'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); exports.default = runTest; function _vm() { const data = require('vm'); _vm = function() { return data; }; return data; } function _console() { const data = require('@jest/console'); _console = function() { return data; }; return data; } function _jestRuntime() { const data = _interopRequireDefault(require('jest-runtime')); _jestRuntime = function() { return data; }; return data; } function fs() { const data = _interopRequireWildcard(require('graceful-fs')); fs = function() { return data; }; return data; } function _jestUtil() { const data = require('jest-util'); _jestUtil = function() { return data; }; return data; } function _jestLeakDetector() { const data = _interopRequireDefault(require('jest-leak-detector')); _jestLeakDetector = function() { return data; }; return data; } function _jestResolve() { const data = _interopRequireDefault(require('jest-resolve')); _jestResolve = function() { return data; }; return data; } function _jestConfig() { const data = require('jest-config'); _jestConfig = function() { return data; }; return data; } function docblock() { const data = _interopRequireWildcard(require('jest-docblock')); docblock = function() { return data; }; return data; } function _jestMessageUtil() { const data = require('jest-message-util'); _jestMessageUtil = function() { return data; }; return data; } function _sourceMapSupport() { const data = _interopRequireDefault(require('source-map-support')); _sourceMapSupport = function() { return data; }; return data; } function _chalk() { const data = _interopRequireDefault(require('chalk')); _chalk = function() { return data; }; return data; } function _getRequireWildcardCache() { if (typeof WeakMap !== 'function') return null; var cache = new WeakMap(); _getRequireWildcardCache = function() { return cache; }; return cache; } function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) { return {default: obj}; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (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}; } function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function(sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; } function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function(key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function(key) { Object.defineProperty( target, key, Object.getOwnPropertyDescriptor(source, key) ); }); } } return target; } function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } function freezeConsole(testConsole, config) { // @ts-ignore: `_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 "${message}".`, fakeConsolePush ); const formattedError = (0, _jestMessageUtil().formatExecError)( error, config, { noStackTrace: false }, undefined, true ); process.stderr.write('\n' + formattedError + '\n'); // TODO: set exit code in Jest 25 // process.exitCode = 1; }; } // Keeping the core of "runTest" as a separate function (as "runTestInternal") // is key to be able to detect memory leaks. Since all variables are local to // the function, when "runTestInternal" finishes its execution, they can all be // freed, UNLESS something else is leaking them (and that's why we can detect // the leak!). // // If we had all the code in a single function, we should manually nullify all // references to verify if there is a leak, which is not maintainable and error // prone. That's why "runTestInternal" CANNOT be inlined inside "runTest". async function runTestInternal(path, globalConfig, config, resolver, context) { const testSource = fs().readFileSync(path, 'utf8'); const docblockPragmas = docblock().parse(docblock().extract(testSource)); const customEnvironment = docblockPragmas['jest-environment']; let testEnvironment = config.testEnvironment; if (customEnvironment) { if (Array.isArray(customEnvironment)) { throw new Error( `You can only define a single test environment through docblocks, got "${customEnvironment.join( ', ' )}"` ); } testEnvironment = (0, _jestConfig().getTestEnvironment)( _objectSpread({}, config, { testEnvironment: customEnvironment }) ); } const TestEnvironment = (0, _jestUtil().interopRequireDefault)( require(testEnvironment) ).default; const testFramework = process.env.JEST_CIRCUS === '1' ? require('jest-circus/runner') // eslint-disable-line import/no-extraneous-dependencies : require(config.testRunner); const Runtime = config.moduleLoader ? require(config.moduleLoader) : require('jest-runtime'); let runtime = undefined; const consoleOut = globalConfig.useStderr ? process.stderr : process.stdout; const consoleFormatter = (type, message) => (0, _console().getConsoleOutput)( config.cwd, !!globalConfig.verbose, // 4 = the console call is buried 4 stack frames deep _console().BufferedConsole.write( [], type, message, 4, runtime && runtime.getSourceMaps() ) ); 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)( () => runtime && runtime.getSourceMaps() ); } const environment = new TestEnvironment(config, { console: testConsole, docblockPragmas, testPath: path }); const leakDetector = config.detectLeaks ? new (_jestLeakDetector().default)(environment) : null; const cacheFS = { [path]: testSource }; (0, _jestUtil().setGlobal)(environment.global, 'console', testConsole); runtime = new Runtime(config, environment, resolver, cacheFS, { changedFiles: context && context.changedFiles, collectCoverage: globalConfig.collectCoverage, collectCoverageFrom: globalConfig.collectCoverageFrom, collectCoverageOnlyFrom: globalConfig.collectCoverageOnlyFrom, coverageProvider: globalConfig.coverageProvider }); const start = Date.now(); const sourcemapOptions = { environment: 'node', handleUncaughtExceptions: false, retrieveSourceMap: source => { const sourceMaps = runtime && runtime.getSourceMaps(); const sourceMapSource = sourceMaps && sourceMaps[source]; if (sourceMapSource) { try { return { map: JSON.parse(fs().readFileSync(sourceMapSource, 'utf8')), url: source }; } catch (e) {} } return null; } }; // For tests runtime .requireInternalModule( require.resolve('source-map-support'), '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, config, { noStackTrace: false }, undefined, true ); process.stderr.write(formattedError); return realExit(...args); }; } // if we don't have `getVmContext` on the env,or `compileFunction` available skip coverage const collectV8Coverage = globalConfig.coverageProvider === 'v8' && typeof environment.getVmContext === 'function' && typeof _vm().compileFunction === 'function'; try { await environment.setup(); let result; try { if (collectV8Coverage) { await runtime.collectV8Coverage(); } result = await testFramework( globalConfig, config, environment, runtime, path ); } catch (err) { // Access stack before uninstalling sourcemaps err.stack; throw err; } finally { if (collectV8Coverage) { await runtime.stopCollectingV8Coverage(); } } freezeConsole(testConsole, config); const testCount = result.numPassingTests + result.numFailingTests + result.numPendingTests + result.numTodoTests; result.perfStats = { end: Date.now(), start }; result.testFilePath = path; result.console = testConsole.getBuffer(); result.skipped = testCount === result.numPendingTests; result.displayName = config.displayName; const coverage = runtime.getAllCoverageInfoCopy(); if (coverage) { const coverageKeys = Object.keys(coverage); if (coverageKeys.length) { result.coverage = coverage; result.sourceMaps = runtime.getSourceMapInfo(new Set(coverageKeys)); } } if (collectV8Coverage) { const v8Coverage = runtime.getAllV8CoverageInfoCopy(); if (v8Coverage && v8Coverage.length > 0) { result.v8Coverage = v8Coverage; } } if (globalConfig.logHeapUsage) { if (global.gc) { global.gc(); } result.memoryUsage = process.memoryUsage().heapUsed; } // Delay the resolution to allow log messages to be output. return new Promise(resolve => { setImmediate(() => resolve({ leakDetector, result }) ); }); } finally { await environment.teardown(); _sourceMapSupport().default.resetRetrieveHandlers(); } } async function runTest(path, globalConfig, config, resolver, context) { const {leakDetector, result} = await runTestInternal( path, globalConfig, config, resolver, context ); 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; }