fix: bestandsnaam groups.test.ts consistent gemaakt

backend/tests/controllers/groups.test.ts

@@ -0,0 +1,144 @@
+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';
+
+function createRequestObject(classid: string, assignmentid: string, groupNumber: string) {
+    return {
+        params: { 
+            classid: classid,
+            assignmentid: assignmentid,
+            groupid: groupNumber,
+        },
+        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();
+    });
+});