'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); Object.defineProperty(exports, 'CallbackTestRunner', { enumerable: true, get: function () { return _types.CallbackTestRunner; } }); Object.defineProperty(exports, 'EmittingTestRunner', { enumerable: true, get: function () { return _types.EmittingTestRunner; } }); exports.default = void 0; function _chalk() { const data = _interopRequireDefault(require('chalk')); _chalk = function () { return data; }; return data; } function _emittery() { const data = _interopRequireDefault(require('emittery')); _emittery = function () { return data; }; return data; } function _pLimit() { const data = _interopRequireDefault(require('p-limit')); _pLimit = function () { return data; }; return data; } function _jestUtil() { const data = require('jest-util'); _jestUtil = function () { return data; }; return data; } function _jestWorker() { const data = require('jest-worker'); _jestWorker = function () { return data; }; return data; } var _runTest = _interopRequireDefault(require('./runTest')); var _types = require('./types'); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : {default: obj}; } /** * 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. */ class TestRunner extends _types.EmittingTestRunner { #eventEmitter = new (_emittery().default)(); async runTests(tests, watcher, options) { return options.serial ? this.#createInBandTestRun(tests, watcher) : this.#createParallelTestRun(tests, watcher); } async #createInBandTestRun(tests, watcher) { process.env.JEST_WORKER_ID = '1'; const mutex = (0, _pLimit().default)(1); return tests.reduce( (promise, test) => mutex(() => promise .then(async () => { if (watcher.isInterrupted()) { throw new CancelRun(); } // `deepCyclicCopy` used here to avoid mem-leak const sendMessageToJest = (eventName, args) => this.#eventEmitter.emit( eventName, (0, _jestUtil().deepCyclicCopy)(args, { keepPrototype: false }) ); await this.#eventEmitter.emit('test-file-start', [test]); return (0, _runTest.default)( test.path, this._globalConfig, test.context.config, test.context.resolver, this._context, sendMessageToJest ); }) .then( result => this.#eventEmitter.emit('test-file-success', [test, result]), error => this.#eventEmitter.emit('test-file-failure', [test, error]) ) ), Promise.resolve() ); } async #createParallelTestRun(tests, watcher) { const resolvers = new Map(); for (const test of tests) { if (!resolvers.has(test.context.config.id)) { resolvers.set(test.context.config.id, { config: test.context.config, serializableModuleMap: test.context.moduleMap.toJSON() }); } } const worker = new (_jestWorker().Worker)(require.resolve('./testWorker'), { exposedMethods: ['worker'], forkOptions: { serialization: 'json', stdio: 'pipe' }, // The workerIdleMemoryLimit should've been converted to a number during // the normalization phase. idleMemoryLimit: typeof this._globalConfig.workerIdleMemoryLimit === 'number' ? this._globalConfig.workerIdleMemoryLimit : undefined, maxRetries: 3, numWorkers: this._globalConfig.maxWorkers, setupArgs: [ { serializableResolvers: Array.from(resolvers.values()) } ] }); if (worker.getStdout()) worker.getStdout().pipe(process.stdout); if (worker.getStderr()) worker.getStderr().pipe(process.stderr); const mutex = (0, _pLimit().default)(this._globalConfig.maxWorkers); // Send test suites to workers continuously instead of all at once to track // the start time of individual tests. const runTestInWorker = test => mutex(async () => { if (watcher.isInterrupted()) { return Promise.reject(); } await this.#eventEmitter.emit('test-file-start', [test]); const promise = worker.worker({ config: test.context.config, context: { ...this._context, changedFiles: this._context.changedFiles && Array.from(this._context.changedFiles), sourcesRelatedToTestsInChangedFiles: this._context.sourcesRelatedToTestsInChangedFiles && Array.from(this._context.sourcesRelatedToTestsInChangedFiles) }, globalConfig: this._globalConfig, path: test.path }); if (promise.UNSTABLE_onCustomMessage) { // TODO: Get appropriate type for `onCustomMessage` promise.UNSTABLE_onCustomMessage(([event, payload]) => this.#eventEmitter.emit(event, payload) ); } return promise; }); const onInterrupt = new Promise((_, reject) => { watcher.on('change', state => { if (state.interrupted) { reject(new CancelRun()); } }); }); const runAllTests = Promise.all( tests.map(test => runTestInWorker(test).then( result => this.#eventEmitter.emit('test-file-success', [test, result]), error => this.#eventEmitter.emit('test-file-failure', [test, error]) ) ) ); const cleanup = async () => { const {forceExited} = await worker.end(); if (forceExited) { console.error( _chalk().default.yellow( 'A worker process has failed to exit gracefully and has been force exited. ' + 'This is likely caused by tests leaking due to improper teardown. ' + 'Try running with --detectOpenHandles to find leaks. ' + 'Active timers can also cause this, ensure that .unref() was called on them.' ) ); } }; return Promise.race([runAllTests, onInterrupt]).then(cleanup, cleanup); } on(eventName, listener) { return this.#eventEmitter.on(eventName, listener); } } exports.default = TestRunner; class CancelRun extends Error { constructor(message) { super(message); this.name = 'CancelRun'; } }