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