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How to use withAddedTextBeforeTest method in stryker-parent

Best JavaScript code snippet using stryker-parent

incremental-differ.spec.ts

Source:incremental-differ.spec.ts

...174    );175    this.mutants[0].location = loc(1, 11 + text.length, 1, 12 + text.length);176    return this;177  }178  public withAddedTextBeforeTest(text: string): this {179    this.currentFiles.set(180      testAdd,181      testAddContent182        .split('\n')183        .map((line, nr) => (nr === 4 ? `${text}${line}` : line))184        .join('\n')185    );186    for (const test of this.testCoverage.forMutant(this.mutantId)!) {187      if (test.startPosition) {188        test.startPosition = pos(4, 2 + text.length);189      }190    }191    return this;192  }193  public withAddedCodeInsideTheTest(code: string): this {194    this.currentFiles.set(195      testAdd,196      testAddContent197        .split('\n')198        .map((line, nr) => (nr === 5 ? `  ${code}\n${line}` : line))199        .join('\n')200    );201    for (const test of this.testCoverage.forMutant(this.mutantId)!) {202      if (test.startPosition) {203        test.startPosition = pos(4, 2);204      }205    }206    return this;207  }208  public withSecondTest({ located }: { located: boolean }): this {209    this.currentFiles.set(testAdd, testAddContentTwoTests);210    const secondTest = factory.testResult({ id: 'spec2', fileName: testAdd, name: 'add(45, -3) = 42' });211    if (located) {212      secondTest.startPosition = pos(7, 2);213    }214    this.testCoverage.addTest(secondTest);215    this.testCoverage.addCoverage(this.mutantId, [secondTest.id]);216    return this;217  }218  public withSecondTestInIncrementalReport({ isKillingTest = false } = {}): this {219    this.incrementalTestFiles[testAdd].tests.unshift(220      factory.mutationTestReportSchemaTestDefinition({ id: 'spec2', name: 'add(45, -3) = 42', location: loc(7, 0) })221    );222    if (isKillingTest) {223      this.incrementalFiles[srcAdd].mutants[0].killedBy = ['spec2'];224    }225    if (this.incrementalTestFiles[testAdd].source) {226      this.incrementalTestFiles[testAdd].source = testAddContentTwoTests;227    }228    return this;229  }230  public withUpdatedTestGeneration(): this {231    this.currentFiles.set(testAdd, testAddContentWithTestGenerationUpdated);232    const createAddWithTestGenerationTestResult = (a: number, b: number, answer: number) =>233      factory.testResult({ id: `spec${a}`, fileName: testAdd, name: `should result in ${answer} for ${a} and ${b}`, startPosition: pos(5, 4) });234    this.testCoverage.clear();235    this.testCoverage.addTest(factory.testResult({ id: 'new-spec-2', fileName: testAdd, name: 'should have name "add"', startPosition: pos(9, 2) }));236    const gen1 = createAddWithTestGenerationTestResult(40, 2, 42);237    const gen2 = createAddWithTestGenerationTestResult(45, -3, 42);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()...

Using AI Code Generation

1var stryker = require('stryker-parent');2var assert = require('assert');3describe('String#indexOf()', function() {4  it('should return -1 when the value is not present', function() {5    assert.equal(-1, 'Hello World'.indexOf('Goodbye'));6  });7});

Using AI Code Generation

1const strykerParent = require('stryker-parent');2const strykerParentWithAddedTextBeforeTest = strykerParent.withAddedTextBeforeTest;3module.exports = function(config) {4  config.set({5    mochaOptions: {6    }7  });8};9const strykerParent = require('stryker-parent');10const strykerParentWithAddedTextBeforeTest = strykerParent.withAddedTextBeforeTest;11module.exports = function(config) {12  config.set({13    mochaOptions: {14    }15  });16};17const strykerParent = require('stryker-parent');18const strykerParentWithAddedTextBeforeTest = strykerParent.withAddedTextBeforeTest;19module.exports = function(config) {20  config.set({

Using AI Code Generation

1const test = require('stryker-parent');2console.log(test.withAddedTextBeforeTest('test'));3const test = require('stryker-child');4console.log(test.withAddedTextBeforeTest('test'));5const test = require('stryker-grandchild');6console.log(test.withAddedTextBeforeTest('test'));7module.exports.withAddedTextBeforeTest = function (text) {8    return `parent-${text}`;9};10const parent = require('stryker-parent');11module.exports.withAddedTextBeforeTest = function (text) {12    return parent.withAddedTextBeforeTest(`child-${text}`);13};14const child = require('stryker-child');15module.exports.withAddedTextBeforeTest = function (text) {16    return child.withAddedTextBeforeTest(`grandchild-${text}`);17};18module.exports = function(config) {19    config.set({20        commandRunner: {21        },22    });23};24ℹ Stryker 3.0.0 (beta) started25ℹ 3 Mutant(s) generated26ℹ 3 Mutant(s) tested (0 survived, 3 timed out)

Using AI Code Generation

1var strykerParent = require('stryker-parent');2console.log(strykerParent.withAddedTextBeforeTest('test'));3var strykerChild = require('stryker-child');4console.log(strykerChild.withAddedTextBeforeTest('test'));5var strykerGrandChild = require('stryker-grandchild');6console.log(strykerGrandChild.withAddedTextBeforeTest('test'));7var strykerGreatGrandChild = require('stryker-great-grandchild');8console.log(strykerGreatGrandChild.withAddedTextBeforeTest('test'));9var strykerGreatGreatGrandChild = require('stryker-great-great-grandchild');10console.log(strykerGreatGreatGrandChild.withAddedTextBeforeTest('test'));11var strykerGreatGreatGreatGrandChild = require('stryker-great-great-great-grandchild');12console.log(strykerGreatGreatGreatGrandChild.withAddedTextBeforeTest('test'));13var strykerGreatGreatGreatGreatGrandChild = require('stryker-great-great-great-great-grandchild');14console.log(strykerGreatGreatGreatGreatGrandChild.withAddedTextBeforeTest('test'));15var strykerGreatGreatGreatGreatGreatGrandChild = require('stryker-great-great-great-great-great-grandchild');

Using AI Code Generation

1const strykerParent = require('stryker-parent');2describe('stryker-parent', () => {3  it('should return the expected text', () => {4    expect(strykerParent.withAddedTextBeforeTest()).to.equal('This is the text before the test.');5  });6});7module.exports = {8  withAddedTextBeforeTest: function() {9    return 'This is the text before the test.';10  }11};12module.exports = function(config) {13  config.set({14    mochaOptions: {15    }16  });17};18return 'This is the text before the test.';

Using AI Code Generation

1const { withAddedTextBeforeTest } = require('stryker-parent');2describe('withAddedTextBeforeTest', () => {3  it('should add text before test', () => {4    const text = 'Hello';5    const expected = 'Hello World';6    const actual = withAddedTextBeforeTest(text);7    expect(actual).toBe(expected);8  });9});10module.exports = function (config) {11  config.set({12    mochaOptions: {13    },14  });15};16function withAddedTextBeforeTest(text) {17  return text + ' World';18}19module.exports = {20};21{22  "scripts": {23  },24  "devDependencies": {25  }26}

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