How to use srcAddContent method in stryker-parent

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incremental-differ.spec.ts

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1import path from 'path';2import { Mutant, MutantStatus, schema } from '@stryker-mutator/api/core';3import { factory, testInjector } from '@stryker-mutator/test-helpers';4import { deepFreeze } from '@stryker-mutator/util';5import { expect } from 'chai';6import chalk from 'chalk';7import sinon from 'sinon';8import { IncrementalDiffer } from '../../../src/mutants/index.js';9import { createMutant, loc, pos } from '../../helpers/producers.js';10import { TestCoverageTestDouble } from '../../helpers/test-coverage-test-double.js';11// Keep this files here for the indenting12const srcAddContent = `export function add(a, b) {13 return a + b;14} 15`;16const testAddContent = `import { expect } from 'chai';17import { add } from '../src/add.js';18describe('add' () => {19 it('should result in 42 for 2 and 40', () => {20 expect(add(40, 2)).eq(42);21 });22});23`;24const testAddContentTwoTests = `import { expect } from 'chai';25import { add } from '../src/add.js';26describe('add' () => {27 it('should result in 42 for 2 and 40', () => {28 expect(add(40, 2)).eq(42);29 });30 it('should result in 42 for 45 and -3', () => {31 expect(add(45, -3)).eq(42);32 });33});34`;35const testAddContentWithTestGeneration = `import { expect } from 'chai';36import { add } from '../src/add.js';37describe('add' () => {38 for(const [a, b, answer] of [[40, 2, 42], [45, -3, 42]]) {39 it(\`should result in \${answer} for \${a} and \${b}\`, () => {40 expect(add(a, b)).eq(answer);41 });42 }43 it('should have name "add"', () => {44 expect(add.name).eq('add');45 });46});47`;48const testAddContentWithTestGenerationUpdated = `import { expect } from 'chai';49import { add } from '../src/add.js';50describe('add' () => {51 for(const [a, b, answer] of [[40, 2, 42], [45, -3, 42]]) {52 it(\`should result in \${answer} for \${a} and \${b}\`, () => {53 expect(add(a, b)).eq(answer);54 });55 }56 it('should have name "add"', () => {57 // Add a comment as change58 expect(add.name).eq('add');59 });60});61`;62const srcMultiplyContent = `export function multiply(a, b) {63 return a * b;64}`;65const testMultiplyContent = `import { expect } from 'chai';66import { multiply } from '../src/multiply.js';67describe('multiply' () => {68 it('should result in 42 for 2 and 21', () => {69 expect(multiply(2, 21)).eq(42);70 });71});72`;73const srcAdd = 'src/add.js';74const srcMultiply = 'src/multiply.js';75const testAdd = 'test/add.spec.js';76const testMultiply = 'test/multiply.spec.js';77class ScenarioBuilder {78 public readonly oldSpecId = 'spec-1';79 public readonly newTestId = 'new-spec-2';80 public readonly mutantId = '2';81 public incrementalFiles: schema.FileResultDictionary = {};82 public incrementalTestFiles: schema.TestFileDefinitionDictionary = {};83 public currentFiles = new Map<string, string>();84 public mutants: Mutant[] = [];85 public testCoverage = new TestCoverageTestDouble();86 public sut?: IncrementalDiffer;87 public withMathProjectExample({ mutantState: mutantStatus = MutantStatus.Killed, isStatic = false } = {}): this {88 this.mutants.push(89 createMutant({ id: this.mutantId, fileName: srcAdd, replacement: '-', mutatorName: 'min-replacement', location: loc(1, 11, 1, 12) })90 );91 this.incrementalFiles[srcAdd] = factory.mutationTestReportSchemaFileResult({92 mutants: [93 factory.mutationTestReportSchemaMutantResult({94 id: 'mut-1',95 coveredBy: isStatic ? undefined : [this.oldSpecId],96 killedBy: [this.oldSpecId],97 replacement: '-',98 mutatorName: 'min-replacement',99 statusReason: 'Killed by first test',100 testsCompleted: 1,101 status: mutantStatus,102 location: loc(1, 11, 1, 12),103 }),104 ],105 source: srcAddContent,106 });107 this.incrementalTestFiles[testAdd] = factory.mutationTestReportSchemaTestFile({108 tests: [{ id: this.oldSpecId, name: 'add(2, 0) = 2' }],109 });110 this.currentFiles.set(srcAdd, srcAddContent);111 this.testCoverage.addTest(factory.testResult({ id: this.newTestId, fileName: testAdd, name: 'add(2, 0) = 2' }));112 if (isStatic) {113 this.testCoverage.hasCoverage = true;114 this.testCoverage.staticCoverage[this.mutantId] = true;115 } else {116 this.testCoverage.addCoverage(this.mutantId, [this.newTestId]);117 }118 return this;119 }120 public withoutTestCoverage(): this {121 Object.keys(this.incrementalTestFiles).forEach((testFile) => delete this.incrementalTestFiles[testFile]);122 this.testCoverage.clear();123 this.testCoverage.hasCoverage = false;124 return this;125 }126 public withTestFile(): this {127 this.currentFiles.set(testAdd, testAddContent);128 this.incrementalTestFiles[testAdd].source = testAddContent;129 return this;130 }131 public withLocatedTest({ includeEnd = false } = {}): this {132 this.incrementalTestFiles[testAdd].tests[0].location = loc(4, 2);133 if (includeEnd) {134 this.incrementalTestFiles[testAdd].tests[0].location.end = pos(6, 5);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', () => {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();592 expect(actualDiff[0].status).undefined;593 });594 it('should identify that a "Killed" state can be reused when the killing test didn\'t change', () => {595 const actualDiff = new ScenarioBuilder()596 .withMathProjectExample({ mutantState: MutantStatus.Killed })597 .withTestFile()598 .withLocatedTest()599 .withSecondTestInIncrementalReport()600 .act();601 expect(actualDiff[0].status).eq(MutantStatus.Killed);602 });603 it('should identify that a "Killed" state cannot be reused when the killing test was removed', () => {604 const actualDiff = new ScenarioBuilder()605 .withMathProjectExample({ mutantState: MutantStatus.Killed })606 .withTestFile()607 .withSecondTestInIncrementalReport({ isKillingTest: true })608 .act();609 expect(actualDiff[0].status).undefined;610 });611 it('should identify that a "Killed" state for a static mutant (no covering tests) can be reused when the killing test didn\'t change', () => {612 const actualDiff = new ScenarioBuilder().withMathProjectExample({ mutantState: MutantStatus.Killed, isStatic: true }).act();613 expect(actualDiff[0].status).eq(MutantStatus.Killed);614 });615 it('should collect an added test', () => {616 const scenario = new ScenarioBuilder()617 .withMathProjectExample()618 .withTestFile()619 .withLocatedTest({ includeEnd: true })620 .withSecondTest({ located: true });621 scenario.act();622 const actualCollector = scenario.sut!.testStatisticsCollector!;623 expect(actualCollector.changesByFile).lengthOf(1);624 const changes = actualCollector.changesByFile.get(testAdd)!;625 expect(changes).property('added', 1);626 expect(changes).property('removed', 0);627 });628 it('should collect an added and removed test when a test changes', () => {629 const scenario = new ScenarioBuilder()630 .withMathProjectExample()631 .withTestFile()632 .withLocatedTest()633 .withAddedCodeInsideTheTest('arrangeSomething()');634 scenario.act();635 const actualCollector = scenario.sut!.testStatisticsCollector!;636 expect(actualCollector.changesByFile).lengthOf(1);637 const changes = actualCollector.changesByFile.get(testAdd)!;638 expect(changes).property('added', 1);639 expect(changes).property('removed', 1);640 });641 });642 describe('with history', () => {643 it('should keep historic mutants in other files', () => {644 const scenario = new ScenarioBuilder().withMathProjectExample().withSecondSourceAndTestFileInIncrementalReport().withSecondSourceFile();645 const mutants = scenario.act();646 expect(mutants).lengthOf(2);647 const actualMutant = mutants[1];648 expect(actualMutant.id).includes('src/multiply.js@1:11-1:12');649 expect(actualMutant.status).eq(MutantStatus.Killed);650 expect(actualMutant.fileName).eq(path.resolve(srcMultiply));651 });652 it("should keep historic tests that didn't run this time around", () => {653 const scenario = new ScenarioBuilder()654 .withMathProjectExample()655 .withSecondSourceAndTestFileInIncrementalReport()656 .withSecondSourceFile()657 .withSecondTestFile();658 const mutants = scenario.act();659 const actualTest = scenario.testCoverage.testsById.get(`${testMultiply}@4:2\nmultiply should result in 42 for 2 and 21`)!;660 expect(actualTest).ok;661 expect(actualTest.fileName).eq(path.resolve(testMultiply));662 expect(actualTest.name).eq('multiply should result in 42 for 2 and 21');663 expect(actualTest.startPosition).deep.eq(pos(4, 2));664 expect(scenario.testCoverage.forMutant(mutants[1].id)).deep.eq(new Set([actualTest]));665 });666 it('should not keep historic mutants when they are inside of a mutated file', () => {667 testInjector.fileDescriptions[path.resolve(srcMultiply)] = { mutate: true };668 const scenario = new ScenarioBuilder().withMathProjectExample().withSecondSourceAndTestFileInIncrementalReport().withSecondSourceFile();669 const mutants = scenario.act();670 expect(mutants).lengthOf(1);671 });672 it('should not keep historic mutants when they are inside of a mutated scope of a file', () => {673 testInjector.fileDescriptions[path.resolve(srcMultiply)] = { mutate: [loc(1, 11, 1, 12), loc(2, 2, 2, 3)] };674 const scenario = new ScenarioBuilder().withMathProjectExample().withSecondSourceAndTestFileInIncrementalReport().withSecondSourceFile();675 const mutants = scenario.act();676 expect(mutants).lengthOf(1);677 });678 it('should keep historic mutants when they are outside of a mutated scope of a file', () => {679 testInjector.fileDescriptions[path.resolve(srcMultiply)] = { mutate: [loc(1, 9, 1, 10), loc(2, 11, 2, 12)] };680 const scenario = new ScenarioBuilder().withMathProjectExample().withSecondSourceAndTestFileInIncrementalReport().withSecondSourceFile();681 const mutants = scenario.act();682 expect(mutants).lengthOf(2);683 });684 });...

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Using AI Code Generation

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

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Using AI Code Generation

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1var parent = require('stryker-parent');2var path = require('path');3var fs = require('fs');4var content = fs.readFileSync(path.join(__dirname, 'content.txt'));5parent.srcAddContent(content);6var content = 'test content';7module.exports = function(config) {8 config.set({9 });10};

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Using AI Code Generation

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1var srcAddContent = require('stryker-parent').srcAddContent;2var content = 'var a = 0;';3srcAddContent('test.js', content, function(err) {4 if (err) {5 console.log('Error: ' + err);6 }7});8var srcAddContent = require('stryker-parent').srcAddContent;9var content = 'var a = 0;';10srcAddContent('test.js', content, function(err) {11 if (err) {12 console.log('Error: ' + err);13 }14});15var srcAddContent = require('stryker-parent').srcAddContent;16var content = 'var a = 0;';17srcAddContent('test.js', content, function(err) {18 if (err) {19 console.log('Error: ' + err);20 }21});22var srcAddContent = require('stryker-parent').srcAddContent;23var content = 'var a = 0;';24srcAddContent('test.js', content, function(err) {25 if (err) {26 console.log('Error: ' + err);27 }28});29var srcAddContent = require('stryker-parent').srcAddContent;30var content = 'var a = 0;';31srcAddContent('test.js', content, function(err) {32 if (err) {33 console.log('Error: ' + err);34 }35});36var srcAddContent = require('stryker-parent').srcAddContent;37var content = 'var a = 0;';38srcAddContent('test.js', content, function(err) {39 if (err) {40 console.log('Error: ' + err);41 }42});43var srcAddContent = require('stryker-parent').srcAddContent;44var content = 'var a = 0;';45srcAddContent('test

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Using AI Code Generation

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1var strykerParent = require('stryker-parent');2var fileContent = 'some content';3strykerParent.srcAddContent('test.js', fileContent);4srcAddContent: function(filePath, fileContent)5var strykerParent = require('stryker-parent');6var fileContent = 'some content';7strykerParent.srcAddContent('test.js', fileContent);8srcAddContent: function(filePath, fileContent)9var strykerParent = require('stryker-parent');10var fileContent = 'some content';11strykerParent.srcAddContent('test.js', fileContent);

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Using AI Code Generation

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

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Using AI Code Generation

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1strykerParent.srcAddContent('src', 'test.js', 'console.log("test");');2strykerParent.srcAddContent('src', 'test2.js', 'console.log("test2");');3strykerParent.srcAddContent('src', 'test3.js', 'console.log("test3");');4strykerParent.srcAddContent('src', 'test4.js', 'console.log("test4");');5strykerParent.srcAddContent('src', 'test5.js', 'console.log("test5");');6strykerParent.srcAddContent('src', 'test6.js', 'console.log("test6");');7strykerParent.srcAddContent('src', 'test7.js', 'console.log("test7");');8strykerParent.srcAddContent('src', 'test8.js', 'console.log("test8");');9strykerParent.srcAddContent('src', 'test9.js', 'console.log("test9");');10strykerParent.srcAddContent('src', 'test10.js', 'console.log("test10");');11strykerParent.srcAddContent('src', 'test11.js', 'console.log("test11");');12strykerParent.srcAddContent('src', 'test12.js', 'console.log("test12");');13strykerParent.srcAddContent('src', 'test13.js', 'console.log("test13");');14strykerParent.srcAddContent('src', 'test14.js', 'console.log("test14");');15strykerParent.srcAddContent('src', 'test15.js', 'console.log("test15");');16strykerParent.srcAddContent('src', 'test16.js', 'console.log("test16");');

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Using AI Code Generation

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1const stryker = require('stryker-parent');2const fs = require('fs');3stryker.srcAddContent('test.js', 'console.log("this is a test");');4fs.writeFile('test.js', stryker.srcGetContent('test.js'), (err) => {5 if (err) throw err;6 console.log('The file has been saved!');7});8I want to add a string to a file. I have a file test.js that I want to add the string 'console.log("this is a test");' to. I tried using fs.appendFile but it didn't work. I want to do this in the test.js file, not in the Stryker config file. Is there a way to do this?

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