Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use HostPlaywright method of launcher Package

Best Rod code snippet using launcher.HostPlaywright

browser.go

Source:browser.go

...48		revision,49		hostConf.zipName,50	)51}52// HostPlaywright to download browser53func HostPlaywright(revision int) string {54	rev := RevisionPlaywright55	if !(runtime.GOOS == "linux" && runtime.GOARCH == "arm64") {56		rev = revision57	}58	return fmt.Sprintf(59		"https://playwright.azureedge.net/builds/chromium/%d/chromium-linux-arm64.zip",60		rev,61	)62}63// DefaultBrowserDir for downloaded browser. For unix is "$HOME/.cache/rod/browser",64// for Windows it's "%APPDATA%\rod\browser"65var DefaultBrowserDir = filepath.Join(map[string]string{66	"windows": filepath.Join(os.Getenv("APPDATA")),67	"darwin":  filepath.Join(os.Getenv("HOME"), ".cache"),68	"linux":   filepath.Join(os.Getenv("HOME"), ".cache"),69}[runtime.GOOS], "rod", "browser")70// Browser is a helper to download browser smartly71type Browser struct {72	Context context.Context73	// Hosts are the candidates to download the browser.74	Hosts []Host75	// Revision of the browser to use76	Revision int77	// Dir to download browser.78	Dir string79	// Log to print output80	Logger utils.Logger81	// LockPort a tcp port to prevent race downloading. Default is 2968 .82	LockPort int83}84// NewBrowser with default values85func NewBrowser() *Browser {86	return &Browser{87		Context:  context.Background(),88		Revision: RevisionDefault,89		Hosts:    []Host{HostGoogle, HostNPM, HostPlaywright},90		Dir:      DefaultBrowserDir,91		Logger:   log.New(os.Stdout, "[launcher.Browser]", log.LstdFlags),92		LockPort: defaults.LockPort,93	}94}95// Destination of the downloaded browser executable96func (lc *Browser) Destination() string {97	bin := map[string]string{98		"darwin":  fmt.Sprintf("chromium-%d/chrome-mac/Chromium.app/Contents/MacOS/Chromium", lc.Revision),99		"linux":   fmt.Sprintf("chromium-%d/chrome-linux/chrome", lc.Revision),100		"windows": fmt.Sprintf("chromium-%d/chrome-win/chrome.exe", lc.Revision),101	}[runtime.GOOS]102	return filepath.Join(lc.Dir, bin)103}...

launcher_test.go

Source:launcher_test.go

...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"})...

HostPlaywright

Using AI Code Generation

1import (2func main() {3	pw, err := playwright.Run()4	if err != nil {5		log.Fatalf("could not start playwright: %v", err)6	}7	defer pw.Stop()8	browser, err := pw.Chromium.Launch()9	if err != nil {10		log.Fatalf("could not launch browser: %v", err)11	}12	defer browser.Close()13	page, err := browser.NewPage()14	if err != nil {15		log.Fatalf("could not create page: %v", err)16	}17		log.Fatalf("could not goto: %v", err)18	}19	title, err := page.EvalOnSelector("text=Get started", "node => node.textContent")20	if err != nil {21		log.Fatalf("could not get text content: %v", err)22	}23	fmt.Println(title)24}25import (26func main() {27	pw, err := playwright.Run()28	if err != nil {29		log.Fatalf("could not start playwright: %v", err)30	}31	defer pw.Stop()32	browserServer, err := pw.Chromium.LaunchServer()33	if err != nil {34		log.Fatalf("could not launch browser: %v", err)35	}36	defer browserServer.Close()37	browser, err := browserServer.Connect()38	if err != nil {39		log.Fatalf("could not connect to browser: %v", err)40	}41	defer browser.Close()42	page, err := browser.NewPage()43	if err != nil {44		log.Fatalf("could not create page: %v", err)45	}46		log.Fatalf("could not goto: %v", err)47	}48	title, err := page.EvalOnSelector("text=

HostPlaywright

Using AI Code Generation

1import (2func main() {3	launch, _ := playwright.Run()4	browser, _ := launch.Chromium.Launch()5	page, _ := browser.NewPage()6	_ = page.Screenshot(playwright.PageScreenshotOptions{Path: "example.png"})7	_ = browser.Close()8	_ = launch.Stop()9	fmt.Println("Done")10}11import (12func main() {13	launch, _ := playwright.Run()14	browser, _ := launch.Firefox.Launch()15	page, _ := browser.NewPage()16	_ = page.Screenshot(playwright.PageScreenshotOptions{Path: "example.png"})17	_ = browser.Close()18	_ = launch.Stop()19	fmt.Println("Done")20}21import (22func main() {23	launch, _ := playwright.Run()24	browser, _ := launch.Webkit.Launch()25	page, _ := browser.NewPage()26	_ = page.Screenshot(playwright.PageScreenshotOptions{Path: "example.png"})27	_ = browser.Close()28	_ = launch.Stop()29	fmt.Println("Done")30}31import (32func main() {33	launch, _ := playwright.Run()34	browser, _ := launch.Chromium.Launch()35	page, _ := browser.NewPage()36	_ = page.Screenshot(playwright.PageScreenshotOptions{Path: "example.png"})37	_ = browser.Close()38	_ = launch.Stop()39	fmt.Println("Done")40}41import (

HostPlaywright

Using AI Code Generation

1import (2func main() {3	pw, err := playwright.Run()4	if err != nil {5		log.Fatalf("could not launch playwright: %v", err)6	}7	browser, err := pw.Chromium.Launch()8	if err != nil {9		log.Fatalf("could not launch browser: %v", err)10	}11	defer browser.Close()12	page, err := browser.NewPage()13	if err != nil {14		log.Fatalf("could not create page: %v", err)15	}16		log.Fatalf("could not navigate: %v", err)17	}18	if err := page.Screenshot(playwright.PageScreenshotOptions{Path: playwright.String("screenshot.png")}); err != nil {19		log.Fatalf("could not take screenshot: %v", err)20	}21	title, err := page.Title()22	if err != nil {23		log.Fatalf("could not get page title: %v", err)24	}25	fmt.Printf("Page title: %s26	url, err := page.URL()27	if err != nil {28		log.Fatalf("could not get page URL: %v", err)29	}30	fmt.Printf("Page URL: %s31	content, err := page.Content()32	if err != nil {33		log.Fatalf("could not get page content: %v", err)34	}35	fmt.Printf("Page content: %s36	if _, err := page.Click("text=Get started"); err != nil {37		log.Fatalf("could not click element: %v", err)38	}39}40import (41func main() {42	pw, err := playwright.Run()43	if err != nil {44		log.Fatalf("could not launch playwright

HostPlaywright

Using AI Code Generation

1import (2func main() {3	p, err := playwright.Run()4	if err != nil {5		panic(err)6	}7	browser, err := p.Chromium.Launch()8	if err != nil {9		panic(err)10	}11	page, err := browser.NewPage()12	if err != nil {13		panic(err)14	}15	if err != nil {16		panic(err)17	}18	_, err = page.Screenshot(playwright.PageScreenshotOptions{19		Path: playwright.String("example.png"),20	})21	if err != nil {22		panic(err)23	}24	fmt.Println("Screenshot taken")25}26import (27func main() {28	p, err := playwright.Run()29	if err != nil {30		panic(err)31	}32	browser, err := p.Chromium.Launch()33	if err != nil {34		panic(err)35	}36	page, err := browser.NewPage()37	if err != nil {38		panic(err)39	}40	if err != nil {41		panic(err)42	}43	_, err = page.Screenshot(playwright.PageScreenshotOptions{44		Path: playwright.String("example.png"),45	})46	if err != nil {47		panic(err)48	}49	fmt.Println("Screenshot taken")50}51import (52func main() {53	p, err := playwright.Run()54	if err != nil {55		panic(err)56	}57	browser, err := p.Chromium.Launch()58	if err != nil {59		panic(err)60	}

HostPlaywright

Using AI Code Generation

1import (2func main() {3	launcher, err := playwright.Run()4	if err != nil {5		panic(err)6	}7	browser, err := launcher.Launch()8	if err != nil {9		panic(err)10	}11	page, err := browser.NewPage()12	if err != nil {13		panic(err)14	}15	if err != nil {16		panic(err)17	}18	err = page.Screenshot(playwright.PageScreenshotOptions{19		Path: playwright.String("example.png"),20	})21	if err != nil {22		panic(err)23	}24	err = browser.Close()25	if err != nil {26		panic(err)27	}28	err = launcher.Stop()29	if err != nil {30		panic(err)31	}32	fmt.Println("Done")33}34import (35func main() {36	launcher, err := playwright.Run()37	if err != nil {38		panic(err)39	}40	browser, err := launcher.Launch()41	if err != nil {42		panic(err)43	}44	page, err := browser.NewPage()45	if err != nil {46		panic(err)47	}48	if err != nil {49		panic(err)50	}51	err = page.Screenshot(playwright.PageScreenshotOptions{52		Path: playwright.String("example.png"),53	})54	if err != nil {55		panic(err)56	}57	err = browser.Close()58	if err != nil {59		panic(err)60	}61	err = launcher.Stop()62	if err != nil {63		panic(err)64	}65	fmt.Println("Done")66}67import (

HostPlaywright

Using AI Code Generation

1import (2func main() {3	launcher, err := playwright.Chromium.Launcher()4	if err != nil {5		fmt.Println("Error while creating launcher")6	}7	browser, err := launcher.Headless(false).Launch()8	if err != nil {9		fmt.Println("Error while launching browser")10	}11	page, err := browser.NewPage()12	if err != nil {13		fmt.Println("Error while creating page")14	}15	if err != nil {16		fmt.Println("Error while navigating to URL")17	}18	err = browser.Close()19	if err != nil {20		fmt.Println("Error while closing browser")21	}22}23import (24func main() {25	launcher, err := playwright.Chromium.Launcher()26	if err != nil {27		fmt.Println("Error while creating launcher")28	}29	browser, err := launcher.Headless(false).Launch()30	if err != nil {31		fmt.Println("Error while launching browser")32	}33	page, err := browser.NewPage()34	if err != nil {35		fmt.Println("Error while creating page")36	}37	if err != nil {38		fmt.Println("Error while navigating to URL")39	}40	err = browser.Close()41	if err != nil {42		fmt.Println("Error while closing browser")43	}44}45import (46func main() {47	launcher, err := playwright.Chromium.Launcher()48	if err != nil {

HostPlaywright

Using AI Code Generation

1import (2func main() {3	pw, _ := playwright.Run()4	browser, _ := pw.Chromium.Launch()5	page, _ := browser.NewPage()6	browser.Close()7	pw.Stop()8}9import (10func main() {11	pw, _ := playwright.Run()12	browser, _ := pw.Firefox.Launch()13	page, _ := browser.NewPage()14	browser.Close()15	pw.Stop()16}17import (18func main() {19	pw, _ := playwright.Run()20	browser, _ := pw.Webkit.Launch()21	page, _ := browser.NewPage()22	browser.Close()23	pw.Stop()24}25import (26func main() {27	pw, _ := playwright.Run()28	browser, _ := pw.Chromium.Launch()29	page, _ := browser.NewPage()30	browser.Close()31	pw.Stop()32}

HostPlaywright

Using AI Code Generation

1import (2func main() {3    playwright.Run(func(ctx context.Context) error {4        browser, err := playwright.Chromium.Launch(ctx)5        if err != nil {6        }7        page, err := browser.NewPage(ctx)8        if err != nil {9        }10        if err != nil {11        }12        err = page.Screenshot(ctx, &playwright.PageScreenshotOptions{13            Path: playwright.String("example.png"),14        })15        if err != nil {16        }17    })18}

HostPlaywright

Using AI Code Generation

1import (2func main(){3	launch, _ := playwright.Run()4	browser, _ := launch.Chromium.Launch()5	page, _ := browser.NewPage()6	title, _ := page.Title()7	fmt.Println(title)8	browser.Close()9	launch.Stop()10}

HostPlaywright

Using AI Code Generation

1import (2func main() {3	pw, err := playwright.Run()4	if err != nil {5		panic(err)6	}7	defer pw.Stop()8	browser, err := pw.Chromium.Launch()9	if err != nil {10		panic(err)11	}12	defer browser.Close()13	page, err := browser.NewPage()14	if err != nil {15		panic(err)16	}17		panic(err)18	}19	title, err := page.Title()20	if err != nil {21		panic(err)22	}23	fmt.Println("Page title:", title)24	if _, err := page.Fill("input[aria-label='Search']", "Playwright"); err != nil {25		panic(err)26	}27	if _, err := page.Click("input[value='Google Search']"); err != nil {28		panic(err)29	}30	if _, err := page.WaitForLoadState("networkidle"); err != nil {31		panic(err)32	}33	if err := page.Screenshot(playwright.PageScreenshotOptions{34		Path: playwright.String("example.png"),35	}); err != nil {36		panic(err)37	}38}

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.