Files
crewAI/tests/tools/test_mcp_connector.py
2025-04-27 16:35:56 +00:00

94 lines
3.3 KiB
Python

import json
import unittest
from unittest.mock import MagicMock, patch
import pytest
from crewai.tools import BaseTool, Tool
from crewai.tools.mcp_connector import MCPToolConnector
class TestMCPToolConnector(unittest.TestCase):
def setUp(self):
self.mock_tool = MagicMock(spec=BaseTool)
self.mock_tool.name = "test_tool"
self.mock_tool.description = "A test tool"
self.mock_tool.args_schema = MagicMock()
self.mock_tool.args_schema.model_json_schema.return_value = {
"properties": {"input": {"type": "string"}}
}
self.mock_tool.run.return_value = "Tool result"
self.connector = MCPToolConnector(tools=[self.mock_tool])
@patch("crewai.cli.authentication.utils.TokenManager.get_access_token")
@patch("crewai.tools.mcp_connector.SSEClient")
def test_connect_success(self, mock_sse_client, mock_get_token):
mock_get_token.return_value = "test-token"
mock_sse = MagicMock()
mock_sse_client.return_value = mock_sse
self.connector.connect()
mock_get_token.assert_called_once()
mock_sse_client.assert_called_once_with(
base_url="https://app.crewai.com",
endpoint="/api/v1/tools/events",
headers={
"Authorization": "Bearer test-token",
"Accept": "text/event-stream",
"Cache-Control": "no-cache",
"X-Requested-With": "XMLHttpRequest",
},
timeout=30
)
mock_sse.connect.assert_called_once()
@patch("crewai.cli.authentication.utils.TokenManager.get_access_token")
def test_connect_no_token(self, mock_get_token):
mock_get_token.return_value = None
with pytest.raises(ValueError, match="Authentication token not found"):
self.connector.connect()
@patch("crewai.cli.authentication.utils.TokenManager.get_access_token")
@patch("crewai.tools.mcp_connector.SSEClient")
def test_listen(self, mock_sse_client, mock_get_token):
mock_get_token.return_value = "test-token"
mock_sse = MagicMock()
mock_sse_client.return_value = mock_sse
self.connector._sse_client = mock_sse
self.connector.listen()
mock_sse.listen.assert_called_once()
handlers = mock_sse.listen.call_args[0][0]
assert "tool_request" in handlers
assert "connection_closed" in handlers
@patch("crewai.cli.authentication.utils.TokenManager.get_access_token")
@patch("crewai.tools.mcp_connector.SSEClient")
def test_handle_tool_request(self, mock_sse_client, mock_get_token):
mock_get_token.return_value = "test-token"
test_data = {
"tool_name": "test_tool",
"arguments": {"input": "test input"},
"request_id": "123"
}
self.connector._handle_tool_request(test_data)
self.mock_tool.run.assert_called_once_with(input="test input")
def test_handle_tool_request_not_found(self):
test_data = {
"tool_name": "non_existent_tool",
"arguments": {"input": "test input"},
"request_id": "123"
}
self.connector._handle_tool_request(test_data)
self.mock_tool.run.assert_not_called()