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How to use RunScenario method of performance_test Package

Best Ginkgo code snippet using performance_test.RunScenario

performance_suite_test.go

Source:performance_suite_test.go

...204		GoModDownload("performance")205	}206	for idx, run := range runs {207		fmt.Printf("%d - %s\n", idx, run.Name())208		RunScenario(experiments[run.Name()].NewStopwatch(), run, gmeasure.Annotation(fmt.Sprintf("%d", idx+1)))209	}210	for name, experiment := range experiments {211		cache.Save(name, cacheVersion, experiment)212	}213}214func AnalyzeCache(cache gmeasure.ExperimentCache) {215	headers, err := cache.List()216	Î©(err).ShouldNot(HaveOccurred())217	experiments := []*gmeasure.Experiment{}218	for _, header := range headers {219		experiments = append(experiments, cache.Load(header.Name, header.Version))220	}221	for _, measurement := range []string{"first-output", "total-runtime"} {222		stats := []gmeasure.Stats{}223		for _, experiment := range experiments {224			stats = append(stats, experiment.GetStats(measurement))225		}226		AddReportEntry(measurement, gmeasure.RankStats(gmeasure.LowerMedianIsBetter, stats...))227	}228}229func RunScenario(stopwatch *gmeasure.Stopwatch, settings ScenarioSettings, annotation gmeasure.Annotation) {230	if settings.ClearGoModCache {231		gmcm.Clear()232	}233	if settings.GoModDownloadFirst {234		GoModDownload(settings.Fixture)235		stopwatch.Record("mod-download", annotation)236	}237	if settings.UseGoTestDirectly {238		RunScenarioWithGoTest(stopwatch, settings, annotation)239	} else {240		RunScenarioWithGinkgoInternals(stopwatch, settings, annotation)241	}242}243/* CompileAndRun uses the Ginkgo CLIs internals to compile and run tests with different possible settings governing concurrency and ordering */244func RunScenarioWithGinkgoInternals(stopwatch *gmeasure.Stopwatch, settings ScenarioSettings, annotation gmeasure.Annotation) {245	cliConfig := types.NewDefaultCLIConfig()246	cliConfig.Recurse = settings.Recurse247	suiteConfig := types.NewDefaultSuiteConfig()248	reporterConfig := types.NewDefaultReporterConfig()249	reporterConfig.Succinct = true250	goFlagsConfig := types.NewDefaultGoFlagsConfig()251	suites := internal.FindSuites([]string{pfm.PathTo(settings.Fixture)}, cliConfig, true)252	Î©(suites).Should(HaveLen(settings.NumSuites))253	compile := make(chan internal.TestSuite, len(suites))254	compiled := make(chan internal.TestSuite, len(suites))255	completed := make(chan internal.TestSuite, len(suites))256	firstOutputOnce := sync.Once{}257	for compiler := 0; compiler < settings.ConcurrentCompilers; compiler++ {258		go func() {259			for suite := range compile {260				if !suite.State.Is(internal.TestSuiteStateCompiled) {261					subStopwatch := stopwatch.NewStopwatch()262					suite = internal.CompileSuite(suite, goFlagsConfig)263					subStopwatch.Record("compile-test: "+suite.PackageName, annotation)264					Î©(suite.CompilationError).Should(BeNil())265				}266				compiled <- suite267			}268		}()269	}270	if settings.CompileFirstSuiteSerially {271		compile <- suites[0]272		suites[0] = <-compiled273	}274	for runner := 0; runner < settings.ConcurrentRunners; runner++ {275		go func() {276			for suite := range compiled {277				firstOutputOnce.Do(func() {278					stopwatch.Record("first-output", annotation, gmeasure.Style("{{cyan}}"))279				})280				subStopwatch := stopwatch.NewStopwatch()281				suite = internal.RunCompiledSuite(suite, suiteConfig, reporterConfig, cliConfig, goFlagsConfig, []string{})282				subStopwatch.Record("run-test: "+suite.PackageName, annotation)283				Î©(suite.State).Should(Equal(internal.TestSuiteStatePassed))284				completed <- suite285			}286		}()287	}288	for _, suite := range suites {289		compile <- suite290	}291	completedSuites := []internal.TestSuite{}292	for suite := range completed {293		completedSuites = append(completedSuites, suite)294		if len(completedSuites) == len(suites) {295			close(completed)296			close(compile)297			close(compiled)298		}299	}300	stopwatch.Record("total-runtime", annotation, gmeasure.Style("{{green}}"))301	internal.Cleanup(goFlagsConfig, completedSuites...)302}303func RunScenarioWithGoTest(stopwatch *gmeasure.Stopwatch, settings ScenarioSettings, annotation gmeasure.Annotation) {304	defer func() {305		stopwatch.Record("total-runtime", annotation, gmeasure.Style("{{green}}"))306	}()307	if settings.GoTestRecurse {308		cmd := exec.Command("go", "test", "-count=1", "./...")309		cmd.Dir = pfm.PathTo(settings.Fixture)310		sess, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)311		Î©(err).ShouldNot(HaveOccurred())312		Eventually(sess).Should(gbytes.Say(`.`)) //should say _something_ eventually!313		stopwatch.Record("first-output", annotation, gmeasure.Style("{{cyan}}"))314		Eventually(sess).Should(gexec.Exit(0))315		return316	}317	cliConfig := types.NewDefaultCLIConfig()...

RunScenario

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1import (2type SimpleStruct struct {3}4func main() {5    pmem.Init("/mnt/mem/pmemfile")6    pmemobj := pmem.NewPmemObj("/mnt/mem/pmemfile", 1024*1024*1024)7    defer pmemobj.Close()8    tx := transaction.NewTx(pmemobj)9    defer tx.End()

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