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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
commit d6b1615988
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1 changed files with 785 additions and 898 deletions
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18
tests/ModelContextProtocol.Tests/Server/Sep2106ListToolsBackCompatTests.cs
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@ -10,7 +10,7 @@ namespace ModelContextProtocol.Tests.Server;
/// <summary>
/// SEP-2106 backward-compat at the tools/list emission boundary. Clients negotiating a
/// pre-2026-06-30 protocol version must still receive the legacy
/// pre-2026-07-28 protocol version must still receive the legacy
/// <c>{"type":"object","properties":{"result":&lt;schema&gt;},"required":["result"]}</c>
/// envelope for non-object output schemas. In-memory storage stays natural; only the
/// wire emission flips on the negotiated version.
@ -18,8 +18,7 @@ namespace ModelContextProtocol.Tests.Server;
public class Sep2106ListToolsBackCompatTests : ClientServerTestBase
{
private const string LegacyProtocolVersion = "2025-11-25";
private const string DraftSep2106ProtocolVersion = "DRAFT-2026-06-v1";
private const string Sep2106ProtocolVersion = "2026-06-30";
private const string Sep2106ProtocolVersion = "2026-07-28";
public Sep2106ListToolsBackCompatTests(ITestOutputHelper testOutputHelper)
: base(testOutputHelper, startServer: false)
@ -28,7 +27,6 @@ public class Sep2106ListToolsBackCompatTests : ClientServerTestBase
[Theory]
[InlineData(LegacyProtocolVersion, true)]
[InlineData(DraftSep2106ProtocolVersion, false)]
[InlineData(Sep2106ProtocolVersion, false)]
public async Task ListTools_StringTool_WrapsOutputSchemaForLegacyClients(string serverProtocolVersion, bool expectWrapped)
{
@ -50,7 +48,6 @@ public class Sep2106ListToolsBackCompatTests : ClientServerTestBase
[Theory]
[InlineData(LegacyProtocolVersion, true)]
[InlineData(DraftSep2106ProtocolVersion, false)]
[InlineData(Sep2106ProtocolVersion, false)]
public async Task ListTools_IntegerTool_WrapsOutputSchemaForLegacyClients(string serverProtocolVersion, bool expectWrapped)
{
@ -71,7 +68,6 @@ public class Sep2106ListToolsBackCompatTests : ClientServerTestBase
[Theory]
[InlineData(LegacyProtocolVersion, true)]
[InlineData(DraftSep2106ProtocolVersion, false)]
[InlineData(Sep2106ProtocolVersion, false)]
public async Task ListTools_ArrayTool_WrapsOutputSchemaForLegacyClients(string serverProtocolVersion, bool expectWrapped)
{
@ -92,7 +88,6 @@ public class Sep2106ListToolsBackCompatTests : ClientServerTestBase
[Theory]
[InlineData(LegacyProtocolVersion)]
[InlineData(DraftSep2106ProtocolVersion)]
[InlineData(Sep2106ProtocolVersion)]
public async Task ListTools_ObjectTool_NeverWrapsOutputSchema(string serverProtocolVersion)
{
@ -110,14 +105,13 @@ public class Sep2106ListToolsBackCompatTests : ClientServerTestBase
[Theory]
[InlineData(LegacyProtocolVersion, true)]
[InlineData(DraftSep2106ProtocolVersion, false)]
[InlineData(Sep2106ProtocolVersion, false)]
public async Task ListTools_NullableObjectTool_NormalizesTypeArrayForLegacyClients(string serverProtocolVersion, bool expectNormalized)
{
// For clients on protocol versions older than 2026-06-30, type:["object","null"]
// For clients on protocol versions older than 2026-07-28, type:["object","null"]
// must be emitted as plain type:"object" (those versions accept object schemas but
// not type-arrays — and the value side stays a plain object, no envelope). SEP-2106
// clients (2026-06-30+) see the natural type-array intact per the SEP's
// not type-arrays, and the value side stays a plain object, no envelope). SEP-2106
// clients (2026-07-28+) see the natural type-array intact per the SEP's
// any-JSON-Schema-2020-12 allowance.
ConfigureServerWithTools(serverProtocolVersion);
await using var client = await CreateMcpClientForServer(new() { ProtocolVersion = serverProtocolVersion });
@ -152,7 +146,6 @@ public class Sep2106ListToolsBackCompatTests : ClientServerTestBase
[Theory]
[InlineData(LegacyProtocolVersion, true)]
[InlineData(DraftSep2106ProtocolVersion, false)]
[InlineData(Sep2106ProtocolVersion, false)]
public async Task ListTools_DuplicateTypeRefsTool_RewritesRefsWhenWrapped(string serverProtocolVersion, bool expectWrapped)
{
@ -169,7 +162,6 @@ public class Sep2106ListToolsBackCompatTests : ClientServerTestBase
[Theory]
[InlineData(LegacyProtocolVersion, true)]
[InlineData(DraftSep2106ProtocolVersion, false)]
[InlineData(Sep2106ProtocolVersion, false)]
public async Task ListTools_RecursiveTypeRefsTool_RewritesRefsWhenWrapped(string serverProtocolVersion, bool expectWrapped)
{