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How to use RuntimeEvaluateRequest class of PuppeteerSharp.Messaging package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Messaging.RuntimeEvaluateRequest

HeadfulTests.cs

Source:HeadfulTests.cs

...164                // Ensure we found the iframe session.165                Assert.Single(otherSessions);166                // Resume the iframe and trigger another request.167                var iframeSession = otherSessions[0];168                await iframeSession.SendAsync("Runtime.evaluate", new RuntimeEvaluateRequest {169                    Expression = "fetch('/fetch')",170                    AwaitPromise = true,171                });172                await browser.CloseAsync();173                Assert.Contains($"http://oopifdomain:{TestConstants.Port}/fetch", networkEvents);174            }175        }176        [PuppeteerTest("headful.spec.ts", "HEADFUL", "should close browser with beforeunload page")]177        [SkipBrowserFact(skipFirefox: true)]178        public async Task ShouldCloseBrowserWithBeforeunloadPage()179        {180            var headfulOptions = TestConstants.DefaultBrowserOptions();181            headfulOptions.Headless = false;182            await using (var browser = await Puppeteer.LaunchAsync(headfulOptions))...

CreateCDPSessionTests.cs

Source:CreateCDPSessionTests.cs

...18        {19            var client = await Page.Target.CreateCDPSessionAsync();20            await Task.WhenAll(21              client.SendAsync("Runtime.enable"),22              client.SendAsync("Runtime.evaluate", new RuntimeEvaluateRequest { Expression = "window.foo = 'bar'" })23            );24            var foo = await Page.EvaluateExpressionAsync<string>("window.foo");25            Assert.Equal("bar", foo);26        }27        [Fact]28        public async Task ShouldSendEvents()29        {30            var client = await Page.Target.CreateCDPSessionAsync();31            await client.SendAsync("Network.enable");32            var events = new List<object>();33            client.MessageReceived += (sender, e) =>34            {35                if (e.MessageID == "Network.requestWillBeSent")36                {37                    events.Add(e.MessageData);38                }39            };40            await Page.GoToAsync(TestConstants.EmptyPage);41            Assert.Single(events);42        }43        [Fact]44        public async Task ShouldEnableAndDisableDomainsIndependently()45        {46            var client = await Page.Target.CreateCDPSessionAsync();47            await client.SendAsync("Runtime.enable");48            await client.SendAsync("Debugger.enable");49            // JS coverage enables and then disables Debugger domain.50            await Page.Coverage.StartJSCoverageAsync();51            await Page.Coverage.StopJSCoverageAsync();52            // generate a script in page and wait for the event.53            var eventTask = WaitEvent(client, "Debugger.scriptParsed");54            await Task.WhenAll(55                eventTask,56                Page.EvaluateExpressionAsync("//# sourceURL=foo.js")57            );58            // expect events to be dispatched.59            Assert.Equal("foo.js", eventTask.Result["url"].Value<string>());60        }61        [Fact]62        public async Task ShouldBeAbleToDetachSession()63        {64            var client = await Page.Target.CreateCDPSessionAsync();65            await client.SendAsync("Runtime.enable");66            var evalResponse = await client.SendAsync("Runtime.evaluate", new RuntimeEvaluateRequest67            {68                Expression = "1 + 2",69                ReturnByValue = true70            });71            Assert.Equal(3, evalResponse["result"]["value"].ToObject<int>());72            await client.DetachAsync();73            var exception = await Assert.ThrowsAnyAsync<Exception>(()74                => client.SendAsync("Runtime.evaluate", new RuntimeEvaluateRequest75                {76                    Expression = "3 + 1",77                    ReturnByValue = true78                }));79            Assert.Contains("Session closed.", exception.Message);80        }81        [Fact]82        public async Task ShouldThrowNiceErrors()83        {84            var client = await Page.Target.CreateCDPSessionAsync();85            async Task TheSourceOfTheProblems() => await client.SendAsync("ThisCommand.DoesNotExist");86            var exception = await Assert.ThrowsAsync<MessageException>(async () =>87            {88                await TheSourceOfTheProblems();...

Touchscreen.cs

Source:Touchscreen.cs

...31        {32            // Touches appear to be lost during the first frame after navigation.33            // This waits a frame before sending the tap.34            // @see https://crbug.com/61321935            await _client.SendAsync("Runtime.evaluate", new RuntimeEvaluateRequest36            {37                Expression = "new Promise(x => requestAnimationFrame(() => requestAnimationFrame(x)))",38                AwaitPromise = true39            }).ConfigureAwait(false);40            var touchPoints = new[] { new TouchPoint { X = Math.Round(x), Y = Math.Round(y) } };41            await _client.SendAsync("Input.dispatchTouchEvent", new InputDispatchTouchEventRequest42            {43                Type = "touchStart",44                TouchPoints = touchPoints,45                Modifiers = _keyboard.Modifiers46            }).ConfigureAwait(false);47            await _client.SendAsync("Input.dispatchTouchEvent", new InputDispatchTouchEventRequest48            {49                Type = "touchEnd",...

RuntimeEvaluateRequest.cs

Source:RuntimeEvaluateRequest.cs

1ï»¿namespace PuppeteerSharp.Messaging2{3    internal class RuntimeEvaluateRequest4    {5        public string Expression { get; set; }6        public bool AwaitPromise { get; set; }7        public bool ReturnByValue { get; set; }8    }9}...

RuntimeEvaluateRequest

Using AI Code Generation

1using System.Threading.Tasks;2using PuppeteerSharp;3using PuppeteerSharp.Messaging;4using Newtonsoft.Json.Linq;5{6    {7        public static async Task Main(string[] args)8        {9            var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            {14                Expression = "document.querySelector('title').innerText",15            };16            var response = await page.Client.SendAsync(runtimeEvaluateRequest);17            var title = response.Result.Value<string>();18            System.Console.WriteLine(title);19        }20    }21}22using System.Threading.Tasks;23using PuppeteerSharp;24{25    {26        public static async Task Main(string[] args)27        {28            var browser = await Puppeteer.LaunchAsync(new LaunchOptions29            {30            });31            var page = await browser.NewPageAsync();32            var title = await page.EvaluateExpressionAsync<string>("document.querySelector('title').innerText");33            System.Console.WriteLine(title);34        }35    }36}37using System.Threading.Tasks;38using PuppeteerSharp;39{40    {41        public static async Task Main(string[] args)42        {43            var browser = await Puppeteer.LaunchAsync(new LaunchOptions44            {45            });46            var page = await browser.NewPageAsync();47            var frame = page.MainFrame;48            var title = await frame.EvaluateExpressionAsync<string>("document.querySelector('title').innerText");49            System.Console.WriteLine(title);50        }51    }52}53using System.Threading.Tasks;54using PuppeteerSharp;55{56    {57        public static async Task Main(string[] args)58        {

RuntimeEvaluateRequest

Using AI Code Generation

1using System.Threading.Tasks;2using PuppeteerSharp;3using PuppeteerSharp.Messaging;4{5    {6        public string expression { get; set; }7        public bool awaitPromise { get; set; }8        public bool returnByValue { get; set; }9        public bool generatePreview { get; set; }10        public bool userGesture { get; set; }11        public bool includeCommandLineAPI { get; set; }12        public bool silent { get; set; }13        public bool throwOnSideEffect { get; set; }14        public bool timeout { get; set; }15        public bool disableBreaks { get; set; }16        public bool replMode { get; set; }17        public bool allowUnsafeEvalBlockedByCSP { get; set; }18        public bool contextId { get; set; }19    }20    {21        public static async Task Main(string[] args)22        {23            var browser = await Puppeteer.LaunchAsync(new LaunchOptions24            {25                Args = new string[] { "--remote-debugging-port=9222" }26            });27            var page = await browser.NewPageAsync();28            await page.EvaluateExpressionAsync("document.querySelector(\"input[name=q]\").value = \"Hello World\"");29            await page.ScreenshotAsync("google.png");30            await browser.CloseAsync();31        }32    }33}

RuntimeEvaluateRequest

Using AI Code Generation

1using PuppeteerSharp.Messaging;2var response = await Page.RuntimeEvaluateAsync(new RuntimeEvaluateRequest3{4    Expression = "document.querySelector('h1').textContent",5});6Console.WriteLine(response.Result.Value);7using PuppeteerSharp;8var response = await Page.EvaluateExpressionAsync("document.querySelector('h1').textContent");9Console.WriteLine(response);10using PuppeteerSharp;11var response = await Page.EvaluateExpressionAsync("document.querySelector('h1').textContent");12Console.WriteLine(response);13using PuppeteerSharp;14var response = await Page.EvaluateExpressionAsync("document.querySelector('h1').textContent");15Console.WriteLine(response);16using PuppeteerSharp;17var response = await Page.EvaluateExpressionAsync("document.querySelector('h1').textContent");18Console.WriteLine(response);19using PuppeteerSharp;20var response = await Page.EvaluateExpressionAsync("document.querySelector('h1').textContent");21Console.WriteLine(response);22using PuppeteerSharp;23var response = await Page.EvaluateExpressionAsync("document.querySelector('h1').textContent");24Console.WriteLine(response);25using PuppeteerSharp;26var response = await Page.EvaluateExpressionAsync("document.querySelector('h1').textContent");27Console.WriteLine(response);28using PuppeteerSharp;29var response = await Page.EvaluateExpressionAsync("document.querySelector('h1').textContent");30Console.WriteLine(response);31using PuppeteerSharp;32var response = await Page.EvaluateExpressionAsync("document.querySelector('h1').textContent");33Console.WriteLine(response);34using PuppeteerSharp;35var response = await Page.EvaluateExpressionAsync("document.querySelector('h1').textContent");36Console.WriteLine(response);

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