Merge branch 'dev' into feat/232-assignments-pagina-ui-ux

Merge dev into feat/232-assignments-pagina-ui-ux

backend/.env.example

@@ -13,7 +13,7 @@
 #DWENGO_LEARNING_CONTENT_REPO_API_BASE_URL=https://dwengo.org/backend/api
 # The default fallback language.
 #DWENGO_FALLBACK_LANGUAGE=nl
-# Whether running in production mode or not. Possible values are "prod" or "dev".
+# Whether running in production mode or not. Possible values are "prod", "staging", "test" or "dev".
 #DWENGO_RUN_MODE=dev
 
 # ! Change this! The hostname or IP address of the database
@@ -66,3 +66,12 @@ DWENGO_AUTH_TEACHER_JWKS_ENDPOINT=http://hostname/realms/teacher/protocol/openid
 # The address of the Loki instance, a log aggregation system.
 # If running your stack in docker, this should use the docker service name.
 #DWENGO_LOGGING_LOKI_HOST=http://localhost:3102
+
+# The hostname or IP address of the caching server, e.g. Memcached.
+# If running your stack in docker, this should use the docker service name.
+#DWENGO_CACHE_HOST=localhost
+#DWENGO_CACHE_PORT=11211
+# The time-to-live (TTL) for cached items in seconds.
+#DWENGO_CACHE_TTL=3600
+# If your cache server benefits from a prefix, you can set it here.
+#DWENGO_CACHE_KEY_PREFIX=dwengo

backend/.env.production.example

@@ -35,3 +35,7 @@ DWENGO_AUTH_TEACHER_JWKS_ENDPOINT=http://idp:7080/idp/realms/teacher/protocol/op
 
 DWENGO_LOGGING_LEVEL=info
 DWENGO_LOGGING_LOKI_HOST=http://logging:3102
+
+DWENGO_CACHE_HOST=caching
+#DWENGO_CACHE_PORT=11211
+DWENGO_CACHE_TTL=604800

backend/.env.staging

@@ -1,4 +1,6 @@
 PORT=3000
+DWENGO_RUN_MODE=staging
+
 DWENGO_DB_HOST=db
 DWENGO_DB_PORT=5432
 DWENGO_DB_USERNAME=postgres
@@ -18,4 +20,8 @@ DWENGO_CORS_ALLOWED_ORIGINS=http://localhost/*,http://idp:7080,https://idp:7080
 
 # Logging and monitoring
 
-LOKI_HOST=http://logging:3102
+DWENGO_LOGGING_LEVEL=debug
+DWENGO_LOGGING_LOKI_HOST=http://logging:3102
+
+DWENGO_CACHE_HOST=caching
+DWENGO_CACHE_TTL=86400

backend/.env.test

@@ -4,6 +4,8 @@
 # Should not need to be modified.
 # See .env.example for more information.
 #
+### Advanced configuration ###
+
 
 ### Dwengo ###
 
@@ -21,3 +23,7 @@ DWENGO_AUTH_TEACHER_CLIENT_ID=dwengo
 DWENGO_AUTH_TEACHER_JWKS_ENDPOINT=http://localhost:7080/realms/teacher/protocol/openid-connect/certs
 
 DWENGO_CORS_ALLOWED_ORIGINS=http://localhost:5173,http://localhost:3000,http://localhost:9876,*
+
+### Advanced configuration ###
+
+DWENGO_LOGGING_LEVEL=debug

backend/Dockerfile

@@ -27,6 +27,13 @@ FROM node:22 AS production-stage
 
 WORKDIR /app/dwengo
 
+COPY package*.json ./
+COPY backend/package.json ./backend/
+# Backend depends on common
+COPY common/package.json ./common/
+
+RUN npm install --silent --only=production
+
 # Copy static files
 
 COPY ./backend/i18n ./i18n
@@ -37,15 +44,6 @@ COPY --from=build-stage /app/dwengo/common/dist ./common/dist
 COPY --from=build-stage /app/dwengo/backend/dist ./backend/dist
 COPY --from=build-stage /app/dwengo/docs/api/swagger.json ./docs/api/swagger.json
 
-COPY package*.json ./
-COPY backend/package.json ./backend/
-# Backend depends on common
-COPY common/package.json ./common/
-
-RUN npm install --silent --only=production
-
-COPY ./backend/i18n ./backend/i18n
-
 EXPOSE 3000
 
 CMD ["node", "--env-file=/app/dwengo/backend/.env", "/app/dwengo/backend/dist/app.js"]

backend/package.json

@@ -38,6 +38,7 @@
         "jwks-rsa": "^3.1.0",
         "loki-logger-ts": "^1.0.2",
         "marked": "^15.0.7",
+        "memjs": "^1.3.2",
         "mime-types": "^3.0.1",
         "nanoid": "^5.1.5",
         "response-time": "^2.3.3",
@@ -53,6 +54,7 @@
         "@types/express": "^5.0.0",
         "@types/express-fileupload": "^1.5.1",
         "@types/js-yaml": "^4.0.9",
+        "@types/memjs": "^1.3.3",
         "@types/mime-types": "^2.1.4",
         "@types/node": "^22.13.4",
         "@types/response-time": "^2.3.8",

backend/src/caching.ts

@@ -0,0 +1,44 @@
+import { getLogger } from './logging/initalize.js';
+import { envVars, getEnvVar } from './util/envVars.js';
+import { Client } from 'memjs';
+
+export type CacheClient = Client;
+
+let cacheClient: CacheClient;
+
+async function initializeClient(): Promise<CacheClient> {
+    if (cacheClient !== undefined) {
+        return cacheClient;
+    }
+
+    const cachingHost = getEnvVar(envVars.CacheHost);
+    const cachingPort = getEnvVar(envVars.CachePort);
+    const cachingUrl = `${cachingHost}:${cachingPort}`;
+
+    if (cachingHost === '') {
+        return cacheClient;
+    }
+
+    cacheClient = Client.create(cachingUrl);
+
+    getLogger().info(`Memcached client initialized at ${cachingUrl}`);
+
+    return cacheClient;
+}
+
+export async function getCacheClient(): Promise<CacheClient> {
+    cacheClient ||= await initializeClient();
+    return cacheClient;
+}
+
+export async function checkCachingHealth(): Promise<boolean> {
+    try {
+        const client = await getCacheClient();
+        await client.set('health', Buffer.from('ok'), { expires: 60 });
+        const reply = await cacheClient.get('health');
+        return reply?.value?.toString() === 'ok';
+    } catch (error) {
+        getLogger().error('Caching Health Check Failed:', error);
+        return false;
+    }
+}

backend/src/logging/initalize.ts

@@ -29,7 +29,8 @@ function initializeLogger(): Logger {
         format: format.combine(format.cli(), format.simple()),
     });
 
-    if (getEnvVar(envVars.RunMode) === 'dev') {
+    const runMode = getEnvVar(envVars.RunMode);
+    if (runMode === 'dev' || runMode.includes('test')) {
         logger = createLogger({
             transports: [consoleTransport],
         });

backend/src/orm.ts

@@ -7,12 +7,17 @@ let orm: MikroORM | undefined;
 export async function initORM(testingMode = false): Promise<MikroORM<IDatabaseDriver, EntityManager>> {
     const logger: Logger = getLogger();
 
-    logger.info('Initializing ORM');
+    const options = config(testingMode);
-    logger.debug('MikroORM config is', config);
+
+    logger.info('MikroORM config is', options);
+
+    logger.info('Initializing ORM');
+    orm = await MikroORM.init(options);
+    logger.info('MikroORM initialized');
 
-    orm = await MikroORM.init(config(testingMode));
     // Update the database scheme if necessary and enabled.
     if (getEnvVar(envVars.DbUpdate)) {
+        logger.info('MikroORM: Updating database schema');
         await orm.schema.updateSchema();
     } else {
         const diff = await orm.schema.getUpdateSchemaSQL();

backend/src/services/learning-objects.ts

@@ -1,5 +1,5 @@
 import { DWENGO_API_BASE } from '../config.js';
-import { fetchWithLogging } from '../util/api-helper.js';
+import { fetchRemote } from '../util/api-helper.js';
 
 import {
     FilteredLearningObject,
@@ -39,10 +39,7 @@ function filterData(data: LearningObjectMetadata, htmlUrl: string): FilteredLear
  */
 export async function getLearningObjectById(hruid: string, language: string): Promise<FilteredLearningObject | null> {
     const metadataUrl = `${DWENGO_API_BASE}/learningObject/getMetadata?hruid=${hruid}&language=${language}`;
-    const metadata = await fetchWithLogging<LearningObjectMetadata>(
+    const metadata = await fetchRemote<LearningObjectMetadata>(metadataUrl, `Metadata for Learning Object HRUID "${hruid}" (language ${language})`);
-        metadataUrl,
-        `Metadata for Learning Object HRUID "${hruid}" (language ${language})`
-    );
 
     if (!metadata) {
         getLogger().error(`⚠️ WARNING: Learning object "${hruid}" not found.`);

backend/src/services/learning-objects/dwengo-api-learning-object-provider.ts

@@ -1,5 +1,5 @@
 import { DWENGO_API_BASE } from '../../config.js';
-import { fetchWithLogging } from '../../util/api-helper.js';
+import { fetchRemote } from '../../util/api-helper.js';
 import dwengoApiLearningPathProvider from '../learning-paths/dwengo-api-learning-path-provider.js';
 import { LearningObjectProvider } from './learning-object-provider.js';
 import { getLogger, Logger } from '../../logging/initalize.js';
@@ -88,7 +88,7 @@ const dwengoApiLearningObjectProvider: LearningObjectProvider = {
      */
     async getLearningObjectById(id: LearningObjectIdentifierDTO): Promise<FilteredLearningObject | null> {
         const metadataUrl = `${DWENGO_API_BASE}/learningObject/getMetadata`;
-        const metadata = await fetchWithLogging<LearningObjectMetadata>(
+        const metadata = await fetchRemote<LearningObjectMetadata>(
             metadataUrl,
             `Metadata for Learning Object HRUID "${id.hruid}" (language ${id.language})`,
             {
@@ -124,7 +124,7 @@ const dwengoApiLearningObjectProvider: LearningObjectProvider = {
      */
     async getLearningObjectHTML(id: LearningObjectIdentifierDTO): Promise<string | null> {
         const htmlUrl = `${DWENGO_API_BASE}/learningObject/getRaw`;
-        const html = await fetchWithLogging<string>(htmlUrl, `Metadata for Learning Object HRUID "${id.hruid}" (language ${id.language})`, {
+        const html = await fetchRemote<string>(htmlUrl, `Metadata for Learning Object HRUID "${id.hruid}" (language ${id.language})`, {
             params: { ...id },
         });
 

backend/src/services/learning-paths/dwengo-api-learning-path-provider.ts

@@ -1,4 +1,4 @@
-import { fetchWithLogging } from '../../util/api-helper.js';
+import { fetchRemote } from '../../util/api-helper.js';
 import { DWENGO_API_BASE } from '../../config.js';
 import { LearningPathProvider } from './learning-path-provider.js';
 import { getLogger, Logger } from '../../logging/initalize.js';
@@ -42,7 +42,7 @@ const dwengoApiLearningPathProvider: LearningPathProvider = {
         const apiUrl = `${DWENGO_API_BASE}/learningPath/getPathsFromIdList`;
         const params = { pathIdList: JSON.stringify({ hruids }), language };
 
-        const learningPaths = await fetchWithLogging<LearningPath[]>(apiUrl, `Learning paths for ${source}`, { params });
+        const learningPaths = await fetchRemote<LearningPath[]>(apiUrl, `Learning paths for ${source}`, { params });
 
         if (!learningPaths || learningPaths.length === 0) {
             logger.warn(`⚠️ WARNING: No learning paths found for ${source}.`);
@@ -66,12 +66,11 @@ const dwengoApiLearningPathProvider: LearningPathProvider = {
         const apiUrl = `${DWENGO_API_BASE}/learningPath/search`;
         const params = { all: query, language };
 
-        const searchResults = await fetchWithLogging<LearningPath[]>(apiUrl, `Search learning paths with query "${query}"`, { params });
+        const searchResults = await fetchRemote<LearningPath[]>(apiUrl, `Search learning paths with query "${query}"`, { params });
 
         if (searchResults) {
             await Promise.all(searchResults?.map(async (it) => addProgressToLearningPath(it, personalizedFor)));
         }
-
         return searchResults ?? [];
     },
 

backend/src/util/api-helper.ts

@@ -1,28 +1,66 @@
 import axios, { AxiosRequestConfig } from 'axios';
 import { getLogger, Logger } from '../logging/initalize.js';
 import { LearningObjectIdentifier } from '../entities/content/learning-object-identifier.js';
+import { getCacheClient } from '../caching.js';
+import { envVars, getEnvVar, getNumericEnvVar } from './envVars.js';
+import { createHash } from 'crypto';
 
+const cacheClient = await getCacheClient();
 const logger: Logger = getLogger();
+const runMode: string = getEnvVar(envVars.RunMode);
+const prefix: string = getEnvVar(envVars.CacheKeyPrefix);
+
+interface Options {
+    params?: Record<string, unknown> | LearningObjectIdentifier;
+    query?: Record<string, unknown>;
+    responseType?: 'json' | 'text';
+}
 
 /**
- * Utility function to fetch data from an API endpoint with error handling.
+ * Utility function to fetch data from an API endpoint with error handling and caching.
  * Logs errors but does NOT throw exceptions to keep the system running.
  *
  * @param url The API endpoint to fetch from.
  * @param description A short description of what is being fetched (for logging).
  * @param options Contains further options such as params (the query params) and responseType (whether the response
  *                should be parsed as JSON ("json") or whether it should be returned as plain text ("text")
+ * @param cacheTTL Time-to-live for the cache in seconds (default: 60 seconds).
  * @returns The response data if successful, or null if an error occurs.
  */
-export async function fetchWithLogging<T>(
+export async function fetchRemote<T>(url: string, description: string, options?: Options, cacheTTL?: number): Promise<T | null> {
-    url: string,
+    if (runMode !== 'dev' && !runMode.includes('test') && cacheClient !== undefined) {
-    description: string,
+        return fetchWithCache<T>(url, description, options, cacheTTL);
-    options?: {
-        params?: Record<string, unknown> | LearningObjectIdentifier;
-        query?: Record<string, unknown>;
-        responseType?: 'json' | 'text';
     }
-): Promise<T | null> {
+
+    getLogger().debug(`🔄 INFO: Bypassing cache for ${description} at "${url}".`);
+    return fetchWithLogging(url, description, options);
+}
+
+async function fetchWithCache<T>(url: string, description: string, options?: Options, cacheTTL?: number): Promise<T | null> {
+    // Combine the URL and parameters to create a unique cache key.
+    // NOTE Using a hash function to keep the key short, since Memcached has a limit on key size
+    const urlWithParams = `${url}${options?.params ? JSON.stringify(options.params) : ''}`;
+    const hashedUrl = createHash('sha256').update(urlWithParams).digest('hex');
+    const key = `${prefix}:${hashedUrl}`;
+
+    const cachedData = await cacheClient.get(key);
+
+    if (cachedData?.value) {
+        logger.debug(`✅ INFO: Cache hit for ${description} at "${url}" (key: "${key}")`);
+        return JSON.parse(cachedData.value.toString()) as T;
+    }
+
+    logger.debug(`🔄 INFO: Cache miss for ${description} at "${url}". Fetching data...`);
+    const response = await fetchWithLogging<T>(url, description, options);
+
+    const ttl = cacheTTL || getNumericEnvVar(envVars.CacheTTL);
+    await cacheClient.set(key, JSON.stringify(response), { expires: ttl });
+    logger.debug(`✅ INFO: Cached response for ${description} at "${url}" for ${ttl} seconds. (key: "${key}")`);
+
+    return response;
+}
+
+async function fetchWithLogging<T>(url: string, description: string, options?: Options): Promise<T | null> {
     try {
         const config: AxiosRequestConfig = options || {};
         const response = await axios.get<T>(url, config);

backend/src/util/envVars.ts

@@ -5,6 +5,7 @@ const STUDENT_IDP_PREFIX = IDP_PREFIX + 'STUDENT_';
 const TEACHER_IDP_PREFIX = IDP_PREFIX + 'TEACHER_';
 const CORS_PREFIX = PREFIX + 'CORS_';
 const LOGGING_PREFIX = PREFIX + 'LOGGING_';
+const CACHE_PREFIX = PREFIX + 'CACHE_';
 
 interface EnvVar {
     key: string;
@@ -39,6 +40,11 @@ export const envVars: Record<string, EnvVar> = {
 
     LogLevel: { key: LOGGING_PREFIX + 'LEVEL', defaultValue: 'info' },
     LokiHost: { key: LOGGING_PREFIX + 'LOKI_HOST', defaultValue: 'http://localhost:3102' },
+
+    CacheHost: { key: CACHE_PREFIX + 'HOST' },
+    CachePort: { key: CACHE_PREFIX + 'PORT', defaultValue: 11211 },
+    CacheTTL: { key: CACHE_PREFIX + 'TTL', defaultValue: 60 * 60 * 24 }, // 24 hours
+    CacheKeyPrefix: { key: CACHE_PREFIX + 'KEY_PREFIX', defaultValue: 'dwengo' },
 } as const;
 
 /**
@@ -56,7 +62,7 @@ export function getEnvVar(envVar: EnvVar): string {
     } else if (envVar.required) {
         throw new Error(`Missing environment variable: ${envVar.key}`);
     } else {
-        return String(envVar.defaultValue) || '';
+        return envVar.defaultValue !== undefined ? String(envVar.defaultValue) || '' : '';
     }
 }
 

backend/tests/controllers/answers.test.ts

@@ -5,6 +5,7 @@ import { Language } from '@dwengo-1/common/util/language';
 import { getAllAnswersHandler, getAnswerHandler, updateAnswerHandler } from '../../src/controllers/answers';
 import { BadRequestException } from '../../src/exceptions/bad-request-exception';
 import { NotFoundException } from '../../src/exceptions/not-found-exception';
+import { getAnswer02 } from '../test_assets/questions/answers.testdata';
 
 describe('Questions controllers', () => {
     let req: Partial<Request>;
@@ -24,9 +25,14 @@ describe('Questions controllers', () => {
     });
 
     it('Get answers list', async () => {
+        const a = getAnswer02();
         req = {
-            params: { hruid: 'id05', version: '1', seq: '2' },
+            params: {
-            query: { lang: Language.English, full: 'true' },
+                hruid: a.toQuestion.learningObjectHruid,
+                version: a.toQuestion.learningObjectVersion.toString(),
+                seq: a.toQuestion.sequenceNumber!.toString(),
+            },
+            query: { lang: a.toQuestion.learningObjectLanguage, full: 'true' },
         };
 
         await getAllAnswersHandler(req as Request, res as Response);
@@ -38,9 +44,15 @@ describe('Questions controllers', () => {
     });
 
     it('Get answer', async () => {
+        const a = getAnswer02();
         req = {
-            params: { hruid: 'id05', version: '1', seq: '2', seqAnswer: '2' },
+            params: {
-            query: { lang: Language.English, full: 'true' },
+                hruid: a.toQuestion.learningObjectHruid,
+                version: a.toQuestion.learningObjectVersion.toString(),
+                seq: a.toQuestion.sequenceNumber!.toString(),
+                seqAnswer: a.sequenceNumber!.toString(),
+            },
+            query: { lang: a.toQuestion.learningObjectLanguage, full: 'true' },
         };
 
         await getAnswerHandler(req as Request, res as Response);
@@ -68,11 +80,19 @@ describe('Questions controllers', () => {
         await expect(async () => getAnswerHandler(req as Request, res as Response)).rejects.toThrow(BadRequestException);
     });
 
-    it('Update question', async () => {
+    it('Update answer', async () => {
-        const newContent = 'updated question';
+        const a = getAnswer02();
+        const q = a.toQuestion;
+
+        const newContent = 'updated answer';
         req = {
-            params: { hruid: 'id05', version: '1', seq: '2', seqAnswer: '2' },
+            params: {
-            query: { lang: Language.English },
+                hruid: q.learningObjectHruid,
+                version: q.learningObjectVersion.toString(),
+                seq: q.sequenceNumber!.toString(),
+                seqAnswer: a.sequenceNumber!.toString(),
+            },
+            query: { lang: q.learningObjectLanguage },
             body: { content: newContent },
         };
 

backend/tests/controllers/questions.test.ts

@@ -5,6 +5,7 @@ import { getAllQuestionsHandler, getQuestionHandler, updateQuestionHandler } fro
 import { Language } from '@dwengo-1/common/util/language';
 import { NotFoundException } from '../../src/exceptions/not-found-exception';
 import { BadRequestException } from '../../src/exceptions/bad-request-exception';
+import { getQuestion01 } from '../test_assets/questions/questions.testdata';
 
 describe('Questions controllers', () => {
     let req: Partial<Request>;
@@ -24,9 +25,10 @@ describe('Questions controllers', () => {
     });
 
     it('Get question list', async () => {
+        const q = getQuestion01();
         req = {
-            params: { hruid: 'id05', version: '1' },
+            params: { hruid: q.learningObjectHruid, version: q.learningObjectVersion.toString() },
-            query: { lang: Language.English, full: 'true' },
+            query: { lang: q.learningObjectLanguage, full: 'true' },
         };
 
         await getAllQuestionsHandler(req as Request, res as Response);
@@ -38,9 +40,10 @@ describe('Questions controllers', () => {
     });
 
     it('Get question', async () => {
+        const q = getQuestion01();
         req = {
-            params: { hruid: 'id05', version: '1', seq: '1' },
+            params: { hruid: q.learningObjectHruid, version: q.learningObjectVersion.toString(), seq: q.sequenceNumber!.toString() },
-            query: { lang: Language.English, full: 'true' },
+            query: { lang: q.learningObjectLanguage, full: 'true' },
         };
 
         await getQuestionHandler(req as Request, res as Response);
@@ -51,8 +54,9 @@ describe('Questions controllers', () => {
     });
 
     it('Get question with fallback sequence number and version', async () => {
+        const q = getQuestion01();
         req = {
-            params: { hruid: 'id05' },
+            params: { hruid: q.learningObjectHruid },
             query: { lang: Language.English, full: 'true' },
         };
 
@@ -99,10 +103,11 @@ describe('Questions controllers', () => {
      */
 
     it('Update question', async () => {
+        const q = getQuestion01();
         const newContent = 'updated question';
         req = {
-            params: { hruid: 'id05', version: '1', seq: '1' },
+            params: { hruid: q.learningObjectHruid, version: q.learningObjectVersion.toString(), seq: q.sequenceNumber!.toString() },
-            query: { lang: Language.English },
+            query: { lang: q.learningObjectLanguage },
             body: { content: newContent },
         };
 

backend/tests/controllers/students.test.ts

@@ -15,13 +15,17 @@ import {
     deleteClassJoinRequestHandler,
     getStudentRequestHandler,
 } from '../../src/controllers/students.js';
-import { TEST_STUDENTS } from '../test_assets/users/students.testdata.js';
+import { getDireStraits, getNoordkaap, getTheDoors, TEST_STUDENTS } from '../test_assets/users/students.testdata.js';
 import { NotFoundException } from '../../src/exceptions/not-found-exception.js';
 import { BadRequestException } from '../../src/exceptions/bad-request-exception.js';
 import { ConflictException } from '../../src/exceptions/conflict-exception.js';
 import { EntityAlreadyExistsException } from '../../src/exceptions/entity-already-exists-exception.js';
 import { StudentDTO } from '@dwengo-1/common/interfaces/student';
-import { getClass02 } from '../test_assets/classes/classes.testdata';
+import { getClass02 } from '../test_assets/classes/classes.testdata.js';
+import { getClassJoinRequest02 } from '../test_assets/classes/class-join-requests.testdata.js';
+import { getTestGroup01 } from '../test_assets/assignments/groups.testdata.js';
+import { getSubmission01 } from '../test_assets/assignments/submission.testdata.js';
+import { getQuestion01 } from '../test_assets/questions/questions.testdata.js';
 
 describe('Student controllers', () => {
     let req: Partial<Request>;
@@ -41,7 +45,8 @@ describe('Student controllers', () => {
     });
 
     it('Get student', async () => {
-        req = { params: { username: 'DireStraits' } };
+        const student = getDireStraits();
+        req = { params: { username: student.username } };
 
         await getStudentHandler(req as Request, res as Response);
 
@@ -83,11 +88,12 @@ describe('Student controllers', () => {
     });
 
     it('Create duplicate student', async () => {
+        const student = getDireStraits();
         req = {
             body: {
-                username: 'DireStraits',
+                username: student.username,
-                firstName: 'dupe',
+                firstName: student.firstName,
-                lastName: 'dupe',
+                lastName: student.lastName,
             },
         };
 
@@ -111,14 +117,17 @@ describe('Student controllers', () => {
 
         // Check is DireStraits is part of the student list
         const studentUsernames = result.students.map((s: StudentDTO) => s.username);
-        expect(studentUsernames).toContain('DireStraits');
+
+        expect(studentUsernames).toContain(TEST_STUDENTS[0].username);
 
         // Check length, +1 because of create
         expect(result.students).toHaveLength(TEST_STUDENTS.length);
     });
 
     it('Student classes', async () => {
-        req = { params: { username: 'DireStraits' }, query: {} };
+        const class_ = getClass02();
+        const member = class_.students[0];
+        req = { params: { username: member.username }, query: {} };
 
         await getStudentClassesHandler(req as Request, res as Response);
 
@@ -129,7 +138,9 @@ describe('Student controllers', () => {
     });
 
     it('Student groups', async () => {
-        req = { params: { username: 'DireStraits' }, query: {} };
+        const group = getTestGroup01();
+        const member = group.members[0];
+        req = { params: { username: member.username }, query: {} };
 
         await getStudentGroupsHandler(req as Request, res as Response);
 
@@ -140,7 +151,8 @@ describe('Student controllers', () => {
     });
 
     it('Student submissions', async () => {
-        req = { params: { username: 'DireStraits' }, query: { full: 'true' } };
+        const submission = getSubmission01();
+        req = { params: { username: submission.submitter.username }, query: { full: 'true' } };
 
         await getStudentSubmissionsHandler(req as Request, res as Response);
 
@@ -151,7 +163,8 @@ describe('Student controllers', () => {
     });
 
     it('Student questions', async () => {
-        req = { params: { username: 'DireStraits' }, query: { full: 'true' } };
+        const question = getQuestion01();
+        req = { params: { username: question.author.username }, query: { full: 'true' } };
 
         await getStudentQuestionsHandler(req as Request, res as Response);
 
@@ -168,8 +181,9 @@ describe('Student controllers', () => {
     });
 
     it('Get join requests by student', async () => {
+        const jr = getClassJoinRequest02();
         req = {
-            params: { username: 'PinkFloyd' },
+            params: { username: jr.requester.username },
         };
 
         await getStudentRequestsHandler(req as Request, res as Response);
@@ -186,8 +200,9 @@ describe('Student controllers', () => {
     });
 
     it('Get join request by student and class', async () => {
+        const jr = getClassJoinRequest02();
         req = {
-            params: { username: 'PinkFloyd', classId: getClass02().classId },
+            params: { username: jr.requester.username, classId: jr.class.classId! },
         };
 
         await getStudentRequestHandler(req as Request, res as Response);
@@ -200,9 +215,11 @@ describe('Student controllers', () => {
     });
 
     it('Create and delete join request', async () => {
+        const student = getTheDoors();
+        const class_ = getClass02();
         req = {
-            params: { username: 'TheDoors' },
+            params: { username: student.username },
-            body: { classId: getClass02().classId },
+            body: { classId: class_.classId! },
         };
 
         await createStudentRequestHandler(req as Request, res as Response);
@@ -210,7 +227,7 @@ describe('Student controllers', () => {
         expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ request: expect.anything() }));
 
         req = {
-            params: { username: 'TheDoors', classId: getClass02().classId },
+            params: { username: student.username, classId: class_.classId! },
         };
 
         await deleteClassJoinRequestHandler(req as Request, res as Response);
@@ -221,18 +238,21 @@ describe('Student controllers', () => {
     });
 
     it('Create join request student already in class error', async () => {
+        const student = getNoordkaap();
+        const class_ = getClass02();
         req = {
-            params: { username: 'Noordkaap' },
+            params: { username: student.username },
-            body: { classId: getClass02().classId },
+            body: { classId: class_.classId! },
         };
 
         await expect(async () => createStudentRequestHandler(req as Request, res as Response)).rejects.toThrow(ConflictException);
     });
 
     it('Create join request duplicate', async () => {
+        const jr = getClassJoinRequest02();
         req = {
-            params: { username: 'Tool' },
+            params: { username: jr.requester.username },
-            body: { classId: getClass02().classId },
+            body: { classId: jr.class.classId! },
         };
 
         await expect(async () => createStudentRequestHandler(req as Request, res as Response)).rejects.toThrow(ConflictException);

backend/tests/controllers/teacher-invitations.test.ts

@@ -12,7 +12,9 @@ import { TeacherInvitationData } from '@dwengo-1/common/interfaces/teacher-invit
 import { getClassHandler } from '../../src/controllers/classes';
 import { BadRequestException } from '../../src/exceptions/bad-request-exception';
 import { ClassStatus } from '@dwengo-1/common/util/class-join-request';
-import { getClass02 } from '../test_assets/classes/classes.testdata';
+import { getTeacherInvitation01 } from '../test_assets/classes/teacher-invitations.testdata.js';
+import { getLimpBizkit, getTestleerkracht1 } from '../test_assets/users/teachers.testdata.js';
+import { getClass02 } from '../test_assets/classes/classes.testdata.js';
 
 describe('Teacher controllers', () => {
     let req: Partial<Request>;
@@ -32,7 +34,8 @@ describe('Teacher controllers', () => {
     });
 
     it('Get teacher invitations by', async () => {
-        req = { params: { username: 'LimpBizkit' }, query: { sent: 'true' } };
+        const ti = getTeacherInvitation01();
+        req = { params: { username: ti.sender.username }, query: { sent: 'true' } };
 
         await getAllInvitationsHandler(req as Request, res as Response);
 
@@ -44,7 +47,8 @@ describe('Teacher controllers', () => {
     });
 
     it('Get teacher invitations for', async () => {
-        req = { params: { username: 'FooFighters' }, query: { by: 'false' } };
+        const ti = getTeacherInvitation01();
+        req = { params: { username: ti.receiver.username }, query: { by: 'false' } };
 
         await getAllInvitationsHandler(req as Request, res as Response);
 
@@ -55,10 +59,13 @@ describe('Teacher controllers', () => {
     });
 
     it('Create and delete invitation', async () => {
+        const sender = getLimpBizkit();
+        const receiver = getTestleerkracht1();
+        const class_ = getClass02();
         const body = {
-            sender: 'LimpBizkit',
+            sender: sender.username,
-            receiver: 'testleerkracht1',
+            receiver: receiver.username,
-            class: getClass02().classId,
+            class: class_.classId,
         } as TeacherInvitationData;
         req = { body };
 
@@ -66,9 +73,9 @@ describe('Teacher controllers', () => {
 
         req = {
             params: {
-                sender: 'LimpBizkit',
+                sender: sender.username,
-                receiver: 'testleerkracht1',
+                receiver: receiver.username,
-                classId: getClass02().classId,
+                classId: class_.classId!,
             },
             body: { accepted: 'false' },
         };
@@ -77,11 +84,12 @@ describe('Teacher controllers', () => {
     });
 
     it('Get invitation', async () => {
+        const ti = getTeacherInvitation01();
         req = {
             params: {
-                sender: 'LimpBizkit',
+                sender: ti.sender.username,
-                receiver: 'FooFighters',
+                receiver: ti.receiver.username,
-                classId: getClass02().classId,
+                classId: ti.class.classId!,
             },
         };
         await getInvitationHandler(req as Request, res as Response);
@@ -98,10 +106,11 @@ describe('Teacher controllers', () => {
     });
 
     it('Accept invitation', async () => {
+        const ti = getTeacherInvitation01();
         const body = {
-            sender: 'LimpBizkit',
+            sender: ti.sender.username,
-            receiver: 'FooFighters',
+            receiver: ti.receiver.username,
-            class: getClass02().classId,
+            class: ti.class.classId,
         } as TeacherInvitationData;
         req = { body };
 
@@ -112,13 +121,13 @@ describe('Teacher controllers', () => {
 
         req = {
             params: {
-                id: getClass02().classId,
+                id: ti.class.classId!,
             },
         };
 
         await getClassHandler(req as Request, res as Response);
 
         const result = jsonMock.mock.lastCall?.[0];
-        expect(result.class.teachers).toContain('FooFighters');
+        expect(result.class.teachers).toContain(ti.receiver.username);
     });
 });

backend/tests/controllers/teachers.test.ts

@@ -16,7 +16,9 @@ import { BadRequestException } from '../../src/exceptions/bad-request-exception.
 import { EntityAlreadyExistsException } from '../../src/exceptions/entity-already-exists-exception.js';
 import { getStudentRequestsHandler } from '../../src/controllers/students.js';
 import { getClassHandler } from '../../src/controllers/classes';
-import { getClass02 } from '../test_assets/classes/classes.testdata';
+import { getFooFighters, getTestleerkracht1 } from '../test_assets/users/teachers.testdata.js';
+import { getClass02 } from '../test_assets/classes/classes.testdata.js';
+import { getClassJoinRequest01 } from '../test_assets/classes/class-join-requests.testdata.js';
 
 describe('Teacher controllers', () => {
     let req: Partial<Request>;
@@ -36,7 +38,8 @@ describe('Teacher controllers', () => {
     });
 
     it('Get teacher', async () => {
-        req = { params: { username: 'FooFighters' } };
+        const teacher = getFooFighters();
+        req = { params: { username: teacher.username } };
 
         await getTeacherHandler(req as Request, res as Response);
 
@@ -77,12 +80,13 @@ describe('Teacher controllers', () => {
         expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ teacher: expect.objectContaining(teacher) }));
     });
 
-    it('Create duplicate student', async () => {
+    it('Create duplicate teacher', async () => {
+        const teacher = getFooFighters();
         req = {
             body: {
-                username: 'FooFighters',
+                username: teacher.username,
-                firstName: 'Dave',
+                firstName: teacher.firstName,
-                lastName: 'Grohl',
+                lastName: teacher.lastName,
             },
         };
 
@@ -104,20 +108,22 @@ describe('Teacher controllers', () => {
 
         const result = jsonMock.mock.lastCall?.[0];
 
-        expect(result.teachers).toContain('testleerkracht1');
+        const teacher = getTestleerkracht1();
+        expect(result.teachers).toContain(teacher.username);
 
-        expect(result.teachers).toHaveLength(5);
+        expect(result.teachers.length).toBeGreaterThan(0);
     });
 
-    it('Deleting non-existent student', async () => {
+    it('Deleting non-existent teacher', async () => {
         req = { params: { username: 'doesnotexist' } };
 
         await expect(async () => deleteTeacherHandler(req as Request, res as Response)).rejects.toThrow(NotFoundException);
     });
 
     it('Get teacher classes', async () => {
+        const class_ = getClass02();
         req = {
-            params: { username: 'testleerkracht1' },
+            params: { username: class_.teachers[0].username },
             query: { full: 'true' },
         };
 
@@ -130,9 +136,10 @@ describe('Teacher controllers', () => {
         expect(result.classes.length).toBeGreaterThan(0);
     });
 
-    it('Get teacher students', async () => {
+    it('Get teacher teachers', async () => {
+        const teacher = getTestleerkracht1();
         req = {
-            params: { username: 'testleerkracht1' },
+            params: { username: teacher.username },
             query: { full: 'true' },
         };
 
@@ -145,30 +152,10 @@ describe('Teacher controllers', () => {
         expect(result.students.length).toBeGreaterThan(0);
     });
 
-    /*
-
-    It('Get teacher questions', async () => {
-        req = {
-            params: { username: 'FooFighters' },
-            query: { full: 'true' },
-        };
-
-        await getTeacherQuestionHandler(req as Request, res as Response);
-
-        expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ questions: expect.anything() }));
-
-        const result = jsonMock.mock.lastCall?.[0];
-        // console.log('[TEACHER QUESTIONS]', result.questions);
-        expect(result.questions.length).toBeGreaterThan(0);
-
-        // TODO fix
-    });
-
-     */
-
     it('Get join requests by class', async () => {
+        const jr = getClassJoinRequest01();
         req = {
-            params: { classId: getClass02().classId },
+            params: { classId: jr.class.classId! },
         };
 
         await getStudentJoinRequestHandler(req as Request, res as Response);
@@ -181,8 +168,9 @@ describe('Teacher controllers', () => {
     });
 
     it('Update join request status', async () => {
+        const jr = getClassJoinRequest01();
         req = {
-            params: { classId: getClass02().classId, studentUsername: 'PinkFloyd' },
+            params: { classId: jr.class.classId!, studentUsername: jr.requester.username },
             body: { accepted: 'true' },
         };
 
@@ -191,7 +179,7 @@ describe('Teacher controllers', () => {
         expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ request: expect.anything() }));
 
         req = {
-            params: { username: 'PinkFloyd' },
+            params: { username: jr.requester.username },
         };
 
         await getStudentRequestsHandler(req as Request, res as Response);
@@ -200,11 +188,11 @@ describe('Teacher controllers', () => {
         expect(status).toBeTruthy();
 
         req = {
-            params: { id: getClass02().classId },
+            params: { id: jr.class.classId! },
         };
 
         await getClassHandler(req as Request, res as Response);
         const students: string[] = jsonMock.mock.lastCall?.[0].class.students;
-        expect(students).contains('PinkFloyd');
+        expect(students).contains(jr.requester.username);
     });
 });

backend/tests/data/assignments/assignments.test.ts

@@ -1,49 +1,60 @@
 import { beforeAll, describe, expect, it } from 'vitest';
 import { setupTestApp } from '../../setup-tests';
 import { AssignmentRepository } from '../../../src/data/assignments/assignment-repository';
-import { getAssignmentRepository, getClassRepository } from '../../../src/data/repositories';
+import { getAssignmentRepository } from '../../../src/data/repositories';
-import { ClassRepository } from '../../../src/data/classes/class-repository';
 import { getClass02 } from '../../test_assets/classes/classes.testdata';
+import { getAssignment02, getAssignment03 } from '../../test_assets/assignments/assignments.testdata';
+import { getTestleerkracht1 } from '../../test_assets/users/teachers.testdata';
 
 describe('AssignmentRepository', () => {
     let assignmentRepository: AssignmentRepository;
-    let classRepository: ClassRepository;
 
     beforeAll(async () => {
         await setupTestApp();
         assignmentRepository = getAssignmentRepository();
-        classRepository = getClassRepository();
     });
 
     it('should return the requested assignment', async () => {
-        const class_ = await classRepository.findById(getClass02().classId);
+        const class_ = getClass02();
-        const assignment = await assignmentRepository.findByClassAndId(class_!, 21001);
+        const usedAssignment = getAssignment02();
+        const assignment = await assignmentRepository.findByClassAndId(class_, 21001);
 
         expect(assignment).toBeTruthy();
-        expect(assignment!.title).toBe('tool');
+        expect(assignment!.description).toBe(usedAssignment.description);
+        expect(assignment!.id).toBe(usedAssignment.id);
+        expect(assignment!.learningPathHruid).toBe(usedAssignment.learningPathHruid);
+        expect(assignment!.within.classId).toBe(usedAssignment.within.classId);
+        expect(assignment!.title).toBe(usedAssignment.title);
     });
 
     it('should return all assignments for a class', async () => {
-        const class_ = await classRepository.findById(getClass02().classId);
+        const class_ = getClass02();
-        const assignments = await assignmentRepository.findAllAssignmentsInClass(class_!);
+        const usedAssignment = getAssignment02();
+        const assignments = await assignmentRepository.findAllAssignmentsInClass(class_);
 
         expect(assignments).toBeTruthy();
         expect(assignments).toHaveLength(1);
-        expect(assignments[0].title).toBe('tool');
+        const assignment = assignments[0];
+        expect(assignment.description).toBe(usedAssignment.description);
+        expect(assignment.id).toBe(usedAssignment.id);
+        expect(assignment.learningPathHruid).toBe(usedAssignment.learningPathHruid);
+        expect(assignment.within.classId).toBe(usedAssignment.within.classId);
+        expect(assignment.title).toBe(usedAssignment.title);
     });
 
     it('should find all by username of the responsible teacher', async () => {
-        const result = await assignmentRepository.findAllByResponsibleTeacher('testleerkracht1');
+        const teacher = getTestleerkracht1();
+        const result = await assignmentRepository.findAllByResponsibleTeacher(teacher.username);
         const resultIds = result.map((it) => it.id).sort((a, b) => (a ?? 0) - (b ?? 0));
 
         expect(resultIds).toEqual([21000, 21002, 21003, 21004]);
     });
 
     it('should not find removed assignment', async () => {
-        const class_ = await classRepository.findById('id01');
+        const deleted = getAssignment03();
-        await assignmentRepository.deleteByClassAndId(class_!, 3);
+        await assignmentRepository.deleteByClassAndId(deleted.within, deleted.id!);
 
-        const assignment = await assignmentRepository.findByClassAndId(class_!, 3);
+        const assignment = await assignmentRepository.findByClassAndId(deleted.within, deleted.id!);
 
         expect(assignment).toBeNull();
     });

backend/tests/data/assignments/groups.test.ts

@@ -1,50 +1,56 @@
 import { beforeAll, describe, expect, it } from 'vitest';
 import { setupTestApp } from '../../setup-tests';
 import { GroupRepository } from '../../../src/data/assignments/group-repository';
-import { getAssignmentRepository, getClassRepository, getGroupRepository } from '../../../src/data/repositories';
+import { getGroupRepository } from '../../../src/data/repositories';
-import { AssignmentRepository } from '../../../src/data/assignments/assignment-repository';
+import { getAssignment01, getAssignment02 } from '../../test_assets/assignments/assignments.testdata';
-import { ClassRepository } from '../../../src/data/classes/class-repository';
+import { getTestGroup01, getTestGroup02, getTestGroup03 } from '../../test_assets/assignments/groups.testdata';
-import { getClass01, getClass02 } from '../../test_assets/classes/classes.testdata';
+import { getDireStraits, getNoordkaap } from '../../test_assets/users/students.testdata';
 
 describe('GroupRepository', () => {
     let groupRepository: GroupRepository;
-    let assignmentRepository: AssignmentRepository;
-    let classRepository: ClassRepository;
 
     beforeAll(async () => {
         await setupTestApp();
         groupRepository = getGroupRepository();
-        assignmentRepository = getAssignmentRepository();
-        classRepository = getClassRepository();
     });
 
     it('should return the requested group', async () => {
-        const id = getClass01().classId;
+        const assignment = getAssignment01();
-        const class_ = await classRepository.findById(id);
+        const usedGroup = getTestGroup01();
-        const assignment = await assignmentRepository.findByClassAndId(class_!, 21000);
+        const member1 = getNoordkaap();
+        const member2 = getDireStraits();
 
-        const group = await groupRepository.findByAssignmentAndGroupNumber(assignment!, 21001);
+        const group = await groupRepository.findByAssignmentAndGroupNumber(assignment, usedGroup.groupNumber!);
 
         expect(group).toBeTruthy();
+        expect(group?.groupNumber).toBe(usedGroup.groupNumber);
+        expect(group!.members[0].username).toBeOneOf([member1.username, member2.username]);
+        expect(group!.members[1].username).toBeOneOf([member1.username, member2.username]);
+        expect(group!.assignment.id).toBe(usedGroup.assignment.id);
     });
 
     it('should return all groups for assignment', async () => {
-        const class_ = await classRepository.findById(getClass01().classId);
+        const assignment = getAssignment01();
-        const assignment = await assignmentRepository.findByClassAndId(class_!, 21000);
+        const gr1 = getTestGroup01();
+        const gr2 = getTestGroup02();
+        const gr3 = getTestGroup03();
 
-        const groups = await groupRepository.findAllGroupsForAssignment(assignment!);
+        const groups = await groupRepository.findAllGroupsForAssignment(assignment);
 
         expect(groups).toBeTruthy();
         expect(groups).toHaveLength(3);
+        expect(groups[0].groupNumber).toBeOneOf([gr1.groupNumber, gr2.groupNumber, gr3.groupNumber]);
+        expect(groups[1].groupNumber).toBeOneOf([gr1.groupNumber, gr2.groupNumber, gr3.groupNumber]);
+        expect(groups[2].groupNumber).toBeOneOf([gr1.groupNumber, gr2.groupNumber, gr3.groupNumber]);
     });
 
     it('should not find removed group', async () => {
-        const class_ = await classRepository.findById(getClass02().classId);
+        const assignment = getAssignment02();
-        const assignment = await assignmentRepository.findByClassAndId(class_!, 21001);
+        const deleted = getTestGroup01();
 
-        await groupRepository.deleteByAssignmentAndGroupNumber(assignment!, 21001);
+        await groupRepository.deleteByAssignmentAndGroupNumber(assignment, deleted.groupNumber!);
 
-        const group = await groupRepository.findByAssignmentAndGroupNumber(assignment!, 1);
+        const group = await groupRepository.findByAssignmentAndGroupNumber(assignment, deleted.groupNumber!);
 
         expect(group).toBeNull();
     });

backend/tests/data/assignments/submissions.test.ts

@@ -1,81 +1,75 @@
 import { beforeAll, describe, expect, it } from 'vitest';
 import { setupTestApp } from '../../setup-tests';
 import { SubmissionRepository } from '../../../src/data/assignments/submission-repository';
-import {
+import { getSubmissionRepository } from '../../../src/data/repositories';
-    getAssignmentRepository,
-    getClassRepository,
-    getGroupRepository,
-    getStudentRepository,
-    getSubmissionRepository,
-} from '../../../src/data/repositories';
 import { LearningObjectIdentifier } from '../../../src/entities/content/learning-object-identifier';
-import { Language } from '@dwengo-1/common/util/language';
-import { StudentRepository } from '../../../src/data/users/student-repository';
-import { GroupRepository } from '../../../src/data/assignments/group-repository';
-import { AssignmentRepository } from '../../../src/data/assignments/assignment-repository';
-import { ClassRepository } from '../../../src/data/classes/class-repository';
 import { Submission } from '../../../src/entities/assignments/submission.entity';
-import { Class } from '../../../src/entities/classes/class.entity';
-import { Assignment } from '../../../src/entities/assignments/assignment.entity';
 import { testLearningObject01 } from '../../test_assets/content/learning-objects.testdata';
-import { getClass01 } from '../../test_assets/classes/classes.testdata';
+import { getSubmission01, getSubmission02, getSubmission07, getSubmission08 } from '../../test_assets/assignments/submission.testdata';
+import { getAssignment01 } from '../../test_assets/assignments/assignments.testdata';
+import { getTestGroup02 } from '../../test_assets/assignments/groups.testdata';
 
 describe('SubmissionRepository', () => {
     let submissionRepository: SubmissionRepository;
-    let studentRepository: StudentRepository;
-    let groupRepository: GroupRepository;
-    let assignmentRepository: AssignmentRepository;
-    let classRepository: ClassRepository;
 
     beforeAll(async () => {
         await setupTestApp();
         submissionRepository = getSubmissionRepository();
-        studentRepository = getStudentRepository();
-        groupRepository = getGroupRepository();
-        assignmentRepository = getAssignmentRepository();
-        classRepository = getClassRepository();
     });
 
     it('should find the requested submission', async () => {
-        const id = new LearningObjectIdentifier('id03', Language.English, 1);
+        const usedSubmission = getSubmission01();
-        const submission = await submissionRepository.findSubmissionByLearningObjectAndSubmissionNumber(id, 1);
+        const id = new LearningObjectIdentifier(
+            usedSubmission.learningObjectHruid,
+            usedSubmission.learningObjectLanguage,
+            usedSubmission.learningObjectVersion
+        );
+        const submission = await submissionRepository.findSubmissionByLearningObjectAndSubmissionNumber(id, usedSubmission.submissionNumber!);
 
         expect(submission).toBeTruthy();
-        expect(submission?.content).toBe('sub1');
+        expect(submission?.content).toBe(usedSubmission.content);
+        expect(submission?.submissionNumber).toBe(usedSubmission.submissionNumber);
+        expect(submission?.submitter.username).toBe(usedSubmission.submitter.username);
     });
 
     it('should find the most recent submission for a student', async () => {
-        const id = new LearningObjectIdentifier('id02', Language.English, 1);
+        const usedSubmission = getSubmission02();
-        const student = await studentRepository.findByUsername('Noordkaap');
+        const id = new LearningObjectIdentifier(
-        const submission = await submissionRepository.findMostRecentSubmissionForStudent(id, student!);
+            usedSubmission.learningObjectHruid,
+            usedSubmission.learningObjectLanguage,
+            usedSubmission.learningObjectVersion
+        );
+
+        const submission = await submissionRepository.findMostRecentSubmissionForStudent(id, usedSubmission.submitter);
 
         expect(submission).toBeTruthy();
-        expect(submission?.submissionTime.getDate()).toBe(25);
+        expect(submission?.submissionTime).toStrictEqual(usedSubmission.submissionTime);
     });
 
     it('should find the most recent submission for a group', async () => {
-        const id = new LearningObjectIdentifier('id03', Language.English, 1);
+        const usedSubmission = getSubmission02();
-        const class_ = await classRepository.findById(getClass01().classId);
+        const id = new LearningObjectIdentifier(
-        const assignment = await assignmentRepository.findByClassAndId(class_!, 21000);
+            usedSubmission.learningObjectHruid,
-        const group = await groupRepository.findByAssignmentAndGroupNumber(assignment!, 21001);
+            usedSubmission.learningObjectLanguage,
-        const submission = await submissionRepository.findMostRecentSubmissionForGroup(id, group!);
+            usedSubmission.learningObjectVersion
+        );
+
+        const submission = await submissionRepository.findMostRecentSubmissionForGroup(id, usedSubmission.onBehalfOf);
 
         expect(submission).toBeTruthy();
-        expect(submission?.submissionTime.getDate()).toBe(25);
+        expect(submission?.submissionTime).toStrictEqual(usedSubmission.submissionTime);
     });
 
-    let clazz: Class | null;
-    let assignment: Assignment | null;
-    let loId: LearningObjectIdentifier;
     it('should find all submissions for a certain learning object and assignment', async () => {
-        clazz = await classRepository.findById(getClass01().classId);
+        const usedSubmission = getSubmission08();
-        assignment = await assignmentRepository.findByClassAndId(clazz!, 21000);
+        const assignment = getAssignment01();
-        loId = {
+
-            hruid: 'id02',
+        const loId = {
-            language: Language.English,
+            hruid: usedSubmission.learningObjectHruid,
-            version: 1,
+            language: usedSubmission.learningObjectLanguage,
+            version: usedSubmission.learningObjectVersion,
         };
-        const result = await submissionRepository.findAllSubmissionsForLearningObjectAndAssignment(loId, assignment!);
+        const result = await submissionRepository.findAllSubmissionsForLearningObjectAndAssignment(loId, assignment);
         sortSubmissions(result);
 
         expect(result).toHaveLength(3);
@@ -94,8 +88,15 @@ describe('SubmissionRepository', () => {
     });
 
     it('should find only the submissions for a certain learning object and assignment made for the given group', async () => {
-        const group = await groupRepository.findByAssignmentAndGroupNumber(assignment!, 21002);
+        const group = getTestGroup02();
-        const result = await submissionRepository.findAllSubmissionsForLearningObjectAndGroup(loId, group!);
+        const usedSubmission = getSubmission08();
+        const loId = {
+            hruid: usedSubmission.learningObjectHruid,
+            language: usedSubmission.learningObjectLanguage,
+            version: usedSubmission.learningObjectVersion,
+        };
+
+        const result = await submissionRepository.findAllSubmissionsForLearningObjectAndGroup(loId, group);
 
         expect(result).toHaveLength(1);
 
@@ -108,10 +109,11 @@ describe('SubmissionRepository', () => {
     });
 
     it('should not find a deleted submission', async () => {
+        const usedSubmission = getSubmission07();
         const id = new LearningObjectIdentifier(testLearningObject01.hruid, testLearningObject01.language, testLearningObject01.version);
-        await submissionRepository.deleteSubmissionByLearningObjectAndSubmissionNumber(id, 1);
+        await submissionRepository.deleteSubmissionByLearningObjectAndSubmissionNumber(id, usedSubmission.submissionNumber!);
 
-        const submission = await submissionRepository.findSubmissionByLearningObjectAndSubmissionNumber(id, 1);
+        const submission = await submissionRepository.findSubmissionByLearningObjectAndSubmissionNumber(id, usedSubmission.submissionNumber!);
 
         expect(submission).toBeNull();
     });

backend/tests/data/classes/class-join-request.test.ts

@@ -1,45 +1,49 @@
 import { beforeAll, describe, expect, it } from 'vitest';
 import { setupTestApp } from '../../setup-tests';
 import { ClassJoinRequestRepository } from '../../../src/data/classes/class-join-request-repository';
-import { getClassJoinRequestRepository, getClassRepository, getStudentRepository } from '../../../src/data/repositories';
+import { getClassJoinRequestRepository } from '../../../src/data/repositories';
-import { StudentRepository } from '../../../src/data/users/student-repository';
+import { getPinkFloyd, getSmashingPumpkins } from '../../test_assets/users/students.testdata';
-import { ClassRepository } from '../../../src/data/classes/class-repository';
 import { getClass02, getClass03 } from '../../test_assets/classes/classes.testdata';
+import { getClassJoinRequest01, getClassJoinRequest02, getClassJoinRequest03 } from '../../test_assets/classes/class-join-requests.testdata';
 
 describe('ClassJoinRequestRepository', () => {
     let classJoinRequestRepository: ClassJoinRequestRepository;
-    let studentRepository: StudentRepository;
-    let cassRepository: ClassRepository;
 
     beforeAll(async () => {
         await setupTestApp();
         classJoinRequestRepository = getClassJoinRequestRepository();
-        studentRepository = getStudentRepository();
-        cassRepository = getClassRepository();
     });
 
     it('should list all requests from student to join classes', async () => {
-        const student = await studentRepository.findByUsername('PinkFloyd');
+        const studentUsed = getPinkFloyd();
-        const requests = await classJoinRequestRepository.findAllRequestsBy(student!);
+        const jr1 = getClassJoinRequest01();
+        const jr2 = getClassJoinRequest03();
+        const requests = await classJoinRequestRepository.findAllRequestsBy(studentUsed);
 
         expect(requests).toBeTruthy();
         expect(requests).toHaveLength(2);
+        expect(requests[0].class.classId!).toBeOneOf([jr1.class.classId!, jr2.class.classId!]);
+        expect(requests[1].class.classId!).toBeOneOf([jr1.class.classId!, jr2.class.classId!]);
     });
 
     it('should list all requests to a single class', async () => {
-        const class_ = await cassRepository.findById(getClass02().classId);
+        const class_ = getClass02();
-        const requests = await classJoinRequestRepository.findAllOpenRequestsTo(class_!);
+        const jr1 = getClassJoinRequest01();
+        const jr2 = getClassJoinRequest02();
+        const requests = await classJoinRequestRepository.findAllOpenRequestsTo(class_);
 
         expect(requests).toBeTruthy();
         expect(requests).toHaveLength(2);
+        expect(requests[0].class.classId).toBeOneOf([jr1.class.classId, jr2.class.classId]);
+        expect(requests[1].class.classId).toBeOneOf([jr1.class.classId, jr2.class.classId]);
     });
 
     it('should not find a removed request', async () => {
-        const student = await studentRepository.findByUsername('SmashingPumpkins');
+        const studentUsed = getSmashingPumpkins();
-        const class_ = await cassRepository.findById(getClass03().classId);
+        const class_ = getClass03();
-        await classJoinRequestRepository.deleteBy(student!, class_!);
+        await classJoinRequestRepository.deleteBy(studentUsed, class_);
 
-        const request = await classJoinRequestRepository.findAllRequestsBy(student!);
+        const request = await classJoinRequestRepository.findAllRequestsBy(studentUsed);
 
         expect(request).toHaveLength(0);
     });

backend/tests/data/classes/classes.test.ts

@@ -3,6 +3,7 @@ import { ClassRepository } from '../../../src/data/classes/class-repository';
 import { setupTestApp } from '../../setup-tests';
 import { getClassRepository } from '../../../src/data/repositories';
 import { getClass01, getClass04 } from '../../test_assets/classes/classes.testdata';
+import { getClass01, getClass04 } from '../../test_assets/classes/classes.testdata';
 
 describe('ClassRepository', () => {
     let classRepository: ClassRepository;
@@ -19,16 +20,18 @@ describe('ClassRepository', () => {
     });
 
     it('should return requested class', async () => {
-        const classVar = await classRepository.findById(getClass01().classId);
+        const expected = getClass01();
+        const classVar = await classRepository.findById(expected.classId!);
 
         expect(classVar).toBeTruthy();
-        expect(classVar?.displayName).toBe('class01');
+        expect(classVar?.displayName).toBe(expected.displayName);
     });
 
     it('class should be gone after deletion', async () => {
-        await classRepository.deleteById(getClass04().classId);
+        const deleted = getClass04();
+        await classRepository.deleteById(deleted.classId!);
 
-        const classVar = await classRepository.findById(getClass04().classId);
+        const classVar = await classRepository.findById(deleted.classId!);
 
         expect(classVar).toBeNull();
     });

backend/tests/data/classes/teacher-invitation.test.ts

@@ -1,54 +1,62 @@
 import { beforeAll, describe, expect, it } from 'vitest';
 import { setupTestApp } from '../../setup-tests';
-import { getClassRepository, getTeacherInvitationRepository, getTeacherRepository } from '../../../src/data/repositories';
+import { getTeacherInvitationRepository } from '../../../src/data/repositories';
 import { TeacherInvitationRepository } from '../../../src/data/classes/teacher-invitation-repository';
-import { TeacherRepository } from '../../../src/data/users/teacher-repository';
+import { getFooFighters, getLimpBizkit } from '../../test_assets/users/teachers.testdata';
-import { ClassRepository } from '../../../src/data/classes/class-repository';
+import { getTeacherInvitation01, getTeacherInvitation02, getTeacherInvitation03 } from '../../test_assets/classes/teacher-invitations.testdata';
 import { getClass01, getClass02 } from '../../test_assets/classes/classes.testdata';
 
 describe('ClassRepository', () => {
     let teacherInvitationRepository: TeacherInvitationRepository;
-    let teacherRepository: TeacherRepository;
-    let classRepository: ClassRepository;
 
     beforeAll(async () => {
         await setupTestApp();
         teacherInvitationRepository = getTeacherInvitationRepository();
-        teacherRepository = getTeacherRepository();
-        classRepository = getClassRepository();
     });
 
     it('should return all invitations from a teacher', async () => {
-        const teacher = await teacherRepository.findByUsername('LimpBizkit');
+        const teacher = getLimpBizkit();
-        const invitations = await teacherInvitationRepository.findAllInvitationsBy(teacher!);
+        const ti1 = getTeacherInvitation01();
+        const ti2 = getTeacherInvitation02();
+        const invitations = await teacherInvitationRepository.findAllInvitationsBy(teacher);
 
         expect(invitations).toBeTruthy();
         expect(invitations).toHaveLength(2);
+        expect(invitations[0].class.classId).toBeOneOf([ti1.class.classId, ti2.class.classId]);
+        expect(invitations[1].class.classId).toBeOneOf([ti1.class.classId, ti2.class.classId]);
     });
 
     it('should return all invitations for a teacher', async () => {
-        const teacher = await teacherRepository.findByUsername('FooFighters');
+        const teacher = getFooFighters();
-        const invitations = await teacherInvitationRepository.findAllInvitationsFor(teacher!);
+        const ti1 = getTeacherInvitation01();
+        const ti2 = getTeacherInvitation03();
+        const invitations = await teacherInvitationRepository.findAllInvitationsFor(teacher);
 
         expect(invitations).toBeTruthy();
         expect(invitations).toHaveLength(2);
+        expect(invitations[0].class.classId).toBeOneOf([ti1.class.classId, ti2.class.classId]);
+        expect(invitations[1].class.classId).toBeOneOf([ti1.class.classId, ti2.class.classId]);
     });
 
     it('should return all invitations for a class', async () => {
-        const class_ = await classRepository.findById(getClass02().classId);
+        const class_ = getClass02();
-        const invitations = await teacherInvitationRepository.findAllInvitationsForClass(class_!);
+        const ti1 = getTeacherInvitation01();
+        const ti2 = getTeacherInvitation02();
+        const invitations = await teacherInvitationRepository.findAllInvitationsForClass(class_);
 
         expect(invitations).toBeTruthy();
         expect(invitations).toHaveLength(2);
+        expect(invitations[0].class.classId).toBeOneOf([ti1.class.classId, ti2.class.classId]);
+        expect(invitations[1].class.classId).toBeOneOf([ti1.class.classId, ti2.class.classId]);
     });
 
     it('should not find a removed invitation', async () => {
-        const class_ = await classRepository.findById(getClass01().classId);
+        const class_ = getClass01();
-        const sender = await teacherRepository.findByUsername('FooFighters');
+        const sender = getFooFighters();
-        const receiver = await teacherRepository.findByUsername('LimpBizkit');
+        const receiver = getLimpBizkit();
-        await teacherInvitationRepository.deleteBy(class_!, sender!, receiver!);
+        await teacherInvitationRepository.deleteBy(class_, sender, receiver);
 
-        const invitation = await teacherInvitationRepository.findAllInvitationsBy(sender!);
+        const invitation = await teacherInvitationRepository.findAllInvitationsBy(sender);
 
         expect(invitation).toHaveLength(0);
     });

backend/tests/data/content/attachments.test.ts

@@ -2,7 +2,7 @@ import { beforeAll, describe, expect, it } from 'vitest';
 import { setupTestApp } from '../../setup-tests.js';
 import { getAttachmentRepository } from '../../../src/data/repositories.js';
 import { AttachmentRepository } from '../../../src/data/content/attachment-repository.js';
-import { testLearningObject02 } from '../../test_assets/content/learning-objects.testdata';
+import { getAttachment01 } from '../../test_assets/content/attachments.testdata.js';
 
 describe('AttachmentRepository', () => {
     let attachmentRepository: AttachmentRepository;
@@ -13,10 +13,11 @@ describe('AttachmentRepository', () => {
     });
 
     it('should return the requested attachment', async () => {
+        const usedAttachment = getAttachment01();
         const attachment = await attachmentRepository.findByMostRecentVersionOfLearningObjectAndName(
-            testLearningObject02.hruid,
+            usedAttachment.learningObject.hruid,
-            testLearningObject02.language,
+            usedAttachment.learningObject.language,
-            'attachment01'
+            usedAttachment.name
         );
 
         expect(attachment).toBeTruthy();

backend/tests/data/content/learning-object-repository.test.ts

@@ -37,7 +37,8 @@ describe('LearningObjectRepository', () => {
     let newerExample: LearningObject;
 
     it('should allow a learning object with the same id except a different version to be added', async () => {
-        const testLearningObject01Newer = structuredClone(testLearningObject01);
+        // StructeredClone failed on teacher, this copies all fields to a json object
+        const testLearningObject01Newer = { ...testLearningObject01 };
         testLearningObject01Newer.version = 10;
         testLearningObject01Newer.title += ' (nieuw)';
         testLearningObject01Newer.uuid = v4();

backend/tests/data/questions/answers.test.ts

@@ -1,48 +1,39 @@
 import { beforeAll, describe, expect, it } from 'vitest';
 import { setupTestApp } from '../../setup-tests';
 import { AnswerRepository } from '../../../src/data/questions/answer-repository';
-import { getAnswerRepository, getQuestionRepository, getTeacherRepository } from '../../../src/data/repositories';
+import { getAnswerRepository } from '../../../src/data/repositories';
-import { QuestionRepository } from '../../../src/data/questions/question-repository';
+import { getQuestion01, getQuestion02 } from '../../test_assets/questions/questions.testdata';
-import { LearningObjectIdentifier } from '../../../src/entities/content/learning-object-identifier';
+import { getAnswer01, getAnswer02, getAnswer03 } from '../../test_assets/questions/answers.testdata';
-import { Language } from '@dwengo-1/common/util/language';
+import { getFooFighters } from '../../test_assets/users/teachers.testdata';
-import { TeacherRepository } from '../../../src/data/users/teacher-repository';
 
 describe('AnswerRepository', () => {
     let answerRepository: AnswerRepository;
-    let questionRepository: QuestionRepository;
-    let teacherRepository: TeacherRepository;
 
     beforeAll(async () => {
         await setupTestApp();
         answerRepository = getAnswerRepository();
-        questionRepository = getQuestionRepository();
-        teacherRepository = getTeacherRepository();
     });
 
     it('should find all answers to a question', async () => {
-        const id = new LearningObjectIdentifier('id05', Language.English, 1);
+        const question = getQuestion02();
-        const questions = await questionRepository.findAllQuestionsAboutLearningObject(id);
+        const a1 = getAnswer01();
+        const a2 = getAnswer02();
 
-        const question = questions.find((it) => it.sequenceNumber === 2);
+        const answers = await answerRepository.findAllAnswersToQuestion(question);
-
-        const answers = await answerRepository.findAllAnswersToQuestion(question!);
 
         expect(answers).toBeTruthy();
         expect(answers).toHaveLength(2);
-        expect(answers[0].content).toBeOneOf(['answer', 'answer2']);
+        expect(answers[0].content).toBeOneOf([a1.content, a2.content]);
-        expect(answers[1].content).toBeOneOf(['answer', 'answer2']);
+        expect(answers[1].content).toBeOneOf([a1.content, a2.content]);
     });
 
     it('should create an answer to a question', async () => {
-        const teacher = await teacherRepository.findByUsername('FooFighters');
+        const teacher = getFooFighters();
-        const id = new LearningObjectIdentifier('id05', Language.English, 1);
+        const question = getQuestion01();
-        const questions = await questionRepository.findAllQuestionsAboutLearningObject(id);
-
-        const question = questions[0];
 
         await answerRepository.createAnswer({
             toQuestion: question,
-            author: teacher!,
+            author: teacher,
             content: 'created answer',
         });
 
@@ -54,12 +45,11 @@ describe('AnswerRepository', () => {
     });
 
     it('should not find a removed answer', async () => {
-        const id = new LearningObjectIdentifier('id04', Language.English, 1);
+        const deleted = getAnswer03();
-        const questions = await questionRepository.findAllQuestionsAboutLearningObject(id);
 
-        await answerRepository.removeAnswerByQuestionAndSequenceNumber(questions[0], 1);
+        await answerRepository.removeAnswerByQuestionAndSequenceNumber(deleted.toQuestion, deleted.sequenceNumber!);
 
-        const emptyList = await answerRepository.findAllAnswersToQuestion(questions[0]);
+        const emptyList = await answerRepository.findAllAnswersToQuestion(deleted.toQuestion);
 
         expect(emptyList).toHaveLength(0);
     });

backend/tests/data/questions/questions.test.ts

@@ -1,70 +1,72 @@
 import { beforeAll, describe, expect, it } from 'vitest';
 import { setupTestApp } from '../../setup-tests';
 import { QuestionRepository } from '../../../src/data/questions/question-repository';
-import {
+import { getQuestionRepository } from '../../../src/data/repositories';
-    getAssignmentRepository,
-    getClassRepository,
-    getGroupRepository,
-    getQuestionRepository,
-    getStudentRepository,
-} from '../../../src/data/repositories';
-import { StudentRepository } from '../../../src/data/users/student-repository';
 import { LearningObjectIdentifier } from '../../../src/entities/content/learning-object-identifier';
-import { Language } from '@dwengo-1/common/util/language';
 import { Question } from '../../../src/entities/questions/question.entity';
-import { Class } from '../../../src/entities/classes/class.entity';
+import { testLearningObject03, testLearningObject05 } from '../../test_assets/content/learning-objects.testdata';
-import { Assignment } from '../../../src/entities/assignments/assignment.entity';
+import { getQuestion01, getQuestion02, getQuestion03, getQuestion05, getQuestion06 } from '../../test_assets/questions/questions.testdata';
-import { getClass01 } from '../../test_assets/classes/classes.testdata';
+import { getNoordkaap, getTool } from '../../test_assets/users/students.testdata';
+import { getAssignment01 } from '../../test_assets/assignments/assignments.testdata';
+import { getTestGroup01 } from '../../test_assets/assignments/groups.testdata';
 
 describe('QuestionRepository', () => {
     let questionRepository: QuestionRepository;
-    let studentRepository: StudentRepository;
 
     beforeAll(async () => {
         await setupTestApp();
         questionRepository = getQuestionRepository();
-        studentRepository = getStudentRepository();
     });
 
     it('should return all questions part of the given learning object', async () => {
-        const id = new LearningObjectIdentifier('id05', Language.English, 1);
+        const q1 = getQuestion01();
-        const questions = await questionRepository.findAllQuestionsAboutLearningObject(id);
+        const q2 = getQuestion02();
+        const q3 = getQuestion05();
+        const q4 = getQuestion06();
+        const loid = {
+            hruid: q1.learningObjectHruid,
+            language: q1.learningObjectLanguage,
+            version: q1.learningObjectVersion,
+        } as LearningObjectIdentifier;
+        const questions = await questionRepository.findAllQuestionsAboutLearningObject(loid);
 
         expect(questions).toBeTruthy();
         expect(questions).toHaveLength(4);
+        expect(questions[0].sequenceNumber!).toBeOneOf([q1.sequenceNumber, q2.sequenceNumber, q3.sequenceNumber, q4.sequenceNumber]);
+        expect(questions[1].sequenceNumber!).toBeOneOf([q1.sequenceNumber, q2.sequenceNumber, q3.sequenceNumber, q4.sequenceNumber]);
+        expect(questions[2].sequenceNumber!).toBeOneOf([q1.sequenceNumber, q2.sequenceNumber, q3.sequenceNumber, q4.sequenceNumber]);
+        expect(questions[3].sequenceNumber!).toBeOneOf([q1.sequenceNumber, q2.sequenceNumber, q3.sequenceNumber, q4.sequenceNumber]);
     });
 
     it('should create new question', async () => {
-        const id = new LearningObjectIdentifier('id03', Language.English, 1);
+        const id = {
-        const student = await studentRepository.findByUsername('Noordkaap');
+            hruid: testLearningObject03.hruid,
-
+            language: testLearningObject03.language,
-        const clazz = await getClassRepository().findById(getClass01().classId);
+            version: testLearningObject03.version,
-        const assignment = await getAssignmentRepository().findByClassAndId(clazz!, 21000);
+        } as LearningObjectIdentifier;
-        const group = await getGroupRepository().findByAssignmentAndGroupNumber(assignment!, 21001);
+        const student = getNoordkaap();
+        const group = getTestGroup01();
         await questionRepository.createQuestion({
             loId: id,
-            inGroup: group!,
+            inGroup: group,
-            author: student!,
+            author: student,
             content: 'question?',
         });
         const question = await questionRepository.findAllQuestionsAboutLearningObject(id);
 
         expect(question).toBeTruthy();
         expect(question).toHaveLength(1);
+        expect(question[0].content).toBe('question?');
     });
 
-    let clazz: Class | null;
-    let assignment: Assignment | null;
-    let loId: LearningObjectIdentifier;
     it('should find all questions for a certain learning object and assignment', async () => {
-        clazz = await getClassRepository().findById(getClass01().classId);
+        const assignment = getAssignment01();
-        assignment = await getAssignmentRepository().findByClassAndId(clazz!, 21000);
+        const loId = {
-        loId = {
+            hruid: testLearningObject05.hruid,
-            hruid: 'id05',
+            language: testLearningObject05.language,
-            language: Language.English,
+            version: testLearningObject05.version,
-            version: 1,
         };
-        const result = await questionRepository.findAllQuestionsAboutLearningObjectInAssignment(loId, assignment!);
+        const result = await questionRepository.findAllQuestionsAboutLearningObjectInAssignment(loId, assignment);
         sortQuestions(result);
 
         expect(result).toHaveLength(3);
@@ -85,7 +87,14 @@ describe('QuestionRepository', () => {
     });
 
     it("should find only the questions for a certain learning object and assignment asked by the user's group", async () => {
-        const result = await questionRepository.findAllQuestionsAboutLearningObjectInAssignment(loId, assignment!, 'Tool');
+        const loId = {
+            hruid: testLearningObject05.hruid,
+            language: testLearningObject05.language,
+            version: testLearningObject05.version,
+        };
+        const assignment = getAssignment01();
+
+        const result = await questionRepository.findAllQuestionsAboutLearningObjectInAssignment(loId, assignment, getTool().username);
         // (student Tool is in group #2)
 
         expect(result).toHaveLength(1);
@@ -100,12 +109,17 @@ describe('QuestionRepository', () => {
     });
 
     it('should not find removed question', async () => {
-        const id = new LearningObjectIdentifier('id04', Language.English, 1);
+        const usedQuestion = getQuestion03();
-        await questionRepository.removeQuestionByLearningObjectAndSequenceNumber(id, 1);
+        const id = {
+            hruid: usedQuestion.learningObjectHruid,
+            language: usedQuestion.learningObjectLanguage,
+            version: usedQuestion.learningObjectVersion,
+        } as LearningObjectIdentifier;
+        await questionRepository.removeQuestionByLearningObjectAndSequenceNumber(id, usedQuestion.sequenceNumber!);
 
-        const question = await questionRepository.findAllQuestionsAboutLearningObject(id);
+        const questions = await questionRepository.findAllQuestionsAboutLearningObject(id);
 
-        expect(question).toHaveLength(0);
+        expect(questions).toHaveLength(0);
     });
 });
 

backend/tests/data/users/students.test.ts

@@ -2,6 +2,7 @@ import { setupTestApp } from '../../setup-tests.js';
 import { describe, it, expect, beforeAll } from 'vitest';
 import { StudentRepository } from '../../../src/data/users/student-repository.js';
 import { getStudentRepository } from '../../../src/data/repositories.js';
+import { getNoordkaap } from '../../test_assets/users/students.testdata.js';
 
 const username = 'teststudent';
 const firstName = 'John';
@@ -21,11 +22,12 @@ describe('StudentRepository', () => {
     });
 
     it('should return student from the datbase', async () => {
-        const student = await studentRepository.findByUsername('Noordkaap');
+        const expectation = getNoordkaap();
+        const student = await studentRepository.findByUsername(expectation.username);
 
         expect(student).toBeTruthy();
-        expect(student?.firstName).toBe('Stijn');
+        expect(student?.firstName).toBe(expectation.firstName);
-        expect(student?.lastName).toBe('Meuris');
+        expect(student?.lastName).toBe(expectation.lastName);
     });
 
     it('should return the queried student after he was added', async () => {

backend/tests/data/users/teachers.test.ts

@@ -2,6 +2,7 @@ import { describe, it, expect, beforeAll } from 'vitest';
 import { TeacherRepository } from '../../../src/data/users/teacher-repository';
 import { setupTestApp } from '../../setup-tests';
 import { getTeacherRepository } from '../../../src/data/repositories';
+import { getFooFighters } from '../../test_assets/users/teachers.testdata';
 
 const username = 'testteacher';
 const firstName = 'John';
@@ -21,11 +22,12 @@ describe('TeacherRepository', () => {
     });
 
     it('should return teacher from the datbase', async () => {
-        const teacher = await teacherRepository.findByUsername('FooFighters');
+        const expected = getFooFighters();
+        const teacher = await teacherRepository.findByUsername(expected.username);
 
         expect(teacher).toBeTruthy();
-        expect(teacher?.firstName).toBe('Dave');
+        expect(teacher?.firstName).toBe(expected.firstName);
-        expect(teacher?.lastName).toBe('Grohl');
+        expect(teacher?.lastName).toBe(expected.lastName);
     });
 
     it('should return the queried teacher after he was added', async () => {
@@ -38,9 +40,9 @@ describe('TeacherRepository', () => {
     });
 
     it('should no longer return the queried teacher after he was removed again', async () => {
-        await teacherRepository.deleteByUsername('ZesdeMetaal');
+        await teacherRepository.deleteByUsername(username);
 
-        const retrievedTeacher = await teacherRepository.findByUsername('ZesdeMetaal');
+        const retrievedTeacher = await teacherRepository.findByUsername(username);
         expect(retrievedTeacher).toBeNull();
     });
 });

backend/tests/setup-tests.ts

@@ -2,11 +2,11 @@ import { forkEntityManager, initORM } from '../src/orm.js';
 import dotenv from 'dotenv';
 import { makeTestStudents } from './test_assets/users/students.testdata.js';
 import { makeTestTeachers } from './test_assets/users/teachers.testdata.js';
-import { makeTestLearningObjects } from './test_assets/content/learning-objects.testdata.js';
+import { makeTestLearningObjects, testLearningObject01 } from './test_assets/content/learning-objects.testdata.js';
 import { makeTestLearningPaths } from './test_assets/content/learning-paths.testdata.js';
 import { makeTestClasses } from './test_assets/classes/classes.testdata.js';
-import { makeTestAssignemnts } from './test_assets/assignments/assignments.testdata.js';
+import { getAssignment01, getAssignment02, makeTestAssignemnts } from './test_assets/assignments/assignments.testdata.js';
-import { makeTestGroups } from './test_assets/assignments/groups.testdata.js';
+import { getTestGroup01, getTestGroup02, getTestGroup03, getTestGroup04, makeTestGroups } from './test_assets/assignments/groups.testdata.js';
 import { makeTestTeacherInvitations } from './test_assets/classes/teacher-invitations.testdata.js';
 import { makeTestClassJoinRequests } from './test_assets/classes/class-join-requests.testdata.js';
 import { makeTestAttachments } from './test_assets/content/attachments.testdata.js';
@@ -26,22 +26,26 @@ export async function setupTestApp(): Promise<void> {
     const teachers = makeTestTeachers(em);
     const learningObjects = makeTestLearningObjects(em);
     const learningPaths = makeTestLearningPaths(em);
-    const classes = makeTestClasses(em, students, teachers);
+    const classes = makeTestClasses(em);
-    const assignments = makeTestAssignemnts(em, classes);
+    const assignments = makeTestAssignemnts(em);
-    const groups = makeTestGroups(em, students, assignments);
+    const groups = makeTestGroups(em);
 
-    assignments[0].groups = new Collection<Group>(groups.slice(0, 3));
+    const groups1 = [getTestGroup01(), getTestGroup02(), getTestGroup03()];
-    assignments[1].groups = new Collection<Group>(groups.slice(3, 4));
+    const groups2 = [getTestGroup04()];
+    const assignment1 = getAssignment01();
+    const assignment2 = getAssignment02();
+    assignment1.groups = new Collection<Group>(groups1);
+    assignment2.groups = new Collection<Group>(groups2);
 
-    const teacherInvitations = makeTestTeacherInvitations(em, teachers, classes);
+    const teacherInvitations = makeTestTeacherInvitations(em);
-    const classJoinRequests = makeTestClassJoinRequests(em, students, classes);
+    const classJoinRequests = makeTestClassJoinRequests(em);
-    const attachments = makeTestAttachments(em, learningObjects);
+    const attachments = makeTestAttachments(em);
 
-    learningObjects[1].attachments = attachments;
+    testLearningObject01.attachments = attachments;
 
-    const questions = makeTestQuestions(em, students, groups);
+    const questions = makeTestQuestions(em);
-    const answers = makeTestAnswers(em, teachers, questions);
+    const answers = makeTestAnswers(em);
-    const submissions = makeTestSubmissions(em, students, groups);
+    const submissions = makeTestSubmissions(em);
 
     await em.persistAndFlush([
         ...students,

backend/tests/test_assets/assignments/assignments.testdata.ts

@@ -1,11 +1,10 @@
 import { EntityManager } from '@mikro-orm/core';
 import { Assignment } from '../../../src/entities/assignments/assignment.entity';
-import { Class } from '../../../src/entities/classes/class.entity';
 import { Language } from '@dwengo-1/common/util/language';
-import { testLearningPathWithConditions } from '../content/learning-paths.testdata';
+import { testLearningPath01, testLearningPath02, testLearningPathWithConditions } from '../content/learning-paths.testdata';
-import { getClassWithTestleerlingAndTestleerkracht } from '../classes/classes.testdata';
+import { getClass01, getClass02, getClassWithTestleerlingAndTestleerkracht } from '../classes/classes.testdata';
 
-export function makeTestAssignemnts(em: EntityManager, classes: Class[]): Assignment[] {
+export function makeTestAssignemnts(em: EntityManager): Assignment[] {
     const futureDate = new Date();
     futureDate.setDate(futureDate.getDate() + 7);
     const pastDate = new Date();
@@ -14,44 +13,44 @@ export function makeTestAssignemnts(em: EntityManager, classes: Class[]): Assign
     today.setHours(23, 59);
     assignment01 = em.create(Assignment, {
         id: 21000,
-        within: classes[0],
+        within: getClass01(),
         title: 'dire straits',
         description: 'reading',
-        learningPathHruid: 'un_ai',
+        learningPathHruid: testLearningPath02.hruid,
-        learningPathLanguage: Language.English,
+        learningPathLanguage: testLearningPath02.language as Language,
         deadline: today,
         groups: [],
     });
 
     assignment02 = em.create(Assignment, {
         id: 21001,
-        within: classes[1],
+        within: getClass02(),
         title: 'tool',
         description: 'reading',
-        learningPathHruid: 'id01',
+        learningPathHruid: testLearningPath01.hruid,
-        learningPathLanguage: Language.English,
+        learningPathLanguage: testLearningPath01.language as Language,
         deadline: futureDate,
         groups: [],
     });
 
     assignment03 = em.create(Assignment, {
         id: 21002,
-        within: classes[0],
+        within: getClass01(),
         title: 'delete',
         description: 'will be deleted',
-        learningPathHruid: 'id02',
+        learningPathHruid: testLearningPath02.hruid,
-        learningPathLanguage: Language.English,
+        learningPathLanguage: testLearningPath02.language as Language,
         deadline: pastDate,
         groups: [],
     });
 
     assignment04 = em.create(Assignment, {
         id: 21003,
-        within: classes[0],
+        within: getClass01(),
         title: 'another assignment',
         description: 'with a description',
-        learningPathHruid: 'id01',
+        learningPathHruid: testLearningPath01.hruid,
-        learningPathLanguage: Language.English,
+        learningPathLanguage: testLearningPath01.language as Language,
         deadline: pastDate,
         groups: [],
     });

backend/tests/test_assets/assignments/groups.testdata.ts

@@ -1,19 +1,18 @@
 import { EntityManager } from '@mikro-orm/core';
 import { Group } from '../../../src/entities/assignments/group.entity';
-import { Assignment } from '../../../src/entities/assignments/assignment.entity';
+import { getAssignment01, getAssignment02, getAssignment04, getConditionalPathAssignment } from './assignments.testdata';
-import { Student } from '../../../src/entities/users/student.entity';
+import { getDireStraits, getNoordkaap, getPinkFloyd, getSmashingPumpkins, getTestleerling1, getTheDoors, getTool } from '../users/students.testdata';
-import { getConditionalPathAssignment } from './assignments.testdata';
-import { getTestleerling1 } from '../users/students.testdata';
 
-export function makeTestGroups(em: EntityManager, students: Student[], assignments: Assignment[]): Group[] {
+export function makeTestGroups(em: EntityManager): Group[] {
     /*
      * Group #1 for Assignment #1 in class 'id01'
      * => Assigned to do learning path 'id02'
      */
+    // Gets deleted
     group01 = em.create(Group, {
-        assignment: assignments[0],
+        assignment: getAssignment01(),
         groupNumber: 21001,
-        members: students.slice(0, 2),
+        members: [getNoordkaap(), getDireStraits()],
     });
 
     /*
@@ -21,9 +20,9 @@ export function makeTestGroups(em: EntityManager, students: Student[], assignmen
      * => Assigned to do learning path 'id02'
      */
     group02 = em.create(Group, {
-        assignment: assignments[0],
+        assignment: getAssignment01(),
         groupNumber: 21002,
-        members: students.slice(2, 4),
+        members: [getTool(), getSmashingPumpkins()],
     });
 
     /*
@@ -31,9 +30,9 @@ export function makeTestGroups(em: EntityManager, students: Student[], assignmen
      * => Assigned to do learning path 'id02'
      */
     group03 = em.create(Group, {
-        assignment: assignments[0],
+        assignment: getAssignment01(),
         groupNumber: 21003,
-        members: students.slice(4, 6),
+        members: [getPinkFloyd(), getTheDoors()],
     });
 
     /*
@@ -41,9 +40,9 @@ export function makeTestGroups(em: EntityManager, students: Student[], assignmen
      * => Assigned to do learning path 'id01'
      */
     group04 = em.create(Group, {
-        assignment: assignments[1],
+        assignment: getAssignment02(),
         groupNumber: 21004,
-        members: students.slice(3, 4),
+        members: getSmashingPumpkins(),
     });
 
     /*
@@ -51,9 +50,9 @@ export function makeTestGroups(em: EntityManager, students: Student[], assignmen
      * => Assigned to do learning path 'id01'
      */
     group05 = em.create(Group, {
-        assignment: assignments[3],
+        assignment: getAssignment04(),
         groupNumber: 21001,
-        members: students.slice(0, 2),
+        members: [getNoordkaap(), getDireStraits()],
     });
 
     /**

backend/tests/test_assets/assignments/submission.testdata.ts

@@ -1,97 +1,139 @@
 import { EntityManager } from '@mikro-orm/core';
 import { Submission } from '../../../src/entities/assignments/submission.entity';
-import { Language } from '@dwengo-1/common/util/language';
+import { testLearningObject01, testLearningObject02, testLearningObject03 } from '../content/learning-objects.testdata';
-import { Student } from '../../../src/entities/users/student.entity';
+import { getDireStraits, getNoordkaap, getSmashingPumpkins } from '../users/students.testdata';
-import { Group } from '../../../src/entities/assignments/group.entity';
+import { getTestGroup01, getTestGroup02, getTestGroup04, getTestGroup05 } from './groups.testdata';
 
-export function makeTestSubmissions(em: EntityManager, students: Student[], groups: Group[]): Submission[] {
+export function makeTestSubmissions(em: EntityManager): Submission[] {
-    const submission01 = em.create(Submission, {
+    submission01 = em.create(Submission, {
-        learningObjectHruid: 'id03',
+        learningObjectHruid: testLearningObject03.hruid,
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject03.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject03.version,
         submissionNumber: 1,
-        submitter: students[0],
+        submitter: getNoordkaap(),
         submissionTime: new Date(2025, 2, 20),
-        onBehalfOf: groups[0], // Group #1 for Assignment #1 in class 'id01'
+        onBehalfOf: getTestGroup01(), // Group #1 for Assignment #1 in class 'id01'
         content: 'sub1',
     });
 
-    const submission02 = em.create(Submission, {
+    submission02 = em.create(Submission, {
-        learningObjectHruid: 'id03',
+        learningObjectHruid: testLearningObject03.hruid,
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject03.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject03.version,
         submissionNumber: 2,
-        submitter: students[0],
+        submitter: getNoordkaap(),
         submissionTime: new Date(2025, 2, 25),
-        onBehalfOf: groups[0], // Group #1 for Assignment #1 in class 'id01'
+        onBehalfOf: getTestGroup01(), // Group #1 for Assignment #1 in class 'id01'
         content: '',
     });
 
-    const submission03 = em.create(Submission, {
+    submission03 = em.create(Submission, {
-        learningObjectHruid: 'id02',
+        learningObjectHruid: testLearningObject02.hruid,
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject02.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject02.version,
         submissionNumber: 1,
-        submitter: students[0],
+        submitter: getNoordkaap(),
         submissionTime: new Date(2025, 2, 20),
-        onBehalfOf: groups[0], // Group #1 for Assignment #1 in class 'id01'
+        onBehalfOf: getTestGroup01(), // Group #1 for Assignment #1 in class 'id01'
         content: '',
     });
 
-    const submission04 = em.create(Submission, {
+    submission04 = em.create(Submission, {
-        learningObjectHruid: 'id02',
+        learningObjectHruid: testLearningObject02.hruid,
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject02.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject02.version,
         submissionNumber: 2,
-        submitter: students[0],
+        submitter: getNoordkaap(),
         submissionTime: new Date(2025, 2, 25),
-        onBehalfOf: groups[0], // Group #1 for Assignment #1 in class 'id01'
+        onBehalfOf: getTestGroup01(), // Group #1 for Assignment #1 in class 'id01'
         content: '',
     });
 
-    const submission05 = em.create(Submission, {
+    submission05 = em.create(Submission, {
-        learningObjectHruid: 'id01',
+        learningObjectHruid: testLearningObject01.hruid,
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject01.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject01.version,
         submissionNumber: 1,
-        submitter: students[1],
+        submitter: getDireStraits(),
         submissionTime: new Date(2025, 2, 20),
-        onBehalfOf: groups[1], // Group #2 for Assignment #1 in class 'id01'
+        onBehalfOf: getTestGroup02(), // Group #2 for Assignment #1 in class 'id01'
         content: '',
     });
 
-    const submission06 = em.create(Submission, {
+    submission06 = em.create(Submission, {
-        learningObjectHruid: 'id01',
+        learningObjectHruid: testLearningObject01.hruid,
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject01.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject01.version,
         submissionNumber: 2,
-        submitter: students[1],
+        submitter: getDireStraits(),
         submissionTime: new Date(2025, 2, 25),
-        onBehalfOf: groups[4], // Group #5 for Assignment #4 in class 'id01'
+        onBehalfOf: getTestGroup05(), // Group #5 for Assignment #4 in class 'id01'
         content: '',
     });
 
-    const submission07 = em.create(Submission, {
+    // Gets deleted
-        learningObjectHruid: 'id01',
+    submission07 = em.create(Submission, {
-        learningObjectLanguage: Language.English,
+        learningObjectHruid: testLearningObject01.hruid,
-        learningObjectVersion: 1,
+        learningObjectLanguage: testLearningObject01.language,
+        learningObjectVersion: testLearningObject01.version,
         submissionNumber: 3,
-        submitter: students[3],
+        submitter: getSmashingPumpkins(),
         submissionTime: new Date(2025, 3, 25),
-        onBehalfOf: groups[3], // Group #4 for Assignment #2 in class 'id02'
+        onBehalfOf: getTestGroup04(), // Group #4 for Assignment #2 in class 'id02'
         content: '',
     });
 
-    const submission08 = em.create(Submission, {
+    submission08 = em.create(Submission, {
-        learningObjectHruid: 'id02',
+        learningObjectHruid: testLearningObject02.hruid,
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject02.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject02.version,
         submissionNumber: 3,
-        submitter: students[1],
+        submitter: getDireStraits(),
         submissionTime: new Date(2025, 4, 7),
-        onBehalfOf: groups[1], // Group #2 for Assignment #1 in class 'id01'
+        onBehalfOf: getTestGroup02(), // Group #2 for Assignment #1 in class 'id01'
         content: '',
     });
 
     return [submission01, submission02, submission03, submission04, submission05, submission06, submission07, submission08];
 }
+
+let submission01: Submission;
+let submission02: Submission;
+let submission03: Submission;
+let submission04: Submission;
+let submission05: Submission;
+let submission06: Submission;
+let submission07: Submission;
+let submission08: Submission;
+
+export function getSubmission01(): Submission {
+    return submission01;
+}
+
+export function getSubmission02(): Submission {
+    return submission02;
+}
+
+export function getSubmission03(): Submission {
+    return submission03;
+}
+
+export function getSubmission04(): Submission {
+    return submission04;
+}
+
+export function getSubmission05(): Submission {
+    return submission05;
+}
+
+export function getSubmission06(): Submission {
+    return submission06;
+}
+
+export function getSubmission07(): Submission {
+    return submission07;
+}
+
+export function getSubmission08(): Submission {
+    return submission08;
+}

backend/tests/test_assets/classes/class-join-requests.testdata.ts

@@ -1,33 +1,54 @@
 import { EntityManager } from '@mikro-orm/core';
 import { ClassJoinRequest } from '../../../src/entities/classes/class-join-request.entity';
-import { Student } from '../../../src/entities/users/student.entity';
-import { Class } from '../../../src/entities/classes/class.entity';
 import { ClassStatus } from '@dwengo-1/common/util/class-join-request';
+import { getPinkFloyd, getSmashingPumpkins, getTool } from '../users/students.testdata';
+import { getClass02, getClass03 } from './classes.testdata';
 
-export function makeTestClassJoinRequests(em: EntityManager, students: Student[], classes: Class[]): ClassJoinRequest[] {
+export function makeTestClassJoinRequests(em: EntityManager): ClassJoinRequest[] {
-    const classJoinRequest01 = em.create(ClassJoinRequest, {
+    classJoinRequest01 = em.create(ClassJoinRequest, {
-        requester: students[4],
+        requester: getPinkFloyd(),
-        class: classes[1],
+        class: getClass02(),
         status: ClassStatus.Open,
     });
 
-    const classJoinRequest02 = em.create(ClassJoinRequest, {
+    classJoinRequest02 = em.create(ClassJoinRequest, {
-        requester: students[2],
+        requester: getTool(),
-        class: classes[1],
+        class: getClass02(),
         status: ClassStatus.Open,
     });
 
-    const classJoinRequest03 = em.create(ClassJoinRequest, {
+    classJoinRequest03 = em.create(ClassJoinRequest, {
-        requester: students[4],
+        requester: getPinkFloyd(),
-        class: classes[2],
+        class: getClass03(),
         status: ClassStatus.Open,
     });
 
-    const classJoinRequest04 = em.create(ClassJoinRequest, {
+    classJoinRequest04 = em.create(ClassJoinRequest, {
-        requester: students[3],
+        requester: getSmashingPumpkins(),
-        class: classes[2],
+        class: getClass03(),
         status: ClassStatus.Open,
     });
 
     return [classJoinRequest01, classJoinRequest02, classJoinRequest03, classJoinRequest04];
 }
+
+let classJoinRequest01: ClassJoinRequest;
+let classJoinRequest02: ClassJoinRequest;
+let classJoinRequest03: ClassJoinRequest;
+let classJoinRequest04: ClassJoinRequest;
+
+export function getClassJoinRequest01(): ClassJoinRequest {
+    return classJoinRequest01;
+}
+
+export function getClassJoinRequest02(): ClassJoinRequest {
+    return classJoinRequest02;
+}
+
+export function getClassJoinRequest03(): ClassJoinRequest {
+    return classJoinRequest03;
+}
+
+export function getClassJoinRequest04(): ClassJoinRequest {
+    return classJoinRequest04;
+}

backend/tests/test_assets/classes/classes.testdata.ts

@@ -2,12 +2,12 @@ import { EntityManager } from '@mikro-orm/core';
 import { Class } from '../../../src/entities/classes/class.entity';
 import { Student } from '../../../src/entities/users/student.entity';
 import { Teacher } from '../../../src/entities/users/teacher.entity';
-import { getTestleerkracht1 } from '../users/teachers.testdata';
+import { getLimpBizkit, getStaind, getTestleerkracht1 } from '../users/teachers.testdata';
-import { getTestleerling1 } from '../users/students.testdata';
+import { getDireStraits, getNoordkaap, getSmashingPumpkins, getTestleerling1, getTool } from '../users/students.testdata';
 
-export function makeTestClasses(em: EntityManager, students: Student[], teachers: Teacher[]): Class[] {
+export function makeTestClasses(em: EntityManager): Class[] {
-    const studentsClass01 = students.slice(0, 8);
+    const studentsClass01 = [getTestleerling1()];
-    const teacherClass01: Teacher[] = teachers.slice(4, 5);
+    const teacherClass01: Teacher[] = [getTestleerkracht1()];
 
     class01 = em.create(Class, {
         classId: 'X2J9QT', // 8764b861-90a6-42e5-9732-c0d9eb2f55f9
@@ -16,8 +16,8 @@ export function makeTestClasses(em: EntityManager, students: Student[], teachers
         students: studentsClass01,
     });
 
-    const studentsClass02: Student[] = students.slice(0, 2).concat(students.slice(3, 4));
+    const studentsClass02: Student[] = [getNoordkaap(), getDireStraits(), getSmashingPumpkins()];
-    const teacherClass02: Teacher[] = teachers.slice(1, 2);
+    const teacherClass02: Teacher[] = [getLimpBizkit()];
 
     class02 = em.create(Class, {
         classId: '7KLPMA', // 34d484a1-295f-4e9f-bfdc-3e7a23d86a89
@@ -26,8 +26,8 @@ export function makeTestClasses(em: EntityManager, students: Student[], teachers
         students: studentsClass02,
     });
 
-    const studentsClass03: Student[] = students.slice(1, 4);
+    const studentsClass03: Student[] = [getDireStraits(), getTool(), getSmashingPumpkins()];
-    const teacherClass03: Teacher[] = teachers.slice(2, 3);
+    const teacherClass03: Teacher[] = [getStaind()];
 
     class03 = em.create(Class, {
         classId: 'R0D3UZ', // 80dcc3e0-1811-4091-9361-42c0eee91cfa
@@ -36,9 +36,10 @@ export function makeTestClasses(em: EntityManager, students: Student[], teachers
         students: studentsClass03,
     });
 
-    const studentsClass04: Student[] = students.slice(0, 2);
+    const studentsClass04: Student[] = [getNoordkaap(), getDireStraits()];
-    const teacherClass04: Teacher[] = teachers.slice(2, 3);
+    const teacherClass04: Teacher[] = [getStaind()];
 
+    // Gets deleted in test
     class04 = em.create(Class, {
         classId: 'Q8N5YC', // 33d03536-83b8-4880-9982-9bbf2f908ddf
         displayName: 'class04',

backend/tests/test_assets/classes/teacher-invitations.testdata.ts

@@ -1,37 +1,59 @@
 import { EntityManager } from '@mikro-orm/core';
 import { TeacherInvitation } from '../../../src/entities/classes/teacher-invitation.entity';
-import { Teacher } from '../../../src/entities/users/teacher.entity';
-import { Class } from '../../../src/entities/classes/class.entity';
 import { ClassStatus } from '@dwengo-1/common/util/class-join-request';
+import { getFooFighters, getLimpBizkit, getStaind } from '../users/teachers.testdata';
+import { getClass01, getClass02, getClass03 } from './classes.testdata';
 
-export function makeTestTeacherInvitations(em: EntityManager, teachers: Teacher[], classes: Class[]): TeacherInvitation[] {
+export function makeTestTeacherInvitations(em: EntityManager): TeacherInvitation[] {
-    const teacherInvitation01 = em.create(TeacherInvitation, {
+    teacherInvitation01 = em.create(TeacherInvitation, {
-        sender: teachers[1],
+        sender: getLimpBizkit(),
-        receiver: teachers[0],
+        receiver: getFooFighters(),
-        class: classes[1],
+        class: getClass02(),
         status: ClassStatus.Open,
     });
 
-    const teacherInvitation02 = em.create(TeacherInvitation, {
+    teacherInvitation02 = em.create(TeacherInvitation, {
-        sender: teachers[1],
+        sender: getLimpBizkit(),
-        receiver: teachers[2],
+        receiver: getStaind(),
-        class: classes[1],
+        class: getClass02(),
         status: ClassStatus.Open,
     });
 
-    const teacherInvitation03 = em.create(TeacherInvitation, {
+    teacherInvitation03 = em.create(TeacherInvitation, {
-        sender: teachers[2],
+        sender: getStaind(),
-        receiver: teachers[0],
+        receiver: getFooFighters(),
-        class: classes[2],
+        class: getClass03(),
         status: ClassStatus.Open,
     });
 
-    const teacherInvitation04 = em.create(TeacherInvitation, {
+    // Gets deleted in test
-        sender: teachers[0],
+    teacherInvitation04 = em.create(TeacherInvitation, {
-        receiver: teachers[1],
+        sender: getFooFighters(),
-        class: classes[0],
+        receiver: getLimpBizkit(),
+        class: getClass01(),
         status: ClassStatus.Open,
     });
 
     return [teacherInvitation01, teacherInvitation02, teacherInvitation03, teacherInvitation04];
 }
+
+let teacherInvitation01: TeacherInvitation;
+let teacherInvitation02: TeacherInvitation;
+let teacherInvitation03: TeacherInvitation;
+let teacherInvitation04: TeacherInvitation;
+
+export function getTeacherInvitation01(): TeacherInvitation {
+    return teacherInvitation01;
+}
+
+export function getTeacherInvitation02(): TeacherInvitation {
+    return teacherInvitation02;
+}
+
+export function getTeacherInvitation03(): TeacherInvitation {
+    return teacherInvitation03;
+}
+
+export function getTeacherInvitation04(): TeacherInvitation {
+    return teacherInvitation04;
+}

backend/tests/test_assets/content/attachments.testdata.ts

@@ -1,10 +1,14 @@
 import { EntityManager } from '@mikro-orm/core';
 import { Attachment } from '../../../src/entities/content/attachment.entity';
+import { testLearningObject01 } from './learning-objects.testdata';
 import { LearningObject } from '../../../src/entities/content/learning-object.entity';
 
-export function makeTestAttachments(em: EntityManager, learningObjects: LearningObject[]): Attachment[] {
+export function makeTestAttachments(em: EntityManager): Attachment[] {
-    const attachment01 = em.create(Attachment, {
+    // Prevent duplicate insertion
-        learningObject: learningObjects[1],
+    const lo = em.merge(LearningObject, testLearningObject01);
+
+    attachment01 = em.create(Attachment, {
+        learningObject: lo,
         name: 'attachment01',
         mimeType: '',
         content: Buffer.from(''),
@@ -12,3 +16,9 @@ export function makeTestAttachments(em: EntityManager, learningObjects: Learning
 
     return [attachment01];
 }
+
+let attachment01: Attachment;
+
+export function getAttachment01(): Attachment {
+    return attachment01;
+}

backend/tests/test_assets/content/learning-objects.testdata.ts

@@ -75,6 +75,7 @@ export const testLearningObject02: RequiredEntityData<LearningObject> = {
     description: 'second album',
     contentType: DwengoContentType.TEXT_MARKDOWN,
     keywords: [],
+    uuid: v4(),
     teacherExclusive: false,
     skosConcepts: [],
     educationalGoals: [],
@@ -99,6 +100,7 @@ export const testLearningObject03: RequiredEntityData<LearningObject> = {
     description: 'third album',
     contentType: DwengoContentType.TEXT_MARKDOWN,
     keywords: [],
+    uuid: v4(),
     teacherExclusive: false,
     skosConcepts: [],
     educationalGoals: [],
@@ -126,6 +128,7 @@ export const testLearningObject04: RequiredEntityData<LearningObject> = {
     description: 'fifth album',
     contentType: DwengoContentType.TEXT_MARKDOWN,
     keywords: [],
+    uuid: v4(),
     teacherExclusive: false,
     skosConcepts: [],
     educationalGoals: [],
@@ -153,6 +156,7 @@ export const testLearningObject05: RequiredEntityData<LearningObject> = {
     description: 'sixth album',
     contentType: DwengoContentType.TEXT_MARKDOWN,
     keywords: [],
+    uuid: v4(),
     teacherExclusive: false,
     skosConcepts: [],
     educationalGoals: [],
@@ -173,6 +177,7 @@ export const testLearningObjectMultipleChoice: RequiredEntityData<LearningObject
     title: 'Self-evaluation',
     description: "Time to evaluate how well you understand what you've learned so far.",
     keywords: ['test'],
+    uuid: v4(),
     teacherExclusive: false,
     skosConcepts: [],
     educationalGoals: [],
@@ -199,6 +204,7 @@ export const testLearningObjectEssayQuestion: RequiredEntityData<LearningObject>
     title: 'Reflection',
     description: 'Reflect on your learning progress.',
     keywords: ['test'],
+    uuid: v4(),
     teacherExclusive: false,
     skosConcepts: [],
     educationalGoals: [],

backend/tests/test_assets/questions/answers.testdata.ts

@@ -1,36 +1,35 @@
 import { EntityManager } from '@mikro-orm/core';
 import { Answer } from '../../../src/entities/questions/answer.entity';
-import { Teacher } from '../../../src/entities/users/teacher.entity';
+import { getFooFighters, getLimpBizkit, getTestleerkracht1 } from '../users/teachers.testdata';
-import { Question } from '../../../src/entities/questions/question.entity';
+import { getQuestion02, getQuestion04, getQuestion07 } from './questions.testdata';
-import { getTestleerkracht1 } from '../users/teachers.testdata';
-import { getQuestion07 } from './questions.testdata';
 
-export function makeTestAnswers(em: EntityManager, teachers: Teacher[], questions: Question[]): Answer[] {
+export function makeTestAnswers(em: EntityManager): Answer[] {
-    const answer01 = em.create(Answer, {
+    answer01 = em.create(Answer, {
-        author: teachers[0],
+        author: getFooFighters(),
-        toQuestion: questions[1],
+        toQuestion: getQuestion02(),
         sequenceNumber: 1,
         timestamp: new Date(),
         content: 'answer',
     });
 
-    const answer02 = em.create(Answer, {
+    answer02 = em.create(Answer, {
-        author: teachers[0],
+        author: getFooFighters(),
-        toQuestion: questions[1],
+        toQuestion: getQuestion02(),
         sequenceNumber: 2,
         timestamp: new Date(),
         content: 'answer2',
     });
 
-    const answer03 = em.create(Answer, {
+    // Gets deleted
-        author: teachers[1],
+    answer03 = em.create(Answer, {
-        toQuestion: questions[3],
+        author: getLimpBizkit(),
+        toQuestion: getQuestion04(),
         sequenceNumber: 1,
         timestamp: new Date(),
         content: 'answer3',
     });
 
-    const answer04 = em.create(Answer, {
+    answer04 = em.create(Answer, {
         author: getTestleerkracht1(),
         toQuestion: getQuestion07(),
         sequenceNumber: 1,
@@ -38,7 +37,7 @@ export function makeTestAnswers(em: EntityManager, teachers: Teacher[], question
         content: 'this is a test answer',
     });
 
-    const answer05 = em.create(Answer, {
+    answer05 = em.create(Answer, {
         author: getTestleerkracht1(),
         toQuestion: getQuestion07(),
         sequenceNumber: 2,
@@ -48,3 +47,29 @@ export function makeTestAnswers(em: EntityManager, teachers: Teacher[], question
 
     return [answer01, answer02, answer03, answer04, answer05];
 }
+
+let answer01: Answer;
+let answer02: Answer;
+let answer03: Answer;
+let answer04: Answer;
+let answer05: Answer;
+
+export function getAnswer01(): Answer {
+    return answer01;
+}
+
+export function getAnswer02(): Answer {
+    return answer02;
+}
+
+export function getAnswer03(): Answer {
+    return answer03;
+}
+
+export function getAnswer04(): Answer {
+    return answer04;
+}
+
+export function getAnswer05(): Answer {
+    return answer05;
+}

backend/tests/test_assets/questions/questions.testdata.ts

@@ -1,82 +1,85 @@
 import { EntityManager } from '@mikro-orm/core';
 import { Question } from '../../../src/entities/questions/question.entity';
-import { Language } from '@dwengo-1/common/util/language';
+import { getDireStraits, getNoordkaap, getTestleerling1, getTool } from '../users/students.testdata';
-import { Student } from '../../../src/entities/users/student.entity';
+import {
-import { Group } from '../../../src/entities/assignments/group.entity';
+    testLearningObject01,
-import { getTestleerling1 } from '../users/students.testdata';
+    testLearningObject04,
-import { testLearningObjectMultipleChoice } from '../content/learning-objects.testdata';
+    testLearningObject05,
-import { getGroup1ConditionalLearningPath } from '../assignments/groups.testdata';
+    testLearningObjectMultipleChoice,
+} from '../content/learning-objects.testdata';
+import { getGroup1ConditionalLearningPath, getTestGroup01, getTestGroup02 } from '../assignments/groups.testdata';
 
-export function makeTestQuestions(em: EntityManager, students: Student[], groups: Group[]): Question[] {
+export function makeTestQuestions(em: EntityManager): Question[] {
-    const question01 = em.create(Question, {
+    question01 = em.create(Question, {
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject05.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject05.version,
-        learningObjectHruid: 'id05',
+        learningObjectHruid: testLearningObject05.hruid,
-        inGroup: groups[0], // Group #1 for Assignment #1 in class 'id01'
+        inGroup: getTestGroup01(), // Group #1 for Assignment #1 in class 'id01'
         sequenceNumber: 1,
-        author: students[0],
+        author: getNoordkaap(),
         timestamp: new Date(),
         content: 'question',
     });
 
-    const question02 = em.create(Question, {
+    question02 = em.create(Question, {
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject05.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject05.version,
-        learningObjectHruid: 'id05',
+        learningObjectHruid: testLearningObject05.hruid,
-        inGroup: groups[0], // Group #1 for Assignment #1 in class 'id01'
+        inGroup: getTestGroup01(), // Group #1 for Assignment #1 in class 'id01'
         sequenceNumber: 2,
-        author: students[2],
+        author: getTool(),
         timestamp: new Date(),
         content: 'question',
     });
 
-    const question03 = em.create(Question, {
+    //Gets deleted
-        learningObjectLanguage: Language.English,
+    question03 = em.create(Question, {
-        learningObjectVersion: 1,
+        learningObjectLanguage: testLearningObject04.language,
-        learningObjectHruid: 'id04',
+        learningObjectVersion: testLearningObject04.version,
+        learningObjectHruid: testLearningObject04.hruid,
         sequenceNumber: 1,
-        author: students[0],
+        author: getNoordkaap(),
-        inGroup: groups[0], // Group #1 for Assignment #1 in class 'id01'
+        inGroup: getTestGroup01(), // Group #1 for Assignment #1 in class 'id01'
         timestamp: new Date(),
         content: 'question',
     });
 
-    const question04 = em.create(Question, {
+    question04 = em.create(Question, {
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject01.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject01.version,
-        learningObjectHruid: 'id01',
+        learningObjectHruid: testLearningObject01.hruid,
         sequenceNumber: 1,
-        author: students[1],
+        author: getDireStraits(),
-        inGroup: groups[1], // Group #2 for Assignment #1 in class 'id01'
+        inGroup: getTestGroup02(), // Group #2 for Assignment #1 in class 'id01'
         timestamp: new Date(),
         content: 'question',
     });
 
-    const question05 = em.create(Question, {
+    question05 = em.create(Question, {
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject05.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject05.version,
-        learningObjectHruid: 'id05',
+        learningObjectHruid: testLearningObject05.hruid,
         sequenceNumber: 3,
-        author: students[1],
+        author: getDireStraits(),
-        inGroup: groups[1], // Group #2 for Assignment #1 in class 'id01'
+        inGroup: getTestGroup02(), // Group #2 for Assignment #1 in class 'id01'
         timestamp: new Date(),
         content: 'question',
     });
 
-    const question06 = em.create(Question, {
+    question06 = em.create(Question, {
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObject05.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObject05.version,
-        learningObjectHruid: 'id05',
+        learningObjectHruid: testLearningObject05.hruid,
         sequenceNumber: 4,
-        author: students[2],
+        author: getTool(),
-        inGroup: groups[5], // Group #4 for Assignment #2 in class 'id02'
+        inGroup: getGroup1ConditionalLearningPath(), // Group #4 for Assignment #2 in class 'id02'
         timestamp: new Date(),
         content: 'question',
     });
 
     question07 = em.create(Question, {
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObjectMultipleChoice.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObjectMultipleChoice.version,
         learningObjectHruid: testLearningObjectMultipleChoice.hruid,
         sequenceNumber: 1,
         author: getTestleerling1(),
@@ -86,8 +89,8 @@ export function makeTestQuestions(em: EntityManager, students: Student[], groups
     });
 
     question08 = em.create(Question, {
-        learningObjectLanguage: Language.English,
+        learningObjectLanguage: testLearningObjectMultipleChoice.language,
-        learningObjectVersion: 1,
+        learningObjectVersion: testLearningObjectMultipleChoice.version,
         learningObjectHruid: testLearningObjectMultipleChoice.hruid,
         sequenceNumber: 2,
         author: getTestleerling1(),
@@ -99,8 +102,38 @@ export function makeTestQuestions(em: EntityManager, students: Student[], groups
     return [question01, question02, question03, question04, question05, question06, question07, question08];
 }
 
-let question08: Question;
+let question01: Question;
+let question02: Question;
+let question03: Question;
+let question04: Question;
+let question05: Question;
+let question06: Question;
 let question07: Question;
+let question08: Question;
+
+export function getQuestion01(): Question {
+    return question01;
+}
+
+export function getQuestion02(): Question {
+    return question02;
+}
+
+export function getQuestion03(): Question {
+    return question03;
+}
+
+export function getQuestion04(): Question {
+    return question04;
+}
+
+export function getQuestion05(): Question {
+    return question05;
+}
+
+export function getQuestion06(): Question {
+    return question06;
+}
 
 export function getQuestion07(): Question {
     return question07;

backend/tests/test_assets/users/students.testdata.ts

@@ -9,7 +9,6 @@ export const TEST_STUDENTS = [
     { username: 'SmashingPumpkins', firstName: 'Billy', lastName: 'Corgan' },
     { username: 'PinkFloyd', firstName: 'David', lastName: 'Gilmoure' },
     { username: 'TheDoors', firstName: 'Jim', lastName: 'Morisson' },
-    // ⚠️ Deze mag niet gebruikt worden in elke test!
     { username: 'Nirvana', firstName: 'Kurt', lastName: 'Cobain' },
     // Makes sure when logged in as leerling1, there exists a corresponding user
     { username: 'testleerling1', firstName: 'Gerald', lastName: 'Schmittinger' },
@@ -24,5 +23,33 @@ export function makeTestStudents(em: EntityManager): Student[] {
 }
 
 export function getTestleerling1(): Student {
-    return testStudents.find((it) => it.username === 'testleerling1');
+    return testStudents.find((it) => it.username === 'testleerling1')!;
+}
+
+export function getNoordkaap(): Student {
+    return testStudents.find((it) => it.username === 'Noordkaap')!;
+}
+
+export function getDireStraits(): Student {
+    return testStudents.find((it) => it.username === 'DireStraits')!;
+}
+
+export function getTool(): Student {
+    return testStudents.find((it) => it.username === 'Tool')!;
+}
+
+export function getSmashingPumpkins(): Student {
+    return testStudents.find((it) => it.username === 'SmashingPumpkins')!;
+}
+
+export function getPinkFloyd(): Student {
+    return testStudents.find((it) => it.username === 'PinkFloyd')!;
+}
+
+export function getTheDoors(): Student {
+    return testStudents.find((it) => it.username === 'TheDoors')!;
+}
+
+export function getNirvana(): Student {
+    return testStudents.find((it) => it.username === 'Nirvana')!;
 }

backend/tests/test_assets/users/teachers.testdata.ts

@@ -43,19 +43,19 @@ let teacher03: Teacher;
 let teacher04: Teacher;
 let testleerkracht1: Teacher;
 
-export function getTeacher01(): Teacher {
+export function getFooFighters(): Teacher {
     return teacher01;
 }
 
-export function getTeacher02(): Teacher {
+export function getLimpBizkit(): Teacher {
     return teacher02;
 }
 
-export function getTeacher03(): Teacher {
+export function getStaind(): Teacher {
     return teacher03;
 }
 
-export function getTeacher04(): Teacher {
+export function getZesdeMetaal(): Teacher {
     return teacher04;
 }
 

backend/tool/seed.ts

@@ -1,82 +1,23 @@
-import { forkEntityManager, initORM } from '../src/orm.js';
+import { initORM } from '../src/orm.js';
 import dotenv from 'dotenv';
-import { makeTestAssignemnts } from '../tests/test_assets/assignments/assignments.testdata.js';
-import { makeTestGroups } from '../tests/test_assets/assignments/groups.testdata.js';
-import { makeTestSubmissions } from '../tests/test_assets/assignments/submission.testdata.js';
-import { makeTestClassJoinRequests } from '../tests/test_assets/classes/class-join-requests.testdata.js';
-import { makeTestClasses } from '../tests/test_assets/classes/classes.testdata.js';
-import { makeTestTeacherInvitations } from '../tests/test_assets/classes/teacher-invitations.testdata.js';
-import { makeTestAttachments } from '../tests/test_assets/content/attachments.testdata.js';
-import { makeTestLearningObjects } from '../tests/test_assets/content/learning-objects.testdata.js';
-import { makeTestLearningPaths } from '../tests/test_assets/content/learning-paths.testdata.js';
-import { makeTestAnswers } from '../tests/test_assets/questions/answers.testdata.js';
-import { makeTestQuestions } from '../tests/test_assets/questions/questions.testdata.js';
-import { makeTestStudents } from '../tests/test_assets/users/students.testdata.js';
-import { makeTestTeachers } from '../tests/test_assets/users/teachers.testdata.js';
 import { getLogger, Logger } from '../src/logging/initalize.js';
-import { Collection, MikroORM } from '@mikro-orm/core';
+import { seedORM } from './seedORM.js';
-import { Group } from '../src/entities/assignments/group.entity';
 
 const logger: Logger = getLogger();
 
-export async function seedORM(orm: MikroORM): Promise<void> {
+export async function seedDatabase(
-    await orm.schema.clearDatabase();
+    envFile = '.env.development.local',
-
+    testMode = process.env.NODE_ENV !== undefined && process.env.NODE_ENV === 'test'
-    const em = forkEntityManager();
+): Promise<void> {
-
-    logger.info('seeding database...');
-
-    const students = makeTestStudents(em);
-    const teachers = makeTestTeachers(em);
-    const learningObjects = makeTestLearningObjects(em);
-    const learningPaths = makeTestLearningPaths(em);
-    const classes = makeTestClasses(em, students, teachers);
-    const assignments = makeTestAssignemnts(em, classes);
-
-    const groups = makeTestGroups(em, students, assignments);
-
-    assignments[0].groups = new Collection<Group>(groups.slice(0, 3));
-    assignments[1].groups = new Collection<Group>(groups.slice(3, 4));
-
-    const teacherInvitations = makeTestTeacherInvitations(em, teachers, classes);
-    const classJoinRequests = makeTestClassJoinRequests(em, students, classes);
-    const attachments = makeTestAttachments(em, learningObjects);
-
-    learningObjects[1].attachments = attachments;
-
-    const questions = makeTestQuestions(em, students, groups);
-    const answers = makeTestAnswers(em, teachers, questions);
-    const submissions = makeTestSubmissions(em, students, groups);
-
-    // Persist all entities
-    await em.persistAndFlush([
-        ...students,
-        ...teachers,
-        ...learningObjects,
-        ...learningPaths,
-        ...classes,
-        ...assignments,
-        ...groups,
-        ...teacherInvitations,
-        ...classJoinRequests,
-        ...attachments,
-        ...questions,
-        ...answers,
-        ...submissions,
-    ]);
-
-    logger.info('Development database seeded successfully!');
-}
-
-export async function seedDatabase(envFile = '.env.development.local', testMode = false): Promise<void> {
     dotenv.config({ path: envFile });
-    const orm = await initORM(testMode);
 
-    await seedORM(orm);
+    try {
-
+        const orm = await initORM(testMode);
-    await orm.close();
+        await seedORM(orm);
+        await orm.close();
+    } catch (err) {
+        logger.error(`Error: ${err}`);
+    }
 }
 
-seedDatabase().catch((err) => {
+seedDatabase().catch((err) => logger.error(`Seeding: ${err}`));
-    logger.error(err);
-});

backend/tool/seedORM.ts

@@ -0,0 +1,70 @@
+import { Collection, MikroORM } from '@mikro-orm/core';
+import { forkEntityManager } from '../src/orm';
+import { makeTestStudents } from '../tests/test_assets/users/students.testdata';
+import { makeTestTeachers } from '../tests/test_assets/users/teachers.testdata';
+import { makeTestLearningObjects } from '../tests/test_assets/content/learning-objects.testdata';
+import { makeTestLearningPaths } from '../tests/test_assets/content/learning-paths.testdata';
+import { makeTestClasses } from '../tests/test_assets/classes/classes.testdata';
+import { makeTestAssignemnts } from '../tests/test_assets/assignments/assignments.testdata';
+import { getTestGroup01, getTestGroup02, getTestGroup03, getTestGroup04, makeTestGroups } from '../tests/test_assets/assignments/groups.testdata';
+import { Group } from '../src/entities/assignments/group.entity';
+import { makeTestTeacherInvitations } from '../tests/test_assets/classes/teacher-invitations.testdata';
+import { makeTestClassJoinRequests } from '../tests/test_assets/classes/class-join-requests.testdata';
+import { makeTestAttachments } from '../tests/test_assets/content/attachments.testdata';
+import { makeTestQuestions } from '../tests/test_assets/questions/questions.testdata';
+import { makeTestAnswers } from '../tests/test_assets/questions/answers.testdata';
+import { makeTestSubmissions } from '../tests/test_assets/assignments/submission.testdata';
+import { getLogger } from '../src/logging/initalize';
+
+export async function seedORM(orm: MikroORM): Promise<void> {
+    const logger = getLogger();
+
+    logger.debug('Clearing database...');
+    await orm.schema.clearDatabase();
+
+    logger.debug('Forking entity manager...');
+    const em = forkEntityManager();
+
+    logger.debug('Seeding database...');
+
+    const students = makeTestStudents(em);
+    const teachers = makeTestTeachers(em);
+    const learningObjects = makeTestLearningObjects(em);
+    const learningPaths = makeTestLearningPaths(em);
+    const classes = makeTestClasses(em);
+    const assignments = makeTestAssignemnts(em);
+
+    const groups = makeTestGroups(em);
+
+    assignments[0].groups = new Collection<Group>([getTestGroup01(), getTestGroup02(), getTestGroup03()]);
+    assignments[1].groups = new Collection<Group>([getTestGroup04()]);
+
+    const teacherInvitations = makeTestTeacherInvitations(em);
+    const classJoinRequests = makeTestClassJoinRequests(em);
+    const attachments = makeTestAttachments(em);
+
+    learningObjects[1].attachments = attachments;
+
+    const questions = makeTestQuestions(em);
+    const answers = makeTestAnswers(em);
+    const submissions = makeTestSubmissions(em);
+
+    // Persist all entities
+    await em.persistAndFlush([
+        ...students,
+        ...teachers,
+        ...learningObjects,
+        ...learningPaths,
+        ...classes,
+        ...assignments,
+        ...groups,
+        ...teacherInvitations,
+        ...classJoinRequests,
+        ...attachments,
+        ...questions,
+        ...answers,
+        ...submissions,
+    ]);
+
+    logger.info('Development database seeded successfully!');
+}

backend/tool/startTestApp.ts

@@ -5,7 +5,7 @@ import { errorHandler } from '../src/middleware/error-handling/error-handler.js'
 import dotenv from 'dotenv';
 import cors from '../src/middleware/cors';
 import { authenticateUser } from '../src/middleware/auth/auth';
-import { seedORM } from './seed';
+import { seedORM } from './seedORM';
 
 const envFile = '../.env.test';
 

compose.production.yml

@@ -157,6 +157,17 @@ services:
         volumes:
             - dwengo_grafana_data:/var/lib/grafana
 
+    caching:
+        image: memcached
+        restart: always
+        ports:
+            - '11211:11211'
+        command:
+            - --conn-limit=1024
+            - --memory-limit=2048
+            - -I 128m
+            - --threads=4
+
 volumes:
     dwengo_grafana_data:
     dwengo_letsencrypt:

compose.staging.yml

@@ -97,6 +97,17 @@ services:
             - ./config/grafana/grafana.ini:/etc/grafana/grafana.ini
         restart: unless-stopped
 
+    caching:
+        image: memcached
+        restart: always
+        ports:
+            - '11211:11211'
+        command:
+            - --conn-limit=1024
+            - --memory-limit=2048
+            - -I 128m
+            - --threads=4
+
 volumes:
     dwengo_grafana_data:
     dwengo_loki_data:

frontend/src/controllers/answers.ts

@@ -17,7 +17,7 @@ export class AnswerController extends BaseController {
 
     constructor(questionId: QuestionId) {
         super(
-            `learningObject/${questionId.learningObjectIdentifier.hruid}/:${questionId.learningObjectIdentifier.version}/questions/${questionId.sequenceNumber}/answers`,
+            `learningObject/${questionId.learningObjectIdentifier.hruid}/${questionId.learningObjectIdentifier.version}/questions/${questionId.sequenceNumber}/answers`,
         );
         this.loId = questionId.learningObjectIdentifier;
         this.sequenceNumber = questionId.sequenceNumber;

frontend/tests/controllers/answers-controller.test.ts

@@ -0,0 +1,31 @@
+import { describe, it, expect, beforeEach } from "vitest";
+import { AnswerController } from "../../src/controllers/answers";
+import { Language } from "@dwengo-1/common/util/language";
+
+describe("AnswerController Tests", () => {
+    let controller: AnswerController;
+
+    beforeEach(() => {
+        const loiDTO = {
+            hruid: "u_test_multiple_choice",
+            language: Language.English,
+            version: 1,
+        };
+        const questionId = { learningObjectIdentifier: loiDTO, sequenceNumber: 1 };
+        controller = new AnswerController(questionId);
+    });
+
+    it("should fetch all answers", async () => {
+        const result = await controller.getAll(true);
+        expect(result).toHaveProperty("answers");
+        expect(Array.isArray(result.answers)).toBe(true);
+        expect(result.answers.length).toBeGreaterThan(0);
+    });
+
+    it("should fetch an answer by sequencenumber", async () => {
+        const answerNumber = 1; // Example sequence number
+        const result = await controller.getBy(answerNumber);
+        expect(result).toHaveProperty("answer");
+        expect(result.answer).toHaveProperty("sequenceNumber", answerNumber);
+    });
+});

frontend/tests/controllers/questions-controller.test.ts

@@ -0,0 +1,30 @@
+import { describe, it, expect, beforeEach } from "vitest";
+import { Language } from "@dwengo-1/common/util/language";
+import { QuestionController } from "../../src/controllers/questions";
+
+describe("QuestionController Tests", () => {
+    let controller: QuestionController;
+
+    beforeEach(() => {
+        const loiDTO = {
+            hruid: "u_test_multiple_choice",
+            language: Language.English,
+            version: 1,
+        };
+        controller = new QuestionController(loiDTO);
+    });
+
+    it("should fetch all questions", async () => {
+        const result = await controller.getAll(true);
+        expect(result).toHaveProperty("questions");
+        expect(Array.isArray(result.questions)).toBe(true);
+        expect(result.questions.length).toBeGreaterThan(0);
+    });
+
+    it("should fetch an question by sequencenumber", async () => {
+        const questionNumber = 1; // Example sequence number
+        const result = await controller.getBy(questionNumber);
+        expect(result).toHaveProperty("question");
+        expect(result.question).toHaveProperty("sequenceNumber", questionNumber);
+    });
+});

frontend/tests/controllers/student-controller.test.ts

@@ -27,13 +27,8 @@ test.each([
     { username: "DireStraits", firstName: "Mark", lastName: "Knopfler" },
     { username: "Tool", firstName: "Maynard", lastName: "Keenan" },
     { username: "SmashingPumpkins", firstName: "Billy", lastName: "Corgan" },
-    { username: "PinkFloyd", firstName: "David", lastName: "Gilmoure" },
-    { username: "TheDoors", firstName: "Jim", lastName: "Morisson" },
-    // ⚠️ Deze mag niet gebruikt worden in elke test!
-    { username: "Nirvana", firstName: "Kurt", lastName: "Cobain" },
-    // Makes sure when logged in as leerling1, there exists a corresponding user
     { username: "testleerling1", firstName: "Gerald", lastName: "Schmittinger" },
 ])("Get classes of student", async (student) => {
     const data = await controller.getClasses(student.username, true);
-    expect(data.classes).to.have.length.greaterThan(0);
+    expect(data.classes).to.have.length.greaterThan(0, `Found no classes for ${student.username}`);
 });

frontend/tests/controllers/submissions-controller.test.ts

@@ -1,15 +0,0 @@
-import { describe, expect, it } from "vitest";
-import { SubmissionController } from "../../src/controllers/submissions";
-import { Language } from "../../src/data-objects/language";
-
-describe("Test controller submissions", () => {
-    it("Get submission by number", async () => {
-        const hruid = "id03";
-        const classId = "X2J9QT"; // Class01
-        const controller = new SubmissionController(hruid);
-
-        const data = await controller.getByNumber(Language.English, 1, classId, 1, 1, 1);
-
-        expect(data.submission).to.have.property("submissionNumber");
-    });
-});

frontend/tests/setup-backend.ts

@@ -1,5 +1,6 @@
 import { spawn } from "child_process";
 import { ChildProcess, spawnSync } from "node:child_process";
+import { getLogger } from "../../backend/src/logging/initalize";
 
 let backendProcess: ChildProcess;
 
@@ -35,6 +36,8 @@ export async function setup(): Promise<void> {
 
 export async function teardown(): Promise<void> {
     if (backendProcess) {
-        backendProcess.kill();
+        while (!backendProcess.kill()) {
+            getLogger().error(`Failed to kill backend process! Retrying...`);
+        }
     }
 }

package-lock.json

@@ -51,6 +51,7 @@
                 "jwks-rsa": "^3.1.0",
                 "loki-logger-ts": "^1.0.2",
                 "marked": "^15.0.7",
+                "memjs": "^1.3.2",
                 "mime-types": "^3.0.1",
                 "nanoid": "^5.1.5",
                 "response-time": "^2.3.3",
@@ -66,6 +67,7 @@
                 "@types/express": "^5.0.0",
                 "@types/express-fileupload": "^1.5.1",
                 "@types/js-yaml": "^4.0.9",
+                "@types/memjs": "^1.3.3",
                 "@types/mime-types": "^2.1.4",
                 "@types/node": "^22.13.4",
                 "@types/response-time": "^2.3.8",
@@ -78,6 +80,19 @@
                 "vitest": "^3.0.6"
             }
         },
+        "backend/node_modules/globals": {
+            "version": "15.15.0",
+            "resolved": "https://registry.npmjs.org/globals/-/globals-15.15.0.tgz",
+            "integrity": "sha512-7ACyT3wmyp3I61S4fG682L0VA2RGD9otkqGJIwNUMF1SWUombIIk+af1unuDYgMm082aHYwD+mzJvv9Iu8dsgg==",
+            "dev": true,
+            "license": "MIT",
+            "engines": {
+                "node": ">=18"
+            },
+            "funding": {
+                "url": "https://github.com/sponsors/sindresorhus"
+            }
+        },
         "common": {
             "name": "@dwengo-1/common",
             "version": "0.2.0"
@@ -753,9 +768,9 @@
             }
         },
         "node_modules/@codemirror/search": {
-            "version": "6.5.10",
+            "version": "6.5.11",
-            "resolved": "https://registry.npmjs.org/@codemirror/search/-/search-6.5.10.tgz",
+            "resolved": "https://registry.npmjs.org/@codemirror/search/-/search-6.5.11.tgz",
-            "integrity": "sha512-RMdPdmsrUf53pb2VwflKGHEe1XVM07hI7vV2ntgw1dmqhimpatSJKva4VA9h4TLUDOD4EIF02201oZurpnEFsg==",
+            "integrity": "sha512-KmWepDE6jUdL6n8cAAqIpRmLPBZ5ZKnicE8oGU/s3QrAVID+0VhLFrzUucVKHG5035/BSykhExDL/Xm7dHthiA==",
             "license": "MIT",
             "dependencies": {
                 "@codemirror/state": "^6.0.0",
@@ -1492,9 +1507,9 @@
             }
         },
         "node_modules/@eslint/core": {
-            "version": "0.13.0",
+            "version": "0.14.0",
-            "resolved": "https://registry.npmjs.org/@eslint/core/-/core-0.13.0.tgz",
+            "resolved": "https://registry.npmjs.org/@eslint/core/-/core-0.14.0.tgz",
-            "integrity": "sha512-yfkgDw1KR66rkT5A8ci4irzDysN7FRpq3ttJolR88OqQikAWqwA8j5VZyas+vjyBNFIJ7MfybJ9plMILI2UrCw==",
+            "integrity": "sha512-qIbV0/JZr7iSDjqAc60IqbLdsj9GDt16xQtWD+B78d/HAlvysGdZZ6rpJHGAc2T0FQx1X6thsSPdnoiGKdNtdg==",
             "dev": true,
             "license": "Apache-2.0",
             "dependencies": {
@@ -1539,19 +1554,6 @@
                 "concat-map": "0.0.1"
             }
         },
-        "node_modules/@eslint/eslintrc/node_modules/globals": {
-            "version": "14.0.0",
-            "resolved": "https://registry.npmjs.org/globals/-/globals-14.0.0.tgz",
-            "integrity": "sha512-oahGvuMGQlPw/ivIYBjVSrWAfWLBeku5tpPE2fOPLi+WHffIWbuh2tCjhyQhTBPMf5E9jDEH4FOmTYgYwbKwtQ==",
-            "dev": true,
-            "license": "MIT",
-            "engines": {
-                "node": ">=18"
-            },
-            "funding": {
-                "url": "https://github.com/sponsors/sindresorhus"
-            }
-        },
         "node_modules/@eslint/eslintrc/node_modules/ignore": {
             "version": "5.3.2",
             "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.2.tgz",
@@ -1576,13 +1578,16 @@
             }
         },
         "node_modules/@eslint/js": {
-            "version": "9.26.0",
+            "version": "9.27.0",
-            "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.26.0.tgz",
+            "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.27.0.tgz",
-            "integrity": "sha512-I9XlJawFdSMvWjDt6wksMCrgns5ggLNfFwFvnShsleWruvXM514Qxk8V246efTw+eo9JABvVz+u3q2RiAowKxQ==",
+            "integrity": "sha512-G5JD9Tu5HJEu4z2Uo4aHY2sLV64B7CDMXxFzqzjl3NKd6RVzSXNoE80jk7Y0lJkTTkjiIhBAqmlYwjuBY3tvpA==",
             "dev": true,
             "license": "MIT",
             "engines": {
                 "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+            },
+            "funding": {
+                "url": "https://eslint.org/donate"
             }
         },
         "node_modules/@eslint/object-schema": {
@@ -1596,13 +1601,13 @@
             }
         },
         "node_modules/@eslint/plugin-kit": {
-            "version": "0.2.8",
+            "version": "0.3.1",
-            "resolved": "https://registry.npmjs.org/@eslint/plugin-kit/-/plugin-kit-0.2.8.tgz",
+            "resolved": "https://registry.npmjs.org/@eslint/plugin-kit/-/plugin-kit-0.3.1.tgz",
-            "integrity": "sha512-ZAoA40rNMPwSm+AeHpCq8STiNAwzWLJuP8Xv4CHIc9wv/PSuExjMrmjfYNj682vW0OOiZ1HKxzvjQr9XZIisQA==",
+            "integrity": "sha512-0J+zgWxHN+xXONWIyPWKFMgVuJoZuGiIFu8yxk7RJjxkzpGmyja5wRFqZIVtjDVOQpV+Rw0iOAjYPE2eQyjr0w==",
             "dev": true,
             "license": "Apache-2.0",
             "dependencies": {
-                "@eslint/core": "^0.13.0",
+                "@eslint/core": "^0.14.0",
                 "levn": "^0.4.1"
             },
             "engines": {
@@ -2075,28 +2080,6 @@
                 "@mikro-orm/core": "^6.0.0"
             }
         },
-        "node_modules/@modelcontextprotocol/sdk": {
-            "version": "1.11.2",
-            "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.11.2.tgz",
-            "integrity": "sha512-H9vwztj5OAqHg9GockCQC06k1natgcxWQSRpQcPJf6i5+MWBzfKkRtxGbjQf0X2ihii0ffLZCRGbYV2f2bjNCQ==",
-            "dev": true,
-            "license": "MIT",
-            "dependencies": {
-                "content-type": "^1.0.5",
-                "cors": "^2.8.5",
-                "cross-spawn": "^7.0.3",
-                "eventsource": "^3.0.2",
-                "express": "^5.0.1",
-                "express-rate-limit": "^7.5.0",
-                "pkce-challenge": "^5.0.0",
-                "raw-body": "^3.0.0",
-                "zod": "^3.23.8",
-                "zod-to-json-schema": "^3.24.1"
-            },
-            "engines": {
-                "node": ">=18"
-            }
-        },
         "node_modules/@napi-rs/snappy-android-arm-eabi": {
             "version": "7.2.2",
             "resolved": "https://registry.npmjs.org/@napi-rs/snappy-android-arm-eabi/-/snappy-android-arm-eabi-7.2.2.tgz",
@@ -3107,6 +3090,16 @@
                 "@types/node": "*"
             }
         },
+        "node_modules/@types/memjs": {
+            "version": "1.3.3",
+            "resolved": "https://registry.npmjs.org/@types/memjs/-/memjs-1.3.3.tgz",
+            "integrity": "sha512-OqZuZ2T0ErrygA/WUqQjmsB1GpxAt84OCgKPKbsSWwYKA/oe/lTiqvqMgFOv/Ngl8p+nytgdhrdxJtikOgimCg==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "@types/node": "*"
+            }
+        },
         "node_modules/@types/mime": {
             "version": "1.3.5",
             "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.5.tgz",
@@ -3127,9 +3120,9 @@
             "license": "MIT"
         },
         "node_modules/@types/node": {
-            "version": "22.15.17",
+            "version": "22.15.18",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-22.15.17.tgz",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-22.15.18.tgz",
-            "integrity": "sha512-wIX2aSZL5FE+MR0JlvF87BNVrtFWf6AE6rxSE9X7OwnVvoyCQjpzSRJ+M87se/4QCkCiebQAqrJ0y6fwIyi7nw==",
+            "integrity": "sha512-v1DKRfUdyW+jJhZNEI1PYy29S2YRxMV5AOO/x/SjKmW0acCIOqmbj6Haf9eHAhsPmrhlHSxEhv/1WszcLWV4cg==",
             "license": "MIT",
             "dependencies": {
                 "undici-types": "~6.21.0"
@@ -3611,30 +3604,30 @@
             }
         },
         "node_modules/@volar/language-core": {
-            "version": "2.4.13",
+            "version": "2.4.14",
-            "resolved": "https://registry.npmjs.org/@volar/language-core/-/language-core-2.4.13.tgz",
+            "resolved": "https://registry.npmjs.org/@volar/language-core/-/language-core-2.4.14.tgz",
-            "integrity": "sha512-MnQJ7eKchJx5Oz+YdbqyFUk8BN6jasdJv31n/7r6/WwlOOv7qzvot6B66887l2ST3bUW4Mewml54euzpJWA6bg==",
+            "integrity": "sha512-X6beusV0DvuVseaOEy7GoagS4rYHgDHnTrdOj5jeUb49fW5ceQyP9Ej5rBhqgz2wJggl+2fDbbojq1XKaxDi6w==",
             "dev": true,
             "license": "MIT",
             "dependencies": {
-                "@volar/source-map": "2.4.13"
+                "@volar/source-map": "2.4.14"
             }
         },
         "node_modules/@volar/source-map": {
-            "version": "2.4.13",
+            "version": "2.4.14",
-            "resolved": "https://registry.npmjs.org/@volar/source-map/-/source-map-2.4.13.tgz",
+            "resolved": "https://registry.npmjs.org/@volar/source-map/-/source-map-2.4.14.tgz",
-            "integrity": "sha512-l/EBcc2FkvHgz2ZxV+OZK3kMSroMr7nN3sZLF2/f6kWW66q8+tEL4giiYyFjt0BcubqJhBt6soYIrAPhg/Yr+Q==",
+            "integrity": "sha512-5TeKKMh7Sfxo8021cJfmBzcjfY1SsXsPMMjMvjY7ivesdnybqqS+GxGAoXHAOUawQTwtdUxgP65Im+dEmvWtYQ==",
             "dev": true,
             "license": "MIT"
         },
         "node_modules/@volar/typescript": {
-            "version": "2.4.13",
+            "version": "2.4.14",
-            "resolved": "https://registry.npmjs.org/@volar/typescript/-/typescript-2.4.13.tgz",
+            "resolved": "https://registry.npmjs.org/@volar/typescript/-/typescript-2.4.14.tgz",
-            "integrity": "sha512-Ukz4xv84swJPupZeoFsQoeJEOm7U9pqsEnaGGgt5ni3SCTa22m8oJP5Nng3Wed7Uw5RBELdLxxORX8YhJPyOgQ==",
+            "integrity": "sha512-p8Z6f/bZM3/HyCdRNFZOEEzts51uV8WHeN8Tnfnm2EBv6FDB2TQLzfVx7aJvnl8ofKAOnS64B2O8bImBFaauRw==",
             "dev": true,
             "license": "MIT",
             "dependencies": {
-                "@volar/language-core": "2.4.13",
+                "@volar/language-core": "2.4.14",
                 "path-browserify": "^1.0.1",
                 "vscode-uri": "^3.0.8"
             }
@@ -3693,16 +3686,16 @@
             }
         },
         "node_modules/@vue/compiler-core": {
-            "version": "3.5.13",
+            "version": "3.5.14",
-            "resolved": "https://registry.npmjs.org/@vue/compiler-core/-/compiler-core-3.5.13.tgz",
+            "resolved": "https://registry.npmjs.org/@vue/compiler-core/-/compiler-core-3.5.14.tgz",
-            "integrity": "sha512-oOdAkwqUfW1WqpwSYJce06wvt6HljgY3fGeM9NcVA1HaYOij3mZG9Rkysn0OHuyUAGMbEbARIpsG+LPVlBJ5/Q==",
+            "integrity": "sha512-k7qMHMbKvoCXIxPhquKQVw3Twid3Kg4s7+oYURxLGRd56LiuHJVrvFKI4fm2AM3c8apqODPfVJGoh8nePbXMRA==",
             "license": "MIT",
             "dependencies": {
-                "@babel/parser": "^7.25.3",
+                "@babel/parser": "^7.27.2",
-                "@vue/shared": "3.5.13",
+                "@vue/shared": "3.5.14",
                 "entities": "^4.5.0",
                 "estree-walker": "^2.0.2",
-                "source-map-js": "^1.2.0"
+                "source-map-js": "^1.2.1"
             }
         },
         "node_modules/@vue/compiler-core/node_modules/entities": {
@@ -3718,40 +3711,40 @@
             }
         },
         "node_modules/@vue/compiler-dom": {
-            "version": "3.5.13",
+            "version": "3.5.14",
-            "resolved": "https://registry.npmjs.org/@vue/compiler-dom/-/compiler-dom-3.5.13.tgz",
+            "resolved": "https://registry.npmjs.org/@vue/compiler-dom/-/compiler-dom-3.5.14.tgz",
-            "integrity": "sha512-ZOJ46sMOKUjO3e94wPdCzQ6P1Lx/vhp2RSvfaab88Ajexs0AHeV0uasYhi99WPaogmBlRHNRuly8xV75cNTMDA==",
+            "integrity": "sha512-1aOCSqxGOea5I80U2hQJvXYpPm/aXo95xL/m/mMhgyPUsKe9jhjwWpziNAw7tYRnbz1I61rd9Mld4W9KmmRoug==",
             "license": "MIT",
             "dependencies": {
-                "@vue/compiler-core": "3.5.13",
+                "@vue/compiler-core": "3.5.14",
-                "@vue/shared": "3.5.13"
+                "@vue/shared": "3.5.14"
             }
         },
         "node_modules/@vue/compiler-sfc": {
-            "version": "3.5.13",
+            "version": "3.5.14",
-            "resolved": "https://registry.npmjs.org/@vue/compiler-sfc/-/compiler-sfc-3.5.13.tgz",
+            "resolved": "https://registry.npmjs.org/@vue/compiler-sfc/-/compiler-sfc-3.5.14.tgz",
-            "integrity": "sha512-6VdaljMpD82w6c2749Zhf5T9u5uLBWKnVue6XWxprDobftnletJ8+oel7sexFfM3qIxNmVE7LSFGTpv6obNyaQ==",
+            "integrity": "sha512-9T6m/9mMr81Lj58JpzsiSIjBgv2LiVoWjIVa7kuXHICUi8LiDSIotMpPRXYJsXKqyARrzjT24NAwttrMnMaCXA==",
             "license": "MIT",
             "dependencies": {
-                "@babel/parser": "^7.25.3",
+                "@babel/parser": "^7.27.2",
-                "@vue/compiler-core": "3.5.13",
+                "@vue/compiler-core": "3.5.14",
-                "@vue/compiler-dom": "3.5.13",
+                "@vue/compiler-dom": "3.5.14",
-                "@vue/compiler-ssr": "3.5.13",
+                "@vue/compiler-ssr": "3.5.14",
-                "@vue/shared": "3.5.13",
+                "@vue/shared": "3.5.14",
                 "estree-walker": "^2.0.2",
-                "magic-string": "^0.30.11",
+                "magic-string": "^0.30.17",
-                "postcss": "^8.4.48",
+                "postcss": "^8.5.3",
-                "source-map-js": "^1.2.0"
+                "source-map-js": "^1.2.1"
             }
         },
         "node_modules/@vue/compiler-ssr": {
-            "version": "3.5.13",
+            "version": "3.5.14",
-            "resolved": "https://registry.npmjs.org/@vue/compiler-ssr/-/compiler-ssr-3.5.13.tgz",
+            "resolved": "https://registry.npmjs.org/@vue/compiler-ssr/-/compiler-ssr-3.5.14.tgz",
-            "integrity": "sha512-wMH6vrYHxQl/IybKJagqbquvxpWCuVYpoUJfCqFZwa/JY1GdATAQ+TgVtgrwwMZ0D07QhA99rs/EAAWfvG6KpA==",
+            "integrity": "sha512-Y0G7PcBxr1yllnHuS/NxNCSPWnRGH4Ogrp0tsLA5QemDZuJLs99YjAKQ7KqkHE0vCg4QTKlQzXLKCMF7WPSl7Q==",
             "license": "MIT",
             "dependencies": {
-                "@vue/compiler-dom": "3.5.13",
+                "@vue/compiler-dom": "3.5.14",
-                "@vue/shared": "3.5.13"
+                "@vue/shared": "3.5.14"
             }
         },
         "node_modules/@vue/compiler-vue2": {
@@ -3882,53 +3875,53 @@
             }
         },
         "node_modules/@vue/reactivity": {
-            "version": "3.5.13",
+            "version": "3.5.14",
-            "resolved": "https://registry.npmjs.org/@vue/reactivity/-/reactivity-3.5.13.tgz",
+            "resolved": "https://registry.npmjs.org/@vue/reactivity/-/reactivity-3.5.14.tgz",
-            "integrity": "sha512-NaCwtw8o48B9I6L1zl2p41OHo/2Z4wqYGGIK1Khu5T7yxrn+ATOixn/Udn2m+6kZKB/J7cuT9DbWWhRxqixACg==",
+            "integrity": "sha512-7cK1Hp343Fu/SUCCO52vCabjvsYu7ZkOqyYu7bXV9P2yyfjUMUXHZafEbq244sP7gf+EZEz+77QixBTuEqkQQw==",
             "license": "MIT",
             "dependencies": {
-                "@vue/shared": "3.5.13"
+                "@vue/shared": "3.5.14"
             }
         },
         "node_modules/@vue/runtime-core": {
-            "version": "3.5.13",
+            "version": "3.5.14",
-            "resolved": "https://registry.npmjs.org/@vue/runtime-core/-/runtime-core-3.5.13.tgz",
+            "resolved": "https://registry.npmjs.org/@vue/runtime-core/-/runtime-core-3.5.14.tgz",
-            "integrity": "sha512-Fj4YRQ3Az0WTZw1sFe+QDb0aXCerigEpw418pw1HBUKFtnQHWzwojaukAs2X/c9DQz4MQ4bsXTGlcpGxU/RCIw==",
+            "integrity": "sha512-w9JWEANwHXNgieAhxPpEpJa+0V5G0hz3NmjAZwlOebtfKyp2hKxKF0+qSh0Xs6/PhfGihuSdqMprMVcQU/E6ag==",
             "license": "MIT",
             "dependencies": {
-                "@vue/reactivity": "3.5.13",
+                "@vue/reactivity": "3.5.14",
-                "@vue/shared": "3.5.13"
+                "@vue/shared": "3.5.14"
             }
         },
         "node_modules/@vue/runtime-dom": {
-            "version": "3.5.13",
+            "version": "3.5.14",
-            "resolved": "https://registry.npmjs.org/@vue/runtime-dom/-/runtime-dom-3.5.13.tgz",
+            "resolved": "https://registry.npmjs.org/@vue/runtime-dom/-/runtime-dom-3.5.14.tgz",
-            "integrity": "sha512-dLaj94s93NYLqjLiyFzVs9X6dWhTdAlEAciC3Moq7gzAc13VJUdCnjjRurNM6uTLFATRHexHCTu/Xp3eW6yoog==",
+            "integrity": "sha512-lCfR++IakeI35TVR80QgOelsUIdcKjd65rWAMfdSlCYnaEY5t3hYwru7vvcWaqmrK+LpI7ZDDYiGU5V3xjMacw==",
             "license": "MIT",
             "dependencies": {
-                "@vue/reactivity": "3.5.13",
+                "@vue/reactivity": "3.5.14",
-                "@vue/runtime-core": "3.5.13",
+                "@vue/runtime-core": "3.5.14",
-                "@vue/shared": "3.5.13",
+                "@vue/shared": "3.5.14",
                 "csstype": "^3.1.3"
             }
         },
         "node_modules/@vue/server-renderer": {
-            "version": "3.5.13",
+            "version": "3.5.14",
-            "resolved": "https://registry.npmjs.org/@vue/server-renderer/-/server-renderer-3.5.13.tgz",
+            "resolved": "https://registry.npmjs.org/@vue/server-renderer/-/server-renderer-3.5.14.tgz",
-            "integrity": "sha512-wAi4IRJV/2SAW3htkTlB+dHeRmpTiVIK1OGLWV1yeStVSebSQQOwGwIq0D3ZIoBj2C2qpgz5+vX9iEBkTdk5YA==",
+            "integrity": "sha512-Rf/ISLqokIvcySIYnv3tNWq40PLpNLDLSJwwVWzG6MNtyIhfbcrAxo5ZL9nARJhqjZyWWa40oRb2IDuejeuv6w==",
             "license": "MIT",
             "dependencies": {
-                "@vue/compiler-ssr": "3.5.13",
+                "@vue/compiler-ssr": "3.5.14",
-                "@vue/shared": "3.5.13"
+                "@vue/shared": "3.5.14"
             },
             "peerDependencies": {
-                "vue": "3.5.13"
+                "vue": "3.5.14"
             }
         },
         "node_modules/@vue/shared": {
-            "version": "3.5.13",
+            "version": "3.5.14",
-            "resolved": "https://registry.npmjs.org/@vue/shared/-/shared-3.5.13.tgz",
+            "resolved": "https://registry.npmjs.org/@vue/shared/-/shared-3.5.14.tgz",
-            "integrity": "sha512-/hnE/qP5ZoGpol0a5mDi45bOd7t3tjYJBjsgCsivow7D48cJeV5l05RD82lPqi7gRiphZM37rnhW1l6ZoCNNnQ==",
+            "integrity": "sha512-oXTwNxVfc9EtP1zzXAlSlgARLXNC84frFYkS0HHz0h3E4WZSP9sywqjqzGCP9Y34M8ipNmd380pVgmMuwELDyQ==",
             "license": "MIT"
         },
         "node_modules/@vue/test-utils": {
@@ -3962,14 +3955,14 @@
             }
         },
         "node_modules/@vueuse/core": {
-            "version": "13.1.0",
+            "version": "13.2.0",
-            "resolved": "https://registry.npmjs.org/@vueuse/core/-/core-13.1.0.tgz",
+            "resolved": "https://registry.npmjs.org/@vueuse/core/-/core-13.2.0.tgz",
-            "integrity": "sha512-PAauvdRXZvTWXtGLg8cPUFjiZEddTqmogdwYpnn60t08AA5a8Q4hZokBnpTOnVNqySlFlTcRYIC8OqreV4hv3Q==",
+            "integrity": "sha512-n5TZoIAxbWAQ3PqdVPDzLgIRQOujFfMlatdI+f7ditSmoEeNpPBvp7h2zamzikCmrhFIePAwdEQB6ENccHr7Rg==",
             "license": "MIT",
             "dependencies": {
                 "@types/web-bluetooth": "^0.0.21",
-                "@vueuse/metadata": "13.1.0",
+                "@vueuse/metadata": "13.2.0",
-                "@vueuse/shared": "13.1.0"
+                "@vueuse/shared": "13.2.0"
             },
             "funding": {
                 "url": "https://github.com/sponsors/antfu"
@@ -3979,18 +3972,18 @@
             }
         },
         "node_modules/@vueuse/metadata": {
-            "version": "13.1.0",
+            "version": "13.2.0",
-            "resolved": "https://registry.npmjs.org/@vueuse/metadata/-/metadata-13.1.0.tgz",
+            "resolved": "https://registry.npmjs.org/@vueuse/metadata/-/metadata-13.2.0.tgz",
-            "integrity": "sha512-+TDd7/a78jale5YbHX9KHW3cEDav1lz1JptwDvep2zSG8XjCsVE+9mHIzjTOaPbHUAk5XiE4jXLz51/tS+aKQw==",
+            "integrity": "sha512-kPpzuQCU0+D8DZCzK0iPpIcXI+6ufWSgwnjJ6//GNpEn+SHViaCtR+XurzORChSgvpHO9YC8gGM97Y1kB+UabA==",
             "license": "MIT",
             "funding": {
                 "url": "https://github.com/sponsors/antfu"
             }
         },
         "node_modules/@vueuse/shared": {
-            "version": "13.1.0",
+            "version": "13.2.0",
-            "resolved": "https://registry.npmjs.org/@vueuse/shared/-/shared-13.1.0.tgz",
+            "resolved": "https://registry.npmjs.org/@vueuse/shared/-/shared-13.2.0.tgz",
-            "integrity": "sha512-IVS/qRRjhPTZ6C2/AM3jieqXACGwFZwWTdw5sNTSKk2m/ZpkuuN+ri+WCVUP8TqaKwJYt/KuMwmXspMAw8E6ew==",
+            "integrity": "sha512-vx9ZPDF5HcU9up3Jgt3G62dMUfZEdk6tLyBAHYAG4F4n73vpaA7J5hdncDI/lS9Vm7GA/FPlbOmh9TrDZROTpg==",
             "license": "MIT",
             "funding": {
                 "url": "https://github.com/sponsors/antfu"
@@ -5448,9 +5441,9 @@
             "license": "MIT"
         },
         "node_modules/electron-to-chromium": {
-            "version": "1.5.152",
+            "version": "1.5.155",
-            "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.152.tgz",
+            "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.155.tgz",
-            "integrity": "sha512-xBOfg/EBaIlVsHipHl2VdTPJRSvErNUaqW8ejTq5OlOlIYx1wOllCHsAvAIrr55jD1IYEfdR86miUEt8H5IeJg==",
+            "integrity": "sha512-ps5KcGGmwL8VaeJlvlDlu4fORQpv3+GIcF5I3f9tUKUlJ/wsysh6HU8P5L1XWRYeXfA0oJd4PyM8ds8zTFf6Ng==",
             "dev": true,
             "license": "ISC"
         },
@@ -5656,9 +5649,9 @@
             }
         },
         "node_modules/eslint": {
-            "version": "9.26.0",
+            "version": "9.27.0",
-            "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.26.0.tgz",
+            "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.27.0.tgz",
-            "integrity": "sha512-Hx0MOjPh6uK9oq9nVsATZKE/Wlbai7KFjfCuw9UHaguDW3x+HF0O5nIi3ud39TWgrTjTO5nHxmL3R1eANinWHQ==",
+            "integrity": "sha512-ixRawFQuMB9DZ7fjU3iGGganFDp3+45bPOdaRurcFHSXO1e/sYwUX/FtQZpLZJR6SjMoJH8hR2pPEAfDyCoU2Q==",
             "dev": true,
             "license": "MIT",
             "dependencies": {
@@ -5666,14 +5659,13 @@
                 "@eslint-community/regexpp": "^4.12.1",
                 "@eslint/config-array": "^0.20.0",
                 "@eslint/config-helpers": "^0.2.1",
-                "@eslint/core": "^0.13.0",
+                "@eslint/core": "^0.14.0",
                 "@eslint/eslintrc": "^3.3.1",
-                "@eslint/js": "9.26.0",
+                "@eslint/js": "9.27.0",
-                "@eslint/plugin-kit": "^0.2.8",
+                "@eslint/plugin-kit": "^0.3.1",
                 "@humanfs/node": "^0.16.6",
                 "@humanwhocodes/module-importer": "^1.0.1",
                 "@humanwhocodes/retry": "^0.4.2",
-                "@modelcontextprotocol/sdk": "^1.8.0",
                 "@types/estree": "^1.0.6",
                 "@types/json-schema": "^7.0.15",
                 "ajv": "^6.12.4",
@@ -5697,8 +5689,7 @@
                 "lodash.merge": "^4.6.2",
                 "minimatch": "^3.1.2",
                 "natural-compare": "^1.4.0",
-                "optionator": "^0.9.3",
+                "optionator": "^0.9.3"
-                "zod": "^3.24.2"
             },
             "bin": {
                 "eslint": "bin/eslint.js"
@@ -6105,29 +6096,6 @@
                 "node": ">= 0.6"
             }
         },
-        "node_modules/eventsource": {
-            "version": "3.0.7",
-            "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-3.0.7.tgz",
-            "integrity": "sha512-CRT1WTyuQoD771GW56XEZFQ/ZoSfWid1alKGDYMmkt2yl8UXrVR4pspqWNEcqKvVIzg6PAltWjxcSSPrboA4iA==",
-            "dev": true,
-            "license": "MIT",
-            "dependencies": {
-                "eventsource-parser": "^3.0.1"
-            },
-            "engines": {
-                "node": ">=18.0.0"
-            }
-        },
-        "node_modules/eventsource-parser": {
-            "version": "3.0.1",
-            "resolved": "https://registry.npmjs.org/eventsource-parser/-/eventsource-parser-3.0.1.tgz",
-            "integrity": "sha512-VARTJ9CYeuQYb0pZEPbzi740OWFgpHe7AYJ2WFZVnUDUQp5Dk2yJUgF36YsZ81cOyxT0QxmXD2EQpapAouzWVA==",
-            "dev": true,
-            "license": "MIT",
-            "engines": {
-                "node": ">=18.0.0"
-            }
-        },
         "node_modules/execa": {
             "version": "9.5.3",
             "resolved": "https://registry.npmjs.org/execa/-/execa-9.5.3.tgz",
@@ -6242,22 +6210,6 @@
                 "node": ">= 8.0.0"
             }
         },
-        "node_modules/express-rate-limit": {
-            "version": "7.5.0",
-            "resolved": "https://registry.npmjs.org/express-rate-limit/-/express-rate-limit-7.5.0.tgz",
-            "integrity": "sha512-eB5zbQh5h+VenMPM3fh+nw1YExi5nMr6HUCR62ELSP11huvxm/Uir1H1QEyTkk5QX6A58pX6NmaTMceKZ0Eodg==",
-            "dev": true,
-            "license": "MIT",
-            "engines": {
-                "node": ">= 16"
-            },
-            "funding": {
-                "url": "https://github.com/sponsors/express-rate-limit"
-            },
-            "peerDependencies": {
-                "express": "^4.11 || 5 || ^5.0.0-beta.1"
-            }
-        },
         "node_modules/express-unless": {
             "version": "2.1.3",
             "resolved": "https://registry.npmjs.org/express-unless/-/express-unless-2.1.3.tgz",
@@ -6861,9 +6813,9 @@
             }
         },
         "node_modules/globals": {
-            "version": "15.15.0",
+            "version": "14.0.0",
-            "resolved": "https://registry.npmjs.org/globals/-/globals-15.15.0.tgz",
+            "resolved": "https://registry.npmjs.org/globals/-/globals-14.0.0.tgz",
-            "integrity": "sha512-7ACyT3wmyp3I61S4fG682L0VA2RGD9otkqGJIwNUMF1SWUombIIk+af1unuDYgMm082aHYwD+mzJvv9Iu8dsgg==",
+            "integrity": "sha512-oahGvuMGQlPw/ivIYBjVSrWAfWLBeku5tpPE2fOPLi+WHffIWbuh2tCjhyQhTBPMf5E9jDEH4FOmTYgYwbKwtQ==",
             "dev": true,
             "license": "MIT",
             "engines": {
@@ -8354,6 +8306,15 @@
                 "node": ">= 0.8"
             }
         },
+        "node_modules/memjs": {
+            "version": "1.3.2",
+            "resolved": "https://registry.npmjs.org/memjs/-/memjs-1.3.2.tgz",
+            "integrity": "sha512-qUEg2g8vxPe+zPn09KidjIStHPtoBO8Cttm8bgJFWWabbsjQ9Av9Ky+6UcvKx6ue0LLb/LEhtcyQpRyKfzeXcg==",
+            "license": "MIT",
+            "engines": {
+                "node": ">=0.10.0"
+            }
+        },
         "node_modules/memoize-one": {
             "version": "6.0.0",
             "resolved": "https://registry.npmjs.org/memoize-one/-/memoize-one-6.0.0.tgz",
@@ -9504,16 +9465,6 @@
                 "node": ">=0.10"
             }
         },
-        "node_modules/pkce-challenge": {
-            "version": "5.0.0",
-            "resolved": "https://registry.npmjs.org/pkce-challenge/-/pkce-challenge-5.0.0.tgz",
-            "integrity": "sha512-ueGLflrrnvwB3xuo/uGob5pd5FN7l0MsLf0Z87o/UQmRtwjvfylfc9MurIxRAWywCYTgrvpXBcqjV4OfCYGCIQ==",
-            "dev": true,
-            "license": "MIT",
-            "engines": {
-                "node": ">=16.20.0"
-            }
-        },
         "node_modules/playwright": {
             "version": "1.50.1",
             "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.50.1.tgz",
@@ -9759,9 +9710,9 @@
             "license": "ISC"
         },
         "node_modules/protobufjs": {
-            "version": "7.5.1",
+            "version": "7.5.2",
-            "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.5.1.tgz",
+            "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.5.2.tgz",
-            "integrity": "sha512-3qx3IRjR9WPQKagdwrKjO3Gu8RgQR2qqw+1KnigWhoVjFqegIj1K3bP11sGqhxrO46/XL7lekuG4jmjL+4cLsw==",
+            "integrity": "sha512-f2ls6rpO6G153Cy+o2XQ+Y0sARLOZ17+OGVLHrc3VUKcLHYKEKWbkSujdBWQXM7gKn5NTfp0XnRPZn1MIu8n9w==",
             "hasInstallScript": true,
             "license": "BSD-3-Clause",
             "dependencies": {
@@ -10966,9 +10917,9 @@
             }
         },
         "node_modules/svelte": {
-            "version": "5.28.6",
+            "version": "5.30.1",
-            "resolved": "https://registry.npmjs.org/svelte/-/svelte-5.28.6.tgz",
+            "resolved": "https://registry.npmjs.org/svelte/-/svelte-5.30.1.tgz",
-            "integrity": "sha512-9qqr7mw8YR9PAnxGFfzCK6PUlNGtns7wVavrhnxyf3fpB1mP/Ol55Z2UnIapsSzNNl3k9qw7cZ22PdE8+xT/jQ==",
+            "integrity": "sha512-QIYtKnJGkubWXtNkrUBKVCvyo9gjcccdbnvXfwsGNhvbeNNdQjRDTa/BiQcJ2kWXbXPQbWKyT7CUu53KIj1rfw==",
             "license": "MIT",
             "dependencies": {
                 "@ampproject/remapping": "^2.3.0",
@@ -11093,13 +11044,13 @@
             "license": "MIT"
         },
         "node_modules/synckit": {
-            "version": "0.11.4",
+            "version": "0.11.5",
-            "resolved": "https://registry.npmjs.org/synckit/-/synckit-0.11.4.tgz",
+            "resolved": "https://registry.npmjs.org/synckit/-/synckit-0.11.5.tgz",
-            "integrity": "sha512-Q/XQKRaJiLiFIBNN+mndW7S/RHxvwzuZS6ZwmRzUBqJBv/5QIKCEwkBC8GBf8EQJKYnaFs0wOZbKTXBPj8L9oQ==",
+            "integrity": "sha512-frqvfWyDA5VPVdrWfH24uM6SI/O8NLpVbIIJxb8t/a3YGsp4AW9CYgSKC0OaSEfexnp7Y1pVh2Y6IHO8ggGDmA==",
             "dev": true,
             "license": "MIT",
             "dependencies": {
-                "@pkgr/core": "^0.2.3",
+                "@pkgr/core": "^0.2.4",
                 "tslib": "^2.8.1"
             },
             "engines": {
@@ -12118,16 +12069,16 @@
             "license": "MIT"
         },
         "node_modules/vue": {
-            "version": "3.5.13",
+            "version": "3.5.14",
-            "resolved": "https://registry.npmjs.org/vue/-/vue-3.5.13.tgz",
+            "resolved": "https://registry.npmjs.org/vue/-/vue-3.5.14.tgz",
-            "integrity": "sha512-wmeiSMxkZCSc+PM2w2VRsOYAZC8GdipNFRTsLSfodVqI9mbejKeXEGr8SckuLnrQPGe3oJN5c3K0vpoU9q/wCQ==",
+            "integrity": "sha512-LbOm50/vZFG6Mhy6KscQYXZMQ0LMCC/y40HDJPPvGFQ+i/lUH+PJHR6C3assgOQiXdl6tAfsXHbXYVBZZu65ew==",
             "license": "MIT",
             "dependencies": {
-                "@vue/compiler-dom": "3.5.13",
+                "@vue/compiler-dom": "3.5.14",
-                "@vue/compiler-sfc": "3.5.13",
+                "@vue/compiler-sfc": "3.5.14",
-                "@vue/runtime-dom": "3.5.13",
+                "@vue/runtime-dom": "3.5.14",
-                "@vue/server-renderer": "3.5.13",
+                "@vue/server-renderer": "3.5.14",
-                "@vue/shared": "3.5.13"
+                "@vue/shared": "3.5.14"
             },
             "peerDependencies": {
                 "typescript": "*"
@@ -12262,9 +12213,9 @@
             }
         },
         "node_modules/vuetify": {
-            "version": "3.8.4",
+            "version": "3.8.5",
-            "resolved": "https://registry.npmjs.org/vuetify/-/vuetify-3.8.4.tgz",
+            "resolved": "https://registry.npmjs.org/vuetify/-/vuetify-3.8.5.tgz",
-            "integrity": "sha512-hfA1eqA6vhrF5LF8Yfk0uHdNUmh8Uckxn5wREiThO82HW/9Vfreh+IpxPgEtCsAhV33KW+NVamltQCu3HczRKw==",
+            "integrity": "sha512-W/mTaNDyO6NRqAQmnkMUn9TYvRb//BPF/vk7h3+2xNJOyI9ev90JmYjrihOtb+6QDrB79wVUH0Y+0OjYK73GsA==",
             "license": "MIT",
             "engines": {
                 "node": "^12.20 || >=14.13"
@@ -12819,26 +12770,6 @@
             "resolved": "https://registry.npmjs.org/zimmerframe/-/zimmerframe-1.1.2.tgz",
             "integrity": "sha512-rAbqEGa8ovJy4pyBxZM70hg4pE6gDgaQ0Sl9M3enG3I0d6H4XSAM3GeNGLKnsBpuijUow064sf7ww1nutC5/3w==",
             "license": "MIT"
-        },
-        "node_modules/zod": {
-            "version": "3.24.4",
-            "resolved": "https://registry.npmjs.org/zod/-/zod-3.24.4.tgz",
-            "integrity": "sha512-OdqJE9UDRPwWsrHjLN2F8bPxvwJBK22EHLWtanu0LSYr5YqzsaaW3RMgmjwr8Rypg5k+meEJdSPXJZXE/yqOMg==",
-            "dev": true,
-            "license": "MIT",
-            "funding": {
-                "url": "https://github.com/sponsors/colinhacks"
-            }
-        },
-        "node_modules/zod-to-json-schema": {
-            "version": "3.24.5",
-            "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.24.5.tgz",
-            "integrity": "sha512-/AuWwMP+YqiPbsJx5D6TfgRTc4kTLjsh5SOcd4bLsfUg2RcEXrFMJl1DGgdHy2aCfsIA/cr/1JM0xcB2GZji8g==",
-            "dev": true,
-            "license": "ISC",
-            "peerDependencies": {
-                "zod": "^3.24.1"
-            }
         }
     }
 }