Allow consumers to specify the interception options prior to app startup

Fun.AspNetCore.Mvc.Testing.HttpClientInterception/ServiceCollectionExtensions.cs

@@ -22,12 +22,13 @@ public static class ServiceCollectionExtensions
 		/// are isolated.
 		/// </summary>
 		/// <param name="services">The <see cref="IServiceCollection" /> to add services to.</param>
+		/// <param name="options">The <see cref="HttpClientInterceptorOptions"/> to use for configuring the interceptions.</param>
 		/// <returns>A reference to this instance after the operation has completed.</returns>
-		public static IServiceCollection AddHttpRequestInterceptor(this IServiceCollection services)
+		public static IServiceCollection AddHttpRequestInterceptor(this IServiceCollection services, HttpClientInterceptorOptions options)
 		{
 			if (services == null) throw new ArgumentNullException(nameof(services));
 
-			services.AddSingleton(new HttpClientInterceptorOptions().ThrowsOnMissingRegistration());
+			services.AddSingleton(options);
 			services.AddSingleton<IHttpMessageHandlerBuilderFilter, HttpInterceptionFilter>();
 			services.AddTransient<ITestScopeProducer>(provider =>
 				new TestScopeProducer<IDisposable>(provider.GetRequiredService<HttpClientInterceptorOptions>().BeginScope, x => x.Dispose));

README.md

@@ -31,12 +31,12 @@ public abstract class WebApplicationTests : XunitWebApplicationTests<Startup> //
         }));
         factory.AfterConfigureServices(services =>
         {
-            services.AddHttpRequestInterceptor();
+            services.AddHttpRequestInterceptor(InterceptHttp);
             services.ReplaceLoggerFactoryWithXUnit(testOutputHelper);
         });
     }
 
-    public HttpClientInterceptorOptions Interceptor => App.Services.GetRequiredService<HttpClientInterceptorOptions>();
+    protected HttpClientInterceptorOptions InterceptHttp { get; } = new HttpClientInterceptorOptions().ThrowsOnMissingRegistration();
 }
 ```
 And then add further customization in a test class: