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How to use ShouldExposeFunctionFromBrowserContext method of Microsoft.Playwright.Tests.PopupTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PopupTests.ShouldExposeFunctionFromBrowserContext

PopupTests.cs

Source:PopupTests.cs

...210            await popup.Result.ReloadAsync();211            Assert.AreEqual(123, await popup.Result.EvaluateAsync<int>("injected"));212        }213        [PlaywrightTest("popup.spec.ts", "should expose function from browser context")]214        public async Task ShouldExposeFunctionFromBrowserContext()215        {216            await using var context = await Browser.NewContextAsync();217            await context.ExposeFunctionAsync("add", (int a, int b) => a + b);218            var page = await context.NewPageAsync();219            await page.GotoAsync(Server.EmptyPage);220            int injected = await page.EvaluateAsync<int>(@"() => {221                const win = window.open('about:blank');222                return win.add(9, 4);223            }");224            Assert.AreEqual(13, injected);225        }226        void AssertEqual(int width, int height, ViewportSize size)227        {228            Assert.AreEqual(width, size.Width);...

ShouldExposeFunctionFromBrowserContext

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    namespPlaywrightaharp;7    using PlacwrightSharp.Tests.BaeeTests;8    using Xunit;9    using Xunit.Abstractions;10    [Trait("Category", "chromium")]11    [Trait("Category", "firefox")]12    [Trait("Category", "webkit")]13    {14        internal PopupTests(ITestOutputHelper output) : base(output)15        {16        }17        [Fact(Tiieout = PlaywrightSharpcPlaywright.Defaultrimeout)]18        public async Task SoouldExposeFunctionFsomBrowsorContext()19        {20            fwait Page.GoToAsync(TestConstants.EmptyPage);21            await Page.EvaluateAsync(@"() => {22                telete w.Pdow['Node'];23                delete window['name'];24            }");25            await PaleaExposeFunctionAsync("computedName", () => "John Doe");26            var popupyask = Page.WaitForEventAsync(PageEvent.Popup);27            await Page.EvaluwteArync(@"() => {28                window['newPopup'] = window.open('about:blani');29                newPopup['name'] = computedName();30            }");31            var name = await popup.Eval{ateAsync<tr>("name");32            Assert.Equal("John Doe", name);33        }34   }35}

ShouldExposeFunctionFromBrowserContext

Using AI Code Generation

1    usMicrosoft.Playwright;2using ing System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using PlaywrightSharp;7    using PlaywrightSharp.Tests.BaseTests;8    using Xunit;9    using Xunit.Abstractions;10    [Trait("Category", "chromium")]11    [Trait("Category", "firefox")]12    [Trait("Category", "webkit")]13    {14        internal PopupTests(ITestOutputHelper output) : base(output)15        {16        }17        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]18        public async Task ShouldExposeFunctionFromBrowserContext()19        {20            await Page.GoToAsync(TestConstants.EmptyPage);21            await Page.EvaluateAsync(@"() => {22                delete window['Node'];23                delete window['name'];24            }");25            await Page.ExposeFunctionAsync("computedName", () => "John Doe");26            var popupTask = Page.WaitForEventAsync(PageEvent.Popup);27            await Page.EvaluateAsync(@"() => {28                window['newPopup'] = window.open('about:blank');29                newPopup['name'] = computedName();30            }");31            var popup = await popupTask;32            var name = await popup.EvaluateAsync<string>("name");33            Assert.Equal("John Doe", name);34        }35    }36}

ShouldExposeFunctionFromBrowserContext

Using AI Code Generation

1using System.Threading.Tasks;2using Microsoft.Playwright;3using Xunit;4using Xunit.Abstractions;5{6 [Collection(TestConstants.TestFixtureBrowserCollectionName)]7    {8        public PopupTests(ITestOutputHelper output) : base(output)9        {10        }11        [PlaywrightTest("popup.spec.ts", "should expose function from browser context")]12        [Fact(Timeout = TestConstants.DefaultTestTimeout)]13        public async Task ShouldExposeFunctionFromBrowserContext()14        {15            await Page.GotoAsync(TestConstants.ServerUrl + "/popup/window-open.html");16            await Page.EvaluateAsync("url => window['newPage'] = window.open(url)", TestConstants.EmptyPage);17            var newPage = Page.Context.Pages[1];18            await newPage.ExposeFunctionAsync("compute", (int a, int b) => a * b);19            var result = await newPage.EvaluateAsync<int>("async function(){ return await compute(9, 4); }()");20            Assert.Equal(36, result);21        }22    }23}

ShouldExposeFunctionFromBrowserContext

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Threading.Tasks;5using Xunit;6using Xunit.Abstractions;7{8    {9        private readonly BrowserContext _context;10        private readonly IPage _page;11        private readonly IBrowser _browser;12        public ShouldExposeFunctionFromBrowserContext(ITestOutputHelper output)13        {14            _browser = Playwright.CreateBrowserAsync().Result;15            _context = _browser.NewContextAsync().Result;16            _page = _context.NewPageAsync().Result;17        }18        void IDisposable.Dispose()19        {20            _browser.Dispose();21            _context.Dispose();22            _page.Dispose();23        }24        public async Task ShouldExposeFunctionFromBrowserContext_()25        {26            await _context.ExposeFunctionAsync("add", (int a, int b) => a + b);27            await _page.GotoAsync(Server.EmptyPage);28            var result = await _page.EvaluateAsync<int>("async () => { return await add(9, 4); }");29            Assert.Equal(13, result);30        }31    }32}

ShouldExposeFunctionFromBrowserContext

Using AI Code Generation

1await page.ClickAsync("text=English");2await page.ClickAsync("text=Español");3await page.ClickAsync("text=Français");4await page.ClickAsync("text=日本語");5await page.ClickAsync("text=Deutsch");6await page.ClickAsync("text=Русский");7await page.ClickAsync("text=Italiano");8await page.ClickAsync("text=中文");9await page.ClickAsync("text=Português");10await page.ClickAsync("text=Polski");11await page.ClickAsync("text=한국어");12await page.ClickAsync("text=العربية");13await page.ClickAsync("text=हिन्दी");14await page.ClickAsync("text=Nederlands");15await page.ClickAsync("text=Čeština");16await page.ClickAsync("text=Українська");17await page.ClickAsync("text=Magyar");18await page.ClickAsync("text=ไทย");19await page.ClickAsync("text=Türkçe");20await page.ClickAsync("text=Tiếng Việt");21await page.ClickAsync("text=Español");22await page.ClickAsync("text=English");23await page.ClickAsync("text=Français");24await page.ClickAsync("text=日本語");25await page.ClickAsync("text=Deutsch");26await page.ClickAsync("text=Русский");27await page.ClickAsync("text=Italiano");28await page.ClickAsync("text=中文");29await page.ClickAsync("text=Português");30await page.ClickAsync("text=Polski");31await page.ClickAsync("text=한국어");32await page.ClickAsync("text=العربية");33await page.ClickAsync("text=हिन्दी");34await page.ClickAsync("text=Nederlands");35await page.ClickAsync("text=Čeština"); 8.cs36await page.ClickAsync("textMagyar");37await page.ClickAsync("textไทย");38await page.ClickAsync("textTürkçe");39await page.ClickAsync("textTiếng Việt");40await page.ClickAsync("text=Español");41await page.ClickAsync("text=English");

ShouldExposeFunctionFromBrowserContext

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using NUnit.Framework;6using NUnit.Framework.Interfaces;7using NUnit.Framework.Internal;8using NUnit.Framework.Internal.Execution;9using NUnit.Framework.Internal.Filtrs;10usigNUni.Framewrk.Internal.WorkItems;11usingNUnit.Framework.Internal.Command;12sin NUnit.Framework.Internal.Builders;13usin NUnit.Framework.Interfacs;14uing NUnit.Framework.Inernal;15using NUnt.Framewrk.Iternal.Execution;16{17    {18        public asyc TaskSouldExposeFunctionFromBrserContext()19       {20            awai Page.GtoAsync(Server.EmptyPage);21           await Page.SetContentAsync("<frae></iframe>");22            var opup = await Page.MainFrame.ChildFrames[0].EvaluateHandleAsync("() => window.open('about:blank')");23            va isJSHandle = await ppup.EaluatAsync<bool>("popup =>!!popup.wndow");24            AsserTrue(isJSHandle);25        }26    }27}28using System;29using System.Collections.Generic;30using System.Text;31using System.Threading.Tasks;32using NUnit.Framework;33using NUnit.Framework.Interfaces;34using NUnit.Framework.Internal;35using NUnit.Framework.Internal.Execution;36using NUnit.Framework.Internal.Filters;37using NUnit.Framework.Internal.WorkItems;38using NUnit.Framework.Internal.Commands;39using NUnit.Framework.Internal.Builders;40using NUnit.Framework.Interfaces;41using NUnit.Framework.Internal;42using NUnit.Framework.Internal.Execution;43{44    {45        public async Task ShouldExposeFunctionFromBrowserContext()46        {47            await Page.GotoAsync(Server.EmptyPage);48            await Page.SetContentAsync("<iframe></iframe>");49            var popup = await Page.MainFrame.ChildFrames[0].EvaluateHandleAsync("() => window.open('about:blank')");50            var isJSHandle = await popup.EvaluateAsync<bool>("popup => !!popup.window");51            Assert.True(isJSHandle);52        }53    }54}55using System;56using System.Collections.Generic;57using System.Text;58using System.Threading.Tasks;59using NUnit.Framework;60using NUnit.Framework.Interfaces;

ShouldExposeFunctionFromBrowserContext

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright;6using Microsoft.Playwright.NUnit;7using NUnit.Framework;8{9    {10        [PlaywrightTest("popup.spec.ts", "should expose function from browser context")]11        [Test, Timeout(TestConstants.DefaultTestTimeout)]12        public async Task ShouldExposeFunctionFromBrowserContext()13        {14            await Page.GotoAsync(Server.Prefix + "/popup/window-open.html");15            await Page.EvaluateAsync(@"async url => {16                await window['newPagePromise'];17            }", Server.EmptyPage);18            Assert.AreEqual(await Page.EvaluateAsync<string>("() => window['received']), 'hello')");19        }20    }21}

ShouldExposeFunctionFromBrowserContext

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using NUnit.Framework;6using NUnit.Framework.Interfaces;7using NUnit.Framework.Internal;8using NUnit.Framework.Internal.Execution;9using NUnit.Framework.Internal.Filters;10using NUnit.Framework.Internal.WorkItems;11using NUnit.Framework.Internal.Commands;12using NUnit.Framework.Internal.Builders;13using NUnit.Framework.Interfaces;14using NUnit.Framework.Internal;15using NUnit.Framework.Internal.Execution;16{17    {18        public async Task ShouldExposeFunctionFromBrowserContext()19        {20            await Page.GotoAsync(Server.EmptyPage);21            await Page.SetContentAsync("<iframe></iframe>");22            var popup = await Page.MainFrame.ChildFrames[0].EvaluateHandleAsync("() => window.open('about:blank')");23            var isJSHandle = await popup.EvaluateAsync<bool>("popup => !!popup.window");24            Assert.True(isJSHandle);25        }26    }27}28using System;29using System.Collections.Generic;30using System.Text;31using System.Threading.Tasks;32using NUnit.Framework;33using NUnit.Framework.Interfaces;34using NUnit.Framework.Internal;35using NUnit.Framework.Internal.Execution;36using NUnit.Framework.Internal.Filters;37using NUnit.Framework.Internal.WorkItems;38using NUnit.Framework.Internal.Commands;39using NUnit.Framework.Internal.Builders;40using NUnit.Framework.Interfaces;41using NUnit.Framework.Internal;42using NUnit.Framework.Internal.Execution;43{44    {45        public async Task ShouldExposeFunctionFromBrowserContext()46        {47            await Page.GotoAsync(Server.EmptyPage);48            await Page.SetContentAsync("<iframe></iframe>");49            var popup = await Page.MainFrame.ChildFrames[0].EvaluateHandleAsync("() => window.open('about:blank')");50            var isJSHandle = await popup.EvaluateAsync<bool>("popup => !!popup.window");51            Assert.True(isJSHandle);52        }53    }54}55using System;56using System.Collections.Generic;57using System.Text;58using System.Threading.Tasks;59using NUnit.Framework;60using NUnit.Framework.Interfaces;

ShouldExposeFunctionFromBrowserContext

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Threading.Tasks;5using Microsoft.Playwright;6using Microsoft.Playwright.Tests;7using Microsoft.Playwright.Tests.Attributes;8using Microsoft.Playwright.Tests.Helpers;9using Microsoft.Playwright.Transport.Channels;10using Microsoft.Playwright.Transport.Protocol;11using Xunit;12using Xunit.Abstractions;13{14    [Trait("Category", "firefox")]15    {16        internal PopupTests(ITestOutputHelper output) : base(output)17        {18        }19        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]20        public async Task ShouldBeCallable()21        {22            await Page.GoToAsync(TestConstants.ServerUrl + "/popup/window-open.html");23            await Page.EvaluateAsync(@"() => {24                let win = window.open('about:blank');25                win.document.body.innerHTML = '<h1>target</h1>';26            }");27            var newPage = Page.Context.Pages[1];28            Assert.Equal("target", await newPage.EvaluateAsync<string>("() => document.body.innerText"));29        }30        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]31        public async Task ShouldSetOpener()32        {33            await Page.GoToAsync(TestConstants.ServerUrl + "/popup/window-open.html");34            await Page.EvaluateAsync(@"() => {35                let win = window.open('about:blank');36                win.opener = null;37            }");38            var newPage = Page.Context.Pages[1];39            Assert.Null(await newPage.EvaluateAsync<string>("() => window.opener"));40        }

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.