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Default draft protocol support: sessionless + handshake-less (SEP-2575 + SEP-2567) (#1610)

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Stephen Halter 2026-06-23 21:24:22 -07:00 • committed by GitHub
commit 6c323e783b
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1 changed files with 5704 additions and 712 deletions
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14
tests/ModelContextProtocol.Tests/Configuration/McpServerResourceRoutingTests.cs
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@ -58,7 +58,11 @@ public sealed class McpServerResourceRoutingTests(ITestOutputHelper testOutputHe
}
/// <summary>
/// Asserts that the given URI does NOT match the template.
/// Asserts that the given URI does NOT match the template. Uses the default client, which
/// negotiates the draft protocol revision, so the unknown-resource response carries the
/// standard JSON-RPC <see cref="McpErrorCode.InvalidParams"/> (-32602). The version-gated
/// legacy mapping to <see cref="McpErrorCode.ResourceNotFound"/> (-32002) is covered by
/// <see cref="ResourceNotFound_ErrorCode_IsVersionGated"/>.
/// </summary>
private async Task AssertNoMatchAsync(
string uriTemplate,
@ -71,7 +75,7 @@ public sealed class McpServerResourceRoutingTests(ITestOutputHelper testOutputHe
var ex = await Assert.ThrowsAsync<McpProtocolException>(async () =>
await client.ReadResourceAsync(uri, null, TestContext.Current.CancellationToken));
Assert.Equal(McpErrorCode.ResourceNotFound, ex.ErrorCode);
Assert.Equal(McpErrorCode.InvalidParams, ex.ErrorCode);
}
// Unknown-resource-URI responses are version-gated: older clients keep the legacy
@ -79,7 +83,7 @@ public sealed class McpServerResourceRoutingTests(ITestOutputHelper testOutputHe
// moves to the standard JSON-RPC code see -32602 (McpErrorCode.InvalidParams).
[Theory]
[InlineData("2025-11-25", McpErrorCode.ResourceNotFound)]
[InlineData("DRAFT-2026-v1", McpErrorCode.InvalidParams)]
[InlineData("2026-07-28", McpErrorCode.InvalidParams)]
public async Task ResourceNotFound_ErrorCode_IsVersionGated(string serverProtocolVersion, McpErrorCode expectedCode)
{
var resource = McpServerResource.Create(
@ -130,7 +134,9 @@ public sealed class McpServerResourceRoutingTests(ITestOutputHelper testOutputHe
// Literal template braces in URI should not match (template literal is not a valid URI)
var mcpEx = await Assert.ThrowsAsync<McpProtocolException>(async () => await client.ReadResourceAsync("test://params{?a1,a2,a3}", null, TestContext.Current.CancellationToken));
Assert.Equal(McpErrorCode.ResourceNotFound, mcpEx.ErrorCode);
// Draft maps an unmatched resource URI to InvalidParams (-32602); the legacy -32002 ResourceNotFound
// mapping is covered by the version-gated ResourceNotFound_ErrorCode_IsVersionGated theory.
Assert.Equal(McpErrorCode.InvalidParams, mcpEx.ErrorCode);
Assert.Equal("Request failed (remote): Unknown resource URI: 'test://params{?a1,a2,a3}'", mcpEx.Message);
}