feat: testen voor assignment controller geimplementeerd

backend/tests/controllers/assignments.test.ts

@@ -0,0 +1,96 @@
+import { setupTestApp } from '../setup-tests.js';
+import { describe, it, expect, beforeAll, beforeEach, vi, Mock } from 'vitest';
+import { Request, Response } from 'express';
+import { getAssignmentHandler, getAllAssignmentsHandler, getAssignmentsSubmissionsHandler } from '../../src/controllers/assignments.js';
+
+function createRequestObject(classid: string, assignmentid: string) {
+    return {
+        params: { 
+            classid: classid,
+            id: assignmentid,
+        },
+        query: {},
+    };
+}
+
+function checkReturnList(jsonMock: Mock, listName: string) {
+	expect(jsonMock).toHaveBeenCalled();
+
+	const result = jsonMock.mock.lastCall![0];
+		
+	expect(listName in result).toBeTruthy();
+}
+
+function checkReturn404(jsonMock: Mock, statusMock: Mock) {
+		expect(statusMock).toHaveBeenCalledWith(404);
+		expect(jsonMock).toHaveBeenCalled();
+}
+
+describe('Assignment controllers', () => {
+    let req: Partial<Request>;
+    let res: Partial<Response>;
+
+    let jsonMock: Mock;
+    let statusMock: Mock;
+
+    beforeAll(async () => {
+        await setupTestApp();
+    });
+  
+    beforeEach(async () =>  {
+        jsonMock = vi.fn();
+        statusMock = vi.fn().mockReturnThis();
+
+        res = {
+            json: jsonMock,
+            status: statusMock,
+        };
+    });
+
+    it('should return a 404 when trying to find a non-existent assignment', async () => {
+        req = createRequestObject('id01', '43000'); // should not exist
+
+		await getAssignmentHandler(req as Request, res as Response);
+
+		checkReturn404(jsonMock, statusMock);
+    });
+
+	it('should return a 404 when trying to find an assignment on a non-existing class', async () => {
+        req = createRequestObject('doesnotexist', '1'); // should not exist
+
+		await getAssignmentHandler(req as Request, res as Response);
+
+		checkReturn404(jsonMock, statusMock);
+	});
+	
+	it('should return an assignment', async () => {
+		req = createRequestObject('id01', '1');
+
+		await getAssignmentHandler(req as Request, res as Response);
+
+		expect(jsonMock).toHaveBeenCalledWith({
+			id: 1,
+			class: 'id01',
+			title: 'dire straits',
+			description: 'reading',
+			learningPath: 'id02',
+			language: 'en'
+		});
+	});
+
+	it('should return a list of assignments', async () => {
+		req = createRequestObject('id01', 'irrelevant');
+
+		await getAllAssignmentsHandler(req as Request, res as Response);
+
+		checkReturnList(jsonMock, "assignments");
+	});
+
+	it('should return a list of submissions for an assignment', async () => {
+		req = createRequestObject('id01', '1');
+
+		await getAssignmentsSubmissionsHandler(req as Request, res as Response);
+
+		checkReturnList(jsonMock, "submissions");
+	})
+})