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How to use StartCSSCoverageAsync method of Microsoft.Playwright.Transport.Channels.PageChannel class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.Channels.PageChannel.StartCSSCoverageAsync

PageChannel.cs

Source:PageChannel.cs

...370                }).ToArray();371            }372            return (await Connection.SendMessageToServerAsync(Guid, "screenshot", args).ConfigureAwait(false))?.GetProperty("binary").GetBytesFromBase64();373        }374        internal Task StartCSSCoverageAsync(bool resetOnNavigation)375            => Connection.SendMessageToServerAsync(376                Guid,377                "crStartCSSCoverage",378                new Dictionary<string, object>379                {380                    ["resetOnNavigation"] = resetOnNavigation,381                });382        internal Task StartJSCoverageAsync(bool resetOnNavigation, bool reportAnonymousScripts)383            => Connection.SendMessageToServerAsync(384                Guid,385                "crStartJSCoverage",386                new Dictionary<string, object>387                {388                    ["resetOnNavigation"] = resetOnNavigation,...

StartCSSCoverageAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)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.EvaluateAsync("() => console.log('hello')");12            var cssCoverage = await page.StartCSSCoverageAsync(true);13            var cssCoverageData = await cssCoverage.StopAsync();14            Console.WriteLine(cssCoverageData);15        }16    }17}18{19    {20    },21    {22    },23    {24    },25    {26    },27    {28    },29    {30    },31    {32    },33    {34    },35    {36    },37    {38    },39    {40    },41    {42    },43    {44    },45    {46    },47    {48    },49    {50    },51    {52    },53    {

StartCSSCoverageAsync

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7{8    {9        static async Task Main(string[] args)10        {11            using var playwright = await Playwright.CreateAsync();12            var browser = await playwright.Chromium.LaunchAsync();13            var page = await browser.NewPageAsync();14            var cssCoverage = await page.StartCSSCoverageAsync();15            var coverage = await cssCoverage.StopAsync();16            foreach (var entry in coverage)17            {18                Console.WriteLine(entry.Url);19                foreach (var range in entry.Ranges)20                {21                    Console.WriteLine(range.Start);22                    Console.WriteLine(range.End);23                }24            }25            await browser.CloseAsync();26        }27    }28}29using System;30using System.Collections.Generic;31using System.Linq;32using System.Text;33using System.Threading.Tasks;34using Microsoft.Playwright;35{36    {37        static async Task Main(string[] args)38        {39            using var playwright = await Playwright.CreateAsync();40            var browser = await playwright.Chromium.LaunchAsync();41            var page = await browser.NewPageAsync();42            var cssCoverage = await page.StartCSSCoverageAsync();43            var coverage = await cssCoverage.StopAsync();44            foreach (var entry in coverage)45            {46                Console.WriteLine(entry.Url);47                foreach (var range in entry.Ranges)48                {49                    Console.WriteLine(range.Start);50                    Console.WriteLine(range.End);51                }52            }53            await browser.CloseAsync();54        }55    }56}57using System;58using System.Collections.Generic;59using System.Linq;60using System.Text;61using System.Threading.Tasks;62using Microsoft.Playwright;63{64    {65        static async Task Main(string[] args)66        {67            using var playwright = await Playwright.CreateAsync();

StartCSSCoverageAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Transport.Channels;5{6    {7        static async Task Main(string[] args)8        {9            var playwright = await Playwright.CreateAsync();10            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            var pageChannel = (PageChannel) page;15            await pageChannel.StartCSSCoverageAsync(new PageStartCSSCoverageOptions16            {17            });18            var coverage = await pageChannel.StopCSSCoverageAsync();19            await browser.CloseAsync();20        }21    }22}23using System;24using System.Threading.Tasks;25using Microsoft.Playwright;26using Microsoft.Playwright.Transport.Channels;27{28    {29        static async Task Main(string[] args)30        {31            var playwright = await Playwright.CreateAsync();32            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions33            {34            });35            var page = await browser.NewPageAsync();36            var pageChannel = (PageChannel) page;37            await pageChannel.StartJSCoverageAsync(new PageStartJSCoverageOptions38            {39            });40            var coverage = await pageChannel.StopJSCoverageAsync();41            await browser.CloseAsync();42        }43    }44}45using System;46using System.Threading.Tasks;47using Microsoft.Playwright;48using Microsoft.Playwright.Transport.Channels;49{50    {51        static async Task Main(string[] args)52        {53            var playwright = await Playwright.CreateAsync();54            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions55            {56            });57            var page = await browser.NewPageAsync();

StartCSSCoverageAsync

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Transport.Channels;8{9    {10        static async Task Main(string[] args)11        {12            using var playwright = await Playwright.CreateAsync();13            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions14            {15            });16            var page = await browser.NewPageAsync();17            var pageChannel = (PageChannel)page;18            await pageChannel.StartCSSCoverageAsync();19            var coverage = await pageChannel.GetCSSCoverageAsync();20            await pageChannel.StopCSSCoverageAsync();21            foreach (var entry in coverage)22            {23                Console.WriteLine(entry.Text);

StartCSSCoverageAsync

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Transport.Channels;8{9    {10        static async Task Main(string[] args)11        {12            using var playwright = await Playwright.CreateAsync();13            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });14            var context = await browser.NewContextAsync();15            var page = await context.NewPageAsync();16            await page.StartCSSCoverageAsync();17            await page.StopCSSCoverageAsync();18            var cssCoverage = await page.GetCSSCoverageAsync();19            foreach (var css in cssCoverage)20            {21                Console.WriteLine(css);22            }23            await context.CloseAsync();24        }25    }26}27using System;28using System.Collections.Generic;29using System.Linq;30using System.Text;31using System.Threading.Tasks;32using Microsoft.Playwright;33using Microsoft.Playwright.Transport.Channels;34{35    {36        static async Task Main(string[] args)37        {38            using var playwright = await Playwright.CreateAsync();39            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });40            var context = await browser.NewContextAsync();41            var page = await context.NewPageAsync();42            await page.StartCSSCoverageAsync();43            await page.StopCSSCoverageAsync();44            var cssCoverage = await page.GetCSSCoverageAsync();45            foreach (var css in cssCoverage)46            {47                Console.WriteLine(css);48            }49            await context.CloseAsync();50        }51    }52}

StartCSSCoverageAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            await using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            var cssCoverage = await page.StartCSSCoverageAsync(new PageStartCSSCoverageOptions14            {15            });16            var coverage = await cssCoverage.StopAsync();17            foreach (var entry in coverage)18            {19                Console.WriteLine(entry.Text);20            }21        }22    }23}24@font-face {25  font-family: 'Noto Sans';26  font-style: normal;27  font-weight: 400;28  font-display: swap;29  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;30}31@font-face {32  font-family: 'Noto Sans';33  font-style: normal;34  font-weight: 700;35  font-display: swap;

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.

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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.
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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.
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