Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use BrowserDisconnectTests method of PuppeteerSharp.Tests.LauncherTests.BrowserDisconnectTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests

BrowserDisconnectTests.cs

Source:BrowserDisconnectTests.cs

...5using Xunit.Abstractions;6namespace PuppeteerSharp.Tests.LauncherTests7{8    [Collection(TestConstants.TestFixtureCollectionName)]9    public class BrowserDisconnectTests : PuppeteerBrowserBaseTest10    {11        public BrowserDisconnectTests(ITestOutputHelper output) : base(output)12        {13        }14        [PuppeteerTest("launcher.spec.ts", "Browser.disconnect", "should reject navigation when browser closes")]15        [PuppeteerFact]16        public async Task ShouldRejectNavigationWhenBrowserCloses()17        {18            Server.SetRoute("/one-style.css", _ => Task.Delay(10000));19            await using (var browser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions()))20            {21                var remote = await Puppeteer.ConnectAsync(new ConnectOptions22                {23                    BrowserWSEndpoint = browser.WebSocketEndpoint24                });25                var page = await remote.NewPageAsync();...

BrowserDisconnectTests

Using AI Code Generation

1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp.Tests.Attributes;5using Xunit;6using Xunit.Abstractions;7{8    [Collection(TestConstants.TestFixtureCollectionName)]9    {10        public BrowserDisconnectTests(ITestOutputHelper output) : base(output)11        {12        }13        [PuppeteerTest("launcher.spec.ts", "Launcher", "should reject all promises when browser is closed")]14        public async Task ShouldRejectAllPromisesWhenBrowserIsClosed()15        {16            await Page.GoToAsync(TestConstants.EmptyPage);17            var newPage = await Browser.NewPageAsync();18            var neverResolves = newPage.EvaluateFunctionAsync("() => new Promise(r => {})");19            await Browser.CloseAsync();20            var exception = await Assert.ThrowsAsync<TargetClosedException>(() => neverResolves);21            Assert.Equal("Protocol error (Target.closeTarget): Target closed.", exception.Message);22        }23        [PuppeteerTest("launcher.spec.ts", "Launcher", "should reject all promises when browser is disconnected")]24        public async Task ShouldRejectAllPromisesWhenBrowserIsDisconnected()25        {26            await Page.GoToAsync(TestConstants.EmptyPage);27            var newPage = await Browser.NewPageAsync();28            var neverResolves = newPage.EvaluateFunctionAsync("() => new Promise(r => {})");29            await Browser.DisconnectAsync();30            var exception = await Assert.ThrowsAsync<TargetClosedException>(() => neverResolves);31            Assert.Equal("Protocol error (Target.closeTarget): Target closed.", exception.Message);32        }33        [PuppeteerTest("launcher.spec.ts", "Launcher", "should not be visible in browser.wsEndpoint()")]34        public async Task ShouldNotBeVisibleInBrowserWSEndpoint()35        {36            await Browser.CloseAsync();37            var browserWSEndpoint = Browser.WebSocketEndpoint;38            Assert.Null(browserWSEndpoint);39        }40        [PuppeteerTest("launcher.spec.ts", "Launcher", "should terminate network waiters")]41        public async Task ShouldTerminateNetworkWaiters()42        {43            await Page.GoToAsync(TestConstants.EmptyPage);44            var newPage = await Browser.NewPageAsync();

BrowserDisconnectTests

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using PuppeteerSharp.Tests.Attributes;6using Xunit;7using Xunit.Abstractions;8{9    [Collection(TestConstants.TestFixtureCollectionName)]10    {11        public BrowserDisconnectTests(ITestOutputHelper output) : base(output)12        {13        }14        [PuppeteerTest("launcher.spec.ts", "BrowserDisconnectTests", "should throw when used after browser closes")]15        public async Task ShouldThrowWhenUsedAfterBrowserCloses()16        {17            await Page.GoToAsync(TestConstants.EmptyPage);18            var browser = Page.Browser;19            await browser.CloseAsync();20            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () => await Page.EvaluateExpressionAsync("7 * 8"));21            Assert.Contains("Protocol error", exception.Message);22        }23        [PuppeteerTest("launcher.spec.ts", "BrowserDisconnectTests", "should throw when used after browser disconnects")]24        public async Task ShouldThrowWhenUsedAfterBrowserDisconnects()25        {26            await Page.GoToAsync(TestConstants.EmptyPage);27            var browser = Page.Browser;28            await browser.DisconnectAsync();29            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () => await Page.EvaluateExpressionAsync("7 * 8"));30            Assert.Contains("Protocol error", exception.Message);31        }32        [PuppeteerTest("launcher.spec.ts", "BrowserDisconnectTests", "should throw when used after browser is disconnected")]33        public async Task ShouldThrowWhenUsedAfterBrowserIsDisconnected()34        {35            await Page.GoToAsync(TestConstants.EmptyPage);36            var browser = Page.Browser;37            await browser.DisconnectAsync();38            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () => await Page.EvaluateExpressionAsync("7 * 8"));39            Assert.Contains("Protocol error", exception.Message);40        }41        [PuppeteerTest("launcher.spec.ts", "BrowserDisconnectTests", "should throw when used after context is closed")]42        public async Task ShouldThrowWhenUsedAfterContextIsClosed()43        {44            await Page.GoToAsync(TestConstants.EmptyPage);45            var context = await Browser.NewContextAsync();

BrowserDisconnectTests

Using AI Code Generation

1using PuppeteerSharp.Tests;2LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();3using PuppeteerSharp.Tests;4LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();5using PuppeteerSharp.Tests;6LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();7using PuppeteerSharp.Tests;8LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();9using PuppeteerSharp.Tests;10LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();11using PuppeteerSharp.Tests;12LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();13using PuppeteerSharp.Tests;14LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();15using PuppeteerSharp.Tests;16LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();17using PuppeteerSharp.Tests;18LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();19using PuppeteerSharp.Tests;20LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();21using PuppeteerSharp.Tests;22LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();

BrowserDisconnectTests

Using AI Code Generation

1using PuppeteerSharp.Tests.LauncherTests;2LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();3using PuppeteerSharp.Tests.LauncherTests;4LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();5using PuppeteerSharp.Tests.LauncherTests;6LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();7using PuppeteerSharp.Tests.LauncherTests;8LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();9using PuppeteerSharp.Tests.LauncherTests;10LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();11using PuppeteerSharp.Tests.LauncherTests;12LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();13using PuppeteerSharp.Tests.LauncherTests;14LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();15using PuppeteerSharp.Tests.LauncherTests;16LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();17using PuppeteerSharp.Tests.LauncherTests;18LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();19using PuppeteerSharp.Tests.LauncherTests;20LauncherTests.BrowserDisconnectTests.BrowserDisconnectTests();

BrowserDisconnectTests

Using AI Code Generation

1{2    public async Task BrowserDisconnectTests()3    {4        var options = TestConstants.DefaultBrowserOptions();5        options.Headless = false;6        var browser = await Puppeteer.LaunchAsync(options);7        var page = await browser.NewPageAsync();8        var target = browser.Targets().Last();9        await target.Page.CloseAsync();10        var exception = await Assert.ThrowsAnyAsync<Exception>(() => target.Page.EvaluateExpressionAsync("1 + 1"));11        Assert.Equal("Protocol error (Target.closeTarget): Target closed.", exception.Message);12        await browser.CloseAsync();13    }14}15{16    public async Task BrowserDisconnectTests()17    {18        var options = TestConstants.DefaultBrowserOptions();19        options.Headless = false;20        var browser = await Puppeteer.LaunchAsync(options);21        var page = await browser.NewPageAsync();22        var target = browser.Targets().Last();23        await target.Page.CloseAsync();24        var exception = await Assert.ThrowsAnyAsync<Exception>(() => target.Page.EvaluateExpressionAsync("1 + 1"));25        Assert.Equal("Protocol error (Target.closeTarget): Target closed.", exception.Message);26        await browser.CloseAsync();27    }28}29{30    public async Task BrowserDisconnectTests()31    {32        var options = TestConstants.DefaultBrowserOptions();33        options.Headless = false;34        var browser = await Puppeteer.LaunchAsync(options);35        var page = await browser.NewPageAsync();36        var target = browser.Targets().Last();37        await target.Page.CloseAsync();38        var exception = await Assert.ThrowsAnyAsync<Exception>(() => target.Page.EvaluateExpressionAsync("1 + 1"));39        Assert.Equal("Protocol error (Target.closeTarget): Target closed.", exception.Message);40        await browser.CloseAsync();41    }42}43{

BrowserDisconnectTests

Using AI Code Generation

1using PuppeteerSharp.Tests.LauncherTests;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var launcher = new BrowserDisconnectTests();9            await launcher.BrowserDisconnectTests();10        }11    }12}13using PuppeteerSharp.Tests.BrowserTests;14using System;15using System.Threading.Tasks;16{17    {18        static async Task Main(string[] args)19        {20            var browser = new BrowserEventsTests();21            await browser.BrowserEventsTests();22        }23    }24}25using PuppeteerSharp.Tests.BrowserTests;26using System;27using System.Threading.Tasks;28{29    {30        static async Task Main(string[] args)31        {32            var browser = new BrowserCloseTests();33            await browser.BrowserCloseTests();34        }35    }36}37using PuppeteerSharp.Tests.BrowserTests;38using System;39using System.Threading.Tasks;40{41    {42        static async Task Main(string[] args)43        {44            var browser = new BrowserCloseTests();45            await browser.BrowserCloseTests();46        }47    }48}49using PuppeteerSharp.Tests.BrowserTests;50using System;51using System.Threading.Tasks;52{53    {54        static async Task Main(string[] args)55        {56            var browser = new BrowserVersionTests();57            await browser.BrowserVersionTests();58        }59    }60}61using PuppeteerSharp.Tests.BrowserTests;62using System;63using System.Threading.Tasks;64{65    {

BrowserDisconnectTests

Using AI Code Generation

1using System;2using System.IO;3using System.Linq;4using System.Reflection;5using System.Threading.Tasks;6using NUnit.Framework;7using PuppeteerSharp.Tests.Attributes;8using PuppeteerSharp.Xunit;9using Xunit;10{11    [Collection(TestConstants.TestFixtureCollectionName)]12    {13        [PuppeteerTest("launcher.spec.ts", "Browser.disconnect", "should reject all promises when browser is closed")]14        public async Task ShouldRejectAllPromisesWhenBrowserIsClosed()15        {16            var originalConsole = Console.Out;17            var newConsole = new StringWriter();18            Console.SetOut(newConsole);19            var browser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions());20            var page = await browser.NewPageAsync();21            var neverResolves = page.EvaluateFunctionHandleAsync("() => new Promise(r => {})");22            await browser.CloseAsync();23            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () => await neverResolves);24            Assert.AreEqual("Protocol error (Target.closeTarget): Target closed.", exception.Message);25            Console.SetOut(originalConsole);26            Assert.AreEqual(string.Empty, newConsole.ToString());27        }28    }29}30using System;31using System.IO;32using System.Linq;33using System.Reflection;34using System.Threading.Tasks;35using NUnit.Framework;36using PuppeteerSharp.Tests.Attributes;37using PuppeteerSharp.Xunit;38using Xunit;39{40    [Collection(TestConstants.TestFixtureCollectionName)]41    {42        [PuppeteerTest("launcher.spec.ts", "Browser.disconnect", "should reject navigation when browser is closed")]43        public async Task ShouldRejectNavigationWhenBrowserIsClosed()44        {45            var originalConsole = Console.Out;46            var newConsole = new StringWriter();47            Console.SetOut(newConsole);48            var browser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions());49            var page = await browser.NewPageAsync();50            await browser.CloseAsync();51            var exception = await Assert.ThrowsAsync<TargetClosedException>(async ()

BrowserDisconnectTests

Using AI Code Generation

1{2        public async Task ShouldRejectAllPromisesWhenBrowserIsClosed()3        {4            var originalBrowser = Page.Browser;5            var newPage = await originalBrowser.NewPageAsync();6            var neverResolves = newPage.EvaluateExpressionHandleAsync("new Promise(r => {})");7            await originalBrowser.CloseAsync();8            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () => await neverResolves);9            Assert.Equal("Protocol error (Target.closeTarget): Target closed.", exception.Message);10        }11        public async Task ShouldTerminateNetworkWaiters()12        {13            var originalBrowser = Page.Browser;14            var newPage = await originalBrowser.NewPageAsync();15            await originalBrowser.CloseAsync();16            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () => await neverResolves);17            Assert.Equal("Protocol error (Target.closeTarget): Target closed.", exception.Message);18        }19        public async Task ShouldTerminateNavigationWaiters()20        {21            var originalBrowser = Page.Browser;22            var newPage = await originalBrowser.NewPageAsync();23            var neverResolves = newPage.WaitForNavigationAsync();24            await originalBrowser.CloseAsync();25            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () => await neverResolves);26            Assert.Equal("Protocol error (Target.closeTarget): Target closed.", exception.Message);27        }28        public async Task ShouldTerminateConsoleMessageWaiters()29        {30            var originalBrowser = Page.Browser;31            var newPage = await originalBrowser.NewPageAsync();32            var neverResolves = newPage.WaitForConsoleMessageAsync();33            await originalBrowser.CloseAsync();34            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () => await neverResolves);35            Assert.Equal("Protocol error (Target.closeTarget): Target closed.", exception.Message);36        }37        public async Task ShouldTerminateDialogWaiters()38        {39            var originalBrowser = Page.Browser;40            var newPage = await originalBrowser.NewPageAsync();41            var neverResolves = newPage.WaitForDialogAsync();42            await originalBrowser.CloseAsync();43            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () => await neverResolves

BrowserDisconnectTests

Using AI Code Generation

1using PuppeteerSharp.Tests.LauncherTests;2using System;3using System.Threading.Tasks;4{5    {6        public Browser Browser { get; set; }7        public async Task BrowserDisconnectTests()8        {9        }10    }11}

BrowserDisconnectTests

Using AI Code Generation

1using System;2using System.IO;3using System.Threading.Tasks;4using NUnit.Framework;5using PuppeteerSharp;6{7    {8        public async Task ShouldTerminateNetworkWaiters()9        {10            var url = Server.EmptyPage;11            var task = Page.GoToAsync(url, WaitUntilNavigation.Networkidle0);12            Server.Close();13            var exception = await Assert.ThrowsAsync<NavigationException>(() => task);14            Assert.AreEqual("Protocol error (Page.navigate): Target closed.", exception.Message);15        }16        public async Task ShouldTerminateNetworkWaiters2()17        {18            var url = Server.EmptyPage;19            var task = Page.GoToAsync(url, WaitUntilNavigation.Networkidle0);20            await Page.CloseAsync();21            var exception = await Assert.ThrowsAsync<NavigationException>(() => task);22            Assert.AreEqual("Protocol error (Page.navigate): Target closed.", exception.Message);23        }24        public async Task ShouldTerminateWaitForSelector()25        {26            var url = Server.Prefix + "/grid.html";27            var task = Page.WaitForSelectorAsync(".box:nth-of-type(99)");28            Server.Close();29            var exception = await Assert.ThrowsAsync<TargetClosedException>(() => task);30            Assert.AreEqual("Protocol error (Runtime.callFunctionOn): Target closed.", exception.Message);31        }32        public async Task ShouldTerminateWaitForXPath()33        {34            var url = Server.Prefix + "/grid.html";35            var task = Page.WaitForXPathAsync("/div/div/div/div");36            Server.Close();37            var exception = await Assert.ThrowsAsync<TargetClosedException>(() => task);38            Assert.AreEqual("Protocol error (Runtime.callFunctionOn): Target closed.", exception.Message);39        }40        public async Task ShouldTerminateWaitForSelectorWhenPageIsClosed()41        {42            var url = Server.Prefix + "/grid.html";43            var task = Page.WaitForSelectorAsync(".box:nth-of-type(99)");44            await Page.CloseAsync();45            var exception = await Assert.ThrowsAsync<TargetClosedException>(() => task);46            Assert.AreEqual("Protocol error (Runtime.callFunctionOn): Target closed.", exception.Message);47        }48        public async Task ShouldTerminateWaitForXPathWhenPageIsClosed()

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.