feat: tests voor backend/controllers/groups.ts geimplementeerd (4 FAILS)

backend/src/controllers/groups.ts

@@ -2,14 +2,7 @@ import { Request, Response } from 'express';
 import { createGroup, getAllGroups, getGroup, getGroupSubmissions } from '../services/groups.js';
 import { GroupDTO } from '../interfaces/group.js';
 
-// Typescript is annoywith with parameter forwarding from class.ts
+export async function getGroupHandler(req: Request, res: Response): Promise<void> {
-interface GroupParams {
-    classid: string;
-    assignmentid: string;
-    groupid?: string;
-}
-
-export async function getGroupHandler(req: Request<GroupParams>, res: Response): Promise<void> {
     const classId = req.params.classid;
     const full = req.query.full === 'true';
     const assignmentId = +req.params.assignmentid;

backend/tests/controllers/classes.test.ts

@@ -1,18 +1,14 @@
 import { setupTestApp } from '../setup-tests.js';
 import { describe, it, expect, beforeAll, beforeEach, vi, Mock } from 'vitest';
-import { createClassHandler, getClassHandler, getClassStudentsHandler, getTeacherInvitationsHandler } from '../../src/controllers/classes.js';
+import { createClassHandler, getAllClassesHandler, getClassHandler, getClassStudentsHandler, getTeacherInvitationsHandler } from '../../src/controllers/classes.js';
 import { Request, Response } from 'express';
-import { getClassTeacherInvitations } from '../../src/services/class.js';
+import { getAllClasses } from '../../src/services/class.js';
 
 async function fetchClass(id: string) {
     const data = await fetch(`localhost:3000/class/${id}`);
     return data;
 }
 
-vi.mock('./getClass', () => ({
-    getClass: vi.fn(),
-}));
-
 describe('Class controllers', () => {
     let req: Partial<Request>;
     let res: Partial<Response>;
@@ -146,4 +142,18 @@ describe('Class controllers', () => {
         expect(statusMock).toHaveBeenCalledWith(404);
         expect(jsonMock).toHaveBeenCalledWith({ error: 'Class not found' });
     });
+
+    it('should return a list of classes', async () => {
+        req = {
+            query: {},
+        };
+
+        await getAllClassesHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalled();
+
+        const result = jsonMock.mock.lastCall![0];
+
+        expect("classes" in result).toBeTruthy();
+    })
 })

backend/tests/controllers/group.test.ts

@@ -0,0 +1,157 @@
+import { setupTestApp } from '../setup-tests.js';
+import { describe, it, expect, beforeAll, beforeEach, vi, Mock } from 'vitest';
+import { Request, Response } from 'express';
+import { createGroupHandler, getAllGroupsHandler, getGroupHandler, getGroupSubmissionsHandler } from '../../src/controllers/groups.js';
+import { G } from 'vitest/dist/chunks/reporters.66aFHiyX.js';
+
+async function test404<T>(
+    req: Partial<Request<T>> , 
+    res: Partial<Response>, 
+    handler: (req: Request<T>, res: Response) => Promise<void>, 
+    expectedMessage: string
+) {
+    await handler(req as Request<T>, res as Response);
+
+    expect(res.status).toHaveBeenCalledWith(404);
+    expect(res.json).toHaveBeenCalledWith({ error: expectedMessage });
+}
+
+function createRequestObject(classid: string, assignmentid: string, groupNumber: string) {
+    return {
+        params: { 
+            classid: classid,
+            assignmentid: assignmentid, // should not exist
+            groupid: groupNumber, // should not exist
+        },
+        query: {},
+    };
+}
+
+describe('Group 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 404 not found on a non-existing group', async () => {
+        req = {
+            params: { 
+                classid: 'id01',
+                assignmentid: '1',
+                groupid: '42000', // should not exist
+            },
+            query: {},
+        };
+
+        await getGroupHandler(req as Request, res as Response);
+
+        expect(statusMock).toHaveBeenCalledWith(404);
+        expect(jsonMock).toHaveBeenCalledWith({ error: 'Group not found' });
+    });
+
+    it('should return 404 not found on a non-existing assignment', async () => {
+        req = {
+            params: { 
+                classid: 'id01',
+                assignmentid: '1000', // should not exist
+                groupid: '42000', // should not exist
+            },
+            query: {},
+        };
+
+        await getGroupHandler(req as Request, res as Response);
+
+        expect(statusMock).toHaveBeenCalledWith(404);
+        expect(jsonMock).toHaveBeenCalledWith({ error: 'Assignment not found' });
+    });
+
+    it('should return 404 not found ont a non-existing class', async () => {
+        req = {
+            params: { 
+                classid: 'doesnotexist', // should not exist
+                assignmentid: '1000', // should not exist
+                groupid: '42000', // should not exist
+            },
+            query: {},
+        };
+
+        await getGroupHandler(req as Request, res as Response);
+
+        expect(statusMock).toHaveBeenCalledWith(404);
+        expect(jsonMock).toHaveBeenCalledWith({ error: 'Class not found' });
+    });
+
+    it('should return an existing group', async () => {
+        req = createRequestObject('id01', '1', '1');
+
+        await getGroupHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalledWith({
+            assignment: 1,
+            groupNumber: 1,
+            members: [ 'DireStraits', 'Noordkaap' ]
+        });
+    });
+
+    
+    it('should return a 201 when creating a group', async () => {
+        req = createRequestObject('id01', '1', 'irrelevant');
+        req.body = {
+            members: [
+                'NoordKaap',
+                'DireStraits',
+            ]
+        };
+
+        await createGroupHandler(req as Request, res as Response);
+
+        expect(statusMock).toHaveBeenCalledWith(201);
+        expect(jsonMock).toHaveBeenCalled();
+
+        const result = jsonMock.mock.lastCall![0];
+
+        expect("assignment" in result).toBeTruthy();
+        expect("groupNumber" in result).toBeTruthy();
+        expect("members" in result).toBeTruthy();
+    });
+
+    it('should return the submissions for a group', async () => {
+        req = createRequestObject('id01', '1', '1');
+
+        await getGroupSubmissionsHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalled();
+
+        const result = jsonMock.mock.lastCall![0];
+
+        expect("submissions" in result).toBeTruthy();
+        expect(typeof(result.submissions)).toBe(typeof([]));
+    });
+
+    it('should return a list of groups for an assignment', async () => {
+        req = createRequestObject('id01', '1', '1');
+
+        await getAllGroupsHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalled();
+
+        const result = jsonMock.mock.lastCall![0];
+
+        expect("groups" in result).toBeTruthy();
+    });
+});