d1ea1f4c7f
Update the license headers throughout the repository to reference Google LLC rather than Google Inc, for the required license headers. PR Close #37205
69 lines
2.5 KiB
TypeScript
69 lines
2.5 KiB
TypeScript
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
import {getFileSystem} from '../../../src/ngtsc/file_system';
|
|
import {runInEachFileSystem} from '../../../src/ngtsc/file_system/testing';
|
|
import {SyncLocker} from '../../src/locking/sync_locker';
|
|
import {MockLockFile} from '../helpers/mock_lock_file';
|
|
|
|
runInEachFileSystem(() => {
|
|
describe('SyncLocker', () => {
|
|
describe('lock()', () => {
|
|
it('should guard the `fn()` with calls to `write()` and `remove()`', () => {
|
|
const fs = getFileSystem();
|
|
const log: string[] = [];
|
|
const lockFile = new MockLockFile(fs, log);
|
|
const locker = new SyncLocker(lockFile);
|
|
|
|
locker.lock(() => log.push('fn()'));
|
|
|
|
expect(log).toEqual(['write()', 'fn()', 'remove()']);
|
|
});
|
|
|
|
it('should guard the `fn()` with calls to `write()` and `remove()`, even if it throws',
|
|
() => {
|
|
let error: string = '';
|
|
const fs = getFileSystem();
|
|
const log: string[] = [];
|
|
const lockFile = new MockLockFile(fs, log);
|
|
const locker = new SyncLocker(lockFile);
|
|
|
|
try {
|
|
locker.lock(() => {
|
|
log.push('fn()');
|
|
throw new Error('ERROR');
|
|
});
|
|
} catch (e) {
|
|
error = e.message;
|
|
}
|
|
expect(error).toEqual('ERROR');
|
|
expect(log).toEqual(['write()', 'fn()', 'remove()']);
|
|
});
|
|
|
|
it('should error if a lock file already exists', () => {
|
|
const fs = getFileSystem();
|
|
const log: string[] = [];
|
|
const lockFile = new MockLockFile(fs, log);
|
|
const locker = new SyncLocker(lockFile);
|
|
|
|
spyOn(lockFile, 'write').and.callFake(() => {
|
|
throw {code: 'EEXIST'};
|
|
});
|
|
spyOn(lockFile, 'read').and.returnValue('188');
|
|
|
|
expect(() => locker.lock(() => {}))
|
|
.toThrowError(
|
|
`ngcc is already running at process with id 188.\n` +
|
|
`If you are running multiple builds in parallel then you should pre-process your node_modules via the command line ngcc tool before starting the builds;\n` +
|
|
`See https://v9.angular.io/guide/ivy#speeding-up-ngcc-compilation.\n` +
|
|
`(If you are sure no ngcc process is running then you should delete the lock-file at ${
|
|
lockFile.path}.)`);
|
|
});
|
|
});
|
|
});
|
|
});
|