jest/e2e/__tests__/version.test.ts

31 lines
846 B
TypeScript

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import {tmpdir} from 'os';
import * as path from 'path';
import {cleanup, writeFiles} from '../Utils';
import runJest from '../runJest';
const DIR = path.resolve(tmpdir(), 'version-test');
beforeEach(() => cleanup(DIR));
afterAll(() => cleanup(DIR));
test('works with jest.config.js', () => {
writeFiles(DIR, {
'.watchmanconfig': '',
'package.json': '{}',
});
const {exitCode, stdout, stderr} = runJest(DIR, ['--version']);
expect(stdout).toMatch(/\d{2}(?:\.\d{1,2}){2}\S*-dev$/);
// Only version gets printed and nothing else
expect(stdout.split(/\n/)).toHaveLength(1);
expect(stderr).toBe('');
expect(exitCode).toBe(0);
});