Izmjenjena struktura, dodan backand

This commit is contained in:
GotPPay
2017-10-16 11:19:46 +02:00
parent 1ec88afacb
commit 048e32c4aa
37153 changed files with 2975854 additions and 1 deletions

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'use strict'; /**
* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*
*/
const crypto = require('crypto');
const path = require('path');
const vm = require('vm');var _require =
require('jest-util');const createDirectory = _require.createDirectory;
const fs = require('graceful-fs');var _require2 =
require('jest-haste-map');const getCacheFilePath = _require2.getCacheFilePath;
const stableStringify = require('json-stable-stringify');
const slash = require('slash');
const VERSION = require('../package.json').version;
const shouldInstrument = require('./shouldInstrument');
const cache = new Map();
const configToJsonMap = new Map();
// Cache regular expressions to test whether the file needs to be preprocessed
const ignoreCache = new WeakMap();
class ScriptTransformer {
constructor(config) {
this._config = config;
this._transformCache = new Map();
}
_getCacheKey(
fileData,
filename,
instrument,
mapCoverage)
{
if (!configToJsonMap.has(this._config)) {
// We only need this set of config options that can likely influence
// cached output instead of all config options.
configToJsonMap.set(this._config, stableStringify(this._config));
}
const configString = configToJsonMap.get(this._config) || '';
const transformer = this._getTransformer(filename, this._config);
if (transformer && typeof transformer.getCacheKey === 'function') {
return transformer.getCacheKey(fileData, filename, configString, {
instrument });
} else {
return crypto.
createHash('md5').
update(fileData).
update(configString).
update(instrument ? 'instrument' : '').
update(mapCoverage ? 'mapCoverage' : '').
digest('hex');
}
}
_getFileCachePath(
filename,
content,
instrument,
mapCoverage)
{
const baseCacheDir = getCacheFilePath(
this._config.cacheDirectory,
'jest-transform-cache-' + this._config.name,
VERSION);
const cacheKey = this._getCacheKey(
content,
filename,
instrument,
mapCoverage);
// Create sub folders based on the cacheKey to avoid creating one
// directory with many files.
const cacheDir = path.join(baseCacheDir, cacheKey[0] + cacheKey[1]);
const cachePath = slash(
path.join(
cacheDir,
path.basename(filename, path.extname(filename)) + '_' + cacheKey));
createDirectory(cacheDir);
return cachePath;
}
_getTransformPath(filename) {
for (let i = 0; i < this._config.transform.length; i++) {
if (new RegExp(this._config.transform[i][0]).test(filename)) {
return this._config.transform[i][1];
}
}
return null;
}
_getTransformer(filename) {
let transform;
if (!this._config.transform || !this._config.transform.length) {
return null;
}
const transformPath = this._getTransformPath(filename);
if (transformPath) {
const transformer = this._transformCache.get(transformPath);
if (transformer != null) {
return transformer;
}
// $FlowFixMe
transform = require(transformPath);
if (typeof transform.process !== 'function') {
throw new TypeError(
'Jest: a transform must export a `process` function.');
}
if (typeof transform.createTransformer === 'function') {
transform = transform.createTransformer();
}
this._transformCache.set(transformPath, transform);
}
return transform;
}
_instrumentFile(filename, content) {
// Keeping these requires inside this function reduces a single run
// time by 2sec if not running in `--coverage` mode
const babel = require('babel-core');
const babelPluginIstanbul = require('babel-plugin-istanbul').default;
return babel.transform(content, {
auxiliaryCommentBefore: ' istanbul ignore next ',
babelrc: false,
filename,
plugins: [
[
babelPluginIstanbul,
{
// files outside `cwd` will not be instrumented
cwd: this._config.rootDir,
exclude: [],
useInlineSourceMaps: false }]],
retainLines: true }).
code;
}
transformSource(
filename,
content,
instrument,
mapCoverage)
{
const transform = this._getTransformer(filename);
const cacheFilePath = this._getFileCachePath(
filename,
content,
instrument,
mapCoverage);
let sourceMapPath = cacheFilePath + '.map';
// Ignore cache if `config.cache` is set (--no-cache)
let code = this._config.cache ?
readCacheFile(filename, cacheFilePath) :
null;
if (code) {
return {
code,
sourceMapPath };
}
let transformed = {
code: content,
map: null };
if (transform && shouldTransform(filename, this._config)) {
const processed = transform.process(content, filename, this._config, {
instrument });
if (typeof processed === 'string') {
transformed.code = processed;
} else {
transformed = processed;
}
}
if (mapCoverage) {
if (!transformed.map) {
const convert = require('convert-source-map');
const inlineSourceMap = convert.fromSource(transformed.code);
if (inlineSourceMap) {
transformed.map = inlineSourceMap.toJSON();
}
}
} else {
transformed.map = null;
}
// That means that the transform has a custom instrumentation
// logic and will handle it based on `config.collectCoverage` option
const transformDidInstrument = transform && transform.canInstrument;
if (!transformDidInstrument && instrument) {
code = this._instrumentFile(filename, transformed.code);
} else {
code = transformed.code;
}
if (instrument && transformed.map && mapCoverage) {
const sourceMapContent = typeof transformed.map === 'string' ?
transformed.map :
JSON.stringify(transformed.map);
writeCacheFile(sourceMapPath, sourceMapContent);
} else {
sourceMapPath = null;
}
writeCacheFile(cacheFilePath, code);
return {
code,
sourceMapPath };
}
_transformAndBuildScript(
filename,
options,
instrument,
fileSource)
{
const isInternalModule = !!(options && options.isInternalModule);
const content = stripShebang(
fileSource || fs.readFileSync(filename, 'utf8'));
let wrappedCode;
let sourceMapPath = null;
const willTransform =
!isInternalModule && (
shouldTransform(filename, this._config) || instrument);
try {
if (willTransform) {
const transformedSource = this.transformSource(
filename,
content,
instrument,
!!(options && options.mapCoverage));
wrappedCode = wrap(transformedSource.code);
sourceMapPath = transformedSource.sourceMapPath;
} else {
wrappedCode = wrap(content);
}
return {
script: new vm.Script(wrappedCode, { displayErrors: true, filename }),
sourceMapPath };
} catch (e) {
if (e.codeFrame) {
e.stack = e.codeFrame;
}
throw e;
}
}
transform(
filename,
options,
fileSource)
{
const instrument = shouldInstrument(filename, options, this._config);
const scriptCacheKey = getScriptCacheKey(
filename,
this._config,
instrument);
let result = cache.get(scriptCacheKey);
if (result) {
return result;
} else {
result = this._transformAndBuildScript(
filename,
options,
instrument,
fileSource);
cache.set(scriptCacheKey, result);
return result;
}
}}
const removeFile = path => {
try {
fs.unlinkSync(path);
} catch (e) {}
};
const stripShebang = content => {
// If the file data starts with a shebang remove it. Leaves the empty line
// to keep stack trace line numbers correct.
if (content.startsWith('#!')) {
return content.replace(/^#!.*/, '');
} else {
return content;
}
};
const writeCacheFile = (cachePath, fileData) => {
try {
fs.writeFileSync(cachePath, fileData, 'utf8');
} catch (e) {
e.message =
'jest: failed to cache transform results in: ' +
cachePath +
'\nFailure message: ' +
e.message;
removeFile(cachePath);
throw e;
}
};
const readCacheFile = (filename, cachePath) => {
if (!fs.existsSync(cachePath)) {
return null;
}
let fileData;
try {
fileData = fs.readFileSync(cachePath, 'utf8');
} catch (e) {
e.message = 'jest: failed to read cache file: ' + cachePath;
removeFile(cachePath);
throw e;
}
if (fileData == null) {
// We must have somehow created the file but failed to write to it,
// let's delete it and retry.
removeFile(cachePath);
}
return fileData;
};
const getScriptCacheKey = (filename, config, instrument) => {
const mtime = fs.statSync(filename).mtime;
return filename + '_' + mtime.getTime() + (instrument ? '_instrumented' : '');
};
const shouldTransform = (filename, config) => {
if (!ignoreCache.has(config)) {
if (!config.transformIgnorePatterns) {
ignoreCache.set(config, null);
} else {
ignoreCache.set(
config,
new RegExp(config.transformIgnorePatterns.join('|')));
}
}
const ignoreRegexp = ignoreCache.get(config);
const isIgnored = ignoreRegexp ? ignoreRegexp.test(filename) : false;
return (
!!config.transform &&
!!config.transform.length && (
!config.transformIgnorePatterns.length || !isIgnored));
};
const wrap = content =>
'({"' +
ScriptTransformer.EVAL_RESULT_VARIABLE +
'":function(module,exports,require,__dirname,__filename,global,jest){' +
content +
'\n}});';
ScriptTransformer.EVAL_RESULT_VARIABLE = 'Object.<anonymous>';
module.exports = ScriptTransformer;

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'use strict'; /**
* Copyright (c) 2014, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*
*/
const usage = 'Usage: $0 [--config=<pathToConfigFile>] <file>';
const options = {
cache: {
default: true,
description: 'Whether to use the preprocessor cache. Disable ' +
'the cache using --no-cache.',
type: 'boolean' },
config: {
alias: 'c',
description: 'The path to a Jest config file.',
type: 'string' },
debug: {
description: 'Print debugging info about your jest config.',
type: 'boolean' },
version: {
alias: 'v',
description: 'Print the version and exit',
type: 'boolean' },
watchman: {
default: true,
description: 'Whether to use watchman for file crawling. Disable using ' +
'--no-watchman.',
type: 'boolean' } };
module.exports = {
options,
usage };

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'use strict'; /**
* Copyright (c) 2014, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*
*/
const os = require('os');
const path = require('path');
const chalk = require('chalk');
const yargs = require('yargs');var _require =
require('jest-util');const Console = _require.Console,setGlobal = _require.setGlobal,validateCLIOptions = _require.validateCLIOptions;var _require2 =
require('jest-config');const readConfig = _require2.readConfig;
const VERSION = require('../../package.json').version;
const Runtime = require('../');
const args = require('./args');
function run(cliArgv, cliInfo) {
let argv;
if (cliArgv) {
argv = cliArgv;
} else {
argv = yargs.usage(args.usage).options(args.options).argv;
validateCLIOptions(argv, args.options);
}
if (argv.help) {
yargs.showHelp();
process.on('exit', () => process.exit(1));
return;
}
if (argv.version) {
console.log(`v${VERSION}\n`);
return;
}
if (!argv._.length) {
console.log('Please provide a path to a script. (See --help for details)');
process.on('exit', () => process.exit(1));
return;
}
const root = process.cwd();
const filePath = path.resolve(root, argv._[0]);
if (argv.debug) {
const info = cliInfo ? ', ' + cliInfo.join(', ') : '';
console.log(`Using Jest Runtime v${VERSION}${info}`);
}
const options = readConfig(argv, root);
const globalConfig = options.globalConfig;
// Always disable automocking in scripts.
const config = Object.assign({}, options.config, {
automock: false,
unmockedModulePathPatterns: null });
Runtime.createContext(config, {
maxWorkers: os.cpus().length - 1,
watchman: globalConfig.watchman }).
then(hasteMap => {
/* $FlowFixMe */
const Environment = require(config.testEnvironment);
const environment = new Environment(config);
setGlobal(
environment.global,
'console',
new Console(process.stdout, process.stderr));
environment.global.jestProjectConfig = config;
environment.global.jestGlobalConfig = globalConfig;
const runtime = new Runtime(config, environment, hasteMap.resolver);
runtime.requireModule(filePath);
}).
catch(e => {
console.error(chalk.red(e));
process.on('exit', () => process.exit(1));
});
}
exports.run = run;

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'use strict';var _slicedToArray = function () {function sliceIterator(arr, i) {var _arr = [];var _n = true;var _d = false;var _e = undefined;try {for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {_arr.push(_s.value);if (i && _arr.length === i) break;}} catch (err) {_d = true;_e = err;} finally {try {if (!_n && _i["return"]) _i["return"]();} finally {if (_d) throw _e;}}return _arr;}return function (arr, i) {if (Array.isArray(arr)) {return arr;} else if (Symbol.iterator in Object(arr)) {return sliceIterator(arr, i);} else {throw new TypeError("Invalid attempt to destructure non-iterable instance");}};}();
const path = require('path'); /**
* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*
*/const HasteMap = require('jest-haste-map');const Resolver = require('jest-resolve');var _require = require('jest-util');const createDirectory = _require.createDirectory;var _require2 = require('jest-regex-util');const escapePathForRegex = _require2.escapePathForRegex;const fs = require('graceful-fs');const stripBOM = require('strip-bom');const ScriptTransformer = require('./ScriptTransformer');
const shouldInstrument = require('./shouldInstrument');
const NODE_MODULES = path.sep + 'node_modules' + path.sep;
const SNAPSHOT_EXTENSION = 'snap';
const getModuleNameMapper = config => {
if (
Array.isArray(config.moduleNameMapper) &&
config.moduleNameMapper.length)
{
return config.moduleNameMapper.map((_ref) => {var _ref2 = _slicedToArray(_ref, 2);let regex = _ref2[0],moduleName = _ref2[1];
return { moduleName, regex: new RegExp(regex) };
});
}
return null;
};
const mockParentModule = {
exports: {},
filename: 'mock.js',
id: 'mockParent' };
const unmockRegExpCache = new WeakMap();
class Runtime {
constructor(
config,
environment,
resolver,
cacheFS,
coverageOptions)
{
this._cacheFS = cacheFS || Object.create(null);
this._config = config;
this._coverageOptions = coverageOptions || {
collectCoverage: false,
collectCoverageFrom: [],
collectCoverageOnlyFrom: null,
mapCoverage: false };
this._currentlyExecutingModulePath = '';
this._environment = environment;
this._explicitShouldMock = Object.create(null);
this._internalModuleRegistry = Object.create(null);
this._isCurrentlyExecutingManualMock = null;
this._mockFactories = Object.create(null);
this._mockRegistry = Object.create(null);
this._moduleMocker = this._environment.moduleMocker;
this._moduleRegistry = Object.create(null);
this._resolver = resolver;
this._scriptTransformer = new ScriptTransformer(config);
this._shouldAutoMock = config.automock;
this._sourceMapRegistry = Object.create(null);
this._virtualMocks = Object.create(null);
this._mockMetaDataCache = Object.create(null);
this._shouldMockModuleCache = Object.create(null);
this._shouldUnmockTransitiveDependenciesCache = Object.create(null);
this._transitiveShouldMock = Object.create(null);
this._unmockList = unmockRegExpCache.get(config);
if (!this._unmockList && config.unmockedModulePathPatterns) {
this._unmockList = new RegExp(
config.unmockedModulePathPatterns.join('|'));
unmockRegExpCache.set(config, this._unmockList);
}
if (config.automock) {
config.setupFiles.forEach(filePath => {
if (filePath && filePath.includes(NODE_MODULES)) {
const moduleID = this._resolver.getModuleID(
this._virtualMocks,
filePath);
this._transitiveShouldMock[moduleID] = false;
}
});
}
this.resetModules();
if (config.setupFiles.length) {
for (let i = 0; i < config.setupFiles.length; i++) {
this.requireModule(config.setupFiles[i]);
}
}
}
static shouldInstrument(
filename,
options,
config)
{
return shouldInstrument(
filename,
{
collectCoverage: options.collectCoverage,
collectCoverageFrom: options.collectCoverageFrom,
collectCoverageOnlyFrom: options.collectCoverageOnlyFrom,
mapCoverage: options.mapCoverage },
config);
}
static createContext(
config,
options)
{
createDirectory(config.cacheDirectory);
const instance = Runtime.createHasteMap(config, {
console: options.console,
maxWorkers: options.maxWorkers,
resetCache: !config.cache,
watch: options.watch,
watchman: options.watchman });
return instance.build().then(
hasteMap => ({
config,
hasteFS: hasteMap.hasteFS,
moduleMap: hasteMap.moduleMap,
resolver: Runtime.createResolver(config, hasteMap.moduleMap) }),
error => {
throw error;
});
}
static createHasteMap(
config,
options)
{
const ignorePattern = new RegExp(
[config.cacheDirectory].concat(config.modulePathIgnorePatterns).join('|'));
return new HasteMap({
cacheDirectory: config.cacheDirectory,
console: options && options.console,
extensions: [SNAPSHOT_EXTENSION].concat(config.moduleFileExtensions),
hasteImplModulePath: config.haste.hasteImplModulePath,
ignorePattern,
maxWorkers: options && options.maxWorkers || 1,
mocksPattern: escapePathForRegex(path.sep + '__mocks__' + path.sep),
name: config.name,
platforms: config.haste.platforms || ['ios', 'android'],
providesModuleNodeModules: config.haste.providesModuleNodeModules,
resetCache: options && options.resetCache,
retainAllFiles: false,
roots: config.roots,
useWatchman: options && options.watchman,
watch: options && options.watch });
}
static createResolver(config, moduleMap) {
return new Resolver(moduleMap, {
browser: config.browser,
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 });
}
static runCLI(args, info) {
return require('./cli').run(args, info);
}
static getCLIOptions() {
return require('./cli/args').options;
}
requireModule(
from,
moduleName,
options)
{
const moduleID = this._resolver.getModuleID(
this._virtualMocks,
from,
moduleName);
let modulePath;
const moduleRegistry = !options || !options.isInternalModule ?
this._moduleRegistry :
this._internalModuleRegistry;
// 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 || !options.isInternalModule) &&
!moduleResource &&
manualMock &&
manualMock !== this._isCurrentlyExecutingManualMock &&
this._explicitShouldMock[moduleID] !== false)
{
modulePath = manualMock;
}
if (moduleName && this._resolver.isCoreModule(moduleName)) {
// $FlowFixMe
return require(moduleName);
}
if (!modulePath) {
modulePath = this._resolveModule(from, moduleName);
}
if (!moduleRegistry[modulePath]) {
// 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 = {
exports: {},
filename: modulePath,
id: modulePath };
moduleRegistry[modulePath] = localModule;
if (path.extname(modulePath) === '.json') {
localModule.exports = this._environment.global.JSON.parse(
stripBOM(fs.readFileSync(modulePath, 'utf8')));
} else if (path.extname(modulePath) === '.node') {
// $FlowFixMe
localModule.exports = require(modulePath);
} else {
this._execModule(localModule, options);
}
}
return moduleRegistry[modulePath].exports;
}
requireInternalModule(from, to) {
return this.requireModule(from, to, { isInternalModule: true });
}
requireMock(from, moduleName) {
const moduleID = this._resolver.getModuleID(
this._virtualMocks,
from,
moduleName);
if (this._mockRegistry[moduleID]) {
return this._mockRegistry[moduleID];
}
if (moduleID in this._mockFactories) {
return this._mockRegistry[moduleID] = this._mockFactories[moduleID]();
}
let manualMock = this._resolver.getMockModule(from, moduleName);
let modulePath;
if (manualMock) {
modulePath = this._resolveModule(from, manualMock);
} else {
modulePath = this._resolveModule(from, moduleName);
// 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/MyModule.js
// subDir1/__mocks__/MyModule.js
// subDir2/MyModule.js
// subDir2/__mocks__/MyModule.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 MyModule.js file.
const moduleDir = path.dirname(modulePath);
const moduleFileName = path.basename(modulePath);
const potentialManualMock = path.join(
moduleDir,
'__mocks__',
moduleFileName);
if (fs.existsSync(potentialManualMock)) {
manualMock = true;
modulePath = potentialManualMock;
}
}
if (manualMock) {
const localModule = {
exports: {},
filename: modulePath,
id: modulePath };
this._execModule(localModule);
this._mockRegistry[moduleID] = localModule.exports;
} else {
// Look for a real module to generate an automock from
this._mockRegistry[moduleID] = this._generateMock(from, moduleName);
}
return this._mockRegistry[moduleID];
}
requireModuleOrMock(from, moduleName) {
if (this._shouldMock(from, moduleName)) {
return this.requireMock(from, moduleName);
} else {
return this.requireModule(from, moduleName);
}
}
resetModules() {
this._mockRegistry = Object.create(null);
this._moduleRegistry = Object.create(null);
if (this._environment && 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 && globalMock.mockClear();
}
});
if (envGlobal.mockClearTimers) {
envGlobal.mockClearTimers();
}
}
}
getAllCoverageInfo() {
return this._environment.global.__coverage__;
}
getSourceMapInfo() {
return Object.keys(this._sourceMapRegistry).reduce((result, sourcePath) => {
if (fs.existsSync(this._sourceMapRegistry[sourcePath])) {
result[sourcePath] = this._sourceMapRegistry[sourcePath];
}
return result;
}, {});
}
setMock(
from,
moduleName,
mockFactory,
options)
{
if (options && options.virtual) {
const mockPath = this._resolver.getModulePath(from, moduleName);
this._virtualMocks[mockPath] = true;
}
const moduleID = this._resolver.getModuleID(
this._virtualMocks,
from,
moduleName);
this._explicitShouldMock[moduleID] = true;
this._mockFactories[moduleID] = mockFactory;
}
resetAllMocks() {
this._moduleMocker.resetAllMocks();
}
clearAllMocks() {
this._moduleMocker.clearAllMocks();
}
_resolveModule(from, to) {
return to ? this._resolver.resolveModule(from, to) : from;
}
_execModule(localModule, options) {
// If the environment was disposed, prevent this module from being executed.
if (!this._environment.global) {
return;
}
const isInternalModule = !!(options && options.isInternalModule);
const filename = localModule.filename;
const lastExecutingModulePath = this._currentlyExecutingModulePath;
this._currentlyExecutingModulePath = filename;
const origCurrExecutingManualMock = this._isCurrentlyExecutingManualMock;
this._isCurrentlyExecutingManualMock = filename;
const dirname = path.dirname(filename);
localModule.children = [];
localModule.parent = mockParentModule;
localModule.paths = this._resolver.getModulePaths(dirname);
localModule.require = this._createRequireImplementation(filename, options);
const transformedFile = this._scriptTransformer.transform(
filename,
{
collectCoverage: this._coverageOptions.collectCoverage,
collectCoverageFrom: this._coverageOptions.collectCoverageFrom,
collectCoverageOnlyFrom: this._coverageOptions.collectCoverageOnlyFrom,
isInternalModule,
mapCoverage: this._coverageOptions.mapCoverage },
this._cacheFS[filename]);
if (transformedFile.sourceMapPath) {
this._sourceMapRegistry[filename] = transformedFile.sourceMapPath;
}
const wrapper = this._environment.runScript(transformedFile.script)[
ScriptTransformer.EVAL_RESULT_VARIABLE];
wrapper.call(
localModule.exports, // module context
localModule, // module object
localModule.exports, // module exports
localModule.require, // require implementation
dirname, // __dirname
filename, // __filename
this._environment.global, // global object
this._createRuntimeFor(filename));
this._isCurrentlyExecutingManualMock = origCurrExecutingManualMock;
this._currentlyExecutingModulePath = lastExecutingModulePath;
}
_generateMock(from, moduleName) {
const modulePath = this._resolveModule(from, moduleName);
if (!(modulePath in this._mockMetaDataCache)) {
// This allows us to handle circular dependencies while generating an
// automock
this._mockMetaDataCache[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 = Object.create(null);
this._moduleRegistry = Object.create(null);
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: http://facebook.github.io/jest/docs/manual-mocks.html#content`);
}
this._mockMetaDataCache[modulePath] = mockMetadata;
}
return this._moduleMocker.generateFromMetadata(
this._mockMetaDataCache[modulePath]);
}
_shouldMock(from, moduleName) {
const mockPath = this._resolver.getModulePath(from, moduleName);
if (mockPath in this._virtualMocks) {
return true;
}
const explicitShouldMock = this._explicitShouldMock;
const moduleID = this._resolver.getModuleID(
this._virtualMocks,
from,
moduleName);
const key = from + path.delimiter + moduleID;
if (moduleID in explicitShouldMock) {
return explicitShouldMock[moduleID];
}
if (
!this._shouldAutoMock ||
this._resolver.isCoreModule(moduleName) ||
this._shouldUnmockTransitiveDependenciesCache[key])
{
return false;
}
if (moduleID in this._shouldMockModuleCache) {
return this._shouldMockModuleCache[moduleID];
}
let modulePath;
try {
modulePath = this._resolveModule(from, moduleName);
} catch (e) {
const manualMock = this._resolver.getMockModule(from, moduleName);
if (manualMock) {
this._shouldMockModuleCache[moduleID] = true;
return true;
}
throw e;
}
if (this._unmockList && this._unmockList.test(modulePath)) {
this._shouldMockModuleCache[moduleID] = false;
return false;
}
// transitive unmocking for package managers that store flat packages (npm3)
const currentModuleID = this._resolver.getModuleID(
this._virtualMocks,
from);
if (
this._transitiveShouldMock[currentModuleID] === false ||
from.includes(NODE_MODULES) &&
modulePath.includes(NODE_MODULES) && (
this._unmockList && this._unmockList.test(from) ||
explicitShouldMock[currentModuleID] === false))
{
this._transitiveShouldMock[moduleID] = false;
this._shouldUnmockTransitiveDependenciesCache[key] = true;
return false;
}
return this._shouldMockModuleCache[moduleID] = true;
}
_createRequireImplementation(from, options) {
const moduleRequire = options && options.isInternalModule ?
moduleName => this.requireInternalModule(from, moduleName) :
this.requireModuleOrMock.bind(this, from);
moduleRequire.cache = Object.create(null);
moduleRequire.extensions = Object.create(null);
moduleRequire.requireActual = this.requireModule.bind(this, from);
moduleRequire.requireMock = this.requireMock.bind(this, from);
moduleRequire.resolve = moduleName => this._resolveModule(from, moduleName);
return moduleRequire;
}
_createRuntimeFor(from) {
const disableAutomock = () => {
this._shouldAutoMock = false;
return runtime;
};
const enableAutomock = () => {
this._shouldAutoMock = true;
return runtime;
};
const unmock = moduleName => {
const moduleID = this._resolver.getModuleID(
this._virtualMocks,
from,
moduleName);
this._explicitShouldMock[moduleID] = false;
return runtime;
};
const deepUnmock = moduleName => {
const moduleID = this._resolver.getModuleID(
this._virtualMocks,
from,
moduleName);
this._explicitShouldMock[moduleID] = false;
this._transitiveShouldMock[moduleID] = false;
return runtime;
};
const mock = (
moduleName,
mockFactory,
options) =>
{
if (mockFactory !== undefined) {
return setMockFactory(moduleName, mockFactory, options);
}
const moduleID = this._resolver.getModuleID(
this._virtualMocks,
from,
moduleName);
this._explicitShouldMock[moduleID] = true;
return runtime;
};
const setMockFactory = (moduleName, mockFactory, options) => {
this.setMock(from, moduleName, mockFactory, options);
return runtime;
};
const clearAllMocks = () => {
this.clearAllMocks();
return runtime;
};
const resetAllMocks = () => {
this.resetAllMocks();
return runtime;
};
const useFakeTimers = () => {
this._environment.fakeTimers.useFakeTimers();
return runtime;
};
const useRealTimers = () => {
this._environment.fakeTimers.useRealTimers();
return runtime;
};
const resetModules = () => {
this.resetModules();
return runtime;
};
const fn = this._moduleMocker.fn.bind(this._moduleMocker);
const spyOn = this._moduleMocker.spyOn.bind(this._moduleMocker);
const runtime = {
addMatchers: matchers =>
this._environment.global.jasmine.addMatchers(matchers),
autoMockOff: disableAutomock,
autoMockOn: enableAutomock,
clearAllMocks,
clearAllTimers: () => this._environment.fakeTimers.clearAllTimers(),
deepUnmock,
disableAutomock,
doMock: mock,
dontMock: unmock,
enableAutomock,
fn,
genMockFn: fn,
genMockFromModule: moduleName =>
this._generateMock(from, moduleName),
genMockFunction: fn,
isMockFunction: this._moduleMocker.isMockFunction,
mock,
resetAllMocks,
resetModuleRegistry: resetModules,
resetModules,
runAllImmediates: () => this._environment.fakeTimers.runAllImmediates(),
runAllTicks: () => this._environment.fakeTimers.runAllTicks(),
runAllTimers: () => this._environment.fakeTimers.runAllTimers(),
runOnlyPendingTimers: () =>
this._environment.fakeTimers.runOnlyPendingTimers(),
runTimersToTime: msToRun =>
this._environment.fakeTimers.runTimersToTime(msToRun),
setMock: (moduleName, mock) =>
setMockFactory(moduleName, () => mock),
spyOn,
unmock,
useFakeTimers,
useRealTimers };
return runtime;
}}
Runtime.ScriptTransformer = ScriptTransformer;
module.exports = Runtime;

View File

@@ -0,0 +1,78 @@
'use strict'; /**
* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*
*/
const path = require('path');var _require =
require('jest-regex-util');const escapePathForRegex = _require.escapePathForRegex;
const micromatch = require('micromatch');
const MOCKS_PATTERN = new RegExp(
escapePathForRegex(path.sep + '__mocks__' + path.sep));
const shouldInstrument = (
filename,
options,
config) =>
{
if (!options.collectCoverage) {
return false;
}
if (config.testRegex && filename.match(config.testRegex)) {
return false;
}
if (
config.testMatch &&
config.testMatch.length &&
micromatch.any(filename, config.testMatch))
{
return false;
}
if (
// This configuration field contains an object in the form of:
// {'path/to/file.js': true}
options.collectCoverageOnlyFrom &&
!options.collectCoverageOnlyFrom[filename])
{
return false;
}
if (
// still cover if `only` is specified
!options.collectCoverageOnlyFrom &&
options.collectCoverageFrom &&
!micromatch(
[path.relative(config.rootDir, filename)],
options.collectCoverageFrom).
length)
{
return false;
}
if (
config.coveragePathIgnorePatterns &&
config.coveragePathIgnorePatterns.some(pattern => filename.match(pattern)))
{
return false;
}
if (MOCKS_PATTERN.test(filename)) {
return false;
}
return true;
};
module.exports = shouldInstrument;