67 lines
2.6 KiB
C#
67 lines
2.6 KiB
C#
using ModelContextProtocol.Protocol;
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using System.Text.Json;
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namespace ModelContextProtocol.Tests.Protocol;
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/// <summary>
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/// Serialization tests for the error data payloads introduced by the 2026-07-28 protocol revision (SEP-2575).
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/// </summary>
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public static class July2026ProtocolErrorDataTests
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{
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[Fact]
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public static void UnsupportedProtocolVersionErrorData_SerializationRoundTrip_PreservesAllProperties()
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{
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var original = new UnsupportedProtocolVersionErrorData
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{
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Supported = new List<string> { "2024-11-05", "2025-03-26", "2025-06-18", "2025-11-25" },
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Requested = "2026-07-28",
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};
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var json = JsonSerializer.Serialize(original, McpJsonUtilities.DefaultOptions);
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var deserialized = JsonSerializer.Deserialize<UnsupportedProtocolVersionErrorData>(json, McpJsonUtilities.DefaultOptions);
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Assert.NotNull(deserialized);
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Assert.Equal(4, deserialized.Supported.Count);
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Assert.Contains("2025-11-25", deserialized.Supported);
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Assert.Equal("2026-07-28", deserialized.Requested);
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}
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[Fact]
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public static void MissingRequiredClientCapabilityErrorData_SerializationRoundTrip_PreservesAllProperties()
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{
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var original = new MissingRequiredClientCapabilityErrorData
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{
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RequiredCapabilities = new ClientCapabilities
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{
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Sampling = new SamplingCapability(),
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},
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};
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var json = JsonSerializer.Serialize(original, McpJsonUtilities.DefaultOptions);
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var deserialized = JsonSerializer.Deserialize<MissingRequiredClientCapabilityErrorData>(json, McpJsonUtilities.DefaultOptions);
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Assert.NotNull(deserialized);
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Assert.NotNull(deserialized.RequiredCapabilities.Sampling);
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}
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[Fact]
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public static void UnsupportedProtocolVersionException_ExposesRequestedAndSupported()
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{
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var ex = new UnsupportedProtocolVersionException("2099-12-31", ["2025-11-25", "2025-06-18"]);
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Assert.Equal(McpErrorCode.UnsupportedProtocolVersion, ex.ErrorCode);
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Assert.Equal("2099-12-31", ex.Requested);
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Assert.Equal(2, ex.Supported.Count);
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Assert.Contains("2025-11-25", ex.Supported);
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}
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[Fact]
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public static void MissingRequiredClientCapabilityException_ExposesRequiredCapabilities()
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{
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var caps = new ClientCapabilities { Roots = new RootsCapability() };
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var ex = new MissingRequiredClientCapabilityException(caps);
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Assert.Equal(McpErrorCode.MissingRequiredClientCapability, ex.ErrorCode);
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Assert.Same(caps, ex.RequiredCapabilities);
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}
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}
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