Fix ruff errors and warnings in hello_world service

1 files changed, 65 insertions, 0 deletions

diff --git a/servers/hello_world/tests/test_handlers.py b/servers/hello_world/tests/test_handlers.py
new file mode 100644
index 0000000..0c0a45d
--- /dev/null
+++ b/servers/hello_world/tests/test_handlers.py
@@ -0,0 +1,65 @@
+import pytest
+import asyncio
+import sys
+from unittest.mock import AsyncMock, MagicMock, patch
+from pydantic import AnyUrl
+import mcp.types as types
+from mcp_server_hello_world.server import HelloWorldServer, create_server
+
+class TestHandlers:
+    """Test the MCP server handlers."""
+    
+    @pytest.mark.asyncio
+    async def test_resource_handler(self):
+        """Test the resource handler."""
+        # Create a server
+        mcp = create_server()
+        
+        # Get the resource URI
+        uri = "hello://welcome"
+        
+        # Call the resource handler
+        result = await mcp.read_resource(uri)
+        
+        # Verify the result
+        assert len(result) == 1
+        assert result[0].content == "Welcome to the Hello World MCP Server! This is a simple static resource."
+    
+    @pytest.mark.asyncio
+    async def test_tool_handler(self):
+        """Test the tool handler."""
+        # Create a server
+        mcp = create_server()
+        
+        # Call the tool handler
+        result = await mcp.call_tool("hello", {"name": "Test User"})
+        
+        # Verify the result
+        assert len(result) == 1
+        assert result[0].text == "Hello, Test User! Welcome to the Hello World MCP Server."
+        
+        # Test with missing name argument
+        with pytest.raises(Exception) as excinfo:
+            await mcp.call_tool("hello", {})
+        assert "Error executing tool hello" in str(excinfo.value)
+        assert "Field required" in str(excinfo.value)
+        
+        # Test with unknown tool
+        with pytest.raises(Exception) as excinfo:
+            await mcp.call_tool("unknown", {})
+        assert "Unknown tool: unknown" in str(excinfo.value)
+    
+    @pytest.mark.asyncio
+    async def test_prompt_handler(self):
+        """Test the prompt handler."""
+        # Create a server
+        mcp = create_server()
+        
+        # Call the prompt handler
+        result = await mcp.get_prompt("greeting", {"name": "Test User"})
+        
+        # Verify the result
+        assert len(result.messages) > 0
+        assert result.messages[0].role == "user"
+        assert result.messages[0].content.type == "text"
+        assert "Hello there! You've chosen to use the greeting prompt with the name: Test User." in result.messages[0].content.text