react-code-dataset / react-query /packages /svelte-query /tests /useIsFetching /useIsFetching.test.ts
| import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest' | |
| import { fireEvent, render } from '@testing-library/svelte' | |
| import BaseExample from './BaseExample.svelte' | |
| describe('useIsFetching', () => { | |
| beforeEach(() => { | |
| vi.useFakeTimers() | |
| }) | |
| afterEach(() => { | |
| vi.useRealTimers() | |
| }) | |
| test('should update as queries start and stop fetching', async () => { | |
| const rendered = render(BaseExample) | |
| expect(rendered.getByText('isFetching: 0')).toBeInTheDocument() | |
| fireEvent.click(rendered.getByRole('button', { name: /setReady/i })) | |
| await vi.advanceTimersByTimeAsync(0) | |
| expect(rendered.getByText('isFetching: 1')).toBeInTheDocument() | |
| await vi.advanceTimersByTimeAsync(11) | |
| expect(rendered.getByText('isFetching: 0')).toBeInTheDocument() | |
| }) | |
| }) | |