Files
introduction-to-testing/examples/button-factory/src/secret-input.test.js
2024-09-30 14:20:45 -06:00

37 lines
1.2 KiB
JavaScript

import { describe, expect, it, beforeEach, vi, afterEach } from 'vitest';
import { screen } from '@testing-library/dom';
import userEvent from '@testing-library/user-event';
import { createSecretInput } from './secret-input.js';
import '@testing-library/jest-dom/vitest';
describe('createSecretInput', async () => {
beforeEach(() => {
vi.spyOn(localStorage, 'getItem').mockReturnValue('test secret');
vi.spyOn(localStorage, 'setItem');
document.body.innerHTML = '';
document.body.appendChild(createSecretInput());
});
afterEach(() => {
vi.restoreAllMocks();
});
it('should have loaded the secret from localStorage', async () => {
expect(screen.getByLabelText('Secret')).toHaveValue('test secret');
expect(localStorage.getItem).toHaveBeenCalledWith('secret');
});
it('should save the secret to localStorage', async () => {
const input = screen.getByLabelText('Secret');
const button = screen.getByText('Store Secret');
await userEvent.clear(input);
await userEvent.type(input, 'new secret');
await userEvent.click(button);
expect(localStorage.setItem).toHaveBeenCalledWith('secret', 'new secret');
});
});