87 lines
3.6 KiB
C#
87 lines
3.6 KiB
C#
using ModelContextProtocol.Protocol;
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using System.Text;
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using System.Text.Json;
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using System.Text.Json.Nodes;
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namespace ModelContextProtocol.Tests.Protocol;
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public static class CallToolResultTests
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{
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[Fact]
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public static void CallToolResult_SerializationRoundTrip_PreservesAllProperties()
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{
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var original = new CallToolResult
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{
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Content = [new TextContentBlock { Text = "Result text" }],
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StructuredContent = JsonElement.Parse("""{"temperature":72}"""),
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IsError = false,
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Meta = new JsonObject { ["key"] = "value" }
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};
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string json = JsonSerializer.Serialize(original, McpJsonUtilities.DefaultOptions);
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var deserialized = JsonSerializer.Deserialize<CallToolResult>(json, McpJsonUtilities.DefaultOptions);
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Assert.NotNull(deserialized);
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Assert.Single(deserialized.Content);
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var textBlock = Assert.IsType<TextContentBlock>(deserialized.Content[0]);
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Assert.Equal("Result text", textBlock.Text);
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Assert.NotNull(deserialized.StructuredContent);
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Assert.Equal(72, deserialized.StructuredContent.Value.GetProperty("temperature").GetInt32());
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Assert.False(deserialized.IsError);
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Assert.NotNull(deserialized.Meta);
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Assert.Equal("value", (string)deserialized.Meta["key"]!);
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}
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[Fact]
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public static void CallToolResult_SerializationRoundTrip_WithMinimalProperties()
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{
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var original = new CallToolResult();
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string json = JsonSerializer.Serialize(original, McpJsonUtilities.DefaultOptions);
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var deserialized = JsonSerializer.Deserialize<CallToolResult>(json, McpJsonUtilities.DefaultOptions);
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Assert.NotNull(deserialized);
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Assert.Empty(deserialized.Content);
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Assert.Null(deserialized.StructuredContent);
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Assert.Null(deserialized.IsError);
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Assert.Null(deserialized.Meta);
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}
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[Fact]
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public static void CallToolResult_SerializationRoundTrip_PreservesEmbeddedPdfResource()
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{
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byte[] pdfBytes = Encoding.ASCII.GetBytes("%PDF-1.7\n");
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var original = new CallToolResult
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{
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Content =
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[
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new EmbeddedResourceBlock
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{
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Resource = BlobResourceContents.FromBytes(
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pdfBytes,
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"file:///mypdf.pdf",
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"application/pdf")
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}
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]
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};
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string json = JsonSerializer.Serialize(original, McpJsonUtilities.DefaultOptions);
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using JsonDocument document = JsonDocument.Parse(json);
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JsonElement resourceBlock = document.RootElement.GetProperty("content")[0];
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Assert.Equal("resource", resourceBlock.GetProperty("type").GetString());
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JsonElement resource = resourceBlock.GetProperty("resource");
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Assert.Equal("file:///mypdf.pdf", resource.GetProperty("uri").GetString());
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Assert.Equal("application/pdf", resource.GetProperty("mimeType").GetString());
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Assert.Equal(Convert.ToBase64String(pdfBytes), resource.GetProperty("blob").GetString());
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var deserialized = JsonSerializer.Deserialize<CallToolResult>(json, McpJsonUtilities.DefaultOptions);
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Assert.NotNull(deserialized);
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var embeddedResource = Assert.IsType<EmbeddedResourceBlock>(Assert.Single(deserialized.Content));
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var pdfResource = Assert.IsType<BlobResourceContents>(embeddedResource.Resource);
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Assert.Equal("file:///mypdf.pdf", pdfResource.Uri);
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Assert.Equal("application/pdf", pdfResource.MimeType);
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Assert.Equal(pdfBytes, pdfResource.DecodedData.ToArray());
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}
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}
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