How to use testsByMutantId method in stryker-parent

Best JavaScript code snippet using stryker-parent

find-mutant-test-coverage.ts

Source:find-mutant-test-coverage.ts

1import { CompleteDryRunResult, TestResult } from '@stryker-mutator/api/test-runner';2import { Mutant, CoveragePerTestId, MutantTestCoverage, MutantCoverage } from '@stryker-mutator/api/core';3import { commonTokens, tokens } from '@stryker-mutator/api/plugin';4import { Logger } from '@stryker-mutator/api/logging';5import { coreTokens } from '../di';6import { StrictReporter } from '../reporters/strict-reporter';7findMutantTestCoverage.inject = tokens(coreTokens.dryRunResult, coreTokens.mutants, coreTokens.reporter, commonTokens.logger);8export function findMutantTestCoverage(9  dryRunResult: CompleteDryRunResult,10  mutants: readonly Mutant[],11  reporter: StrictReporter,12  logger: Logger13): MutantTestCoverage[] {14  const mutantTestCoverage = mapToMutantTestCoverage(dryRunResult, mutants, logger);15  reporter.onAllMutantsMatchedWithTests(mutantTestCoverage);16  return mutantTestCoverage;17}18function mapToMutantTestCoverage(dryRunResult: CompleteDryRunResult, mutants: readonly Mutant[], logger: Logger): MutantTestCoverage[] {19  const testsByMutantId = findTestsByMutant(dryRunResult.mutantCoverage?.perTest, dryRunResult.tests, logger);20  const hitsByMutantId = findHitsByMutantId(dryRunResult.mutantCoverage);21  const timeSpentAllTests = calculateTotalTime(dryRunResult.tests);22  const mutantCoverage = mutants.map((mutant): MutantTestCoverage => {23    const hitCount = hitsByMutantId.get(mutant.id);24    if (mutant.status) {25      return {26        ...mutant,27        static: false,28        hitCount,29        estimatedNetTime: 0,30      };31    } else if (!dryRunResult.mutantCoverage || dryRunResult.mutantCoverage.static[mutant.id] > 0) {32      // When there is static coverage for this mutant, it is a static mutant.33      return {34        ...mutant,35        estimatedNetTime: timeSpentAllTests,36        hitCount,37        coveredBy: undefined,38        static: true,39      };40    } else {41      // If no static coverage, but there is test coverage, it is a non-static, covered mutant42      const tests = testsByMutantId.get(mutant.id);43      if (tests && tests.size > 0) {44        return {45          ...mutant,46          estimatedNetTime: calculateTotalTime(tests),47          hitCount,48          coveredBy: toTestIds(tests),49          static: false,50        };51      } else {52        // Otherwise it is has no coverage53        return {54          ...mutant,55          estimatedNetTime: 0,56          hitCount,57          coveredBy: [],58          static: false,59        };60      }61    }62  });63  return mutantCoverage;64}65function findTestsByMutant(coveragePerTest: CoveragePerTestId | undefined, allTests: TestResult[], logger: Logger) {66  const testsByMutantId = new Map<string, Set<TestResult>>();67  coveragePerTest &&68    Object.entries(coveragePerTest).forEach(([testId, mutantCoverage]) => {69      const foundTest = allTests.find((test) => test.id === testId);70      if (!foundTest) {71        logger.debug(72          `Found test with id "${testId}" in coverage data, but not in the test results of the dry run. Not taking coverage data for this test into account`73        );74        return;75      }76      Object.entries(mutantCoverage).forEach(([mutantId, count]) => {77        if (count) {78          let tests = testsByMutantId.get(mutantId);79          if (!tests) {80            tests = new Set();81            testsByMutantId.set(mutantId, tests);82          }83          tests.add(foundTest);84        }85      });86    });87  return testsByMutantId;88}89function calculateTotalTime(testResults: Iterable<TestResult>): number {90  let total = 0;91  for (const test of testResults) {92    total += test.timeSpentMs;93  }94  return total;95}96function toTestIds(testResults: Iterable<TestResult>): string[] {97  const result = [];98  for (const test of testResults) {99    result.push(test.id);100  }101  return result;102}103/**104 * Find the number of hits per mutant. This is the total amount of times the mutant was executed during the dry test run.105 * @param coverageData The coverage data from the initial test run106 * @returns The hits by mutant id107 */108function findHitsByMutantId(coverageData: MutantCoverage | undefined): Map<string, number> {109  const hitsByMutant = new Map<string, number>();110  if (coverageData) {111    // We don't care about the exact tests in this case, just the total number of hits112    const coverageResultsPerMutant = [coverageData.static, ...Object.values(coverageData.perTest)];113    coverageResultsPerMutant.forEach((coverageByMutantId) => {114      Object.entries(coverageByMutantId).forEach(([mutantId, count]) => {115        hitsByMutant.set(mutantId, (hitsByMutant.get(mutantId) ?? 0) + count);116      });117    });118  }119  return hitsByMutant;...

Using AI Code Generation

1const { testsByMutantId } = require('stryker-parent');2const { testsByMutantId } = require('stryker-child');3const { testsByMutantId } = require('stryker-parent');4const { testsByMutantId } = require('stryker-child');5const { testsByMutantId } = require('stryker-parent');6const { testsByMutantId } = require('stryker-child');7const { testsByMutantId } = require('stryker-parent');8const { testsByMutantId } = require('stryker-child');9const { testsByMutantId } = require('stryker-parent');10const { testsByMutantId } = require('stryker-child');11const { testsByMutantId } = require('stryker-parent');12const { testsByMutantId } = require('stryker-child');13const { testsByMutantId } = require('stryker-parent');14const { testsByMutantId } = require('stryker-child');15const { testsByMutantId } = require('stryker-parent');

Using AI Code Generation

1const { testsByMutantId } = require('stryker-parent');2const tests = testsByMutantId();3console.log(tests);4const { testsByMutantId } = require('stryker-parent');5const tests = testsByMutantId();6console.log(tests);7module.exports = function(config) {8  config.set({9    mochaOptions: {10    }11  });12};13module.exports = function(config) {14  config.set({15    mochaOptions: {16    }17  });18};19const { testsByMutantId } = require('stryker-parent');20const tests = testsByMutantId();21console.log(tests);22const { testsByMutantId } = require('stryker-parent');23const tests = testsByMutantId();24console.log(tests);25module.exports = function(config) {26  config.set({27    mochaOptions: {28    }29  });30};

Using AI Code Generation

1const { testsByMutantId } = require('stryker-parent');2const { expect } = require('chai');3describe('testsByMutantId', () => {4  it('should return the tests to run for a mutant', () => {5    const mutantId = '1:1:1';6    const tests = ['a', 'b', 'c'];7    expect(testsByMutantId(mutantId, tests)).deep.eq(['a', 'b', 'c']);8  });9});

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