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superset2/tests/unit_tests/mcp_service/test_protocol_integration.py
Amin Ghadersohi 9d40fe913f update: wip
2025-07-30 14:20:37 -04:00

108 lines
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Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
"""
Protocol/integration tests for MCP service using fastmcp.Client
"""
import pytest
from fastmcp.client.client import CallToolResult
from fastmcp.exceptions import ToolError
class TestFastMCPInMemoryProtocol:
"""
In-memory protocol-level tests for the FastMCP server.
These tests require pytest-asyncio to be installed and enabled.
"""
@pytest.mark.asyncio
async def test_tool_listing(self):
from superset.mcp_service.server import init_fastmcp_server
mcp = init_fastmcp_server()
from fastmcp import Client
async with Client(mcp) as client:
tools = await client.list_tools()
tool_names = [t.name for t in tools]
expected = [
"list_dashboards", "get_dashboard_info",
"get_superset_instance_info", "get_dashboard_available_filters",
"get_dataset_available_filters", "list_datasets",
"list_charts", "get_chart_info", "get_chart_available_filters",
"get_dataset_info", "create_chart_simple"
]
for name in expected:
assert name in tool_names
@pytest.mark.asyncio
async def test_valid_list_dashboards_call(self):
from superset.mcp_service.server import init_fastmcp_server
mcp = init_fastmcp_server()
from fastmcp import Client
async with Client(mcp) as client:
result = await client.call_tool("list_dashboards", {"page": 1, "page_size": 2})
assert isinstance(result, CallToolResult)
assert hasattr(result, "data")
assert hasattr(result, "structured_content")
assert hasattr(result.data, "dashboards")
assert hasattr(result.data, "count")
@pytest.mark.asyncio
async def test_missing_required_param(self):
from superset.mcp_service.server import init_fastmcp_server
mcp = init_fastmcp_server()
from fastmcp import Client
async with Client(mcp) as client:
result = await client.call_tool("list_dashboards", {"page_size": 2})
assert isinstance(result, CallToolResult)
assert hasattr(result, "data")
assert hasattr(result, "structured_content")
assert hasattr(result.data, "dashboards")
assert hasattr(result.data, "count")
@pytest.mark.asyncio
async def test_wrong_type_param(self):
from superset.mcp_service.server import init_fastmcp_server
mcp = init_fastmcp_server()
from fastmcp import Client
async with Client(mcp) as client:
with pytest.raises(ToolError):
await client.call_tool("list_dashboards", {"page": "not_an_int", "page_size": 2})
@pytest.mark.asyncio
async def test_extra_param(self):
from superset.mcp_service.server import init_fastmcp_server
mcp = init_fastmcp_server()
from fastmcp import Client
async with Client(mcp) as client:
with pytest.raises(ToolError):
await client.call_tool("list_dashboards", {"page": 1, "page_size": 2, "unexpected": 123})
@pytest.mark.asyncio
async def test_malformed_input(self):
from superset.mcp_service.server import init_fastmcp_server
mcp = init_fastmcp_server()
from fastmcp import Client
async with Client(mcp) as client:
with pytest.raises(Exception):
await client.call_tool("list_dashboards", "this is not a dict")
@pytest.mark.asyncio
async def test_error_envelope_on_internal_error(self):
from superset.mcp_service.server import init_fastmcp_server
mcp = init_fastmcp_server()
from fastmcp import Client
async with Client(mcp) as client:
with pytest.raises(ToolError):
await client.call_tool("not_a_real_tool", {})