import pytest
from unittest.mock import patch, MagicMock
from swagger_mcp.openapi_mcp_server import OpenAPIMCPServer
class TestPathVariables:
@pytest.fixture
def server(self):
# Define a simple OpenAPI spec with path parameters
openapi_spec = {
"openapi": "3.0.0",
"info": {
"title": "Pet API",
"version": "1.0.0"
},
"servers": [{"url": "https://api.example.com"}],
"paths": {
"/pets/{petId}/toys/{toyId}": {
"get": {
"operationId": "getPetToy",
"summary": "Get a specific toy for a pet",
"parameters": [
{
"name": "petId",
"in": "path",
"required": True,
"schema": {
"type": "integer",
"format": "int64"
}
},
{
"name": "toyId",
"in": "path",
"required": True,
"schema": {
"type": "string"
}
}
],
"responses": {
"200": {
"description": "Pet toy found"
}
}
}
}
}
}
server = OpenAPIMCPServer('Test Server', openapi_spec)
return server
@pytest.mark.asyncio
@patch('swagger_mcp.endpoint_invoker.requests.request')
async def test_path_parameter_substitution(self, mock_request, server):
# Setup mock response
mock_response = MagicMock()
mock_request.return_value = mock_response
# Get the call_tool handler
handlers = server._register_handlers()
call_tool = handlers["call_tool"]
# Call the endpoint with path parameters
await call_tool("getPetToy", {
"petId": 123,
"toyId": "ball"
})
# Verify the request was made with the correct URL
mock_request.assert_called_once()
call_args = mock_request.call_args
# Check that path parameters were correctly substituted
assert call_args[1]["url"].endswith("/pets/123/toys/ball")
