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98 lines
3.5 KiB
Python
98 lines
3.5 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""Test MCP app imports and tool/prompt registration."""
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import asyncio
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def _run(coro):
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"""Run an async coroutine synchronously."""
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return asyncio.run(coro)
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def test_mcp_app_imports_successfully():
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"""Test that the MCP app can be imported without errors."""
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from superset.mcp_service.app import mcp
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assert mcp is not None
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tools = _run(mcp.list_tools())
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tool_names = [t.name for t in tools]
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assert len(tool_names) > 0
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assert "health_check" in tool_names
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assert "list_charts" in tool_names
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def test_mcp_prompts_registered():
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"""Test that MCP prompts are registered."""
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from superset.mcp_service.app import mcp
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prompts = _run(mcp.list_prompts())
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assert len(prompts) > 0
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def test_mcp_resources_registered():
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"""Test that MCP resources are registered.
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Resources are registered via @mcp.resource() decorators in resource files.
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They require __init__.py in parent packages for find_packages() to include
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them in distributions. This test ensures all expected resources are found.
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"""
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from superset.mcp_service.app import mcp
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resources = _run(mcp.list_resources())
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assert len(resources) > 0, "No MCP resources registered"
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resource_uris = {str(r.uri) for r in resources}
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assert "chart://configs" in resource_uris, (
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"chart://configs resource not registered - "
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"check superset/mcp_service/chart/__init__.py exists"
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)
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assert "instance://metadata" in resource_uris, (
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"instance://metadata resource not registered - "
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"check superset/mcp_service/system/resources/ imports"
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)
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def test_mcp_packages_discoverable_by_setuptools():
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"""Test that all MCP sub-packages have __init__.py for setuptools.
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setuptools.find_packages() only discovers directories with __init__.py.
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Without __init__.py, sub-packages (tool, resources, prompts) are excluded
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from built distributions, causing missing module errors in deployments.
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"""
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from pathlib import Path
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mcp_root = Path(__file__).parents[3] / "superset" / "mcp_service"
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assert mcp_root.is_dir(), f"MCP service root not found: {mcp_root}"
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# All immediate sub-directories that contain Python files should be packages
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missing = []
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for subdir in sorted(mcp_root.iterdir()):
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if not subdir.is_dir() or subdir.name.startswith(("_", ".")):
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continue
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# Check if it has any .py files in it or its subdirectories
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has_py = any(subdir.rglob("*.py"))
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if has_py and not (subdir / "__init__.py").exists():
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missing.append(subdir.name)
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assert not missing, (
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f"MCP sub-packages missing __init__.py (will be excluded from "
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f"setuptools distributions): {missing}"
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)
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