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Add serialization roundtrip tests for all Protocol namespace types (#1289)

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Copilot 2026-02-17 12:34:49 -08:00 • committed by GitHub
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69
tests/ModelContextProtocol.Tests/Protocol/InitializeResultTests.cs Normal file
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using ModelContextProtocol.Protocol;
using System.Text.Json;
using System.Text.Json.Nodes;
namespace ModelContextProtocol.Tests.Protocol;
public static class InitializeResultTests
{
[Fact]
public static void InitializeResult_SerializationRoundTrip_PreservesAllProperties()
{
var original = new InitializeResult
{
ProtocolVersion = "2024-11-05",
Capabilities = new ServerCapabilities
{
Tools = new ToolsCapability { ListChanged = true },
Logging = new LoggingCapability()
},
ServerInfo = new Implementation
{
Name = "test-server",
Version = "2.0.0"
},
Instructions = "Use this server for testing",
Meta = new JsonObject { ["key"] = "value" }
};
string json = JsonSerializer.Serialize(original, McpJsonUtilities.DefaultOptions);
var deserialized = JsonSerializer.Deserialize<InitializeResult>(json, McpJsonUtilities.DefaultOptions);
Assert.NotNull(deserialized);
Assert.Equal("2024-11-05", deserialized.ProtocolVersion);
Assert.NotNull(deserialized.Capabilities);
Assert.NotNull(deserialized.Capabilities.Tools);
Assert.True(deserialized.Capabilities.Tools.ListChanged);
Assert.NotNull(deserialized.Capabilities.Logging);
Assert.Equal("test-server", deserialized.ServerInfo.Name);
Assert.Equal("2.0.0", deserialized.ServerInfo.Version);
Assert.Equal("Use this server for testing", deserialized.Instructions);
Assert.NotNull(deserialized.Meta);
Assert.Equal("value", (string)deserialized.Meta["key"]!);
}
[Fact]
public static void InitializeResult_SerializationRoundTrip_WithMinimalProperties()
{
var original = new InitializeResult
{
ProtocolVersion = "2024-11-05",
Capabilities = new ServerCapabilities(),
ServerInfo = new Implementation
{
Name = "minimal-server",
Version = "1.0.0"
}
};
string json = JsonSerializer.Serialize(original, McpJsonUtilities.DefaultOptions);
var deserialized = JsonSerializer.Deserialize<InitializeResult>(json, McpJsonUtilities.DefaultOptions);
Assert.NotNull(deserialized);
Assert.Equal("2024-11-05", deserialized.ProtocolVersion);
Assert.NotNull(deserialized.Capabilities);
Assert.Equal("minimal-server", deserialized.ServerInfo.Name);
Assert.Null(deserialized.Instructions);
Assert.Null(deserialized.Meta);
}
}