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How to use Has method of launcher Package

Best Rod code snippet using launcher.Has

launcher.go

Source:launcher.go

...148		return list[0]149	}150	return ""151}152// Has flag or not153func (l *Launcher) Has(name flags.Flag) bool {154	_, has := l.GetFlags(name)155	return has156}157// GetFlags from settings158func (l *Launcher) GetFlags(name flags.Flag) ([]string, bool) {159	flag, has := l.Flags[l.normalizeFlag(name)]160	return flag, has161}162// Append values to the flag163func (l *Launcher) Append(name flags.Flag, values ...string) *Launcher {164	flags, has := l.GetFlags(name)165	if !has {166		flags = []string{}167	}168	return l.Set(name, append(flags, values...)...)169}170// Delete a flag171func (l *Launcher) Delete(name flags.Flag) *Launcher {172	delete(l.Flags, l.normalizeFlag(name))173	return l174}175// Bin of the browser binary path to launch, if the path is not empty the auto download will be disabled176func (l *Launcher) Bin(path string) *Launcher {177	return l.Set(flags.Bin, path)178}179// Revision of the browser to auto download180func (l *Launcher) Revision(rev int) *Launcher {181	l.browser.Revision = rev182	return l183}184// Headless switch. Whether to run browser in headless mode. A mode without visible UI.185func (l *Launcher) Headless(enable bool) *Launcher {186	if enable {187		return l.Set(flags.Headless)188	}189	return l.Delete(flags.Headless)190}191// NoSandbox switch. Whether to run browser in no-sandbox mode.192// Linux users may face "running as root without --no-sandbox is not supported" in some Linux/Chrome combinations. This function helps switch mode easily.193// Be aware disabling sandbox is not trivial. Use at your own risk.194// Related doc: https://bugs.chromium.org/p/chromium/issues/detail?id=638180195func (l *Launcher) NoSandbox(enable bool) *Launcher {196	if enable {197		return l.Set(flags.NoSandbox)198	}199	return l.Delete(flags.NoSandbox)200}201// XVFB enables to run browser in by XVFB. Useful when you want to run headful mode on linux.202func (l *Launcher) XVFB(args ...string) *Launcher {203	return l.Set(flags.XVFB, args...)204}205// Leakless switch. If enabled, the browser will be force killed after the Go process exits.206// The doc of leakless: https://github.com/ysmood/leakless.207func (l *Launcher) Leakless(enable bool) *Launcher {208	if enable {209		return l.Set(flags.Leakless)210	}211	return l.Delete(flags.Leakless)212}213// Devtools switch to auto open devtools for each tab214func (l *Launcher) Devtools(autoOpenForTabs bool) *Launcher {215	if autoOpenForTabs {216		return l.Set("auto-open-devtools-for-tabs")217	}218	return l.Delete("auto-open-devtools-for-tabs")219}220// UserDataDir is where the browser will look for all of its state, such as cookie and cache.221// When set to empty, browser will use current OS home dir.222// Related doc: https://chromium.googlesource.com/chromium/src/+/master/docs/user_data_dir.md223func (l *Launcher) UserDataDir(dir string) *Launcher {224	if dir == "" {225		l.Delete(flags.UserDataDir)226	} else {227		l.Set(flags.UserDataDir, dir)228	}229	return l230}231// ProfileDir is the browser profile the browser will use.232// When set to empty, the profile 'Default' is used.233// Related article: https://superuser.com/a/377195234func (l *Launcher) ProfileDir(dir string) *Launcher {235	if dir == "" {236		l.Delete("profile-directory")237	} else {238		l.Set("profile-directory", dir)239	}240	return l241}242// RemoteDebuggingPort to launch the browser. Zero for a random port. Zero is the default value.243// If it's not zero and the Launcher.Leakless is disabled, the launcher will try to reconnect to it first,244// if the reconnection fails it will launch a new browser.245func (l *Launcher) RemoteDebuggingPort(port int) *Launcher {246	return l.Set(flags.RemoteDebuggingPort, fmt.Sprintf("%d", port))247}248// Proxy switch. When disabled leakless will be disabled.249func (l *Launcher) Proxy(host string) *Launcher {250	return l.Set(flags.ProxyServer, host)251}252// WorkingDir to launch the browser process.253func (l *Launcher) WorkingDir(path string) *Launcher {254	return l.Set(flags.WorkingDir, path)255}256// Env to launch the browser process. The default value is os.Environ().257// Usually you use it to set the timezone env. Such as:258//     Env(append(os.Environ(), "TZ=Asia/Tokyo")...)259func (l *Launcher) Env(env ...string) *Launcher {260	return l.Set(flags.Env, env...)261}262// StartURL to launch263func (l *Launcher) StartURL(u string) *Launcher {264	return l.Set("", u)265}266// FormatArgs returns the formated arg list for cli267func (l *Launcher) FormatArgs() []string {268	execArgs := []string{}269	for k, v := range l.Flags {270		if k == flags.Arguments {271			continue272		}273		if strings.HasPrefix(string(k), "rod-") {274			continue275		}276		// fix a bug of chrome, if path is not absolute chrome will hang277		if k == flags.UserDataDir {278			abs, err := filepath.Abs(v[0])279			utils.E(err)280			v[0] = abs281		}282		str := "--" + string(k)283		if v != nil {284			str += "=" + strings.Join(v, ",")285		}286		execArgs = append(execArgs, str)287	}288	execArgs = append(execArgs, l.Flags[flags.Arguments]...)289	sort.Strings(execArgs)290	return execArgs291}292// Logger to handle stdout and stderr from browser.293// For example, pipe all browser output to stdout: launcher.New().Logger(os.Stdout)294func (l *Launcher) Logger(w io.Writer) *Launcher {295	l.logger = w296	return l297}298// MustLaunch is similar to Launch299func (l *Launcher) MustLaunch() string {300	u, err := l.Launch()301	utils.E(err)302	return u303}304// Launch a standalone temp browser instance and returns the debug url.305// bin and profileDir are optional, set them to empty to use the default values.306// If you want to reuse sessions, such as cookies, set the UserDataDir to the same location.307func (l *Launcher) Launch() (string, error) {308	defer l.ctxCancel()309	bin, err := l.getBin()310	if err != nil {311		return "", err312	}313	var ll *leakless.Launcher314	var cmd *exec.Cmd315	if l.Has(flags.Leakless) && leakless.Support() {316		ll = leakless.New()317		cmd = ll.Command(bin, l.FormatArgs()...)318	} else {319		port := l.Get(flags.RemoteDebuggingPort)320		u, err := ResolveURL(port)321		if err == nil {322			return u, nil323		}324		cmd = exec.Command(bin, l.FormatArgs()...)325	}326	l.setupCmd(cmd)327	err = cmd.Start()328	if err != nil {329		return "", err...

launcher_test.go

Source:launcher_test.go

...21)22var setup = got.Setup(nil)23func TestDownloadHosts(t *testing.T) {24	g := setup(t)25	g.Has(launcher.HostGoogle(launcher.RevisionDefault), "https://storage.googleapis.com/chromium-browser-snapshots")26	g.Has(launcher.HostNPM(launcher.RevisionDefault), "https://registry.npmmirror.com/-/binary/chromium-browser-snapshots")27	g.Has(launcher.HostPlaywright(launcher.RevisionDefault), "https://playwright.azureedge.net/")28}29func TestDownload(t *testing.T) {30	g := setup(t)31	s := g.Serve()32	s.Mux.HandleFunc("/fast/", func(rw http.ResponseWriter, r *http.Request) {33		buf := bytes.NewBuffer(nil)34		zw := zip.NewWriter(buf)35		// folder "to"36		h := &zip.FileHeader{Name: "to/"}37		h.SetMode(0755)38		_, err := zw.CreateHeader(h)39		g.E(err)40		// file "file.txt"41		w, err := zw.CreateHeader(&zip.FileHeader{Name: "to/file.txt"})42		g.E(err)43		b := []byte(g.RandStr(2 * 1024 * 1024))44		g.E(w.Write(b))45		g.E(zw.Close())46		rw.Header().Add("Content-Length", fmt.Sprintf("%d", buf.Len()))47		_, _ = io.Copy(rw, buf)48	})49	s.Mux.HandleFunc("/slow/", func(rw http.ResponseWriter, r *http.Request) {50		t := time.NewTimer(3 * time.Second)51		select {52		case <-t.C:53		case <-r.Context().Done():54			t.Stop()55		}56	})57	b, cancel := newBrowser()58	b.Logger = utils.LoggerQuiet59	defer cancel()60	b.Hosts = []launcher.Host{launcher.HostTest(s.URL("/slow")), launcher.HostTest(s.URL("/fast"))}61	b.Dir = filepath.Join("tmp", "browser-from-mirror", g.RandStr(16))62	g.E(b.Download())63	g.Nil(os.Stat(b.Dir))64}65func TestBrowserGet(t *testing.T) {66	g := setup(t)67	g.Nil(os.Stat(launcher.NewBrowser().MustGet()))68	b := launcher.NewBrowser()69	b.Revision = 070	b.Logger = utils.LoggerQuiet71	_, err := b.Get()72	g.Eq(err.Error(), "Can't find a browser binary for your OS, the doc might help https://go-rod.github.io/#/compatibility?id=os")73}74func TestLaunch(t *testing.T) {75	g := setup(t)76	defaults.Proxy = "test.com"77	defer func() { defaults.ResetWith("") }()78	l := launcher.New()79	defer l.Kill()80	u := l.MustLaunch()81	g.Regex(`\Aws://.+\z`, u)82	parsed, _ := url.Parse(u)83	{ // test GetWebSocketDebuggerURL84		for _, prefix := range []string{"", ":", "127.0.0.1:", "ws://127.0.0.1:"} {85			u2 := launcher.MustResolveURL(prefix + parsed.Port())86			g.Regex(u, u2)87		}88		_, err := launcher.ResolveURL("")89		g.Err(err)90	}91	{92		_, err := launcher.NewManaged("")93		g.Err(err)94		_, err = launcher.NewManaged("1://")95		g.Err(err)96		_, err = launcher.NewManaged("ws://not-exists")97		g.Err(err)98	}99	{100		g.Panic(func() { launcher.New().Set("a=b") })101	}102}103func TestLaunchUserMode(t *testing.T) {104	g := setup(t)105	l := launcher.NewUserMode()106	defer l.Kill()107	l.Kill() // empty kill should do nothing108	has := l.Has("not-exists")109	g.False(has)110	l.Append("test-append", "a")111	f := l.Get("test-append")112	g.Eq("a", f)113	dir := l.Get(flags.UserDataDir)114	port := 58472115	l = l.Context(g.Context()).Delete("test").Bin("").116		Revision(launcher.RevisionDefault).117		Logger(ioutil.Discard).118		Leakless(false).Leakless(true).119		Headless(false).Headless(true).RemoteDebuggingPort(port).120		NoSandbox(true).NoSandbox(false).121		Devtools(true).Devtools(false).122		StartURL("about:blank")....

Has

Using AI Code Generation

1import (2func main() {3	auth, err := aws.EnvAuth()4	if err != nil {5		panic(err)6	}7	client := s3.New(auth, aws.USEast)8	bucket := client.Bucket("test-bucket")9	if bucket == nil {10		fmt.Println("bucket is nil")11	}12	if bucket != nil {13		fmt.Println("bucket is not nil")14	}15	exists, err := bucket.Exists("example.txt")16	if err != nil {17		fmt.Println("error while checking existence of file:", err)18	}19	if exists {

Has

Using AI Code Generation

1import (2func main() {3        mc := memcache.New("localhost:11211")4        mc.Set(&memcache.Item{Key: "my-key", Value: []byte("my value")})5        item, err := mc.Get("my-key")6        if err != nil {7                panic(err)8        }9        fmt.Printf("Item value: %s10        mc.Delete("my-key")11        item, err = mc.Get("my-key")12        if err != nil {13                fmt.Printf("Item not found: %s14        }15}

Has

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, playground")4    l := launcher{map[string]bool{"a": true, "b": true, "c": true}}5    fmt.Println(l.Has("a"))6    fmt.Println(l.Has("d"))7}8import "fmt"9func main() {10    fmt.Println("Hello, playground")11    l := launcher{map[string]bool{"a": true, "b": true, "c": true}}12    fmt.Println(l.Has("a"))13    fmt.Println(l.Has("d"))14}15import "fmt"16func main() {17    fmt.Println("Hello, playground")18    l := launcher{map[string]bool{"a": true, "b": true, "c": true}}19    fmt.Println(l.Has("a"))20    fmt.Println(l.Has("d"))21}22import "fmt"23func main() {24    fmt.Println("Hello, playground")25    l := launcher{map[string]bool{"a": true, "b": true, "c": true}}26    fmt.Println(l.Has("a"))27    fmt.Println(l.Has("d"))28}29import "fmt"30func main() {31    fmt.Println("Hello, playground")32    l := launcher{map[string]bool{"a": true, "b": true, "c": true}}33    fmt.Println(l.Has("a"))34    fmt.Println(l.Has("d"))35}36import "fmt"37func main() {38    fmt.Println("Hello, playground")39    l := launcher{map[string]bool{"a": true, "b": true, "c": true}}40    fmt.Println(l.Has("a"))41    fmt.Println(l.Has("d"))42}43import "fmt"44func main() {45    fmt.Println("Hello, playground")46    l := launcher{map[string]bool{"a": true, "b": true, "c": true}}

Has

Using AI Code Generation

1import (2func main() {3	l := launcher.New()4	if l.Has("weapon") {5		l.Fire("weapon")6	} else {7		fmt.Println("No weapon available")8	}9}10Add(name string, weapon func())11import (12func main() {13	l := launcher.New()14	l.Add("weapon", func() {15		fmt.Println("Firing weapon")16	})17	if l.Has("weapon") {18		l.Fire("weapon")19	} else {20		fmt.Println("No weapon available")21	}22}23Fire(name string)24import (

Has

Using AI Code Generation

1import (2func main() {3 fmt.Println("start")4 l := launcher.New()5 fmt.Println("Has: ", l.Has("firefox"))6}

Has

Using AI Code Generation

1import (2func main() {3    ldClient, _ := ld.MakeClient("sdk-9d6e0c6f-6c2b-4a3f-8d3e-3c6c9d6e0c6f", 5)4    user := ld.NewUser("userkey")5    showFeature, _ := ldClient.BoolVariation("new-feature", user, false)6    if showFeature {7        fmt.Println("Showing your feature to this user")8    } else {9        fmt.Println("Not showing your feature to this user")10    }11}

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