developer
77b9587fa6
- McpToolsTests: 33 tests covering tool registration, enum validation, state transitions, auth resolution (JWT, API key, X-Agent-Id), create/read/update/activity/handoff workflows via McpToolsFixture - McpServerConfigurationTests: 5 tests verifying MCP server DI registration, tool type attribute, MapMcp endpoint wiring, service extensions, and NuGet package reference
86 lines
3.4 KiB
C#
86 lines
3.4 KiB
C#
using Microsoft.Extensions.DependencyInjection;
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using ModelContextProtocol.Server;
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using Nexus.Api.Services;
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using Xunit;
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namespace Nexus.Api.Tests;
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/// <summary>
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/// Verifies that the MCP server configuration is correct:
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/// all tools are registered, the streamable-http transport is configured
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/// via the service extensions, and MapMcp is called in Program.cs.
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/// </summary>
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public sealed class McpServerConfigurationTests
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{
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[Fact]
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public void McpServer_CanBeRegistered_WithoutError()
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{
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var services = new ServiceCollection();
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services.AddLogging();
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services.AddOptions();
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services.AddHttpContextAccessor();
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// Simulate what AddNexusApplicationServices does
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services.AddMcpServer()
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.WithHttpTransport(options => options.Stateless = true)
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.WithTools<NexusMcpTools>();
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// Build the container — this should not throw
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var provider = services.BuildServiceProvider();
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// Verify the ToolType is properly decorated
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var attr = typeof(NexusMcpTools).GetCustomAttributes(
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typeof(McpServerToolTypeAttribute), inherit: false);
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Assert.Single(attr);
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}
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[Fact]
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public void McpServer_ToolTypeAttribute_IsPresent()
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{
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var attr = typeof(NexusMcpTools).GetCustomAttributes(
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typeof(McpServerToolTypeAttribute), inherit: false);
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Assert.Single(attr);
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}
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[Fact]
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public void McpEndpoint_MapMcp_IsCalledInProgram()
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{
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// Source path relative to the test output directory
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var programPath = ResolveSourcePath("backend", "Program.cs");
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Assert.True(File.Exists(programPath), $"Program.cs not found at {programPath}");
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var source = File.ReadAllText(programPath);
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Assert.Contains("MapMcp", source, StringComparison.Ordinal);
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}
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[Fact]
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public void McpServerRegistration_IsCalledInServiceExtensions()
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{
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var extPath = ResolveSourcePath("backend", "Extensions", "ServiceCollectionExtensions.cs");
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Assert.True(File.Exists(extPath), $"ServiceCollectionExtensions.cs not found at {extPath}");
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var source = File.ReadAllText(extPath);
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Assert.Contains("AddMcpServer", source, StringComparison.Ordinal);
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Assert.Contains("WithHttpTransport", source, StringComparison.Ordinal);
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Assert.Contains("Stateless", source, StringComparison.Ordinal);
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Assert.Contains("WithTools<NexusMcpTools>", source, StringComparison.Ordinal);
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}
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[Fact]
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public void NuGetPackage_ModelContextProtocol_AspNetCore_IsReferenced()
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{
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var csprojPath = ResolveSourcePath("backend", "Nexus.Api.csproj");
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Assert.True(File.Exists(csprojPath), $"Nexus.Api.csproj not found at {csprojPath}");
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var source = File.ReadAllText(csprojPath);
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Assert.Contains("ModelContextProtocol.AspNetCore", source, StringComparison.Ordinal);
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}
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private static string ResolveSourcePath(params string[] segments)
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{
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// Navigate from test output directory to the repo root
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// Test DLL is at: backend-tests/bin/Debug/net10.0/Nexus.Api.Tests.dll
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// We go up 4 levels (net10.0 → Debug → bin → backend-tests) to reach repo root
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var baseDir = AppContext.BaseDirectory;
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var repoRoot = Path.GetFullPath(Path.Combine(baseDir, "..", "..", "..", ".."));
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return Path.Combine(new[] { repoRoot }.Concat(segments).ToArray());
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}
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}
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