Writing unit tests for GET requests

unit-tests-for-get-requests.js

describe('GET Request Tests', () => {
  beforeEach(() => {
    jest.clearAllMocks();
  });

  it('fetches successfully data from an API', async () => {
    const data = { id: 1, name: 'John Doe' };

    axios.get.mockResolvedValue({ data });

    const result = await fetchData('https://api.example.com/user/1');
    expect(result).toEqual(data);
    expect(axios.get).toHaveBeenCalledWith('https://api.example.com/user/1');
  });

  it('fetches data error from an API', async () => {
    const errorMessage = 'Network Error';

    axios.get.mockRejectedValue(new Error(errorMessage));

    await expect(fetchData('https://api.example.com/user/1')).rejects.toThrow(errorMessage);
  });
});