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All rights reserved. +// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using BasicTestApp; +using Microsoft.AspNetCore.Components.E2ETest.Infrastructure; +using Microsoft.AspNetCore.Components.E2ETest.Infrastructure.ServerFixtures; +using Microsoft.AspNetCore.E2ETesting; +using OpenQA.Selenium; +using OpenQA.Selenium.Support.UI; +using Xunit; +using Xunit.Abstractions; + +namespace Microsoft.AspNetCore.Components.E2ETest.ServerExecutionTests +{ + public class ServerReconnectionTest : BasicTestAppTestBase + { + public ServerReconnectionTest( + BrowserFixture browserFixture, + ToggleExecutionModeServerFixture serverFixture, + ITestOutputHelper output) + : base(browserFixture, serverFixture.WithServerExecution(), output) + { + } + + public string SessionIdentifier { get; set; } = Guid.NewGuid().ToString(); + + protected override void InitializeAsyncCore() + { + Navigate(ServerPathBase, noReload: false); + + Browser.Manage().Cookies.DeleteCookieNamed("WebSockets.Identifier"); + Browser.Manage().Cookies.AddCookie(new Cookie("WebSockets.Identifier", SessionIdentifier)); + Browser.Navigate().Refresh(); + } + + [Fact] + public void ReconnectUI() + { + MountTestComponent(); + Browser.Equal("0", () => Browser.FindElement(By.Id("counter-count")).Text); + + var counterButton = Browser.FindElement(By.Id("counter-click")); + for (int i = 0; i < 10; i++) + { + counterButton.Click(); + } + + Disconnect(); + + // We should see the 'reconnecting' UI appear + Browser.True( + () => Browser.FindElement(By.Id("components-reconnect-modal"))?.GetCssValue("display") == "block", + TimeSpan.FromSeconds(10)); + + // Then it should disappear + Browser.True(() => Browser.FindElement(By.Id("components-reconnect-modal"))?.GetCssValue("display") == "none", + TimeSpan.FromSeconds(10)); + + counterButton = Browser.FindElement(By.Id("counter-click")); + for (int i = 0; i < 10; i++) + { + counterButton.Click(); + } + + Browser.Equal("20", () => Browser.FindElement(By.Id("counter-count")).Text); + } + + [Fact] + public void RendersContinueAfterReconnect() + { + MountTestComponent(); + + var selector = By.ClassName("tick-value"); + var element = Browser.FindElement(selector); + + var initialValue = element.Text; + + Disconnect(); + + // We should see the 'reconnecting' UI appear + Browser.True( + () => Browser.FindElement(By.Id("components-reconnect-modal"))?.GetCssValue("display") == "block", + TimeSpan.FromSeconds(10)); + + // Then it should disappear + Browser.True(() => Browser.FindElement(By.Id("components-reconnect-modal"))?.GetCssValue("display") == "none", + TimeSpan.FromSeconds(10)); + + // We should receive a render that occurred while disconnected + var currentValue = element.Text; + Assert.NotEqual(initialValue, currentValue); + + // Verify it continues to tick + new WebDriverWait(Browser, TimeSpan.FromSeconds(10)).Until( + _ => element.Text != currentValue); + } + + private void Disconnect() + { + var javascript = (IJavaScriptExecutor)Browser; + Browser.ExecuteAsyncScript($"fetch('/WebSockets/Interrupt?WebSockets.Identifier={SessionIdentifier}').then(r => window['WebSockets.{SessionIdentifier}'] = r.ok)"); + Browser.HasJavaScriptValue(true, $"window['WebSockets.{SessionIdentifier}']", (r) => r != null); + } + } +} diff --git a/src/Components/test/E2ETest/ServerExecutionTests/ServerSideAppTest.cs b/src/Components/test/E2ETest/ServerExecutionTests/ServerSideAppTest.cs index 4dba75b10c23..5828772b447b 100644 --- a/src/Components/test/E2ETest/ServerExecutionTests/ServerSideAppTest.cs +++ b/src/Components/test/E2ETest/ServerExecutionTests/ServerSideAppTest.cs @@ -138,52 +138,6 @@ public void HasFetchDataPage() } } - [Fact(Skip = "https://github.com/aspnet/AspNetCore/issues/12788")] - public void ReconnectUI() - { - Browser.FindElement(By.LinkText("Counter")).Click(); - - var javascript = (IJavaScriptExecutor)Browser; - javascript.ExecuteScript("Blazor._internal.forceCloseConnection()"); - - // We should see the 'reconnecting' UI appear - var reconnectionDialog = WaitUntilReconnectionDialogExists(); - Browser.True(() => reconnectionDialog.GetCssValue("display") == "block"); - - // Then it should disappear - new WebDriverWait(Browser, TimeSpan.FromSeconds(10)) - .Until(driver => reconnectionDialog.GetCssValue("display") == "none"); - } - - [Fact(Skip = "https://github.com/aspnet/AspNetCore/issues/12788")] - public void RendersContinueAfterReconnect() - { - Browser.FindElement(By.LinkText("Ticker")).Click(); - var selector = By.ClassName("tick-value"); - var element = Browser.FindElement(selector); - - var initialValue = element.Text; - - var javascript = (IJavaScriptExecutor)Browser; - javascript.ExecuteScript("Blazor._internal.forceCloseConnection()"); - - // We should see the 'reconnecting' UI appear - var reconnectionDialog = WaitUntilReconnectionDialogExists(); - Browser.True(() => reconnectionDialog.GetCssValue("display") == "block"); - - // Then it should disappear - new WebDriverWait(Browser, TimeSpan.FromSeconds(10)) - .Until(driver => reconnectionDialog.GetCssValue("display") == "none"); - - // We should receive a render that occurred while disconnected - var currentValue = element.Text; - Assert.NotEqual(initialValue, currentValue); - - // Verify it continues to tick - new WebDriverWait(Browser, TimeSpan.FromSeconds(10)).Until( - _ => element.Text != currentValue); - } - // Since we've removed stateful prerendering, the name which is passed in // during prerendering cannot be retained. The first interactive render // will remove it. @@ -204,13 +158,5 @@ public void ErrorsStopTheRenderingProcess() Browser.True(() => Browser.Manage().Logs.GetLog(LogType.Browser) .Any(l => l.Level == LogLevel.Info && l.Message.Contains("Connection disconnected."))); } - - private IWebElement WaitUntilReconnectionDialogExists() - { - IWebElement reconnectionDialog = null; - new WebDriverWait(Browser, TimeSpan.FromSeconds(10)) - .Until(driver => (reconnectionDialog = driver.FindElement(By.Id("components-reconnect-modal"))) != null); - return reconnectionDialog; - } } } diff --git a/src/Components/test/E2ETest/Tests/AuthTest.cs b/src/Components/test/E2ETest/Tests/AuthTest.cs index deaa6bfb640b..d96b933f9dea 100644 --- a/src/Components/test/E2ETest/Tests/AuthTest.cs +++ b/src/Components/test/E2ETest/Tests/AuthTest.cs @@ -1,6 +1,7 @@ // Copyright (c) .NET Foundation. All rights reserved. // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. +using System; using BasicTestApp; using Microsoft.AspNetCore.Components.E2ETest.Infrastructure; using Microsoft.AspNetCore.Components.E2ETest.Infrastructure.ServerFixtures; @@ -22,6 +23,8 @@ public class AuthTest : BasicTestAppTestBase protected const string PageRequiringPolicy = "Page requiring policy"; protected const string PageRequiringRole = "Page requiring role"; + public string SessionIdentifier { get; } = Guid.NewGuid().ToString(); + public AuthTest( BrowserFixture browserFixture, ToggleExecutionModeServerFixture serverFixture, @@ -188,6 +191,11 @@ public void Router_RequireRole_NotAuthorized() protected IWebElement MountAndNavigateToAuthTest(string authLinkText) { Navigate(ServerPathBase); + + Browser.Manage().Cookies.DeleteCookieNamed("WebSockets.Identifier"); + Browser.Manage().Cookies.AddCookie(new Cookie("WebSockets.Identifier", SessionIdentifier)); + Browser.Navigate().Refresh(); + var appElement = MountTestComponent(); WaitUntilExists(By.Id("auth-links")); appElement.FindElement(By.LinkText(authLinkText)).Click(); diff --git a/src/Components/test/testassets/BasicTestApp/Index.razor b/src/Components/test/testassets/BasicTestApp/Index.razor index fe8608105c8a..40d89388aa15 100644 --- a/src/Components/test/testassets/BasicTestApp/Index.razor +++ b/src/Components/test/testassets/BasicTestApp/Index.razor @@ -53,6 +53,8 @@ + + diff --git a/src/Components/test/testassets/BasicTestApp/ReconnectComponent.razor b/src/Components/test/testassets/BasicTestApp/ReconnectComponent.razor new file mode 100644 index 000000000000..46385074d49a --- /dev/null +++ b/src/Components/test/testassets/BasicTestApp/ReconnectComponent.razor @@ -0,0 +1,14 @@ +

Reconnect component

+ +

This component demonstrates reconnection capabilities for blazor server-side. We click this button a few times, + we force a disconnection and we make sure we are able to successfully reconnect and continue interacting with + the application.

+ +

Current count: @currentCount

+

+ +@code { + int currentCount = 0; + + void IncrementCount() => currentCount++; +} diff --git a/src/Components/test/testassets/ComponentsApp.App/Pages/Ticker.razor b/src/Components/test/testassets/BasicTestApp/ReconnectTicker.razor similarity index 58% rename from src/Components/test/testassets/ComponentsApp.App/Pages/Ticker.razor rename to src/Components/test/testassets/BasicTestApp/ReconnectTicker.razor index 327c5902423d..ec3635e444d2 100644 --- a/src/Components/test/testassets/ComponentsApp.App/Pages/Ticker.razor +++ b/src/Components/test/testassets/BasicTestApp/ReconnectTicker.razor @@ -1,7 +1,14 @@ -@page "/ticker" -@implements IDisposable +@implements System.IDisposable @using System.Threading +

Reconnect component

+ +

+ This component demonstrates reconnection capabilities for blazor server-side. The ticker starts ticking for a + few seconds. Then the application reconnects and the renders resume updating the ticker value. (The renders happened + while the circuit was disconnected). +

+

Ticker

@tick

diff --git a/src/Components/test/testassets/ComponentsApp.App/Shared/NavMenu.razor b/src/Components/test/testassets/ComponentsApp.App/Shared/NavMenu.razor index 57cd09af8c2f..e29502d0d702 100644 --- a/src/Components/test/testassets/ComponentsApp.App/Shared/NavMenu.razor +++ b/src/Components/test/testassets/ComponentsApp.App/Shared/NavMenu.razor @@ -22,11 +22,6 @@ Fetch data -