Test unitaire

button.js

// Button.js
import React from 'react';

function Button(props) {
  return (
    <button onClick={props.onClick} disabled={props.disabled}>
      {props.label}
    </button>
  );
}

export default Button;

button.test.js

// Button.test.js
import React from 'react';
import { render, fireEvent } from '@testing-library/react';
import Button from './Button';

test('rend le bouton cliquable', () => {
  const onClickMock = jest.fn();
  const { getByText } = render(<Button label="Cliquez-moi" onClick={onClickMock} />);
  const button = getByText('Cliquez-moi');
  fireEvent.click(button);
  expect(onClickMock).toHaveBeenCalled();
});

test('rend le bouton désactivé', () => {
  const { getByText } = render(<Button label="Cliquez-moi" disabled />);
  const button = getByText('Cliquez-moi');
  expect(button).toBeDisabled();
});