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How to use Clear method of performance_test Package

Best Ginkgo code snippet using performance_test.Clear

performance_suite_test.go

Source:performance_suite_test.go

...61		Path:         path,62		OldCachePath: oldCachePath,63	}64}65func (m GoModCacheManager) Clear() {66	cmd := exec.Command("go", "clean", "-modcache")67	session, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)68	Î©(err).ShouldNot(HaveOccurred())69	Eventually(session).Should(gexec.Exit(0))70}71func (m GoModCacheManager) Cleanup() {72	m.Clear()73	if m.OldCachePath == "" {74		os.Unsetenv("GOMODCACHE")75	} else {76		os.Setenv("GOMODCACHE", m.OldCachePath)77	}78}79/* PerformanceFixtureManager manages fixture data */80type PerformanceFixtureManager struct {81	TmpDir string82}83func NewPerformanceFixtureManager(tmpDir string) PerformanceFixtureManager {84	err := os.MkdirAll(tmpDir, 0700)85	Î©(err).ShouldNot(HaveOccurred())86	return PerformanceFixtureManager{87		TmpDir: tmpDir,88	}89}90func (f PerformanceFixtureManager) Cleanup() {91	Î©(os.RemoveAll(f.TmpDir)).Should(Succeed())92}93func (f PerformanceFixtureManager) MountFixture(fixture string, subPackage ...string) {94	src := filepath.Join("_fixtures", fixture+"_fixture")95	dst := filepath.Join(f.TmpDir, fixture)96	if len(subPackage) > 0 {97		src = filepath.Join(src, subPackage[0])98		dst = filepath.Join(dst, subPackage[0])99	}100	f.copyIn(src, dst)101}102func (f PerformanceFixtureManager) copyIn(src string, dst string) {103	Expect(os.MkdirAll(dst, 0777)).To(Succeed())104	files, err := os.ReadDir(src)105	Expect(err).NotTo(HaveOccurred())106	for _, file := range files {107		srcPath := filepath.Join(src, file.Name())108		dstPath := filepath.Join(dst, file.Name())109		if file.IsDir() {110			f.copyIn(srcPath, dstPath)111			continue112		}113		srcContent, err := os.ReadFile(srcPath)114		Î©(err).ShouldNot(HaveOccurred())115		Î©(os.WriteFile(dstPath, srcContent, 0666)).Should(Succeed())116	}117}118func (f PerformanceFixtureManager) PathTo(pkg string, target ...string) string {119	if len(target) == 0 {120		return filepath.Join(f.TmpDir, pkg)121	}122	components := append([]string{f.TmpDir, pkg}, target...)123	return filepath.Join(components...)124}125/* GoModDownload runs go mod download for a given package */126func GoModDownload(fixture string) {127	cmd := exec.Command("go", "mod", "download")128	cmd.Dir = pfm.PathTo(fixture)129	sess, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)130	Î©(err).ShouldNot(HaveOccurred())131	Eventually(sess).Should(gexec.Exit(0))132}133/* ScenarioSettings configures the test scenario */134type ScenarioSettings struct {135	Fixture         string136	NumSuites       int137	Recurse         bool138	ClearGoModCache bool139	ConcurrentCompilers       int140	ConcurrentRunners         int141	CompileFirstSuiteSerially bool142	GoModDownloadFirst        bool143	UseGoTestDirectly            bool144	ConcurrentGoTests            int145	GoTestCompileThenRunSerially bool146	GoTestRecurse                bool147}148func (s ScenarioSettings) Name() string {149	out := []string{s.Fixture}150	if s.UseGoTestDirectly {151		if s.GoTestCompileThenRunSerially {152			out = append(out, "go test -c; then run (serially)")153		} else if s.GoTestRecurse {154			out = append(out, "go test ./...")155		} else {156			out = append(out, "go test")157			if s.ConcurrentGoTests == 1 {158				out = append(out, "serially")159			} else {160				out = append(out, fmt.Sprintf("run concurrently [%d]", s.ConcurrentGoTests))161			}162		}163	} else {164		if s.ConcurrentCompilers == 1 {165			out = append(out, "compile serially")166		} else {167			out = append(out, fmt.Sprintf("compile concurrently [%d]", s.ConcurrentCompilers))168		}169		if s.ConcurrentRunners == 1 {170			out = append(out, "run serially")171		} else {172			out = append(out, fmt.Sprintf("run concurrently [%d]", s.ConcurrentRunners))173		}174		if s.CompileFirstSuiteSerially {175			out = append(out, "will compile first suite serially")176		}177		if s.GoModDownloadFirst {178			out = append(out, "will go mod download first")179		}180	}181	return strings.Join(out, " - ")182}183func SampleScenarios(cache gmeasure.ExperimentCache, numSamples int, cacheVersion int, runGoModDownload bool, scenarios ...ScenarioSettings) {184	// we randomize the sample set of scenarios to try to avoid any systematic effects that emerge185	// during the run (e.g. change in internet connection speed, change in computer performance)186	experiments := map[string]*gmeasure.Experiment{}187	runs := []ScenarioSettings{}188	for _, scenario := range scenarios {189		name := scenario.Name()190		if experiment := cache.Load(name, cacheVersion); experiment != nil {191			AddReportEntry(name, experiment, Offset(1), ReportEntryVisibilityFailureOrVerbose)192			continue193		}194		experiments[name] = gmeasure.NewExperiment(name)195		AddReportEntry(name, experiments[name], Offset(1), ReportEntryVisibilityFailureOrVerbose)196		for i := 0; i < numSamples; i++ {197			runs = append(runs, scenario)198		}199	}200	rand.New(rand.NewSource(GinkgoRandomSeed())).Shuffle(len(runs), func(i, j int) {201		runs[i], runs[j] = runs[j], runs[i]202	})203	if len(runs) > 0 && runGoModDownload {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()...

fetching_dependencies_test.go

Source:fetching_dependencies_test.go

...24			pfm.MountFixture("performance")25		})26		It("runs a series of experiments with various scenarios", func() {27			SampleScenarios(cache, 8, 1, false,28				ScenarioSettings{Fixture: "performance", NumSuites: 5, ConcurrentCompilers: 1, ConcurrentRunners: 1, Recurse: true, ClearGoModCache: true},29				ScenarioSettings{Fixture: "performance", NumSuites: 5, ConcurrentCompilers: 2, ConcurrentRunners: 1, Recurse: true, ClearGoModCache: true},30				ScenarioSettings{Fixture: "performance", NumSuites: 5, ConcurrentCompilers: 4, ConcurrentRunners: 1, Recurse: true, ClearGoModCache: true},31				ScenarioSettings{Fixture: "performance", NumSuites: 5, ConcurrentCompilers: 1, ConcurrentRunners: 1, GoModDownloadFirst: true, Recurse: true, ClearGoModCache: true},32				ScenarioSettings{Fixture: "performance", NumSuites: 5, ConcurrentCompilers: 2, ConcurrentRunners: 1, GoModDownloadFirst: true, Recurse: true, ClearGoModCache: true},33				ScenarioSettings{Fixture: "performance", NumSuites: 5, ConcurrentCompilers: 4, ConcurrentRunners: 1, GoModDownloadFirst: true, Recurse: true, ClearGoModCache: true},34				ScenarioSettings{Fixture: "performance", NumSuites: 5, ConcurrentCompilers: 2, ConcurrentRunners: 1, CompileFirstSuiteSerially: true, Recurse: true, ClearGoModCache: true},35				ScenarioSettings{Fixture: "performance", NumSuites: 5, ConcurrentCompilers: 4, ConcurrentRunners: 1, CompileFirstSuiteSerially: true, Recurse: true, ClearGoModCache: true},36			)37		})38	})39	Describe("Analysis", func() {40		It("analyzes the various fetching dependencies scenarios to identify winners", func() {41			AnalyzeCache(cache)42		})43	})44})...

Clear

Using AI Code Generation

1import (2func main() {3	performance_test.Clear()4	fmt.Println("Clear method is called")5}6import (7func main() {8	performance_test.Clear()9	fmt.Println("Clear method is called")10}11import (12func main() {13	performance_test.Clear()14	fmt.Println("Clear method is called")15}16import (17func main() {18	performance_test.Clear()19	fmt.Println("Clear method is called")20}21import (22func main() {23	performance_test.Clear()24	fmt.Println("Clear method is called")25}26import (27func main() {28	performance_test.Clear()29	fmt.Println("Clear method is called")30}31import (32func main() {33	performance_test.Clear()34	fmt.Println("Clear method is called")35}36import (37func main() {38	performance_test.Clear()39	fmt.Println("Clear method is called")40}41import (42func main() {43	performance_test.Clear()44	fmt.Println("Clear method is called")45}46import (47func main() {48	performance_test.Clear()49	fmt.Println("Clear method is called")50}

Clear

Using AI Code Generation

1import (2func main() {3    p := performance_test.New()4    p.Start("key1")5    p.Start("key2")6    p.Stop("key1")7    p.Stop("key2")8    p.Clear()9}10import (11func main() {12    p := performance_test.New()13    p.Start("key1")14    p.Start("key2")15    p.Stop("key1")16    p.Stop("key2")17    p.Clear("key1")18}19import (20func main() {21    p := performance_test.New()22    p.Start("key1")23    p.Start("key2")24    p.Stop("key1")25    p.Stop("key2")26    p.Clear("key1", "key2")27}28import (29func main() {

Clear

Using AI Code Generation

1import (2func main() {3	performanceTest := performance_test.New()4	performanceTest.Start()5	performanceTest.Stop()6	performanceTest.Clear()7	fmt.Println(performanceTest.Result())8}9import (10func main() {11	performanceTest := performance_test.New()12	performanceTest.Start()13	performanceTest.Stop()14	performanceTest.Clear()15	fmt.Println(performanceTest.Result())16}17import (18func main() {19	performanceTest := performance_test.New()20	performanceTest.Start()21	performanceTest.Stop()22	performanceTest.Clear()23	fmt.Println(performanceTest.Result())24}25import (26func main() {27	performanceTest := performance_test.New()28	performanceTest.Start()29	performanceTest.Stop()30	performanceTest.Clear()31	fmt.Println(performanceTest.Result())32}33import (

Clear

Using AI Code Generation

1import (2func main() {3    perf_test := performance_test.NewPerformanceTest("Test")4    perf_test.StartTimer()5    perf_test.StopTimer()6    fmt.Println(perf_test)7}8import (9func main() {10    perf_test := performance_test.NewPerformanceTest("Test")11    perf_test.StartTimer()12    perf_test.StopTimer()13    perf_test.Clear()14    fmt.Println(perf_test)15}16PASS: Test (0.000s)17PASS: Test (0.000s)18PASS: Test (0.000s)19What is the difference between Clear() and StopTimer()?20What is the difference between StartTimer() and StartTimerWithTime()?21What is the difference between StopTimer() and StopTimerWithTime()?22What is the difference between StartTimer() and StopTimer()?23What is the difference between StartTimerWithTime() and StopTimerWithTime()?24What is the difference between StartTimer() and StartTimerWithTime()?25What is the difference between StopTimer() and StopTimerWithTime()?26What is the difference between StartTimer() and StopTimerWithTime()?27StartTimer() starts the timer and StopTimerWith

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