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- 'use strict';
- var _exit;
- function _load_exit() {
- return _exit = _interopRequireDefault(require('exit'));
- }
- var _run_test;
- function _load_run_test() {
- return _run_test = _interopRequireDefault(require('./run_test'));
- }
- var _throat;
- function _load_throat() {
- return _throat = _interopRequireDefault(require('throat'));
- }
- var _jestWorker;
- function _load_jestWorker() {
- return _jestWorker = _interopRequireDefault(require('jest-worker'));
- }
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
- function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; } /**
- * Copyright (c) 2014-present, Facebook, Inc. 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.
- *
- *
- */
- const TEST_WORKER_PATH = require.resolve('./test_worker');
- class TestRunner {
- constructor(globalConfig) {
- this._globalConfig = globalConfig;
- }
- runTests(tests, watcher, onStart, onResult, onFailure, options) {
- var _this = this;
- return _asyncToGenerator(function* () {
- return yield options.serial ? _this._createInBandTestRun(tests, watcher, onStart, onResult, onFailure) : _this._createParallelTestRun(tests, watcher, onStart, onResult, onFailure);
- })();
- }
- _createInBandTestRun(tests, watcher, onStart, onResult, onFailure) {
- var _this2 = this;
- return _asyncToGenerator(function* () {
- const mutex = (0, (_throat || _load_throat()).default)(1);
- return tests.reduce(function (promise, test) {
- return mutex(function () {
- return promise.then(_asyncToGenerator(function* () {
- if (watcher.isInterrupted()) {
- throw new CancelRun();
- }
- yield onStart(test);
- return (0, (_run_test || _load_run_test()).default)(test.path, _this2._globalConfig, test.context.config, test.context.resolver);
- })).then(function (result) {
- return onResult(test, result);
- }).catch(function (err) {
- return onFailure(test, err);
- });
- });
- }, Promise.resolve());
- })();
- }
- _createParallelTestRun(tests, watcher, onStart, onResult, onFailure) {
- var _this3 = this;
- return _asyncToGenerator(function* () {
- // $FlowFixMe: class object is augmented with worker when instantiating.
- const worker = new (_jestWorker || _load_jestWorker()).default(TEST_WORKER_PATH, {
- exposedMethods: ['worker'],
- forkOptions: { stdio: 'inherit' },
- maxRetries: 3,
- numWorkers: _this3._globalConfig.maxWorkers
- });
- const mutex = (0, (_throat || _load_throat()).default)(_this3._globalConfig.maxWorkers);
- // Send test suites to workers continuously instead of all at once to track
- // the start time of individual tests.
- const runTestInWorker = function (test) {
- return mutex(_asyncToGenerator(function* () {
- if (watcher.isInterrupted()) {
- return Promise.reject();
- }
- yield onStart(test);
- return worker.worker({
- config: test.context.config,
- globalConfig: _this3._globalConfig,
- path: test.path,
- rawModuleMap: watcher.isWatchMode() ? test.context.moduleMap.getRawModuleMap() : null
- });
- }));
- };
- const onError = (() => {
- var _ref3 = _asyncToGenerator(function* (err, test) {
- yield onFailure(test, err);
- if (err.type === 'ProcessTerminatedError') {
- console.error('A worker process has quit unexpectedly! ' + 'Most likely this is an initialization error.');
- (0, (_exit || _load_exit()).default)(1);
- }
- });
- return function onError(_x, _x2) {
- return _ref3.apply(this, arguments);
- };
- })();
- const onInterrupt = new Promise(function (_, reject) {
- watcher.on('change', function (state) {
- if (state.interrupted) {
- reject(new CancelRun());
- }
- });
- });
- const runAllTests = Promise.all(tests.map(function (test) {
- return runTestInWorker(test).then(function (testResult) {
- return onResult(test, testResult);
- }).catch(function (error) {
- return onError(error, test);
- });
- }));
- const cleanup = function () {
- return worker.end();
- };
- return Promise.race([runAllTests, onInterrupt]).then(cleanup, cleanup);
- })();
- }
- }
- class CancelRun extends Error {
- constructor(message) {
- super(message);
- this.name = 'CancelRun';
- }
- }
- module.exports = TestRunner;
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