Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use isEarlyResult method in stryker-parent

Best JavaScript code snippet using stryker-parent

mutant-test-planner.ts

Source:mutant-test-planner.ts

...238    result.push(test.id);239  }240  return result;241}242export function isEarlyResult(mutantPlan: MutantTestPlan): mutantPlan is MutantEarlyResultPlan {243  return mutantPlan.plan === PlanKind.EarlyResult;244}245export function isRunPlan(mutantPlan: MutantTestPlan): mutantPlan is MutantRunPlan {246  return mutantPlan.plan === PlanKind.Run;...

4-mutation-test-executor.ts

Source:4-mutation-test-executor.ts

1import { from, partition, merge, Observable, lastValueFrom, EMPTY, concat, bufferTime, mergeMap } from 'rxjs';2import { toArray, map, shareReplay, tap } from 'rxjs/operators';3import { tokens, commonTokens } from '@stryker-mutator/api/plugin';4import { MutantResult, MutantStatus, Mutant, StrykerOptions, PlanKind, MutantTestPlan, MutantRunPlan } from '@stryker-mutator/api/core';5import { TestRunner } from '@stryker-mutator/api/test-runner';6import { Logger } from '@stryker-mutator/api/logging';7import { I } from '@stryker-mutator/util';8import { CheckStatus } from '@stryker-mutator/api/check';9import { coreTokens } from '../di/index.js';10import { StrictReporter } from '../reporters/strict-reporter.js';11import { MutationTestReportHelper } from '../reporters/mutation-test-report-helper.js';12import { Timer } from '../utils/timer.js';13import { ConcurrencyTokenProvider, Pool } from '../concurrent/index.js';14import { isEarlyResult, MutantTestPlanner } from '../mutants/index.js';15import { CheckerFacade } from '../checker/index.js';16import { DryRunContext } from './3-dry-run-executor.js';17export interface MutationTestContext extends DryRunContext {18  [coreTokens.testRunnerPool]: I<Pool<TestRunner>>;19  [coreTokens.timeOverheadMS]: number;20  [coreTokens.mutationTestReportHelper]: MutationTestReportHelper;21  [coreTokens.mutantTestPlanner]: MutantTestPlanner;22}23const CHECK_BUFFER_MS = 10_000;24/**25 * Sorting the tests just before running them can yield a significant performance boost,26 * because it can reduce the number of times a test runner process needs to be recreated.27 * However, we need to buffer the results in order to be able to sort them.28 *29 * This value is very low, since it would halt the test execution otherwise.30 * @see https://github.com/stryker-mutator/stryker-js/issues/346231 */32const BUFFER_FOR_SORTING_MS = 0;33export class MutationTestExecutor {34  public static inject = tokens(35    coreTokens.reporter,36    coreTokens.testRunnerPool,37    coreTokens.checkerPool,38    coreTokens.mutants,39    coreTokens.mutantTestPlanner,40    coreTokens.mutationTestReportHelper,41    commonTokens.logger,42    commonTokens.options,43    coreTokens.timer,44    coreTokens.concurrencyTokenProvider45  );46  constructor(47    private readonly reporter: StrictReporter,48    private readonly testRunnerPool: I<Pool<TestRunner>>,49    private readonly checkerPool: I<Pool<I<CheckerFacade>>>,50    private readonly mutants: readonly Mutant[],51    private readonly planner: MutantTestPlanner,52    private readonly mutationTestReportHelper: I<MutationTestReportHelper>,53    private readonly log: Logger,54    private readonly options: StrykerOptions,55    private readonly timer: I<Timer>,56    private readonly concurrencyTokenProvider: I<ConcurrencyTokenProvider>57  ) {}58  public async execute(): Promise<MutantResult[]> {59    const mutantTestPlans = await this.planner.makePlan(this.mutants);60    const { earlyResult$, runMutant$ } = this.executeEarlyResult(from(mutantTestPlans));61    const { passedMutant$, checkResult$ } = this.executeCheck(runMutant$);62    const { coveredMutant$, noCoverageResult$ } = this.executeNoCoverage(passedMutant$);63    const testRunnerResult$ = this.executeRunInTestRunner(coveredMutant$);64    const results = await lastValueFrom(merge(testRunnerResult$, checkResult$, noCoverageResult$, earlyResult$).pipe(toArray()));65    await this.mutationTestReportHelper.reportAll(results);66    await this.reporter.wrapUp();67    this.logDone();68    return results;69  }70  private executeEarlyResult(input$: Observable<MutantTestPlan>) {71    const [earlyResultMutants$, runMutant$] = partition(input$.pipe(shareReplay()), isEarlyResult);72    const earlyResult$ = earlyResultMutants$.pipe(map(({ mutant }) => this.mutationTestReportHelper.reportMutantStatus(mutant, mutant.status)));73    return { earlyResult$, runMutant$ };74  }75  private executeNoCoverage(input$: Observable<MutantRunPlan>) {76    const [noCoverageMatchedMutant$, coveredMutant$] = partition(input$.pipe(shareReplay()), ({ runOptions }) => runOptions.testFilter?.length === 0);77    const noCoverageResult$ = noCoverageMatchedMutant$.pipe(78      map(({ mutant }) => this.mutationTestReportHelper.reportMutantStatus(mutant, MutantStatus.NoCoverage))79    );80    return { noCoverageResult$, coveredMutant$ };81  }82  private executeRunInTestRunner(input$: Observable<MutantRunPlan>): Observable<MutantResult> {83    const sortedPlan$ = input$.pipe(84      bufferTime(BUFFER_FOR_SORTING_MS),85      mergeMap((plans) => plans.sort(reloadEnvironmentLast))86    );87    return this.testRunnerPool.schedule(sortedPlan$, async (testRunner, { mutant, runOptions }) => {88      const result = await testRunner.mutantRun(runOptions);89      return this.mutationTestReportHelper.reportMutantRunResult(mutant, result);90    });91  }92  private logDone() {93    this.log.info('Done in %s.', this.timer.humanReadableElapsed());94  }95  /**96   * Checks mutants against all configured checkers (if any) and returns steams for failed checks and passed checks respectively97   * @param input$ The mutant run plans to check98   */99  public executeCheck(input$: Observable<MutantRunPlan>): {100    checkResult$: Observable<MutantResult>;101    passedMutant$: Observable<MutantRunPlan>;102  } {103    let checkResult$: Observable<MutantResult> = EMPTY;104    let passedMutant$ = input$;105    for (const checkerName of this.options.checkers) {106      // Use this checker107      const [checkFailedResult$, checkPassedResult$] = partition(108        this.executeSingleChecker(checkerName, passedMutant$).pipe(shareReplay()),109        isEarlyResult110      );111      // Prepare for the next one112      passedMutant$ = checkPassedResult$;113      checkResult$ = concat(checkResult$, checkFailedResult$.pipe(map(({ mutant }) => mutant)));114    }115    return {116      checkResult$,117      passedMutant$: passedMutant$.pipe(118        tap({119          complete: async () => {120            await this.checkerPool.dispose();121            this.concurrencyTokenProvider.freeCheckers();122          },123        })124      ),125    };126  }127  /**128   * Executes the check task for one checker129   * @param checkerName The name of the checker to execute130   * @param input$ The mutants tasks to check131   * @returns An observable stream with early results (check failed) and passed results132   */133  private executeSingleChecker(checkerName: string, input$: Observable<MutantRunPlan>): Observable<MutantTestPlan> {134    const group$ = this.checkerPool135      .schedule(input$.pipe(bufferTime(CHECK_BUFFER_MS)), (checker, mutants) => checker.group(checkerName, mutants))136      .pipe(mergeMap((mutantGroups) => mutantGroups));137    const checkTask$ = this.checkerPool138      .schedule(group$, (checker, group) => checker.check(checkerName, group))139      .pipe(140        mergeMap((mutantGroupResults) => mutantGroupResults),141        map(([mutantRunPlan, checkResult]) =>142          checkResult.status === CheckStatus.Passed143            ? mutantRunPlan144            : {145                plan: PlanKind.EarlyResult as const,146                mutant: this.mutationTestReportHelper.reportCheckFailed(mutantRunPlan.mutant, checkResult),147              }148        )149      );150    return checkTask$;151  }152}153/**154 * Sorting function that sorts mutant run plans that reload environments last.155 * This can yield a significant performance boost, because it reduces the times a test runner process needs to restart.156 * @see https://github.com/stryker-mutator/stryker-js/issues/3462157 */158function reloadEnvironmentLast(a: MutantRunPlan, b: MutantRunPlan): number {159  if (a.plan === PlanKind.Run && b.plan === PlanKind.Run) {160    if (a.runOptions.reloadEnvironment && !b.runOptions.reloadEnvironment) {161      return 1;162    }163    if (!a.runOptions.reloadEnvironment && b.runOptions.reloadEnvironment) {164      return -1;165    }166    return 0;167  }168  return 0;...

Using AI Code Generation

1const { isEarlyResult } = require('stryker-parent');2console.log(isEarlyResult('earlyResult'));3{4  "scripts": {5  },6  "dependencies": {7  }8}

Using AI Code Generation

1const { isEarlyResult } = require('stryker-parent');2const result = isEarlyResult({ killed: 1, survived: 1, timeout: 1, noCoverage: 1, error: 1, totalDetected: 1, totalUndetected: 1, totalMutants: 1, mutationScore: 1, mutationScoreBasedOnCoveredCode: 1, compileErrors: 1, runtimeErrors: 1, killedBy: { '1': 1 } }, 1, 1);3const { isEarlyResult } = require('stryker-parent');4const result = isEarlyResult({ killed: 1, survived: 1, timeout: 1, noCoverage: 1, error: 1, totalDetected: 1, totalUndetected: 1, totalMutants: 1, mutationScore: 1, mutationScoreBasedOnCoveredCode: 1, compileErrors: 1, runtimeErrors: 1, killedBy: { '1': 1 } }, 1, 1);5const { isEarlyResult } = require('stryker-parent');6const result = isEarlyResult({ killed: 1, survived: 1, timeout: 1, noCoverage: 1, error: 1, totalDetected: 1, totalUndetected: 1, totalMutants: 1, mutationScore: 1, mutationScoreBasedOnCoveredCode: 1, compileErrors: 1, runtimeErrors: 1, killedBy: { '1': 1 } }, 1, 1);7const { isEarlyResult } = require('stryker-parent');8const result = isEarlyResult({ killed: 1, survived: 1, timeout: 1, noCoverage: 1, error: 1, totalDetected: 1, totalUndetected: 1, totalMutants: 1, mutationScore: 1, mutationScoreBasedOnCoveredCode: 1, compileErrors: 1, runtimeErrors: 1, killedBy: { '1': 1 } }, 1, 1);

Using AI Code Generation

1const { isEarlyResult } = require('stryker-parent');2const isEarlyResult = isEarlyResult(process.argv);3if (isEarlyResult) {4  console.log('Early result from stryker');5  process.exit(0);6}7const Stryker = require('stryker');8const stryker = new Stryker();9stryker.runMutationTest().then(() => {10  console.log('Mutation test completed');11  process.exit(0);12});13{14  "scripts": {15  },16  "dependencies": {17  }18}

Using AI Code Generation

1const strykerParent = require('stryker-parent');2const earlyResult = strykerParent.isEarlyResult();3console.log(earlyResult);4const isEarlyResult = () => {5    return process.env['STRYKER_TEST_RUNNER'] === 'early';6};7module.exports = {8};

Using AI Code Generation

1var earlyResult = require('stryker-parent').isEarlyResult;2if (earlyResult) {3    console.log('Early result detected');4}5var earlyResult = require('stryker-parent').isEarlyResult;6if (earlyResult) {7    console.log('Early result detected');8}9var earlyResult = require('stryker-parent').isEarlyResult;10if (earlyResult) {11    console.log('Early result detected');12}13var earlyResult = require('stryker-parent').isEarlyResult;14if (earlyResult) {15    console.log('Early result detected');16}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.