How to use HeaderValueAsync method of Microsoft.Playwright.Core.Response class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.Response.HeaderValueAsync

Crawler.cs

Source:Crawler.cs

...240                return null;241            }242243            var pageUri = await GetCanonicalUrl(page);244            var contentType = await response.HeaderValueAsync("content-type");245            var pageData = new PageData(pageUri);246247            if (IsMimeTypeOneOf(contentType, "application/atom+xml", "application/xml"))248            {249                try250                {251                    var responseContent = await response.TextAsync();252                    var document = XDocument.Parse(responseContent);253254                    var nsmgr = new XmlNamespaceManager(new NameTable());255                    nsmgr.AddNamespace("atom", "http://www.w3.org/2005/Atom");256257                    foreach (var link in document.XPathSelectElements("/atom:feed/atom:entry/atom:link[@rel='alternate']", nsmgr))258                    {
...

PageNetworkRequestTest.cs

Source:PageNetworkRequestTest.cs

...291    })292");293            await Task.WhenAll(requestTask, evalTask);294            var req = requestTask.Result;295            Assert.AreEqual("value-a, value-a-1, value-a-2", await req.HeaderValueAsync("header-a"));296            Assert.IsNull(await req.HeaderValueAsync("not-there"));297        }298    }299}...

PageNetworkResponseTests.cs

Source:PageNetworkResponseTests.cs

...196            var response = responseTask.Result;197            var resultedHeaders = (await response.HeadersArrayAsync()).Where(x => x.Name.ToLower() == "set-cookie");198            var values = resultedHeaders.Select(x => x.Value).ToArray();199            CollectionAssert.AreEqual(new string[] { "a=b", "c=d" }, values);200            Assert.IsNull(await response.HeaderValueAsync("not-there"));201            Assert.AreEqual("a=b\nc=d", await response.HeaderValueAsync("set-cookie"));202            Assert.AreEqual(new string[] { "a=b", "c=d" }, (await response.HeaderValuesAsync("set-cookie")).ToArray());203        }204        [PlaywrightTest("page-network-response.spec.ts", "should behave the same way for headers and allHeaders")]205        [Skip(SkipAttribute.Targets.Webkit | SkipAttribute.Targets.Windows)] // libcurl does not support non-set-cookie multivalue headers206        public async Task ShouldBehaveTheSameWayForHeadersAndAllHeaders()207        {208            Server.SetRoute("/headers", async ctx =>209            {210                if (!TestConstants.IsChromium)211                {212                    ctx.Response.Headers.Append("Set-Cookie", "a=b");213                    ctx.Response.Headers.Append("Set-Cookie", "c=d");214                }215                ctx.Response.Headers.Append("Name-A", "v1");...

Request.cs

Source:Request.cs

...105        public async Task<Dictionary<string, string>> AllHeadersAsync()106            => (await GetRawHeadersAsync().ConfigureAwait(false)).Headers;107        public async Task<IReadOnlyList<Header>> HeadersArrayAsync()108            => (await GetRawHeadersAsync().ConfigureAwait(false)).HeadersArray;109        public async Task<string> HeaderValueAsync(string name)110            => (await GetRawHeadersAsync().ConfigureAwait(false)).Get(name);111        private Task<RawHeaders> GetRawHeadersAsync()112        {113            if (_rawHeadersTask == null)114            {115                _rawHeadersTask = GetRawHeadersTaskAsync();116            }117            return _rawHeadersTask;118        }119        private async Task<RawHeaders> GetRawHeadersTaskAsync()120        {121            var headers = await _channel.GetRawRequestHeadersAsync().ConfigureAwait(false);122            return new(headers);123        }...

Response.cs

Source:Response.cs

...62        public Task<byte[]> BodyAsync() => _channel.GetBodyAsync();63        public Task<string> FinishedAsync() => _finishedTask.Task;64        public async Task<IReadOnlyList<Header>> HeadersArrayAsync()65            => (await GetRawHeadersAsync().ConfigureAwait(false)).HeadersArray;66        public async Task<string> HeaderValueAsync(string name)67            => (await GetRawHeadersAsync().ConfigureAwait(false)).Get(name);68        public async Task<IReadOnlyList<string>> HeaderValuesAsync(string name)69            => (await GetRawHeadersAsync().ConfigureAwait(false)).GetAll(name);70        public async Task<JsonElement?> JsonAsync()71        {72            byte[] content = await BodyAsync().ConfigureAwait(false);73            return JsonDocument.Parse(content).RootElement;74        }75        public Task<ResponseSecurityDetailsResult> SecurityDetailsAsync() => _channel.SecurityDetailsAsync();76        public Task<ResponseServerAddrResult> ServerAddrAsync() => _channel.ServerAddrAsync();77        public async Task<string> TextAsync()78        {79            byte[] content = await BodyAsync().ConfigureAwait(false);80            return Encoding.UTF8.GetString(content);...

HeaderValueAsync

Using AI Code Generation

1var pw = await Playwright.CreateAsync();2var browser = await pw.Chromium.LaunchAsync();3var context = await browser.NewContextAsync();4var page = await context.NewPageAsync();5var headerValue = await response.HeaderValueAsync("Content-Type");6Console.WriteLine(headerValue);7await browser.CloseAsync();8var pw = await Playwright.CreateAsync();9var browser = await pw.Chromium.LaunchAsync();10var context = await browser.NewContextAsync();11var page = await context.NewPageAsync();12var headers = await response.HeadersAsync();13Console.WriteLine(headers);14await browser.CloseAsync();15var pw = await Playwright.CreateAsync();16var browser = await pw.Chromium.LaunchAsync();17var context = await browser.NewContextAsync();18var page = await context.NewPageAsync();19var json = await response.JsonAsync();20Console.WriteLine(json);21await browser.CloseAsync();22var pw = await Playwright.CreateAsync();23var browser = await pw.Chromium.LaunchAsync();24var context = await browser.NewContextAsync();25var page = await context.NewPageAsync();26var ok = await response.OkAsync();27Console.WriteLine(ok);28await browser.CloseAsync();29var pw = await Playwright.CreateAsync();30var browser = await pw.Chromium.LaunchAsync();31var context = await browser.NewContextAsync();32var page = await context.NewPageAsync();33var request = await response.RequestAsync();34Console.WriteLine(request);35await browser.CloseAsync();36var pw = await Playwright.CreateAsync();37var browser = await pw.Chromium.LaunchAsync();38var context = await browser.NewContextAsync();

HeaderValueAsync

Using AI Code Generation

1using Microsoft.Playwright;2IPlaywright playwright = await Playwright.CreateAsync();3IBrowser browser = await playwright.Chromium.LaunchAsync();4IPage page = await browser.NewPageAsync();5IResponse response = await page.WaitForResponseAsync("**/login");6string value = await response.HeaderValueAsync("content-type");7Console.WriteLine(value);8await browser.CloseAsync();9using Microsoft.Playwright;10IPlaywright playwright = await Playwright.CreateAsync();11IBrowser browser = await playwright.Chromium.LaunchAsync();12IPage page = await browser.NewPageAsync();13IResponse response = await page.WaitForResponseAsync("**/login");14Dictionary<string, string> headers = await response.HeadersAsync();15foreach (KeyValuePair<string, string> header in headers)16{17    Console.WriteLine($"Header name: {header.Key}, Header value: {header.Value}");18}19await browser.CloseAsync();20using Microsoft.Playwright;21IPlaywright playwright = await Playwright.CreateAsync();22IBrowser browser = await playwright.Chromium.LaunchAsync();23IPage page = await browser.NewPageAsync();24IResponse response = await page.WaitForResponseAsync("**/login");25Dictionary<string, string> headers = response.Headers();26foreach (KeyValuePair<string, string> header in headers)27{28    Console.WriteLine($"Header name: {header.Key}, Header value: {header.Value}");29}30await browser.CloseAsync();31using Microsoft.Playwright;32IPlaywright playwright = await Playwright.CreateAsync();33IBrowser browser = await playwright.Chromium.LaunchAsync();34IPage page = await browser.NewPageAsync();35IResponse response = await page.WaitForResponseAsync("**/login");36dynamic json = await response.JsonAsync();37Console.WriteLine(json);38await browser.CloseAsync();39using Microsoft.Playwright;40IPlaywright playwright = await Playwright.CreateAsync();

HeaderValueAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Core;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();11            var context = await browser.NewContextAsync();12            var page = await context.NewPageAsync();13            var headerValue = await response.HeaderValueAsync("Content-Type");14            Console.WriteLine(headerValue);15        }16    }17}18text/html; charset=ISO-8859-1

HeaderValueAsync

Using AI Code Generation

1var contentType = await response.HeaderValueAsync("content-type");2Console.WriteLine(contentType);3var headers = await response.HeadersAsync();4foreach (var header in headers)5{6    Console.WriteLine($"{header.Key} : {header.Value}");7}8var json = await response.JsonAsync();9Console.WriteLine(json);10var ok = await response.OkAsync();11Console.WriteLine(ok);12var request = await response.RequestAsync();13Console.WriteLine(request.Url);14var serverAddr = await response.ServerAddrAsync();15Console.WriteLine(serverAddr);16var status = await response.StatusAsync();17Console.WriteLine(status);18var text = await response.TextAsync();19Console.WriteLine(text);20var trailers = await response.TrailersAsync();21foreach (var trailer in trailers)22{23    Console.WriteLine($"{trailer.Key} : {trailer.Value}");24}25var url = await response.UrlAsync();26Console.WriteLine(url);27await response.WaitForTimeoutAsync();

HeaderValueAsync

Using AI Code Generation

1var headers = await response.HeadersAsync();2var contentType = headers["content-type"];3var headers = await response.HeadersAsync();4var contentType = headers["content-type"];5var headers = await response.HeadersAsync();6var contentType = headers["content-type"];7var headers = await response.HeadersAsync();8var contentType = headers["content-type"];9var headers = await response.HeadersAsync();10var contentType = headers["content-type"];11var headers = await response.HeadersAsync();12var contentType = headers["content-type"];13var headers = await response.HeadersAsync();14var contentType = headers["content-type"];

HeaderValueAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            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 response = await page.WaitForResponseAsync("**");14            var headerValue = await response.HeaderValueAsync("Content-Type");15            Console.WriteLine(headerValue);16        }17    }18}19using System;20using System.Threading.Tasks;21using Microsoft.Playwright;22{23    {24        static async Task Main(string[] args)25        {26            using var playwright = await Playwright.CreateAsync();27            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions28            {29            });30            var page = await browser.NewPageAsync();31            var response = await page.WaitForResponseAsync("**");32            var headers = await response.HeadersAsync();33            foreach (var header in headers)34            {35                Console.WriteLine(header.Key + " : " + header.Value);36            }37        }38    }39}40Set-Cookie : 1P_JAR=2021-10-12-08; expires=Thu, 11-Nov-2021 08:12:44 GMT; path=/; domain=.google.com; Secure

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.