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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.
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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 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.