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How to use arrangeSut method in stryker-parent

Best JavaScript code snippet using stryker-parent

create-test-runner-factory.it.spec.ts

Source:create-test-runner-factory.it.spec.ts

...45    }46    await loggingServer.dispose();47    rmSync(CounterTestRunner.COUNTER_FILE);48  });49  async function arrangeSut(name: string): Promise<void> {50    testInjector.options.testRunner = name;51    sut = createSut();52    await sut.init?.();53  }54  function actDryRun(timeout = 4000) {55    return sut.dryRun(factory.dryRunOptions({ timeout, coverageAnalysis: 'all' }));56  }57  function actMutantRun(options = factory.mutantRunOptions()) {58    return sut.mutantRun(options);59  }60  it('should pass along the coverage result from the test runner behind', async () => {61    await arrangeSut('coverage-reporting');62    const result = await actDryRun();63    assertions.expectCompleted(result);64    expect(result.mutantCoverage).deep.eq(factory.mutantCoverage({ static: { 1: 42 } }));65  });66  it('should pass along the run result', async () => {67    await arrangeSut('direct-resolved');68    const result = await actDryRun();69    expect(result.status).eq(DryRunStatus.Complete);70  });71  it('should try to report coverage from the global scope, even when the test runner behind does not', async () => {72    await arrangeSut('direct-resolved');73    const result = await actDryRun();74    assertions.expectCompleted(result);75    expect(result.mutantCoverage).eq('coverageObject');76  });77  it('should resolve in a timeout if the test runner never resolves', async () => {78    await arrangeSut('never-resolved');79    const result = await actDryRun(1000);80    expect(result.status).eq(DryRunStatus.Timeout);81  });82  it('should be able to recover from a timeout by creating a new child process', async () => {83    await arrangeSut('never-resolved');84    await actDryRun(1000); // first timeout85    const result = await actDryRun(1000);86    expect(result.status).eq(DryRunStatus.Timeout);87  });88  it('should convert any `Error` objects to string', async () => {89    await arrangeSut('errored');90    const result = await actDryRun(1000);91    assertions.expectErrored(result);92    expect(result.errorMessage).includes('SyntaxError: This is invalid syntax!').and.includes('at ErroredTestRunner.dryRun');93  });94  it('should run only after initialization, even when it is slow', async () => {95    await arrangeSut('slow-init-dispose');96    const result = await actDryRun(1000);97    assertions.expectCompleted(result);98  });99  it('should be able to run twice in quick succession', async () => {100    await arrangeSut('direct-resolved');101    const result = await actDryRun();102    assertions.expectCompleted(result);103  });104  it('should reject when `init` of test runner behind rejects', async () => {105    await expect(arrangeSut('reject-init')).rejectedWith('Init was rejected');106  });107  it('should still shutdown the child process, even when test runner dispose rejects', async () => {108    arrangeSut('errored');109    await sut.dispose?.();110  });111  it('should change the current working directory to the sandbox directory', async () => {112    await arrangeSut('verify-working-folder');113    const result = await actDryRun();114    assertions.expectCompleted(result);115  });116  it('should be able to recover from an async crash', async () => {117    // time-bomb will crash after 500 ms118    await arrangeSut('time-bomb');119    await sleep(550);120    const result = await actDryRun();121    assertions.expectCompleted(result);122  });123  it('should report if a crash happens twice', async () => {124    await arrangeSut('proximity-mine');125    const result = await actDryRun();126    assertions.expectErrored(result);127    expect(result.errorMessage).contains('Test runner crashed');128  });129  it('should handle asynchronously handled promise rejections from the underlying test runner', async () => {130    const logEvents = lastValueFrom(loggingServer.event$.pipe(toArray()));131    await arrangeSut('async-promise-rejection-handler');132    await actDryRun();133    await sut.dispose?.();134    alreadyDisposed = true;135    await loggingServer.dispose();136    const actualLogEvents = await logEvents;137    expect(138      actualLogEvents.find(139        (logEvent) =>140          log4js.levels.DEBUG.isEqualTo(logEvent.level) &&141          logEvent.data.toString().includes('UnhandledPromiseRejectionWarning: Unhandled promise rejection')142      )143    ).ok;144  });145  it('should restart the worker after it has exceeded the maxTestRunnerReuse', async () => {146    testInjector.options.maxTestRunnerReuse = 3;147    await arrangeSut('counter');148    await actMutantRun();149    expect(fs.readFileSync(CounterTestRunner.COUNTER_FILE, 'utf8')).to.equal('1');150    await actMutantRun();151    expect(fs.readFileSync(CounterTestRunner.COUNTER_FILE, 'utf8')).to.equal('2');152    await actMutantRun();153    expect(fs.readFileSync(CounterTestRunner.COUNTER_FILE, 'utf8')).to.equal('3');154    await actMutantRun();155    expect(fs.readFileSync(CounterTestRunner.COUNTER_FILE, 'utf8')).to.equal('1');156  });...

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