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How to use withTestGenerationIncrementalReport method in stryker-parent

Best JavaScript code snippet using stryker-parent

incremental-differ.spec.ts

Source:incremental-differ.spec.ts

...238    this.testCoverage.addTest(gen1, gen2);239    this.testCoverage.addCoverage(this.mutantId, ['new-spec-2', gen1.id, gen2.id]);240    return this;241  }242  public withTestGenerationIncrementalReport(): this {243    this.incrementalTestFiles[testAdd].source = testAddContentWithTestGeneration;244    const createAddWithTestGenerationTestDefinition = (id: string, a: number, b: number, answer: number) =>245      factory.mutationTestReportSchemaTestDefinition({246        id,247        name: `should result in ${answer} for ${a} and ${b}`,248        location: loc(5, 4),249      });250    while (this.incrementalTestFiles[testAdd].tests.shift()) {}251    this.incrementalTestFiles[testAdd].tests.push(252      factory.mutationTestReportSchemaTestDefinition({ id: 'spec3', name: 'should have name "add"', location: loc(9, 2) }),253      createAddWithTestGenerationTestDefinition('spec4', 40, 2, 42),254      createAddWithTestGenerationTestDefinition('spec5', 45, -3, 42)255    );256    this.incrementalFiles[srcAdd].mutants[0].coveredBy = ['spec4', 'spec5'];257    this.incrementalFiles[srcAdd].mutants[0].killedBy = ['spec4'];258    return this;259  }260  public withRemovedTextBeforeMutant(text: string): this {261    this.incrementalFiles[srcAdd].source = srcAddContent262      .split('\n')263      .map((line, nr) => (nr === 1 ? `${text}${line}` : line))264      .join('\n');265    this.incrementalFiles[srcAdd].mutants[0].location = loc(1, 11 + text.length, 1, 12 + text.length);266    return this;267  }268  public withAddedTextAfterTest(text: string): this {269    const cnt = testAddContent270      .split('\n')271      .map((line, nr) => `${line}${nr === 6 ? text : ''}`)272      .join('\n');273    this.currentFiles.set(testAdd, cnt);274    return this;275  }276  public withChangedMutantText(replacement: string): this {277    this.currentFiles.set(srcAdd, srcAddContent.replace('+', replacement));278    return this;279  }280  public withDifferentMutator(mutatorName: string): this {281    this.mutants[0].mutatorName = mutatorName;282    return this;283  }284  public withDifferentReplacement(replacement: string): this {285    this.mutants[0].replacement = replacement;286    return this;287  }288  public withDifferentMutantLocation(): this {289    this.incrementalFiles[srcAdd].mutants[0].location = loc(2, 11, 2, 12);290    return this;291  }292  public withDifferentFileName(fileName: string): this {293    this.incrementalFiles[fileName] = this.incrementalFiles[srcAdd];294    delete this.incrementalFiles[srcAdd];295    return this;296  }297  public withSecondSourceAndTestFileInIncrementalReport(): this {298    this.incrementalTestFiles[testMultiply] = factory.mutationTestReportSchemaTestFile({299      source: testMultiplyContent,300      tests: [301        factory.mutationTestReportSchemaTestDefinition({ id: 'spec-3', location: loc(4, 2), name: 'multiply should result in 42 for 2 and 21' }),302      ],303    });304    this.incrementalFiles[srcMultiply] = factory.mutationTestReportSchemaFileResult({305      mutants: [306        factory.mutationTestReportSchemaMutantResult({307          id: 'mut-3',308          coveredBy: ['spec-3'],309          killedBy: ['spec-3'],310          replacement: '/',311          testsCompleted: 1,312          status: MutantStatus.Killed,313          location: loc(1, 11, 1, 12),314        }),315      ],316      source: srcMultiplyContent,317    });318    return this;319  }320  public withSecondSourceFile(): this {321    this.currentFiles.set(srcMultiply, srcMultiplyContent);322    return this;323  }324  public withSecondTestFile(): this {325    this.currentFiles.set(testMultiply, testMultiplyContent);326    return this;327  }328  public act() {329    this.sut = testInjector.injector.injectClass(IncrementalDiffer);330    deepFreeze(this.mutants); // make sure mutants aren't changed at all331    return this.sut.diff(332      this.mutants,333      this.testCoverage,334      factory.mutationTestReportSchemaMutationTestResult({335        files: this.incrementalFiles,336        testFiles: this.incrementalTestFiles,337      }),338      this.currentFiles339    );340  }341}342describe(IncrementalDiffer.name, () => {343  describe('mutant changes', () => {344    it('should copy status, statusReason, testsCompleted if nothing changed', () => {345      // Arrange346      const actualDiff = new ScenarioBuilder().withMathProjectExample().act();347      // Assert348      const actualMutant = actualDiff[0];349      const expected: Partial<Mutant> = {350        id: '2',351        fileName: srcAdd,352        replacement: '-',353        mutatorName: 'min-replacement',354        location: loc(1, 11, 1, 12),355        status: MutantStatus.Killed,356        statusReason: 'Killed by first test',357        testsCompleted: 1,358      };359      expect(actualMutant).deep.contains(expected);360    });361    it('should not reuse the result when --force is active', () => {362      // Arrange363      testInjector.options.force = true;364      const actualDiff = new ScenarioBuilder().withMathProjectExample().act();365      // Assert366      const actualMutant = actualDiff[0];367      expect(actualMutant.status).undefined;368    });369    it('should not reuse when the mutant was ignored', () => {370      // Arrange371      const actualDiff = new ScenarioBuilder().withMathProjectExample({ mutantState: MutantStatus.Ignored }).act();372      // Assert373      const actualMutant = actualDiff[0];374      expect(actualMutant.status).undefined;375    });376    it('should normalize line endings when comparing diffs', () => {377      const actualDiff = new ScenarioBuilder()378        .withMathProjectExample()379        .withTestFile()380        .withLocatedTest()381        .withCrlfLineEndingsInIncrementalReport()382        .act();383      const actualMutant = actualDiff[0];384      expect(actualMutant.status).eq(MutantStatus.Killed);385    });386    it('should map killedBy and coveredBy to the new test ids if a mutant result is reused', () => {387      const scenario = new ScenarioBuilder().withMathProjectExample();388      const actualDiff = scenario.act();389      const actualMutant = actualDiff[0];390      const expectedTestIds = [scenario.newTestId];391      const expected: Partial<Mutant> = {392        coveredBy: expectedTestIds,393        killedBy: expectedTestIds,394      };395      expect(actualMutant).deep.contains(expected);396    });397    it("should identify that a mutant hasn't changed if lines got added above", () => {398      const actualDiff = new ScenarioBuilder().withMathProjectExample().withAddedLinesAboveMutant("import path from 'path';", '', '').act();399      expect(actualDiff[0].status).eq(MutantStatus.Killed);400    });401    it("should identify that a mutant hasn't changed if characters got added before", () => {402      const actualDiff = new ScenarioBuilder().withMathProjectExample().withAddedTextBeforeMutant("/* text added this shouldn't matter */").act();403      expect(actualDiff[0].status).eq(MutantStatus.Killed);404    });405    it("should identify that a mutant hasn't changed if lines got removed above", () => {406      const actualDiff = new ScenarioBuilder().withMathProjectExample().withRemovedLinesAboveMutant('import path from "path";', '').act();407      expect(actualDiff[0].status).eq(MutantStatus.Killed);408    });409    it("should identify that a mutant hasn't changed if characters got removed before", () => {410      const actualDiff = new ScenarioBuilder().withMathProjectExample().withRemovedTextBeforeMutant("/* text removed, this shouldn't matter*/").act();411      expect(actualDiff[0].status).eq(MutantStatus.Killed);412    });413    it('should not reuse the status of a mutant in changed text', () => {414      const actualDiff = new ScenarioBuilder().withMathProjectExample().withChangedMutantText('*').act();415      expect(actualDiff[0].status).undefined;416    });417    it('should reuse the status when there is no test coverage', () => {418      const actualDiff = new ScenarioBuilder().withMathProjectExample().withoutTestCoverage().act();419      expect(actualDiff[0].status).eq(MutantStatus.Killed);420    });421    it('should not copy the status if the mutant came from a different mutator', () => {422      const scenario = new ScenarioBuilder().withMathProjectExample().withDifferentMutator('max-replacement');423      const actualDiff = scenario.act();424      expect(actualDiff[0]).deep.eq(scenario.mutants[0]);425    });426    it('should not copy the status if the mutant has a different replacement', () => {427      const scenario = new ScenarioBuilder().withMathProjectExample().withDifferentReplacement('other replacement');428      const actualDiff = scenario.act();429      expect(actualDiff[0]).deep.eq(scenario.mutants[0]);430    });431    it('should not copy the status if the mutant has a different location', () => {432      const scenario = new ScenarioBuilder().withMathProjectExample().withDifferentMutantLocation();433      const actualDiff = scenario.act();434      expect(actualDiff[0]).deep.eq(scenario.mutants[0]);435    });436    it('should not copy the status if the mutant has a different file name', () => {437      const scenario = new ScenarioBuilder().withMathProjectExample().withDifferentFileName('src/some-other-file.js');438      const actualDiff = scenario.act();439      expect(actualDiff).deep.eq(scenario.mutants);440    });441    it('should collect 1 added mutant and 1 removed mutant if the mutant changed', () => {442      const scenario = new ScenarioBuilder().withMathProjectExample().withChangedMutantText('*');443      scenario.act();444      expect(scenario.sut!.mutantStatisticsCollector!.changesByFile).lengthOf(1);445      const changes = scenario.sut!.mutantStatisticsCollector!.changesByFile.get(srcAdd)!;446      expect(changes).property('added', 1);447      expect(changes).property('removed', 1);448    });449    it('should collect the removed mutants if the file got removed', () => {450      const scenario = new ScenarioBuilder().withMathProjectExample().withDifferentFileName('src/some-other-file.js');451      scenario.act();452      expect(scenario.sut!.mutantStatisticsCollector!.changesByFile).lengthOf(2);453      const changesOldFile = scenario.sut!.mutantStatisticsCollector!.changesByFile.get('src/some-other-file.js')!;454      const changesNewFile = scenario.sut!.mutantStatisticsCollector!.changesByFile.get(srcAdd)!;455      expect(changesNewFile).property('added', 1);456      expect(changesNewFile).property('removed', 0);457      expect(changesOldFile).property('added', 0);458      expect(changesOldFile).property('removed', 1);459    });460    it('should collect 1 added mutant and 1 removed mutant if a mutant changed', () => {461      const scenario = new ScenarioBuilder().withMathProjectExample().withChangedMutantText('*');462      scenario.act();463      expect(scenario.sut!.mutantStatisticsCollector!.changesByFile).lengthOf(1);464      const changes = scenario.sut!.mutantStatisticsCollector!.changesByFile.get(srcAdd)!;465      expect(changes).property('added', 1);466      expect(changes).property('removed', 1);467    });468    it('should log an incremental report', () => {469      const scenario = new ScenarioBuilder().withMathProjectExample().withChangedMutantText('*');470      testInjector.logger.isInfoEnabled.returns(true);471      scenario.act();472      const { mutantStatisticsCollector, testStatisticsCollector } = scenario.sut!;473      sinon.assert.calledWithExactly(474        testInjector.logger.info,475        `Incremental report:\n\tMutants:\t${mutantStatisticsCollector!.createTotalsReport()}` +476          `\n\tTests:\t\t${testStatisticsCollector!.createTotalsReport()}` +477          `\n\tResult:\t\t${chalk.yellowBright(0)} of 1 mutant result(s) are reused.`478      );479    });480    it('should not log test diff when there is no test coverage', () => {481      const scenario = new ScenarioBuilder().withMathProjectExample().withoutTestCoverage();482      testInjector.logger.isInfoEnabled.returns(true);483      scenario.act();484      const { mutantStatisticsCollector } = scenario.sut!;485      sinon.assert.calledWithExactly(486        testInjector.logger.info,487        `Incremental report:\n\tMutants:\t${mutantStatisticsCollector!.createTotalsReport()}` +488          `\n\tResult:\t\t${chalk.yellowBright(1)} of 1 mutant result(s) are reused.`489      );490    });491    it('should log a detailed incremental report', () => {492      const scenario = new ScenarioBuilder().withMathProjectExample().withChangedMutantText('*');493      testInjector.logger.isDebugEnabled.returns(true);494      scenario.act();495      const { mutantStatisticsCollector } = scenario.sut!;496      const lineSeparator = '\n\t\t';497      const detailedMutantSummary = `${lineSeparator}${mutantStatisticsCollector!.createDetailedReport().join(lineSeparator)}`;498      sinon.assert.calledWithExactly(499        testInjector.logger.debug,500        `Detailed incremental report:\n\tMutants: ${detailedMutantSummary}\n\tTests: ${lineSeparator}No changes`501      );502    });503    it('should not log if logLevel "info" or "debug" aren\'t enabled', () => {504      const scenario = new ScenarioBuilder().withMathProjectExample().withChangedMutantText('*');505      testInjector.logger.isInfoEnabled.returns(false);506      testInjector.logger.isDebugEnabled.returns(false);507      scenario.act();508      sinon.assert.notCalled(testInjector.logger.debug);509      sinon.assert.notCalled(testInjector.logger.info);510    });511  });512  describe('test changes', () => {513    it('should identify that a mutant state can be reused when no tests changed', () => {514      const actualDiff = new ScenarioBuilder().withMathProjectExample().withTestFile().act();515      expect(actualDiff[0].status).eq(MutantStatus.Killed);516    });517    it('should identify that mutant state can be reused with changes above', () => {518      const actualDiff = new ScenarioBuilder()519        .withMathProjectExample()520        .withTestFile()521        .withLocatedTest()522        .withAddedLinesAboveTest("import foo from 'bar'", '')523        .act();524      // Assert525      expect(actualDiff[0].status).eq(MutantStatus.Killed);526    });527    it('should identify that mutant state can be reused with changes before', () => {528      const actualDiff = new ScenarioBuilder()529        .withMathProjectExample()530        .withTestFile()531        .withLocatedTest()532        .withAddedTextBeforeTest('/*text-added*/')533        .act();534      expect(actualDiff[0].status).eq(MutantStatus.Killed);535    });536    it('should identify that mutant state can be reused with changes below', () => {537      const actualDiff = new ScenarioBuilder()538        .withMathProjectExample()539        .withTestFile()540        .withLocatedTest({ includeEnd: true })541        .withSecondTest({ located: true })542        .act();543      expect(actualDiff[0].status).eq(MutantStatus.Killed);544    });545    it('should identify that mutant state can be reused with changes behind', () => {546      const actualDiff = new ScenarioBuilder()547        .withMathProjectExample()548        .withTestFile()549        .withLocatedTest({ includeEnd: true })550        .withAddedTextAfterTest('/*text-added*/')551        .act();552      expect(actualDiff[0].status).eq(MutantStatus.Killed);553    });554    it('should not reuse a mutant state when a covering test gets code added', () => {555      const actualDiff = new ScenarioBuilder()556        .withMathProjectExample()557        .withTestFile()558        .withLocatedTest({ includeEnd: true })559        .withAddedCodeInsideTheTest('addedText();')560        .act();561      expect(actualDiff[0].status).undefined;562    });563    it('should close locations of tests in the incremental report', () => {564      // All test runners currently only report the start positions of tests.565      // Add a workaround for 'inventing' the end position based on the next test's start position.566      const actualDiff = new ScenarioBuilder()567        .withMathProjectExample()568        .withTestFile()569        .withLocatedTest({ includeEnd: true })570        .withSecondTest({ located: true })571        .withSecondTestInIncrementalReport()572        .act();573      expect(actualDiff[0].status).eq(MutantStatus.Killed);574    });575    it('should close locations for tests on the same location in the incremental report', () => {576      // Test cases can generate tests, make sure the correct end position is chosen in those cases577      const actualDiff = new ScenarioBuilder().withMathProjectExample().withUpdatedTestGeneration().withTestGenerationIncrementalReport().act();578      expect(actualDiff[0].status).eq(MutantStatus.Killed);579    });580    it('should identify that a non-"Killed" state can be reused when a test is removed', () => {581      const actualDiff = new ScenarioBuilder()582        .withMathProjectExample({ mutantState: MutantStatus.Survived })583        .withSecondTestInIncrementalReport()584        .act();585      expect(actualDiff[0].status).eq(MutantStatus.Survived);586    });587    it('should identify that a non-"Killed" state cannot be reused when a test is added', () => {588      const actualDiff = new ScenarioBuilder()589        .withMathProjectExample({ mutantState: MutantStatus.Survived })590        .withSecondTest({ located: false })591        .act();...

Using AI Code Generation

1const { Stryker } = require('stryker-parent');2const strykerConfig = {3    dashboard: {4    }5};6async function run() {7    await new Stryker().runMutationTest(strykerConfig);8}9run();

Using AI Code Generation

1const { withTestGenerationIncrementalReport } = require('stryker-parent');2const { run } = require('jest');3withTestGenerationIncrementalReport(() => {4  run();5})6{7  "scripts": {8  }9}10{11  "commandRunner": {12  }13}

Using AI Code Generation

1const { sum } = require('./sum');2module.exports = {3  sum: (a, b) => {4    return sum(a, b);5  },6};7module.exports = {8  sum: (a, b) => {9    return a + b;10  },11};12module.exports = function(config) {13  config.set({14    mochaOptions: {15    },16  });17};18{19  "scripts": {20  },21  "dependencies": {22  },23  "devDependencies": {24  }25}

Using AI Code Generation

1const { withTestGenerationIncrementalReport } = require('stryker-parent');2const test = () => {3  const test = () => {4    return true;5  };6  return test();7};8withTestGenerationIncrementalReport(test);

Using AI Code Generation

1const fs = require('fs');2const path = require('path');3const incrementalReportPath = path.resolve(__dirname, 'incremental-report.json');4let incrementalReport = {5    files: {}6};7if (fs.existsSync(incrementalReportPath)) {8    incrementalReport = JSON.parse(fs.readFileSync(incrementalReportPath, 'utf8'));9}10const testFile = path.relative(process.cwd(), __filename);11const testFileContent = fs.readFileSync(testFile, 'utf8');12const mutantRegex = /\/\/Stryker\((\d+)\)\s*\/\/(\S+)\s*\/\/(.*)/g;13let match;14while ((match = mutantRegex.exec(testFileContent)) !== null) {15    const mutantId = match[1];16    const status = match[2];17    const code = match[3];18    const mutant = {19    };20    if (!incrementalReport.files[testFile]) {21        incrementalReport.files[testFile] = {};22    }23    incrementalReport.files[testFile][mutantId] = mutant;24}25fs.writeFileSync(incrementalReportPath, JSON.stringify(incrementalReport, null, 2));26require('test.js')27require('test.js')28require('test.js')29require('test.js')

Using AI Code Generation

1const fs = require('fs');2const path = require('path');3const glob = require('glob');4const strykerDir = path.resolve(__dirname, '..');5const mochaOptions = path.resolve(strykerDir, 'stryker-mocha-runner', 'src', 'MochaOptions.js');6const testFile = path.resolve(strykerDir, 'test', 'helpers', 'testFile.js');7const testFile2 = path.resolve(strykerDir, 'test', 'helpers', 'testFile2.js');8const testFile3 = path.resolve(strykerDir, 'test', 'helpers', 'testFile3.js');9const testFile4 = path.resolve(strykerDir, 'test', 'helpers', 'testFile4.js');10const testFile5 = path.resolve(strykerDir, 'test', 'helpers', 'testFile5.js');11const testFile6 = path.resolve(strykerDir, 'test', 'helpers', 'testFile6.js');12const testFile7 = path.resolve(strykerDir, 'test', 'helpers', 'testFile7.js');13const testFile8 = path.resolve(strykerDir, 'test', 'helpers', 'testFile8.js');14const testFile9 = path.resolve(strykerDir, 'test', 'helpers', 'testFile9.js');15const testFile10 = path.resolve(strykerDir, 'test', 'helpers', 'testFile10.js');16const testFile11 = path.resolve(strykerDir, 'test', 'helpers', 'testFile11.js');17const testFile12 = path.resolve(strykerDir, 'test', 'helpers', 'testFile12.js');18const testFile13 = path.resolve(strykerDir, 'test', 'helpers', 'testFile13.js');19const testFile14 = path.resolve(strykerDir, 'test', 'helpers', 'testFile14.js');20const testFile15 = path.resolve(strykerDir, 'test', 'helpers', 'testFile15.js');

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