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How to use MessageException class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.MessageException

CDPSession.cs

Source:CDPSession.cs

...136            catch (Exception ex)137            {138                if (waitForCallback && _callbacks.TryRemove(id, out _))139                {140                    callback.TaskWrapper.TrySetException(new MessageException(ex.Message, ex));141                }142            }143            return waitForCallback ? await callback.TaskWrapper.Task.ConfigureAwait(false) : null;144        }145        /// <summary>146        /// Detaches session from target. Once detached, session won't emit any events and can't be used to send messages.147        /// </summary>148        /// <returns></returns>149        /// <exception cref="T:PuppeteerSharp.PuppeteerException"></exception>150        public Task DetachAsync()151        {152            if (Connection == null)153            {154                throw new PuppeteerException($"Session already detached.Most likely the {TargetType} has been closed.");155            }156            return Connection.SendAsync("Target.detachFromTarget", new TargetDetachFromTargetRequest157            {158                SessionId = SessionId159            });160        }161        internal bool HasPendingCallbacks() => _callbacks.Count != 0;162        #endregion163        #region Private Methods164        internal void OnMessage(ConnectionResponse obj)165        {166            var id = obj.Id;167            if (id.HasValue && _callbacks.TryRemove(id.Value, out var callback))168            {169                if (obj.Error != null)170                {171                    callback.TaskWrapper.TrySetException(new MessageException(callback, obj.Error));172                }173                else174                {175                    callback.TaskWrapper.TrySetResult(obj.Result);176                }177            }178            else179            {180                var method = obj.Method;181                var param = obj.Params?.ToObject<ConnectionResponseParams>();182                MessageReceived?.Invoke(this, new MessageEventArgs183                {184                    MessageID = method,185                    MessageData = obj.Params...

BrowserActor.cs

Source:BrowserActor.cs

...95                        }96                        else if (exception is EvaluationFailedException)97                        {98                        }99                        else if (exception is MessageException)100                        {101                        }102                        else if (exception is NavigationException) // Couldn't Navigate to url. Or Browser was disconnected //Target.detachedFromTarget103                        {104                            return Directive.Restart;105                        }106                        else if (exception is SelectorException)107                        {108                        }109                        else if (exception is TargetClosedException) // Page was closed110                        {111                            return Directive.Restart;112                        }113                    }...

FileChooserAcceptTests.cs

Source:FileChooserAcceptTests.cs

...86            var waitForTask = Page.WaitForFileChooserAsync();87            await Task.WhenAll(88                waitForTask,89                Page.ClickAsync("input"));90            var ex = await Assert.ThrowsAsync<MessageException>(() => waitForTask.Result.AcceptAsync(91                "./assets/file-to-upload.txt",92                "./assets/pptr.png"));93        }94        [Fact]95        public async Task ShouldFailWhenAcceptingFileChooserTwice()96        {97            await Page.SetContentAsync("<input type=file>");98            var waitForTask = Page.WaitForFileChooserAsync();99            await Task.WhenAll(100                waitForTask,101                Page.ClickAsync("input"));102            var fileChooser = waitForTask.Result;103            await fileChooser.AcceptAsync();104            var ex = await Assert.ThrowsAsync<PuppeteerException>(() => waitForTask.Result.AcceptAsync());...

CreateCDPSessionTests.cs

Source:CreateCDPSessionTests.cs

...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();89            });90            Assert.Contains("TheSourceOfTheProblems", exception.StackTrace);91            Assert.Contains("ThisCommand.DoesNotExist", exception.Message);92        }93    }94}...

AsyncMessageQueue.cs

Source:AsyncMessageQueue.cs

...84        private static void HandleAsyncMessage(MessageTask callback, ConnectionResponse obj)85        {86            if (obj.Error != null)87            {88                callback.TaskWrapper.TrySetException(new MessageException(callback, obj.Error));89            }90            else91            {92                callback.TaskWrapper.TrySetResult(obj.Result);93            }94        }95    }96}...

MessageException.cs

Source:MessageException.cs

...5{6    /// <summary>7    /// Exception thrown by <seealso cref="CDPSession.SendAsync(string, object)"/>8    /// </summary>9    public class MessageException : PuppeteerException10    {11        /// <summary>12        /// Initializes a new instance of the <see cref="MessageException"/> class.13        /// </summary>14        /// <param name="message">Message.</param>15        public MessageException(string message) : base(message)16        {17        }18        /// <summary>19        /// Initializes a new instance of the <see cref="MessageException"/> class.20        /// </summary>21        /// <param name="message">Message.</param>22        /// <param name="innerException">Inner exception.</param>23        public MessageException(string message, Exception innerException) : base(message, innerException)24        {25        }26        internal MessageException(MessageTask callback, ConnectionError error) : base(GetCallbackMessage(callback, error))27        {28        }29        internal static string GetCallbackMessage(MessageTask callback, ConnectionError connectionError)30        {31            var message = $"Protocol error ({callback.Method}): {connectionError.Message}";32            if (!string.IsNullOrEmpty(connectionError.Data))33            {34                message += $" {connectionError.Data}";35            }36            return !string.IsNullOrEmpty(connectionError.Message) ? RewriteErrorMeesage(message) : string.Empty;37        }38    }39}...

JsonValueTests.cs

Source:JsonValueTests.cs

...27        [Fact]28        public async Task ShouldThrowForCircularObjects()29        {30            var windowHandle = await Page.EvaluateExpressionHandleAsync("window");31            var exception = await Assert.ThrowsAsync<MessageException>(()32                => windowHandle.JsonValueAsync());33            Assert.Contains("Object reference chain is too long", exception.Message);34        }35    }36}...

ConnectionTests.cs

Source:ConnectionTests.cs

...1415        [Fact]16        public async Task ShouldThrowNiceErrors()17        {18            var exception = await Assert.ThrowsAsync<MessageException>(async () =>19            {20                await TheSourceOfTheProblems();21            });22            Assert.Contains("TheSourceOfTheProblems", exception.StackTrace);23            Assert.Contains("ThisCommand.DoesNotExist", exception.Message);24        }2526        private async Task TheSourceOfTheProblems()27        {28            await Page.Client.SendAsync("ThisCommand.DoesNotExist");29        }30    }31}

MessageException

Using AI Code Generation

1using PuppeteerSharp;2{3    {4        static async Task Main(string[] args)5        {6            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);7            var browser = await Puppeteer.LaunchAsync(new LaunchOptions8            {9            });10            var page = await browser.NewPageAsync();11            page.SetRequestInterceptionAsync(true);12            page.Request += async (sender, e) =>13            {14                if (e.Request.ResourceType == ResourceType.Image)15                {16                    await e.Request.AbortAsync();17                }18                {19                    await e.Request.ContinueAsync();20                }21            };22            await page.ScreenshotAsync("screenshot.png");23            await browser.CloseAsync();24        }25    }26}27using PuppeteerSharp;28{29    {30        static async Task Main(string[] args)31        {32            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);33            var browser = await Puppeteer.LaunchAsync(new LaunchOptions34            {35            });36            var page = await browser.NewPageAsync();37            page.SetRequestInterceptionAsync(true);38            page.Request += async (sender, e) =>39            {40                if (e.Request.ResourceType == ResourceType.Image)41                {42                    await e.Request.AbortAsync();43                }44                {45                    await e.Request.ContinueAsync();46                }47            };48            await page.ScreenshotAsync("screenshot.png");49            await browser.CloseAsync();50        }51    }52}

MessageException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10            });11            var page = await browser.NewPageAsync();12            {13            }14            catch (PuppeteerException ex)15            {16                Console.WriteLine(ex.Message);17            }18            await browser.CloseAsync();19        }20    }21}

MessageException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var options = new LaunchOptions { Headless = false };9            using (var browser = await Puppeteer.LaunchAsync(options))10            using (var page = await browser.NewPageAsync())11            {12                {13                }14                catch (MessageException ex)15                {16                    Console.WriteLine(ex.Message);17                }18            }19        }20    }21}22Your name to display (optional):

MessageException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    static async Task Main(string[] args)6    {7        {8            var options = new LaunchOptions { Headless = true };9            using (var browser = await Puppeteer.LaunchAsync(options))10            using (var page = await browser.NewPageAsync())11            {12            }13        }14        catch (MessageException ex)15        {16            Console.WriteLine(ex.Message);17        }18    }19}

MessageException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        public MessageException(string message) : base(message) { }7    }8}9using PuppeteerSharp;10using System;11using System.Threading.Tasks;12{13    {14        public MessageException(string message) : base(message) { }15    }16}17using PuppeteerSharp;18using System;19using System.Threading.Tasks;20{21    {22        public MessageException(string message) : base(message) { }23    }24}25using PuppeteerSharp;26using System;27using System.Threading.Tasks;28{29    {30        public MessageException(string message) : base(message) { }31    }32}33using PuppeteerSharp;34using System;35using System.Threading.Tasks;36{37    {38        public MessageException(string message) : base(message) { }39    }40}41using PuppeteerSharp;42using System;43using System.Threading.Tasks;44{45    {46        public MessageException(string message) : base(message) { }47    }48}49using PuppeteerSharp;50using System;51using System.Threading.Tasks;52{53    {54        public MessageException(string message) : base(message) { }55    }56}57using PuppeteerSharp;58using System;59using System.Threading.Tasks;60{61    {62        public MessageException(string message) : base(message) { }

MessageException

Using AI Code Generation

1using PuppeteerSharp;2using System.Threading.Tasks;3{4    {5        public MessageException(string message) : base(message)6        {7        }8    }9}10using PuppeteerSharp;11using System.Threading.Tasks;12{13    {14        public MessageException(string message) : base(message)15        {16        }17    }18}19using PuppeteerSharp;20using System.Threading.Tasks;21{22    {23        public MessageException(string message) : base(message)24        {25        }26    }27}28using PuppeteerSharp;29using System.Threading.Tasks;30{31    {32        public MessageException(string message) : base(message)33        {34        }35    }36}37using PuppeteerSharp;38using System.Threading.Tasks;39{40    {41        public MessageException(string message) : base(message)42        {43        }44    }45}46using PuppeteerSharp;47using System.Threading.Tasks;48{49    {50        public MessageException(string message) : base(message)51        {52        }53    }54}55using PuppeteerSharp;56using System.Threading.Tasks;57{58    {59        public MessageException(string message) : base(message)60        {61        }62    }63}64using PuppeteerSharp;65using System.Threading.Tasks;66{67    {68        public MessageException(string message) :

MessageException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        public static async Task Main(string[] args)7        {8            {9            };10            using (var browser = await Puppeteer.LaunchAsync(options))11            using (var page = await browser.NewPageAsync())12            {13                {14                    await page.ClickAsync("input[value='I am Feeling Lucky']");15                }16                catch (PuppeteerException ex)17                {18                    Console.WriteLine(ex.Message);19                }20            }21        }22    }23}

MessageException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        public MessageException(string message) : base(message)7        {8        }9    }10}11using PuppeteerSharp;12using System;13using System.Threading.Tasks;14{15    {16        public MessageException(string message) : base(message)17        {18        }19    }20}21using PuppeteerSharp;22using System;23using System.Threading.Tasks;24{25    {26        public MessageException(string message) : base(message)27        {28        }29    }30}31using PuppeteerSharp;32using System;33using System.Threading.Tasks;34{35    {36        public MessageException(string message) : base(message)37        {38        }39    }40}41using PuppeteerSharp;42using System;43using System.Threading.Tasks;44{45    {46        public MessageException(string message) : base(message)47        {48        }49    }50}51using PuppeteerSharp;52using System;53using System.Threading.Tasks;54{55    {56        public MessageException(string message) : base(message)57        {58        }59    }60}61using PuppeteerSharp;62using System;63using System.Threading.Tasks;64{65    {66        public MessageException(string message) : base(message)67        {68        }69    }70}71using PuppeteerSharp;72using System;73using System.Threading.Tasks;

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