Change TestContext registration in services and elements to TestContextBase, added additional smoke tests for handlers triggers

Author: egil

src/bunit.web/Asserting/MarkupMatchesAssertExtensions.cs

@@ -2,6 +2,7 @@
 using AngleSharp.Dom;
 using Bunit.Asserting;
 using Bunit.Diffing;
+using Bunit.Extensions;
 using Bunit.Rendering;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Extensions.DependencyInjection;
@@ -301,8 +302,8 @@ public static void MarkupMatches(this IRenderedFragment actual, RenderFragment e
 			if (expected is null)
 				throw new ArgumentNullException(nameof(expected));
 
-			var testContext = actual.Services.GetRequiredService<TestContext>();
-			var renderedFragment = testContext.Render(expected);
+			var testContext = actual.Services.GetRequiredService<TestContextBase>();
+			var renderedFragment = testContext.RenderInsideRenderTree(expected);
 			MarkupMatches(actual, renderedFragment, userMessage);
 		}
 
@@ -323,7 +324,7 @@ public static void MarkupMatches(this INode actual, RenderFragment expected, str
 				throw new ArgumentNullException(nameof(expected));
 
 			var testContext = actual.GetTestContext() ?? new TestContext();
-			var renderedFragment = testContext.Render(expected);
+			var renderedFragment = testContext.RenderInsideRenderTree(expected);
 			MarkupMatches(actual, renderedFragment, userMessage);
 		}
 
@@ -344,7 +345,7 @@ public static void MarkupMatches(this INodeList actual, RenderFragment expected,
 				throw new ArgumentNullException(nameof(expected));
 
 			var testContext = actual.GetTestContext() ?? new TestContext();
-			var renderedFragment = testContext.Render(expected);
+			var renderedFragment = testContext.RenderInsideRenderTree(expected);
 			MarkupMatches(actual, renderedFragment, userMessage);
 		}
 

src/bunit.web/Extensions/Internal/AngleSharpExtensions.cs

@@ -71,9 +71,9 @@ public static IEnumerable<INode> AsEnumerable(this INode node)
 		/// </summary>
 		/// <param name="node"></param>
 		/// <returns>The <see cref="TestContext"/> or null if not found.</returns>
-		public static TestContext? GetTestContext(this INode? node)
+		public static TestContextBase? GetTestContext(this INode? node)
 		{
-			return node?.Owner.Context.GetService<TestContext>();
+			return node?.Owner.Context.GetService<TestContextBase>();
 		}
 
 		/// <summary>
@@ -82,7 +82,7 @@ public static IEnumerable<INode> AsEnumerable(this INode node)
 		/// </summary>
 		/// <param name="nodes"></param>
 		/// <returns>The <see cref="TestContext"/> or null if not found.</returns>
-		public static TestContext? GetTestContext(this INodeList nodes)
+		public static TestContextBase? GetTestContext(this INodeList nodes)
 		{
 			return nodes?.Length > 0 ? nodes[0].GetTestContext() : null;
 		}

src/bunit.web/Extensions/TestServiceProviderExtensions.cs

@@ -1,5 +1,6 @@
 using System.Net.Http;
 using Bunit.Diffing;
+using Bunit.JSInterop;
 using Bunit.Rendering;
 using Bunit.TestDoubles;
 using Microsoft.AspNetCore.Authorization;
@@ -21,7 +22,7 @@ public static class TestServiceProviderExtensions
 		/// <summary>
 		/// Registers the default services required by the web <see cref="TestContext"/>.
 		/// </summary>
-		public static IServiceCollection AddDefaultTestContextServices(this IServiceCollection services)
+		public static IServiceCollection AddDefaultTestContextServices(this IServiceCollection services, TestContextBase testContext, BunitJSInterop jsInterop)
 		{
 			// Placeholders and defaults for common Blazor services
 			services.AddSingleton<ILoggerFactory>(NullLoggerFactory.Instance);
@@ -31,7 +32,12 @@ public static IServiceCollection AddDefaultTestContextServices(this IServiceColl
 			services.AddSingleton<HttpClient, PlaceholderHttpClient>();
 			services.AddSingleton<IStringLocalizer, PlaceholderStringLocalization>();
 
+			// bUnits fake JSInterop
+			jsInterop.AddBuiltInJSRuntimeInvocationHandlers();
+			services.AddSingleton<IJSRuntime>(jsInterop.JSRuntime);
+
 			// bUnit specific services
+			services.AddSingleton<TestContextBase>(testContext);
 			services.AddSingleton<ITestRenderer, WebTestRenderer>();
 			services.AddSingleton<HtmlComparer>();
 			services.AddSingleton<BunitHtmlParser>();

src/bunit.web/RazorTesting/Fixture.cs

@@ -42,9 +42,7 @@ private IReadOnlyList<FragmentBase> TestData
 		/// </summary>
 		public Fixture()
 		{
-			JSInterop.AddBuiltInJSRuntimeInvocationHandlers();
-			Services.AddSingleton<IJSRuntime>(JSInterop.JSRuntime);
-			Services.AddDefaultTestContextServices();
+			Services.AddDefaultTestContextServices(this, JSInterop);
 		}
 
 		/// <summary>
@@ -170,7 +168,6 @@ private static IRenderedComponent<TComponent> TryCastTo<TComponent>(IRenderedFra
 		/// <inheritdoc/>
 		protected override Task Run()
 		{
-			Services.AddDefaultTestContextServices();
 			return base.Run(this);
 		}
 	}

src/bunit.web/RazorTesting/SnapshotTest.cs

@@ -53,9 +53,7 @@ public class SnapshotTest : RazorTestBase
 		/// </summary>
 		public SnapshotTest()
 		{
-			JSInterop.AddBuiltInJSRuntimeInvocationHandlers();
-			Services.AddSingleton<IJSRuntime>(JSInterop.JSRuntime);
-			Services.AddDefaultTestContextServices();
+			Services.AddDefaultTestContextServices(this, JSInterop);
 		}
 
 		/// <inheritdoc/>
@@ -79,7 +77,7 @@ protected override async Task Run()
 
 		private void VerifySnapshot(string inputHtml, string expectedHtml)
 		{
-			using var parser = new BunitHtmlParser();
+			var parser = Services.GetRequiredService<BunitHtmlParser>();
 			var inputNodes = parser.Parse(inputHtml);
 			var expectedNodes = parser.Parse(expectedHtml);
 

src/bunit.web/Rendering/BunitHtmlParser.cs

@@ -36,7 +36,7 @@ public BunitHtmlParser() : this(Configuration.Default.WithCss().With(new HtmlCom
 		/// Creates an instance of the parser with a AngleSharp context 
 		/// with the <paramref name="testRenderer"/> registered.
 		/// </summary>
-		public BunitHtmlParser(ITestRenderer testRenderer, HtmlComparer htmlComparer, TestContext testContext)
+		public BunitHtmlParser(ITestRenderer testRenderer, HtmlComparer htmlComparer, TestContextBase testContext)
 			: this(Configuration.Default.WithCss()
 				  .With(testRenderer ?? throw new ArgumentNullException(nameof(testRenderer)))
 				  .With(htmlComparer ?? throw new ArgumentNullException(nameof(htmlComparer)))

src/bunit.web/TestContext.cs

@@ -23,10 +23,7 @@ public class TestContext : TestContextBase
 		/// </summary>
 		public TestContext()
 		{
-			Services.AddSingleton(this);
-			JSInterop.AddBuiltInJSRuntimeInvocationHandlers();
-			Services.AddSingleton(JSInterop.JSRuntime);
-			Services.AddDefaultTestContextServices();
+			Services.AddDefaultTestContextServices(this, JSInterop);
 		}
 
 		/// <summary>

tests/bunit.core.tests/Rendering/TestRendererTest.cs

@@ -73,17 +73,8 @@ protected override void BuildRenderTree(RenderTreeBuilder builder)
 		}
 	}
 
-	public class TestRendererTest
+	public class TestRendererTest : TestContext
 	{
-		private TestServiceProvider Services { get; }
-
-		public TestRendererTest()
-		{
-			Services = new TestServiceProvider();
-			Services.AddDefaultTestContextServices();
-			Services.AddSingleton<ITestRenderer, TestRenderer>();
-		}
-
 		[Fact(DisplayName = "RenderFragment re-throws exception from component")]
 		public void Test004()
 		{

tests/bunit.web.tests/RazorTesting/FixtureTest.razor

@@ -199,3 +199,18 @@
 		}
 	}
 </Fixture>
+
+<Fixture Test="Test030" Description="Can raise events from markup rendered with Fixture">
+	<ComponentUnderTest>
+		<ClickCounter></ClickCounter>
+	</ComponentUnderTest>
+	@code
+	{
+		void Test030(Fixture f)
+		{
+			f.GetComponentUnderTest()
+				.Find("button")
+				.Click();
+		}
+	}
+</Fixture>

tests/bunit.web.tests/TestContextTest.cs

@@ -86,6 +86,14 @@ public void Test033()
 				.ShouldBe("FOO");
 		}
 
+		[Fact(DisplayName = "Can raise events from markup rendered with TestContext")]
+		public void Test040()
+		{
+			RenderComponent<ClickCounter>()
+				.Find("button")
+				.Click();
+		}
+
 		class ReceivesCascadinValue : ComponentBase
 		{
 			[CascadingParameter] public string? Value { get; set; }