How to use HTML method of rod Package

Best Rod code snippet using rod.HTML

query_test.go

Source:query_test.go

1package rod_test2import (3	"context"4	"errors"5	"testing"6	"time"7	"github.com/go-rod/rod"8	"github.com/go-rod/rod/lib/cdp"9	"github.com/go-rod/rod/lib/defaults"10	"github.com/go-rod/rod/lib/proto"11	"github.com/go-rod/rod/lib/utils"12	"github.com/ysmood/gson"13)14func TestPageElements(t *testing.T) {15	g := setup(t)16	g.page.MustNavigate(g.srcFile("fixtures/input.html"))17	g.page.MustElement("input")18	list := g.page.MustElements("input")19	g.Eq("input", list.First().MustDescribe().LocalName)20	g.Eq("submit", list.Last().MustText())21}22func TestPagesQuery(t *testing.T) {23	g := setup(t)24	b := g.browser25	b.MustPage(g.srcFile("fixtures/click.html")).MustWaitLoad()26	pages := b.MustPages()27	g.True(pages.MustFind("button").MustHas("button"))28	g.Panic(func() { rod.Pages{}.MustFind("____") })29	g.True(pages.MustFindByURL("click.html").MustHas("button"))30	g.Panic(func() { rod.Pages{}.MustFindByURL("____") })31	_, err := pages.Find("____")32	g.Err(err)33	g.Eq(err.Error(), "cannot find page")34	g.Panic(func() {35		pages.MustFindByURL("____")36	})37	g.Panic(func() {38		g.mc.stubErr(1, proto.RuntimeCallFunctionOn{})39		pages.MustFind("button")40	})41	g.Panic(func() {42		g.mc.stubErr(1, proto.RuntimeCallFunctionOn{})43		pages.MustFindByURL("____")44	})45}46func TestPagesOthers(t *testing.T) {47	g := setup(t)48	list := rod.Pages{}49	g.Nil(list.First())50	g.Nil(list.Last())51	list = append(list, &rod.Page{})52	g.NotNil(list.First())53	g.NotNil(list.Last())54}55func TestPageHas(t *testing.T) {56	g := setup(t)57	g.page.MustNavigate(g.srcFile("fixtures/selector.html"))58	g.page.MustElement("body")59	g.True(g.page.MustHas("span"))60	g.False(g.page.MustHas("a"))61	g.True(g.page.MustHasX("//span"))62	g.False(g.page.MustHasX("//a"))63	g.True(g.page.MustHasR("button", "03"))64	g.False(g.page.MustHasR("button", "11"))65	g.mc.stubErr(1, proto.RuntimeCallFunctionOn{})66	g.Err(g.page.HasX("//a"))67	g.mc.stubErr(1, proto.RuntimeCallFunctionOn{})68	g.Err(g.page.HasR("button", "03"))69}70func TestElementHas(t *testing.T) {71	g := setup(t)72	g.page.MustNavigate(g.srcFile("fixtures/selector.html"))73	b := g.page.MustElement("body")74	g.True(b.MustHas("span"))75	g.False(b.MustHas("a"))76	g.True(b.MustHasX("//span"))77	g.False(b.MustHasX("//a"))78	g.True(b.MustHasR("button", "03"))79	g.False(b.MustHasR("button", "11"))80}81func TestSearch(t *testing.T) {82	g := setup(t)83	p := g.page.MustNavigate(g.srcFile("fixtures/click.html"))84	el := p.MustSearch("click me")85	g.Eq("click me", el.MustText())86	g.True(el.MustClick().MustMatches("[a=ok]"))87	_, err := p.Sleeper(rod.NotFoundSleeper).Search("not-exists")88	g.True(errors.Is(err, &rod.ErrElementNotFound{}))89	g.Eq(err.Error(), "cannot find element")90	// when search result is not ready91	{92		g.mc.stub(1, proto.DOMGetSearchResults{}, func(send StubSend) (gson.JSON, error) {93			return gson.New(nil), cdp.ErrCtxNotFound94		})95		p.MustSearch("click me")96	}97	// when node id is zero98	{99		g.mc.stub(1, proto.DOMGetSearchResults{}, func(send StubSend) (gson.JSON, error) {100			return gson.New(proto.DOMGetSearchResultsResult{101				NodeIds: []proto.DOMNodeID{0},102			}), nil103		})104		p.MustSearch("click me")105	}106	g.Panic(func() {107		g.mc.stubErr(1, proto.DOMPerformSearch{})108		p.MustSearch("click me")109	})110	g.Panic(func() {111		g.mc.stubErr(1, proto.DOMGetSearchResults{})112		p.MustSearch("click me")113	})114	g.Panic(func() {115		g.mc.stubErr(1, proto.RuntimeCallFunctionOn{})116		p.MustSearch("click me")117	})118}119func TestSearchElements(t *testing.T) {120	g := setup(t)121	p := g.page.MustNavigate(g.srcFile("fixtures/selector.html"))122	{123		res, err := p.Search("button")124		g.E(err)125		c, err := res.All()126		g.E(err)127		g.Len(c, 4)128		g.mc.stubErr(1, proto.DOMGetSearchResults{})129		g.Err(res.All())130		g.mc.stubErr(1, proto.DOMResolveNode{})131		g.Err(res.All())132	}133	{ // disable retry134		sleeper := func() utils.Sleeper { return utils.CountSleeper(1) }135		_, err := p.Sleeper(sleeper).Search("not-exists")136		g.Err(err)137	}138}139func TestSearchIframes(t *testing.T) {140	g := setup(t)141	p := g.page.MustNavigate(g.srcFile("fixtures/click-iframes.html"))142	el := p.MustSearch("button[onclick]")143	g.Eq("click me", el.MustText())144	g.True(el.MustClick().MustMatches("[a=ok]"))145}146func TestSearchIframesAfterReload(t *testing.T) {147	g := setup(t)148	p := g.page.MustNavigate(g.srcFile("fixtures/click-iframes.html"))149	frame := p.MustElement("iframe").MustFrame().MustElement("iframe").MustFrame()150	frame.MustReload()151	el := p.MustSearch("button[onclick]")152	g.Eq("click me", el.MustText())153	g.True(el.MustClick().MustMatches("[a=ok]"))154}155func TestPageRace(t *testing.T) {156	g := setup(t)157	p := g.page.MustNavigate(g.srcFile("fixtures/selector.html"))158	p.Race().Element("button").MustHandle(func(e *rod.Element) { g.Eq("01", e.MustText()) }).MustDo()159	g.Eq("01", p.Race().Element("button").MustDo().MustText())160	p.Race().ElementX("//button").MustHandle(func(e *rod.Element) { g.Eq("01", e.MustText()) }).MustDo()161	g.Eq("01", p.Race().ElementX("//button").MustDo().MustText())162	p.Race().ElementR("button", "02").MustHandle(func(e *rod.Element) { g.Eq("02", e.MustText()) }).MustDo()163	g.Eq("02", p.Race().ElementR("button", "02").MustDo().MustText())164	p.Race().MustElementByJS("() => document.querySelector('button')", nil).165		MustHandle(func(e *rod.Element) { g.Eq("01", e.MustText()) }).MustDo()166	g.Eq("01", p.Race().MustElementByJS("() => document.querySelector('button')", nil).MustDo().MustText())167	raceFunc := func(p *rod.Page) (*rod.Element, error) {168		el := p.MustElement("button")169		g.Eq("01", el.MustText())170		return el, nil171	}172	p.Race().ElementFunc(raceFunc).MustHandle(func(e *rod.Element) { g.Eq("01", e.MustText()) }).MustDo()173	g.Eq("01", p.Race().ElementFunc(raceFunc).MustDo().MustText())174	el, err := p.Sleeper(func() utils.Sleeper { return utils.CountSleeper(2) }).Race().175		Element("not-exists").MustHandle(func(e *rod.Element) {}).176		ElementX("//not-exists").177		ElementR("not-exists", "test").MustHandle(func(e *rod.Element) {}).178		Do()179	g.Err(err)180	g.Nil(el)181	el, err = p.Race().MustElementByJS(`() => notExists()`, nil).Do()182	g.Err(err)183	g.Nil(el)184}185func TestPageRaceRetryInHandle(t *testing.T) {186	g := setup(t)187	p := g.page.MustNavigate(g.srcFile("fixtures/selector.html"))188	p.Race().Element("div").MustHandle(func(e *rod.Element) {189		go func() {190			utils.Sleep(0.5)191			e.MustElement("button").MustEval(`() => this.innerText = '04'`)192		}()193		e.MustElement("button").MustWait("() => this.innerText === '04'")194	}).MustDo()195}196func TestPageElementX(t *testing.T) {197	g := setup(t)198	g.page.MustNavigate(g.srcFile("fixtures/selector.html"))199	g.page.MustElement("body")200	txt := g.page.MustElementX("//div").MustElementX("./button").MustText()201	g.Eq(txt, "02")202}203func TestPageElementsX(t *testing.T) {204	g := setup(t)205	g.page.MustNavigate(g.srcFile("fixtures/selector.html"))206	g.page.MustElement("body")207	list := g.page.MustElementsX("//button")208	g.Len(list, 4)209}210func TestElementR(t *testing.T) {211	g := setup(t)212	p := g.page.MustNavigate(g.srcFile("fixtures/selector.html"))213	el := p.MustElementR("button", `\d1`)214	g.Eq("01", el.MustText())215	el = p.MustElement("div").MustElementR("button", `03`)216	g.Eq("03", el.MustText())217	p = g.page.MustNavigate(g.srcFile("fixtures/input.html"))218	el = p.MustElementR("input", `submit`)219	g.Eq("submit", el.MustText())220	el = p.MustElementR("input", `placeholder`)221	g.Eq("blur", *el.MustAttribute("id"))222	el = p.MustElementR("option", `/cc/i`)223	g.Eq("CC", el.MustText())224}225func TestElementFromElement(t *testing.T) {226	g := setup(t)227	p := g.page.MustNavigate(g.srcFile("fixtures/selector.html"))228	el := p.MustElement("div").MustElement("button")229	g.Eq("02", el.MustText())230}231func TestElementsFromElement(t *testing.T) {232	g := setup(t)233	p := g.page.MustNavigate(g.srcFile("fixtures/input.html"))234	el := p.MustElement("form")235	list := p.MustElement("form").MustElements("option")236	g.Len(list, 4)237	g.Eq("B", list[1].MustText())238	g.mc.stubErr(1, proto.RuntimeCallFunctionOn{})239	g.Err(el.Elements("input"))240}241func TestElementParent(t *testing.T) {242	g := setup(t)243	p := g.page.MustNavigate(g.srcFile("fixtures/input.html"))244	el := p.MustElement("input").MustParent()245	g.Eq("FORM", el.MustEval(`() => this.tagName`).String())246}247func TestElementParents(t *testing.T) {248	g := setup(t)249	p := g.page.MustNavigate(g.srcFile("fixtures/input.html"))250	g.Len(p.MustElement("option").MustParents("*"), 4)251	g.Len(p.MustElement("option").MustParents("form"), 1)252}253func TestElementSiblings(t *testing.T) {254	g := setup(t)255	p := g.page.MustNavigate(g.srcFile("fixtures/selector.html"))256	el := p.MustElement("div")257	a := el.MustPrevious()258	b := el.MustNext()259	g.Eq(a.MustText(), "01")260	g.Eq(b.MustText(), "04")261}262func TestElementFromElementX(t *testing.T) {263	g := setup(t)264	p := g.page.MustNavigate(g.srcFile("fixtures/selector.html"))265	el := p.MustElement("div").MustElementX("./button")266	g.Eq("02", el.MustText())267}268func TestElementsFromElementsX(t *testing.T) {269	g := setup(t)270	p := g.page.MustNavigate(g.srcFile("fixtures/selector.html"))271	list := p.MustElement("div").MustElementsX("./button")272	g.Len(list, 2)273}274func TestElementTracing(t *testing.T) {275	g := setup(t)276	g.browser.Trace(true)277	g.browser.Logger(utils.LoggerQuiet)278	defer func() {279		g.browser.Trace(defaults.Trace)280		g.browser.Logger(rod.DefaultLogger)281	}()282	p := g.page.MustNavigate(g.srcFile("fixtures/click.html"))283	g.Eq(`rod.element("code") html`, p.MustElement("html").MustElement("code").MustText())284}285func TestPageElementByJS(t *testing.T) {286	g := setup(t)287	p := g.page.MustNavigate(g.srcFile("fixtures/click.html"))288	g.Eq(p.MustElementByJS(`() => document.querySelector('button')`).MustText(), "click me")289	_, err := p.ElementByJS(rod.Eval(`() => 1`))290	g.Is(err, &rod.ErrExpectElement{})291	g.Eq(err.Error(), "expect js to return an element, but got: {\"type\":\"number\",\"value\":1,\"description\":\"1\"}")292}293func TestPageElementsByJS(t *testing.T) {294	g := setup(t)295	p := g.page.MustNavigate(g.srcFile("fixtures/selector.html")).MustWaitLoad()296	g.Len(p.MustElementsByJS("() => document.querySelectorAll('button')"), 4)297	_, err := p.ElementsByJS(rod.Eval(`() => [1]`))298	g.Is(err, &rod.ErrExpectElements{})299	g.Eq(err.Error(), "expect js to return an array of elements, but got: {\"type\":\"number\",\"value\":1,\"description\":\"1\"}")300	_, err = p.ElementsByJS(rod.Eval(`() => 1`))301	g.Eq(err.Error(), "expect js to return an array of elements, but got: {\"type\":\"number\",\"value\":1,\"description\":\"1\"}")302	_, err = p.ElementsByJS(rod.Eval(`() => foo()`))303	g.Err(err)304	g.mc.stubErr(1, proto.RuntimeGetProperties{})305	_, err = p.ElementsByJS(rod.Eval(`() => [document.body]`))306	g.Err(err)307	g.mc.stubErr(4, proto.RuntimeCallFunctionOn{})308	g.Err(p.Elements("button"))309}310func TestPageElementTimeout(t *testing.T) {311	g := setup(t)312	page := g.page.MustNavigate(g.blank())313	start := time.Now()314	_, err := page.Timeout(300 * time.Millisecond).Element("not-exists")315	g.Is(err, context.DeadlineExceeded)316	g.Gte(time.Since(start), 300*time.Millisecond)317}318func TestPageElementMaxRetry(t *testing.T) {319	g := setup(t)320	page := g.page.MustNavigate(g.blank())321	s := func() utils.Sleeper { return utils.CountSleeper(5) }322	_, err := page.Sleeper(s).Element("not-exists")323	g.Is(err, &utils.ErrMaxSleepCount{})324}325func TestElementsOthers(t *testing.T) {326	g := setup(t)327	list := rod.Elements{}328	g.Nil(list.First())329	g.Nil(list.Last())330}...

use_gorod.go

Source:use_gorod.go

...104	headElement := page.MustElement("head")105	// prevent execution of tracking such as google analytics, gtm, or facebook106	// let's start by scanning the head section107	for _, s := range headElement.MustElements("script") {108		if strings.Contains(s.MustHTML(), "googletagmanager.com") {109			s.MustRemove()110		}111	}112	bodyElement := page.MustElement("body")113	bodyElement.MustElement("noscript").MustRemove()114	err = addScriptTagToBody(page, jsInjection)115	//err = page.AddScriptTag("", jsInjection) // this one adding script tag on head section116	if err != nil {117		_, _ = fmt.Fprint(w, "")118		return119	}120	wait()121	page.MustWaitIdle().MustElement("body.page-completed")122	htmlRootElement, err2 := bodyElement.Parent()123	if err2 != nil {124		_, _ = fmt.Fprint(w, "")125		return126	}127	htmlResult := htmlRootElement.MustHTML()128	//_ = ioutil.WriteFile("rendered.html", []byte(htmlResult), os.ModePerm)129	_, _ = fmt.Fprintln(w, htmlResult)130}

rendering.go

Source:rendering.go

1// Package rendering provides a function to render HTML to images or HTML after JS execution.2// It uses the Chrome Debug Protocol through the rod package. It will download a headless3// Chrome version if needed that matches the current platform.4//5// If the environment variable SND_DEBUG=1 it will start the chrome instances6// in non-headless mode.7package rendering8import (9	"bytes"10	"errors"11	"image"12	_ "image/png"13	"net/url"14	"os"15	"github.com/go-rod/rod/lib/launcher"16	"github.com/go-rod/rod"17	"github.com/go-rod/rod/lib/proto"18)19var browser *rod.Browser20func init() {21	if os.Getenv("SND_DEBUG") == "1" {22		l := launcher.New().23			Headless(false).24			Devtools(true)25		browser = rod.New().ControlURL(l.MustLaunch()).MustConnect()26	} else {27		browser = rod.New().MustConnect()28	}29}30func screenshotPage(page *rod.Page, width int) (image.Image, error) {31	imageData, err := page.MustSetViewport(width, 10000, 1.0, false).MustElement("body").Screenshot(proto.PageCaptureScreenshotFormatPng, 100)32	if err != nil {33		return nil, err34	}35	img, _, err := image.Decode(bytes.NewBuffer(imageData))36	if err != nil {37		return nil, err38	}39	if img.Bounds().Max.Y >= 9500 {40		return nil, errors.New("too large")41	}42	return img, nil43}44// RenderHTML renders the element #content into an image.45func RenderHTML(html string, width int) (image.Image, error) {46	page := browser.MustPage("data:text/html," + url.PathEscape(html))47	page.MustWaitLoad().MustWaitIdle()48	defer page.Close()49	return screenshotPage(page, width)50}51// RenderURL opens the URL and renders the element #content into an image.52func RenderURL(url string, width int) (image.Image, error) {53	page := browser.MustPage(url)54	page.MustWaitLoad().MustWaitIdle()55	defer page.Close()56	return screenshotPage(page, width)57}58// ExtractHTML opens the URL, lets the page executes and returns the HTML.59func ExtractHTML(url string, selector string) (string, error) {60	page := browser.MustPage(url)61	page.MustWaitLoad().MustWaitIdle()62	defer page.Close()63	sel, err := page.Element(selector)64	if err != nil {65		return "", err66	}67	return sel.HTML()68}...

HTML

Using AI Code Generation

1import (2func main() {3	browser := rod.New().MustConnect()4	page := browser.MustPage("")5	page.MustWaitLoad()6	html := page.MustHTML()7	fmt.Println(html)8	title := page.MustTitle()9	fmt.Println(title)10	url := page.MustInfo().URL11	fmt.Println(url)12	cookies := page.MustCookies()13	fmt.Println(cookies)14	cookies2 := page.MustCookies()15	fmt.Println(cookies2)16	cookies3 := page.MustCookies()17	fmt.Println(cookies3)18	cookies4 := page.MustCookies()19	fmt.Println(cookies4)20	cookies5 := page.MustCookies()21	fmt.Println(cookies5)22	cookies6 := page.MustCookies()23	fmt.Println(cookies6)24	cookies7 := page.MustCookies()25	fmt.Println(cookies7)26	cookies8 := page.MustCookies()27	fmt.Println(cookies8)28	cookies9 := page.MustCookies()29	fmt.Println(cookies9)30	cookies10 := page.MustCookies()31	fmt.Println(cookies10)32	cookies11 := page.MustCookies()33	fmt.Println(cookies11)34	cookies12 := page.MustCookies()35	fmt.Println(cookies12)36	cookies13 := page.MustCookies()37	fmt.Println(cookies13)38	cookies14 := page.MustCookies()39	fmt.Println(cookies14)

HTML

Using AI Code Generation

1import (2func main() {3	browser := rod.New().MustConnect()4	page.MustElement("input[name=q]").MustInput("rod").MustPress("Enter")5	html := page.MustHTML(true)6	println(html)7}

HTML

Using AI Code Generation

1import (2func main() {3	fmt.Println(page.MustHTML())4}5page.MustHTML()6page.MustHTML()7page.MustHTML()8func (p *Page) HTML() (html string, err error) {9	return p.Eval(`document.documentElement.outerHTML`).String()10}11func (p *Page) MustHTML() (html string) {12	return p.MustEval(`document.documentElement.outerHTML`).String()13}14page.MustHTML()15page.MustHTML()

HTML

Using AI Code Generation

1func (r *rod) HTML() string {2}3func (r *rod) SetHTML(html string) {4}5func (r *rod) Get() string {6}7func (r *rod) Set(html string) {8}9func (r *rod) HTML() string {10}11func (r *rod) SetHTML(html string) {12}13func (r *rod) Get() string {14}15func (r *rod) Set(html string) {16}17func (r *rod) HTML() string {18}19func (r *rod) SetHTML(html string) {20}21func (r *rod) Get() string {22}23func (r *rod) Set(html string) {24}25func (r *rod) HTML() string {26}27func (r *rod) SetHTML(html string) {28}29func (r *rod) Get() string {30}31func (r *rod) Set(html string) {32}33func (r *rod) HTML() string {34}35func (r *rod) SetHTML(html string) {36}

HTML

Using AI Code Generation

1import (2func main() {3	browser := rod.New().MustConnect()4	fmt.Println(page.MustElement("#hplogo").MustWaitVisible().MustHTML())5}6import (7func main() {8	browser := rod.New().MustConnect()9	fmt.Println(page.MustElement("#hplogo").MustWaitVisible().MustText())10}11import (12func main() {13	browser := rod.New().MustConnect()14	fmt.Println(page.MustElement("#hplogo").MustWaitVisible().MustHas("img"))15}16import (17func main() {18	browser := rod.New().MustConnect()19	fmt.Println(page.MustElement("#hplogo").MustWaitVisible().MustHasX("img"))20}21import (22func main() {23	browser := rod.New().MustConnect()

HTML

Using AI Code Generation

1func main() {2    r := rod.New().MustConnect()3    defer r.MustClose()4    page.MustElement("#hplogo").MustWaitVisible().MustHTML()5}6func main() {7    r := rod.New().MustConnect()8    defer r.MustClose()9    page.MustElement("#hplogo").MustWaitVisible().MustHTML()10}11func main() {12    r := rod.New().MustConnect()13    defer r.MustClose()14    page.MustElement("#hplogo").MustWaitVisible().MustHTML()15}16func main() {17    r := rod.New().MustConnect()18    defer r.MustClose()19    page.MustElement("#hplogo").MustWaitVisible().MustHTML()20}21func main() {22    r := rod.New().MustConnect()23    defer r.MustClose()24    page.MustElement("#hplogo").MustWaitVisible().MustHTML()25}26func main() {27    r := rod.New().MustConnect()28    defer r.MustClose()29    page.MustElement("#hplogo").MustWaitVisible().MustHTML()30}31func main() {32    r := rod.New().MustConnect()33    defer r.MustClose()34    page.MustElement("#hplogo").MustWaitVisible().MustHTML()35}36func main() {37    r := rod.New().MustConnect()38    defer r.MustClose()

HTML

Using AI Code Generation

1import (2type rod struct {3}4func (r rod) HTML() string {5    return fmt.Sprintf("<div style='color: %s;'>%d</div>", r.color, r.length)6}7func main() {8    r := rod{length: 10, color: "red"}9    fmt.Println(r.HTML())10}11import (12type rod struct {13}14func (r rod) HTML() string {15    return fmt.Sprintf("<div style='color: %s;'>%d</div>", r.color, r.length)16}17func main() {18    r := rod{length: 10, color: "red"}19    fmt.Println(r.HTML())20}21import (22type rod struct {23}24func (r rod) HTML() string {25    return fmt.Sprintf("<div style='color: %s;'>%d</div>", r.color, r.length)26}27func main() {28    r := rod{length: 10, color: "red"}29    fmt.Println(r.HTML())30}31import (32type rod struct {33}34func (r rod) HTML() string {35    return fmt.Sprintf("<div style='color: %s;'>%d</div>", r.color, r.length)36}37func main() {38    r := rod{length: 10, color: "red"}39    fmt.Println(r.HTML())40}41import (42type rod struct {43}44func (r rod) HTML() string {45    return fmt.Sprintf("<div style='color: %s;'>%d</div>", r.color, r.length)46}47func main() {48    r := rod{length: 10, color: "red"}49    fmt.Println(r.HTML())50}

HTML

Using AI Code Generation

1import (2func main() {3	s = html.EscapeString(s)4	fmt.Println(s)5}6import (7func main() {8	s = html.UnescapeString(s)9	fmt.Println(s)10}11import (12func main() {13	s = html.EscapeString(s)14	fmt.Println(s)15}16import (17func main() {18	s = html.UnescapeString(s)19	fmt.Println(s)20}21import (22func main() {23	s = html.EscapeString(s)24	fmt.Println(s)25}

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