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How to use RouteFulfillOptions class of Microsoft.Playwright package

Best Playwright-dotnet code snippet using Microsoft.Playwright.RouteFulfillOptions

IPage.cs

Source:IPage.cs

...1320        /// <code>1321        /// await page.RouteAsync("/api/**", async r =&gt;<br/>1322        /// {<br/>1323        ///   if (r.Request.PostData.Contains("my-string"))<br/>1324        ///       await r.FulfillAsync(new RouteFulfillOptions { Body = "mocked-data" });<br/>1325        ///   else<br/>1326        ///       await r.ContinueAsync();<br/>1327        /// });1328        /// </code>1329        /// <para>1330        /// Page routes take precedence over browser context routes (set up with <see cref="IBrowserContext.RouteAsync"/>)1331        /// when request matches both handlers.1332        /// </para>1333        /// <para>To remove a route with its handler you can use <see cref="IPage.UnrouteAsync"/>.</para>1334        /// </summary>1335        /// <remarks>1336        /// <para>The handler will only be called for the first url if the response is a redirect.</para>1337        /// <para>1338        /// <see cref="IPage.RouteAsync"/> will not intercept requests intercepted by Service1339        /// Worker. See <a href="https://github.com/microsoft/playwright/issues/1090">this</a>1340        /// issue. We recommend disabling Service Workers when using request interception. Via1341        /// <c>await context.addInitScript(() =&gt; delete window.navigator.serviceWorker);</c>1342        /// </para>1343        /// <para>Enabling routing disables http cache.</para>1344        /// </remarks>1345        /// <param name="url">1346        /// A glob pattern, regex pattern or predicate receiving <see cref="URL"/> to match1347        /// while routing. When a <paramref name="baseURL"/> via the context options was provided1348        /// and the passed URL is a path, it gets merged via the <a href="https://developer.mozilla.org/en-US/docs/Web/API/URL/URL"><c>new1349        /// URL()</c></a> constructor.1350        /// </param>1351        /// <param name="handler">handler function to route the request.</param>1352        /// <param name="options">Call options</param>1353        Task RouteAsync(string url, Action<IRoute> handler, PageRouteOptions? options = default);1354        /// <summary>1355        /// <para>Routing provides the capability to modify network requests that are made by a page.</para>1356        /// <para>1357        /// Once routing is enabled, every request matching the url pattern will stall unless1358        /// it's continued, fulfilled or aborted.1359        /// </para>1360        /// <para>An example of a naive handler that aborts all image requests:</para>1361        /// <code>1362        /// var page = await browser.NewPageAsync();<br/>1363        /// await page.RouteAsync("**/*.{png,jpg,jpeg}", async r =&gt; await r.AbortAsync());<br/>1364        /// await page.GotoAsync("https://www.microsoft.com");1365        /// </code>1366        /// <para>or the same snippet using a regex pattern instead:</para>1367        /// <code>1368        /// var page = await browser.NewPageAsync();<br/>1369        /// await page.RouteAsync(new Regex("(\\.png$)|(\\.jpg$)"), async r =&gt; await r.AbortAsync());<br/>1370        /// await page.GotoAsync("https://www.microsoft.com");1371        /// </code>1372        /// <para>1373        /// It is possible to examine the request to decide the route action. For example, mocking1374        /// all requests that contain some post data, and leaving all other requests as is:1375        /// </para>1376        /// <code>1377        /// await page.RouteAsync("/api/**", async r =&gt;<br/>1378        /// {<br/>1379        ///   if (r.Request.PostData.Contains("my-string"))<br/>1380        ///       await r.FulfillAsync(new RouteFulfillOptions { Body = "mocked-data" });<br/>1381        ///   else<br/>1382        ///       await r.ContinueAsync();<br/>1383        /// });1384        /// </code>1385        /// <para>1386        /// Page routes take precedence over browser context routes (set up with <see cref="IBrowserContext.RouteAsync"/>)1387        /// when request matches both handlers.1388        /// </para>1389        /// <para>To remove a route with its handler you can use <see cref="IPage.UnrouteAsync"/>.</para>1390        /// </summary>1391        /// <remarks>1392        /// <para>The handler will only be called for the first url if the response is a redirect.</para>1393        /// <para>1394        /// <see cref="IPage.RouteAsync"/> will not intercept requests intercepted by Service1395        /// Worker. See <a href="https://github.com/microsoft/playwright/issues/1090">this</a>1396        /// issue. We recommend disabling Service Workers when using request interception. Via1397        /// <c>await context.addInitScript(() =&gt; delete window.navigator.serviceWorker);</c>1398        /// </para>1399        /// <para>Enabling routing disables http cache.</para>1400        /// </remarks>1401        /// <param name="url">1402        /// A glob pattern, regex pattern or predicate receiving <see cref="URL"/> to match1403        /// while routing. When a <paramref name="baseURL"/> via the context options was provided1404        /// and the passed URL is a path, it gets merged via the <a href="https://developer.mozilla.org/en-US/docs/Web/API/URL/URL"><c>new1405        /// URL()</c></a> constructor.1406        /// </param>1407        /// <param name="handler">handler function to route the request.</param>1408        /// <param name="options">Call options</param>1409        Task RouteAsync(Regex url, Action<IRoute> handler, PageRouteOptions? options = default);1410        /// <summary>1411        /// <para>Routing provides the capability to modify network requests that are made by a page.</para>1412        /// <para>1413        /// Once routing is enabled, every request matching the url pattern will stall unless1414        /// it's continued, fulfilled or aborted.1415        /// </para>1416        /// <para>An example of a naive handler that aborts all image requests:</para>1417        /// <code>1418        /// var page = await browser.NewPageAsync();<br/>1419        /// await page.RouteAsync("**/*.{png,jpg,jpeg}", async r =&gt; await r.AbortAsync());<br/>1420        /// await page.GotoAsync("https://www.microsoft.com");1421        /// </code>1422        /// <para>or the same snippet using a regex pattern instead:</para>1423        /// <code>1424        /// var page = await browser.NewPageAsync();<br/>1425        /// await page.RouteAsync(new Regex("(\\.png$)|(\\.jpg$)"), async r =&gt; await r.AbortAsync());<br/>1426        /// await page.GotoAsync("https://www.microsoft.com");1427        /// </code>1428        /// <para>1429        /// It is possible to examine the request to decide the route action. For example, mocking1430        /// all requests that contain some post data, and leaving all other requests as is:1431        /// </para>1432        /// <code>1433        /// await page.RouteAsync("/api/**", async r =&gt;<br/>1434        /// {<br/>1435        ///   if (r.Request.PostData.Contains("my-string"))<br/>1436        ///       await r.FulfillAsync(new RouteFulfillOptions { Body = "mocked-data" });<br/>1437        ///   else<br/>1438        ///       await r.ContinueAsync();<br/>1439        /// });1440        /// </code>1441        /// <para>1442        /// Page routes take precedence over browser context routes (set up with <see cref="IBrowserContext.RouteAsync"/>)1443        /// when request matches both handlers.1444        /// </para>1445        /// <para>To remove a route with its handler you can use <see cref="IPage.UnrouteAsync"/>.</para>1446        /// </summary>1447        /// <remarks>1448        /// <para>The handler will only be called for the first url if the response is a redirect.</para>1449        /// <para>1450        /// <see cref="IPage.RouteAsync"/> will not intercept requests intercepted by Service...

Route.cs

Source:Route.cs

...50        /// </summary>51        public IRequest Request => _initializer.Request;52        ChannelBase IChannelOwner.Channel => _channel;53        IChannel<Route> IChannelOwner<Route>.Channel => _channel;54        public Task FulfillAsync(RouteFulfillOptions options = default)55        {56            options ??= new RouteFulfillOptions();57            var normalized = NormalizeFulfillParameters(58                options.Status,59                options.Headers,60                options.ContentType,61                options.Body,62                options.BodyBytes,63                options.Path);64            return RaceWithPageCloseAsync(_channel.FulfillAsync(normalized));65        }66        public Task AbortAsync(string errorCode = RequestAbortErrorCode.Failed) => RaceWithPageCloseAsync(_channel.AbortAsync(errorCode));67        public Task ContinueAsync(RouteContinueOptions options = default)68        {69            options ??= new RouteContinueOptions();70            return RaceWithPageCloseAsync(_channel.ContinueAsync(url: options.Url, method: options.Method, postData: options.PostData, headers: options.Headers));...

IRoute.cs

Source:IRoute.cs

...100        ///     contentType: "text/plain",<br/>101        ///     body: "Not Found!"));102        /// </code>103        /// <para>An example of serving static file:</para>104        /// <code>await page.RouteAsync("**/xhr_endpoint", route =&gt; route.FulfillAsync(new RouteFulfillOptions { Path = "mock_data.json" }));</code>105        /// </summary>106        /// <param name="options">Call options</param>107        Task FulfillAsync(RouteFulfillOptions? options = default);108        /// <summary><para>A request to be routed.</para></summary>109        IRequest Request { get; }110    }111}112#nullable disable...

RouteSynchronous.cs

Source:RouteSynchronous.cs

...86    ///     contentType: "text/plain", <br/>87    ///     body: "Not Found!"));88    /// </code>89    /// <para>An example of serving static file:</para>90    /// <code>await page.RouteAsync("**/xhr_endpoint", route =&gt; route.FulfillAsync(new RouteFulfillOptions { Path = "mock_data.json" }));</code>91    /// </summary>92    /// <param name="options">Call options</param>93    public static void FulfillAsync(this IRoute route, RouteFulfillOptions? options = default)94    {95        route.FulfillAsync(options).GetAwaiter().GetResult();96    }97}...

LocatorFrameTests.cs

Source:LocatorFrameTests.cs

...30        public async Task RouteIFrame(IPage page)31        {32            await page.RouteAsync("**/empty.html", async route =>33            {34                await route.FulfillAsync(new RouteFulfillOptions35                {36                    Body = "<iframe src=\"/iframe.html\"></iframe>",37                    ContentType = "text/html"38                });39            });40            await page.RouteAsync("**/iframe.html", async route =>41            {42                await route.FulfillAsync(new RouteFulfillOptions43                {44                    Body = @"45                    <html>46                    <div>47                        <button>Hello iframe</button>48                        <iframe src=""iframe-2.html""></iframe>49                    </div>50                    <span>1</span>51                    <span>2</span>52                    </html>",53                    ContentType = "text/html"54                });55            });56            await page.RouteAsync("**/iframe-2.html", async route =>57            {58                await route.FulfillAsync(new RouteFulfillOptions59                {60                    Body = "<html><button>Hello nested iframe</button></html>",61                    ContentType = "text/html"62                });63            });64        }65        [PlaywrightTest("locator-frame.spec.ts", "should work for iframe")]66        public async Task ShouldWorkForIFrame()67        {68            await RouteIFrame(Page);69            await Page.GotoAsync(Server.EmptyPage);70            var button = Page.FrameLocator("iframe").Locator("button");71            await button.WaitForAsync();72            Assert.AreEqual(await button.InnerTextAsync(), "Hello iframe");...

RouteFulfillOptions.cs

Source:RouteFulfillOptions.cs

...35using System.Threading.Tasks;36#nullable enable37namespace Microsoft.Playwright38{39    public class RouteFulfillOptions40    {41        public RouteFulfillOptions() { }42        public RouteFulfillOptions(RouteFulfillOptions clone)43        {44            if (clone == null)45            {46                return;47            }48            Body = clone.Body;49            BodyBytes = clone.BodyBytes;50            ContentType = clone.ContentType;51            Headers = clone.Headers;52            Path = clone.Path;53            Status = clone.Status;54        }55        /// <summary><para>Optional response body as text.</para></summary>56        [JsonPropertyName("body")]...

Program.cs

Source:Program.cs

...21        string usersUrl  =  "https://jsonplaceholder.typicode.com/**";22        await page.RouteAsync(usersUrl,async route => {23            24            if(route.Request.Method.ToUpperInvariant() == "GET"){25                await route.FulfillAsync(new RouteFulfillOptions { 26                    Status = 20027                    , ContentType = "application/json"28                    , Headers = new List<KeyValuePair<string, string>>{ 29                            new KeyValuePair<string, string>("Access-Control-Allow-Credentials", "true" ),  30                            new KeyValuePair<string, string>("Access-Control-Allow-Origin", "*" ),  31                        }32                    , Body = context.Data });33            }34            else if(route.Request.Method.ToUpperInvariant() == "PUT"){35             36                context.UpdateUser(route.Request.PostData);37                38                await route.FulfillAsync(new RouteFulfillOptions { 39                    Status = 20040                    , ContentType = "application/json"41                    , Headers = new List<KeyValuePair<string, string>>{ 42                            new KeyValuePair<string, string>("Access-Control-Allow-Credentials", "true" ),  43                            new KeyValuePair<string, string>("Access-Control-Allow-Origin", "*" ),  44                        }45                    , Body = route.Request.PostData });46            }47            else{48                await route.ContinueAsync();49            }50         });51        await page.GotoAsync(url);52        ...

UnitTest1.cs

Source:UnitTest1.cs

...61            stock = 6553562        }};63        var list = new List<object>(){mockResponseObject};64        await _Page.RouteAsync("https://danube-webshop.herokuapp.com/api/books", async route =>{65            await route.FulfillAsync(new RouteFulfillOptions {66                ContentType = "application/json",67                Body = JsonConvert.SerializeObject(mockResponseObject)68            });69        });70        await _Page.GotoAsync("https://danube-webshop.herokuapp.com/");71    }72}...

RouteFulfillOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;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 LaunchOptions10            {11            });12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            {15            };16            await page.RouteAsync("**/*", route => route.FulfillAsync(routeFulfillOptions));17            await page.ScreenshotAsync("screenshot.png");18        }19    }20}

RouteFulfillOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;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();10            var page = await browser.NewPageAsync();11            var route = await page.RouteAsync("**/*", route => route.FulfillAsync(new RouteFulfillOptions()12            {13            }));14            await route.DisposeAsync();15            await browser.CloseAsync();16        }17    }18}19I am a Microsoft Certified Trainer (MCT) and a Microsoft Certified Azure Developer (MCAD). I am a passionate developer with 15+ years of experience in developing applications using Microsoft technologies. I am also an active blogger and speaker. I am a Microsoft Azure MVP since 2017. I am a founder of Dotnetjalps (www.dotnetjalps.com). View all posts by Sanjay Kansagara

RouteFulfillOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;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 LaunchOptions { Headless = false });10            var context = await browser.NewContextAsync();11            var page = await context.NewPageAsync();12            await page.RouteAsync("**/*", route =>13            {14                var options = new RouteFulfillOptions { Status = 200, Body = "Hello World" };15                route.FulfillAsync(options);16                return Task.CompletedTask;17            });18            await page.ClickAsync("text=Images");19            await page.WaitForTimeoutAsync(5000);20        }21    }22}

RouteFulfillOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;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();10            var page = await browser.NewPageAsync();11            var routeTask = page.WaitForRequestAsync("**/*", new RouteFulfillOptions12            {13            });14            var route = await routeTask;15            Console.WriteLine(await route.Response.TextAsync());16        }17    }18}19using Microsoft.Playwright;20using System;21using System.Threading.Tasks;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();28            var page = await browser.NewPageAsync();29            var routeTask = page.WaitForRequestAsync("**/*", new RouteFulfillOptions30            {31            });32            var route = await routeTask;33            Console.WriteLine(await route.Response.TextAsync());34        }35    }36}37using Microsoft.Playwright;38using System;39using System.Threading.Tasks;40{41    {42        static async Task Main(string[] args)43        {44            using var playwright = await Playwright.CreateAsync();45            await using var browser = await playwright.Chromium.LaunchAsync();46            var page = await browser.NewPageAsync();47            var routeTask = page.WaitForRequestAsync("**/*", new RouteFulfillOptions48            {49            });

RouteFulfillOptions

Using AI Code Generation

1using Microsoft.Playwright;2{3    {4        static async Task Main(string[] args)5        {6            using var playwright = await Playwright.CreateAsync();using Microsoft.Playwright;7            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions8            {9            });10            var page = await browser.NewPageAsync();11            await page.RouteAsync("**/*", route =>12            {13                {14                    {15                        ["Content-Type"] = "text/html; charset=utf-8",16                    },17                };18                return route.FulfillAsync(options);19            });20            await Task.Delay(3000);21        }22    }23}24using Microsoft.Playwright;25{26    {27        static async Task Main(string[] args)28        {29            using var playwright = await Playwright.CreateAsync();30            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions31            {32            });33            var page = await browser.NewPageAsync();34            await page.RouteAsync("**/*", route =>35            {36                {37                    {38                        ["Content-Type"] = "text/html; charset=utf-8",39                    },40                };41                return route.FulfillAsync(options);42            });43            await Task.Delay(3000);44        }45    }46}47using Microsoft.Playwright;48{49    {50        static async Task Main(string[] args)51        {52            using var playwright = await Playwright.CreateAsync();53            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions54            {

RouteFulfillOptions

Using AI Code Generation

1using System;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Chromium.LaunchAsync();9            var page = await browser.NewPageAsync();10            var routeTask = page.WaitForRequestAsync("**/*", new RouteFulfillOptions11            {12            });13            var route = await routeTask;14            Console.WriteLine(await route.Response.TextAsync());15        }16    }17}18using Microsoft.Playwright;19using System;20using System.Threading.Tasks;21{22    {23        static async Task Main(string[] args)24        {25            using var playwright = await Playwright.CreateAsync();26            await using var browser = await playwright.Chromium.LaunchAsync();27            var page = await browser.NewPageAsync();28            var routeTask = page.WaitForRequestAsync("**/*", new RouteFulfillOptions29            {30            });31            var route = await routeTask;32            Console.WriteLine(await route.Response.TextAsync());33        }34    }35}36using Microsoft.Playwright;37using System;38using System.Threading.Tasks;39{40    {41        static async Task Main(string[] args)42        {

RouteFulfillOptions

Using AI Code Generation

1{2    {3        static async Task Main(string[] args)4        {5            using var playwright = await Playwright.CreateAsync();6            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions7            {8            });9            var context = await browser.NewContextAsync(new BrowserNewContextOptions10            {11                {12                }13            });14            var page = await context.NewPageAsync();15            await page.ScreenshotAsync("screenshot.png");16            await context.CloseAsync();17        }18    }19}         {20            });

RouteFulfillOptions

Using AI Code Generation

1using System;2using System.Net;3using System.Threading.Tasks;4using Microsoft.Playwright;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(new BrowserTypeLaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            await page.RouteAsync("**/2", async route =>15            {16                await route.FulfillAsync(new RouteFulfillOptions17                {18                });19            });20            await page.WaitForTimeoutAsync(5000);21        }22    }23}

RouteFulfillOptions

Using AI Code Generation

1{2    {3        static async Task Main(string[] args)4        {5            using var playwright = await Playwright.CreateAsync();6            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions7            {8            });9            var context = await browser.NewContextAsync(new BrowserNewContextOptions10            {11                {12                }13            });14            var page = await context.NewPageAsync();15            await page.ScreenshotAsync("screenshot.png");16            await context.CloseAsync();17        }18    }19}

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