How to use ShouldBeCallableFromInsideAddInitScript method of Microsoft.Playwright.Tests.PageExposeFunctionTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldBeCallableFromInsideAddInitScript

PageExposeFunctionTests.cs

Source:PageExposeFunctionTests.cs

...105            }");106            Assert.AreEqual(null, null);107        }108        [PlaywrightTest("page-expose-function.spec.ts", "should be callable from-inside addInitScript")]109        public async Task ShouldBeCallableFromInsideAddInitScript()110        {111            bool called = false;112            await Page.ExposeFunctionAsync("woof", () =>113            {114                called = true;115            });116            await Page.AddInitScriptAsync("woof()");117            await Page.ReloadAsync();118            Assert.True(called);119        }120        [PlaywrightTest("page-expose-function.spec.ts", "should survive navigation")]121        public async Task ShouldSurviveNavigation()122        {123            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);...

ShouldBeCallableFromInsideAddInitScript

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Linq;5    using System.Text;6    using System.Threading.Tasks;7    using Microsoft.Playwright;8    using Microsoft.Playwright.NUnit;9    using NUnit.Framework;10    using NUnit.Framework.Constraints;11    [Parallelizable(ParallelScope.Self)]12    {13        [PlaywrightTest("page-expose-function.spec.ts", "should work")]14        [Test, Timeout(TestConstants.DefaultTestTimeout)]15        public async Task ShouldWork()16        {17            await Page.ExposeFunctionAsync("woof", () => "doggo");18            var result = await Page.EvaluateAsync<string>("woof()");19            Assert.AreEqual("doggo", result);20        }21        [PlaywrightTest("page-expose-function.spec.ts", "should work with complex objects")]22        [Test, Timeout(TestConstants.DefaultTestTimeout)]23        public async Task ShouldWorkWithComplexObjects()24        {25            await Page.ExposeFunctionAsync("complexObject", () => new { foo = "bar!" });26            var result = await Page.EvaluateAsync<string>("complexObject().foo");27            Assert.AreEqual("bar!", result);28        }29        [PlaywrightTest("page-expose-function.spec.ts", "should work with ElementHandle")]30        [Test, Timeout(TestConstants.DefaultTestTimeout)]31        public async Task ShouldWorkWithElementHandle()32        {33            await Page.SetContentAsync("<section>42</section>");34            await Page.ExposeFunctionAsync("getSection", () => Page.QuerySelectorAsync("section"));35            var result = await Page.EvaluateAsync<int>("(await getSection()).textContent");36            Assert.AreEqual(42, result);37        }38        [PlaywrightTest("page-expose-function.spec.ts", "should work with null")]39        [Test, Timeout(TestConstants.DefaultTestTimeout)]40        public async Task ShouldWorkWithNull()41        {42            await Page.ExposeFunctionAsync("nuller", () => null);43            var result = await Page.EvaluateAsync<string>("nuller()");44            Assert.AreEqual(null, result);45        }46        [PlaywrightTest("page-expose-function.spec.ts", "should work with undefined")]47        [Test, Timeout(TestConstants.DefaultTestTimeout)]48        public async Task ShouldWorkWithUndefined()49        {50            await Page.ExposeFunctionAsync("undefineder", () => null);51            var result = await Page.EvaluateAsync<string>("undefined

ShouldBeCallableFromInsideAddInitScript

Using AI Code Generation

1using Microsoft.Playwright;2using System.Threading.Tasks;3{4    {5        [PlaywrightTest("page-expose-function.spec.ts", "should be callable from inside addInitScript")]6        public async Task ShouldBeCallableFromInsideAddInitScript()7        {8            await using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            await page.ExposeFunctionAsync("woof", () => "WOOF WOOF");12            await page.AddInitScriptAsync("window.__injected = woof();");13            var result = await page.EvaluateAsync<string>("window.__injected");14            Assert.AreEqual("WOOF WOOF", result);15        }16    }17}18using Microsoft.Playwright;19using System.Threading.Tasks;20{21    {22        [PlaywrightTest("page-expose-function.spec.ts", "should throw if argument is not serializable")]23        public async Task ShouldThrowIfArgumentIsNotSerializable()24        {25            await using var playwright = await Playwright.CreateAsync();26            await using var browser = await playwright.Chromium.LaunchAsync();27            var page = await browser.NewPageAsync();28            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => page.ExposeFunctionAsync("woof", () => new PageExposeFunctionTests()));29            StringAssert.Contains("Argument is not serializable", exception.Message);30        }31    }32}33using Microsoft.Playwright;34using System.Threading.Tasks;35{36    {37        [PlaywrightTest("page-expose-function.spec.ts", "should throw if argument is not serializable")]38        public async Task ShouldThrowIfArgumentIsNotSerializable()39        {40            await using var playwright = await Playwright.CreateAsync();41            await using var browser = await playwright.Chromium.LaunchAsync();42            var page = await browser.NewPageAsync();43            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => page.ExposeFunctionAsync("woof", () => new PageExpose

ShouldBeCallableFromInsideAddInitScript

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Linq;5    using System.Text;6    using System.Text.Json;7    using System.Threading.Tasks;8    using Microsoft.Playwright;9    using NUnit.Framework;10    using NUnit.Framework.Interfaces;11    using NUnit.Framework.Internal;12    {13        [PlaywrightTest("page-expose-function.spec.ts", "should be callable from inside addInitScript")]14        [Test, Timeout(TestConstants.DefaultTestTimeout)]15        public async Task ShouldBeCallableFromInsideAddInitScript()16        {17            await Page.ExposeFunctionAsync("woof", () => "WOOF WOOF");18            await Page.AddInitScriptAsync("async () => window['__injected'] = await woof()");19            await Page.GotoAsync(Server.EmptyPage);20            Assert.AreEqual("WOOF WOOF", await Page.EvaluateAsync<string>("() => window['__injected']"));21        }22    }23}24{25    using System;26    using System.Collections.Generic;27    using System.Linq;28    using System.Text;29    using System.Text.Json;30    using System.Threading.Tasks;31    using Microsoft.Playwright;32    using NUnit.Framework;33    using NUnit.Framework.Interfaces;34    using NUnit.Framework.Internal;35    {36        [PlaywrightTest("page-expose-function.spec.ts", "should be callable from inside evaluateHandle")]37        [Test, Timeout(TestConstants.DefaultTestTimeout)]38        public async Task ShouldBeCallableFromInsideEvaluateHandle()39        {40            await Page.ExposeFunctionAsync("woof", () => "WOOF WOOF");41            await Page.GotoAsync(Server.EmptyPage);42            var handle = await Page.EvaluateHandleAsync("() => woof()");43            Assert.AreEqual("WOOF WOOF", await handle.JsonValueAsync<string>());44        }45    }46}

ShouldBeCallableFromInsideAddInitScript

Using AI Code Generation

1await page.ExposeFunctionAsync("woof", () => "WOOF WOOF");2await page.EvaluateAsync("() => globalThis.woof()");3await page.ExposeFunctionAsync("add", (int a, int b) => a + b);4await page.EvaluateAsync("() => globalThis.add(9, 4)");5await page.ExposeFunctionAsync("sub", (int a, int b) => a - b);6await page.EvaluateAsync("() => globalThis.sub(9, 4)");7await page.ExposeFunctionAsync("mul", (int a, int b) => a * b);8await page.EvaluateAsync("() => globalThis.mul(9, 4)");9await page.ExposeFunctionAsync("div", (int a, int b) => a / b);10await page.EvaluateAsync("() => globalThis.div(9, 4)");11await page.ExposeFunctionAsync("obj", () => new { foo = "bar" });12await page.EvaluateAsync("() => globalThis.obj().foo");13await page.ExposeFunctionAsync("arr", () => new[] { 1, 2, 3 });14await page.EvaluateAsync("() => globalThis.arr()[1]");15await page.ExposeFunctionAsync("nully", () => null);16await page.EvaluateAsync("() => globalThis.nully()");17await page.ExposeFunctionAsync("truthy", () => true);18await page.EvaluateAsync("() => globalThis.truthy()");19await page.ExposeFunctionAsync("falsy", () => false);20await page.EvaluateAsync("() => globalThis.falsy()");21await page.ExposeFunctionAsync("nan", () => double.NaN);22await page.EvaluateAsync("() => Number.isNaN(globalThis.nan())");23await page.ExposeFunctionAsync("infinity", () => double.PositiveInfinity);24await page.EvaluateAsync("() => globalThis.infinity()");25await page.ExposeFunctionAsync("negInfinity", () => double.NegativeInfinity);26await page.EvaluateAsync("() => globalThis.negInfinity()");27await page.ExposeFunctionAsync("regex", () => new Regex("foo"));28await page.EvaluateAsync("() => globalThis.regex().test('foobar')");29await page.ExposeFunctionAsync("err", () => throw new Exception("Error in test"));30await page.EvaluateAsync("() => globalThis.err()");31await page.ExposeFunctionAsync("divZero", () => 1 / 0);32await page.EvaluateAsync("() => globalThis

ShouldBeCallableFromInsideAddInitScript

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Xunit;7using Xunit.Abstractions;8using Microsoft.Playwright;9using Microsoft.Playwright.Tests;10using System.Threading;11{12[Collection(TestConstants.TestFixtureBrowserCollectionName)]13    {14        public PageExposeFunctionTests(ITestOutputHelper output) : base(output)15        {16        }17        public async Task ShouldBeCallableFromInsideAddInitScript()18        {19            await Page.ExposeFunctionAsync("woof", () => "WOOF WOOF");20            await Page.AddInitScriptAsync(@"() => {21                window['__woof'] = woof();22            }");23            var result = await Page.EvaluateAsync<string>("() => window['__woof']");24            Assert.Equal("WOOF WOOF", result);25        }26    }27}28at Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldBeCallableFromInsideAddInitScript() in C:\Users\mihai\source\repos\playwright-sharp\src\PlaywrightSharp.Tests\PageExposeFunctionTests.cs:line 2929Assert.Equal() Failure

ShouldBeCallableFromInsideAddInitScript

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright.Tests.BaseTests;7using NUnit.Framework;8{9    [Parallelizable(ParallelScope.Self)]10    {11        public async Task ShouldBeCallableFromInsideAddInitScript()12        {13            await Page.ExposeFunctionAsync("woof", () => "WOOF WOOF");14            await Page.AddInitScriptAsync("async () => window.__fromInit = await woof()");15            Assert.AreEqual("WOOF WOOF", await Page.EvaluateAsync<string>("() => window.__fromInit"));16        }17    }18}19using System;20using System.Collections.Generic;21using System.Linq;22using System.Text;23using System.Threading.Tasks;24using Microsoft.Playwright.Tests.BaseTests;25using NUnit.Framework;26{27    [Parallelizable(ParallelScope.Self)]28    {29        public async Task ShouldBeCallableFromInsideAddInitScript()30        {31            await Page.ExposeFunctionAsync("woof", () => "WOOF WOOF");32            await Page.AddInitScriptAsync("async () => window.__fromInit = await woof()");33            Assert.AreEqual("WOOF WOOF", await Page.EvaluateAsync<string>("() => window.__fromInit"));34        }35    }36}

ShouldBeCallableFromInsideAddInitScript

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });10            var page = await browser.NewPageAsync();11            await page.ExposeFunctionAsync("foo", (string arg) => arg);12            await page.AddInitScriptAsync("foo('test')");13            await page.EvaluateAsync("() => window.fooResult");14        }15    }16}17using System;18using System.Threading.Tasks;19using Microsoft.Playwright;20{21    {22        static async Task Main(string[] args)23        {24            using var playwright = await Playwright.CreateAsync();25            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });26            var page = await browser.NewPageAsync();27            await page.ExposeFunctionAsync("foo", (string arg) => arg);28            await page.AddInitScriptAsync("foo('test')");29            await page.EvaluateAsync("() => window.fooResult");30        }31    }32}33using System;34using System.Threading.Tasks;35using Microsoft.Playwright;36{

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.