2025SELab2-project-Dwengo/backend/tests/service/learning-objects.test.ts

98 lines
3.2 KiB
TypeScript

import {describe, it, expect, vi} from 'vitest';
import {
LearningObjectMetadata,
} from "../../src/interfaces/learningPath";
import {fetchWithLogging} from "../../src/util/apiHelper";
import {getLearningObjectById, getLearningObjectsFromPath} from "../../src/services/learningObjects";
import {fetchLearningPaths} from "../../src/services/learningPaths";
// Mock API functions
vi.mock('../../src/util/apiHelper', () => ({
fetchWithLogging: vi.fn(),
}));
vi.mock('../../src/services/learningPaths', () => ({
fetchLearningPaths: vi.fn(),
}));
describe('getLearningObjectById', () => {
const hruid = 'test-object';
const language = 'en';
const mockMetadata: LearningObjectMetadata = {
hruid,
_id: '123',
uuid: 'uuid-123',
version: 1,
title: 'Test Object',
language,
difficulty: 5,
estimated_time: 120,
available: true,
teacher_exclusive: false,
educational_goals: [{source: 'source', id: 'id'}],
keywords: ['robotics'],
description: 'A test object',
target_ages: [10, 12],
content_type: 'markdown',
content_location: '',
skos_concepts: [],
return_value: undefined,
};
it('✅ Should return a filtered learning object when API provides data', async () => {
vi.mocked(fetchWithLogging).mockResolvedValueOnce(mockMetadata);
const result = await getLearningObjectById(hruid, language);
expect(result).toEqual({
key: hruid,
_id: '123',
uuid: 'uuid-123',
version: 1,
title: 'Test Object',
htmlUrl: expect.stringContaining('/learningObject/getRaw?hruid=test-object&language=en'),
language,
difficulty: 5,
estimatedTime: 120,
available: true,
teacherExclusive: false,
educationalGoals: [{source: 'source', id: 'id'}],
keywords: ['robotics'],
description: 'A test object',
targetAges: [10, 12],
contentType: 'markdown',
contentLocation: '',
skosConcepts: [],
returnValue: undefined,
});
});
it('⚠️ Should return null if API returns no metadata', async () => {
vi.mocked(fetchWithLogging).mockResolvedValueOnce(null);
const result = await getLearningObjectById(hruid, language);
expect(result).toBeNull();
});
});
describe('getLearningObjectsFromPath', () => {
const hruid = 'test-path';
const language = 'en';
it('⚠️ Should return an empty array if API returns an empty path response', async () => {
vi.mocked(fetchLearningPaths).mockResolvedValueOnce({success: false, source: 'Test Source', data: []});
const result = await getLearningObjectsFromPath(hruid, language);
expect(result).toEqual([]);
});
it('❌ Should return an empty array and log an error if fetchLearningPaths fails', async () => {
vi.mocked(fetchLearningPaths).mockRejectedValueOnce(new Error('API Error'));
const result = await getLearningObjectsFromPath(hruid, language);
expect(result).toEqual([]);
});
});