'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); exports.createTestScheduler = createTestScheduler; function _chalk() { const data = _interopRequireDefault(require('chalk')); _chalk = function () { return data; }; return data; } function _ciInfo() { const data = require('ci-info'); _ciInfo = function () { return data; }; return data; } function _exit() { const data = _interopRequireDefault(require('exit')); _exit = function () { return data; }; return data; } function _reporters() { const data = require('@jest/reporters'); _reporters = function () { return data; }; return data; } function _testResult() { const data = require('@jest/test-result'); _testResult = function () { return data; }; return data; } function _transform() { const data = require('@jest/transform'); _transform = function () { return data; }; return data; } function _jestMessageUtil() { const data = require('jest-message-util'); _jestMessageUtil = function () { return data; }; return data; } function _jestSnapshot() { const data = require('jest-snapshot'); _jestSnapshot = function () { return data; }; return data; } function _jestUtil() { const data = require('jest-util'); _jestUtil = function () { return data; }; return data; } var _ReporterDispatcher = _interopRequireDefault( require('./ReporterDispatcher') ); var _testSchedulerHelper = require('./testSchedulerHelper'); 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. */ async function createTestScheduler(globalConfig, context) { const scheduler = new TestScheduler(globalConfig, context); await scheduler._setupReporters(); return scheduler; } class TestScheduler { _context; _dispatcher; _globalConfig; constructor(globalConfig, context) { this._context = context; this._dispatcher = new _ReporterDispatcher.default(); this._globalConfig = globalConfig; } addReporter(reporter) { this._dispatcher.register(reporter); } removeReporter(reporterConstructor) { this._dispatcher.unregister(reporterConstructor); } async scheduleTests(tests, watcher) { const onTestFileStart = this._dispatcher.onTestFileStart.bind( this._dispatcher ); const timings = []; const testContexts = new Set(); tests.forEach(test => { testContexts.add(test.context); if (test.duration) { timings.push(test.duration); } }); const aggregatedResults = createAggregatedResults(tests.length); const estimatedTime = Math.ceil( getEstimatedTime(timings, this._globalConfig.maxWorkers) / 1000 ); const runInBand = (0, _testSchedulerHelper.shouldRunInBand)( tests, timings, this._globalConfig ); const onResult = async (test, testResult) => { if (watcher.isInterrupted()) { return Promise.resolve(); } if (testResult.testResults.length === 0) { const message = 'Your test suite must contain at least one test.'; return onFailure(test, { message, stack: new Error(message).stack }); } // Throws when the context is leaked after executing a test. if (testResult.leaks) { const message = `${_chalk().default.red.bold( 'EXPERIMENTAL FEATURE!\n' )}Your test suite is leaking memory. Please ensure all references are cleaned.\n` + '\n' + 'There is a number of things that can leak memory:\n' + ' - Async operations that have not finished (e.g. fs.readFile).\n' + ' - Timers not properly mocked (e.g. setInterval, setTimeout).\n' + ' - Keeping references to the global scope.'; return onFailure(test, { message, stack: new Error(message).stack }); } (0, _testResult().addResult)(aggregatedResults, testResult); await this._dispatcher.onTestFileResult( test, testResult, aggregatedResults ); return this._bailIfNeeded(testContexts, aggregatedResults, watcher); }; const onFailure = async (test, error) => { if (watcher.isInterrupted()) { return; } const testResult = (0, _testResult().buildFailureTestResult)( test.path, error ); testResult.failureMessage = (0, _jestMessageUtil().formatExecError)( testResult.testExecError, test.context.config, this._globalConfig, test.path ); (0, _testResult().addResult)(aggregatedResults, testResult); await this._dispatcher.onTestFileResult( test, testResult, aggregatedResults ); }; const updateSnapshotState = async () => { const contextsWithSnapshotResolvers = await Promise.all( Array.from(testContexts).map(async context => [ context, await (0, _jestSnapshot().buildSnapshotResolver)(context.config) ]) ); contextsWithSnapshotResolvers.forEach(([context, snapshotResolver]) => { const status = (0, _jestSnapshot().cleanup)( context.hasteFS, this._globalConfig.updateSnapshot, snapshotResolver, context.config.testPathIgnorePatterns ); aggregatedResults.snapshot.filesRemoved += status.filesRemoved; aggregatedResults.snapshot.filesRemovedList = ( aggregatedResults.snapshot.filesRemovedList || [] ).concat(status.filesRemovedList); }); const updateAll = this._globalConfig.updateSnapshot === 'all'; aggregatedResults.snapshot.didUpdate = updateAll; aggregatedResults.snapshot.failure = !!( !updateAll && (aggregatedResults.snapshot.unchecked || aggregatedResults.snapshot.unmatched || aggregatedResults.snapshot.filesRemoved) ); }; await this._dispatcher.onRunStart(aggregatedResults, { estimatedTime, showStatus: !runInBand }); const testRunners = Object.create(null); const contextsByTestRunner = new WeakMap(); try { await Promise.all( Array.from(testContexts).map(async context => { const {config} = context; if (!testRunners[config.runner]) { const transformer = await (0, _transform().createScriptTransformer)( config ); const Runner = await transformer.requireAndTranspileModule( config.runner ); const runner = new Runner(this._globalConfig, { changedFiles: this._context.changedFiles, sourcesRelatedToTestsInChangedFiles: this._context.sourcesRelatedToTestsInChangedFiles }); testRunners[config.runner] = runner; contextsByTestRunner.set(runner, context); } }) ); const testsByRunner = this._partitionTests(testRunners, tests); if (testsByRunner) { try { for (const runner of Object.keys(testRunners)) { const testRunner = testRunners[runner]; const context = contextsByTestRunner.get(testRunner); invariant(context); const tests = testsByRunner[runner]; const testRunnerOptions = { serial: runInBand || Boolean(testRunner.isSerial) }; if (testRunner.supportsEventEmitters) { const unsubscribes = [ testRunner.on('test-file-start', ([test]) => onTestFileStart(test) ), testRunner.on('test-file-success', ([test, testResult]) => onResult(test, testResult) ), testRunner.on('test-file-failure', ([test, error]) => onFailure(test, error) ), testRunner.on( 'test-case-result', ([testPath, testCaseResult]) => { const test = { context, path: testPath }; this._dispatcher.onTestCaseResult(test, testCaseResult); } ) ]; await testRunner.runTests(tests, watcher, testRunnerOptions); unsubscribes.forEach(sub => sub()); } else { await testRunner.runTests( tests, watcher, onTestFileStart, onResult, onFailure, testRunnerOptions ); } } } catch (error) { if (!watcher.isInterrupted()) { throw error; } } } } catch (error) { aggregatedResults.runExecError = buildExecError(error); await this._dispatcher.onRunComplete(testContexts, aggregatedResults); throw error; } await updateSnapshotState(); aggregatedResults.wasInterrupted = watcher.isInterrupted(); await this._dispatcher.onRunComplete(testContexts, aggregatedResults); const anyTestFailures = !( aggregatedResults.numFailedTests === 0 && aggregatedResults.numRuntimeErrorTestSuites === 0 ); const anyReporterErrors = this._dispatcher.hasErrors(); aggregatedResults.success = !( anyTestFailures || aggregatedResults.snapshot.failure || anyReporterErrors ); return aggregatedResults; } _partitionTests(testRunners, tests) { if (Object.keys(testRunners).length > 1) { return tests.reduce((testRuns, test) => { const runner = test.context.config.runner; if (!testRuns[runner]) { testRuns[runner] = []; } testRuns[runner].push(test); return testRuns; }, Object.create(null)); } else if (tests.length > 0 && tests[0] != null) { // If there is only one runner, don't partition the tests. return Object.assign(Object.create(null), { [tests[0].context.config.runner]: tests }); } else { return null; } } async _setupReporters() { const {collectCoverage: coverage, notify, verbose} = this._globalConfig; const reporters = this._globalConfig.reporters || [['default', {}]]; let summary = false; for (const [reporter, options] of reporters) { switch (reporter) { case 'default': summary = true; verbose ? this.addReporter( new (_reporters().VerboseReporter)(this._globalConfig) ) : this.addReporter( new (_reporters().DefaultReporter)(this._globalConfig) ); break; case 'github-actions': _ciInfo().GITHUB_ACTIONS && this.addReporter(new (_reporters().GitHubActionsReporter)()); break; case 'summary': summary = true; break; default: await this._addCustomReporter(reporter, options); } } if (notify) { this.addReporter( new (_reporters().NotifyReporter)(this._globalConfig, this._context) ); } if (coverage) { this.addReporter( new (_reporters().CoverageReporter)(this._globalConfig, this._context) ); } if (summary) { this.addReporter(new (_reporters().SummaryReporter)(this._globalConfig)); } } async _addCustomReporter(reporter, options) { try { const Reporter = await (0, _jestUtil().requireOrImportModule)(reporter); this.addReporter( new Reporter(this._globalConfig, options, this._context) ); } catch (error) { error.message = `An error occurred while adding the reporter at path "${_chalk().default.bold( reporter )}".\n${error instanceof Error ? error.message : ''}`; throw error; } } async _bailIfNeeded(testContexts, aggregatedResults, watcher) { if ( this._globalConfig.bail !== 0 && aggregatedResults.numFailedTests >= this._globalConfig.bail ) { if (watcher.isWatchMode()) { await watcher.setState({ interrupted: true }); return; } try { await this._dispatcher.onRunComplete(testContexts, aggregatedResults); } finally { const exitCode = this._globalConfig.testFailureExitCode; (0, _exit().default)(exitCode); } } } } function invariant(condition, message) { if (!condition) { throw new Error(message); } } const createAggregatedResults = numTotalTestSuites => { const result = (0, _testResult().makeEmptyAggregatedTestResult)(); result.numTotalTestSuites = numTotalTestSuites; result.startTime = Date.now(); result.success = false; return result; }; const getEstimatedTime = (timings, workers) => { if (timings.length === 0) { return 0; } const max = Math.max(...timings); return timings.length <= workers ? max : Math.max(timings.reduce((sum, time) => sum + time) / workers, max); }; const strToError = errString => { const {message, stack} = (0, _jestMessageUtil().separateMessageFromStack)( errString ); if (stack.length > 0) { return { message, stack }; } const error = new (_jestUtil().ErrorWithStack)(message, buildExecError); return { message, stack: error.stack || '' }; }; const buildExecError = err => { if (typeof err === 'string' || err == null) { return strToError(err || 'Error'); } const anyErr = err; if (typeof anyErr.message === 'string') { if (typeof anyErr.stack === 'string' && anyErr.stack.length > 0) { return anyErr; } return strToError(anyErr.message); } return strToError(JSON.stringify(err)); };