tdpeuter/2025SELab2-project-Dwengo
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test(backend): Testen voor DatabaseLearningPathProvider.fetchLearningPaths afgewerkt

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Hierbij optredende problemen opgelost.
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Gerald Schmittinger 2025-03-10 21:14:40 +01:00
parent 1f9e9ed70a
commit 7018a8822d
10 changed files with 139 additions and 32 deletions
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31
backend/tests/services/learning-objects/database-learning-path-provider.test.ts
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@ -6,6 +6,10 @@ import {getLearningObjectRepository, getLearningPathRepository} from "../../../s
import learningObjectExample from "../../test-assets/learning-objects/pn_werkingnotebooks/pn-werkingnotebooks-example";
import learningPathExample from "../../test-assets/learning-paths/pn-werking-example"
import databaseLearningPathProvider from "../../../src/services/learning-paths/database-learning-path-provider";
import {expectToBeCorrectLearningPath} from "../../test-utils/expectations";
import {LearningObjectRepository} from "../../../src/data/content/learning-object-repository";
import learningObjectService from "../../../src/services/learning-objects/learning-object-service";
import {Language} from "../../../src/entities/content/language";
async function initExampleData(): Promise<{ learningObject: LearningObject, learningPath: LearningPath }> {
const learningObjectRepo = getLearningObjectRepository();
@ -18,15 +22,17 @@ async function initExampleData(): Promise<{ learningObject: LearningObject, lear
}
describe("DatabaseLearningPathProvider", () => {
let learningObjectRepo: LearningObjectRepository;
let example: {learningObject: LearningObject, learningPath: LearningPath};
beforeAll(async () => {
await setupTestApp();
example = await initExampleData();
learningObjectRepo = getLearningObjectRepository();
});
describe("fetchLearningPaths", () => {
it("returns the learning path correctly", () => {
it("returns the learning path correctly", async () => {
const result = await databaseLearningPathProvider.fetchLearningPaths(
[example.learningPath.hruid],
example.learningPath.language,
@ -34,7 +40,26 @@ describe("DatabaseLearningPathProvider", () => {
);
expect(result.success).toBe(true);
expect(result.data?.length).toBe(1);
expect(result.data)
})
const learningObjectsOnPath = (await Promise.all(
example.learningPath.nodes.map(node =>
learningObjectService.getLearningObjectById({
hruid: node.learningObjectHruid,
version: node.version,
language: node.language
}))
)).filter(it => it !== null);
expectToBeCorrectLearningPath(result.data![0], example.learningPath, learningObjectsOnPath)
});
it("returns a non-successful response if a non-existing learning path is queried", async () => {
const result = await databaseLearningPathProvider.fetchLearningPaths(
[example.learningPath.hruid],
Language.Abkhazian, // wrong language
"the source"
);
expect(result.success).toBe(false);
});
});
});

9
backend/tests/test-assets/learning-paths/learning-path-utils.ts
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@ -1,21 +1,28 @@
import {Language} from "../../../src/entities/content/language";
import {LearningPathTransition} from "../../../src/entities/content/learning-path-transition.entity";
import {LearningPathNode} from "../../../src/entities/content/learning-path-node.entity";
import {LearningPath} from "../../../src/entities/content/learning-path.entity";
export function createLearningPathTransition(condition: string | null, to: LearningPathNode) {
export function createLearningPathTransition(node: LearningPathNode, transitionNumber: number, condition: string | null, to: LearningPathNode) {
let trans = new LearningPathTransition();
trans.node = node;
trans.transitionNumber = transitionNumber;
trans.condition = condition || "true";
trans.next = to;
return trans;
}
export function createLearningPathNode(
learningPath: LearningPath,
nodeNumber: number,
learningObjectHruid: string,
version: number,
language: Language,
startNode: boolean
) {
let node = new LearningPathNode();
node.learningPath = learningPath;
node.nodeNumber = nodeNumber;
node.learningObjectHruid = learningObjectHruid;
node.version = version;
node.language = language;

17
backend/tests/test-assets/learning-paths/pn-werking-example.ts
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@ -1,16 +1,17 @@
import {LearningPath, LearningPathNode} from "../../../src/entities/content/learning-path.entity";
import {LearningPath} from "../../../src/entities/content/learning-path.entity";
import {Language} from "../../../src/entities/content/language";
import {EnvVars, getEnvVar} from "../../../src/util/envvars";
import {createLearningPathNode, createLearningPathTransition} from "./learning-path-utils";
import {LearningPathNode} from "../../../src/entities/content/learning-path-node.entity";
function createNodes(): LearningPathNode[] {
function createNodes(learningPath: LearningPath): LearningPathNode[] {
let nodes = [
createLearningPathNode("u_pn_werkingnotebooks", 3, Language.Dutch, true),
createLearningPathNode("pn_werkingnotebooks2", 3, Language.Dutch, false),
createLearningPathNode("pn_werkingnotebooks3", 3, Language.Dutch, false),
createLearningPathNode(learningPath, 0, "u_pn_werkingnotebooks", 3, Language.Dutch, true),
createLearningPathNode(learningPath, 1, "pn_werkingnotebooks2", 3, Language.Dutch, false),
createLearningPathNode(learningPath, 2, "pn_werkingnotebooks3", 3, Language.Dutch, false),
];
nodes[0].transitions.push(createLearningPathTransition("true", nodes[1]));
nodes[1].transitions.push(createLearningPathTransition("true", nodes[2]));
nodes[0].transitions.push(createLearningPathTransition(nodes[0], 0, "true", nodes[1]));
nodes[1].transitions.push(createLearningPathTransition(nodes[1], 0, "true", nodes[2]));
return nodes;
}
@ -21,7 +22,7 @@ const example: LearningPathExample = {
path.hruid = `${getEnvVar(EnvVars.UserContentPrefix)}pn_werking`;
path.title = "Werken met notebooks";
path.description = "Een korte inleiding tot Python notebooks. Hoe ga je gemakkelijk en efficiënt met de notebooks aan de slag?";
path.nodes = createNodes();
path.nodes = createNodes(path);
return path;
}
}

59
backend/tests/test-utils/expectations.ts
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@ -99,9 +99,66 @@ export function expectToBeCorrectFilteredLearningObject(filtered: FilteredLearni
*
* @param learningPath The learning path returned by the retriever, service or endpoint
* @param expectedEntity The expected entity
* @param learningObjectsOnPath The learning objects on LearningPath. Necessary since some information in
* the learning path returned from the API endpoint
*/
export function expectToBeCorrectLearningPath(learningPath: LearningPath, expectedEntity: LearningPathEntity) {
export function expectToBeCorrectLearningPath(
learningPath: LearningPath,
expectedEntity: LearningPathEntity,
learningObjectsOnPath: FilteredLearningObject[]
) {
expect(learningPath.hruid).toEqual(expectedEntity.hruid);
expect(learningPath.language).toEqual(expectedEntity.language);
expect(learningPath.description).toEqual(expectedEntity.description);
expect(learningPath.title).toEqual(expectedEntity.title);
const keywords = new Set(learningObjectsOnPath.flatMap(it => it.keywords || []));
expect(new Set(learningPath.keywords.split(' '))).toEqual(keywords)
const targetAges = new Set(learningObjectsOnPath.flatMap(it => it.targetAges || []));
expect(new Set(learningPath.target_ages)).toEqual(targetAges);
expect(learningPath.min_age).toEqual(Math.min(...targetAges));
expect(learningPath.max_age).toEqual(Math.max(...targetAges));
expect(learningPath.num_nodes).toEqual(expectedEntity.nodes.length);
expect(learningPath.image || null).toEqual(expectedEntity.image);
let expectedLearningPathNodes = new Map(
expectedEntity.nodes.map(node => [
{learningObjectHruid: node.learningObjectHruid, language: node.language, version: node.version},
{startNode: node.startNode, transitions: node.transitions}
])
);
for (let node of learningPath.nodes) {
const nodeKey = {
learningObjectHruid: node.learningobject_hruid,
language: node.language,
version: node.version
};
expect(expectedLearningPathNodes.keys()).toContainEqual(nodeKey);
let expectedNode = [...expectedLearningPathNodes.entries()]
.filter(([key, _]) =>
key.learningObjectHruid === nodeKey.learningObjectHruid
&& key.language === node.language
&& key.version === node.version
)[0][1]
expect(node.start_node).toEqual(expectedNode?.startNode);
expect(
new Set(node.transitions.map(it => it.next.hruid))
).toEqual(
new Set(expectedNode.transitions.map(it => it.next.learningObjectHruid))
);
expect(
new Set(node.transitions.map(it => it.next.language))
).toEqual(
new Set(expectedNode.transitions.map(it => it.next.language))
);
expect(
new Set(node.transitions.map(it => it.next.version))
).toEqual(
new Set(expectedNode.transitions.map(it => it.next.version))
);
}
}