node-jest/e2e/__tests__/fatalWorkerError.test.ts

48 lines
1.3 KiB
TypeScript

/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* 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,
generateTestFilesToForceUsingWorkers,
writeFiles,
} from '../Utils';
import runJest from '../runJest';
const DIR = path.resolve(tmpdir(), 'fatal-worker-error');
beforeEach(() => cleanup(DIR));
afterAll(() => cleanup(DIR));
test('fails a test that terminates the worker with a fatal error', () => {
const testFiles = {
...generateTestFilesToForceUsingWorkers(),
'__tests__/fatalWorkerError.test.js': `
test('fatal worker error', () => {
process.exit(134);
});
`,
};
writeFiles(DIR, {
...testFiles,
'package.json': '{}',
});
const {exitCode, stderr} = runJest(DIR, ['--maxWorkers=2']);
const numberOfTestsPassed = (stderr.match(/\bPASS\b/g) || []).length;
expect(exitCode).not.toBe(0);
expect(numberOfTestsPassed).toBe(Object.keys(testFiles).length - 1);
expect(stderr).toContain('FAIL __tests__/fatalWorkerError.test.js');
expect(stderr).toContain(
'Jest worker encountered 4 child process exceptions, exceeding retry limit',
);
});