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How to use pageExposeFunctionAsync method of Microsoft.Playwright.Tests.BrowserContextExposeFunctionTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.BrowserContextExposeFunctionTests.pageExposeFunctionAsync

pageExposeFunctionAsync

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using NUnit.Framework;6{7    {8        [PlaywrightTest("browsercontext-expose-function.spec.ts", "should work")]9        [Test, Timeout(TestConstants.DefaultTestTimeout)]10        public async Task ShouldWork()11        {12            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);13            var result = await Page.EvaluateAsync<int>("async () => compute(9, 4)");14            Assert.AreEqual(36, result);15        }16        [PlaywrightTest("browsercontext-expose-function.spec.ts", "should work with complex objects")]17        [Test, Timeout(TestConstants.DefaultTestTimeout)]18        public async Task ShouldWorkWithComplexObjects()19        {20            await Page.ExposeFunctionAsync("woof", new { name = "doggo" });21            var result = await Page.EvaluateAsync<string>("async () => woof.name");22            Assert.AreEqual("doggo", result);23        }24        [PlaywrightTest("browsercontext-expose-function.spec.ts", "should work with ElementHandle")]25        [Test, Timeout(TestConstants.DefaultTestTimeout)]26        public async Task ShouldWorkWithElementHandle()27        {28            await Page.ExposeFunctionAsync("getElementProperty", (ElementHandle element, string propertyName) => element.GetPropertyAsync(propertyName));29            await Page.SetContentAsync("<section id=\"testAttribute\">43543</section>");30            var element = await Page.QuerySelectorAsync("section");31            var result = await Page.EvaluateAsync<int>("async () => getElementProperty(document.getElementById('testAttribute'), 'id').then(e => e.jsonValue())");32            Assert.AreEqual(43543, result);33        }34        [PlaywrightTest("browsercontext-expose-function.spec.ts", "should throw for conflicting window values")]35        [Test, Timeout(TestConstants.DefaultTestTimeout)]36        public async Task ShouldThrowForConflictingWindowValues()37        {38            await Page.SetContentAsync("<div>hello</div>");39            await Page.ExposeFunctionAsync("conflictingFunction", () => { });40            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.ExposeFunctionAsync("conflictingFunction", () => { }));41            Assert.AreEqual("Failed to add window.conflictingFunction: window[\"conflictingFunction\"] already exists", exception.Message);

pageExposeFunctionAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests;5using Xunit;6using Xunit.Abstractions;7{8    {9        internal BrowserContextExposeFunctionTests(ITestOutputHelper output) : base(output)10        {11        }12        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]13        public async Task ShouldWork()14        {15            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);16            var result = await Page.EvaluateAsync<int>("async()=>{return await compute(9, 4);}");17            Assert.Equal(36, result);18        }19    }20}21{22    {23        internal BrowserContextExposeFunctionTests(ITestOutputHelper output) : base(output)24        {25        }26    }27}

pageExposeFunctionAsync

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions12            {13            });14            var page = await browser.NewPageAsync();15            await page.ExposeFunctionAsync("add", (int a, int b) => a + b);16            var result = await page.EvaluateAsync<int>("async() => { return await add(5, 6); }");17            Console.WriteLine(result);18        }19    }20}21using Microsoft.Playwright;22using System;23using System.Collections.Generic;24using System.Text;25using System.Threading.Tasks;26{27    {28        static async Task Main(string[] args)29        {30            using var playwright = await Playwright.CreateAsync();31            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions32            {33            });34            var page = await browser.NewPageAsync();35            await page.ExposeFunctionAsync("add", (int a, int b) => a + b);36            var result = await page.EvaluateAsync<int>("async() => { return await add(5, 6); }");37            Console.WriteLine(result);38        }39    }40}41using Microsoft.Playwright;42using System;43using System.Collections.Generic;44using System.Text;45using System.Threading.Tasks;46{47    {48        static async Task Main(string[] args)49        {50            using var playwright = await Playwright.CreateAsync();51            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions52            {53            });54            var page = await browser.NewPageAsync();

pageExposeFunctionAsync

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System;4using System.Collections.Generic;5using System.Text;6using System.Threading.Tasks;7using Xunit;8using Xunit.Abstractions;9{10    [Collection(TestConstants.TestFixtureBrowserCollectionName)]11    {12        public BrowserContextExposeFunctionTests(ITestOutputHelper output) : base(output)13        {14        }15        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]16        public async Task ShouldWork()17        {18            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);19            var result = await Page.EvaluateAsync<int>("async function() { return await compute(9, 4); }()");20            Assert.Equal(36, result);21        }22        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]23        public async Task ShouldThrowIfUnderlyingElementWasDisposed()24        {25            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);26            await Page.CloseAsync();27            var exception = await Assert.ThrowsAsync<PlaywrightSharpException>(() => Page.EvaluateAsync<int>("async function() { return await compute(9, 4); }()"));28            Assert.Equal("Function has been disposed", exception.Message);29        }30        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]

pageExposeFunctionAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests;5{6    {7        static async Task Main(string[] args)8        {9            await using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions{Headless = false});11            var page = await browser.NewPageAsync();12            await page.ExposeFunctionAsync("add", (int a, int b) => a + b);13            var result = await page.EvaluateAsync<int>("() => add(5, 6)");14            Console.WriteLine(result);15        }16    }17}18using System;19using System.Threading.Tasks;20using Microsoft.Playwright;21using Microsoft.Playwright.Tests;22{23    {24        static async Task Main(string[] args)25        {26            await using var playwright = await Playwright.CreateAsync();27            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions{Headless = false});28            var page = await browser.NewPageAsync();29            await page.ExposeFunctionAsync("add", (int a, int b) => a + b);30            var result = await page.EvaluateAsync<int>("() => add(5, 6)");31            Console.WriteLine(result);32        }33    }34}35using System;36using System.Threading.Tasks;37using Microsoft.Playwright;38using Microsoft.Playwright.Tests;39{40    {41        static async Task Main(string[] args)42        {

pageExposeFunctionAsync

Using AI Code Generation

1var page = await context.NewPageAsync();2await page.ExposeFunctionAsync("compute", (int a, int b) => a * b);3var result = await page.EvaluateAsync<int>("async () => compute(9, 4)");4Console.WriteLine(result);5var page = await context.NewPageAsync();6page.ExposeFunction("compute", (int a, int b) => a * b);7var result = await page.EvaluateAsync<int>("async () => compute(9, 4)");8Console.WriteLine(result);9var page = await context.NewPageAsync();10await page.ExposeFunctionAsync("compute", (int a, int b) => a * b);11var result = await page.EvaluateAsync<int>("async () => compute(9, 4)");12Console.WriteLine(result);13var page = await context.NewPageAsync();14page.ExposeFunction("compute", (int a, int b) => a * b);15var result = await page.EvaluateAsync<int>("async () => compute(9, 4)");16Console.WriteLine(result);17var page = await context.NewPageAsync();18await page.ExposeFunctionAsync("compute", (int a, int b) => a * b);19var result = await page.EvaluateAsync<int>("async ()

pageExposeFunctionAsync

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Xunit;8using Xunit.Abstractions;9{10    [Collection(TestConstants.TestFixtureBrowserCollectionName)]11    {12        public BrowserContextExposeFunctionTests(ITestOutputHelper output) : base(output)13        {14        }15        [PlaywrightTest("browsercontext-expose-function.spec.ts", "should work")]16        [Fact(Timeout = TestConstants.DefaultTestTimeout)]17        public async Task ShouldWork()18        {19            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);20            var result = await Page.EvaluateAsync<int>("async function() { return await compute(9, 4); }");21            Assert.Equal(36, result);22        }23        [PlaywrightTest("browsercontext-expose-function.spec.ts", "should work with complex objects")]24        [Fact(Timeout = TestConstants.DefaultTestTimeout)]25        public async Task ShouldWorkWithComplexObjects()26        {27            await Page.ExposeFunctionAsync("complexObject", new { foo = "bar!" });28            var result = await Page.EvaluateAsync<string>("async function() { return await complexObject.foo; }");29            Assert.Equal("bar!", result);30        }31        [PlaywrightTest("browsercontext-expose-function.spec.ts", "should work with ElementHandle arguments")]32        [Fact(Timeout = TestConstants.DefaultTestTimeout)]33        public async Task ShouldWorkWithElementHandleArguments()34        {35            await Page.SetContentAsync("<section>42</section>");36            await Page.ExposeFunctionAsync("getInnerText", (IElementHandle e) => e.InnerTextAsync());37            var result = await Page.EvaluateAsync<string>("async function() { return await getInnerText(document.querySelector('section')); }");38            Assert.Equal("42", result);39        }40        [PlaywrightTest("browsercontext-expose-function.spec.ts", "should work with null arguments")]41        [Fact(Timeout = TestConstants.DefaultTestTimeout)]42        public async Task ShouldWorkWithNullArguments()43        {44            await Page.ExposeFunctionAsync("

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