feat: test controller student

backend/tests/controllers/student.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 {
+    getAllStudentsHandler,
+    getStudentHandler,
+    createStudentHandler,
+    deleteStudentHandler,
+    getStudentClassesHandler,
+    getStudentGroupsHandler,
+    getStudentSubmissionsHandler,
+    getStudentQuestionsHandler
+} from '../../src/controllers/students.js';
+import {TEST_STUDENTS} from "../test_assets/users/students.testdata";
+
+describe('Student controllers', () => {
+    let req: Partial<Request>;
+    let res: Partial<Response>;
+
+    let jsonMock: Mock;
+    let statusMock: Mock;
+
+    beforeAll(async () => {
+        await setupTestApp();
+    });
+
+    beforeEach(() => {
+        jsonMock = vi.fn();
+        statusMock = vi.fn().mockReturnThis();
+        res = {
+            json: jsonMock,
+            status: statusMock,
+        };
+    });
+
+    it('Student not found 404', async () => {
+        req = { params: { username: 'doesnotexist' } };
+
+        await getStudentHandler(req as Request, res as Response);
+
+        expect(statusMock).toHaveBeenCalledWith(404);
+        expect(jsonMock).toHaveBeenCalled();
+    });
+
+    it('No username 400', async () => {
+        req = { params: {} };
+
+        await getStudentHandler(req as Request, res as Response);
+
+        expect(statusMock).toHaveBeenCalledWith(400);
+        expect(jsonMock).toHaveBeenCalled();
+    });
+
+    it('Create student', async () => {
+        req = {
+            body: {
+                username: 'coolstudent',
+                firstName: 'Cool',
+                lastName: 'Student'
+            }
+        };
+
+        await createStudentHandler(req as Request, res as Response);
+
+        expect(statusMock).toHaveBeenCalledWith(201);
+        expect(jsonMock).toHaveBeenCalled();
+    });
+
+    it('Create student no body 400', async () => {
+        req = { body: {} };
+
+        await createStudentHandler(req as Request, res as Response);
+
+        expect(statusMock).toHaveBeenCalledWith(400);
+        expect(jsonMock).toHaveBeenCalled();
+    });
+
+    it('Student list', async () => {
+        req = { query: { full: 'true' } };
+
+        await getAllStudentsHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ students: expect.anything() }));
+
+        const result = jsonMock.mock.lastCall?.[0];
+
+        // check is DireStraits is part of the student list
+        const studentUsernames = result.students.map((s: any) => s.username);
+        expect(studentUsernames).toContain('DireStraits');
+
+        // check length, +1 because of create
+        expect(result.students).toHaveLength(TEST_STUDENTS.length + 1);
+    });
+
+    it('Student classes', async () => {
+        req = { params: { username: 'DireStraits' }, query: {} };
+
+        await getStudentClassesHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ classes: expect.anything() }));
+    });
+
+    it('Student groups', async () => {
+        req = { params: { username: 'DireStraits' }, query: {} };
+
+        await getStudentGroupsHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ groups: expect.anything() }));
+    });
+
+    it('Student submissions', async () => {
+        req = { params: { username: 'DireStraits' } };
+
+        await getStudentSubmissionsHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ submissions: expect.anything() }));
+    });
+
+    it('Student questions', async () => {
+        req = { params: { username: 'DireStraits' }, query: { full: 'true' } };
+
+        await getStudentQuestionsHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ questions: expect.anything() }));
+    });
+
+    it('Delete student', async () => {
+        req = { params: { username: 'coolstudent' } };
+
+        await deleteStudentHandler(req as Request, res as Response);
+
+        expect(statusMock).toHaveBeenCalledWith(200);
+        expect(jsonMock).toHaveBeenCalled();
+    });
+
+    it('Deleting non-existent student 404', async () => {
+        req = { params: { username: 'doesnotexist' } };
+
+        await deleteStudentHandler(req as Request, res as Response);
+
+        expect(statusMock).toHaveBeenCalledWith(404);
+        expect(jsonMock).toHaveBeenCalled();
+    });
+});