Merge pull request #198 from SELab-2/test/linking

test: Linking backend en frontend voor unit tests

backend/.env.test

@@ -11,3 +11,10 @@ DWENGO_PORT=3000
 
 DWENGO_DB_NAME=":memory:"
 DWENGO_DB_UPDATE=true
+
+DWENGO_AUTH_STUDENT_URL=http://localhost:7080/realms/student
+DWENGO_AUTH_STUDENT_JWKS_ENDPOINT=http://localhost:7080/realms/student/protocol/openid-connect/certs
+DWENGO_AUTH_TEACHER_URL=http://localhost:7080/realms/teacher
+DWENGO_AUTH_TEACHER_JWKS_ENDPOINT=http://localhost:7080/realms/teacher/protocol/openid-connect/certs
+
+DWENGO_CORS_ALLOWED_ORIGINS=http://localhost:5173,http://localhost:3000

backend/package.json

@@ -7,7 +7,8 @@
     "main": "dist/app.js",
     "scripts": {
         "build": "cross-env NODE_ENV=production tsc --build",
-        "dev": "cross-env NODE_ENV=development tsx tool/seed.ts; tsx watch --env-file=.env.development.local src/app.ts",
+        "predev": "tsc --build ../common/tsconfig.json",
+        "dev": "cross-env NODE_ENV=development tsx tool/seed.ts && tsx watch --env-file=.env.development.local src/app.ts",
         "start": "cross-env NODE_ENV=production node --env-file=.env dist/app.js",
         "format": "prettier --write src/",
         "format-check": "prettier --check src/",

backend/src/logging/initalize.ts

@@ -26,13 +26,15 @@ function initializeLogger(): Logger {
 
     const consoleTransport = new transports.Console({
         level: getEnvVar(envVars.LogLevel),
-        format: format.combine(format.cli(), format.colorize()),
+        format: format.combine(format.cli(), format.simple()),
     });
 
     if (getEnvVar(envVars.RunMode) === 'dev') {
-        return createLogger({
+        logger = createLogger({
             transports: [consoleTransport],
         });
+        logger.debug(`Logger initialized with level ${logLevel} to console`);
+        return logger;
     }
 
     const lokiHost = getEnvVar(envVars.LokiHost);

backend/src/logging/mikroOrmLogger.ts

@@ -11,7 +11,7 @@ export class MikroOrmLogger extends DefaultLogger {
         };
 
         let message: string;
-        if (context?.label) {
+        if (context !== undefined && context.labels !== undefined) {
             message = `[${namespace}] (${context.label}) ${messageArg}`;
         } else {
             message = `[${namespace}] ${messageArg}`;

backend/tool/seed.ts

@@ -14,14 +14,12 @@ import { makeTestQuestions } from '../tests/test_assets/questions/questions.test
 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 } from '@mikro-orm/core';
+import { Collection, MikroORM } from '@mikro-orm/core';
 import { Group } from '../src/entities/assignments/group.entity';
 
 const logger: Logger = getLogger();
 
-export async function seedDatabase(): Promise<void> {
-    dotenv.config({ path: '.env.development.local' });
-    const orm = await initORM();
+export async function seedORM(orm: MikroORM): Promise<void> {
     await orm.schema.clearDatabase();
 
     const em = forkEntityManager();
@@ -68,8 +66,17 @@ export async function seedDatabase(): Promise<void> {
     ]);
 
     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);
 
     await orm.close();
 }
 
-seedDatabase().catch(logger.error);
+seedDatabase().catch((err) => {
+    logger.error(err);
+});

backend/tool/startTestApp.ts

@@ -0,0 +1,29 @@
+import express, { Express } from 'express';
+import { initORM } from '../src/orm.js';
+import apiRouter from '../src/routes/router.js';
+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';
+
+const envFile = '../.env.test';
+
+dotenv.config({ path: envFile });
+
+const app: Express = express();
+
+app.use(express.json());
+app.use(cors);
+app.use(authenticateUser);
+
+app.use('/api', apiRouter);
+app.use(errorHandler);
+
+async function startServer(): Promise<void> {
+    await seedORM(await initORM(true));
+
+    app.listen(9876);
+}
+
+await startServer();

frontend/package.json

@@ -10,14 +10,12 @@
         "preview": "vite preview",
         "type-check": "vue-tsc --build",
         "format": "prettier --write src/",
-        "test:e2e": "playwright test",
         "format-check": "prettier --check src/",
         "lint": "eslint . --fix",
-        "pretest:unit": "tsx ../docs/api/generate.ts && npm run build",
-        "test:unit": "vitest --run"
+        "test:unit": "vitest --run",
+        "test:e2e": "playwright test"
     },
     "dependencies": {
-        "@dwengo-1/common": "^0.1.1",
         "@tanstack/react-query": "^5.69.0",
         "@tanstack/vue-query": "^5.69.0",
         "axios": "^1.8.2",

frontend/src/config.ts

@@ -1,8 +1,24 @@
 export const apiConfig = {
-    baseUrl:
-        window.location.hostname === "localhost" && !(window.location.port === "80" || window.location.port === "")
-            ? "http://localhost:3000/api"
-            : window.location.origin + "/api",
+    baseUrl: ((): string => {
+        if (import.meta.env.MODE === "test") {
+            // TODO Remove hardcoding
+            return "http://localhost:9876/api";
+        }
+
+        if (import.meta.env.VITE_API_BASE_URL) {
+            return import.meta.env.VITE_API_BASE_URL;
+        }
+
+        if (
+            window.location.hostname === "localhost" &&
+            !(window.location.port === "80" || window.location.port === "")
+        ) {
+            return "http://localhost:3000/api";
+        }
+
+        // Fallback to the current origin with "/api" suffix
+        return `${window.location.origin}/api`;
+    })(),
 };
 
 export const loginRoute = "/login";

frontend/src/controllers/base-controller.ts

@@ -1,6 +1,7 @@
 import apiClient from "@/services/api-client/api-client.ts";
 import type { AxiosResponse, ResponseType } from "axios";
 import { HttpErrorResponseException } from "@/exception/http-error-response-exception.ts";
+import { apiConfig } from "@/config.ts";
 
 export abstract class BaseController {
     protected basePath: string;
@@ -16,9 +17,18 @@ export abstract class BaseController {
     }
 
     protected async get<T>(path: string, queryParams?: QueryParams, responseType?: ResponseType): Promise<T> {
-        const response = await apiClient.get<T>(this.absolutePathFor(path), { params: queryParams, responseType });
-        BaseController.assertSuccessResponse(response);
-        return response.data;
+        try {
+            const response = await apiClient.get<T>(this.absolutePathFor(path), { params: queryParams, responseType });
+            BaseController.assertSuccessResponse(response);
+            return response.data;
+        } catch (error) {
+            if (error instanceof HttpErrorResponseException) {
+                throw error;
+            }
+            throw new Error(
+                `An unexpected error occurred while fetching data from ${apiConfig.baseUrl}${this.absolutePathFor(path)}: ${error}`,
+            );
+        }
     }
 
     protected async post<T>(path: string, body: unknown, queryParams?: QueryParams): Promise<T> {

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

@@ -0,0 +1,19 @@
+import { StudentController } from "../../src/controllers/students";
+import { expect, it, describe, afterAll, beforeAll } from "vitest";
+import { setup, teardown } from "../setup-backend.js";
+
+describe("Test controller students", () => {
+    beforeAll(async () => {
+        await setup();
+    });
+
+    afterAll(async () => {
+        await teardown();
+    });
+
+    it("Get students", async () => {
+        const controller = new StudentController();
+        const data = await controller.getAll(true);
+        expect(data.students).to.have.length.greaterThan(0);
+    });
+});

frontend/tests/setup-backend.ts

@@ -0,0 +1,40 @@
+import { spawn } from "child_process";
+import { ChildProcess, spawnSync } from "node:child_process";
+
+let backendProcess: ChildProcess;
+
+async function waitForEndpoint(url: string, delay = 1000, retries = 60): Promise<void> {
+    try {
+        await fetch(url);
+    } catch {
+        // Endpoint is not ready yet
+        await new Promise((resolve) => setTimeout(resolve, delay));
+        // Retry
+        await waitForEndpoint(url, delay, retries - 1);
+    }
+}
+
+export async function setup(): Promise<void> {
+    // Precompile needed packages
+    spawnSync("npx", ["tsc", "--build", "tsconfig.json"], {
+        cwd: `../common`,
+    });
+
+    // Spin up the backend
+    backendProcess = spawn("npx", ["tsx", "--env-file=.env.test", "tool/startTestApp.ts"], {
+        cwd: `../backend`,
+        env: {
+            ...process.env,
+            NODE_ENV: "test",
+        },
+    });
+
+    // Wait until you can curl the backend
+    await waitForEndpoint("http://localhost:9876/api");
+}
+
+export async function teardown(): Promise<void> {
+    if (backendProcess) {
+        backendProcess.kill();
+    }
+}

frontend/vitest.config.ts

@@ -9,6 +9,13 @@ export default mergeConfig(
             environment: "jsdom",
             exclude: [...configDefaults.exclude, "e2e/**"],
             root: fileURLToPath(new URL("./", import.meta.url)),
+
+            /*
+             * The test-backend server can be started for each test-file individually using `beforeAll(() => setup())`,
+             * or for all tests once using:
+             globalSetup: ["./tests/setup-backend.ts"],
+             * In this project, the backend server is started for each test-file individually.
+             */
         },
     }),
 );