KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use withAddedLinesAboveTest method in stryker-parent

Best JavaScript code snippet using stryker-parent

incremental-differ.spec.ts

Source:incremental-differ.spec.ts

...135    }136    [...this.testCoverage.forMutant(this.mutantId)!][0].startPosition = pos(4, 2);137    return this;138  }139  public withAddedLinesAboveTest(...lines: string[]): this {140    this.currentFiles.set(testAdd, `${lines.join('\n')}\n${testAddContent}`);141    for (const test of this.testCoverage.forMutant(this.mutantId)!) {142      if (test.startPosition) {143        test.startPosition = pos(4 + lines.length, 2);144      }145    }146    return this;147  }148  public withAddedLinesAboveMutant(...lines: string[]): this {149    this.currentFiles.set(srcAdd, `${lines.join('\n')}\n${srcAddContent}`);150    this.mutants[0].location = loc(1 + lines.length, 11, 1 + lines.length, 12);151    return this;152  }153  public withCrlfLineEndingsInIncrementalReport(): this {154    Object.values(this.incrementalFiles).forEach((file) => {155      file.source = file.source.replace(/\n/g, '\r\n');156    });157    Object.values(this.incrementalTestFiles).forEach((file) => {158      file.source = file.source?.replace(/\n/g, '\r\n');159    });160    return this;161  }162  public withRemovedLinesAboveMutant(...lines: string[]): this {163    this.incrementalFiles[srcAdd].source = `${lines.join('\n')}\n${srcAddContent}`;164    this.incrementalFiles[srcAdd].mutants[0].location = loc(1 + lines.length, 11, 1 + lines.length, 12);165    return this;166  }167  public withAddedTextBeforeMutant(text: string): this {168    this.currentFiles.set(169      srcAdd,170      srcAddContent171        .split('\n')172        .map((line, nr) => (nr === 1 ? `${text}${line}` : line))173        .join('\n')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', () => {...

Using AI Code Generation

1const assert = require('assert');2describe('Array', function() {3  describe('#indexOf()', function() {4    it('should return -1 when the value is not present', function() {5      assert.equal([1,2,3].indexOf(4), -1);6    });7  });8});9module.exports = function(config) {10  config.set({11    mochaOptions: {12    },13  });14};1514:26:01 (1482) INFO SandboxPool Creating 1 test runners (based on CPU count)1614:26:01 (1482) INFO MochaTestRunner Starting Mocha test run1714:26:01 (1482) INFO SandboxPool Creating 1 test runners (based on CPU count)1814:26:01 (1482) INFO MochaTestRunner Starting Mocha test run

Using AI Code Generation

1const { addLinesAbove } = require('stryker-parent');2const assert = require('assert');3describe('stryker-parent', () => {4    it('should add lines above', () => {5        const result = addLinesAbove('foo', 3);6        assert.equal(result, 'foo');7    });8});9function addLinesAbove (code, numberOfLines) {10    return code;11}12const { addLinesAbove } = require('stryker-parent');13const assert = require('assert');14describe('stryker-parent', () => {15    it('should add lines above', () => {16        const result = addLinesAbove('foo', 3);17        assert.equal(result, 'foo');18    });19});20const { addLinesAbove } = require('stryker-parent');21const assert = require('assert');22describe('stryker-parent', () => {23    it('should add lines above', () => {24        const result = addLinesAbove('foo', 3);25        assert.equal(result, 'foo');26    });27});28function addLinesAbove (code, numberOfLines) {29    return code;30}31function addLinesAbove (code, numberOfLines) {32    return code;33}34function addLinesAbove (code, numberOfLines) {35    return code;36}37function addLinesAbove (code, numberOfLines) {38    return code;39}40function addLinesAbove (code, numberOfLines)

Using AI Code Generation

1var str = "Hello world";2var str2 = "Hello world";3console.log(str + str2);4var str = "Hello world";5var str2 = "Hello world";6console.log(str + str2);7var str = "Hello world";8var str2 = "Hello world";9console.log(str + str2);10var str = "Hello world";11var str2 = "Hello world";12console.log(str + str2);13var str = "Hello world";14var str2 = "Hello world";15console.log(str + str2);16var str = "Hello world";17var str2 = "Hello world";18console.log(str + str2);19var str = "Hello world";20var str2 = "Hello world";21console.log(str + str2);22var str = "Hello world";23var str2 = "Hello world";24console.log(str + str2);25var str = "Hello world";26var str2 = "Hello world";27console.log(str + str2);28var str = "Hello world";29var str2 = "Hello world";30console.log(str + str2);31var str = "Hello world";32var str2 = "Hello world";33console.log(str + str2);

Using AI Code Generation

1var strykerParent = require('stryker-parent');2var fs = require('fs');3var testFile = fs.readFileSync('test.js', 'utf8');4var addedLines = strykerParent.addedLinesAboveTest(testFile, 2);5console.log(addedLines);6var strykerParent = require('stryker-parent');7var fs = require('fs');8var testFile = fs.readFileSync('test.js', 'utf8');9var addedLines = strykerParent.addedLinesAboveTest(testFile, 2);10console.log(addedLines);11var strykerParent = require('stryker-parent');12var fs = require('fs');13var testFile = fs.readFileSync('test.js', 'utf8');14var addedLines = strykerParent.addedLinesAboveTest(testFile, 2);15console.log(addedLines);16var strykerParent = require('stryker-parent');17var fs = require('fs');18var testFile = fs.readFileSync('test.js', 'utf8');19var addedLines = strykerParent.addedLinesAboveTest(testFile, 2);20console.log(addedLines);21var strykerParent = require('stryker-parent');22var fs = require('fs');23var testFile = fs.readFileSync('test.js', 'utf8');24var addedLines = strykerParent.addedLinesAboveTest(testFile, 2);25console.log(addedLines);

Using AI Code Generation

1const { StrykerOptions, ConfigReader } = require("stryker");2const { Config, ConfigEditor } = require("stryker-api/config");3const config = new ConfigReader().readConfig(4  new StrykerOptions({5  })6);7const configEditor = new ConfigEditor(config);8const newConfig = configEditor.edit(config);9console.log(newConfig.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.