How to use ensureJSHelper method of rod Package

Best Rod code snippet using rod.ensureJSHelper

page_eval.go

Source: page_eval.go Github

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...199 for _, arg := range opts.JSArgs {200 if obj, ok := arg.(*proto.RuntimeRemoteObject); ok { /​/​ remote object201 formated = append(formated, &proto.RuntimeCallArgument{ObjectID: obj.ObjectID})202 } else if obj, ok := arg.(*js.Function); ok { /​/​ js helper203 id, err := p.ensureJSHelper(obj)204 if err != nil {205 return nil, err206 }207 formated = append(formated, &proto.RuntimeCallArgument{ObjectID: id})208 } else { /​/​ plain json data209 formated = append(formated, &proto.RuntimeCallArgument{Value: gson.New(arg)})210 }211 }212 return formated, nil213}214/​/​ Check the doc of EvalHelper215func (p *Page) ensureJSHelper(fn *js.Function) (proto.RuntimeRemoteObjectID, error) {216 jsCtxID, err := p.getJSCtxID()217 if err != nil {218 return "", err219 }220 fnID, has := p.getHelper(jsCtxID, js.Functions.Name)221 if !has {222 res, err := proto.RuntimeCallFunctionOn{223 ObjectID: jsCtxID,224 FunctionDeclaration: js.Functions.Definition,225 }.Call(p)226 if err != nil {227 return "", err228 }229 fnID = res.Result.ObjectID230 p.setHelper(jsCtxID, js.Functions.Name, fnID)231 }232 id, has := p.getHelper(jsCtxID, fn.Name)233 if !has {234 for _, dep := range fn.Dependencies {235 _, err := p.ensureJSHelper(dep)236 if err != nil {237 return "", err238 }239 }240 res, err := proto.RuntimeCallFunctionOn{241 ObjectID: jsCtxID,242 Arguments: []*proto.RuntimeCallArgument{{ObjectID: fnID}},243 FunctionDeclaration: fmt.Sprintf(244 /​/​ we only need the object id, but the cdp will return the whole function string.245 /​/​ So we override the toString to reduce the overhead.246 "functions => { const f = functions.%s = %s; f.toString = () => 'fn'; return f }",247 fn.Name, fn.Definition,248 ),249 }.Call(p)...

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ensureJSHelper

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().ControlURL(launcher.New().Headless(false).MustLaunch()).MustConnect()4 defer browser.MustClose()5 page := browser.MustPage("")6 page.MustElement("input[name=q]").MustInput("Rod Page")7 page.MustElement("input[name=btnK]").MustClick()8}

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ensureJSHelper

Using AI Code Generation

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1import (2func main() {3 page.MustEval(`document.querySelector("input[name=q]").value = "rod"`)4 page.MustElement("input[name=q]").MustPress(proto.InputKeyEventEnter)5 value, err := page.EvalE(`document.querySelector("input[name=q]").value`)6 fmt.Println(value, err)7 value, err = page.Eval(`document.querySelector("input[name=q]").value`)8 fmt.Println(value, err)9 value, err = page.Eval(`document.querySelector("input[name=q]").value`)10 fmt.Println(value, err)11 value, err = page.Eval(`document.querySelector("input[name=q]").value`)12 fmt.Println(value, err)13 value, err = page.Eval(`document.querySelector("input[name=q]").value`)14 fmt.Println(value, err)15 value, err = page.Eval(`document.querySelector("input[name=q]").value`)16 fmt.Println(value, err)17 value, err = page.Eval(`document.querySelector("input[name=q]").value`)18 fmt.Println(value, err)19}20import (21func main() {

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ensureJSHelper

Using AI Code Generation

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1import 'package:rod/​rod.dart';2void main() async {3 var rod = await Rod.create();4 await rod.ensureJSHelper();5 await rod.close();6}7import 'package:rod/​rod.dart';8void main() async {9 var rod = await Rod.create();10 await rod.ensureJSHelper();11 await rod.close();12}13import 'package:rod/​rod.dart';14void main() async {15 var rod = await Rod.create();16 await rod.ensureJSHelper();17 await rod.close();18}19import 'package:rod/​rod.dart';20void main() async {21 var rod = await Rod.create();22 await rod.ensureJSHelper();23 await rod.close();24}25import 'package:rod/​rod.dart';26void main() async {27 var rod = await Rod.create();28 await rod.ensureJSHelper();29 await rod.close();30}31import 'package:rod/​rod.dart';32void main() async {33 var rod = await Rod.create();34 await rod.ensureJSHelper();35 await rod.close();36}37import 'package:rod/​rod.dart';38void main() async {39 var rod = await Rod.create();40 await rod.ensureJSHelper();41 await rod.close();42}43import 'package:rod/​rod.dart';44void main() async {45 var rod = await Rod.create();46 await rod.ensureJSHelper();47 await rod.close();48}49import 'package:rod/​rod.dart';50void main() async {51 var rod = await Rod.create();52 await rod.ensureJSHelper();53 await rod.close();54}55import 'package:rod/​rod.dart';56void main()

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ensureJSHelper

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().ControlURL(launcher.New().Headless(false).MustLaunch()).MustConnect()4 page.MustWaitLoad()5 title := page.MustElement("title").MustText()6 fmt.Println(title)7 result := page.MustEvaluate("1 + 2").Int()8 fmt.Println(result)9 url := page.MustInfo().URL10 fmt.Println(url)11 cookies := page.MustCookies()12 fmt.Println(cookies)13 html := page.MustHTML()14 fmt.Println(html)15 html = page.MustHTML("title", "meta", "div")16 fmt.Println(html)17 html = page.MustHTML("title", "meta", "div", &rod.HTMLOptions{18 })19 fmt.Println(html)20 html = page.MustHTML("title", "meta", "div", &rod.HTMLOptions{21 }, rod.Timeout(1))22 fmt.Println(html)23 html = page.MustHTML("title", "meta", "div", &rod.HTMLOptions{24 }, rod.Timeout(1), rod.Debug(true))

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ensureJSHelper

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()4 defer browser.MustClose()5 html, err := page.HTML()6 if err != nil {7 log.Fatal(err)8 }9 fmt.Println(html)10 text, err := page.Text()11 if err != nil {12 log.Fatal(err)13 }14 fmt.Println(text)15 title, err := page.Title()16 if err != nil {17 log.Fatal(err)18 }19 fmt.Println(title)20 url, err := page.URL()21 if err != nil {22 log.Fatal(err)23 }24 fmt.Println(url)25 cookies, err := page.Cookies()26 if err != nil {27 log.Fatal(err)28 }29 fmt.Println(cookies)30 viewport, err := page.Viewport()31 if err != nil {32 log.Fatal(err)33 }34 fmt.Println(viewport)35 browser2 := page.Browser()36 fmt.Println(browser2)37 window := page.Window()38 fmt.Println(window)39 parentFrame := page.ParentFrame()40 fmt.Println(parentFrame)41 childFrames, err := page.ChildFrames()42 if err != nil {43 log.Fatal(err)44 }45 fmt.Println(childFrames)46 element, err := page.Element("input")47 if err != nil {48 log.Fatal(err)49 }50 fmt.Println(element)51 elements, err := page.Elements("input")52 if err != nil {53 log.Fatal(err)54 }55 fmt.Println(elements)56 elementR, err := page.ElementR("input")57 if err != nil {58 log.Fatal(err)59 }

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ensureJSHelper

Using AI Code Generation

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1rod.ensureJSHelper()2rod.ensureJSHelper()3rod.ensureJSHelper()4rod.ensureJSHelper()5rod.ensureJSHelper()6rod.ensureJSHelper()7rod.ensureJSHelper()8rod.ensureJSHelper()9rod.ensureJSHelper()10rod.ensureJSHelper()11rod.ensureJSHelper()12rod.ensureJSHelper()13rod.ensureJSHelper()14rod.ensureJSHelper()15rod.ensureJSHelper()16rod.ensureJSHelper()

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ensureJSHelper

Using AI Code Generation

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1import (2func (b *Browser) EnsureJSHelper(ctx context.Context) error {3 if b.jsHelper != nil {4 }5 page := b.MustPage("")6 defer page.MustClose()7 _, err := page.EvalOnNewDocument(ctx, kit.ReadFile("helper.js"))8 if err != nil {9 }10}11func (p *Page) EnsureJSHelper(ctx context.Context) error {12 return p.browser.EnsureJSHelper(ctx)13}14func (e *Element) EnsureJSHelper(ctx context.Context) error {15 return e.page.EnsureJSHelper(ctx)16}

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Blogs

Check out the latest blogs from LambdaTest on this topic:

Automating Acceptance Tests For Mobile Apps

From October 2016 to November 2017, Android released 4 major versions and iOS released 9 major updates. Its very good for users but it is problematic for developers and absolute hell for testers. One such problem testers face because of fast release cycles is Acceptance Testing.

What is Cognitive Overhead in Design and How to Reduce it?

Taking in more information than what we can process slows us down. Be it a computer or human, no one can process beyond a specified level. If you open hundreds of apps in a computer, at same point of time it will stop working, slow down, or even crash. Same is with humans, every human has a defined cognitive load that the memory can process. Making anyone process more information than defined will result in cognitive overloading.

Top 10 Books Every Tester Should Read

While recently cleaning out my bookshelf, I dusted off my old copy of Testing Computer Software written by Cem Kaner, Hung Q Nguyen, and Jack Falk. I was given this book back in 2003 by my first computer science teacher as a present for a project well done. This brought back some memories and got me thinking how much books affect our lives even in this modern blog and youtube age. There are courses for everything, tutorials for everything, and a blog about it somewhere on medium. However nothing compares to a hardcore information download you can get from a well written book by truly legendary experts of a field.

LambdaTest One Click Integration With Bitbucket and GitLab

The DevOps cycle is always evolving with the latest trends and tech. SaaS success demands flexibility as you learn and deploy thousand ideas, in an effort to keep up with the modern tricks we are always looking out for ways to make testing fun. We are proud to announce single click integration of GitLab and Bitbucket with LamdbaTest cross browser testing platform. It’s one more step forward towards providing an integrated and seamless testing ecosystem for modern agile development team.

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Ever since the adoption of Agile methodology we have witnessed a debate over the topic of having a dedicated Staging environment for QA practices. In this age of rapid web-app development, creating a staging environment and maintaining is often considered to be a wasteful and strenuous task.

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.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

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