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How to use inputMutants method in stryker-parent

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mutation-test-report-helper.spec.ts

Source:mutation-test-report-helper.spec.ts

1import sinon from 'sinon';2import { File, Location, MutantResult, MutantStatus, schema } from '@stryker-mutator/api/core';3import { Reporter } from '@stryker-mutator/api/report';4import { factory, testInjector } from '@stryker-mutator/test-helpers';5import * as strykerUtil from '@stryker-mutator/util';6import { expect } from 'chai';7import { CompleteDryRunResult } from '@stryker-mutator/api/test-runner';8import { CheckStatus } from '@stryker-mutator/api/check';9import { calculateMutationTestMetrics } from 'mutation-testing-metrics';10import { coreTokens } from '../../../src/di';11import { InputFileCollection } from '../../../src/input';12import { MutationTestReportHelper } from '../../../src/reporters/mutation-test-report-helper';13import * as objectUtils from '../../../src/utils/object-utils';14describe(MutationTestReportHelper.name, () => {15  let reporterMock: sinon.SinonStubbedInstance<Required<Reporter>>;16  let inputFiles: InputFileCollection;17  let files: File[];18  let setExitCodeStub: sinon.SinonStub;19  let dryRunResult: CompleteDryRunResult;20  let requireResolveStub: sinon.SinonStub<Parameters<typeof strykerUtil.requireResolve>, ReturnType<typeof strykerUtil.requireResolve>>;21  beforeEach(() => {22    requireResolveStub = sinon.stub(strykerUtil, 'requireResolve');23    reporterMock = factory.reporter();24    setExitCodeStub = sinon.stub(objectUtils, 'setExitCode');25    files = [];26    inputFiles = {27      files,28      filesToMutate: [],29      // eslint-disable-next-line @typescript-eslint/no-empty-function30      logFiles: () => {},31      mutationRanges: [],32    };33    dryRunResult = factory.completeDryRunResult();34  });35  function createSut() {36    return testInjector.injector37      .provideValue(coreTokens.reporter, reporterMock)38      .provideValue(coreTokens.inputFiles, inputFiles)39      .provideValue(coreTokens.dryRunResult, dryRunResult)40      .injectClass(MutationTestReportHelper);41  }42  describe(MutationTestReportHelper.prototype.reportAll.name, () => {43    let sut: MutationTestReportHelper;44    beforeEach(() => {45      sut = createSut();46    });47    it('should report "mutationTestReportReady"', () => {48      sut.reportAll([]);49      expect(reporterMock.onMutationTestReportReady).calledOnce;50    });51    it('should report "onAllMutantsTested"', () => {52      sut.reportAll([]);53      expect(reporterMock.onAllMutantsTested).calledOnce;54    });55    it('should report "onAllMutantsTested" before mutationTestReportReady', () => {56      sut.reportAll([]);57      expect(reporterMock.onAllMutantsTested).calledBefore(reporterMock.onMutationTestReportReady);58    });59    it('should copy thresholds', () => {60      const [actualReport] = actReportAll();61      expect(actualReport.thresholds).eq(testInjector.options.thresholds);62    });63    it('should set correct schema version', () => {64      const [actualReport] = actReportAll();65      expect(actualReport.schemaVersion).eq('1.0');66    });67    it('should add the project root', () => {68      const [actualReport] = actReportAll([]);69      expect(actualReport.projectRoot).eq(process.cwd());70    });71    describe('config', () => {72      it('should report config', () => {73        const [actualReport] = actReportAll([]);74        expect(actualReport.config).eq(testInjector.options);75      });76    });77    describe('framework', () => {78      it('should report "name", "version" and "branding"', () => {79        const expected: Pick<schema.FrameworkInformation, 'branding' | 'name' | 'version'> = {80          name: 'StrykerJS',81          // eslint-disable-next-line @typescript-eslint/no-require-imports82          version: require('../../../../package.json').version,83          branding: {84            homepageUrl: 'https://stryker-mutator.io',85            imageUrl:86              "data:image/svg+xml;utf8,%3Csvg viewBox='0 0 1458 1458' xmlns='http://www.w3.org/2000/svg' fill-rule='evenodd' clip-rule='evenodd' stroke-linejoin='round' stroke-miterlimit='2'%3E%3Cpath fill='none' d='M0 0h1458v1458H0z'/%3E%3CclipPath id='a'%3E%3Cpath d='M0 0h1458v1458H0z'/%3E%3C/clipPath%3E%3Cg clip-path='url(%23a)'%3E%3Cpath d='M1458 729c0 402.655-326.345 729-729 729S0 1131.655 0 729C0 326.445 326.345 0 729 0s729 326.345 729 729' fill='%23e74c3c' fill-rule='nonzero'/%3E%3Cpath d='M778.349 1456.15L576.6 1254.401l233-105 85-78.668v-64.332l-257-257-44-187-50-208 251.806-82.793L1076.6 389.401l380.14 379.15c-19.681 367.728-311.914 663.049-678.391 687.599z' fill-opacity='.3'/%3E%3Cpath d='M753.4 329.503c41.79 0 74.579 7.83 97.925 25.444 23.571 18.015 41.69 43.956 55.167 77.097l11.662 28.679 165.733-58.183-14.137-32.13c-26.688-60.655-64.896-108.61-114.191-144.011-49.329-35.423-117.458-54.302-204.859-54.302-50.78 0-95.646 7.376-134.767 21.542-40.093 14.671-74.09 34.79-102.239 60.259-28.84 26.207-50.646 57.06-65.496 92.701-14.718 35.052-22.101 72.538-22.101 112.401 0 72.536 20.667 133.294 61.165 182.704 38.624 47.255 98.346 88.037 179.861 121.291 42.257 17.475 78.715 33.125 109.227 46.994 27.193 12.361 49.294 26.124 66.157 41.751 15.309 14.186 26.497 30.584 33.63 49.258 7.721 20.214 11.16 45.69 11.16 76.402 0 28.021-4.251 51.787-13.591 71.219-8.832 18.374-20.171 33.178-34.523 44.219-14.787 11.374-31.193 19.591-49.393 24.466-19.68 5.359-39.14 7.993-58.69 7.993-29.359 0-54.387-3.407-75.182-10.747-20.112-7.013-37.144-16.144-51.259-27.486-13.618-11.009-24.971-23.766-33.744-38.279-9.64-15.8-17.272-31.924-23.032-48.408l-10.965-31.376-161.669 60.585 10.734 30.124c10.191 28.601 24.197 56.228 42.059 82.748 18.208 27.144 41.322 51.369 69.525 72.745 27.695 21.075 60.904 38.218 99.481 51.041 37.777 12.664 82.004 19.159 132.552 19.159 49.998 0 95.818-8.321 137.611-24.622 42.228-16.471 78.436-38.992 108.835-67.291 30.719-28.597 54.631-62.103 71.834-100.642 17.263-38.56 25.923-79.392 25.923-122.248 0-54.339-8.368-100.37-24.208-138.32-16.29-38.759-38.252-71.661-65.948-98.797-26.965-26.418-58.269-48.835-93.858-67.175-33.655-17.241-69.196-33.11-106.593-47.533-35.934-13.429-65.822-26.601-89.948-39.525-22.153-11.868-40.009-24.21-53.547-37.309-11.429-11.13-19.83-23.678-24.718-37.664-5.413-15.49-7.98-33.423-7.98-53.577 0-40.883 11.293-71.522 37.086-90.539 28.443-20.825 64.985-30.658 109.311-30.658z' fill='%23f1c40f' fill-rule='nonzero'/%3E%3Cpath d='M720 0h18v113h-18zM1458 738v-18h-113v18h113zM720 1345h18v113h-18zM113 738v-18H0v18h113z'/%3E%3C/g%3E%3C/svg%3E",87          },88        };89        const [actualReport] = actReportAll([]);90        expect(actualReport.framework).deep.include(expected);91      });92      it('should report "dependencies"', () => {93        // Arrange94        const expectedDependencies: schema.Dependencies = {95          '@stryker-mutator/mocha-runner': '1.0.1',96          '@stryker-mutator/karma-runner': '1.0.2',97          '@stryker-mutator/jasmine-runner': '1.0.3',98          '@stryker-mutator/jest-runner': '1.0.4',99          '@stryker-mutator/typescript-checker': '1.0.5',100          karma: '1.0.6',101          'karma-chai': '1.0.7',102          'karma-chrome-launcher': '1.0.8',103          'karma-jasmine': '1.0.9',104          'karma-mocha': '1.0.10',105          mocha: '1.0.11',106          jasmine: '1.0.12',107          'jasmine-core': '1.0.13',108          jest: '1.0.14',109          'react-scripts': '1.0.15',110          typescript: '1.0.16',111          '@angular/cli': '1.0.17',112          webpack: '1.0.18',113          'webpack-cli': '1.0.19',114          'ts-jest': '1.0.20',115        };116        Object.entries(expectedDependencies).forEach(([dep, version]) => requireResolveStub.withArgs(`${dep}/package.json`).returns({ version }));117        // Act118        const [actualReport] = actReportAll([]);119        // Assert120        expect(actualReport.framework?.dependencies).deep.eq(expectedDependencies);121      });122      it('should ignore dependencies that could not be found', () => {123        // Arrange124        requireResolveStub.withArgs('karma/package.json').returns({ version: '2.3.4' });125        requireResolveStub.withArgs('typescript/package.json').throws(new Error('[MODULE_NOT_FOUND]: Cannot find module "typescript"'));126        // Act127        const [actualReport] = actReportAll([]);128        // Assert129        expect(actualReport.framework?.dependencies).deep.eq({ karma: '2.3.4' });130      });131    });132    describe('system under test', () => {133      it('should correctly map system under test file properties', () => {134        // Arrange135        files.push(new File('foo.js', 'foo content'));136        files.push(new File('bar.html', 'bar content'));137        files.push(new File('baz.vue', 'baz content'));138        files.push(new File('qux.ts', 'qux content'));139        files.push(new File('corge.tsx', 'corge content'));140        const inputMutants = files.map((file) => factory.killedMutantResult({ fileName: file.name }));141        // Act142        const [actualReport] = actReportAll(inputMutants);143        // Assert144        expect(Object.keys(actualReport.files)).lengthOf(5);145        expect(actualReport.files['foo.js']).include({ language: 'javascript', source: 'foo content' });146        expect(actualReport.files['bar.html']).include({ language: 'html', source: 'bar content' });147        expect(actualReport.files['baz.vue']).include({ language: 'html', source: 'baz content' });148        expect(actualReport.files['qux.ts']).include({ language: 'typescript', source: 'qux content' });149        expect(actualReport.files['corge.tsx']).include({ language: 'typescript', source: 'corge content' });150      });151      it('should correctly map basic MutantResult properties', () => {152        // Arrange153        const killedMutantResult: MutantResult = {154          id: '1',155          mutatorName: 'Foo',156          replacement: 'foo replacement',157          fileName: 'foo.js',158          description: 'this is mutant foo',159          duration: 42,160          location: factory.location(),161          static: true,162          statusReason: 'smacked on the head',163          testsCompleted: 32,164          status: MutantStatus.Killed,165        };166        const inputMutants = [167          killedMutantResult,168          factory.mutantResult({169            fileName: 'bar.js',170            status: MutantStatus.NoCoverage,171          }),172          factory.mutantResult({173            fileName: 'baz.js',174            status: MutantStatus.RuntimeError,175          }),176          factory.mutantResult({177            fileName: 'qux.js',178            status: MutantStatus.Survived,179          }),180          factory.mutantResult({181            fileName: '5.js',182            status: MutantStatus.Timeout,183          }),184          factory.mutantResult({185            fileName: '6.js',186            status: MutantStatus.CompileError,187          }),188        ];189        files.push(...inputMutants.map((m) => new File(m.fileName, '')));190        // Act191        const [actualReport] = actReportAll(inputMutants);192        // Assert193        const expectedKilledMutant: Partial<schema.MutantResult> = {194          id: '1',195          mutatorName: 'Foo',196          replacement: 'foo replacement',197          description: 'this is mutant foo',198          duration: 42,199          static: true,200          statusReason: 'smacked on the head',201          testsCompleted: 32,202          status: MutantStatus.Killed,203        };204        expect(Object.keys(actualReport.files)).lengthOf(6);205        expect(actualReport.files['foo.js'].mutants[0]).include(expectedKilledMutant);206        expect(actualReport.files['bar.js'].mutants[0]).include({ status: MutantStatus.NoCoverage });207        expect(actualReport.files['baz.js'].mutants[0]).include({ status: MutantStatus.RuntimeError });208        expect(actualReport.files['qux.js'].mutants[0]).include({ status: MutantStatus.Survived });209        expect(actualReport.files['5.js'].mutants[0]).include({ status: MutantStatus.Timeout });210        expect(actualReport.files['6.js'].mutants[0]).include({ status: MutantStatus.CompileError });211      });212      it('should offset location correctly', () => {213        const inputMutants = [factory.mutantResult({ location: { end: { line: 3, column: 4 }, start: { line: 1, column: 2 } } })];214        files.push(...inputMutants.map((m) => new File(m.fileName, '')));215        const [actualReport] = actReportAll(inputMutants);216        expect(actualReport.files['file.js'].mutants[0].location).deep.eq({ end: { line: 4, column: 5 }, start: { line: 2, column: 3 } });217      });218      it('should group mutants by file name', () => {219        // Arrange220        const inputMutants = [221          factory.mutantResult({222            mutatorName: 'Foo',223            fileName: 'foo.js',224          }),225          factory.mutantResult({226            mutatorName: 'Bar',227            fileName: 'foo.js',228          }),229        ];230        files.push(new File('foo.js', ''));231        // Act232        const [actualReport] = actReportAll(inputMutants);233        // Assert234        expect(Object.keys(actualReport.files)).lengthOf(1);235        expect(actualReport.files['foo.js'].mutants).lengthOf(2);236      });237      it('should log a warning if source file could not be found', () => {238        const inputMutants = [factory.killedMutantResult({ fileName: 'not-found.js' })];239        const [actualReport] = actReportAll(inputMutants);240        expect(actualReport.files['not-found.js'].mutants).lengthOf(1);241        expect(testInjector.logger.warn).calledWithMatch('File "not-found.js" not found');242      });243    });244    describe('tests', () => {245      it('should correctly provide test file properties', () => {246        // Arrange247        dryRunResult.tests.push(factory.testResult({ id: 'spec1', name: 'dog should not eat dog', fileName: 'foo.spec.js' }));248        files.push(new File('foo.js', 'foo content'), new File('foo.spec.js', 'it("dog should not eat dog")'), new File('baz.js', 'baz content'));249        // Act250        const [actualReport] = actReportAll();251        // Assert252        expect(actualReport.testFiles?.['foo.spec.js'].source).eq('it("dog should not eat dog")');253      });254      it('should report the tests in `testFiles`', () => {255        // Arrange256        dryRunResult.tests.push(257          factory.testResult({ id: 'spec1', name: 'dog should not eat dog' }),258          factory.testResult({ id: 'spec2', name: 'dog should chase its own tail', startPosition: { line: 5, column: 0 } })259        );260        // Act261        const [actualReport] = actReportAll([]);262        // Assert263        const expected: schema.TestFileDefinitionDictionary = {264          ['']: {265            tests: [266              { id: '0', name: 'dog should not eat dog', location: undefined },267              { id: '1', name: 'dog should chase its own tail', location: { start: { line: 6, column: 1 } } }, // mutation testing elements uses offset 1 for both line and column268            ],269          },270        };271        expect(actualReport.testFiles).deep.eq(expected);272      });273      it('should remap test ids if possible (for brevity, since mocha, jest and karma use test titles as test ids)', () => {274        // Arrange275        dryRunResult.tests.push(276          factory.testResult({ id: 'foo should bar', name: 'foo should bar' }),277          factory.testResult({ id: 'baz should qux', name: 'baz should qux' })278        );279        const killedMutantResult = factory.mutantResult({280          fileName: 'foo.js',281          killedBy: ['foo should bar'],282          coveredBy: ['foo should bar', 'baz should qux', 'not found'],283        });284        files.push(new File('foo.js', ''));285        // Act286        const [actualReport] = actReportAll([killedMutantResult]);287        // Assert288        const expectedTests: schema.TestDefinition[] = [289          { id: '0', name: 'foo should bar', location: undefined },290          { id: '1', name: 'baz should qux', location: undefined },291        ];292        const actualResultMutant = actualReport.files['foo.js'].mutants[0];293        expect(actualReport.testFiles?.[''].tests).deep.eq(expectedTests);294        expect(actualResultMutant.coveredBy).deep.eq(['0', '1', 'not found']);295        expect(actualResultMutant.killedBy).deep.eq(['0']);296      });297      it('should group test by test file name', () => {298        // Arrange299        dryRunResult.tests.push(300          factory.testResult({ fileName: 'foo.spec.js', name: '1' }),301          factory.testResult({ fileName: 'bar.spec.js', name: '2' }),302          factory.testResult({ fileName: 'foo.spec.js', name: '3' })303        );304        files.push(new File('foo.spec.js', ''), new File('bar.spec.js', ''));305        // Act306        const [actualReport] = actReportAll([]);307        // Assert308        expect(Object.keys(actualReport.testFiles!)).lengthOf(2);309        expect(actualReport.testFiles!['foo.spec.js'].tests).lengthOf(2);310        expect(actualReport.testFiles!['foo.spec.js'].tests[0].name).eq('1');311        expect(actualReport.testFiles!['foo.spec.js'].tests[1].name).eq('3');312        expect(actualReport.testFiles!['bar.spec.js'].tests[0].name).eq('2');313      });314      it('should log a warning the test file could not be found', () => {315        dryRunResult.tests.push(factory.testResult({ fileName: 'foo.spec.js' }));316        actReportAll([]);317        expect(testInjector.logger.warn).calledWithMatch('Test file "foo.spec.js" not found in input files');318      });319    });320    it('should provide the metrics as second argument', () => {321      // Arrange322      const inputMutants: MutantResult[] = [323        {324          mutatorName: 'Foo',325          fileName: 'foo.js',326          status: MutantStatus.Killed,327          location: { start: { line: 1, column: 2 }, end: { line: 4, column: 5 } },328          replacement: '+',329          id: '1',330        },331      ];332      files.push(new File('foo.js', ''));333      dryRunResult.tests.push(factory.testResult({ id: 'foo should bar', name: 'foo should bar' }));334      // Act335      const [actualReport, metrics] = actReportAll(inputMutants);336      // Assert337      expect(metrics).deep.eq(calculateMutationTestMetrics(actualReport));338    });339    describe('determineExitCode', () => {340      beforeEach(() => {341        files.push(new File('file.js', ''));342      });343      it('should not set exit code = 1 if `threshold.break` is not configured', () => {344        actReportAll([factory.mutantResult({ status: MutantStatus.Survived })]);345        expect(setExitCodeStub).not.called;346        expect(testInjector.logger.debug).calledWith(347          "No breaking threshold configured. Won't fail the build no matter how low your mutation score is. Set `thresholds.break` to change this behavior."348        );349      });350      it('should not set exit code = 1 if `threshold.break` === score', () => {351        testInjector.options.thresholds.break = 50;352        actReportAll([factory.mutantResult({ status: MutantStatus.Survived }), factory.mutantResult({ status: MutantStatus.Killed })]); // 50 %353        expect(setExitCodeStub).not.called;354        expect(testInjector.logger.info).calledWith('Final mutation score of 50.00 is greater than or equal to break threshold 50');355      });356      it('should set exit code = 1 if `threshold.break` > score', () => {357        testInjector.options.thresholds.break = 50.01;358        actReportAll([factory.mutantResult({ status: MutantStatus.Survived }), factory.mutantResult({ status: MutantStatus.Killed })]); // 50 %359        expect(setExitCodeStub).calledWith(1);360        expect(testInjector.logger.error).calledWith('Final mutation score 50.00 under breaking threshold 50.01, setting exit code to 1 (failure).');361        expect(testInjector.logger.info).calledWith('(improve mutation score or set `thresholds.break = null` to prevent this error in the future)');362      });363    });364    function actReportAll(input: MutantResult[] = []): Parameters<Required<Reporter>['onMutationTestReportReady']> {365      sut.reportAll(input);366      return reporterMock.onMutationTestReportReady.firstCall.args;367    }368  });369  describe('reportOne', () => {370    beforeEach(() => {371      inputFiles = new InputFileCollection([new File('add.js', 'function add(a, b) {\n  return a + b;\n}\n')], ['add.js'], []);372    });373    describe(MutationTestReportHelper.prototype.reportCheckFailed.name, () => {374      it('should map simple attributes to the mutant result', () => {375        // Arrange376        const sut = createSut();377        const location: Location = Object.freeze({ start: Object.freeze({ line: 1, column: 5 }), end: Object.freeze({ line: 3, column: 1 }) });378        // Act379        const actual = sut.reportCheckFailed(380          factory.mutant({381            id: '32',382            fileName: 'add.js',383            location,384            replacement: '{}',385            mutatorName: 'fooMutator',386          }),387          factory.failedCheckResult()388        );389        // Assert390        const expected: Partial<MutantResult> = {391          id: '32',392          location,393          mutatorName: 'fooMutator',394          fileName: 'add.js',395          replacement: '{}',396        };397        expect(actual).include(expected);398      });399      it('should report statusReason', () => {400        // Arrange401        const sut = createSut();402        // Act403        const actual = sut.reportCheckFailed(404          factory.mutant({ fileName: 'add.js' }),405          factory.failedCheckResult({ status: CheckStatus.CompileError, reason: 'cannot call foo of undefined' })406        );407        // Assert408        const expected: Partial<MutantResult> = {409          status: MutantStatus.CompileError,410          statusReason: 'cannot call foo of undefined',411        };412        expect(actual).include(expected);413      });414    });415    describe(MutationTestReportHelper.prototype.reportMutantStatus.name, () => {416      it('should correctly map all properties', () => {417        // Arrange418        const input = factory.mutantTestCoverage({419          fileName: 'add.js',420          id: '3',421          location: factory.location(),422          mutatorName: 'fooMutator',423          replacement: '"bar"',424          coveredBy: ['1'],425          static: false,426        });427        const sut = createSut();428        // Act429        const actual = sut.reportMutantStatus(input, MutantStatus.NoCoverage);430        // Assert431        const expected: MutantResult = {432          status: MutantStatus.NoCoverage,433          fileName: 'add.js',434          id: '3',435          location: factory.location(),436          mutatorName: 'fooMutator',437          replacement: '"bar"',438          coveredBy: ['1'],439          static: false,440        };441        expect(actual).deep.include(expected);442      });443    });444    describe(MutationTestReportHelper.prototype.reportMutantRunResult.name, () => {445      it('should report a killed mutant when called with a KilledMutantRunResult', () => {446        // Arrange447        dryRunResult.tests.push(factory.failedTestResult({ id: '1', name: 'foo should be bar' }));448        const sut = createSut();449        // Act450        const actual = sut.reportMutantRunResult(451          factory.mutantTestCoverage({ fileName: 'add.js' }),452          factory.killedMutantRunResult({ killedBy: '1', nrOfTests: 42, failureMessage: 'foo should have been bar at line 1' })453        );454        // Assert455        const expected: Partial<MutantResult> = {456          status: MutantStatus.Killed,457          killedBy: ['1'],458          testsCompleted: 42,459          statusReason: 'foo should have been bar at line 1',460        };461        expect(actual).deep.include(expected);462      });463      it('should report a killed mutant when called with a KilledMutantRunResult with KilledBy as array', () => {464        // Arrange465        dryRunResult.tests.push(factory.failedTestResult({ id: '1', name: 'foo should be bar' }));466        const sut = createSut();467        // Act468        const actual = sut.reportMutantRunResult(469          factory.mutantTestCoverage({ fileName: 'add.js' }),470          factory.killedMutantRunResult({ killedBy: ['1', '2'], nrOfTests: 42, failureMessage: 'foo should have been bar at line 1' })471        );472        // Assert473        const expected: Partial<MutantResult> = {474          status: MutantStatus.Killed,475          killedBy: ['1', '2'],476          testsCompleted: 42,477          statusReason: 'foo should have been bar at line 1',478        };479        expect(actual).deep.include(expected);480      });481      it('should report a runtime error when called with an ErrorMutantRunResult', () => {482        // Arrange483        const sut = createSut();484        // Act485        const actual = sut.reportMutantRunResult(486          factory.mutantTestCoverage({ fileName: 'add.js' }),487          factory.errorMutantRunResult({ errorMessage: 'Cannot call foo of null' })488        );489        // Assert490        const expected: Partial<MutantResult> = {491          status: MutantStatus.RuntimeError,492          statusReason: 'Cannot call foo of null',493        };494        expect(actual).deep.include(expected);495      });496      it('should report a timeout mutant when called with a TimeoutMutantRunResult', () => {497        // Arrange498        const sut = createSut();499        // Act500        const actual = sut.reportMutantRunResult(factory.mutantTestCoverage({ fileName: 'add.js' }), factory.timeoutMutantRunResult());501        // Assert502        const expected: Partial<MutantResult> = {503          status: MutantStatus.Timeout,504        };505        expect(actual).deep.include(expected);506      });507      it('should report a survived mutant when called with a SurvivedMutantRunResult', () => {508        // Arrange509        dryRunResult.tests.push(factory.failedTestResult({ id: '1', name: 'foo should be bar' }));510        const sut = createSut();511        // Act512        const actual = sut.reportMutantRunResult(513          factory.mutantTestCoverage({ fileName: 'add.js', coveredBy: ['1'] }),514          factory.survivedMutantRunResult({ nrOfTests: 4 })515        );516        // Assert517        const expected: Partial<MutantResult> = {518          status: MutantStatus.Survived,519          coveredBy: ['1'],520          testsCompleted: 4,521        };522        expect(actual).deep.include(expected);523      });524      it('should be able to report coveredBy as `undefined` for a survived mutant', () => {525        // Arrange526        dryRunResult.tests.push(factory.failedTestResult({ id: '1', name: 'foo should be bar' }));527        const sut = createSut();528        // Act529        const actual = sut.reportMutantRunResult(530          factory.mutantTestCoverage({ fileName: 'add.js', coveredBy: undefined }),531          factory.survivedMutantRunResult()532        );533        // Assert534        const expected: Partial<MutantResult> = {535          status: MutantStatus.Survived,536          coveredBy: undefined,537        };538        expect(actual).deep.include(expected);539      });540    });541  });...

mutantsEntry.js

Source:mutantsEntry.js

1import React, { useContext, useState } from "react";2import InputMutants from "../components/inputMutants/inputMutants";3import FavoriteItem from "../components/Favorites/FavoriteItem";4import CheckCircleTwoToneIcon from "@material-ui/icons/CheckCircleTwoTone";5import Grid from "@material-ui/core/Grid";6import { MutantsContext } from "../context/mutants-context";7import "./mutantsEntry.css"8const MutantsEntry = (props) => {9    const [mutantList, setMutantList] = useContext(MutantsContext);10    const [newMutantAdded, setNewAddedMutant] = useState(false);11    const setMutant = (NewM) => {12        setMutantList((currentMutants) => [...currentMutants, NewM]);13        setNewAddedMutant(true);14    };15    const addNewMutantAgainHandler = () =>{16        setNewAddedMutant(false)17    };18    return (19        <div className="">20            {!newMutantAdded ? (21                <div className="add-new-mutant">22                    <h2>Registrar nuevo mutante</h2>23                    <InputMutants setNewMutant={setMutant} />24                </div>25            ) : (26                <div className="succed-Added">27                        <CheckCircleTwoToneIcon28                            style={{ color: "green", fontSize: 30 }}29                        />30                        <h2 className="">Mutante Agregado</h2>31                        <button onClick={addNewMutantAgainHandler}>32                            Agregar otro mutante33                        </button>34                </div>35            )}36        </div>37    );38};...

Using AI Code Generation

1var inputMutants = require('stryker-parent').inputMutants;2inputMutants([1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]);3var inputMutants = require('stryker-parent').inputMutants;4inputMutants([1,2,3,4,5,6,7,8,9,10]);5var inputMutants = require('stryker-parent').inputMutants;6inputMutants([1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]);7var inputMutants = require('stryker-parent').inputMutants;8inputMutants([1,2,3,4,5,6,7,8,9,10]);9var inputMutants = require('stryker-parent').inputMutants;10inputMutants([1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]);11var inputMutants = require('stryker-parent').inputMutants;12inputMutants([1,2,3,4,5,6,7,8,9,10]);13var inputMutants = require('stryker-parent').inputMutants;14inputMutants([1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]);15var inputMutants = require('stryker-parent').inputMutants;16inputMutants([1,2,3,4,5,6

Using AI Code Generation

1const { inputMutants } = require('stryker-parent');2const { inputMutants } = require('stryker-parent');3const mutants = inputMutants();4mutants.forEach(mutant => {5    console.log(mutant);6});7module.exports = function (config) {8    config.set({9        mochaOptions: {10        }11    });12};13> 17:46:16 (13037) INFO MochaTestRunner Using Mocha 3.2.0 as test runner14> 17:46:16 (13037) INFO MochaTestRunner Loading test files using Mocha's require: ["test.js"]15>     at InitialTestExecutor.determineExitCode (C:\Users\

Using AI Code Generation

1var inputMutants = require('stryker-parent').inputMutants;2inputMutants({3    {pattern: 'test.js', mutated: true, included: true},4    {pattern: 'src.js', mutated: false, included: true}5});6function add(a, b) {7  return a + b;8}9describe('add', function() {10  it('should add 2 numbers', function() {11    expect(add(2, 2)).toBe(4);12  });13});14module.exports = function(config) {15  config.set({16    karma: {17      config: {18      }19    }20  });21};22The Stryker API is a way to use Stryker from the command line or from your own code. It is a facade for the [Stryker CLI](packages/stryker-cli/README.md). It exposes the following methods:23 * @param {Object} options - The options to use24 * @param {Object} [options.configFile] - The path to the stryker.conf.js file. The options object will be merged with the config file25 * @param {string} [options.logLevel] - The log level to use. Defaults to "info"26 * @param {string} [options.logLevel] - The log level to use. Defaults to "info"27 * @param {string[]} [options.plugins] - The plugins to load. Defaults to []28 * @param {Object} [options.port] - The port to use for the test runner. Defaults to 923429 * @param {string} [options.tmpDirName

Using AI Code Generation

1var inputMutants = require('stryker-parent').inputMutants;2inputMutants(function (mutants) {3});4var inputMutants = require('stryker-parent').inputMutants;5inputMutants(function (mutants) {6});7var inputMutants = require('stryker-parent').inputMutants;8inputMutants(function (mutants) {9});10var inputMutants = require('stryker-parent').inputMutants;11inputMutants(function (mutants) {12});13var inputMutants = require('stryker-parent').inputMutants;14inputMutants(function (mutants) {15});16var inputMutants = require('stryker-parent').inputMutants;17inputMutants(function (mutants) {18});19var inputMutants = require('stryker-parent').inputMutants;20inputMutants(function (mutants) {21});22var inputMutants = require('stryker-parent').inputMutants;23inputMutants(function (mutants) {24});25var inputMutants = require('stryker-parent').inputMutants;26inputMutants(function (mutants) {27});

Using AI Code Generation

1var inputMutants = require('stryker-parent').inputMutants;2inputMutants(function (mutant) {3});4var inputMutants = require('stryker-parent').inputMutants;5inputMutants(function (mutant) {6});7var inputMutants = require('stryker-parent').inputMutants;8inputMutants(function (mutant) {9});10var inputMutants = require('stryker-parent').inputMutants;11inputMutants(function (mutant) {

Using AI Code Generation

1var stryker = require('stryker-parent');2var inputMutants = stryker.inputMutants;3var mutants = inputMutants();4console.log(mutants);5module.exports = function(config) {6  config.set({7    jest: {8    }9  });10};11module.exports = {12  coverageThreshold: {13    global: {14    }15  },16  globals: {17    'ts-jest': {18    }

Using AI Code Generation

1var inputMutants = require('stryker-parent').inputMutants;2inputMutants(function (mutant) {3  console.log(mutant);4});5var outputMutantResult = require('stryker-parent').outputMutantResult;6outputMutantResult({7  originalLines: ['var a = 1;'],8  mutatedLines: ['var a = 2;'],9  mutatedCode: 'var a = 2;',10});11var outputAllMutantsTested = require('stryker-parent').outputAllMutantsTested;12outputAllMutantsTested();13var outputScore = require('stryker-parent').outputScore;14outputScore(80);15var outputError = require('stryker-parent').outputError;16outputError('error');17var outputDone = require('stryker-parent').outputDone;18outputDone();19var outputTimeout = require('stryker-parent').outputTimeout;20outputTimeout();21var outputCoverageAnalysis = require('stryker-parent').outputCoverageAnalysis;22outputCoverageAnalysis('perTest');23var outputMutantFilter = require('stryker-parent').outputMutantFilter;24outputMutantFilter(['1', '2', '3']);25var outputMutantRunResult = require('stryker-parent').outputMutantRunResult;26outputMutantRunResult({27  originalLines: ['var a = 1;'],28  mutatedLines: ['var a = 2;'],29  mutatedCode: 'var a = 2;',

Using AI Code Generation

1const inputMutants = require('stryker-parent').inputMutants;2inputMutants('test.js', mutants, (mutant) => {3  const mutatedSourceCode = sourceCode.substr(0, mutant.range[0]) + mutant.replacement + sourceCode.substr(mutant.range[1]);4  const result = runTests(mutatedSourceCode);5  return result;6});7Apache-2.0 © [Nico Jansen](

Automation Testing Tutorials

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