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How to use coverageResultsPerMutant 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

1import { coverageResultsPerMutant } from 'stryker-parent';2const mutants = [/*...*/];3const coverageResults = [/*...*/];4const result = coverageResultsPerMutant(mutants, coverageResults);5export function coverageResultsPerMutant(mutants, coverageResults) {6  return perMutantCoverageResults;7}8{9}10export function coverageResultsPerMutant(mutants, coverageResults) {11  return perMutantCoverageResults;12}13{14}

Using AI Code Generation

1const test = require('./test2');2const test2 = require('./test3');3test();4test2();5module.exports = function test() {6    console.log('test');7}8module.exports = function test2() {9    console.log('test2');10}11module.exports = function(config) {12  config.set({13    commandRunner: {14    },15  });16};

Using AI Code Generation

1const { coverageResultsPerMutant } = require('stryker-parent');2  {3    perTest: {4      '1': {5      },6      '2': {7      },8      '3': {9      }10    }11  }12];13  {14    location: {15      start: {16      },17      end: {18      }19    },20  },21  {22    location: {23      start: {24      },25      end: {26      }27    },28  },29  {30    location: {31      start: {32      },33      end: {34      }35    },36  }37];38const results = coverageResultsPerMutant(coverageResults, mutants);39console.log(results);40[ { id: '1', coveredBy: [ '1' ], static: [ '1' ] },41  { id: '2', coveredBy: [ '2' ], static: [ '2' ] },42  { id: '3', coveredBy: [ '3' ], static: [ '3' ] } ]

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