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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.
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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.