'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); exports.default = runTest; function _chalk() { const data = _interopRequireDefault(require('chalk')); _chalk = function () { return data; }; return data; } function fs() { const data = _interopRequireWildcard(require('graceful-fs')); fs = function () { return data; }; return data; } function _sourceMapSupport() { const data = _interopRequireDefault(require('source-map-support')); _sourceMapSupport = function () { return data; }; return data; } function _console() { const data = require('@jest/console'); _console = function () { return data; }; return data; } function _transform() { const data = require('@jest/transform'); _transform = function () { return data; }; return data; } function docblock() { const data = _interopRequireWildcard(require('jest-docblock')); docblock = function () { return data; }; return data; } function _jestLeakDetector() { const data = _interopRequireDefault(require('jest-leak-detector')); _jestLeakDetector = function () { return data; }; return data; } function _jestMessageUtil() { const data = require('jest-message-util'); _jestMessageUtil = function () { return data; }; return data; } function _jestResolve() { const data = require('jest-resolve'); _jestResolve = function () { return data; }; return data; } function _jestUtil() { const data = require('jest-util'); _jestUtil = function () { return data; }; return data; } function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== 'function') return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); } function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) { return {default: obj}; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; } function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : {default: obj}; } /** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * */ function freezeConsole(testConsole, config) { // @ts-expect-error: `_log` is `private` - we should figure out some proper API here testConsole._log = function fakeConsolePush(_type, message) { const error = new (_jestUtil().ErrorWithStack)( `${_chalk().default.red( `${_chalk().default.bold( 'Cannot log after tests are done.' )} Did you forget to wait for something async in your test?` )}\nAttempted to log "${message}".`, fakeConsolePush ); const formattedError = (0, _jestMessageUtil().formatExecError)( error, config, { noStackTrace: false }, undefined, true ); process.stderr.write(`\n${formattedError}\n`); process.exitCode = 1; }; } // Keeping the core of "runTest" as a separate function (as "runTestInternal") // is key to be able to detect memory leaks. Since all variables are local to // the function, when "runTestInternal" finishes its execution, they can all be // freed, UNLESS something else is leaking them (and that's why we can detect // the leak!). // // If we had all the code in a single function, we should manually nullify all // references to verify if there is a leak, which is not maintainable and error // prone. That's why "runTestInternal" CANNOT be inlined inside "runTest". async function runTestInternal( path, globalConfig, projectConfig, resolver, context, sendMessageToJest ) { const testSource = fs().readFileSync(path, 'utf8'); const docblockPragmas = docblock().parse(docblock().extract(testSource)); const customEnvironment = docblockPragmas['jest-environment']; let testEnvironment = projectConfig.testEnvironment; if (customEnvironment) { if (Array.isArray(customEnvironment)) { throw new Error( `You can only define a single test environment through docblocks, got "${customEnvironment.join( ', ' )}"` ); } testEnvironment = (0, _jestResolve().resolveTestEnvironment)({ ...projectConfig, requireResolveFunction: require.resolve, testEnvironment: customEnvironment }); } const cacheFS = new Map([[path, testSource]]); const transformer = await (0, _transform().createScriptTransformer)( projectConfig, cacheFS ); const TestEnvironment = await transformer.requireAndTranspileModule( testEnvironment ); const testFramework = await transformer.requireAndTranspileModule( process.env.JEST_JASMINE === '1' ? require.resolve('jest-jasmine2') : projectConfig.testRunner ); const Runtime = (0, _jestUtil().interopRequireDefault)( projectConfig.runtime ? require(projectConfig.runtime) : require('jest-runtime') ).default; const consoleOut = globalConfig.useStderr ? process.stderr : process.stdout; const consoleFormatter = (type, message) => (0, _console().getConsoleOutput)( // 4 = the console call is buried 4 stack frames deep _console().BufferedConsole.write([], type, message, 4), projectConfig, globalConfig ); let testConsole; if (globalConfig.silent) { testConsole = new (_console().NullConsole)( consoleOut, consoleOut, consoleFormatter ); } else if (globalConfig.verbose) { testConsole = new (_console().CustomConsole)( consoleOut, consoleOut, consoleFormatter ); } else { testConsole = new (_console().BufferedConsole)(); } let extraTestEnvironmentOptions; const docblockEnvironmentOptions = docblockPragmas['jest-environment-options']; if (typeof docblockEnvironmentOptions === 'string') { extraTestEnvironmentOptions = JSON.parse(docblockEnvironmentOptions); } const environment = new TestEnvironment( { globalConfig, projectConfig: extraTestEnvironmentOptions ? { ...projectConfig, testEnvironmentOptions: { ...projectConfig.testEnvironmentOptions, ...extraTestEnvironmentOptions } } : projectConfig }, { console: testConsole, docblockPragmas, testPath: path } ); if (typeof environment.getVmContext !== 'function') { console.error( `Test environment found at "${testEnvironment}" does not export a "getVmContext" method, which is mandatory from Jest 27. This method is a replacement for "runScript".` ); process.exit(1); } const leakDetector = projectConfig.detectLeaks ? new (_jestLeakDetector().default)(environment) : null; (0, _jestUtil().setGlobal)(environment.global, 'console', testConsole); const runtime = new Runtime( projectConfig, environment, resolver, transformer, cacheFS, { changedFiles: context.changedFiles, collectCoverage: globalConfig.collectCoverage, collectCoverageFrom: globalConfig.collectCoverageFrom, coverageProvider: globalConfig.coverageProvider, sourcesRelatedToTestsInChangedFiles: context.sourcesRelatedToTestsInChangedFiles }, path, globalConfig ); let isTornDown = false; const tearDownEnv = async () => { if (!isTornDown) { runtime.teardown(); await environment.teardown(); isTornDown = true; } }; const start = Date.now(); for (const path of projectConfig.setupFiles) { const esm = runtime.unstable_shouldLoadAsEsm(path); if (esm) { await runtime.unstable_importModule(path); } else { const setupFile = runtime.requireModule(path); if (typeof setupFile === 'function') { await setupFile(); } } } const sourcemapOptions = { environment: 'node', handleUncaughtExceptions: false, retrieveSourceMap: source => { const sourceMapSource = runtime.getSourceMaps()?.get(source); if (sourceMapSource) { try { return { map: JSON.parse(fs().readFileSync(sourceMapSource, 'utf8')), url: source }; } catch {} } return null; } }; // For tests runtime .requireInternalModule(require.resolve('source-map-support')) .install(sourcemapOptions); // For runtime errors _sourceMapSupport().default.install(sourcemapOptions); if ( environment.global && environment.global.process && environment.global.process.exit ) { const realExit = environment.global.process.exit; environment.global.process.exit = function exit(...args) { const error = new (_jestUtil().ErrorWithStack)( `process.exit called with "${args.join(', ')}"`, exit ); const formattedError = (0, _jestMessageUtil().formatExecError)( error, projectConfig, { noStackTrace: false }, undefined, true ); process.stderr.write(formattedError); return realExit(...args); }; } // if we don't have `getVmContext` on the env skip coverage const collectV8Coverage = globalConfig.collectCoverage && globalConfig.coverageProvider === 'v8' && typeof environment.getVmContext === 'function'; // Node's error-message stack size is limited at 10, but it's pretty useful // to see more than that when a test fails. Error.stackTraceLimit = 100; try { await environment.setup(); let result; try { if (collectV8Coverage) { await runtime.collectV8Coverage(); } result = await testFramework( globalConfig, projectConfig, environment, runtime, path, sendMessageToJest ); } catch (err) { // Access stack before uninstalling sourcemaps err.stack; throw err; } finally { if (collectV8Coverage) { await runtime.stopCollectingV8Coverage(); } } freezeConsole(testConsole, projectConfig); const testCount = result.numPassingTests + result.numFailingTests + result.numPendingTests + result.numTodoTests; const end = Date.now(); const testRuntime = end - start; result.perfStats = { end, runtime: testRuntime, slow: testRuntime / 1000 > projectConfig.slowTestThreshold, start }; result.testFilePath = path; result.console = testConsole.getBuffer(); result.skipped = testCount === result.numPendingTests; result.displayName = projectConfig.displayName; const coverage = runtime.getAllCoverageInfoCopy(); if (coverage) { const coverageKeys = Object.keys(coverage); if (coverageKeys.length) { result.coverage = coverage; } } if (collectV8Coverage) { const v8Coverage = runtime.getAllV8CoverageInfoCopy(); if (v8Coverage && v8Coverage.length > 0) { result.v8Coverage = v8Coverage; } } if (globalConfig.logHeapUsage) { // @ts-expect-error - doesn't exist on globalThis globalThis.gc?.(); result.memoryUsage = process.memoryUsage().heapUsed; } await tearDownEnv(); // Delay the resolution to allow log messages to be output. return await new Promise(resolve => { setImmediate(() => resolve({ leakDetector, result }) ); }); } finally { await tearDownEnv(); _sourceMapSupport().default.resetRetrieveHandlers(); } } async function runTest( path, globalConfig, config, resolver, context, sendMessageToJest ) { const {leakDetector, result} = await runTestInternal( path, globalConfig, config, resolver, context, sendMessageToJest ); if (leakDetector) { // We wanna allow a tiny but time to pass to allow last-minute cleanup await new Promise(resolve => setTimeout(resolve, 100)); // Resolve leak detector, outside the "runTestInternal" closure. result.leaks = await leakDetector.isLeaking(); } else { result.leaks = false; } return result; }