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|
- 'use strict';
- Object.defineProperty(exports, '__esModule', {
- value: true
- });
- exports.default = void 0;
- function nativeModule() {
- const data = _interopRequireWildcard(require('module'));
- nativeModule = function () {
- return data;
- };
- return data;
- }
- function path() {
- const data = _interopRequireWildcard(require('path'));
- path = function () {
- return data;
- };
- return data;
- }
- function _url() {
- const data = require('url');
- _url = function () {
- return data;
- };
- return data;
- }
- function _vm() {
- const data = require('vm');
- _vm = function () {
- return data;
- };
- return data;
- }
- function _cjsModuleLexer() {
- const data = require('cjs-module-lexer');
- _cjsModuleLexer = function () {
- return data;
- };
- return data;
- }
- function _collectV8Coverage() {
- const data = require('collect-v8-coverage');
- _collectV8Coverage = function () {
- return data;
- };
- return data;
- }
- function _execa() {
- const data = _interopRequireDefault(require('execa'));
- _execa = function () {
- return data;
- };
- return data;
- }
- function fs() {
- const data = _interopRequireWildcard(require('graceful-fs'));
- fs = function () {
- return data;
- };
- return data;
- }
- function _slash() {
- const data = _interopRequireDefault(require('slash'));
- _slash = function () {
- return data;
- };
- return data;
- }
- function _stripBom() {
- const data = _interopRequireDefault(require('strip-bom'));
- _stripBom = function () {
- return data;
- };
- return data;
- }
- function _transform() {
- const data = require('@jest/transform');
- _transform = function () {
- return data;
- };
- return data;
- }
- function _jestHasteMap() {
- const data = _interopRequireDefault(require('jest-haste-map'));
- _jestHasteMap = function () {
- return data;
- };
- return data;
- }
- function _jestMessageUtil() {
- const data = require('jest-message-util');
- _jestMessageUtil = function () {
- return data;
- };
- return data;
- }
- function _jestRegexUtil() {
- const data = require('jest-regex-util');
- _jestRegexUtil = function () {
- return data;
- };
- return data;
- }
- function _jestResolve() {
- const data = _interopRequireDefault(require('jest-resolve'));
- _jestResolve = function () {
- return data;
- };
- return data;
- }
- function _jestSnapshot() {
- const data = _interopRequireDefault(require('jest-snapshot'));
- _jestSnapshot = function () {
- return data;
- };
- return data;
- }
- function _jestUtil() {
- const data = require('jest-util');
- _jestUtil = function () {
- return data;
- };
- return data;
- }
- var _helpers = require('./helpers');
- function _interopRequireDefault(obj) {
- return obj && obj.__esModule ? obj : {default: obj};
- }
- 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 _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;
- }
- const esmIsAvailable = typeof _vm().SourceTextModule === 'function';
- const defaultTransformOptions = {
- isInternalModule: false,
- supportsDynamicImport: esmIsAvailable,
- supportsExportNamespaceFrom: false,
- supportsStaticESM: false,
- supportsTopLevelAwait: false
- };
- // These are modules that we know
- // * are safe to require from the outside (not stateful, not prone to errors passing in instances from different realms), and
- // * take sufficiently long to require to warrant an optimization.
- // When required from the outside, they use the worker's require cache and are thus
- // only loaded once per worker, not once per test file.
- // Use /benchmarks/test-file-overhead to measure the impact.
- // Note that this only applies when they are required in an internal context;
- // users who require one of these modules in their tests will still get the module from inside the VM.
- // Prefer listing a module here only if it is impractical to use the jest-resolve-outside-vm-option where it is required,
- // e.g. because there are many require sites spread across the dependency graph.
- const INTERNAL_MODULE_REQUIRE_OUTSIDE_OPTIMIZED_MODULES = new Set(['chalk']);
- const JEST_RESOLVE_OUTSIDE_VM_OPTION = Symbol.for(
- 'jest-resolve-outside-vm-option'
- );
- const testTimeoutSymbol = Symbol.for('TEST_TIMEOUT_SYMBOL');
- const retryTimesSymbol = Symbol.for('RETRY_TIMES');
- const NODE_MODULES = path().sep + 'node_modules' + path().sep;
- const getModuleNameMapper = config => {
- if (
- Array.isArray(config.moduleNameMapper) &&
- config.moduleNameMapper.length
- ) {
- return config.moduleNameMapper.map(([regex, moduleName]) => ({
- moduleName,
- regex: new RegExp(regex)
- }));
- }
- return null;
- };
- const unmockRegExpCache = new WeakMap();
- const EVAL_RESULT_VARIABLE = 'Object.<anonymous>';
- const runtimeSupportsVmModules = typeof _vm().SyntheticModule === 'function';
- const supportsTopLevelAwait =
- runtimeSupportsVmModules &&
- (() => {
- try {
- // eslint-disable-next-line no-new
- new (_vm().SourceTextModule)('await Promise.resolve()');
- return true;
- } catch {
- return false;
- }
- })();
- const supportsNodeColonModulePrefixInRequire = (() => {
- try {
- require('node:fs');
- return true;
- } catch {
- return false;
- }
- })();
- const supportsNodeColonModulePrefixInImport = (() => {
- const {stdout} = _execa().default.sync(
- 'node',
- [
- '--eval',
- 'import("node:fs").then(() => console.log(true), () => console.log(false));'
- ],
- {
- reject: false
- }
- );
- return stdout === 'true';
- })();
- class Runtime {
- constructor(
- config,
- environment,
- resolver,
- transformer,
- cacheFS,
- coverageOptions,
- testPath
- ) {
- var _this$_environment$ex, _this$_environment$ex2, _this$_environment;
- _defineProperty(this, '_cacheFS', void 0);
- _defineProperty(this, '_config', void 0);
- _defineProperty(this, '_coverageOptions', void 0);
- _defineProperty(this, '_currentlyExecutingModulePath', void 0);
- _defineProperty(this, '_environment', void 0);
- _defineProperty(this, '_explicitShouldMock', void 0);
- _defineProperty(this, '_explicitShouldMockModule', void 0);
- _defineProperty(this, '_fakeTimersImplementation', void 0);
- _defineProperty(this, '_internalModuleRegistry', void 0);
- _defineProperty(this, '_isCurrentlyExecutingManualMock', void 0);
- _defineProperty(this, '_mainModule', void 0);
- _defineProperty(this, '_mockFactories', void 0);
- _defineProperty(this, '_mockMetaDataCache', void 0);
- _defineProperty(this, '_mockRegistry', void 0);
- _defineProperty(this, '_isolatedMockRegistry', void 0);
- _defineProperty(this, '_moduleMockRegistry', void 0);
- _defineProperty(this, '_moduleMockFactories', void 0);
- _defineProperty(this, '_moduleMocker', void 0);
- _defineProperty(this, '_isolatedModuleRegistry', void 0);
- _defineProperty(this, '_moduleRegistry', void 0);
- _defineProperty(this, '_esmoduleRegistry', void 0);
- _defineProperty(this, '_cjsNamedExports', void 0);
- _defineProperty(this, '_esmModuleLinkingMap', void 0);
- _defineProperty(this, '_testPath', void 0);
- _defineProperty(this, '_resolver', void 0);
- _defineProperty(this, '_shouldAutoMock', void 0);
- _defineProperty(this, '_shouldMockModuleCache', void 0);
- _defineProperty(this, '_shouldUnmockTransitiveDependenciesCache', void 0);
- _defineProperty(this, '_sourceMapRegistry', void 0);
- _defineProperty(this, '_scriptTransformer', void 0);
- _defineProperty(this, '_fileTransforms', void 0);
- _defineProperty(this, '_fileTransformsMutex', void 0);
- _defineProperty(this, '_v8CoverageInstrumenter', void 0);
- _defineProperty(this, '_v8CoverageResult', void 0);
- _defineProperty(this, '_transitiveShouldMock', void 0);
- _defineProperty(this, '_unmockList', void 0);
- _defineProperty(this, '_virtualMocks', void 0);
- _defineProperty(this, '_virtualModuleMocks', void 0);
- _defineProperty(this, '_moduleImplementation', void 0);
- _defineProperty(this, 'jestObjectCaches', void 0);
- _defineProperty(this, 'jestGlobals', void 0);
- _defineProperty(this, 'esmConditions', void 0);
- _defineProperty(this, 'cjsConditions', void 0);
- _defineProperty(this, 'isTornDown', false);
- this._cacheFS = cacheFS;
- this._config = config;
- this._coverageOptions = coverageOptions;
- this._currentlyExecutingModulePath = '';
- this._environment = environment;
- this._explicitShouldMock = new Map();
- this._explicitShouldMockModule = new Map();
- this._internalModuleRegistry = new Map();
- this._isCurrentlyExecutingManualMock = null;
- this._mainModule = null;
- this._mockFactories = new Map();
- this._mockRegistry = new Map();
- this._moduleMockRegistry = new Map();
- this._moduleMockFactories = new Map();
- invariant(
- this._environment.moduleMocker,
- '`moduleMocker` must be set on an environment when created'
- );
- this._moduleMocker = this._environment.moduleMocker;
- this._isolatedModuleRegistry = null;
- this._isolatedMockRegistry = null;
- this._moduleRegistry = new Map();
- this._esmoduleRegistry = new Map();
- this._cjsNamedExports = new Map();
- this._esmModuleLinkingMap = new WeakMap();
- this._testPath = testPath;
- this._resolver = resolver;
- this._scriptTransformer = transformer;
- this._shouldAutoMock = config.automock;
- this._sourceMapRegistry = new Map();
- this._fileTransforms = new Map();
- this._fileTransformsMutex = new Map();
- this._virtualMocks = new Map();
- this._virtualModuleMocks = new Map();
- this.jestObjectCaches = new Map();
- this._mockMetaDataCache = new Map();
- this._shouldMockModuleCache = new Map();
- this._shouldUnmockTransitiveDependenciesCache = new Map();
- this._transitiveShouldMock = new Map();
- this._fakeTimersImplementation =
- config.timers === 'legacy'
- ? this._environment.fakeTimers
- : this._environment.fakeTimersModern;
- this._unmockList = unmockRegExpCache.get(config);
- if (!this._unmockList && config.unmockedModulePathPatterns) {
- this._unmockList = new RegExp(
- config.unmockedModulePathPatterns.join('|')
- );
- unmockRegExpCache.set(config, this._unmockList);
- }
- const envExportConditions =
- (_this$_environment$ex =
- (_this$_environment$ex2 = (_this$_environment = this._environment)
- .exportConditions) === null || _this$_environment$ex2 === void 0
- ? void 0
- : _this$_environment$ex2.call(_this$_environment)) !== null &&
- _this$_environment$ex !== void 0
- ? _this$_environment$ex
- : [];
- this.esmConditions = Array.from(
- new Set(['import', 'default', ...envExportConditions])
- );
- this.cjsConditions = Array.from(
- new Set(['require', 'default', ...envExportConditions])
- );
- if (config.automock) {
- config.setupFiles.forEach(filePath => {
- if (filePath.includes(NODE_MODULES)) {
- const moduleID = this._resolver.getModuleID(
- this._virtualMocks,
- filePath,
- undefined, // shouldn't really matter, but in theory this will make sure the caching is correct
- {
- conditions: this.unstable_shouldLoadAsEsm(filePath)
- ? this.esmConditions
- : this.cjsConditions
- }
- );
- this._transitiveShouldMock.set(moduleID, false);
- }
- });
- }
- this.resetModules();
- }
- static async createContext(config, options) {
- (0, _jestUtil().createDirectory)(config.cacheDirectory);
- const instance = Runtime.createHasteMap(config, {
- console: options.console,
- maxWorkers: options.maxWorkers,
- resetCache: !config.cache,
- watch: options.watch,
- watchman: options.watchman
- });
- const hasteMap = await instance.build();
- return {
- config,
- hasteFS: hasteMap.hasteFS,
- moduleMap: hasteMap.moduleMap,
- resolver: Runtime.createResolver(config, hasteMap.moduleMap)
- };
- }
- static createHasteMap(config, options) {
- const ignorePatternParts = [
- ...config.modulePathIgnorePatterns,
- ...(options && options.watch ? config.watchPathIgnorePatterns : []),
- config.cacheDirectory.startsWith(config.rootDir + path().sep) &&
- config.cacheDirectory
- ].filter(Boolean);
- const ignorePattern =
- ignorePatternParts.length > 0
- ? new RegExp(ignorePatternParts.join('|'))
- : undefined;
- return _jestHasteMap().default.create({
- cacheDirectory: config.cacheDirectory,
- computeSha1: config.haste.computeSha1,
- console:
- options === null || options === void 0 ? void 0 : options.console,
- dependencyExtractor: config.dependencyExtractor,
- enableSymlinks: config.haste.enableSymlinks,
- extensions: [_jestSnapshot().default.EXTENSION].concat(
- config.moduleFileExtensions
- ),
- forceNodeFilesystemAPI: config.haste.forceNodeFilesystemAPI,
- hasteImplModulePath: config.haste.hasteImplModulePath,
- hasteMapModulePath: config.haste.hasteMapModulePath,
- ignorePattern,
- maxWorkers:
- (options === null || options === void 0
- ? void 0
- : options.maxWorkers) || 1,
- mocksPattern: (0, _jestRegexUtil().escapePathForRegex)(
- path().sep + '__mocks__' + path().sep
- ),
- name: config.name,
- platforms: config.haste.platforms || ['ios', 'android'],
- resetCache:
- options === null || options === void 0 ? void 0 : options.resetCache,
- retainAllFiles: false,
- rootDir: config.rootDir,
- roots: config.roots,
- throwOnModuleCollision: config.haste.throwOnModuleCollision,
- useWatchman:
- options === null || options === void 0 ? void 0 : options.watchman,
- watch: options === null || options === void 0 ? void 0 : options.watch
- });
- }
- static createResolver(config, moduleMap) {
- return new (_jestResolve().default)(moduleMap, {
- defaultPlatform: config.haste.defaultPlatform,
- extensions: config.moduleFileExtensions.map(extension => '.' + extension),
- hasCoreModules: true,
- moduleDirectories: config.moduleDirectories,
- moduleNameMapper: getModuleNameMapper(config),
- modulePaths: config.modulePaths,
- platforms: config.haste.platforms,
- resolver: config.resolver,
- rootDir: config.rootDir
- });
- }
- static async runCLI() {
- throw new Error('The jest-runtime CLI has been moved into jest-repl');
- }
- static getCLIOptions() {
- throw new Error('The jest-runtime CLI has been moved into jest-repl');
- } // unstable as it should be replaced by https://github.com/nodejs/modules/issues/393, and we don't want people to use it
- unstable_shouldLoadAsEsm(path) {
- return _jestResolve().default.unstable_shouldLoadAsEsm(
- path,
- this._config.extensionsToTreatAsEsm
- );
- } // not async _now_, but transform will be
- async loadEsmModule(modulePath, query = '') {
- const cacheKey = modulePath + query;
- if (this._fileTransformsMutex.has(cacheKey)) {
- await this._fileTransformsMutex.get(cacheKey);
- }
- if (!this._esmoduleRegistry.has(cacheKey)) {
- invariant(
- typeof this._environment.getVmContext === 'function',
- 'ES Modules are only supported if your test environment has the `getVmContext` function'
- );
- const context = this._environment.getVmContext();
- invariant(context, 'Test environment has been torn down');
- let transformResolve;
- let transformReject;
- this._fileTransformsMutex.set(
- cacheKey,
- new Promise((resolve, reject) => {
- transformResolve = resolve;
- transformReject = reject;
- })
- );
- invariant(
- transformResolve && transformReject,
- 'Promise initialization should be sync - please report this bug to Jest!'
- );
- if (this._resolver.isCoreModule(modulePath)) {
- const core = this._importCoreModule(modulePath, context);
- this._esmoduleRegistry.set(cacheKey, core);
- transformResolve();
- return core;
- }
- const transformedCode = await this.transformFileAsync(modulePath, {
- isInternalModule: false,
- supportsDynamicImport: true,
- supportsExportNamespaceFrom: true,
- supportsStaticESM: true,
- supportsTopLevelAwait
- });
- try {
- const module = new (_vm().SourceTextModule)(transformedCode, {
- context,
- identifier: modulePath,
- importModuleDynamically: async (specifier, referencingModule) => {
- invariant(
- runtimeSupportsVmModules,
- 'You need to run with a version of node that supports ES Modules in the VM API. See https://jestjs.io/docs/ecmascript-modules'
- );
- const module = await this.resolveModule(
- specifier,
- referencingModule.identifier,
- referencingModule.context
- );
- return this.linkAndEvaluateModule(module);
- },
- initializeImportMeta(meta) {
- meta.url = (0, _url().pathToFileURL)(modulePath).href;
- }
- });
- invariant(
- !this._esmoduleRegistry.has(cacheKey),
- `Module cache already has entry ${cacheKey}. This is a bug in Jest, please report it!`
- );
- this._esmoduleRegistry.set(cacheKey, module);
- transformResolve();
- } catch (error) {
- transformReject(error);
- throw error;
- }
- }
- const module = this._esmoduleRegistry.get(cacheKey);
- invariant(
- module,
- 'Module cache does not contain module. This is a bug in Jest, please open up an issue'
- );
- return module;
- }
- resolveModule(specifier, referencingIdentifier, context) {
- if (this.isTornDown) {
- this._logFormattedReferenceError(
- 'You are trying to `import` a file after the Jest environment has been torn down.'
- );
- process.exitCode = 1;
- return;
- }
- if (specifier === '@jest/globals') {
- const fromCache = this._esmoduleRegistry.get('@jest/globals');
- if (fromCache) {
- return fromCache;
- }
- const globals = this.getGlobalsForEsm(referencingIdentifier, context);
- this._esmoduleRegistry.set('@jest/globals', globals);
- return globals;
- }
- if (specifier.startsWith('file://')) {
- specifier = (0, _url().fileURLToPath)(specifier);
- }
- const [path, query] = specifier.split('?');
- if (
- this._shouldMock(
- referencingIdentifier,
- path,
- this._explicitShouldMockModule,
- {
- conditions: this.esmConditions
- }
- )
- ) {
- return this.importMock(referencingIdentifier, path, context);
- }
- const resolved = this._resolveModule(referencingIdentifier, path, {
- conditions: this.esmConditions
- });
- if (
- this._resolver.isCoreModule(resolved) ||
- this.unstable_shouldLoadAsEsm(resolved)
- ) {
- return this.loadEsmModule(resolved, query);
- }
- return this.loadCjsAsEsm(referencingIdentifier, resolved, context);
- }
- async linkAndEvaluateModule(module) {
- if (this.isTornDown) {
- this._logFormattedReferenceError(
- 'You are trying to `import` a file after the Jest environment has been torn down.'
- );
- process.exitCode = 1;
- return;
- }
- if (module.status === 'unlinked') {
- // since we might attempt to link the same module in parallel, stick the promise in a weak map so every call to
- // this method can await it
- this._esmModuleLinkingMap.set(
- module,
- module.link((specifier, referencingModule) =>
- this.resolveModule(
- specifier,
- referencingModule.identifier,
- referencingModule.context
- )
- )
- );
- }
- await this._esmModuleLinkingMap.get(module);
- if (module.status === 'linked') {
- await module.evaluate();
- }
- return module;
- }
- async unstable_importModule(from, moduleName) {
- invariant(
- runtimeSupportsVmModules,
- 'You need to run with a version of node that supports ES Modules in the VM API. See https://jestjs.io/docs/ecmascript-modules'
- );
- const [path, query] = (
- moduleName !== null && moduleName !== void 0 ? moduleName : ''
- ).split('?');
- const modulePath = this._resolveModule(from, path, {
- conditions: this.esmConditions
- });
- const module = await this.loadEsmModule(modulePath, query);
- return this.linkAndEvaluateModule(module);
- }
- loadCjsAsEsm(from, modulePath, context) {
- // CJS loaded via `import` should share cache with other CJS: https://github.com/nodejs/modules/issues/503
- const cjs = this.requireModuleOrMock(from, modulePath);
- const parsedExports = this.getExportsOfCjs(modulePath);
- const cjsExports = [...parsedExports].filter(exportName => {
- // we don't wanna respect any exports _named_ default as a named export
- if (exportName === 'default') {
- return false;
- }
- return Object.hasOwnProperty.call(cjs, exportName);
- });
- const module = new (_vm().SyntheticModule)(
- [...cjsExports, 'default'],
- function () {
- cjsExports.forEach(exportName => {
- // @ts-expect-error
- this.setExport(exportName, cjs[exportName]);
- }); // @ts-expect-error: TS doesn't know what `this` is
- this.setExport('default', cjs);
- },
- {
- context,
- identifier: modulePath
- }
- );
- return evaluateSyntheticModule(module);
- }
- async importMock(from, moduleName, context) {
- const moduleID = this._resolver.getModuleID(
- this._virtualModuleMocks,
- from,
- moduleName,
- {
- conditions: this.esmConditions
- }
- );
- if (this._moduleMockRegistry.has(moduleID)) {
- return this._moduleMockRegistry.get(moduleID);
- }
- if (this._moduleMockFactories.has(moduleID)) {
- const invokedFactory = await this._moduleMockFactories.get(
- moduleID // has check above makes this ok
- )();
- const module = new (_vm().SyntheticModule)(
- Object.keys(invokedFactory),
- function () {
- Object.entries(invokedFactory).forEach(([key, value]) => {
- // @ts-expect-error: TS doesn't know what `this` is
- this.setExport(key, value);
- });
- },
- {
- context,
- identifier: moduleName
- }
- );
- this._moduleMockRegistry.set(moduleID, module);
- return evaluateSyntheticModule(module);
- }
- throw new Error('Attempting to import a mock without a factory');
- }
- getExportsOfCjs(modulePath) {
- var _this$_fileTransforms, _this$_fileTransforms2;
- const cachedNamedExports = this._cjsNamedExports.get(modulePath);
- if (cachedNamedExports) {
- return cachedNamedExports;
- }
- const transformedCode =
- (_this$_fileTransforms =
- (_this$_fileTransforms2 = this._fileTransforms.get(modulePath)) ===
- null || _this$_fileTransforms2 === void 0
- ? void 0
- : _this$_fileTransforms2.code) !== null &&
- _this$_fileTransforms !== void 0
- ? _this$_fileTransforms
- : this.readFile(modulePath);
- const {exports, reexports} = (0, _cjsModuleLexer().parse)(transformedCode);
- const namedExports = new Set(exports);
- reexports.forEach(reexport => {
- const resolved = this._resolveModule(modulePath, reexport, {
- conditions: this.esmConditions
- });
- const exports = this.getExportsOfCjs(resolved);
- exports.forEach(namedExports.add, namedExports);
- });
- this._cjsNamedExports.set(modulePath, namedExports);
- return namedExports;
- }
- requireModule(from, moduleName, options, isRequireActual = false) {
- var _options$isInternalMo;
- const isInternal =
- (_options$isInternalMo =
- options === null || options === void 0
- ? void 0
- : options.isInternalModule) !== null &&
- _options$isInternalMo !== void 0
- ? _options$isInternalMo
- : false;
- const moduleID = this._resolver.getModuleID(
- this._virtualMocks,
- from,
- moduleName,
- isInternal
- ? undefined
- : {
- conditions: this.cjsConditions
- }
- );
- let modulePath; // Some old tests rely on this mocking behavior. Ideally we'll change this
- // to be more explicit.
- const moduleResource = moduleName && this._resolver.getModule(moduleName);
- const manualMock =
- moduleName && this._resolver.getMockModule(from, moduleName);
- if (
- !(options !== null && options !== void 0 && options.isInternalModule) &&
- !isRequireActual &&
- !moduleResource &&
- manualMock &&
- manualMock !== this._isCurrentlyExecutingManualMock &&
- this._explicitShouldMock.get(moduleID) !== false
- ) {
- modulePath = manualMock;
- }
- if (moduleName && this._resolver.isCoreModule(moduleName)) {
- return this._requireCoreModule(
- moduleName,
- supportsNodeColonModulePrefixInRequire
- );
- }
- if (!modulePath) {
- modulePath = this._resolveModule(
- from,
- moduleName,
- isInternal
- ? undefined
- : {
- conditions: this.cjsConditions
- }
- );
- }
- if (this.unstable_shouldLoadAsEsm(modulePath)) {
- // Node includes more info in the message
- const error = new Error(
- `Must use import to load ES Module: ${modulePath}`
- ); // @ts-expect-error: `code` is not defined
- error.code = 'ERR_REQUIRE_ESM';
- throw error;
- }
- let moduleRegistry;
- if (isInternal) {
- moduleRegistry = this._internalModuleRegistry;
- } else if (this._isolatedModuleRegistry) {
- moduleRegistry = this._isolatedModuleRegistry;
- } else {
- moduleRegistry = this._moduleRegistry;
- }
- const module = moduleRegistry.get(modulePath);
- if (module) {
- return module.exports;
- } // We must register the pre-allocated module object first so that any
- // circular dependencies that may arise while evaluating the module can
- // be satisfied.
- const localModule = {
- children: [],
- exports: {},
- filename: modulePath,
- id: modulePath,
- loaded: false,
- path: path().dirname(modulePath)
- };
- moduleRegistry.set(modulePath, localModule);
- try {
- this._loadModule(
- localModule,
- from,
- moduleName,
- modulePath,
- options,
- moduleRegistry
- );
- } catch (error) {
- moduleRegistry.delete(modulePath);
- throw error;
- }
- return localModule.exports;
- }
- requireInternalModule(from, to) {
- if (to) {
- var _nativeModule$createR;
- const require = (
- (_nativeModule$createR = nativeModule().createRequire) !== null &&
- _nativeModule$createR !== void 0
- ? _nativeModule$createR
- : nativeModule().createRequireFromPath
- )(from);
- if (INTERNAL_MODULE_REQUIRE_OUTSIDE_OPTIMIZED_MODULES.has(to)) {
- return require(to);
- }
- const outsideJestVmPath = (0, _helpers.decodePossibleOutsideJestVmPath)(
- to
- );
- if (outsideJestVmPath) {
- return require(outsideJestVmPath);
- }
- }
- return this.requireModule(from, to, {
- isInternalModule: true,
- supportsDynamicImport: esmIsAvailable,
- supportsExportNamespaceFrom: false,
- supportsStaticESM: false,
- supportsTopLevelAwait: false
- });
- }
- requireActual(from, moduleName) {
- return this.requireModule(from, moduleName, undefined, true);
- }
- requireMock(from, moduleName) {
- var _this$_isolatedMockRe;
- const moduleID = this._resolver.getModuleID(
- this._virtualMocks,
- from,
- moduleName,
- {
- conditions: this.cjsConditions
- }
- );
- if (
- (_this$_isolatedMockRe = this._isolatedMockRegistry) !== null &&
- _this$_isolatedMockRe !== void 0 &&
- _this$_isolatedMockRe.has(moduleID)
- ) {
- return this._isolatedMockRegistry.get(moduleID);
- } else if (this._mockRegistry.has(moduleID)) {
- return this._mockRegistry.get(moduleID);
- }
- const mockRegistry = this._isolatedMockRegistry || this._mockRegistry;
- if (this._mockFactories.has(moduleID)) {
- // has check above makes this ok
- const module = this._mockFactories.get(moduleID)();
- mockRegistry.set(moduleID, module);
- return module;
- }
- const manualMockOrStub = this._resolver.getMockModule(from, moduleName);
- let modulePath =
- this._resolver.getMockModule(from, moduleName) ||
- this._resolveModule(from, moduleName, {
- conditions: this.cjsConditions
- });
- let isManualMock =
- manualMockOrStub &&
- !this._resolver.resolveStubModuleName(from, moduleName);
- if (!isManualMock) {
- // If the actual module file has a __mocks__ dir sitting immediately next
- // to it, look to see if there is a manual mock for this file.
- //
- // subDir1/my_module.js
- // subDir1/__mocks__/my_module.js
- // subDir2/my_module.js
- // subDir2/__mocks__/my_module.js
- //
- // Where some other module does a relative require into each of the
- // respective subDir{1,2} directories and expects a manual mock
- // corresponding to that particular my_module.js file.
- const moduleDir = path().dirname(modulePath);
- const moduleFileName = path().basename(modulePath);
- const potentialManualMock = path().join(
- moduleDir,
- '__mocks__',
- moduleFileName
- );
- if (fs().existsSync(potentialManualMock)) {
- isManualMock = true;
- modulePath = potentialManualMock;
- }
- }
- if (isManualMock) {
- const localModule = {
- children: [],
- exports: {},
- filename: modulePath,
- id: modulePath,
- loaded: false,
- path: path().dirname(modulePath)
- };
- this._loadModule(
- localModule,
- from,
- moduleName,
- modulePath,
- undefined,
- mockRegistry
- );
- mockRegistry.set(moduleID, localModule.exports);
- } else {
- // Look for a real module to generate an automock from
- mockRegistry.set(moduleID, this._generateMock(from, moduleName));
- }
- return mockRegistry.get(moduleID);
- }
- _loadModule(
- localModule,
- from,
- moduleName,
- modulePath,
- options,
- moduleRegistry
- ) {
- if (path().extname(modulePath) === '.json') {
- const text = (0, _stripBom().default)(this.readFile(modulePath));
- const transformedFile = this._scriptTransformer.transformJson(
- modulePath,
- this._getFullTransformationOptions(options),
- text
- );
- localModule.exports =
- this._environment.global.JSON.parse(transformedFile);
- } else if (path().extname(modulePath) === '.node') {
- localModule.exports = require(modulePath);
- } else {
- // Only include the fromPath if a moduleName is given. Else treat as root.
- const fromPath = moduleName ? from : null;
- this._execModule(localModule, options, moduleRegistry, fromPath);
- }
- localModule.loaded = true;
- }
- _getFullTransformationOptions(options = defaultTransformOptions) {
- return {...options, ...this._coverageOptions};
- }
- requireModuleOrMock(from, moduleName) {
- // this module is unmockable
- if (moduleName === '@jest/globals') {
- // @ts-expect-error: we don't care that it's not assignable to T
- return this.getGlobalsForCjs(from);
- }
- try {
- if (
- this._shouldMock(from, moduleName, this._explicitShouldMock, {
- conditions: this.cjsConditions
- })
- ) {
- return this.requireMock(from, moduleName);
- } else {
- return this.requireModule(from, moduleName);
- }
- } catch (e) {
- const moduleNotFound =
- _jestResolve().default.tryCastModuleNotFoundError(e);
- if (moduleNotFound) {
- if (
- moduleNotFound.siblingWithSimilarExtensionFound === null ||
- moduleNotFound.siblingWithSimilarExtensionFound === undefined
- ) {
- moduleNotFound.hint = (0, _helpers.findSiblingsWithFileExtension)(
- this._config.moduleFileExtensions,
- from,
- moduleNotFound.moduleName || moduleName
- );
- moduleNotFound.siblingWithSimilarExtensionFound = Boolean(
- moduleNotFound.hint
- );
- }
- moduleNotFound.buildMessage(this._config.rootDir);
- throw moduleNotFound;
- }
- throw e;
- }
- }
- isolateModules(fn) {
- if (this._isolatedModuleRegistry || this._isolatedMockRegistry) {
- throw new Error(
- 'isolateModules cannot be nested inside another isolateModules.'
- );
- }
- this._isolatedModuleRegistry = new Map();
- this._isolatedMockRegistry = new Map();
- try {
- fn();
- } finally {
- var _this$_isolatedModule, _this$_isolatedMockRe2;
- // might be cleared within the callback
- (_this$_isolatedModule = this._isolatedModuleRegistry) === null ||
- _this$_isolatedModule === void 0
- ? void 0
- : _this$_isolatedModule.clear();
- (_this$_isolatedMockRe2 = this._isolatedMockRegistry) === null ||
- _this$_isolatedMockRe2 === void 0
- ? void 0
- : _this$_isolatedMockRe2.clear();
- this._isolatedModuleRegistry = null;
- this._isolatedMockRegistry = null;
- }
- }
- resetModules() {
- var _this$_isolatedModule2, _this$_isolatedMockRe3;
- (_this$_isolatedModule2 = this._isolatedModuleRegistry) === null ||
- _this$_isolatedModule2 === void 0
- ? void 0
- : _this$_isolatedModule2.clear();
- (_this$_isolatedMockRe3 = this._isolatedMockRegistry) === null ||
- _this$_isolatedMockRe3 === void 0
- ? void 0
- : _this$_isolatedMockRe3.clear();
- this._isolatedModuleRegistry = null;
- this._isolatedMockRegistry = null;
- this._mockRegistry.clear();
- this._moduleRegistry.clear();
- this._esmoduleRegistry.clear();
- this._cjsNamedExports.clear();
- this._moduleMockRegistry.clear();
- if (this._environment) {
- if (this._environment.global) {
- const envGlobal = this._environment.global;
- Object.keys(envGlobal).forEach(key => {
- const globalMock = envGlobal[key];
- if (
- ((typeof globalMock === 'object' && globalMock !== null) ||
- typeof globalMock === 'function') &&
- globalMock._isMockFunction === true
- ) {
- globalMock.mockClear();
- }
- });
- }
- if (this._environment.fakeTimers) {
- this._environment.fakeTimers.clearAllTimers();
- }
- }
- }
- async collectV8Coverage() {
- this._v8CoverageInstrumenter =
- new (_collectV8Coverage().CoverageInstrumenter)();
- await this._v8CoverageInstrumenter.startInstrumenting();
- }
- async stopCollectingV8Coverage() {
- if (!this._v8CoverageInstrumenter) {
- throw new Error('You need to call `collectV8Coverage` first.');
- }
- this._v8CoverageResult =
- await this._v8CoverageInstrumenter.stopInstrumenting();
- }
- getAllCoverageInfoCopy() {
- return (0, _jestUtil().deepCyclicCopy)(
- this._environment.global.__coverage__
- );
- }
- getAllV8CoverageInfoCopy() {
- if (!this._v8CoverageResult) {
- throw new Error('You need to `stopCollectingV8Coverage` first');
- }
- return this._v8CoverageResult
- .filter(res => res.url.startsWith('file://'))
- .map(res => ({...res, url: (0, _url().fileURLToPath)(res.url)}))
- .filter(
- (
- res // TODO: will this work on windows? It might be better if `shouldInstrument` deals with it anyways
- ) =>
- res.url.startsWith(this._config.rootDir) &&
- this._fileTransforms.has(res.url) &&
- (0, _transform().shouldInstrument)(
- res.url,
- this._coverageOptions,
- this._config
- )
- )
- .map(result => {
- const transformedFile = this._fileTransforms.get(result.url);
- return {
- codeTransformResult: transformedFile,
- result
- };
- });
- }
- getSourceMaps() {
- return this._sourceMapRegistry;
- }
- setMock(from, moduleName, mockFactory, options) {
- if (options !== null && options !== void 0 && options.virtual) {
- const mockPath = this._resolver.getModulePath(from, moduleName);
- this._virtualMocks.set(mockPath, true);
- }
- const moduleID = this._resolver.getModuleID(
- this._virtualMocks,
- from,
- moduleName,
- {
- conditions: this.cjsConditions
- }
- );
- this._explicitShouldMock.set(moduleID, true);
- this._mockFactories.set(moduleID, mockFactory);
- }
- setModuleMock(from, moduleName, mockFactory, options) {
- if (options !== null && options !== void 0 && options.virtual) {
- const mockPath = this._resolver.getModulePath(from, moduleName);
- this._virtualModuleMocks.set(mockPath, true);
- }
- const moduleID = this._resolver.getModuleID(
- this._virtualModuleMocks,
- from,
- moduleName,
- {
- conditions: this.esmConditions
- }
- );
- this._explicitShouldMockModule.set(moduleID, true);
- this._moduleMockFactories.set(moduleID, mockFactory);
- }
- restoreAllMocks() {
- this._moduleMocker.restoreAllMocks();
- }
- resetAllMocks() {
- this._moduleMocker.resetAllMocks();
- }
- clearAllMocks() {
- this._moduleMocker.clearAllMocks();
- }
- teardown() {
- this.restoreAllMocks();
- this.resetAllMocks();
- this.resetModules();
- this._internalModuleRegistry.clear();
- this._mainModule = null;
- this._mockFactories.clear();
- this._moduleMockFactories.clear();
- this._mockMetaDataCache.clear();
- this._shouldMockModuleCache.clear();
- this._shouldUnmockTransitiveDependenciesCache.clear();
- this._explicitShouldMock.clear();
- this._explicitShouldMockModule.clear();
- this._transitiveShouldMock.clear();
- this._virtualMocks.clear();
- this._virtualModuleMocks.clear();
- this._cacheFS.clear();
- this._unmockList = undefined;
- this._sourceMapRegistry.clear();
- this._fileTransforms.clear();
- this._fileTransformsMutex.clear();
- this.jestObjectCaches.clear();
- this._v8CoverageResult = [];
- this._v8CoverageInstrumenter = undefined;
- this._moduleImplementation = undefined;
- this.isTornDown = true;
- }
- _resolveModule(from, to, options) {
- return to ? this._resolver.resolveModule(from, to, options) : from;
- }
- _requireResolve(from, moduleName, options = {}) {
- if (moduleName == null) {
- throw new Error(
- 'The first argument to require.resolve must be a string. Received null or undefined.'
- );
- }
- if (path().isAbsolute(moduleName)) {
- const module = this._resolver.resolveModuleFromDirIfExists(
- moduleName,
- moduleName,
- {
- conditions: this.cjsConditions,
- paths: []
- }
- );
- if (module) {
- return module;
- }
- } else {
- const {paths} = options;
- if (paths) {
- for (const p of paths) {
- const absolutePath = path().resolve(from, '..', p);
- const module = this._resolver.resolveModuleFromDirIfExists(
- absolutePath,
- moduleName, // required to also resolve files without leading './' directly in the path
- {
- conditions: this.cjsConditions,
- paths: [absolutePath]
- }
- );
- if (module) {
- return module;
- }
- }
- throw new (_jestResolve().default.ModuleNotFoundError)(
- `Cannot resolve module '${moduleName}' from paths ['${paths.join(
- "', '"
- )}'] from ${from}`
- );
- }
- }
- try {
- return this._resolveModule(from, moduleName, {
- conditions: this.cjsConditions
- });
- } catch (err) {
- const module = this._resolver.getMockModule(from, moduleName);
- if (module) {
- return module;
- } else {
- throw err;
- }
- }
- }
- _requireResolvePaths(from, moduleName) {
- if (moduleName == null) {
- throw new Error(
- 'The first argument to require.resolve.paths must be a string. Received null or undefined.'
- );
- }
- if (!moduleName.length) {
- throw new Error(
- 'The first argument to require.resolve.paths must not be the empty string.'
- );
- }
- if (moduleName[0] === '.') {
- return [path().resolve(from, '..')];
- }
- if (this._resolver.isCoreModule(moduleName)) {
- return null;
- }
- return this._resolver.getModulePaths(path().resolve(from, '..'));
- }
- _execModule(localModule, options, moduleRegistry, from) {
- if (this.isTornDown) {
- this._logFormattedReferenceError(
- 'You are trying to `import` a file after the Jest environment has been torn down.'
- );
- process.exitCode = 1;
- return;
- } // If the environment was disposed, prevent this module from being executed.
- if (!this._environment.global) {
- return;
- }
- const module = localModule;
- const filename = module.filename;
- const lastExecutingModulePath = this._currentlyExecutingModulePath;
- this._currentlyExecutingModulePath = filename;
- const origCurrExecutingManualMock = this._isCurrentlyExecutingManualMock;
- this._isCurrentlyExecutingManualMock = filename;
- module.children = [];
- Object.defineProperty(module, 'parent', {
- enumerable: true,
- get() {
- const key = from || '';
- return moduleRegistry.get(key) || null;
- }
- });
- module.paths = this._resolver.getModulePaths(module.path);
- Object.defineProperty(module, 'require', {
- value: this._createRequireImplementation(module, options)
- });
- const transformedCode = this.transformFile(filename, options);
- let compiledFunction = null;
- const script = this.createScriptFromCode(transformedCode, filename);
- let runScript = null;
- const vmContext = this._environment.getVmContext();
- if (vmContext) {
- runScript = script.runInContext(vmContext, {
- filename
- });
- }
- if (runScript !== null) {
- compiledFunction = runScript[EVAL_RESULT_VARIABLE];
- }
- if (compiledFunction === null) {
- this._logFormattedReferenceError(
- 'You are trying to `import` a file after the Jest environment has been torn down.'
- );
- process.exitCode = 1;
- return;
- }
- const jestObject = this._createJestObjectFor(filename);
- this.jestObjectCaches.set(filename, jestObject);
- const lastArgs = [
- this._config.injectGlobals ? jestObject : undefined, // jest object
- ...this._config.extraGlobals.map(globalVariable => {
- if (this._environment.global[globalVariable]) {
- return this._environment.global[globalVariable];
- }
- throw new Error(
- `You have requested '${globalVariable}' as a global variable, but it was not present. Please check your config or your global environment.`
- );
- })
- ];
- if (!this._mainModule && filename === this._testPath) {
- this._mainModule = module;
- }
- Object.defineProperty(module, 'main', {
- enumerable: true,
- value: this._mainModule
- });
- try {
- compiledFunction.call(
- module.exports,
- module, // module object
- module.exports, // module exports
- module.require, // require implementation
- module.path, // __dirname
- module.filename, // __filename
- // @ts-expect-error
- ...lastArgs.filter(notEmpty)
- );
- } catch (error) {
- this.handleExecutionError(error, module);
- }
- this._isCurrentlyExecutingManualMock = origCurrExecutingManualMock;
- this._currentlyExecutingModulePath = lastExecutingModulePath;
- }
- transformFile(filename, options) {
- const source = this.readFile(filename);
- if (options !== null && options !== void 0 && options.isInternalModule) {
- return source;
- }
- let transformedFile = this._fileTransforms.get(filename);
- if (transformedFile) {
- return transformedFile.code;
- }
- transformedFile = this._scriptTransformer.transform(
- filename,
- this._getFullTransformationOptions(options),
- source
- );
- this._fileTransforms.set(filename, {
- ...transformedFile,
- wrapperLength: this.constructModuleWrapperStart().length
- });
- if (transformedFile.sourceMapPath) {
- this._sourceMapRegistry.set(filename, transformedFile.sourceMapPath);
- }
- return transformedFile.code;
- }
- async transformFileAsync(filename, options) {
- const source = this.readFile(filename);
- if (options !== null && options !== void 0 && options.isInternalModule) {
- return source;
- }
- let transformedFile = this._fileTransforms.get(filename);
- if (transformedFile) {
- return transformedFile.code;
- }
- transformedFile = await this._scriptTransformer.transformAsync(
- filename,
- this._getFullTransformationOptions(options),
- source
- );
- this._fileTransforms.set(filename, {...transformedFile, wrapperLength: 0});
- if (transformedFile.sourceMapPath) {
- this._sourceMapRegistry.set(filename, transformedFile.sourceMapPath);
- }
- return transformedFile.code;
- }
- createScriptFromCode(scriptSource, filename) {
- try {
- const scriptFilename = this._resolver.isCoreModule(filename)
- ? `jest-nodejs-core-${filename}`
- : filename;
- return new (_vm().Script)(this.wrapCodeInModuleWrapper(scriptSource), {
- displayErrors: true,
- filename: scriptFilename,
- // @ts-expect-error: Experimental ESM API
- importModuleDynamically: async specifier => {
- var _this$_environment$ge, _this$_environment2;
- invariant(
- runtimeSupportsVmModules,
- 'You need to run with a version of node that supports ES Modules in the VM API. See https://jestjs.io/docs/ecmascript-modules'
- );
- const context =
- (_this$_environment$ge = (_this$_environment2 = this._environment)
- .getVmContext) === null || _this$_environment$ge === void 0
- ? void 0
- : _this$_environment$ge.call(_this$_environment2);
- invariant(context, 'Test environment has been torn down');
- const module = await this.resolveModule(
- specifier,
- scriptFilename,
- context
- );
- return this.linkAndEvaluateModule(module);
- }
- });
- } catch (e) {
- throw (0, _transform().handlePotentialSyntaxError)(e);
- }
- }
- _requireCoreModule(moduleName, supportPrefix) {
- const moduleWithoutNodePrefix =
- supportPrefix && moduleName.startsWith('node:')
- ? moduleName.slice('node:'.length)
- : moduleName;
- if (moduleWithoutNodePrefix === 'process') {
- return this._environment.global.process;
- }
- if (moduleWithoutNodePrefix === 'module') {
- return this._getMockedNativeModule();
- }
- return require(moduleWithoutNodePrefix);
- }
- _importCoreModule(moduleName, context) {
- const required = this._requireCoreModule(
- moduleName,
- supportsNodeColonModulePrefixInImport
- );
- const module = new (_vm().SyntheticModule)(
- ['default', ...Object.keys(required)],
- function () {
- // @ts-expect-error: TS doesn't know what `this` is
- this.setExport('default', required);
- Object.entries(required).forEach(([key, value]) => {
- // @ts-expect-error: TS doesn't know what `this` is
- this.setExport(key, value);
- });
- }, // should identifier be `node://${moduleName}`?
- {
- context,
- identifier: moduleName
- }
- );
- return evaluateSyntheticModule(module);
- }
- _getMockedNativeModule() {
- if (this._moduleImplementation) {
- return this._moduleImplementation;
- }
- const createRequire = modulePath => {
- const filename =
- typeof modulePath === 'string'
- ? modulePath.startsWith('file:///')
- ? (0, _url().fileURLToPath)(new (_url().URL)(modulePath))
- : modulePath
- : (0, _url().fileURLToPath)(modulePath);
- if (!path().isAbsolute(filename)) {
- const error = new TypeError(
- `The argument 'filename' must be a file URL object, file URL string, or absolute path string. Received '${filename}'`
- ); // @ts-expect-error
- error.code = 'ERR_INVALID_ARG_TYPE';
- throw error;
- }
- return this._createRequireImplementation({
- children: [],
- exports: {},
- filename,
- id: filename,
- loaded: false,
- path: path().dirname(filename)
- });
- }; // should we implement the class ourselves?
- class Module extends nativeModule().Module {}
- Object.entries(nativeModule().Module).forEach(([key, value]) => {
- // @ts-expect-error
- Module[key] = value;
- });
- Module.Module = Module;
- if ('createRequire' in nativeModule()) {
- Module.createRequire = createRequire;
- }
- if ('createRequireFromPath' in nativeModule()) {
- Module.createRequireFromPath = function createRequireFromPath(filename) {
- if (typeof filename !== 'string') {
- const error = new TypeError(
- `The argument 'filename' must be string. Received '${filename}'.${
- filename instanceof _url().URL
- ? ' Use createRequire for URL filename.'
- : ''
- }`
- ); // @ts-expect-error
- error.code = 'ERR_INVALID_ARG_TYPE';
- throw error;
- }
- return createRequire(filename);
- };
- }
- if ('syncBuiltinESMExports' in nativeModule()) {
- // cast since TS seems very confused about whether it exists or not
- Module.syncBuiltinESMExports = function syncBuiltinESMExports() {};
- }
- this._moduleImplementation = Module;
- return Module;
- }
- _generateMock(from, moduleName) {
- const modulePath =
- this._resolver.resolveStubModuleName(from, moduleName) ||
- this._resolveModule(from, moduleName, {
- conditions: this.cjsConditions
- });
- if (!this._mockMetaDataCache.has(modulePath)) {
- // This allows us to handle circular dependencies while generating an
- // automock
- this._mockMetaDataCache.set(
- modulePath,
- this._moduleMocker.getMetadata({}) || {}
- ); // In order to avoid it being possible for automocking to potentially
- // cause side-effects within the module environment, we need to execute
- // the module in isolation. This could cause issues if the module being
- // mocked has calls into side-effectful APIs on another module.
- const origMockRegistry = this._mockRegistry;
- const origModuleRegistry = this._moduleRegistry;
- this._mockRegistry = new Map();
- this._moduleRegistry = new Map();
- const moduleExports = this.requireModule(from, moduleName); // Restore the "real" module/mock registries
- this._mockRegistry = origMockRegistry;
- this._moduleRegistry = origModuleRegistry;
- const mockMetadata = this._moduleMocker.getMetadata(moduleExports);
- if (mockMetadata == null) {
- throw new Error(
- `Failed to get mock metadata: ${modulePath}\n\n` +
- 'See: https://jestjs.io/docs/manual-mocks#content'
- );
- }
- this._mockMetaDataCache.set(modulePath, mockMetadata);
- }
- return this._moduleMocker.generateFromMetadata(
- // added above if missing
- this._mockMetaDataCache.get(modulePath)
- );
- }
- _shouldMock(from, moduleName, explicitShouldMock, options) {
- const moduleID = this._resolver.getModuleID(
- this._virtualMocks,
- from,
- moduleName,
- options
- );
- const key = from + path().delimiter + moduleID;
- if (explicitShouldMock.has(moduleID)) {
- // guaranteed by `has` above
- return explicitShouldMock.get(moduleID);
- }
- if (
- !this._shouldAutoMock ||
- this._resolver.isCoreModule(moduleName) ||
- this._shouldUnmockTransitiveDependenciesCache.get(key)
- ) {
- return false;
- }
- if (this._shouldMockModuleCache.has(moduleID)) {
- // guaranteed by `has` above
- return this._shouldMockModuleCache.get(moduleID);
- }
- let modulePath;
- try {
- modulePath = this._resolveModule(from, moduleName, options);
- } catch (e) {
- const manualMock = this._resolver.getMockModule(from, moduleName);
- if (manualMock) {
- this._shouldMockModuleCache.set(moduleID, true);
- return true;
- }
- throw e;
- }
- if (this._unmockList && this._unmockList.test(modulePath)) {
- this._shouldMockModuleCache.set(moduleID, false);
- return false;
- } // transitive unmocking for package managers that store flat packages (npm3)
- const currentModuleID = this._resolver.getModuleID(
- this._virtualMocks,
- from,
- undefined,
- options
- );
- if (
- this._transitiveShouldMock.get(currentModuleID) === false ||
- (from.includes(NODE_MODULES) &&
- modulePath.includes(NODE_MODULES) &&
- ((this._unmockList && this._unmockList.test(from)) ||
- explicitShouldMock.get(currentModuleID) === false))
- ) {
- this._transitiveShouldMock.set(moduleID, false);
- this._shouldUnmockTransitiveDependenciesCache.set(key, true);
- return false;
- }
- this._shouldMockModuleCache.set(moduleID, true);
- return true;
- }
- _createRequireImplementation(from, options) {
- const resolve = (moduleName, resolveOptions) => {
- const resolved = this._requireResolve(
- from.filename,
- moduleName,
- resolveOptions
- );
- if (
- resolveOptions !== null &&
- resolveOptions !== void 0 &&
- resolveOptions[JEST_RESOLVE_OUTSIDE_VM_OPTION] &&
- options !== null &&
- options !== void 0 &&
- options.isInternalModule
- ) {
- return (0, _helpers.createOutsideJestVmPath)(resolved);
- }
- return resolved;
- };
- resolve.paths = moduleName =>
- this._requireResolvePaths(from.filename, moduleName);
- const moduleRequire =
- options !== null && options !== void 0 && options.isInternalModule
- ? moduleName => this.requireInternalModule(from.filename, moduleName)
- : this.requireModuleOrMock.bind(this, from.filename);
- moduleRequire.extensions = Object.create(null);
- moduleRequire.resolve = resolve;
- moduleRequire.cache = (() => {
- // TODO: consider warning somehow that this does nothing. We should support deletions, anyways
- const notPermittedMethod = () => true;
- return new Proxy(Object.create(null), {
- defineProperty: notPermittedMethod,
- deleteProperty: notPermittedMethod,
- get: (_target, key) =>
- typeof key === 'string' ? this._moduleRegistry.get(key) : undefined,
- getOwnPropertyDescriptor() {
- return {
- configurable: true,
- enumerable: true
- };
- },
- has: (_target, key) =>
- typeof key === 'string' && this._moduleRegistry.has(key),
- ownKeys: () => Array.from(this._moduleRegistry.keys()),
- set: notPermittedMethod
- });
- })();
- Object.defineProperty(moduleRequire, 'main', {
- enumerable: true,
- value: this._mainModule
- });
- return moduleRequire;
- }
- _createJestObjectFor(from) {
- var _this$_moduleMocker$m, _this$_moduleMocker$m2;
- const disableAutomock = () => {
- this._shouldAutoMock = false;
- return jestObject;
- };
- const enableAutomock = () => {
- this._shouldAutoMock = true;
- return jestObject;
- };
- const unmock = moduleName => {
- const moduleID = this._resolver.getModuleID(
- this._virtualMocks,
- from,
- moduleName,
- {
- conditions: this.cjsConditions
- }
- );
- this._explicitShouldMock.set(moduleID, false);
- return jestObject;
- };
- const deepUnmock = moduleName => {
- const moduleID = this._resolver.getModuleID(
- this._virtualMocks,
- from,
- moduleName,
- {
- conditions: this.cjsConditions
- }
- );
- this._explicitShouldMock.set(moduleID, false);
- this._transitiveShouldMock.set(moduleID, false);
- return jestObject;
- };
- const mock = (moduleName, mockFactory, options) => {
- if (mockFactory !== undefined) {
- return setMockFactory(moduleName, mockFactory, options);
- }
- const moduleID = this._resolver.getModuleID(
- this._virtualMocks,
- from,
- moduleName,
- {
- conditions: this.cjsConditions
- }
- );
- this._explicitShouldMock.set(moduleID, true);
- return jestObject;
- };
- const setMockFactory = (moduleName, mockFactory, options) => {
- this.setMock(from, moduleName, mockFactory, options);
- return jestObject;
- };
- const mockModule = (moduleName, mockFactory, options) => {
- if (typeof mockFactory !== 'function') {
- throw new Error('`unstable_mockModule` must be passed a mock factory');
- }
- this.setModuleMock(from, moduleName, mockFactory, options);
- return jestObject;
- };
- const clearAllMocks = () => {
- this.clearAllMocks();
- return jestObject;
- };
- const resetAllMocks = () => {
- this.resetAllMocks();
- return jestObject;
- };
- const restoreAllMocks = () => {
- this.restoreAllMocks();
- return jestObject;
- };
- const _getFakeTimers = () => {
- if (
- this.isTornDown ||
- !(this._environment.fakeTimers || this._environment.fakeTimersModern)
- ) {
- this._logFormattedReferenceError(
- 'You are trying to access a property or method of the Jest environment after it has been torn down.'
- );
- process.exitCode = 1;
- }
- return this._fakeTimersImplementation;
- };
- const useFakeTimers = (type = 'modern') => {
- if (type === 'legacy') {
- this._fakeTimersImplementation = this._environment.fakeTimers;
- } else {
- this._fakeTimersImplementation = this._environment.fakeTimersModern;
- }
- this._fakeTimersImplementation.useFakeTimers();
- return jestObject;
- };
- const useRealTimers = () => {
- _getFakeTimers().useRealTimers();
- return jestObject;
- };
- const resetModules = () => {
- this.resetModules();
- return jestObject;
- };
- const isolateModules = fn => {
- this.isolateModules(fn);
- return jestObject;
- };
- const fn = this._moduleMocker.fn.bind(this._moduleMocker);
- const spyOn = this._moduleMocker.spyOn.bind(this._moduleMocker);
- const mocked =
- (_this$_moduleMocker$m =
- (_this$_moduleMocker$m2 = this._moduleMocker.mocked) === null ||
- _this$_moduleMocker$m2 === void 0
- ? void 0
- : _this$_moduleMocker$m2.bind(this._moduleMocker)) !== null &&
- _this$_moduleMocker$m !== void 0
- ? _this$_moduleMocker$m
- : () => {
- throw new Error(
- 'Your test environment does not support `mocked`, please update it.'
- );
- };
- const setTimeout = timeout => {
- if (this._environment.global.jasmine) {
- this._environment.global.jasmine._DEFAULT_TIMEOUT_INTERVAL = timeout;
- } else {
- // @ts-expect-error: https://github.com/Microsoft/TypeScript/issues/24587
- this._environment.global[testTimeoutSymbol] = timeout;
- }
- return jestObject;
- };
- const retryTimes = numTestRetries => {
- // @ts-expect-error: https://github.com/Microsoft/TypeScript/issues/24587
- this._environment.global[retryTimesSymbol] = numTestRetries;
- return jestObject;
- };
- const jestObject = {
- advanceTimersByTime: msToRun =>
- _getFakeTimers().advanceTimersByTime(msToRun),
- advanceTimersToNextTimer: steps =>
- _getFakeTimers().advanceTimersToNextTimer(steps),
- autoMockOff: disableAutomock,
- autoMockOn: enableAutomock,
- clearAllMocks,
- clearAllTimers: () => _getFakeTimers().clearAllTimers(),
- createMockFromModule: moduleName => this._generateMock(from, moduleName),
- deepUnmock,
- disableAutomock,
- doMock: mock,
- dontMock: unmock,
- enableAutomock,
- fn,
- genMockFromModule: moduleName => this._generateMock(from, moduleName),
- getRealSystemTime: () => {
- const fakeTimers = _getFakeTimers();
- if (fakeTimers === this._environment.fakeTimersModern) {
- return fakeTimers.getRealSystemTime();
- } else {
- throw new TypeError(
- 'getRealSystemTime is not available when not using modern timers'
- );
- }
- },
- getTimerCount: () => _getFakeTimers().getTimerCount(),
- isMockFunction: this._moduleMocker.isMockFunction,
- isolateModules,
- mock,
- mocked,
- requireActual: this.requireActual.bind(this, from),
- requireMock: this.requireMock.bind(this, from),
- resetAllMocks,
- resetModules,
- restoreAllMocks,
- retryTimes,
- runAllImmediates: () => {
- const fakeTimers = _getFakeTimers();
- if (fakeTimers === this._environment.fakeTimers) {
- fakeTimers.runAllImmediates();
- } else {
- throw new TypeError(
- 'runAllImmediates is not available when using modern timers'
- );
- }
- },
- runAllTicks: () => _getFakeTimers().runAllTicks(),
- runAllTimers: () => _getFakeTimers().runAllTimers(),
- runOnlyPendingTimers: () => _getFakeTimers().runOnlyPendingTimers(),
- setMock: (moduleName, mock) => setMockFactory(moduleName, () => mock),
- setSystemTime: now => {
- const fakeTimers = _getFakeTimers();
- if (fakeTimers === this._environment.fakeTimersModern) {
- fakeTimers.setSystemTime(now);
- } else {
- throw new TypeError(
- 'setSystemTime is not available when not using modern timers'
- );
- }
- },
- setTimeout,
- spyOn,
- unmock,
- unstable_mockModule: mockModule,
- useFakeTimers,
- useRealTimers
- };
- return jestObject;
- }
- _logFormattedReferenceError(errorMessage) {
- const testPath = this._testPath
- ? ` From ${(0, _slash().default)(
- path().relative(this._config.rootDir, this._testPath)
- )}.`
- : '';
- const originalStack = new ReferenceError(`${errorMessage}${testPath}`).stack
- .split('\n') // Remove this file from the stack (jest-message-utils will keep one line)
- .filter(line => line.indexOf(__filename) === -1)
- .join('\n');
- const {message, stack} = (0, _jestMessageUtil().separateMessageFromStack)(
- originalStack
- );
- console.error(
- `\n${message}\n` +
- (0, _jestMessageUtil().formatStackTrace)(stack, this._config, {
- noStackTrace: false
- })
- );
- }
- wrapCodeInModuleWrapper(content) {
- return this.constructModuleWrapperStart() + content + '\n}});';
- }
- constructModuleWrapperStart() {
- const args = this.constructInjectedModuleParameters();
- return '({"' + EVAL_RESULT_VARIABLE + `":function(${args.join(',')}){`;
- }
- constructInjectedModuleParameters() {
- return [
- 'module',
- 'exports',
- 'require',
- '__dirname',
- '__filename',
- this._config.injectGlobals ? 'jest' : undefined,
- ...this._config.extraGlobals
- ].filter(notEmpty);
- }
- handleExecutionError(e, module) {
- const moduleNotFoundError =
- _jestResolve().default.tryCastModuleNotFoundError(e);
- if (moduleNotFoundError) {
- if (!moduleNotFoundError.requireStack) {
- moduleNotFoundError.requireStack = [module.filename || module.id];
- for (let cursor = module.parent; cursor; cursor = cursor.parent) {
- moduleNotFoundError.requireStack.push(cursor.filename || cursor.id);
- }
- moduleNotFoundError.buildMessage(this._config.rootDir);
- }
- throw moduleNotFoundError;
- }
- throw e;
- }
- getGlobalsForCjs(from) {
- const jest = this.jestObjectCaches.get(from);
- invariant(jest, 'There should always be a Jest object already');
- return {...this.getGlobalsFromEnvironment(), jest};
- }
- getGlobalsForEsm(from, context) {
- let jest = this.jestObjectCaches.get(from);
- if (!jest) {
- jest = this._createJestObjectFor(from);
- this.jestObjectCaches.set(from, jest);
- }
- const globals = {...this.getGlobalsFromEnvironment(), jest};
- const module = new (_vm().SyntheticModule)(
- Object.keys(globals),
- function () {
- Object.entries(globals).forEach(([key, value]) => {
- // @ts-expect-error: TS doesn't know what `this` is
- this.setExport(key, value);
- });
- },
- {
- context,
- identifier: '@jest/globals'
- }
- );
- return evaluateSyntheticModule(module);
- }
- getGlobalsFromEnvironment() {
- if (this.jestGlobals) {
- return {...this.jestGlobals};
- }
- return {
- afterAll: this._environment.global.afterAll,
- afterEach: this._environment.global.afterEach,
- beforeAll: this._environment.global.beforeAll,
- beforeEach: this._environment.global.beforeEach,
- describe: this._environment.global.describe,
- expect: this._environment.global.expect,
- fdescribe: this._environment.global.fdescribe,
- fit: this._environment.global.fit,
- it: this._environment.global.it,
- test: this._environment.global.test,
- xdescribe: this._environment.global.xdescribe,
- xit: this._environment.global.xit,
- xtest: this._environment.global.xtest
- };
- }
- readFile(filename) {
- let source = this._cacheFS.get(filename);
- if (!source) {
- source = fs().readFileSync(filename, 'utf8');
- this._cacheFS.set(filename, source);
- }
- return source;
- }
- setGlobalsForRuntime(globals) {
- this.jestGlobals = globals;
- }
- }
- exports.default = Runtime;
- _defineProperty(Runtime, 'shouldInstrument', _transform().shouldInstrument);
- function invariant(condition, message) {
- if (!condition) {
- throw new Error(message);
- }
- }
- function notEmpty(value) {
- return value !== null && value !== undefined;
- }
- async function evaluateSyntheticModule(module) {
- await module.link(() => {
- throw new Error('This should never happen');
- });
- await module.evaluate();
- return module;
- }
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