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

79 lines
2.1 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 {tryRealpath} from 'jest-util';
import {cleanup, writeFiles} from '../Utils';
import runJest from '../runJest';
const DIR = path.resolve(tmpdir(), 'existent-roots');
beforeEach(() => cleanup(DIR));
afterAll(() => cleanup(DIR));
function writeConfig(rootDir: string, roots?: Array<string>) {
writeFiles(DIR, {
'jest.config.js': `
module.exports = ${JSON.stringify({rootDir, roots}, null, 2)};
`,
'package.json': '{}',
});
}
test('error when rootDir does not exist', () => {
const fakeRootDir = path.join(DIR, 'foobar');
writeConfig(fakeRootDir);
const {exitCode, stderr} = runJest(DIR);
expect(exitCode).toBe(1);
expect(stderr).toContain(
`Directory ${fakeRootDir} in the rootDir option was not found.`,
);
});
test('error when rootDir is a file', () => {
// Replace tmpdir with its realpath as Windows uses the 8.3 path
const fakeRootDir = path
.join(DIR, 'jest.config.js')
.replace(tmpdir(), tryRealpath(tmpdir()));
writeConfig(fakeRootDir);
const {exitCode, stderr} = runJest(DIR);
expect(exitCode).toBe(1);
expect(stderr).toContain(
`${fakeRootDir} in the rootDir option is not a directory.`,
);
});
test('error when roots directory does not exist', () => {
const fakeRootDir = path.join(DIR, 'foobar');
writeConfig(DIR, ['<rootDir>', fakeRootDir]);
const {exitCode, stderr} = runJest(DIR);
expect(exitCode).toBe(1);
expect(stderr).toContain(
`Directory ${fakeRootDir} in the roots[1] option was not found.`,
);
});
test('error when roots is a file', () => {
const fakeRootDir = path.join(DIR, 'jest.config.js');
writeConfig(DIR, ['<rootDir>', fakeRootDir]);
const {exitCode, stderr} = runJest(DIR);
expect(exitCode).toBe(1);
expect(stderr).toContain(
`${fakeRootDir} in the roots[1] option is not a directory.`,
);
});