Add StreamableHttpHandler and WithHttpTransport (#291)

* Simplify ModelContextProtocol.AspNetCore README

* Add StreamableHttpHandler

* Use "docker info" in CheckIsDockerAvailable

* Call WithHttpTransport in samples, tests and README

* Cleanup test namespaces

* Add CanConnect_WithMcpClient_AfterCustomizingRoute test

* Simplify relative URI handling

* Handle request made directly to the MapMcp route pattern

* Add Messages_FromNewUser_AreRejected test

* Fix README

* Shorten UserIdClaim ValueTuple names

* Remove MaxReconnectAttempts and ReconnectDelay from SseClientTransportOptions

- Add proper AdditionalHeaders support

tests/ModelContextProtocol.Tests/EverythingSseServerFixture.cs

@@ -65,7 +65,8 @@ public class EverythingSseServerFixture : IAsyncDisposable
             ProcessStartInfo processStartInfo = new()
             {
                 FileName = "docker",
-                Arguments = "--version",
+                // "docker info" returns a non-zero exit code if docker engine is not running.
+                Arguments = "info",
                 UseShellExecute = false,
             };
 

tests/ModelContextProtocol.Tests/Transport/SseClientTransportTests.cs

@@ -17,8 +17,6 @@ public class SseClientTransportTests : LoggedTest
         {
             Endpoint = new Uri("http://localhost:8080"),
             ConnectionTimeout = TimeSpan.FromSeconds(2),
-            MaxReconnectAttempts = 3,
-            ReconnectDelay = TimeSpan.FromMilliseconds(50),
             Name = "Test Server",
             AdditionalHeaders = new Dictionary<string, string>
             {
@@ -76,15 +74,12 @@ public class SseClientTransportTests : LoggedTest
         mockHttpHandler.RequestHandler = (request) =>
         {
             retries++;
-            throw new InvalidOperationException("Test exception");
+            throw new Exception("Test exception");
         };
 
-        var action = async () => await transport.ConnectAsync();
-
-        var exception = await Assert.ThrowsAsync<McpTransportException>(action);
-        Assert.Equal("Exceeded reconnect limit", exception.Message);
-
-        Assert.Equal(_transportOptions.MaxReconnectAttempts, retries);
+        var exception = await Assert.ThrowsAsync<Exception>(() => transport.ConnectAsync(TestContext.Current.CancellationToken));
+        Assert.Equal("Test exception", exception.Message);
+        Assert.Equal(1, retries);
     }
 
     [Fact]

tests/ModelContextProtocol.Tests/Utils/LoggedTest.cs

@@ -1,5 +1,4 @@
 using Microsoft.Extensions.Logging;
-using ModelContextProtocol.Test.Utils;
 
 namespace ModelContextProtocol.Tests.Utils;
 

tests/ModelContextProtocol.Tests/Utils/XunitLoggerProvider.cs

@@ -2,7 +2,7 @@
 using System.Text;
 using Microsoft.Extensions.Logging;
 
-namespace ModelContextProtocol.Test.Utils;
+namespace ModelContextProtocol.Tests.Utils;
 
 public class XunitLoggerProvider(ITestOutputHelper output) : ILoggerProvider
 {