test: 增加单元测试

Author: ArgoZhang

test/UnitTest/Services/BootstrapBlazorRootRegisterServiceTest.cs

@@ -0,0 +1,69 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the Apache 2.0 License
+// See the LICENSE file in the project root for more information.
+// Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
+
+using System.Runtime.CompilerServices;
+
+namespace UnitTest.Services;
+
+public class BootstrapBlazorRootRegisterServiceTest
+{
+    [Fact]
+    public void Provider_Ok()
+    {
+        var service = new BootstrapBlazorRootRegisterService();
+        var exception = Assert.ThrowsAny<InvalidOperationException>(() => service.RemoveProvider(new object(), new BootstrapBlazorRootContent()));
+        Assert.Equal("There are no content providers with the given root ID 'System.Object'.", exception.Message);
+
+        var identifier = new object();
+        service.AddProvider(identifier, new BootstrapBlazorRootContent());
+        exception = Assert.ThrowsAny<InvalidOperationException>(() => service.RemoveProvider(identifier, new BootstrapBlazorRootContent()));
+        Assert.Equal("The provider was not found in the providers list of the given root ID 'System.Object'.", exception.Message);
+    }
+
+    [Fact]
+    public void Subscribe_Ok()
+    {
+        var service = new BootstrapBlazorRootRegisterService();
+        var identifier = new object();
+        service.Subscribe(identifier, new BootstrapBlazorRootOutlet());
+        var exception = Assert.ThrowsAny<InvalidOperationException>(() => service.Subscribe(identifier, new BootstrapBlazorRootOutlet()));
+        Assert.Equal("There is already a subscriber to the content with the given root ID 'System.Object'.", exception.Message);
+
+        exception = Assert.ThrowsAny<InvalidOperationException>(() => service.Unsubscribe(new object()));
+        Assert.Equal("The subscriber with the given root ID 'System.Object' is already unsubscribed.", exception.Message);
+    }
+
+    [Fact]
+    public void NotifyContentProviderChanged_Ok()
+    {
+        var service = new BootstrapBlazorRootRegisterService();
+        var exception = Assert.ThrowsAny<InvalidOperationException>(() => service.NotifyContentProviderChanged(new object(), new BootstrapBlazorRootContent()));
+        Assert.Equal("There are no content providers with the given root ID 'System.Object'.", exception.Message);
+
+
+        var identifier = new object();
+        service.AddProvider(identifier, new BootstrapBlazorRootContent());
+
+        var providers = service.GetProviders(identifier);
+        providers.Clear();
+        service.NotifyContentProviderChanged(identifier, new BootstrapBlazorRootContent());
+    }
+
+    [Fact]
+    public void GetCurrentProviderContentOrDefault_Ok()
+    {
+        var service = new BootstrapBlazorRootRegisterService();
+        Assert.Null(GetCurrentProviderContentOrDefault(service, []));
+
+        var provider = new BootstrapBlazorRootContent();
+        service.AddProvider(new object(), provider);
+        Assert.Equal(provider, GetCurrentProviderContentOrDefault(service, [provider]));
+    }
+
+
+    [UnsafeAccessor(UnsafeAccessorKind.StaticMethod, Name = "GetCurrentProviderContentOrDefault")]
+    static extern BootstrapBlazorRootContent? GetCurrentProviderContentOrDefault(BootstrapBlazorRootRegisterService @this, List<BootstrapBlazorRootContent> providers);
+
+}