diff options
Diffstat (limited to 'node_modules/@jest/test-sequencer')
-rw-r--r-- | node_modules/@jest/test-sequencer/LICENSE | 21 | ||||
-rw-r--r-- | node_modules/@jest/test-sequencer/build/index.d.ts | 51 | ||||
-rw-r--r-- | node_modules/@jest/test-sequencer/build/index.js | 237 | ||||
-rw-r--r-- | node_modules/@jest/test-sequencer/package.json | 35 |
4 files changed, 344 insertions, 0 deletions
diff --git a/node_modules/@jest/test-sequencer/LICENSE b/node_modules/@jest/test-sequencer/LICENSE new file mode 100644 index 0000000..b96dcb0 --- /dev/null +++ b/node_modules/@jest/test-sequencer/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) Facebook, Inc. and its affiliates. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/node_modules/@jest/test-sequencer/build/index.d.ts b/node_modules/@jest/test-sequencer/build/index.d.ts new file mode 100644 index 0000000..7b48a2b --- /dev/null +++ b/node_modules/@jest/test-sequencer/build/index.d.ts @@ -0,0 +1,51 @@ +/** + * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ +import type { AggregatedResult, Test } from '@jest/test-result'; +import type { Context } from 'jest-runtime'; +declare type Cache = { + [key: string]: [0 | 1, number]; +}; +/** + * The TestSequencer will ultimately decide which tests should run first. + * It is responsible for storing and reading from a local cache + * map that stores context information for a given test, such as how long it + * took to run during the last run and if it has failed or not. + * Such information is used on: + * TestSequencer.sort(tests: Array<Test>) + * to sort the order of the provided tests. + * + * After the results are collected, + * TestSequencer.cacheResults(tests: Array<Test>, results: AggregatedResult) + * is called to store/update this information on the cache map. + */ +export default class TestSequencer { + private _cache; + _getCachePath(context: Context): string; + _getCache(test: Test): Cache; + /** + * Sorting tests is very important because it has a great impact on the + * user-perceived responsiveness and speed of the test run. + * + * If such information is on cache, tests are sorted based on: + * -> Has it failed during the last run ? + * Since it's important to provide the most expected feedback as quickly + * as possible. + * -> How long it took to run ? + * Because running long tests first is an effort to minimize worker idle + * time at the end of a long test run. + * And if that information is not available they are sorted based on file size + * since big test files usually take longer to complete. + * + * Note that a possible improvement would be to analyse other information + * from the file other than its size. + * + */ + sort(tests: Array<Test>): Array<Test>; + allFailedTests(tests: Array<Test>): Array<Test>; + cacheResults(tests: Array<Test>, results: AggregatedResult): void; +} +export {}; diff --git a/node_modules/@jest/test-sequencer/build/index.js b/node_modules/@jest/test-sequencer/build/index.js new file mode 100644 index 0000000..29fd68c --- /dev/null +++ b/node_modules/@jest/test-sequencer/build/index.js @@ -0,0 +1,237 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { + value: true +}); +exports.default = void 0; + +function fs() { + const data = _interopRequireWildcard(require('graceful-fs')); + + fs = function () { + return data; + }; + + return data; +} + +function _jestHasteMap() { + const data = _interopRequireDefault(require('jest-haste-map')); + + _jestHasteMap = function () { + return data; + }; + + return data; +} + +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 FAIL = 0; +const SUCCESS = 1; + +/** + * The TestSequencer will ultimately decide which tests should run first. + * It is responsible for storing and reading from a local cache + * map that stores context information for a given test, such as how long it + * took to run during the last run and if it has failed or not. + * Such information is used on: + * TestSequencer.sort(tests: Array<Test>) + * to sort the order of the provided tests. + * + * After the results are collected, + * TestSequencer.cacheResults(tests: Array<Test>, results: AggregatedResult) + * is called to store/update this information on the cache map. + */ +class TestSequencer { + constructor() { + _defineProperty(this, '_cache', new Map()); + } + + _getCachePath(context) { + const {config} = context; + + const HasteMapClass = _jestHasteMap().default.getStatic(config); + + return HasteMapClass.getCacheFilePath( + config.cacheDirectory, + 'perf-cache-' + config.name + ); + } + + _getCache(test) { + const {context} = test; + + if (!this._cache.has(context) && context.config.cache) { + const cachePath = this._getCachePath(context); + + if (fs().existsSync(cachePath)) { + try { + this._cache.set( + context, + JSON.parse(fs().readFileSync(cachePath, 'utf8')) + ); + } catch {} + } + } + + let cache = this._cache.get(context); + + if (!cache) { + cache = {}; + + this._cache.set(context, cache); + } + + return cache; + } + /** + * Sorting tests is very important because it has a great impact on the + * user-perceived responsiveness and speed of the test run. + * + * If such information is on cache, tests are sorted based on: + * -> Has it failed during the last run ? + * Since it's important to provide the most expected feedback as quickly + * as possible. + * -> How long it took to run ? + * Because running long tests first is an effort to minimize worker idle + * time at the end of a long test run. + * And if that information is not available they are sorted based on file size + * since big test files usually take longer to complete. + * + * Note that a possible improvement would be to analyse other information + * from the file other than its size. + * + */ + + sort(tests) { + const stats = {}; + + const fileSize = ({path, context: {hasteFS}}) => + stats[path] || (stats[path] = hasteFS.getSize(path) || 0); + + const hasFailed = (cache, test) => + cache[test.path] && cache[test.path][0] === FAIL; + + const time = (cache, test) => cache[test.path] && cache[test.path][1]; + + tests.forEach(test => (test.duration = time(this._getCache(test), test))); + return tests.sort((testA, testB) => { + const cacheA = this._getCache(testA); + + const cacheB = this._getCache(testB); + + const failedA = hasFailed(cacheA, testA); + const failedB = hasFailed(cacheB, testB); + const hasTimeA = testA.duration != null; + + if (failedA !== failedB) { + return failedA ? -1 : 1; + } else if (hasTimeA != (testB.duration != null)) { + // If only one of two tests has timing information, run it last + return hasTimeA ? 1 : -1; + } else if (testA.duration != null && testB.duration != null) { + return testA.duration < testB.duration ? 1 : -1; + } else { + return fileSize(testA) < fileSize(testB) ? 1 : -1; + } + }); + } + + allFailedTests(tests) { + const hasFailed = (cache, test) => { + var _cache$test$path; + + return ( + ((_cache$test$path = cache[test.path]) === null || + _cache$test$path === void 0 + ? void 0 + : _cache$test$path[0]) === FAIL + ); + }; + + return this.sort( + tests.filter(test => hasFailed(this._getCache(test), test)) + ); + } + + cacheResults(tests, results) { + const map = Object.create(null); + tests.forEach(test => (map[test.path] = test)); + results.testResults.forEach(testResult => { + if (testResult && map[testResult.testFilePath] && !testResult.skipped) { + const cache = this._getCache(map[testResult.testFilePath]); + + const perf = testResult.perfStats; + cache[testResult.testFilePath] = [ + testResult.numFailingTests ? FAIL : SUCCESS, + perf.runtime || 0 + ]; + } + }); + + this._cache.forEach((cache, context) => + fs().writeFileSync(this._getCachePath(context), JSON.stringify(cache)) + ); + } +} + +exports.default = TestSequencer; diff --git a/node_modules/@jest/test-sequencer/package.json b/node_modules/@jest/test-sequencer/package.json new file mode 100644 index 0000000..f4eb2c3 --- /dev/null +++ b/node_modules/@jest/test-sequencer/package.json @@ -0,0 +1,35 @@ +{ + "name": "@jest/test-sequencer", + "version": "27.5.1", + "repository": { + "type": "git", + "url": "https://github.com/facebook/jest.git", + "directory": "packages/jest-test-sequencer" + }, + "license": "MIT", + "main": "./build/index.js", + "types": "./build/index.d.ts", + "exports": { + ".": { + "types": "./build/index.d.ts", + "default": "./build/index.js" + }, + "./package.json": "./package.json" + }, + "dependencies": { + "@jest/test-result": "^27.5.1", + "graceful-fs": "^4.2.9", + "jest-haste-map": "^27.5.1", + "jest-runtime": "^27.5.1" + }, + "devDependencies": { + "@types/graceful-fs": "^4.1.3" + }, + "engines": { + "node": "^10.13.0 || ^12.13.0 || ^14.15.0 || >=15.0.0" + }, + "publishConfig": { + "access": "public" + }, + "gitHead": "67c1aa20c5fec31366d733e901fee2b981cb1850" +} |