Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.StdIOTransport
StdIOTransport.cs
Source: StdIOTransport.cs
...28using System.Threading.Tasks;29using Microsoft.Playwright.Helpers;30namespace Microsoft.Playwright.Transport31{32 internal class StdIOTransport : IConnectionTransport, IDisposable33 {34 private const int DefaultBufferSize = 1024; // Byte buffer size35 private readonly Process _process;36 private readonly CancellationTokenSource _readerCancellationSource = new();37 private readonly List<byte> _data = new();38 private int? _currentMessageSize;39 internal StdIOTransport()40 {41 _process = GetProcess();42 _process.StartInfo.Arguments = "run-driver";43 _process.Start();44 _process.Exited += (_, _) => Close("Process exited");45 _process.ErrorDataReceived += (_, error) =>46 {47 if (error.Data != null)48 {49 LogReceived?.Invoke(this, error.Data);50 }51 };52 _process.BeginErrorReadLine();53 ScheduleTransportTask(GetResponseAsync, _readerCancellationSource.Token);54 }55 /// <inheritdoc cref="IDisposable.Dispose"/>56 ~StdIOTransport() => Dispose(false);57 public event EventHandler<byte[]> MessageReceived;58 public event EventHandler<string> TransportClosed;59 public event EventHandler<string> LogReceived;60 public bool IsClosed { get; private set; }61 /// <inheritdoc/>62 public void Dispose()63 {64 Dispose(true);65 GC.SuppressFinalize(this);66 }67 /// <inheritdoc/>68 public void Close(string closeReason)69 {70 if (!IsClosed)...
Playwright.cs
Source: Playwright.cs
...40 /// <returns>A <see cref="Task"/> that completes when the playwright driver is ready to be used.</returns>41 public static async Task<IPlaywright> CreateAsync()42 {43#pragma warning disable CA2000 // Dispose objects before losing scope44 var transport = new StdIOTransport();45#pragma warning restore CA200046 var connection = new Connection();47 transport.MessageReceived += (_, message) => connection.Dispatch(JsonSerializer.Deserialize<PlaywrightServerMessage>(message, JsonExtensions.DefaultJsonSerializerOptions));48 transport.LogReceived += (_, log) => Console.Error.WriteLine(log);49 transport.TransportClosed += (_, reason) => connection.DoClose(reason);50 connection.OnMessage = (message) => transport.SendAsync(JsonSerializer.SerializeToUtf8Bytes(message, connection.DefaultJsonSerializerOptions));51 connection.Close += (_, reason) => transport.Close(reason);52 var playwright = await connection.InitializePlaywrightAsync().ConfigureAwait(false);53 playwright.Connection = connection;54 return playwright;55 }56 }57}
StdIOTransport
Using AI Code Generation
1using Microsoft.Playwright.Transport;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 var transport = new StdIOTransport();9 await transport.ConnectAsync();10 var browser = await transport.WaitForObjectWithKnownNameAsync<Browser>("browser");11 var page = await browser.NewPageAsync();12 await transport.CloseAsync();13 }14 }15}16using Microsoft.Playwright;17using System;18using System.Threading.Tasks;19{20 {21 static async Task Main(string[] args)22 {23 var transport = new StdIOTransport();24 await transport.ConnectAsync();25 var browser = await transport.WaitForObjectWithKnownNameAsync<Browser>("browser");26 var page = await browser.NewPageAsync();27 await transport.CloseAsync();28 }29 }30}31using Microsoft.Playwright;32using System;33using System.Threading.Tasks;34{35 {36 static async Task Main(string[] args)37 {38 var transport = new StdIOTransport();39 await transport.ConnectAsync();40 var browser = await transport.WaitForObjectWithKnownNameAsync<Browser>("browser");41 var page = await browser.NewPageAsync();42 await transport.CloseAsync();43 }44 }45}46using Microsoft.Playwright.Transport;47using System;48using System.Threading.Tasks;49{50 {51 static async Task Main(string[] args)52 {53 var transport = new StdIOTransport();54 await transport.ConnectAsync();55 var browser = await transport.WaitForObjectWithKnownNameAsync<Browser>("browser");56 var page = await browser.NewPageAsync();57 await transport.CloseAsync();58 }59 }60}
StdIOTransport
Using AI Code Generation
1using Microsoft.Playwright.Transport;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8 {9 static async Task Main(string[] args)10 {11 using var transport = new StdIOTransport();12 await transport.StartAsync();13 var connection = new Connection(transport);14 var browser = await connection.WaitForObjectWithKnownNameAsync<Browser>(KnownObjects.Browser);15 Console.WriteLine("Browser started");16 Console.ReadKey();17 }18 }19}20using Microsoft.Playwright.Transport;21using System;22using System.Collections.Generic;23using System.Linq;24using System.Text;25using System.Threading.Tasks;26{27 {28 static async Task Main(string[] args)29 {
StdIOTransport
Using AI Code Generation
1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions3{4});5var context = await browser.NewContextAsync();6var page = await context.NewPageAsync();7await page.TypeAsync("input[name=q]", "Hello World");8await page.PressAsync("input[name=q]", "Enter");9await page.ScreenshotAsync("google.png");10await browser.CloseAsync();11 <PlaywrightExecutablePath>C:\Users\{user}\.cache\ms-playwright\chromium-856583\playwright-cli.exe</PlaywrightExecutablePath>12 <PlaywrightExecutablePath>C:\Users\{user}\.cache\ms-playwright\chromium-856583\playwright-cli.exe</PlaywrightExecutablePath>
StdIOTransport
Using AI Code Generation
1using Microsoft.Playwright.Transport;2using System;3using System.IO;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {9 Console.WriteLine("Hello World!");10 var transport = new StdIOTransport();11 transport.Start();12 var connection = new Connection(transport);13 var browser = await connection.WaitForObjectWithKnownNameAsync<IBrowser>("browser");14 var page = await browser.NewPageAsync();15 await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });16 await browser.CloseAsync();17 }18 }19}
StdIOTransport
Using AI Code Generation
1var transport = new StdIOTransport();2await transport.StartAsync();3var connection = new Connection(transport);4var playwright = await Playwright.CreateAsync(connection);5var browser = await playwright.Firefox.LaunchAsync();6var page = await browser.NewPageAsync();7await page.ScreenshotAsync(path: "screenshot.png");8await browser.CloseAsync();9await playwright.CloseAsync();10await transport.StopAsync();11var transport = new StdIOTransport();12await transport.StartAsync();13var connection = new Connection(transport);14var playwright = await Playwright.CreateAsync(connection);15var browser = await playwright.Firefox.LaunchAsync();16var page = await browser.NewPageAsync();17await page.ScreenshotAsync(path: "screenshot.png");18await browser.CloseAsync();19await playwright.CloseAsync();20await transport.StopAsync();21var transport = new StdIOTransport();22await transport.StartAsync();23var connection = new Connection(transport);24var playwright = await Playwright.CreateAsync(connection);25var browser = await playwright.Firefox.LaunchAsync();26var page = await browser.NewPageAsync();27await page.ScreenshotAsync(path: "screenshot.png");28await browser.CloseAsync();29await playwright.CloseAsync();
StdIOTransport
Using AI Code Generation
1using Microsoft.Playwright.Transport;2using Microsoft.Playwright.Transport.Channels;3using Microsoft.Playwright.Transport.Protocol;4using System;5using System.IO;6using System.Threading.Tasks;7{8 {9 static async Task Main(string[] args)10 {11 var transport = new StdIOTransport();12 await transport.StartAsync();13 var connection = new Connection(transport, null);14 var browser = await connection.WaitForObjectWithKnownNameAsync<BrowserChannel>(Guid.NewGuid().ToString());15 var context = await browser.NewContextAsync();16 var page = await context.NewPageAsync();17 var content = await response.TextAsync();18 Console.WriteLine(content);19 await browser.CloseAsync();20 await connection.CloseAsync();21 }22 }23}24using Microsoft.Playwright;25using System;26using System.Threading.Tasks;27{28 {29 static async Task Main(string[] args)30 {31 var playwright = await Playwright.CreateAsync();32 var browser = await playwright.Chromium.LaunchAsync();33 var context = await browser.NewContextAsync();34 var page = await context.NewPageAsync();35 var content = await response.TextAsync();36 Console.WriteLine(content);37 await browser.CloseAsync();38 await playwright.CloseAsync();39 }40 }41}
StdIOTransport
Using AI Code Generation
1using Microsoft.Playwright.Transport;2using System;3using System.IO;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {9 StdIOTransport transport = new StdIOTransport();10 StdIOTransportOptions options = new StdIOTransportOptions();11 options.ExecutablePath = @"C:\Users\user\source\repos\PlaywrightTest\PlaywrightTest\bin\Debug\netcoreapp3.1\playwright.cmd";12 options.DriverExecutablePath = @"C:\Users\user\source\repos\PlaywrightTest\PlaywrightTest\bin\Debug\netcoreapp3.1\Microsoft.Playwright.dll";13 transport.SetOptions(options);14 await transport.StartAsync();15 await transport.SendAsync("Playwright.version", null);16 var response = await transport.ReadMessageAsync();17 Console.WriteLine(response);18 await transport.StopAsync();19 }20 }21}22{"id":1,"method":"Playwright.version","params":{}}23{"id":1,"result":{"product":"playwright-sharp","version":"0.170.1"}}24using Microsoft.Playwright.Transport;25using System;26using System.IO;27using System.Threading.Tasks;28{29 {30 static async Task Main(string[] args)31 {32 StdIOTransport transport = new StdIOTransport();33 StdIOTransportOptions options = new StdIOTransportOptions();
StdIOTransport
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Transport;4using Microsoft.Playwright.Transport.Channels;5using Microsoft.Playwright.Transport.Protocol;6{7 {8 static async Task Main(string[] args)9 {10 var transport = new StdIOTransport();11 var connection = new Connection(transport);12 var playwright = await connection.WaitForObjectWithKnownNameAsync<PlaywrightImpl>("Playwright");13 var browser = await playwright.Chromium.LaunchAsync();14 var context = await browser.NewContextAsync();15 var page = await context.NewPageAsync();16 await page.GotoAsync("
StdIOTransport
Using AI Code Generation
1using Microsoft.Playwright.Transport;2using System;3using System.IO;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {9 string driverPath = @"C:\Users\user\source\repos\PlaywrightTransport\PlaywrightTransport\bin\Debug\net5.0\playwright";10 string browserPath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";11 string browserExecutable = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";12 string browserExecutableArgs = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";13 string browserExecutableDir = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";14 string browserChannel = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";15 string browserEnv = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";16 string browserStdio = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";17 string browserSlowMo = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";18 string browserHeadless = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";19 string browserDevtools = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";20 string browserWSEndpoint = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";21 string browserProxy = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";22 string browserIgnoreHTTPSErrors = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";
StdIOTransport
Using AI Code Generation
1using System;2using System.Text;3using Microsoft.Playwright.Transport;4using Microsoft.Playwright.Transport.Channels;5using Microsoft.Playwright.Transport.Protocol;6{7 {8 static void Main(string[] args)9 {10 Console.WriteLine("Hello World!");11 Console.WriteLine("Press any key to continue");12 Console.ReadKey();13 var transport = new StdIOTransport();14 transport.MessageReceived += Transport_MessageReceived;15 transport.Start();16 var browser = transport.GetBrowser();17 var browserContext = browser.NewContextAsync().Result;18 var page = browserContext.NewPageAsync().Result;19 page.WaitForLoadStateAsync(LoadState.DOMContentLoaded).Wait();20 Console.WriteLine("Press any key to continue");21 Console.ReadKey();22 }23 private static void Transport_MessageReceived(object sender, MessageReceivedEventArgs e)24 {25 Console.WriteLine($"message received: {e.Message}");26 }27 }28}
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Using a selector that finds a list of locators in Playwright is exactly the same as calling .FindElements() in selenium, except that Playwright does not have a specifically named method like .FindLocators().
Playwright - a selector that matches multiple elements returns a list of locators, which you then iterate over:
var rows = page.GetByRole(AriaRole.Listitem);
var count = await rows.CountAsync();
for (int i = 0; i < count; ++i)
Console.WriteLine(await rows.Nth(i).TextContentAsync());
Selenium - FindElements returns a list of elements that you have to iterate over.
IList < IWebElement > elements = driver.FindElements(By.TagName("p"));
foreach(IWebElement e in elements) {
System.Console.WriteLine(e.Text);
}
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