react-testing-library example

test('entering a todo in form adds a todo', async () => {
	const { getByText, getByPlaceholderText, getByTestId, container } = render(<App />);

	// enter todo text in textbox
	getByPlaceholderText('Enter todo text').value = 'My new todo';

	// click Add
	Simulate.click(getByText('Add'));

	// wait for Todo to show up
	await wait(() => getByText('My new todo'));

	// make sure form is cleared
	expect(getByTestId('TodoForm-input').value).toEqual('');

	// make sure todo was added
	expect(getByText('My new todo')).toBeDefined();
});