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How to use AssertionsBase class of Microsoft.Playwright.Core package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.AssertionsBase

LocatorAssertions.cs

Source:LocatorAssertions.cs

...27using System.Threading.Tasks;28using Microsoft.Playwright.Transport.Protocol;29namespace Microsoft.Playwright.Core30{31    internal class LocatorAssertions : AssertionsBase, ILocatorAssertions32    {33        public LocatorAssertions(ILocator locator, bool isNot) : base(locator, isNot)34        {35        }36        public ILocatorAssertions Not => new LocatorAssertions(ActualLocator, !IsNot);37        public Task ToBeCheckedAsync(LocatorAssertionsToBeCheckedOptions options = null)38        {39            var isChecked = options == null || options.Checked == null || options.Checked == true;40            return ExpectTrueAsync(isChecked ? "to.be.checked" : "to.be.unchecked", $"Locator expected {(!isChecked ? "not " : string.Empty)}to be checked", ConvertToFrameExpectOptions(options));41        }42        public Task ToBeDisabledAsync(LocatorAssertionsToBeDisabledOptions options = null) => ExpectTrueAsync("to.be.disabled", "Locator expected to be disabled", ConvertToFrameExpectOptions(options));43        public Task ToBeEditableAsync(LocatorAssertionsToBeEditableOptions options = null) => ExpectTrueAsync("to.be.editable", "Locator expected to be editable", ConvertToFrameExpectOptions(options));44        public Task ToBeEmptyAsync(LocatorAssertionsToBeEmptyOptions options = null) => ExpectTrueAsync("to.be.empty", "Locator expected to be empty", ConvertToFrameExpectOptions(options));45        public Task ToBeEnabledAsync(LocatorAssertionsToBeEnabledOptions options = null) => ExpectTrueAsync("to.be.enabled", "Locator expected to be enabled", ConvertToFrameExpectOptions(options));...

AssertionsBase.cs

Source:AssertionsBase.cs

...29using Microsoft.Playwright.Helpers;30using Microsoft.Playwright.Transport.Protocol;31namespace Microsoft.Playwright.Core32{33    internal class AssertionsBase34    {35        public AssertionsBase(ILocator actual, bool isNot)36        {37            ActualLocator = (Locator)actual;38            IsNot = isNot;39        }40        protected bool IsNot { get; private set; }41        internal Locator ActualLocator { get; private set; }42        internal async Task ExpectImplAsync(string expression, ExpectedTextValue textValue, object expected, string message, FrameExpectOptions options)43        {44            await ExpectImplAsync(expression, new ExpectedTextValue[] { textValue }, expected, message, options).ConfigureAwait(false);45        }46        internal async Task ExpectImplAsync(string expression, ExpectedTextValue[] expectedText, object expected, string message, FrameExpectOptions options)47        {48            options = options ?? new();49            options.ExpectedText = expectedText;...

PageAssertions.cs

Source:PageAssertions.cs

...26using System.Threading.Tasks;27using Microsoft.Playwright.Transport.Protocol;28namespace Microsoft.Playwright.Core29{30    internal class PageAssertions : AssertionsBase, IPageAssertions31    {32        private readonly Page _page;33        public PageAssertions(IPage page, bool isNot) : base(PassThroughNonNull(page).Locator(":root"), isNot)34        {35            _page = (Page)page;36        }37        public IPageAssertions Not => new PageAssertions(_page, !IsNot);38        private static T PassThroughNonNull<T>(T value)39        {40            if (value == null)41            {42                throw new ArgumentNullException(nameof(value));43            }44            return value;...

AssertionsBase

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Core;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });11            var page = await browser.NewPageAsync();12            await page.ClickAsync("input[name='q']");13            await page.TypeAsync("input[name='q']", "Hello World");14            await page.ClickAsync("input[value='Google Search']");15            await page.WaitForNavigationAsync();16            await page.AssertAsync("Hello World", "Page title is not as expected");17            await browser.CloseAsync();18        }19    }20}21using Microsoft.Playwright;22using Microsoft.Playwright.Core;23using NUnit.Framework;24using System;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 LaunchOptions { Headless = false });32            var page = await browser.NewPageAsync();33            await page.ClickAsync("input[name='q']");34            await page.TypeAsync("input[name='q']", "Hello World");35            await page.ClickAsync("input[value='Google Search']");36            await page.WaitForNavigationAsync();37            Assert.AreEqual("Hello World", await page.TitleAsync(), "Page title is not as expected");38            await browser.CloseAsync();39        }40    }41}42using Microsoft.Playwright;43using Microsoft.Playwright.Core;44using System;45using System.Threading.Tasks;46using Xunit;47{48    {49        static async Task Main(string[] args)50        {51            using var playwright = await Playwright.CreateAsync();52            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });

AssertionsBase

Using AI Code Generation

1using Microsoft.Playwright.Core;2using Microsoft.Playwright.Core.Helpers;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        static void Main(string[] args)11        {12            var browser = Playwright.CreateBrowserAsync(BrowserType.Chromium).Result;13            var page = browser.NewPageAsync().Result;14            page.ClickAsync("input[name=q]").Wait();15            page.TypeAsync("input[name=q]", "Hello World").Wait();16            page.PressAsync("input[name=q]", "Enter").Wait();17            page.ScreenshotAsync("screenshot.png").Wait();18            browser.CloseAsync().Wait();19        }20    }21}22using Microsoft.Playwright;23using Microsoft.Playwright.Helpers;24using System;25using System.Collections.Generic;26using System.Linq;27using System.Text;28using System.Threading.Tasks;29{30    {31        static void Main(string[] args)32        {33            var playwright = Playwright.CreateAsync().Result;34            var browser = playwright.Chromium.LaunchAsync().Result;35            var page = browser.NewPageAsync().Result;36            page.ClickAsync("input[name=q]").Wait();37            page.TypeAsync("input[name=q]", "Hello World").Wait();38            page.PressAsync("input[name=q]", "Enter").Wait();39            page.ScreenshotAsync("screenshot.png").Wait();40            browser.CloseAsync().Wait();41        }42    }43}44using Microsoft.Playwright;45using Microsoft.Playwright.Helpers;46using System;47using System.Collections.Generic;48using System.Linq;49using System.Text;50using System.Threading.Tasks;51{52    {53        static void Main(string[] args)54        {55            using var playwright = Playwright.CreateAsync().Result;56            using var browser = playwright.Chromium.LaunchAsync().Result;57            using var page = browser.NewPageAsync().Result;58            page.ClickAsync("input[name=q]").Wait();59            page.TypeAsync("input[name=q

AssertionsBase

Using AI Code Generation

1using Microsoft.Playwright.Core;2using Microsoft.Playwright;3using System;4using System.Linq;5using System.Threading.Tasks;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions12            {13            });14            var page = await browser.NewPageAsync();15            await page.TypeAsync("input[aria-label='Search']", "Playwright");16            await page.ClickAsync("text=Playwright");17            await page.ClickAsync("text=Docs");18            var element = await page.QuerySelectorAsync("text=API reference");19            var text = await element.GetTextContentAsync();20            Console.WriteLine(text);21            await browser.CloseAsync();22        }23    }24}

AssertionsBase

Using AI Code Generation

1using Microsoft.Playwright.Core;2using Microsoft.Playwright.Helpers;3using Microsoft.Playwright;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9{10    {11        static async Task Main(string[] args)12        {13            var playwright = await Playwright.CreateAsync();14            var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions15            {16            });17            var page = await browser.NewPageAsync();18            await page.TypeAsync("input[title='Search']", "Hello World!");19            await page.PressAsync("input[title='Search']", "Enter");20            await page.ScreenshotAsync("screenshot.png");21            await browser.CloseAsync();22        }23    }24}25Error	CS0246	The type or namespace name 'AssertionsBase' could not be found (are you missing a using directive or an assembly reference?)	PlaywrightTest	C:\Users\user\source\repos\PlaywrightTest\PlaywrightTest\Program.cs	8	Active

AssertionsBase

Using AI Code Generation

1using Microsoft.Playwright.Core;2using Microsoft.Playwright;3using System;4using System.Threading.Tasks;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();11            var page = await browser.NewPageAsync();12            var title = await page.TitleAsync();13            Console.WriteLine(title);14        }15    }16}

AssertionsBase

Using AI Code Generation

1using Microsoft.Playwright.Core;2using Microsoft.Playwright.Helpers;3using Microsoft.Playwright.NUnit;4using NUnit.Framework;5using System;6using System.Threading.Tasks;7{8    {9        public async Task TestMethod()10        {11            var page = await Browser.NewPageAsync();12            await page.ScreenshotAsync(new PageScreenshotOptions() { Path = "screenshot.png" });13        }14    }15}16I am unable to figure out how to access the .NET Core API of Playwright. I am using the latest version of Playwright. I have tried to use the Microsoft.Playwright.Core package but that doesn't seem to have the API that I need. I am getting the error "The type or namespace name 'Playwright' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?)" when I try to use the API. I am able to use the API when using the Microsoft.Playwright package but I don't want to use that package as it is not compatible with .NET Core. I have seen a lot of people using the Microsoft.Playwright package but I don't want to use it as it is not compatible with .NET Core. I have seen a lot of people using the Microsoft.Playwright package but I don't want to use it as it is not compatible with .NET Core. I have seen a lot of people using the Microsoft.Playwright package but I don't want to use it as it is not compatible with .NET Core. I have seen a lot of people using the Microsoft.Playwright package but I don't want to use it as it is not compatible with .NET Core. I have seen a lot of people using the Microsoft.Playwright package but I don't want to use it as it is not compatible with .NET Core. I have seen a lot of people using the Microsoft.Playwright package but I don't want to use it as it is not compatible with .NET Core. I have seen a lot of people using the Microsoft.Playwright package but I don't want to use it as it is not compatible with .NET Core. I have seen a lot of people using the Microsoft.Playwright package but I don't want to use it as it is not compatible with .NET Core. I have seen a lot of people using the Microsoft.Playwright package but I don

AssertionsBase

Using AI Code Generation

1using Microsoft.Playwright.Core;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        public void AssertEquals(object expected, object actual)10        {11            if (!expected.Equals(actual))12            {13                throw new Exception(String.Format("Expected value is {0} but actual value is {1}", expected, actual));14            }15        }16    }17}18using Microsoft.Playwright.Core;19using System;20using System.Collections.Generic;21using System.Linq;22using System.Text;23using System.Threading.Tasks;24{25    {26        public void AssertEquals(object expected, object actual)27        {28            if (!expected.Equals(actual))29            {30                throw new Exception(String.Format("Expected value is {0} but actual value is {1}", expected, actual));31            }32        }33    }34    {35        public void TestMethod()36        {37        }38    }39}40using Microsoft.Playwright.Core;41using System;42using System.Collections.Generic;43using System.Linq;44using System.Text;45using System.Threading.Tasks;46{

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.