From 0841390713035c4c43ef8d1cfafc20405f6ad2d3 Mon Sep 17 00:00:00 2001
From: Mattias Karlsson <matkar@wcom.se>
Date: Sat, 22 Nov 2025 21:51:59 +0100
Subject: [PATCH] Refactor MockHttp to register response builder in DI
 container

- Register Routes<T>.GetResponseBuilder as singleton service
- Update CreateClient to retrieve response builder from DI instead of direct call
- Update CreateHttpMessageHandlerFactory to retrieve response builder from DI
- Improves testability and follows dependency injection patterns
---
 .../IServiceCollectionExtensions.cs                         | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Devlead.Testing.MockHttp/IServiceCollectionExtensions.cs b/src/Devlead.Testing.MockHttp/IServiceCollectionExtensions.cs
index 5d2c0fc..78e05de 100644
--- a/src/Devlead.Testing.MockHttp/IServiceCollectionExtensions.cs
+++ b/src/Devlead.Testing.MockHttp/IServiceCollectionExtensions.cs
@@ -11,9 +11,11 @@ public static IServiceCollection AddMockHttpClient<T>(
         this IServiceCollection services
         )
     {
+        services.AddSingleton(Routes<T>.GetResponseBuilder);
+
         static MockHttpClient CreateClient(IServiceProvider provider)
         {
-            var client = new MockHttpClient(Routes<T>.GetResponseBuilder(provider));
+            var client = new MockHttpClient(provider.GetRequiredService<Func<HttpRequestMessage, HttpResponseMessage>>());
             foreach(var service in provider.GetServices<ConfigureHttpClient<T>>())
             {
                 service?.Invoke(client);
@@ -22,7 +24,7 @@ static MockHttpClient CreateClient(IServiceProvider provider)
         }
 
         static MockHttpMessageHandlerFactory CreateHttpMessageHandlerFactory(IServiceProvider provider)
-            => new(Routes<T>.GetResponseBuilder(provider));
+            => new(provider.GetRequiredService<Func<HttpRequestMessage, HttpResponseMessage>>());
 
         return services
             .AddTransient<HttpClient>(provider => provider.GetRequiredService<MockHttpClient>())