IMAP MCP Server

"""Tests for MCP tools implementation.""" import json import pytest from unittest.mock import AsyncMock, MagicMock, patch from mcp.server.fastmcp import FastMCP from mcp.server.types import Context from imap_mcp.imap_client import ImapClient from imap_mcp.models import Email, EmailAddress from imap_mcp.tools import register_tools class TestTools: """Test class for MCP tools.""" @pytest.fixture def mock_client(self): """Create a mock IMAP client.""" client = MagicMock(spec=ImapClient) return client @pytest.fixture def mock_mcp(self): """Create a mock MCP server.""" mcp = MagicMock(spec=FastMCP) # Configure the tool decorator to pass through the decorated function mcp.tool = lambda: lambda f: f return mcp @pytest.fixture def mock_context(self, mock_client): """Create a mock MCP context with client.""" context = MagicMock(spec=Context) context.get.return_value = mock_client return context @pytest.fixture def register_mock_tools(self, mock_mcp, mock_client): """Register tools with mock MCP and client.""" # Register tools with mock MCP and client register_tools(mock_mcp, mock_client) # Extract the registered tools (they should be accessible through mock_mcp.register.calls) registered_tools = {} for call in mock_mcp.tool.mock_calls: if len(call.args) > 0 and callable(call.args[0]): registered_tools[call.args[0].__name__] = call.args[0] return registered_tools async def test_move_email(self, mock_client, mock_context): """Test moving an email from one folder to another.""" # Configure the mock client mock_client.move_email.return_value = True # Register tools mcp = MagicMock(spec=FastMCP) mcp.tool = lambda: lambda f: f register_tools(mcp, mock_client) # Get the move_email function move_email = None for name, mock_call in mcp.tool.mock_calls: if hasattr(mock_call, "args") and len(mock_call.args) > 0: if callable(mock_call.args[0]) and mock_call.args[0].__name__ == "move_email": move_email = mock_call.args[0] break assert move_email is not None, "move_email tool was not registered" # Call the move_email function result = await move_email("inbox", 123, "archive", mock_context) # Check the client was called correctly mock_client.move_email.assert_called_once_with(123, "inbox", "archive") # Check the result assert "Email moved" in result async def test_mark_as_read(self, mock_client, mock_context): """Test marking an email as read.""" # Test will be implemented here pass async def test_mark_as_unread(self, mock_client, mock_context): """Test marking an email as unread.""" # Test will be implemented here pass async def test_flag_email(self, mock_client, mock_context): """Test flagging an email.""" # Test will be implemented here pass async def test_delete_email(self, mock_client, mock_context): """Test deleting an email.""" # Test will be implemented here pass async def test_search_emails(self, mock_client, mock_context): """Test searching for emails.""" # Test will be implemented here pass async def test_process_email(self, mock_client, mock_context): """Test processing an email with multiple actions.""" # Test will be implemented here pass async def test_tool_error_handling(self, mock_client, mock_context): """Test error handling in tools.""" # Test will be implemented here pass async def test_tool_parameter_validation(self, mock_client, mock_context): """Test parameter validation in tools.""" # Test will be implemented here pass