test(frontend): Coverage verbeteren

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

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+import { describe, it, expect, beforeEach } from 'vitest';
+import { AssignmentController } from '../../src/controllers/assignments';
+import { AssignmentDTO } from '@dwengo-1/common/interfaces/assignment';
+
+describe('AssignmentController Tests', () => {
+  let controller: AssignmentController;
+
+  beforeEach(() => {
+    controller = new AssignmentController('8764b861-90a6-42e5-9732-c0d9eb2f55f9'); // Example class ID
+  });
+
+  it('should fetch all assignments', async () => {
+    const result = await controller.getAll(true);
+    expect(result).toHaveProperty('assignments');
+    expect(Array.isArray(result.assignments)).toBe(true);
+    expect(result.assignments.length).toBeGreaterThan(0);
+  });
+
+  it('should fetch an assignment by number', async () => {
+    const assignmentNumber = 21000; // Example assignment ID
+    const result = await controller.getByNumber(assignmentNumber);
+    expect(result).toHaveProperty('assignment');
+    expect(result.assignment).toHaveProperty('id', assignmentNumber);
+  });
+
+  it('should update an existing assignment', async () => {
+    const assignmentNumber = 21000;
+    const updatedData = { title: 'Updated Assignment Title' };
+    const result = await controller.updateAssignment(assignmentNumber, updatedData);
+    expect(result).toHaveProperty('assignment');
+    expect(result.assignment).toHaveProperty('id', assignmentNumber);
+    expect(result.assignment).toHaveProperty('title', updatedData.title);
+  });
+
+  it('should fetch submissions for an assignment', async () => {
+    const assignmentNumber = 21000;
+    const result = await controller.getSubmissions(assignmentNumber, true);
+    expect(result).toHaveProperty('submissions');
+    expect(Array.isArray(result.submissions)).toBe(true);
+  });
+
+  it('should fetch questions for an assignment', async () => {
+    const assignmentNumber = 21000;
+    const result = await controller.getQuestions(assignmentNumber, true);
+    expect(result).toHaveProperty('questions');
+    expect(Array.isArray(result.questions)).toBe(true);
+  });
+
+  it('should fetch groups for an assignment', async () => {
+    const assignmentNumber = 21000;
+    const result = await controller.getGroups(assignmentNumber, true);
+    expect(result).toHaveProperty('groups');
+    expect(Array.isArray(result.groups)).toBe(true);
+  });
+
+  it('should handle fetching a non-existent assignment', async () => {
+    const assignmentNumber = 99999; // Non-existent assignment ID
+    await expect(controller.getByNumber(assignmentNumber)).rejects.toThrow();
+  });
+
+  it('should handle deleting a non-existent assignment', async () => {
+    const assignmentNumber = 99999; // Non-existent assignment ID
+    await expect(controller.deleteAssignment(assignmentNumber)).rejects.toThrow();
+  });
+});