How to use ShouldThrowExceptionInPageContext method of PuppeteerSharp.Tests.PageTests.ExposeFunctionTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.PageTests.ExposeFunctionTests.ShouldThrowExceptionInPageContext

ExposeFunctionTests.cs

Source:ExposeFunctionTests.cs

...18            var result = await Page.EvaluateExpressionAsync<int>("compute(9, 4)");19            Assert.Equal(36, result);20        }21        [Fact]22        public async Task ShouldThrowExceptionInPageContext()23        {24            await Page.ExposeFunctionAsync("woof", () => throw new Exception("WOOF WOOF"));25            var result = await Page.EvaluateFunctionAsync<JToken>(@" async () =>{26                try27                {28                    await woof();29                }30                catch (e)31                {32                    return { message: e.message, stack: e.stack};33                }34            }");35            Assert.Equal("WOOF WOOF", result.SelectToken("message").ToObject<string>());36            Assert.Contains("ExposeFunctionTests", result.SelectToken("stack").ToObject<string>());...

ShouldThrowExceptionInPageContext

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Tests.Attributes;4using Xunit;5using Xunit.Abstractions;6{7    [Collection(TestConstants.TestFixtureCollectionName)]8    {9        public ExposeFunctionTests(ITestOutputHelper output) : base(output)10        {11        }12        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should work")]13        public async Task ShouldWork()14        {15            await Page.ExposeFunctionAsync("woof", (string message) =>16            {17                return $"WOOF {message}";18            });19            var result = await Page.EvaluateExpressionAsync<string>("woof('doggo')");20            Assert.Equal("WOOF doggo", result);21        }22        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should throw exception in page context")]23        public async Task ShouldThrowExceptionInPageContext()24        {25            await Page.ExposeFunctionAsync("woof", (string message) =>26            {27                throw new Exception("WOOF WOOF");28            });29            var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() => Page.EvaluateExpressionAsync("woof('doggo')"));30            Assert.Contains("WOOF WOOF", exception.Message);31        }32        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should survive cross-process navigation")]33        public async Task ShouldSurviveCrossProcessNavigation()34        {35            await Page.ExposeFunctionAsync("woof", (string message) =>36            {37                return $"WOOF {message}";38            });39            await Page.GoToAsync(TestConstants.EmptyPage);40            var result = await Page.EvaluateExpressionAsync<string>("woof('doggo')");41            Assert.Equal("WOOF doggo", result);42        }43        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should await returned promise")]44        public async Task ShouldAwaitReturnedPromise()45        {46            await Page.ExposeFunctionAsync("asyncWoof", (string message) =>47            {48                return Task.FromResult($"WOOF {message}");49            });50            var result = await Page.EvaluateExpressionAsync<string>("asyncWoof('doggo')");51            Assert.Equal("WOOF

ShouldThrowExceptionInPageContext

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Tests.Attributes;4using PuppeteerSharp.Xunit;5using Xunit;6using Xunit.Abstractions;7{8    [Collection(TestConstants.TestFixtureCollectionName)]9    {10        public ExposeFunctionTests(ITestOutputHelper output) : base(output)11        {12        }13        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should work")]14        public async Task ShouldWork()15        {16            await Page.ExposeFunctionAsync("compute", (Func<int, int, int>)((a, b) => a * b));17            var result = await Page.EvaluateExpressionAsync<int>("compute(3, 5)");18            Assert.Equal(15, result);19        }20        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should work with complex objects")]21        public async Task ShouldWorkWithComplexObjects()22        {23            await Page.ExposeFunctionAsync("woof", (Func<string, object>)((doggo) => new { doggo }));24            var result = await Page.EvaluateExpressionAsync<object>("woof('doggo')");25            Assert.Equal("doggo", ((dynamic)result).doggo);26        }27        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should throw exception in page context")]28        public async Task ShouldThrowExceptionInPageContext()29        {30            await Page.ExposeFunctionAsync("woof", (Func<string, object>)((doggo) => new { doggo }));31            var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() => Page.EvaluateExpressionAsync<object>("woof('doggo')"));32            Assert.Equal("woof is not defined", exception.Message);33        }34        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should await returned promise")]35        public async Task ShouldAwaitReturnedPromise()36        {37            await Page.ExposeFunctionAsync("compute", (Func<int, int, Task<int>>)((a, b) => Task.FromResult(a * b)));38            var result = await Page.EvaluateExpressionAsync<int>("compute(3, 5)");39            Assert.Equal(15, result);40        }

ShouldThrowExceptionInPageContext

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using Xunit;7    using Xunit.Abstractions;8    {9        public ExposeFunctionTests(ITestOutputHelper output) : base(output)10        {11        }12        public async Task ShouldWork()13        {14            await Page.ExposeFunctionAsync("woof", () => "dog");15            var result = await Page.EvaluateExpressionAsync<string>("woof()");16            Assert.Equal("dog", result);17        }18        public async Task ShouldWorkWithMultipleArgs()19        {20            await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);21            var result = await Page.EvaluateExpressionAsync<int>("add(5, 6)");22            Assert.Equal(11, result);23        }24        public async Task ShouldTransferNaN()25        {26            await Page.ExposeFunctionAsync("foo", () => double.NaN);27            var result = await Page.EvaluateExpressionAsync<double>("foo()");28            Assert.True(double.IsNaN(result));29        }30        public async Task ShouldTransferUndefined()31        {32            await Page.ExposeFunctionAsync("foo", () => default(object));33            var result = await Page.EvaluateExpressionAsync<object>("foo()");34            Assert.Null(result);35        }36        public async Task ShouldTransferNull()37        {38            await Page.ExposeFunctionAsync("foo", () => null);39            var result = await Page.EvaluateExpressionAsync<object>("foo()");40            Assert.Null(result);41        }42        public async Task ShouldTransferInfinity()43        {44            await Page.ExposeFunctionAsync("foo", () => double.PositiveInfinity);45            var result = await Page.EvaluateExpressionAsync<double>("foo()");46            Assert.Equal(double.PositiveInfinity, result);47        }48        public async Task ShouldTransferNegativeInfinity()49        {50            await Page.ExposeFunctionAsync("foo", () => double.NegativeInfinity);51            var result = await Page.EvaluateExpressionAsync<double>("foo()");52            Assert.Equal(double.NegativeInfinity, result);53        }54        public async Task ShouldTransferFalse()55        {56            await Page.ExposeFunctionAsync("foo", () => false);57            var result = await Page.EvaluateExpressionAsync<bool>("foo()");

ShouldThrowExceptionInPageContext

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Tests.Attributes;4using PuppeteerSharp.Tests.BaseTests;5using Xunit;6using Xunit.Abstractions;7{8    [Collection(TestConstants.TestFixtureCollectionName)]9    {10        public ShouldThrowExceptionInPageContextTests(ITestOutputHelper output) : base(output)11        {12        }13        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should throw exception in page context")]14        public async Task ShouldThrowExceptionInPageContext()15        {16            await Page.ExposeFunctionAsync("woof", () => throw new Exception("WOOF WOOF"));17            var exception = await Assert.ThrowsAsync<Exception>(() => Page.EvaluateFunctionAsync("woof"));18            Assert.Contains("WOOF WOOF", exception.Message);19        }20    }21}22using System;23using System.Threading.Tasks;24using PuppeteerSharp.Tests.Attributes;25using PuppeteerSharp.Tests.BaseTests;26using Xunit;27using Xunit.Abstractions;28{29    [Collection(TestConstants.TestFixtureCollectionName)]30    {31        public ShouldThrowExceptionInPageContextTests(ITestOutputHelper output) : base(output)32        {33        }34        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should throw exception in page context")]35        public async Task ShouldThrowExceptionInPageContext()36        {37            await Page.ExposeFunctionAsync("woof", () => throw new Exception("WOOF WOOF"));38            var exception = await Assert.ThrowsAsync<Exception>(() => Page.EvaluateFunctionAsync("woof"));39            Assert.Contains("WOOF WOOF", exception.Message);40        }41    }42}43using System;

ShouldThrowExceptionInPageContext

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp.Tests.PageTests;7using PuppeteerSharp.Xunit;8using Xunit;9using Xunit.Abstractions;10{11    {12        public ExposeFunctionTests(ITestOutputHelper output) : base(output)13        {14        }15        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should work")]16        public async Task ShouldWork()17        {18            await Page.ExposeFunctionAsync("woof", (string s) => $"WOOF {s}");19            var result = await Page.EvaluateExpressionAsync<string>("woof('dog')");20            Assert.Equal("WOOF dog", result);21        }22        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should throw exception in page context")]23        public async Task ShouldThrowExceptionInPageContext()24        {25            await Page.ExposeFunctionAsync("woof", (string s) => throw new Exception("WOOF WOOF"));26            var exception = await Assert.ThrowsAsync<PuppeteerException>(() => Page.EvaluateExpressionAsync("woof('dog')"));27            Assert.Contains("Evaluation failed: Exception: WOOF WOOF", exception.Message);28        }29        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should await returned promise")]30        public async Task ShouldAwaitReturnedPromise()31        {32            await Page.ExposeFunctionAsync("asyncWoof", (string s) => Task.FromResult($"WOOF {s}"));33            var result = await Page.EvaluateExpressionAsync<string>("asyncWoof('dog')");34            Assert.Equal("WOOF dog", result);35        }36        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should work right after framenavigated")]37        public async Task ShouldWorkRightAfterFrameNavigated()38        {39            await Page.GoToAsync(TestConstants.EmptyPage);40            await FrameUtils.AttachFrameAsync(Page, "frame1", TestConstants.EmptyPage);41            var frame = Page.Frames.ElementAt(1);42            await frame.ExposeFunctionAsync("woof", (string s) => $"WOOF {s}");

ShouldThrowExceptionInPageContext

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4using Xunit;5using Xunit.Abstractions;6{7    [Collection("PuppeteerLoaderFixture collection")]8    {9        public ShouldThrowExceptionInPageContext(ITestOutputHelper output) : base(output)10        {11        }12        public async Task ShouldThrowExceptionInPageContext()13        {14            var exception = await Assert.ThrowsAsync<Exception>(() =>15            {16                Page.ExposeFunctionAsync("woof", () =>17                {18                    throw new Exception("WOOF WOOF");19                });20                return Page.EvaluateFunctionAsync("async () => woof()");21            });22            Assert.Contains("WOOF WOOF", exception.Message);23        }24    }25}26using PuppeteerSharp;27using System;28using System.Threading.Tasks;29using Xunit;30using Xunit.Abstractions;31{32    [Collection("PuppeteerLoaderFixture collection")]33    {34        public ShouldWork(ITestOutputHelper output) : base(output)35        {36        }37        public async Task ShouldWork()38        {39            await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);40            var result = await Page.EvaluateFunctionAsync<int>("async () => add(5, 6)");41            Assert.Equal(11, result);42        }43    }44}45using PuppeteerSharp;46using System;47using System.Threading.Tasks;48using Xunit;49using Xunit.Abstractions;50{51    [Collection("PuppeteerLoaderFixture collection")]52    {53        public ShouldWorkWithHandles(ITestOutputHelper output) : base(output)54        {55        }56        public async Task ShouldWorkWithHandles()57        {58            await Page.ExposeFunctionAsync("readfile", async (string a) => File.ReadAllText(a));

ShouldThrowExceptionInPageContext

Using AI Code Generation

1using PuppeteerSharp.Tests.PageTests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should throw exception in page context")]10        public async Task ShouldThrowExceptionInPageContext()11        {12            await Page.ExposeFunctionAsync("woof", () => throw new Exception("WOOF WOOF"));13            var exception = await Assert.ThrowsAsync<PuppeteerException>(() => Page.EvaluateFunctionAsync("woof"));14            Assert.Contains("WOOF WOOF", exception.Message);15        }16    }17}18using PuppeteerSharp.Tests.PageTests;19using System;20using System.Collections.Generic;21using System.Linq;22using System.Text;23using System.Threading.Tasks;24{25    {26        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should work")]27        public async Task ShouldWork()28        {29            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);30            var result = await Page.EvaluateFunctionAsync<int>("async function() { return await compute(9, 4); }");31            Assert.Equal(36, result);32        }33    }34}35using PuppeteerSharp.Tests.PageTests;36using System;37using System.Collections.Generic;38using System.Linq;39using System.Text;40using System.Threading.Tasks;41{42    {43        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should work with complex objects")]44        public async Task ShouldWorkWithComplexObjects()45        {46            await Page.ExposeFunctionAsync("complexObject", new { foo = "bar

ShouldThrowExceptionInPageContext

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Tests.Attributes;4using Xunit;5using Xunit.Abstractions;6{7    [Collection(TestConstants.TestFixtureCollectionName)]8    {9        public ExposeFunctionTests(ITestOutputHelper output) : base(output)10        {11        }12        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should work")]13        public async Task ShouldWork()14        {15            await Page.ExposeFunctionAsync("compute", (Func<int, int, int>)((a, b) => a * b));16            var result = await Page.EvaluateExpressionAsync<int>("compute(9, 4)");17            Assert.Equal(36, result);18        }19        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should work with complex objects")]20        public async Task ShouldWorkWithComplexObjects()21        {22            await Page.ExposeFunctionAsync("woof", (Action<string, object>)((a, b) => Output.WriteLine($"{a}: {b}")));23            var result = await Page.EvaluateExpressionAsync<int>(@"async function() {24                woof('dog', {foo: 'bar'});25                return 5;26            }()");27            Assert.Equal(5, result);28        }29        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should throw exception in page context")]30        public async Task ShouldThrowExceptionInPageContext()31        {32            await Page.ExposeFunctionAsync("woof", (Action<string>)((a) => Output.WriteLine(a)));33            var result = await Page.EvaluateExpressionAsync<int>(@"async function() {34                {35                    woof('doge');36                }37                catch (e)38                {39                    return e.message;40                }41            }()");42            Assert.Equal("woof is not a function", result);43        }44        [PuppeteerTest("page.spec.ts", "Page.exposeFunction", "should throw exception in page context")]45        public async Task ShouldThrowExceptionInPageContext2()46        {47            await Page.ExposeFunctionAsync("woof", (Action<string>)((a) => Output.WriteLine(a)));

ShouldThrowExceptionInPageContext

Using AI Code Generation

1{2    [Collection("PuppeteerLoaderFixture collection")]3    {4        public async Task ShouldThrowExceptionInPageContext()5        {6            await Page.ExposeFunctionAsync("woof", () => throw new Exception("WOOF WOOF"));7            var exception = await Assert.ThrowsAsync<PuppeteerException>(() => Page.EvaluateFunctionAsync("async() => woof()"));8            Assert.Contains("WOOF WOOF", exception.Message);9        }10    }11}

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