Merge pull request #361 from SWE574-Fall2023-Group1/360-unit-test-for…

…-story-details

Add unit test for story details #360

backend/frontend/src/pages/story/StoryDetails.test.js

@@ -0,0 +1,36 @@
+import React from 'react';
+import { render, fireEvent, waitFor, screen } from '@testing-library/react';
+import StoryDetails from './StoryDetails';
+import axios from 'axios';
+import { useParams, useNavigate } from 'react-router-dom';
+
+jest.mock('axios');
+jest.mock('react-router-dom', () => ({
+  useParams: jest.fn(),
+  useNavigate: jest.fn(),
+}));
+
+describe('StoryDetails Component', () => {
+  const mockNavigate = jest.fn();
+  const mockUseParams = { id: '123' };
+
+  beforeEach(() => {
+    useParams.mockReturnValue(mockUseParams);
+    useNavigate.mockReturnValue(mockNavigate);
+  });
+
+  afterEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('renders and fetches story details on mount', async () => {
+    axios.get.mockResolvedValue({});
+    render(<StoryDetails currentTheme='default' />);
+    expect(axios.get).toHaveBeenCalled();
+  });
+
+  it('handles API error gracefully', async () => {
+    axios.get.mockRejectedValue(new Error('API Error'));
+    render(<StoryDetails currentTheme='default' />);
+  });
+});