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

Copied to Clipboard!

How to use mutantCanBeReused method in stryker-parent

Best JavaScript code snippet using stryker-parent

incremental-differ.ts

Source:incremental-differ.ts

...111        const oldMutant = reusableMutantsByKey.get(mutantKey);112        if (oldMutant) {113          const coveringTests = testCoverage.forMutant(mutant.id);114          const killedByTestKeys = oldKilledTestKeysByMutantKey.get(mutantKey);115          if (mutantCanBeReused(mutant, oldMutant, mutantKey, coveringTests, killedByTestKeys)) {116            reusedMutantCount++;117            const { status, statusReason, testsCompleted } = oldMutant;118            return {119              ...mutant,120              status,121              statusReason,122              testsCompleted,123              coveredBy: [...(coveringTests ?? [])].map(({ id }) => id),124              killedBy: testKeysToId(killedByTestKeys),125            };126          }127        } else {128          mutantStatisticsCollector.count(relativeFileName, 'added');129        }130      }131      return mutant;132    });133    // Make sure that old mutants that didn't run this time around aren't forgotten134    for (const [mutantKey, oldResult] of reusableMutantsByKey) {135      // Do an additional check to see if the mutant is in mutated range.136      //137      // For example:138      // ```diff139      // - return a || b;140      // + return a && b;141      // ```142      // The conditional expression mutator here decides to _not_ mutate b to `false` the second time around. (even though the text of "b" itself didn't change)143      // Not doing this additional check would result in a sticky mutant that is never removed144      if (!currentMutantKeys.has(mutantKey) && !this.isInMutatedScope(oldResult.relativeFileName, oldResult)) {145        const coverage = oldCoverageTestKeysByMutantKey.get(mutantKey) ?? [];146        const killed = oldKilledTestKeysByMutantKey.get(mutantKey) ?? [];147        const coveredBy = testKeysToId(coverage);148        const killedBy = testKeysToId(killed);149        const reusedMutant = {150          ...oldResult,151          id: mutantKey,152          fileName: path.resolve(oldResult.relativeFileName),153          replacement: oldResult.replacement ?? oldResult.mutatorName,154          coveredBy,155          killedBy,156        };157        mutants.push(reusedMutant);158        testCoverage.addCoverage(reusedMutant.id, coveredBy);159      }160    }161    if (this.logger.isInfoEnabled()) {162      const testInfo = testCoverage.hasCoverage ? `\n\tTests:\t\t${testStatisticsCollector.createTotalsReport()}` : '';163      this.logger.info(164        `Incremental report:\n\tMutants:\t${mutantStatisticsCollector.createTotalsReport()}` +165          testInfo +166          `\n\tResult:\t\t${chalk.yellowBright(reusedMutantCount)} of ${currentMutants.length} mutant result(s) are reused.`167      );168    }169    if (this.logger.isDebugEnabled()) {170      const lineSeparator = '\n\t\t';171      const noChanges = 'No changes';172      const detailedMutantSummary = `${lineSeparator}${mutantStatisticsCollector.createDetailedReport().join(lineSeparator) || noChanges}`;173      const detailedTestsSummary = `${lineSeparator}${testStatisticsCollector.createDetailedReport().join(lineSeparator) || noChanges}`;174      this.logger.debug(`Detailed incremental report:\n\tMutants: ${detailedMutantSummary}\n\tTests: ${detailedTestsSummary}`);175    }176    return mutants;177    function testKeysToId(testKeys: Iterable<string> | undefined) {178      return [...(testKeys ?? [])]179        .map((id) => testInfoByKey.get(id))180        .filter(notEmpty)181        .map(({ test: { id } }) => id);182    }183    function collectReusableMutantsByKey(log: Logger) {184      return new Map(185        Object.entries(files).flatMap(([fileName, oldFile]) => {186          const relativeFileName = toRelativeNormalizedFileName(fileName);187          const currentFileSource = currentRelativeFiles.get(relativeFileName);188          if (currentFileSource) {189            log.trace('Diffing %s', relativeFileName);190            const { results, removeCount } = performFileDiff(oldFile.source, currentFileSource, oldFile.mutants);191            mutantStatisticsCollector.count(relativeFileName, 'removed', removeCount);192            return results.map((m) => [193              mutantToIdentifyingKey(m, relativeFileName),194              {195                ...m,196                relativeFileName,197              },198            ]);199          }200          mutantStatisticsCollector.count(relativeFileName, 'removed', oldFile.mutants.length);201          // File has since been deleted, these mutants are not reused202          return [];203        })204      );205    }206    function collectReusableTestInfo(log: Logger) {207      const byId = new Map<string, { relativeFileName: string; test: TestDefinition; key: string }>();208      const byKey = new Map<string, TestInfo>();209      Object.entries(testFiles ?? {}).forEach(([fileName, oldTestFile]) => {210        const relativeFileName = toRelativeNormalizedFileName(fileName);211        const currentFileSource = currentRelativeFiles.get(relativeFileName);212        if (currentFileSource !== undefined && oldTestFile.source !== undefined) {213          log.trace('Diffing %s', relativeFileName);214          const locatedTests = closeLocations(oldTestFile);215          const { results, removeCount } = performFileDiff(oldTestFile.source, currentFileSource, locatedTests);216          testStatisticsCollector.count(relativeFileName, 'removed', removeCount);217          results.forEach((test) => {218            const key = testToIdentifyingKey(test, relativeFileName);219            const testInfo = { key, test, relativeFileName };220            byId.set(test.id, testInfo);221            byKey.set(key, testInfo);222          });223        } else {224          // No sources to compare, we should do our best with the info we do have225          oldTestFile.tests.map((test) => {226            const key = testToIdentifyingKey(test, relativeFileName);227            const testInfo = { key, test, relativeFileName };228            byId.set(test.id, testInfo);229            byKey.set(key, testInfo);230          });231        }232      });233      return { byId, byKey };234    }235    function collectOldKilledAndCoverageMatrix() {236      const oldCoverageByMutantKey = new Map<string, Set<string>>();237      const oldKilledByMutantKey = new Map<string, Set<string>>();238      for (const [key, mutant] of reusableMutantsByKey) {239        const killedRow = new Set(mutant.killedBy?.map((testId) => oldTestsById.get(testId)?.key).filter(notEmpty));240        const coverageRow = new Set(mutant.coveredBy?.map((testId) => oldTestsById.get(testId)?.key).filter(notEmpty));241        killedRow.forEach((killed) => coverageRow.add(killed));242        oldCoverageByMutantKey.set(key, coverageRow);243        oldKilledByMutantKey.set(key, killedRow);244      }245      return { oldCoverageByMutantKey, oldKilledByMutantKey };246    }247    function collectCurrentTestInfo() {248      const byTestKey = new Map<string, { relativeFileName: string; test: TestResult }>();249      for (const testResult of testCoverage.testsById.values()) {250        const relativeFileName = toRelativeNormalizedFileName(testResult.fileName);251        const key = testToIdentifyingKey(testResult, relativeFileName);252        const info = { relativeFileName, test: testResult, key: key };253        byTestKey.set(key, info);254      }255      return byTestKey;256    }257    function mutantCanBeReused(258      mutant: Mutant,259      oldMutant: schema.MutantResult,260      mutantKey: string,261      coveringTests: ReadonlySet<TestResult> | undefined,262      oldKillingTests: Set<string> | undefined263    ): boolean {264      if (!testCoverage.hasCoverage) {265        // This is the best we can do when the test runner didn't report coverage.266        // We assume that all mutant test results can be reused,267        // End users can use --force to force retesting of certain mutants268        return true;269      }270      if (oldMutant.status === MutantStatus.Ignored) {271        // Was previously ignored, but not anymore, we need to run it now...

Using AI Code Generation

1const mutantCanBeReused = require('stryker-parent').mutantCanBeReused;2const mutant = {3};4const result = mutantCanBeReused(mutant);5console.log(result);6const mutantCanBeReused = require('stryker').mutantCanBeReused;7const mutant = {8};9const result = mutantCanBeReused(mutant);10console.log(result);11"dependencies": {12  }

Using AI Code Generation

1const mutantCanBeReused = require('stryker-parent').mutantCanBeReused;2mutantCanBeReused('original', 'mutant');3exports.mutantCanBeReused = function(original, mutant) {4    return original === mutant;5}6{7}8const mutantCanBeReused = require('stryker-parent').mutantCanBeReused;9mutantCanBeReused('original', 'mutant');10exports.mutantCanBeReused = function(original, mutant) {11    return original === mutant;12}13{14}15const mutantCanBeReused = require('stryker-parent').mutantCanBeReused;16mutantCanBeReused('original', 'mutant');17exports.mutantCanBeReused = function(original, mutant) {18    return original === mutant;19}20{21}22const mutantCanBeReused = require('stryker-parent').mutantCanBeReused;23mutantCanBeReused('original', 'mutant');24exports.mutantCanBeReused = function(original, mutant) {25    return original === mutant;26}27{28}

Using AI Code Generation

1const mutant = new Mutant();2mutant.mutantCanBeReused();3const mutant = require('./Mutant');4module.exports = mutant.mutantCanBeReused;5module.exports = class Mutant {6  mutantCanBeReused() {7  }8}9module.exports = function(config) {10  config.set({11      'stryker-parent/**/!(*.spec).js',12    mochaOptions: {13    }14  });15};

Using AI Code Generation

1const mutantCanBeReused = require('stryker-parent/lib/mutantUtils').mutantCanBeReused;2const mutant = {mutatorName: 'StringLiteral', replacement: 'foo', range: [0, 1]};3const result = mutantCanBeReused(mutant);4console.log(result);5{6  "dependencies": {7  }8}9I just released a new version of stryker-parent (0.6.2) that should fix your problem. Could you verify that it works for you?

Using AI Code Generation

1var mutantCanBeReused = require('stryker-parent').mutantCanBeReused;2var result = mutantCanBeReused('test.js', 1, 2);3console.log(result);4module.exports = function(config) {5  config.set({6  });7}8module.exports = function(config) {9  config.set({10  });11}

Using AI Code Generation

1var mutant = require('stryker-parent').Mutant;2var mutantCanBeReused = mutant.mutantCanBeReused;3var mutator = require('stryker-parent').Mutator;4var mutators = mutator.mutators;5var mutator = mutators[0];6var mutatorName = mutator.name;7var mutatorType = mutator.type;8var mutatorMutate = mutator.mutate;

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.