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Follow-ups to #1610: de-draft 2026-07-28 terminology, renumber error codes, ProtocolVersion floor (#1671)

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Stephen Halter 2026-06-25 14:07:52 -07:00 • committed by GitHub
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15
tests/ModelContextProtocol.AspNetCore.Tests/MrtrProtocolTests.cs
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@ -13,10 +13,10 @@ using System.Text.Json.Serialization.Metadata;
namespace ModelContextProtocol.AspNetCore.Tests;
/// <summary>
/// Protocol-level tests for Multi Round-Trip Requests (MRTR) over the draft revision.
/// Under the draft protocol (SEP-2575 + SEP-2567) Streamable HTTP is sessionless, so these tests
/// drive the default <see cref="ModelContextProtocol.AspNetCore.HttpServerTransportOptions.Stateless"/> server with raw, sessionless
/// draft JSON-RPC requests (no <c>initialize</c>, no <c>Mcp-Session-Id</c>) and verify the explicit
/// Protocol-level tests for Multi Round-Trip Requests (MRTR) over the 2026-07-28 protocol revision.
/// Under that revision (SEP-2575 + SEP-2567) Streamable HTTP no longer supports sessions, so these tests
/// drive the default <see cref="ModelContextProtocol.AspNetCore.HttpServerTransportOptions.Stateless"/> server with raw
/// JSON-RPC requests (no <c>initialize</c>, no <c>Mcp-Session-Id</c>) and verify the explicit
/// MRTR <see cref="InputRequiredResult"/> structure, retry with inputResponses, and error handling.
/// Stateful-session MRTR behaviors (implicit handler suspension, disposal cancellation) are covered
/// over stdio by <c>MrtrHandlerLifecycleTests</c>, and unknown-session rejection by
@ -24,7 +24,6 @@ namespace ModelContextProtocol.AspNetCore.Tests;
/// </summary>
public class MrtrProtocolTests(ITestOutputHelper outputHelper) : KestrelInMemoryTest(outputHelper), IAsyncDisposable
{
private const string DraftVersion = McpHttpHeaders.DraftProtocolVersion;
private WebApplication? _app;
@ -143,12 +142,12 @@ public class MrtrProtocolTests(ITestOutputHelper outputHelper) : KestrelInMemory
_app.MapMcp();
await _app.StartAsync(TestContext.Current.CancellationToken);
// Drive the server with sessionless draft requests: every request carries the draft
// Drive the server with raw requests: every request carries the 2026-07-28 protocol
// MCP-Protocol-Version header and (via PostJsonRpcAsync) the SEP-2243 Mcp-Method/Mcp-Name
// headers. No initialize handshake and no Mcp-Session-Id.
HttpClient.DefaultRequestHeaders.Accept.Add(new("application/json"));
HttpClient.DefaultRequestHeaders.Accept.Add(new("text/event-stream"));
HttpClient.DefaultRequestHeaders.Add("MCP-Protocol-Version", DraftVersion);
HttpClient.DefaultRequestHeaders.Add("MCP-Protocol-Version", McpHttpHeaders.July2026ProtocolVersion);
}
public async ValueTask DisposeAsync()
@ -303,7 +302,7 @@ public class MrtrProtocolTests(ITestOutputHelper outputHelper) : KestrelInMemory
HttpClient.DefaultRequestHeaders.Accept.Add(new("application/json"));
HttpClient.DefaultRequestHeaders.Accept.Add(new("text/event-stream"));
// Initialize with the current (non-draft) protocol so the server's backcompat resolver runs.
// Initialize with the current legacy protocol so the server's backcompat resolver runs.
var initJson = """
{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-11-25","capabilities":{"roots":{}},"clientInfo":{"name":"BackcompatTestClient","version":"1.0.0"}}}
""";