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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Diagnostics;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.FileProviders;
using Microsoft.Extensions.Hosting;
using Moq;
namespace Microsoft.AspNetCore.Components.Server.Tests;
public class ComponentEndpointRouteBuilderExtensionsTest
{
[Fact]
public void MapBlazorHub_WiresUp_UnderlyingHub()
{
// Arrange
var applicationBuilder = CreateAppBuilder();
var called = false;
// Act
var app = applicationBuilder
.UseRouting()
.UseEndpoints(endpoints =>
{
endpoints.MapBlazorHub(dispatchOptions => called = true);
}).Build();
// Assert
Assert.True(called);
}
[Fact]
public void MapBlazorHub_MostGeneralOverload_MapsUnderlyingHub()
{
// Arrange
var applicationBuilder = CreateAppBuilder();
var called = false;
// Act
var app = applicationBuilder
.UseRouting()
.UseEndpoints(endpoints =>
{
endpoints.MapBlazorHub("_blazor", dispatchOptions => called = true);
}).Build();
// Assert
Assert.True(called);
}
[Fact]
public void MapBlazorHub_AppliesFinalConventionToEachBuilder()
{
// Arrange
var applicationBuilder = CreateAppBuilder();
var buildersAffected = new List<string>();
var called = false;
// Act
var app = applicationBuilder
.UseRouting()
.UseEndpoints(endpoints =>
{
endpoints
.MapBlazorHub(dispatchOptions => called = true)
.WithMetadata("initial-md")
.Finally(builder =>
{
if (builder.Metadata.Any(md => md is string smd && smd == "initial-md"))
{
buildersAffected.Add(builder.DisplayName);
}
});
}).Build();
// Trigger endpoint construction
app.Invoke(new DefaultHttpContext());
// Assert
Assert.True(called);
// Final conventions are applied to each of the builders
// in the Blazor component hub
Assert.Equal(5, buildersAffected.Count);
Assert.Contains("/_blazor/negotiate", buildersAffected);
Assert.Contains("/_blazor", buildersAffected);
Assert.Contains("Blazor disconnect", buildersAffected);
Assert.Contains("Blazor initializers", buildersAffected);
Assert.Contains("Blazor static files", buildersAffected);
}
[Fact]
public void MapBlazorHub_AppliesFinalConventionsInFIFOOrder()
{
// Arrange
var applicationBuilder = CreateAppBuilder();
var called = false;
var populatedMetadata = Array.Empty<string>();
// Act
var app = applicationBuilder
.UseRouting()
.UseEndpoints(endpoints =>
{
var builder = endpoints.MapBlazorHub(dispatchOptions => called = true);
builder.Finally(b => b.Metadata.Add("first-in"));
builder.Finally(b => b.Metadata.Add("last-in"));
builder.Finally(b =>
{
populatedMetadata = b.Metadata.OfType<string>().ToArray();
});
}).Build();
// Trigger endpoint construction
app.Invoke(new DefaultHttpContext());
// Assert
Assert.True(called);
Assert.Equal(new[] { "first-in", "last-in" }, populatedMetadata);
}
private IApplicationBuilder CreateAppBuilder()
{
var environment = new Mock<IWebHostEnvironment>();
environment.SetupGet(e => e.ApplicationName).Returns("app");
environment.SetupGet(e => e.WebRootFileProvider).Returns(new NullFileProvider());
var services = new ServiceCollection();
services.AddSingleton(Mock.Of<IHostApplicationLifetime>());
services.AddLogging();
services.AddOptions();
var listener = new DiagnosticListener("Microsoft.AspNetCore");
services.AddSingleton(listener);
services.AddSingleton<DiagnosticSource>(listener);
services.AddRouting();
services.AddSignalR();
services.AddServerSideBlazor();
services.AddSingleton(environment.Object);
services.AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
var serviceProvider = services.BuildServiceProvider();
return new ApplicationBuilder(serviceProvider);
}
private class MyComponent : IComponent
{
public void Attach(RenderHandle renderHandle)
{
throw new System.NotImplementedException();
}
public Task SetParametersAsync(ParameterView parameters)
{
throw new System.NotImplementedException();
}
}
}
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