Added basic test for Question.jsx

webapp/src/components/Question.test.js

@@ -0,0 +1,41 @@
+import React from 'react';
+import { render, fireEvent, screen, waitFor, act } from '@testing-library/react';
+import Question from './Question';
+import useAuthUser from 'react-auth-kit/hooks/useAuthUser';
+import MockAdapter from 'axios-mock-adapter';
+import axios from 'axios';
+const mockAxios = new MockAdapter(axios);
+
+const mock = jest.fn();
+
+jest.mock('react-auth-kit/hooks/useAuthUser');
+jest.mock('react-router-dom', () => ({
+  useNavigate: () => mock,
+}));
+
+describe('Question page', () => {
+    beforeEach(() => {
+        mockAxios.reset();
+      });
+
+  it('should render a flags question if category is flags', async () => {
+    useAuthUser.mockReturnValue({ username: 'testUser' });
+
+    mockAxios.onGet('http://localhost:8000/imgs/flags/question').reply(200, 
+    {
+        question: "Which of the following flags belongs to Spain?", 
+        images:["SpainImage","EnglandImage","PolandImage","GermanyImage"]
+    });
+
+    render(<Question type="imgs" category="flags"/>);
+
+    await waitFor(() => {
+        expect(screen.getByText(/Which of the following flags belongs to/i)).toBeInTheDocument();
+        expect(screen.getByText(/Score/i)).toBeInTheDocument();
+    });
+
+    let imgs = []
+    imgs = screen.getAllByRole("button")
+    expect(imgs.length).toBe(4)
+  });
+});