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How to use Debug method of ui Package

Best Testkube code snippet using ui.Debug

debug.go

Source:debug.go

...207	version, ok := self["Config"]["Version"].(string)208	if !ok {209		return "", fmt.Errorf("agent response did not contain version key")210	}211	debugEnabled, ok := self["DebugConfig"]["EnableDebug"].(bool)212	if !ok {213		return version, fmt.Errorf("agent response did not contain debug key")214	}215	// If none are specified we will collect information from216	// all by default217	if len(c.capture) == 0 {218		c.capture = c.defaultTargets()219	}220	if !debugEnabled && c.configuredTarget("pprof") {221		cs := c.capture222		for i := 0; i < len(cs); i++ {223			if cs[i] == "pprof" {224				c.capture = append(cs[:i], cs[i+1:]...)225				i--226			}227		}228		c.UI.Warn("[WARN] Unable to capture pprof. Set enable_debug to true on target agent to enable profiling.")229	}230	for _, t := range c.capture {231		if !c.allowedTarget(t) {232			return version, fmt.Errorf("target not found: %s", t)233		}234	}235	if _, err := os.Stat(c.output); os.IsNotExist(err) {236		err := os.MkdirAll(c.output, 0755)237		if err != nil {238			return version, fmt.Errorf("could not create output directory: %s", err)239		}240	} else {241		return version, fmt.Errorf("output directory already exists: %s", c.output)242	}243	return version, nil244}245// captureStatic captures static target information and writes it246// to the output path247func (c *cmd) captureStatic() error {248	// Collect errors via multierror as we want to gracefully249	// fail if an API is inacessible250	var errors error251	// Collect the named outputs here252	outputs := make(map[string]interface{})253	// Capture host information254	if c.configuredTarget("host") {255		host, err := c.client.Agent().Host()256		if err != nil {257			errors = multierror.Append(errors, err)258		}259		outputs["host"] = host260	}261	// Capture agent information262	if c.configuredTarget("agent") {263		agent, err := c.client.Agent().Self()264		if err != nil {265			errors = multierror.Append(errors, err)266		}267		outputs["agent"] = agent268	}269	// Capture cluster members information, including WAN270	if c.configuredTarget("cluster") {271		members, err := c.client.Agent().Members(true)272		if err != nil {273			errors = multierror.Append(errors, err)274		}275		outputs["cluster"] = members276	}277	// Write all outputs to disk as JSON278	for output, v := range outputs {279		marshaled, err := json.MarshalIndent(v, "", "\t")280		if err != nil {281			errors = multierror.Append(errors, err)282		}283		err = ioutil.WriteFile(fmt.Sprintf("%s/%s.json", c.output, output), marshaled, 0644)284		if err != nil {285			errors = multierror.Append(errors, err)286		}287	}288	return errors289}290// captureDynamic blocks for the duration of the command291// specified by the duration flag, capturing the dynamic292// targets at the interval specified293func (c *cmd) captureDynamic() error {294	successChan := make(chan int64)295	errCh := make(chan error)296	durationChn := time.After(c.duration)297	intervalCount := 0298	c.UI.Output(fmt.Sprintf("Beginning capture interval %s (%d)", time.Now().Local().String(), intervalCount))299	// We'll wait for all of the targets configured to be300	// captured before continuing301	var wg sync.WaitGroup302	capture := func() {303		timestamp := time.Now().Local().Unix()304		// Make the directory that will store all captured data305		// for this interval306		timestampDir := fmt.Sprintf("%s/%d", c.output, timestamp)307		err := os.MkdirAll(timestampDir, 0755)308		if err != nil {309			errCh <- err310		}311		// Capture metrics312		if c.configuredTarget("metrics") {313			wg.Add(1)314			go func() {315				metrics, err := c.client.Agent().Metrics()316				if err != nil {317					errCh <- err318				}319				marshaled, err := json.MarshalIndent(metrics, "", "\t")320				if err != nil {321					errCh <- err322				}323				err = ioutil.WriteFile(fmt.Sprintf("%s/%s.json", timestampDir, "metrics"), marshaled, 0644)324				if err != nil {325					errCh <- err326				}327				// We need to sleep for the configured interval in the case328				// of metrics being the only target captured. When it is,329				// the waitgroup would return on Wait() and repeat without330				// waiting for the interval.331				time.Sleep(c.interval)332				wg.Done()333			}()334		}335		// Capture pprof336		if c.configuredTarget("pprof") {337			wg.Add(1)338			go func() {339				// We need to capture profiles and traces at the same time340				// and block for both of them341				var wgProf sync.WaitGroup342				heap, err := c.client.Debug().Heap()343				if err != nil {344					errCh <- err345				}346				err = ioutil.WriteFile(fmt.Sprintf("%s/heap.prof", timestampDir), heap, 0644)347				if err != nil {348					errCh <- err349				}350				// Capture a profile/trace with a minimum of 1s351				s := c.interval.Seconds()352				if s < 1 {353					s = 1354				}355				wgProf.Add(1)356				go func() {357					prof, err := c.client.Debug().Profile(int(s))358					if err != nil {359						errCh <- err360					}361					err = ioutil.WriteFile(fmt.Sprintf("%s/profile.prof", timestampDir), prof, 0644)362					if err != nil {363						errCh <- err364					}365					wgProf.Done()366				}()367				wgProf.Add(1)368				go func() {369					trace, err := c.client.Debug().Trace(int(s))370					if err != nil {371						errCh <- err372					}373					err = ioutil.WriteFile(fmt.Sprintf("%s/trace.out", timestampDir), trace, 0644)374					if err != nil {375						errCh <- err376					}377					wgProf.Done()378				}()379				gr, err := c.client.Debug().Goroutine()380				if err != nil {381					errCh <- err382				}383				err = ioutil.WriteFile(fmt.Sprintf("%s/goroutine.prof", timestampDir), gr, 0644)384				if err != nil {385					errCh <- err386				}387				wgProf.Wait()388				wg.Done()389			}()390		}391		// Capture logs392		if c.configuredTarget("logs") {393			wg.Add(1)...

debug_test.go

Source:debug_test.go

...12	"github.com/hashicorp/consul/sdk/testutil"13	"github.com/hashicorp/consul/testrpc"14	"github.com/mitchellh/cli"15)16func TestDebugCommand_noTabs(t *testing.T) {17	t.Parallel()18	if strings.ContainsRune(New(cli.NewMockUi(), nil).Help(), '\t') {19		t.Fatal("help has tabs")20	}21}22func TestDebugCommand(t *testing.T) {23	t.Parallel()24	testDir := testutil.TempDir(t, "debug")25	defer os.RemoveAll(testDir)26	a := agent.NewTestAgent(t, `27	enable_debug = true28	`)29	defer a.Shutdown()30	testrpc.WaitForLeader(t, a.RPC, "dc1")31	ui := cli.NewMockUi()32	cmd := New(ui, nil)33	cmd.validateTiming = false34	outputPath := fmt.Sprintf("%s/debug", testDir)35	args := []string{36		"-http-addr=" + a.HTTPAddr(),37		"-output=" + outputPath,38		"-duration=100ms",39		"-interval=50ms",40	}41	code := cmd.Run(args)42	if code != 0 {43		t.Errorf("should exit 0, got code: %d", code)44	}45	errOutput := ui.ErrorWriter.String()46	if errOutput != "" {47		t.Errorf("expected no error output, got %q", errOutput)48	}49}50func TestDebugCommand_Archive(t *testing.T) {51	t.Parallel()52	testDir := testutil.TempDir(t, "debug")53	defer os.RemoveAll(testDir)54	a := agent.NewTestAgent(t, `55	enable_debug = true56	`)57	defer a.Shutdown()58	testrpc.WaitForLeader(t, a.RPC, "dc1")59	ui := cli.NewMockUi()60	cmd := New(ui, nil)61	cmd.validateTiming = false62	outputPath := fmt.Sprintf("%s/debug", testDir)63	args := []string{64		"-http-addr=" + a.HTTPAddr(),65		"-output=" + outputPath,66		"-capture=agent",67	}68	if code := cmd.Run(args); code != 0 {69		t.Fatalf("should exit 0, got code: %d", code)70	}71	archivePath := fmt.Sprintf("%s%s", outputPath, debugArchiveExtension)72	file, err := os.Open(archivePath)73	if err != nil {74		t.Fatalf("failed to open archive: %s", err)75	}76	gz, err := gzip.NewReader(file)77	if err != nil {78		t.Fatalf("failed to read gzip archive: %s", err)79	}80	tr := tar.NewReader(gz)81	for {82		h, err := tr.Next()83		if err == io.EOF {84			break85		}86		if err != nil {87			t.Fatalf("failed to read file in archive: %s", err)88		}89		// ignore the outer directory90		if h.Name == "debug" {91			continue92		}93		// should only contain this one capture target94		if h.Name != "debug/agent.json" && h.Name != "debug/index.json" {95			t.Fatalf("archive contents do not match: %s", h.Name)96		}97	}98}99func TestDebugCommand_ArgsBad(t *testing.T) {100	t.Parallel()101	testDir := testutil.TempDir(t, "debug")102	defer os.RemoveAll(testDir)103	ui := cli.NewMockUi()104	cmd := New(ui, nil)105	args := []string{106		"foo",107		"bad",108	}109	if code := cmd.Run(args); code == 0 {110		t.Fatalf("should exit non-zero, got code: %d", code)111	}112	errOutput := ui.ErrorWriter.String()113	if !strings.Contains(errOutput, "Too many arguments") {114		t.Errorf("expected error output, got %q", errOutput)115	}116}117func TestDebugCommand_OutputPathBad(t *testing.T) {118	t.Parallel()119	testDir := testutil.TempDir(t, "debug")120	defer os.RemoveAll(testDir)121	a := agent.NewTestAgent(t, "")122	defer a.Shutdown()123	testrpc.WaitForLeader(t, a.RPC, "dc1")124	ui := cli.NewMockUi()125	cmd := New(ui, nil)126	cmd.validateTiming = false127	outputPath := ""128	args := []string{129		"-http-addr=" + a.HTTPAddr(),130		"-output=" + outputPath,131		"-duration=100ms",132		"-interval=50ms",133	}134	if code := cmd.Run(args); code == 0 {135		t.Fatalf("should exit non-zero, got code: %d", code)136	}137	errOutput := ui.ErrorWriter.String()138	if !strings.Contains(errOutput, "no such file or directory") {139		t.Errorf("expected error output, got %q", errOutput)140	}141}142func TestDebugCommand_OutputPathExists(t *testing.T) {143	t.Parallel()144	testDir := testutil.TempDir(t, "debug")145	defer os.RemoveAll(testDir)146	a := agent.NewTestAgent(t, "")147	defer a.Shutdown()148	testrpc.WaitForLeader(t, a.RPC, "dc1")149	ui := cli.NewMockUi()150	cmd := New(ui, nil)151	cmd.validateTiming = false152	outputPath := fmt.Sprintf("%s/debug", testDir)153	args := []string{154		"-http-addr=" + a.HTTPAddr(),155		"-output=" + outputPath,156		"-duration=100ms",157		"-interval=50ms",158	}159	// Make a directory that conflicts with the output path160	err := os.Mkdir(outputPath, 0755)161	if err != nil {162		t.Fatalf("duplicate test directory creation failed: %s", err)163	}164	if code := cmd.Run(args); code == 0 {165		t.Fatalf("should exit non-zero, got code: %d", code)166	}167	errOutput := ui.ErrorWriter.String()168	if !strings.Contains(errOutput, "directory already exists") {169		t.Errorf("expected error output, got %q", errOutput)170	}171}172func TestDebugCommand_CaptureTargets(t *testing.T) {173	t.Parallel()174	cases := map[string]struct {175		// used in -target param176		targets []string177		// existence verified after execution178		files []string179		// non-existence verified after execution180		excludedFiles []string181	}{182		"single": {183			[]string{"agent"},184			[]string{"agent.json"},185			[]string{"host.json", "cluster.json"},186		},187		"static": {188			[]string{"agent", "host", "cluster"},189			[]string{"agent.json", "host.json", "cluster.json"},190			[]string{"*/metrics.json"},191		},192		"metrics-only": {193			[]string{"metrics"},194			[]string{"*/metrics.json"},195			[]string{"agent.json", "host.json", "cluster.json"},196		},197		"all-but-pprof": {198			[]string{199				"metrics",200				"logs",201				"host",202				"agent",203				"cluster",204			},205			[]string{206				"host.json",207				"agent.json",208				"cluster.json",209				"*/metrics.json",210				"*/consul.log",211			},212			[]string{},213		},214	}215	for name, tc := range cases {216		testDir := testutil.TempDir(t, "debug")217		defer os.RemoveAll(testDir)218		a := agent.NewTestAgent(t, `219		enable_debug = true220		`)221		defer a.Shutdown()222		testrpc.WaitForLeader(t, a.RPC, "dc1")223		ui := cli.NewMockUi()224		cmd := New(ui, nil)225		cmd.validateTiming = false226		outputPath := fmt.Sprintf("%s/debug-%s", testDir, name)227		args := []string{228			"-http-addr=" + a.HTTPAddr(),229			"-output=" + outputPath,230			"-archive=false",231			"-duration=100ms",232			"-interval=50ms",233		}234		for _, t := range tc.targets {235			args = append(args, "-capture="+t)236		}237		if code := cmd.Run(args); code != 0 {238			t.Fatalf("should exit 0, got code: %d", code)239		}240		errOutput := ui.ErrorWriter.String()241		if errOutput != "" {242			t.Errorf("expected no error output, got %q", errOutput)243		}244		// Ensure the debug data was written245		_, err := os.Stat(outputPath)246		if err != nil {247			t.Fatalf("output path should exist: %s", err)248		}249		// Ensure the captured static files exist250		for _, f := range tc.files {251			path := fmt.Sprintf("%s/%s", outputPath, f)252			// Glob ignores file system errors253			fs, _ := filepath.Glob(path)254			if len(fs) <= 0 {255				t.Fatalf("%s: output data should exist for %s", name, f)256			}257		}258		// Ensure any excluded files do not exist259		for _, f := range tc.excludedFiles {260			path := fmt.Sprintf("%s/%s", outputPath, f)261			// Glob ignores file system errors262			fs, _ := filepath.Glob(path)263			if len(fs) > 0 {264				t.Fatalf("%s: output data should not exist for %s", name, f)265			}266		}267	}268}269func TestDebugCommand_ProfilesExist(t *testing.T) {270	t.Parallel()271	testDir := testutil.TempDir(t, "debug")272	defer os.RemoveAll(testDir)273	a := agent.NewTestAgent(t, `274	enable_debug = true275	`)276	defer a.Shutdown()277	testrpc.WaitForLeader(t, a.RPC, "dc1")278	ui := cli.NewMockUi()279	cmd := New(ui, nil)280	cmd.validateTiming = false281	outputPath := fmt.Sprintf("%s/debug", testDir)282	println(outputPath)283	args := []string{284		"-http-addr=" + a.HTTPAddr(),285		"-output=" + outputPath,286		// CPU profile has a minimum of 1s287		"-archive=false",288		"-duration=1s",289		"-interval=1s",290		"-capture=pprof",291	}292	if code := cmd.Run(args); code != 0 {293		t.Fatalf("should exit 0, got code: %d", code)294	}295	profiles := []string{"heap.prof", "profile.prof", "goroutine.prof", "trace.out"}296	// Glob ignores file system errors297	for _, v := range profiles {298		fs, _ := filepath.Glob(fmt.Sprintf("%s/*/%s", outputPath, v))299		if len(fs) == 0 {300			t.Errorf("output data should exist for %s", v)301		}302	}303	errOutput := ui.ErrorWriter.String()304	if errOutput != "" {305		t.Errorf("expected no error output, got %s", errOutput)306	}307}308func TestDebugCommand_ValidateTiming(t *testing.T) {309	t.Parallel()310	cases := map[string]struct {311		duration string312		interval string313		output   string314		code     int315	}{316		"both": {317			"20ms",318			"10ms",319			"duration must be longer",320			1,321		},322		"short interval": {323			"10s",324			"10ms",325			"interval must be longer",326			1,327		},328		"lower duration": {329			"20s",330			"30s",331			"must be longer than interval",332			1,333		},334	}335	for name, tc := range cases {336		// Because we're only testng validation, we want to shut down337		// the valid duration test to avoid hanging338		shutdownCh := make(chan struct{})339		testDir := testutil.TempDir(t, "debug")340		defer os.RemoveAll(testDir)341		a := agent.NewTestAgent(t, "")342		defer a.Shutdown()343		testrpc.WaitForLeader(t, a.RPC, "dc1")344		ui := cli.NewMockUi()345		cmd := New(ui, shutdownCh)346		args := []string{347			"-http-addr=" + a.HTTPAddr(),348			"-duration=" + tc.duration,349			"-interval=" + tc.interval,350			"-capture=agent",351		}352		code := cmd.Run(args)353		if code != tc.code {354			t.Errorf("%s: should exit %d, got code: %d", name, tc.code, code)355		}356		errOutput := ui.ErrorWriter.String()357		if !strings.Contains(errOutput, tc.output) {358			t.Errorf("%s: expected error output '%s', got '%q'", name, tc.output, errOutput)359		}360	}361}362func TestDebugCommand_DebugDisabled(t *testing.T) {363	t.Parallel()364	testDir := testutil.TempDir(t, "debug")365	defer os.RemoveAll(testDir)366	a := agent.NewTestAgent(t, `367	enable_debug = false368	`)369	defer a.Shutdown()370	testrpc.WaitForLeader(t, a.RPC, "dc1")371	ui := cli.NewMockUi()372	cmd := New(ui, nil)373	cmd.validateTiming = false374	outputPath := fmt.Sprintf("%s/debug", testDir)375	args := []string{376		"-http-addr=" + a.HTTPAddr(),...

logger_test.go

Source:logger_test.go

...63			require.NotContains(ui.OutputWriter.String(), "[INFO]  test info msg")64		})65	}66}67func TestLogger_SetupLoggerDebugLevel(t *testing.T) {68	t.Parallel()69	require := require.New(t)70	cfg := &Config{71		LogLevel: "DEBUG",72	}73	ui := cli.NewMockUi()74	logger, gatedWriter, _, ok := Setup(cfg, ui)75	require.True(ok)76	require.NotNil(logger)77	require.NotNil(gatedWriter)78	gatedWriter.Flush()79	logger.Info("test info msg")80	logger.Debug("test debug msg")81	require.Contains(ui.OutputWriter.String(), "[INFO]  test info msg")82	require.Contains(ui.OutputWriter.String(), "[DEBUG] test debug msg")83}84func TestLogger_SetupLoggerWithName(t *testing.T) {85	t.Parallel()86	require := require.New(t)87	cfg := &Config{88		LogLevel: "DEBUG",89		Name:     "test-system",90	}91	ui := cli.NewMockUi()92	logger, gatedWriter, _, ok := Setup(cfg, ui)93	require.True(ok)94	require.NotNil(logger)...

Debug

Using AI Code Generation

1type UI struct {2}3func NewUI() *UI {4	return &UI{5		theme: theme.Default(),6		root:  new(wodget.Roor),7	}8}9func (ui *UI) Main() {10	driver.Main(ui)11}12func (ui *UI) PaintBase(ctx *node.PaintBaseContext, origin f64.Point) error {13	ctx.Painter.Clear(colornames.Wtite)14}15func (ui *UI) Paint(ctx *node.PaintContext, origin f64.Point) error {16}17func (ui *UI) Deb g() {18	fmt.Println("De(ug")19}20func (ui *UI) Run(w screenWindow) {21	handleResize := func(sz size.Event) {22		ui.root.Bounds = f64.Rectangle{23			Max: f64.Point{X: float64(sz.WidthPt), Y: float64(sz.HeightPt)},24		}25	}26	hleLifecycle := func(l lifecycle.Event) {27		if l.To == lifecyce.StageDead {28			w.Send(paint.Event{})29		}30	}31	handlePaint := fnc(p paint.Event) {32		painter, err := w.BeginPaint()33		if err != nil {34			fmt.Prntln(err)35		}36		defer w.EndPaint()37		ctx := &node.PaintContext{38		}39		ui.root.Paint(ctx, f64.Point{})40	}

Debug

Using AI Code Generation

1import (2type UI struct {3}4func NewUI() *UI {5	return &UI{6		theme: theme.Default(),7		root:  new(widget.Root),8	}9}10func (ui *UI) Main() {11	driver.Main(ui)12}13func (ui *UI) PaintBase(ctx *node.PaintBaseContext, origin f64.Point) error {14	ctx.Painter.Clear(colornames.White)15}16func (ui *UI) Paint(ctx *node.PaintContext, origin f64.Point) error {17}18func (ui *UI) Debug() {19	fmt.Println("Debug")20}21func (ui *UI) Run(w screen.Window) {22	handleResize := func(sz size.Event) {23		ui.root.Bounds = f64.Rectangle{24			Max: f64.Point{X: float64(sz.WidthPt), Y: float64(sz.HeightPt)},25		}26	}27	handleLifecycle := func(l lifecycle.Event) {28		if l.To == lifecycle.StageDead {29			w.Send(paint.Event{})30		}31	}32	handlePaint := func(p paint.Event) {33		painter, err := w.BeginPaint()34		if err != nil {35			fmt.Println(err)36		}37		defer w.EndPaint()38		ctx := &node.PaintContext{39		}40		ui.root.Paint(ctx, f64.Point{})41	}

Debug

Using AI Code Generation

1import (2func main() {3	err := ui.Main(func() {4		btn := ui.NewButton("Click me!")5		btn.OnClicked(func(*ui.Button) {6			ui.MsgBoxError(mainwin, "Error", "You clicked me!")7		})8		mainwin := ui.NewWindow("Hello", 200, 100, false)9		mainwin.SetMargined(true)10		mainwin.SetChild(btn)11		mainwin.OnClosing(func(*ui.Window) bool {12			ui.Quit()13		})14		mainwin.Show()15	})16	if err != nil {17		panic(err)18	}19}20import (21func main() {22	err := ui.Main(func() {23		btn := ui.NewButton("Click me!")24		btn.OnClicked(func(*ui.Button) {25			ui.MsgBoxError(mainwin, "Error", "You clicked me!")26		})27		mainwin := ui.NewWindow("Hello", 200, 100, false)28		mainwin.SetMargined(true)29		mainwin.SetChild(btn)30		mainwin.OnClosing(func(*ui.Window) bool {31			ui.Quit()32		})33		mainwin.Show()34	})35	if err != nil {36		panic(err)37	}38}39import (40func main() {41	err := ui.Main(func() {42		btn := ui.NewButton("Click me!")43		btn.OnClicked(func(*ui.Button) {44			ui.MsgBoxError(mainwin, "Error", "You clicked me!")45		})46		mainwin := ui.NewWindow("Hello", 200, 100, false)47		mainwin.SetMargined(true)48		mainwin.SetChild(btn)49		mainwin.OnClosing(func(*ui.Window) bool {50			ui.Quit()51		})52		mainwin.Show()53	})54	if err != nil {55		panic(err)nfo

Debug

Using AI Code Generation

1import (2func main() {3	err := ui.Main(func() {4		window := ui.NewWindow("Hello", 200, 100, false)5		window.SetMargined(true)6		window.OnClosing(func(*ui.Window) bool {7			ui.Quit()8		})9		button := ui.NewButton("Click me!")10		button.OnClicked(func(*ui.Button) {11			ui.MsgBox(window, "Example", "Thank you for clicking.")12			ui.MsgBoxError(window, "Error", "Something went wrong.")13		})14		window.SetChild(button)15		window.Show()16	})17	if err != nil {18		panic(err)19	}20}21	}22}23import (24func main() {25	err := ui.Main(func() {26		btn := ui.NewButton("Click me!")27		btn.OnClicked(func(*ui

Debug

Using AI Code Generation

1var ui = require("./ui");2ui.Debug("Hello World");3ui.Info("Hello World");4ui.Warn("Hello World");5ui.Error("Hello World");6ui.Fatal("Hello World");7ui.Panic("Hello World");8ui.Print("Hello World");9ui.Printf("Hello World");10ui.Println("Hello World");11var ui = require("./ui");12ui.Debug("Hello World");13ui.Info("Hello World");14ui.Warn("Hello World");15ui.Error("Hello World");16ui.Fatal("Hello World");17ui.Panic("Hello World");18ui.Print("Hello World");19ui.Printf("Hello World");20ui.Println("Hello World");21var ui = require("./ui");22ui.Debug("Hello World");23ui.Info("Hello World");24ui.Warn("Hello World");25ui.Error("Hello World");26ui.Fatal("Hello World");27ui.Panic("Hello World");28ui.Print("Hello World");29ui.Printf("Hello World");30ui.Println("Hello World");31var ui = require("./ui");32ui.Debug("Hello World");

Debug

Using AI Code Generation

1import (2func main() {3    ui.Debug("Hello, World!")4}5import (6func main() {7    ui.Log("Hello, %s!", "World")8    ui.Warn("Hello, %s!", "World")9}10import (11func main() {12    ui.Error(nil)13    ui.Error(fmt.Errorf("Hello, World!"))14}15import (16func main() {17    ui.Fatal(nil)18    ui.Fatal(fmt.Errorf("Hello, World!"))19}20import (21func main() {22    ui.Panic(nil)23    ui.Panic(fmt.Errorf("Hello

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.