KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use TaskQueue class of Microsoft.Playwright.Helpers package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Helpers.TaskQueue

Connection.cs

Source:Connection.cs

...42    internal class Connection : IDisposable43    {44        private readonly ConcurrentDictionary<int, ConnectionCallback> _callbacks = new();45        private readonly Root _rootObject;46        private readonly TaskQueue _queue = new();47        private int _lastId;48        private string _reason = string.Empty;49        public Connection()50        {51            _rootObject = new(null, this, string.Empty);52            DefaultJsonSerializerOptions = JsonExtensions.GetNewDefaultSerializerOptions();53            DefaultJsonSerializerOptions.Converters.Add(new ChannelToGuidConverter(this));54            DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerToGuidConverter<JSHandle>(this));55            DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerToGuidConverter<ElementHandle>(this));56            DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerToGuidConverter<IChannelOwner>(this));57            // Workaround for https://github.com/dotnet/runtime/issues/4652258            DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerListToGuidListConverter<WritableStream>(this));59        }60        /// <inheritdoc cref="IDisposable.Dispose"/>...

TaskQueue.cs

Source:TaskQueue.cs

...25using System.Threading;26using System.Threading.Tasks;27namespace Microsoft.Playwright.Helpers28{29    internal class TaskQueue : IDisposable30    {31        private readonly SemaphoreSlim _semaphore;32        private bool _disposed;33        internal TaskQueue() => _semaphore = new(1, 1);34        public void Dispose()35        {36            _disposed = true;37            _semaphore.Dispose();38        }39        internal async Task EnqueueAsync(Func<Task> taskGenerator)40        {41            await _semaphore.WaitAsync().ConfigureAwait(false);42            try43            {44                await taskGenerator().ConfigureAwait(false);45            }46            finally47            {...

TaskQueue

Using AI Code Generation

1var taskQueue = new TaskQueue();2await taskQueue.Enqueue(async () =>3{4    var browser = await Playwright.CreateAsync();5    var context = await browser.NewContextAsync();6    var page = await context.NewPageAsync();7    await page.ScreenshotAsync(new PageScreenshotOptions8    {9    });10    await browser.CloseAsync();11});12var taskQueue = new TaskQueue();13await taskQueue.Enqueue(async () =>14{15    var browser = await Playwright.CreateAsync();16    var context = await browser.NewContextAsync();17    var page = await context.NewPageAsync();18    await page.ScreenshotAsync(new PageScreenshotOptions19    {20    });21    await browser.CloseAsync();22});

TaskQueue

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Helpers;3{4    {5        static async Task Main(string[] args)6        {7            {8            }.WithChromium().LaunchAsync(async browser =>9            {10                var page = await browser.NewPageAsync();11                await page.ScreenshotAsync("screenshot.png");12            });13        }14    }15}16using Microsoft.Playwright;17using Microsoft.Playwright.Helpers;18{19    {20        static async Task Main(string[] args)21        {22            {23            }.WithChromium().LaunchAsync(async browser =>24            {25                var page = await browser.NewPageAsync();26                await page.ScreenshotAsync("screenshot.png");27            });28        }29    }30}31using Microsoft.Playwright;32using Microsoft.Playwright.Helpers;33{34    {35        static async Task Main(string[] args)36        {37            {38            }.WithChromium().LaunchAsync(async browser =>39            {40                var page = await browser.NewPageAsync();41                await page.ScreenshotAsync("screenshot.png");42            });43        }44    }45}46using Microsoft.Playwright;47using Microsoft.Playwright.Helpers;48{49    {50        static async Task Main(string[] args)51        {52            {53            }.WithChromium().LaunchAsync(async browser =>54            {55                var page = await browser.NewPageAsync();56                await page.ScreenshotAsync("screenshot.png");57            });58        }59    }60}

TaskQueue

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Helpers;3{4    {5        static async Task Main(string[] args)6        {7            {8            }.WithChromium().LaunchAsync(async browser =>9            {10                var page = await browser.NewPageAsync();11                await page.ScreenshotAsync("screenshot.png");12            });13        }14    }15}16using Microsoft.Playwright;17using Microsoft.Playwright.Helpers;18{19    {20        static async Task Main(string[] args)21        {22            {23            }.WithChromium().LaunchAsync(async browser =>24            {25                var page = await browser.NewPageAsync();26                await page.ScreenshotAsync("screenshot.png");27            });28        } execute Playw

TaskQueue

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Helpers;4using Microsoft.Playwright;5{6    {7        privateradonly int _maDegreeOfParallelism;8        private readonly SemaphoreSlim _semaphore;9        private readonly Queue<Task> _tasks = new Queu<Task>();10        publi TaskQeue(in maxDegreeOfParalllism)11        {12           _maxDegreeOfaralleism = mxDegreeOfParallelism;13            _semaphore = new SemaphoreSlim(_maxDegreeOfParallelism);14        }15        public async Task<TResult> Enqueue<TResult>(Func<Task<TResult>> taskFactor)16        {17            await _semaphore.WaitAsync();18            {19                var task = taskFactory();20                _tasks.Enqueue(task);21                return await task;22            }23            {24                _semaphore.Release();25            }26        }27        public async Task Enqueue(Func<Task> taskFactory)28        {29            await _semaphore.WaitAsync();30            {31                var task = taskFactory();32                _tasks.Enqueue(task);33                await task;34            }35            {36                _semaphore.Release();37            }38        }39        public async Task WhenAll()40        {41            await Task.WhenAll(_tasks);42        }43    }44}45using System;46using System.Threading.Tasks;47using Microsoft.Playwright;48using Microsoft.Playwright.Helpers;49{50    {51        private readonly string _browserType;52        private readonly string _url;53        private readonly int _maxDegreeOfParallelism;54        private readonly TaskQueue _taskQueue;55        private readonly string _outputPath;56        private readonly string _fileName;57        public PlaywrightSharp(string broserType, string url, int maxDegreeOfParallelism, string outputPath, string fileName)58        {59            _browserType = browserType;60            _url = url;61            _maxDegreeOfParallelism = maxDegreeOfParallelism;62            _taskQueue = new TaskQueue(_maxDegreeOfParallelism);63            _outputPath = outputPath;64            _fileName = fileName;65        }66        public async Task GeneratePdf()67        {68            Console.WriteLine($"Generating pdf for {_url} using {_browserType} browser");69            await Playwright.InstallAsync();70            await using var playwright = await Playwright.CreateAsync();

TaskQueue

Using AI Code Generation

1var taskQueue = new TaskQueue();2await taskQueue.Enqueue(async () =>3{4});5var taskQueue = new TaskQueue();6await taskQueue.Enqueue(async () =>7{8});9var taskQueue = new TaskQueue();10await taskQueue.Enqueue(async () =>11{12});13var taskQueue = new TaskQueue();14await taskQueue.Enqueue(async () =>15{16});17var taskQueue = new TaskQueue();18await taskQueue.Enqueue(async () =>19{20});21var taskQueue = new TaskQueue();22await taskQueue.Enqueue(async () =>23{24});25var taskQueue = new TaskQueue();26await taskQueue.Enqueue(async () =>27{28});29var taskQueue = new TaskQueue();30await taskQueue.Enqueue(async () =>31{32});33var taskQueue = new TaskQueue();34await taskQueue.Enqueue(async () =>35{36});37var taskQueue = new TaskQueue();38await taskQueue.Enqueue(async () =>39{40});

TaskQueue

Using AI Code Generation

1using Microsoft.Playwright.Helpers;2var taskQueue = new TaskQueue();3await taskQueue.Enqueue(() => {4});5await taskQueue.Enqueue(() => {6});7await taskQueue.Enqueue(() => {8});9await taskQueue.Enqueue(() => {10});11await taskQueue.Enqueue(() => {12});13await taskQueue.Enqueue(() => {14});15await taskQueue.Enqueue(() => {16});17await taskQueue.Enqueue(() => {18});19await taskQueue.Enqueue(() => {20});21await taskQueue.Enqueue(() => {22});23await taskQueue.Enqueue(() => {24});25await taskQueue.Enqueue(() => {26});27await taskQueue.Enqueue(() => {28});29await taskQueue.Enqueue(() => {30});31await taskQueue.Enqueue(() => {32});33await taskQueue.Enqueue(() => {34});35await taskQueue.Enqueue(() => {36});37await taskQueue.Enqueue(() => {38});39await taskQueue.Enqueue(() => {40});41await taskQueue.Enqueue(() => {42});43await taskQueue.Enqueue(() => {44});45await taskQueue.Enqueue(() => {46});47await taskQueue.Enqueue(() => {48});49await taskQueue.Enqueue(() => {50});51await taskQueue.Enqueue(() => {52});53await taskQueue.Enqueue(() => {54});55await taskQueue.Enqueue(() => {56});57await taskQueue.Enqueue(() => {58});59await taskQueue.Enqueue(() => {60});61await taskQueue.Enqueue(() => {62});63await taskQueue.Enqueue(() => {64});65await taskQueue.Enqueue(() => {66});67await taskQueue.Enqueue(() => {68});69await taskQueue.Enqueue(() => {70    }71}72using Microsoft.Playwright;73using Microsoft.Playwright.Helpers;74{75    {76        static async Task Main(string[] args)77        {78            {79            }.WithChromium().LaunchAsync(async browser =>80            {81                var page = await browser.NewPageAsync();82                await page.ScreenshotAsync("screenshot.png");83            });84        }85    }86}87using Microsoft.Playwright;88using Microsoft.Playwright.Helpers;89{90    {91        static async Task Main(string[] args)92        {93            {94            }.WithChromium().LaunchAsync(async browser =>95            {96                var page = await browser.NewPageAsync();97                await page.ScreenshotAsync("screenshot.png");98            });99        }100    }101}

TaskQueue

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Helpers;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            TaskQueue taskQueue = new TaskQueue();10            Task task = taskQueue.Enqueue(async () =>11            {12                using var playwright = await Playwright.CreateAsync();13                var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions14                {15                });16                var page = await browser.NewPageAsync();17                await browser.CloseAsync();18            });19            await task;20        }21    }22}

TaskQueue

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Helpers;4using Microsoft.Playwright;5{6    {7        private readonly int _maxDegreeOfParallelism;8        private readonly SemaphoreSlim _semaphore;9        private readonly Queue<Task> _tasks = new Queue<Task>();10        public TaskQueue(int maxDegreeOfParallelism)11        {12            _maxDegreeOfParallelism = maxDegreeOfParallelism;13            _semaphore = new SemaphoreSlim(_maxDegreeOfParallelism);14        }15        public async Task<TResult> Enqueue<TResult>(Func<Task<TResult>> taskFactory)16        {17            await _semaphore.WaitAsync();18            {19                var task = taskFactory();20                _tasks.Enqueue(task);21                return await task;22            }23            {24                _semaphore.Release();25            }26        }27        public async Task Enqueue(Func<Task> taskFactory)28        {29            await _semaphore.WaitAsync();30            {31                var task = taskFactory();32                _tasks.Enqueue(task);33                await task;34            }35            {36                _semaphore.Release();37            }38        }39        public async Task WhenAll()40        {41            await Task.WhenAll(_tasks);42        }43    }44}45using System;46using System.Threading.Tasks;47using Microsoft.Playwright;48using Microsoft.Playwright.Helpers;49{50    {51        private readonly string _browserType;52        private readonly string _url;53        private readonly int _maxDegreeOfParallelism;54        private readonly TaskQueue _taskQueue;55        private readonly string _outputPath;56        private readonly string _fileName;57        public PlaywrightSharp(string browserType, string url, int maxDegreeOfParallelism, string outputPath, string fileName)58        {59            _browserType = browserType;60            _url = url;61            _maxDegreeOfParallelism = maxDegreeOfParallelism;62            _taskQueue = new TaskQueue(_maxDegreeOfParallelism);63            _outputPath = outputPath;64            _fileName = fileName;65        }66        public async Task GeneratePdf()67        {68            Console.WriteLine($"Generating pdf for {_url} using {_browserType} browser");69            await Playwright.InstallAsync();70            await using var playwright = await Playwright.CreateAsync();

TaskQueue

Using AI Code Generation

1using Microsoft.Playwright.Helpers;2using System;3using System.Threading.Tasks;4{5    {6        public static async Task Main(string[] args)7        {8            var taskQueue = new TaskQueue(2);9            for (int i = 0; i < 10; i++)10            {11                taskQueue.Enqueue(() => Task.Run(() =>12                {13                    Console.WriteLine($"Task {i} is running");14                }));15            }16            await taskQueue.WaitAllAsync();17        }18    }19}

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.