tests: fix blog host factory to use built in use kestrel call and dump composite host.

test/Blog.Tests/EndToEnd/BlogHostFactory.cs

@@ -2,62 +2,28 @@ namespace Blog.Tests.EndToEnd;
 
 public class BlogHostFactory<TProgram> : WebApplicationFactory<TProgram> where TProgram : class
 {
-  private IHost? _host;
-
-  private void EnsureServer()
+  public BlogHostFactory()
   {
-    if (_host is null)
-    {
-      using var _ = CreateDefaultClient();
-    }
-  }
-
-  protected override void Dispose(bool disposing)
-  {
-    _host?.Dispose();
+    UseKestrel(server => server.Listen(IPAddress.Loopback, 0));
   }
 
   public string ServerAddress
   {
     get
     {
-      EnsureServer();
+      StartServer();
       return ClientOptions.BaseAddress.ToString();
     }
   }
 
-  protected override IHost CreateHost(IHostBuilder builder)
+  protected override void ConfigureWebHost(IWebHostBuilder builder)
   {
-    var testHost = builder
-      .ConfigureWebHost(webHostBuilder =>
-      {
-        webHostBuilder.ConfigureLogging(config => config.ClearProviders());
-        webHostBuilder.ConfigureTestServices(services =>
-        {
-          var postsDirectory = Path.Combine(Directory.GetCurrentDirectory(), "TestPosts");
-          var postServiceOptions = new FilePostServiceOptions() { PostsDirectory = postsDirectory };
-          services.AddSingleton(Options.Create(postServiceOptions));
-        });
-      })
-      .Build();
-
-    builder.ConfigureWebHost(
-      webHostBuilder => webHostBuilder.UseKestrel(
-        o => o.Listen(IPAddress.Loopback, 0)
-      )
-    );
-
-    _host = builder.Build();
-    _host.Start();
-
-    var server = _host.Services.GetRequiredService<IServer>();
-    var addresses = server.Features.GetRequiredFeature<IServerAddressesFeature>();
-
-    ClientOptions.BaseAddress = addresses.Addresses
-      .Select(x => new Uri(x))
-      .Last();
-
-    testHost.Start();
-    return testHost;
+    builder.ConfigureLogging(config => config.ClearProviders());
+    builder.ConfigureTestServices(services =>
+    {
+      var postsDirectory = Path.Combine(Directory.GetCurrentDirectory(), "TestPosts");
+      var postServiceOptions = new FilePostServiceOptions() { PostsDirectory = postsDirectory };
+      services.AddSingleton(Options.Create(postServiceOptions));
+    });
   }
 }