KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use staticRunPlans method in stryker-parent

Best JavaScript code snippet using stryker-parent

mutant-test-planner.ts

Source:mutant-test-planner.ts

1import path from 'path';2import { TestResult } from '@stryker-mutator/api/test-runner';3import { MutantRunPlan, MutantTestPlan, PlanKind, Mutant, StrykerOptions, MutantStatus, MutantEarlyResultPlan } from '@stryker-mutator/api/core';4import { commonTokens, tokens } from '@stryker-mutator/api/plugin';5import { Logger } from '@stryker-mutator/api/logging';6import { I, notEmpty } from '@stryker-mutator/util';7import { coreTokens } from '../di/index.js';8import { StrictReporter } from '../reporters/strict-reporter.js';9import { Sandbox } from '../sandbox/index.js';10import { objectUtils } from '../utils/object-utils.js';11import { optionsPath } from '../utils/index.js';12import { Project } from '../fs/project.js';13import { IncrementalDiffer, toRelativeNormalizedFileName } from './incremental-differ.js';14import { TestCoverage } from './test-coverage.js';15/**16 * The factor by which hit count from dry run is multiplied to calculate the hit limit for a mutant.17 * This is intentionally a high value to prevent false positives.18 *19 * For example, a property testing library might execute a failing scenario multiple times to determine the smallest possible counterexample.20 * @see https://jsverify.github.io/#minimal-counterexample21 */22const HIT_LIMIT_FACTOR = 100;23/**24 * Responsible for determining the tests to execute for each mutant, as well as other run option specific details25 *26 */27export class MutantTestPlanner {28  public static readonly inject = tokens(29    coreTokens.testCoverage,30    coreTokens.incrementalDiffer,31    coreTokens.reporter,32    coreTokens.sandbox,33    coreTokens.project,34    coreTokens.timeOverheadMS,35    commonTokens.options,36    commonTokens.logger37  );38  private readonly timeSpentAllTests: number;39  constructor(40    private readonly testCoverage: I<TestCoverage>,41    private readonly incrementalDiffer: IncrementalDiffer,42    private readonly reporter: StrictReporter,43    private readonly sandbox: I<Sandbox>,44    private readonly project: I<Project>,45    private readonly timeOverheadMS: number,46    private readonly options: StrykerOptions,47    private readonly logger: Logger48  ) {49    this.timeSpentAllTests = calculateTotalTime(this.testCoverage.testsById.values());50  }51  public async makePlan(mutants: readonly Mutant[]): Promise<readonly MutantTestPlan[]> {52    const mutantsDiff = await this.incrementalDiff(mutants);53    const mutantPlans = mutantsDiff.map((mutant) => this.planMutant(mutant));54    this.reporter.onMutationTestingPlanReady({ mutantPlans });55    this.warnAboutSlow(mutantPlans);56    return mutantPlans;57  }58  private planMutant(mutant: Mutant): MutantTestPlan {59    const isStatic = this.testCoverage.hasStaticCoverage(mutant.id);60    if (mutant.status) {61      // If this mutant was already ignored, early result62      return this.createMutantEarlyResultPlan(mutant, {63        isStatic,64        coveredBy: mutant.coveredBy,65        killedBy: mutant.killedBy,66        status: mutant.status,67        statusReason: mutant.statusReason,68      });69    } else if (this.testCoverage.hasCoverage) {70      // If there was coverage information (coverageAnalysis not "off")71      const tests = this.testCoverage.testsByMutantId.get(mutant.id) ?? [];72      const coveredBy = toTestIds(tests);73      if (!isStatic || (this.options.ignoreStatic && coveredBy.length)) {74        // If not static, or it was "hybrid" (both static and perTest coverage) and ignoreStatic is on.75        // Only run covered tests with mutant active during runtime76        const netTime = calculateTotalTime(tests);77        return this.createMutantRunPlan(mutant, { netTime, coveredBy, isStatic, testFilter: coveredBy });78      } else if (this.options.ignoreStatic) {79        // Static (w/o perTest coverage) and ignoreStatic is on -> Ignore.80        return this.createMutantEarlyResultPlan(mutant, {81          status: MutantStatus.Ignored,82          statusReason: 'Static mutant (and "ignoreStatic" was enabled)',83          isStatic,84          coveredBy,85        });86      } else {87        // Static (or hybrid) and `ignoreStatic` is off -> run all tests88        return this.createMutantRunPlan(mutant, { netTime: this.timeSpentAllTests, isStatic, coveredBy });89      }90    } else {91      // No coverage information exists, all tests need to run92      return this.createMutantRunPlan(mutant, { netTime: this.timeSpentAllTests });93    }94  }95  private createMutantEarlyResultPlan(96    mutant: Mutant,97    {98      isStatic,99      status,100      statusReason,101      coveredBy,102      killedBy,103    }: { isStatic: boolean | undefined; status: MutantStatus; statusReason?: string; coveredBy?: string[]; killedBy?: string[] }104  ): MutantEarlyResultPlan {105    return {106      plan: PlanKind.EarlyResult,107      mutant: {108        ...mutant,109        status,110        static: isStatic,111        statusReason,112        coveredBy,113        killedBy,114      },115    };116  }117  private createMutantRunPlan(118    mutant: Mutant,119    {120      netTime,121      testFilter,122      isStatic,123      coveredBy,124    }: { netTime: number; testFilter?: string[] | undefined; isStatic?: boolean | undefined; coveredBy?: string[] | undefined }125  ): MutantRunPlan {126    const { disableBail, timeoutMS, timeoutFactor } = this.options;127    const timeout = timeoutFactor * netTime + timeoutMS + this.timeOverheadMS;128    const hitCount = this.testCoverage.hitsByMutantId.get(mutant.id);129    const hitLimit = hitCount === undefined ? undefined : hitCount * HIT_LIMIT_FACTOR;130    return {131      plan: PlanKind.Run,132      netTime,133      mutant: {134        ...mutant,135        coveredBy,136        static: isStatic,137      },138      runOptions: {139        // Copy over relevant mutant fields, we don't want to copy over "static" and "coveredBy", test runners should only care about the testFilter140        activeMutant: {141          id: mutant.id,142          fileName: mutant.fileName,143          location: mutant.location,144          mutatorName: mutant.mutatorName,145          replacement: mutant.replacement,146        },147        mutantActivation: testFilter ? 'runtime' : 'static',148        timeout,149        testFilter,150        sandboxFileName: this.sandbox.sandboxFileFor(mutant.fileName),151        hitLimit,152        disableBail,153        reloadEnvironment: !testFilter,154      },155    };156  }157  private warnAboutSlow(mutantPlans: readonly MutantTestPlan[]) {158    if (!this.options.ignoreStatic && objectUtils.isWarningEnabled('slow', this.options.warnings)) {159      // Only warn when the estimated time to run all static mutants exceeds 40%160      // ... and when the average performance impact of a static mutant is estimated to be twice that (or more) of a non-static mutant161      const ABSOLUTE_CUT_OFF_PERUNAGE = 0.4;162      const RELATIVE_CUT_OFF_FACTOR = 2;163      const zeroIfNaN = (n: number) => (isNaN(n) ? 0 : n);164      const runPlans = mutantPlans.filter(isRunPlan);165      const staticRunPlans = runPlans.filter(({ mutant }) => mutant.static);166      const runTimeRunPlans = runPlans.filter(({ mutant }) => !mutant.static);167      const estimatedTimeForStaticMutants = staticRunPlans.reduce((acc, { netTime }) => acc + netTime, 0);168      const estimatedTimeForRunTimeMutants = runTimeRunPlans.reduce((acc, { netTime }) => acc + netTime, 0);169      const estimatedTotalTime = estimatedTimeForRunTimeMutants + estimatedTimeForStaticMutants;170      const avgTimeForAStaticMutant = zeroIfNaN(estimatedTimeForStaticMutants / staticRunPlans.length);171      const avgTimeForARunTimeMutant = zeroIfNaN(estimatedTimeForRunTimeMutants / runTimeRunPlans.length);172      const relativeTimeForStaticMutants = estimatedTimeForStaticMutants / estimatedTotalTime;173      const absoluteCondition = relativeTimeForStaticMutants >= ABSOLUTE_CUT_OFF_PERUNAGE;174      const relativeCondition = avgTimeForAStaticMutant >= RELATIVE_CUT_OFF_FACTOR * avgTimeForARunTimeMutant;175      if (relativeCondition && absoluteCondition) {176        const percentage = (perunage: number) => Math.round(perunage * 100);177        this.logger.warn(178          `Detected ${staticRunPlans.length} static mutants (${percentage(179            staticRunPlans.length / runPlans.length180          )}% of total) that are estimated to take ${percentage(181            relativeTimeForStaticMutants182          )}% of the time running the tests!\n  You might want to enable "ignoreStatic" to ignore these static mutants for your next run. \n  For more information about static mutants visit: https://stryker-mutator.io/docs/mutation-testing-elements/static-mutants.\n  (disable "${optionsPath(183            'warnings',184            'slow'185          )}" to ignore this warning)`186        );187      }188    }189  }190  private async incrementalDiff(currentMutants: readonly Mutant[]): Promise<readonly Mutant[]> {191    const { incrementalReport } = this.project;192    if (incrementalReport) {193      const currentFiles = await this.readAllOriginalFiles(194        currentMutants,195        this.testCoverage.testsById.values(),196        Object.keys(incrementalReport.files),197        Object.keys(incrementalReport.testFiles ?? {})198      );199      const diffedMutants = this.incrementalDiffer.diff(currentMutants, this.testCoverage, incrementalReport, currentFiles);200      return diffedMutants;201    }202    return currentMutants;203  }204  private async readAllOriginalFiles(205    ...thingsWithFileNamesOrFileNames: Array<Iterable<string | { fileName?: string }>>206  ): Promise<Map<string, string>> {207    const uniqueFileNames = [208      ...new Set(209        thingsWithFileNamesOrFileNames210          .flatMap((container) => [...container].map((thing) => (typeof thing === 'string' ? thing : thing.fileName)))211          .filter(notEmpty)212          .map((fileName) => path.resolve(fileName))213      ),214    ];215    const result = await Promise.all(216      uniqueFileNames.map(async (fileName) => {217        const originalContent = await this.project.files.get(fileName)?.readOriginal();218        if (originalContent) {219          return [toRelativeNormalizedFileName(fileName), originalContent] as const;220        } else {221          return undefined;222        }223      })224    );225    return new Map(result.filter(notEmpty));226  }227}228function calculateTotalTime(testResults: Iterable<TestResult>): number {229  let total = 0;230  for (const test of testResults) {231    total += test.timeSpentMs;232  }233  return total;234}235function toTestIds(testResults: Iterable<TestResult>): string[] {236  const result = [];237  for (const test of testResults) {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;...

Using AI Code Generation

1const staticRunPlans = require('stryker-parent').staticRunPlans;2staticRunPlans([3  {4  },5  {6  }7]);8module.exports = function (config) {9  config.set({10      { pattern: 'src/**/*.js', mutated: true, included: false },11  });12};13{14}15module.exports = function(config) {16  config.set({17  });18};

Using AI Code Generation

1const { staticRunPlans } = require('stryker-parent');2const { run } = require('stryker');3const runOptions = {4};5staticRunPlans(run, runOptions).then(result => {6  console.log(result);7});8const { staticRunPlans } = require('stryker-parent');9const { run } = require('stryker');10const runOptions = {11};12staticRunPlans(run, runOptions).then(result => {13  console.log(result);14});15const { staticRunPlans } = require('stryker-parent');16const { run } = require('stryker');17const runOptions = {18};19staticRunPlans(run, runOptions).then(result => {20  console.log(result);21});22const { staticRunPlans } = require('stryker-parent');23const { run } = require('stryker');24const runOptions = {25};26staticRunPlans(run, runOptions).then(result

Using AI Code Generation

1const { staticRunPlans } = require('stryker-parent');2const path = require('path');3const plan = {4    config: {5    },6    testRunnerOptions: {7        mochaOptions: {8        }9    }10};11staticRunPlans({12    basePath: path.resolve(__dirname, 'test-projects', 'angular-1.x')13});14[2018-06-29 10:00:24.604] [INFO] Stryker - 0 Mutant(s) generated15[2018-06-29 10:00:24.604] [INFO] Stryker - 0 Mutant(s) tested (0 survived)16[2018-06-29 10:00:24.604] [INFO] Stryker - 0 Mutant(s) generated17[2018-06-29 10:00:24.604] [INFO] Stryker - 0 Mutant(s) tested (0 survived)18[2018-06-29 10:00:24.604] [INFO] Stryker - 0 Mutant(s) generated19[2018-06-29 10:00:24.604] [INFO] Stryker - 0 Mutant(s) tested (0 survived)

Using AI Code Generation

1var stryker = require('stryker-parent');2var test = stryker.staticRunPlans({3});4console.log('test', test);5test.then(function (result) {6    console.log('result', result);7});8var stryker = require('stryker-parent');9var test = stryker.staticRunPlans({10});11console.log('test', test);12test.then(function (result) {13    console.log('result', result);14});15module.exports = function (config) {16    config.set({17    });18};19module.exports = function (config) {20    config.set({21    });22};23module.exports = function (config) {24    config.set({

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.