Best JavaScript code snippet using stryker-parent
with-coverage-analysis.ts
Source:with-coverage-analysis.ts
1import { Config } from '@jest/types';2import { CoverageAnalysis, StrykerOptions } from '@stryker-mutator/api/core';3import { propertyPath } from '@stryker-mutator/util';4import semver from 'semver';5import { state } from '../messaging';6import { jestWrapper } from '../utils';7/**8 * Jest's defaults.9 * @see https://jestjs.io/docs/en/configuration10 */11function getJestDefaults() {12 // New defaults since 27: https://jestjs.io/blog/2021/05/25/jest-2713 if (semver.satisfies(jestWrapper.getVersion(), '>=27')) {14 return {15 testRunner: 'jest-circus/runner',16 testEnvironment: 'node',17 };18 } else {19 return {20 // the defaults before v2721 testRunner: 'jest-jasmine2',22 testEnvironment: 'jsdom',23 };24 }25}26export function withCoverageAnalysis(jestConfig: Config.InitialOptions, coverageAnalysis: CoverageAnalysis): Config.InitialOptions {27 // Override with Stryker specific test environment to capture coverage analysis28 if (coverageAnalysis === 'off') {29 return jestConfig;30 } else {31 const overrides: Config.InitialOptions = {};32 overrideEnvironment(jestConfig, overrides);33 if (coverageAnalysis === 'perTest') {34 setupFramework(jestConfig, overrides);35 }36 return { ...jestConfig, ...overrides };37 }38}39/**40 * Setup the test framework (aka "runner" in jest terms) for "perTest" coverage analysis.41 * Will use monkey patching for framework "jest-jasmine2", and will assume the test environment handles events when "jest-circus"42 */43function setupFramework(jestConfig: Config.InitialOptions, overrides: Config.InitialOptions) {44 const testRunner = jestConfig.testRunner ?? getJestDefaults().testRunner;45 if (testRunner === 'jest-jasmine2') {46 overrides.setupFilesAfterEnv = [require.resolve('./jasmine2-setup-coverage-analysis'), ...(jestConfig.setupFilesAfterEnv ?? [])];47 } else if (!testRunner.includes('jest-circus')) {48 // 'jest-circus/runner' is supported, via handleTestEvent, see https://jestjs.io/docs/en/configuration#testenvironment-string49 // Use includes here, since "react-scripts" will specify the full path to `jest-circus`, see https://github.com/stryker-mutator/stryker-js/issues/278950 throw new Error(51 `The @stryker-mutator/jest-runner doesn't support ${propertyPath<StrykerOptions>(52 'coverageAnalysis'53 )} "perTest" with "jestConfig.testRunner": "${54 jestConfig.testRunner55 }". Please open an issue if you want support for this: https://github.com/stryker-mutator/stryker-js/issues`56 );57 }58}59function overrideEnvironment(jestConfig: Config.InitialOptions, overrides: Config.InitialOptions) {60 const originalJestEnvironment = jestConfig.testEnvironment ?? getJestDefaults().testEnvironment;61 state.jestEnvironment = nameEnvironment(originalJestEnvironment);62 overrides.testEnvironment = require.resolve('./jest-environment-generic');63}64function nameEnvironment(shortName: string): string {65 return ['node', 'jsdom'].includes(shortName) ? `jest-environment-${shortName}` : shortName;...
Using AI Code Generation
1const OriginalJestEnvironment = require('jest-environment-node');2class CustomEnvironment extends OriginalJestEnvironment {3 constructor(config) {4 super(config);5 }6 async setup() {7 await super.setup();8 }9 async teardown() {10 await super.teardown();11 }12 runScript(script) {13 return super.runScript(script);14 }15}16module.exports = CustomEnvironment;17module.exports = {18 testMatch: ['**/?(*.)+(spec|test).js?(x)'],19 transform: {20 },21 testEnvironmentOptions: {22 },23};
Using AI Code Generation
1const originalJestEnvironment = require('stryker-parent').originalJestEnvironment;2class CustomJestEnvironment extends originalJestEnvironment {3 constructor(config) {4 super(config);5 }6}7module.exports = CustomJestEnvironment;8const originalJestEnvironment = require('stryker-parent').originalJestEnvironment;9class CustomJestEnvironment extends originalJestEnvironment {10 constructor(config) {11 super(config);12 }13 async setup() {14 await super.setup();15 }16 async teardown() {17 await super.teardown();18 }19 runScript(script) {20 return super.runScript(script);21 }22}23module.exports = CustomJestEnvironment;24const originalJestEnvironment = require('stryker-parent').originalJestEnvironment;25class CustomJestEnvironment extends originalJestEnvironment {26 constructor(config) {27 super(config);28 }29 async setup() {30 await super.setup();31 }32 async teardown() {33 await super.teardown();34 }35 runScript(script) {36 return super.runScript(script);37 }38}39module.exports = CustomJestEnvironment;40const originalJestEnvironment = require('stryker-parent').originalJestEnvironment;41class CustomJestEnvironment extends originalJestEnvironment {42 constructor(config) {43 super(config);44 }45 async setup() {46 await super.setup();47 }48 async teardown() {49 await super.teardown();50 }51 runScript(script) {52 return super.runScript(script);53 }54}55module.exports = CustomJestEnvironment;56const originalJestEnvironment = require('stryker-parent').originalJ
Using AI Code Generation
1const originalJestEnvironment = require('stryker-parent/jest-environment');2const NodeEnvironment = require('jest-environment-node');3module.exports = class CustomEnvironment extends originalJestEnvironment(NodeEnvironment) {4 constructor(config, context) {5 super(config, context);6 }7 async setup() {8 await super.setup();9 }10 async teardown() {11 await super.teardown();12 }13 runScript(script) {14 return super.runScript(script);15 }16};17const originalJestEnvironment = require('stryker-parent/jest-environment');18const JSDOMEnvironment = require('jest-environment-jsdom');19module.exports = class CustomEnvironment extends originalJestEnvironment(JSDOMEnvironment) {20 constructor(config, context) {21 super(config, context);22 }23 async setup() {24 await super.setup();25 }26 async teardown() {27 await super.teardown();28 }29 runScript(script) {30 return super.runScript(script);31 }32};
Using AI Code Generation
1const originalJestEnvironment = require('stryker-parent/jest-environment');2module.exports = class CustomEnvironment extends originalJestEnvironment {3 constructor(config, context) {4 super(config, context);5 }6};7module.exports = function(config) {8 config.set({9 jest: {10 config: require.resolve('./jest.config.js')11 }12 });13}14module.exports = {15}16module.exports = function(config) {17 config.set({18 jest: {19 }20 });21}22module.exports = function(config) {23 config.set({24 jest: {25 config: {26 }27 }28 });29}30module.exports = function(config) {31 config.set({32 jest: {33 configFile: require.resolve('./jest.config.js')34 }35 });36}
Using AI Code Generation
1const originalJestEnvironment = require('stryker-parent').jestEnvironment;2class CustomEnvironment extends originalJestEnvironment {3 constructor(config) {4 super(config);5 }6 async setup() {7 await super.setup();8 }9 async teardown() {10 await super.teardown();11 }12 runScript(script) {13 return super.runScript(script);14 }15}16module.exports = CustomEnvironment;17module.exports = function (config) {18 config.set({19 jest: {20 config: require('./jest.config.js'),21 customJestConfig: {22 },23 },24 });25};26module.exports = function (config) {27 config.set({28 jest: {29 config: require('./jest.config.js'),30 customJestConfig: {31 },32 },33 });34};
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