Fix tests

Author: TomProkop

src/TALXIS.CLI.MCP/Program.cs

@@ -7,16 +7,18 @@
 using TALXIS.CLI.MCP;
 using System.Reflection;
 
-var builder = new HostApplicationBuilder(args);
-builder.Logging.AddConsole(consoleLogOptions =>
-{
-    // Configure all logs to go to stderr
-    consoleLogOptions.LogToStandardErrorThreshold = LogLevel.Trace;
-});
-
 // Create a single instance of McpToolRegistry
 var mcpToolRegistry = new McpToolRegistry();
 
+try
+{
+    var builder = new HostApplicationBuilder(args);
+    builder.Logging.AddConsole(consoleLogOptions =>
+    {
+        // Configure all logs to go to stderr
+        consoleLogOptions.LogToStandardErrorThreshold = LogLevel.Trace;
+    });
+
 builder.Services.AddMcpServer(options =>
 {
     var version = typeof(Program).Assembly.GetName().Version?.ToString() ?? "unknown";
@@ -35,13 +37,16 @@
             CallToolHandler = CallToolAsync
         }
     };
-})
-.WithStdioServerTransport();
+    })
+    .WithStdioServerTransport();
 
-
-await builder.Build().RunAsync();
-
-// MCP tool listing
+    await builder.Build().RunAsync();
+}
+catch (Exception ex)
+{
+    Console.Error.WriteLine($"Fatal error starting MCP server: {ex}");
+    Environment.Exit(1);
+}// MCP tool listing
 ValueTask<ListToolsResult> ListToolsAsync(RequestContext<ListToolsRequestParams> ctx, CancellationToken ct)
     => ValueTask.FromResult(new ListToolsResult { Tools = mcpToolRegistry.ListTools() });
 

tests/TALXIS.CLI.IntegrationTests/McpClient.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Threading;
 using System.Threading.Tasks;
 using ModelContextProtocol.Client;
@@ -24,15 +25,27 @@ private McpClient(IMcpClient client)
 
     private static async Task<McpClient> CreateInstanceAsync()
     {
+        var mcpProjectPath = GetMcpProjectPath();
+        
+        // Build the MCP project first to ensure it's available
+        await BuildMcpProjectAsync(mcpProjectPath);
+        
         var transport = new StdioClientTransport(new StdioClientTransportOptions
         {
             Name = "TALXIS CLI MCP Test Client",
             Command = "dotnet",
-            Arguments = ["run", "--project", GetMcpProjectPath(), "--no-build"]
+            Arguments = ["run", "--project", mcpProjectPath]
         });
 
-        var client = await McpClientFactory.CreateAsync(transport);
-        return new McpClient(client);
+        try
+        {
+            var client = await McpClientFactory.CreateAsync(transport);
+            return new McpClient(client);
+        }
+        catch (Exception ex)
+        {
+            throw new InvalidOperationException($"Failed to create MCP client. This might be due to server startup issues. Error: {ex.Message}", ex);
+        }
     }
 
     public async Task<CallToolResult> CallToolAsync(string toolName, Dictionary<string, object> arguments = null)
@@ -66,4 +79,34 @@ private static string GetMcpProjectPath()
 
         return System.IO.Path.Combine(dir.FullName, "src", "TALXIS.CLI.MCP", "TALXIS.CLI.MCP.csproj");
     }
+
+    /// <summary>
+    /// Builds the MCP project to ensure it's available for testing.
+    /// This is especially important in CI environments where --no-build might not work reliably.
+    /// </summary>
+    private static async Task BuildMcpProjectAsync(string projectPath)
+    {
+        var processInfo = new ProcessStartInfo
+        {
+            FileName = "dotnet",
+            Arguments = $"build \"{projectPath}\" --configuration Release",
+            UseShellExecute = false,
+            RedirectStandardOutput = true,
+            RedirectStandardError = true,
+            CreateNoWindow = true
+        };
+
+        using var process = Process.Start(processInfo);
+        if (process == null)
+            throw new InvalidOperationException("Failed to start dotnet build process");
+
+        await process.WaitForExitAsync();
+        
+        if (process.ExitCode != 0)
+        {
+            var stdout = await process.StandardOutput.ReadToEndAsync();
+            var stderr = await process.StandardError.ReadToEndAsync();
+            throw new InvalidOperationException($"Failed to build MCP project. Exit code: {process.ExitCode}. Output: {stdout}. Error: {stderr}");
+        }
+    }
 }