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How to use testRunnerPool method in stryker-parent

Best JavaScript code snippet using stryker-parent

4-mutation-test-executor.ts

Source:4-mutation-test-executor.ts

1import { from, partition, merge, Observable, lastValueFrom } from 'rxjs';2import { toArray, map, tap, shareReplay } from 'rxjs/operators';3import { tokens, commonTokens } from '@stryker-mutator/api/plugin';4import { MutantTestCoverage, MutantResult, StrykerOptions, MutantStatus } from '@stryker-mutator/api/core';5import { MutantRunOptions, TestRunner } from '@stryker-mutator/api/test-runner';6import { Logger } from '@stryker-mutator/api/logging';7import { I } from '@stryker-mutator/util';8import { CheckStatus, Checker, CheckResult, PassedCheckResult } from '@stryker-mutator/api/check';9import { coreTokens } from '../di';10import { StrictReporter } from '../reporters/strict-reporter';11import { MutationTestReportHelper } from '../reporters/mutation-test-report-helper';12import { Timer } from '../utils/timer';13import { Pool, ConcurrencyTokenProvider } from '../concurrent';14import { Sandbox } from '../sandbox';15import { DryRunContext } from './3-dry-run-executor';16export interface MutationTestContext extends DryRunContext {17  [coreTokens.testRunnerPool]: I<Pool<TestRunner>>;18  [coreTokens.timeOverheadMS]: number;19  [coreTokens.mutationTestReportHelper]: MutationTestReportHelper;20  [coreTokens.mutantsWithTestCoverage]: MutantTestCoverage[];21}22/**23 * The factor by which hit count from dry run is multiplied to calculate the hit limit for a mutant.24 * This is intentionally a high value to prevent false positives.25 *26 * For example, a property testing library might execute a failing scenario multiple times to determine the smallest possible counterexample.27 * @see https://jsverify.github.io/#minimal-counterexample28 */29const HIT_LIMIT_FACTOR = 100;30export class MutationTestExecutor {31  public static inject = tokens(32    commonTokens.options,33    coreTokens.reporter,34    coreTokens.checkerPool,35    coreTokens.testRunnerPool,36    coreTokens.timeOverheadMS,37    coreTokens.mutantsWithTestCoverage,38    coreTokens.mutationTestReportHelper,39    coreTokens.sandbox,40    commonTokens.logger,41    coreTokens.timer,42    coreTokens.concurrencyTokenProvider43  );44  constructor(45    private readonly options: StrykerOptions,46    private readonly reporter: StrictReporter,47    private readonly checkerPool: I<Pool<Checker>>,48    private readonly testRunnerPool: I<Pool<TestRunner>>,49    private readonly timeOverheadMS: number,50    private readonly matchedMutants: readonly MutantTestCoverage[],51    private readonly mutationTestReportHelper: I<MutationTestReportHelper>,52    private readonly sandbox: I<Sandbox>,53    private readonly log: Logger,54    private readonly timer: I<Timer>,55    private readonly concurrencyTokenProvider: I<ConcurrencyTokenProvider>56  ) {}57  public async execute(): Promise<MutantResult[]> {58    const { ignoredResult$, notIgnoredMutant$ } = this.executeIgnore(from(this.matchedMutants));59    const { passedMutant$, checkResult$ } = this.executeCheck(from(notIgnoredMutant$));60    const { coveredMutant$, noCoverageResult$ } = this.executeNoCoverage(passedMutant$);61    const testRunnerResult$ = this.executeRunInTestRunner(coveredMutant$);62    const results = await lastValueFrom(merge(testRunnerResult$, checkResult$, noCoverageResult$, ignoredResult$).pipe(toArray()));63    this.mutationTestReportHelper.reportAll(results);64    await this.reporter.wrapUp();65    this.logDone();66    return results;67  }68  private executeIgnore(input$: Observable<MutantTestCoverage>) {69    const [ignoredMutant$, notIgnoredMutant$] = partition(input$.pipe(shareReplay()), (mutant) => mutant.status === MutantStatus.Ignored);70    const ignoredResult$ = ignoredMutant$.pipe(map((mutant) => this.mutationTestReportHelper.reportMutantStatus(mutant, MutantStatus.Ignored)));71    return { ignoredResult$, notIgnoredMutant$ };72  }73  private executeNoCoverage(input$: Observable<MutantTestCoverage>) {74    const [noCoverageMatchedMutant$, coveredMutant$] = partition(75      input$.pipe(shareReplay()),76      (mutant) => !mutant.static && (mutant.coveredBy?.length ?? 0) === 077    );78    const noCoverageResult$ = noCoverageMatchedMutant$.pipe(79      map((mutant) => this.mutationTestReportHelper.reportMutantStatus(mutant, MutantStatus.NoCoverage))80    );81    return { noCoverageResult$, coveredMutant$ };82  }83  private executeCheck(input$: Observable<MutantTestCoverage>) {84    const checkTask$ = this.checkerPool85      .schedule(input$, async (checker, mutant) => {86        const checkResult = await checker.check(mutant);87        return {88          checkResult,89          mutant,90        };91      })92      .pipe(93        // Dispose when all checks are completed.94        // This will allow resources to be freed up and more test runners to be spined up.95        tap({96          complete: () => {97            this.checkerPool.dispose();98            this.concurrencyTokenProvider.freeCheckers();99          },100        }),101        shareReplay()102      );103    const [passedCheckResult$, failedCheckResult$] = partition(checkTask$, ({ checkResult }) => checkResult.status === CheckStatus.Passed);104    const checkResult$ = failedCheckResult$.pipe(105      map((failedMutant) =>106        this.mutationTestReportHelper.reportCheckFailed(failedMutant.mutant, failedMutant.checkResult as Exclude<CheckResult, PassedCheckResult>)107      )108    );109    const passedMutant$ = passedCheckResult$.pipe(map(({ mutant }) => mutant));110    return { checkResult$, passedMutant$ };111  }112  private executeRunInTestRunner(input$: Observable<MutantTestCoverage>): Observable<MutantResult> {113    return this.testRunnerPool.schedule(input$, async (testRunner, mutant) => {114      const mutantRunOptions = this.createMutantRunOptions(mutant);115      const result = await testRunner.mutantRun(mutantRunOptions);116      return this.mutationTestReportHelper.reportMutantRunResult(mutant, result);117    });118  }119  private createMutantRunOptions(activeMutant: MutantTestCoverage): MutantRunOptions {120    const timeout = this.options.timeoutFactor * activeMutant.estimatedNetTime + this.options.timeoutMS + this.timeOverheadMS;121    const hitLimit = activeMutant.hitCount === undefined ? undefined : activeMutant.hitCount * HIT_LIMIT_FACTOR;122    return {123      activeMutant,124      timeout,125      testFilter: activeMutant.coveredBy,126      sandboxFileName: this.sandbox.sandboxFileFor(activeMutant.fileName),127      hitLimit,128      disableBail: this.options.disableBail,129    };130  }131  private logDone() {132    this.log.info('Done in %s.', this.timer.humanReadableElapsed());133  }...

Using AI Code Generation

1var testRunnerPool = require('stryker-parent').testRunnerPool;2testRunnerPool.run();3var testRunnerPool = require('stryker-parent').testRunnerPool;4testRunnerPool.run();5var testRunnerPool = require('stryker-parent').testRunnerPool;6testRunnerPool.run();7var testRunnerPool = require('stryker-parent').testRunnerPool;8testRunnerPool.run();9var testRunnerPool = require('stryker-parent').testRunnerPool;10testRunnerPool.run();11var testRunnerPool = require('stryker-parent').testRunnerPool;12testRunnerPool.run();13var testRunnerPool = require('stryker-parent').testRunnerPool;14testRunnerPool.run();15var testRunnerPool = require('stryker-parent').testRunnerPool;16testRunnerPool.run();17var testRunnerPool = require('stryker-parent').testRunnerPool;18testRunnerPool.run();19var testRunnerPool = require('stryker-parent').testRunnerPool;20testRunnerPool.run();21var testRunnerPool = require('stryker-parent').testRunnerPool;22testRunnerPool.run();23var testRunnerPool = require('stryker-parent').testRunnerPool;24testRunnerPool.run();25var testRunnerPool = require('

Using AI Code Generation

1var testRunnerPool = require('stryker-parent').testRunnerPool;2var testRunner = testRunnerPool.testRunner;3var testFramework = testRunnerPool.testFramework;4var log = require('stryker-api').logging.getLogger('testRunnerPool');5log.debug('testRunnerPool loaded');6testRunner.run({port: 12345}, function (err, result) {7  if (err) {8    log.error(err);9  } else {10    log.debug('testRunnerPool run completed');11    log.debug(result);12  }13});14testRunnerPool.dispose();

Using AI Code Generation

1var testRunnerPool = require('stryker-parent').testRunnerPool;2var testRunner = testRunnerPool.create('mocha');3testRunner.run({ files: ['test.js'] }).then(function (result) {4    console.log(result);5});6var testRunnerPool = require('stryker-parent').testRunnerPool;7var testRunner = testRunnerPool.create('mocha');8testRunner.run({ files: ['test.js'] }).then(function (result) {9    console.log(result);10});11var testRunnerPool = require('stryker-parent').testRunnerPool;12var testRunner = testRunnerPool.create('mocha');13testRunner.run({ files: ['test.js'] }).then(function (result) {14    console.log(result);15});16var testRunnerPool = require('stryker-parent').testRunnerPool;17var testRunner = testRunnerPool.create('mocha');18testRunner.run({ files: ['test.js'] }).then(function (result) {19    console.log(result);20});21var testRunnerPool = require('stryker-parent').testRunnerPool;22var testRunner = testRunnerPool.create('mocha');23testRunner.run({ files: ['test.js'] }).then(function (result) {24    console.log(result);25});26var testRunnerPool = require('stryker-parent').testRunnerPool;27var testRunner = testRunnerPool.create('mocha');28testRunner.run({ files: ['test.js'] }).then(function (result) {29    console.log(result);30});31var testRunnerPool = require('stryker

Using AI Code Generation

1var testRunnerPool = require('stryker-parent').testRunnerPool;2var testRunner = testRunnerPool.create('myTestRunner');3testRunner.run({ files: ['a.js', 'b.js'] });4var TestRunner = require('stryker-api/test_runner').TestRunner;5var MyTestRunner = function () { /* ... */ };6MyTestRunner.prototype = Object.create(TestRunner.prototype);7MyTestRunner.prototype.run = function (runOptions) {8    this.emit('testResult', { name: 'a.js', status: 'failed' });9    this.emit('testResult', { name: 'b.js', status: 'passed' });10    this.emit('allTestsDone');11}12module.exports = MyTestRunner;13: the name of the test (e.g. the name of the test function)

Using AI Code Generation

1const testRunnerPool = require('stryker-parent').testRunnerPool;2testRunnerPool.run({port: 12345});3const testRunnerPool = require('stryker-parent').testRunnerPool;4testRunnerPool.run({port: 12345});5const testRunnerPool = require('stryker-parent').testRunnerPool;6testRunnerPool.run({port: 12345});7const testRunnerPool = require('stryker-parent').testRunnerPool;8testRunnerPool.run({port: 12345});9const testRunnerPool = require('stryker-parent').testRunnerPool;10testRunnerPool.run({port: 12345});11const testRunnerPool = require('stryker-parent').testRunnerPool;12testRunnerPool.run({port: 12345});13const testRunnerPool = require('stryker-parent').testRunnerPool;14testRunnerPool.run({port: 12345});15const testRunnerPool = require('stryker-parent').testRunnerPool;16testRunnerPool.run({port: 12345});17const testRunnerPool = require('stryker-parent').testRunnerPool;

Using AI Code Generation

1var childProcess = require("child_process");2var stryker = childProcess.fork("node_modules/stryker-parent/src/testRunnerPool.js", ["testRunnerPool"], {3  cwd: process.cwd(),4});5stryker.on("message", function(message) {6  console.log("message from child: " + message);7});8stryker.send("Hello from parent");9var childProcess = require("child_process");10var stryker = childProcess.fork("node_modules/stryker-parent/src/childProcessTestRunner.js", ["childProcessTestRunner"], {11  cwd: process.cwd(),12});13stryker.on("message", function(message) {14  console.log("message from child: " + message);15});16stryker.send("Hello from parent");17var childProcess = require("child_process");18var stryker = childProcess.fork("node_modules/stryker/src/TestRunner.js", ["TestRunner"], {19  cwd: process.cwd(),20});21stryker.on("message", function(message) {22  console.log("message from child: " + message);23});24stryker.send("Hello from parent");

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