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- 'use strict';
- Object.defineProperty(exports, '__esModule', {
- value: true
- });
- exports.default = runTest;
- function _console() {
- const data = require('@jest/console');
- _console = function _console() {
- return data;
- };
- return data;
- }
- function _gracefulFs() {
- const data = _interopRequireDefault(require('graceful-fs'));
- _gracefulFs = function _gracefulFs() {
- return data;
- };
- return data;
- }
- function _jestUtil() {
- const data = require('jest-util');
- _jestUtil = function _jestUtil() {
- return data;
- };
- return data;
- }
- function _jestLeakDetector() {
- const data = _interopRequireDefault(require('jest-leak-detector'));
- _jestLeakDetector = function _jestLeakDetector() {
- return data;
- };
- return data;
- }
- function _jestConfig() {
- const data = require('jest-config');
- _jestConfig = function _jestConfig() {
- return data;
- };
- return data;
- }
- function docblock() {
- const data = _interopRequireWildcard(require('jest-docblock'));
- docblock = function docblock() {
- return data;
- };
- return data;
- }
- function _jestMessageUtil() {
- const data = require('jest-message-util');
- _jestMessageUtil = function _jestMessageUtil() {
- return data;
- };
- return data;
- }
- function _sourceMapSupport() {
- const data = _interopRequireDefault(require('source-map-support'));
- _sourceMapSupport = function _sourceMapSupport() {
- return data;
- };
- return data;
- }
- function _chalk() {
- const data = _interopRequireDefault(require('chalk'));
- _chalk = function _chalk() {
- return data;
- };
- return data;
- }
- function _interopRequireWildcard(obj) {
- if (obj && obj.__esModule) {
- return obj;
- } else {
- var newObj = {};
- if (obj != null) {
- for (var key in obj) {
- if (Object.prototype.hasOwnProperty.call(obj, key)) {
- var desc =
- Object.defineProperty && Object.getOwnPropertyDescriptor
- ? Object.getOwnPropertyDescriptor(obj, key)
- : {};
- if (desc.get || desc.set) {
- Object.defineProperty(newObj, key, desc);
- } else {
- newObj[key] = obj[key];
- }
- }
- }
- }
- newObj.default = obj;
- return newObj;
- }
- }
- function _interopRequireDefault(obj) {
- return obj && obj.__esModule ? obj : {default: obj};
- }
- function _objectSpread(target) {
- for (var i = 1; i < arguments.length; i++) {
- var source = arguments[i] != null ? arguments[i] : {};
- var ownKeys = Object.keys(source);
- if (typeof Object.getOwnPropertySymbols === 'function') {
- ownKeys = ownKeys.concat(
- Object.getOwnPropertySymbols(source).filter(function(sym) {
- return Object.getOwnPropertyDescriptor(source, sym).enumerable;
- })
- );
- }
- ownKeys.forEach(function(key) {
- _defineProperty(target, key, 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 asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
- try {
- var info = gen[key](arg);
- var value = info.value;
- } catch (error) {
- reject(error);
- return;
- }
- if (info.done) {
- resolve(value);
- } else {
- Promise.resolve(value).then(_next, _throw);
- }
- }
- function _asyncToGenerator(fn) {
- return function() {
- var self = this,
- args = arguments;
- return new Promise(function(resolve, reject) {
- var gen = fn.apply(self, args);
- function _next(value) {
- asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value);
- }
- function _throw(err) {
- asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err);
- }
- _next(undefined);
- });
- };
- }
- 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 "${message}".`,
- fakeConsolePush
- );
- const formattedError = (0, _jestMessageUtil().formatExecError)(
- error,
- config,
- {
- noStackTrace: false
- },
- undefined,
- true
- );
- process.stderr.write('\n' + formattedError + '\n'); // TODO: set exit code in Jest 25
- // process.exitCode = 1;
- };
- } // Keeping the core of "runTest" as a separate function (as "runTestInternal")
- // is key to be able to detect memory leaks. Since all variables are local to
- // the function, when "runTestInternal" finishes its execution, they can all be
- // freed, UNLESS something else is leaking them (and that's why we can detect
- // the leak!).
- //
- // If we had all the code in a single function, we should manually nullify all
- // references to verify if there is a leak, which is not maintainable and error
- // prone. That's why "runTestInternal" CANNOT be inlined inside "runTest".
- function runTestInternal(_x, _x2, _x3, _x4, _x5) {
- return _runTestInternal.apply(this, arguments);
- }
- function _runTestInternal() {
- _runTestInternal = _asyncToGenerator(function*(
- path,
- globalConfig,
- config,
- resolver,
- context
- ) {
- const testSource = _gracefulFs().default.readFileSync(path, 'utf8');
- const docblockPragmas = docblock().parse(docblock().extract(testSource));
- const customEnvironment = docblockPragmas['jest-environment'];
- let testEnvironment = config.testEnvironment;
- if (customEnvironment) {
- if (Array.isArray(customEnvironment)) {
- throw new Error(
- `You can only define a single test environment through docblocks, got "${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
- });
- 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(
- _gracefulFs().default.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);
- };
- }
- try {
- yield environment.setup();
- let result;
- try {
- result = yield testFramework(
- globalConfig,
- config,
- environment,
- runtime,
- path
- );
- } catch (err) {
- // Access stack before uninstalling sourcemaps
- err.stack;
- throw err;
- }
- 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 (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 {
- yield environment.teardown();
- _sourceMapSupport().default.resetRetrieveHandlers();
- }
- });
- return _runTestInternal.apply(this, arguments);
- }
- function runTest(_x6, _x7, _x8, _x9, _x10) {
- return _runTest.apply(this, arguments);
- }
- function _runTest() {
- _runTest = _asyncToGenerator(function*(
- path,
- globalConfig,
- config,
- resolver,
- context
- ) {
- const _ref = yield runTestInternal(
- path,
- globalConfig,
- config,
- resolver,
- context
- ),
- leakDetector = _ref.leakDetector,
- result = _ref.result;
- if (leakDetector) {
- // We wanna allow a tiny but time to pass to allow last-minute cleanup
- yield new Promise(resolve => setTimeout(resolve, 100)); // Resolve leak detector, outside the "runTestInternal" closure.
- result.leaks = leakDetector.isLeaking();
- } else {
- result.leaks = false;
- }
- return result;
- });
- return _runTest.apply(this, arguments);
- }
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