import { renderHook, act } from '@testing-library/react-hooks';
import { useInterval } from '../hooks/useInterval';

describe('useInterval', () => {
	it('should execute the callback at regular intervals', () => {
		jest.useFakeTimers();

		const callback = jest.fn();
		const delay = 1000;
		const { result } = renderHook(() => useInterval(callback, delay));

		expect(callback).not.toBeCalled();

		act(() => {
			jest.advanceTimersByTime(delay);
		});

		expect(callback).toBeCalled();
		expect(callback).toHaveBeenCalledTimes(1);

		act(() => {
			jest.advanceTimersByTime(delay);
		});

		expect(callback).toHaveBeenCalledTimes(2);

		jest.useRealTimers();
	});
});