import sys
import pathlib
import asyncio
import types
import pytest
ROOT = pathlib.Path(__file__).resolve().parents[1]
SRC = ROOT / "MCPForUnity" / "UnityMcpServer~" / "src"
sys.path.insert(0, str(SRC))
# Stub mcp.server.fastmcp to satisfy imports without full package
mcp_pkg = types.ModuleType("mcp")
server_pkg = types.ModuleType("mcp.server")
fastmcp_pkg = types.ModuleType("mcp.server.fastmcp")
class _Dummy:
pass
fastmcp_pkg.FastMCP = _Dummy
fastmcp_pkg.Context = _Dummy
server_pkg.fastmcp = fastmcp_pkg
mcp_pkg.server = server_pkg
sys.modules.setdefault("mcp", mcp_pkg)
sys.modules.setdefault("mcp.server", server_pkg)
sys.modules.setdefault("mcp.server.fastmcp", fastmcp_pkg)
class DummyMCP:
def __init__(self):
self.tools = {}
def tool(self, *args, **kwargs):
def deco(fn):
self.tools[fn.__name__] = fn
return fn
return deco
from tests.test_helpers import DummyContext
@pytest.fixture()
def resource_tools():
mcp = DummyMCP()
# Import the tools module to trigger decorator registration
import tools.resource_tools
# Get the registered tools from the registry
from registry import get_registered_tools
tools = get_registered_tools()
# Add all resource-related tools to our dummy MCP
for tool_info in tools:
tool_name = tool_info['name']
if any(keyword in tool_name for keyword in ['find_in_file', 'list_resources', 'read_resource']):
mcp.tools[tool_name] = tool_info['func']
return mcp.tools
def test_read_resource_minimal_metadata_only(resource_tools, tmp_path):
proj = tmp_path
assets = proj / "Assets"
assets.mkdir()
f = assets / "A.txt"
content = "hello world"
f.write_text(content, encoding="utf-8")
read_resource = resource_tools["read_resource"]
loop = asyncio.new_event_loop()
try:
resp = loop.run_until_complete(
read_resource(uri="unity://path/Assets/A.txt",
ctx=DummyContext(), project_root=str(proj))
)
finally:
loop.close()
assert resp["success"] is True
data = resp["data"]
assert "text" not in data
meta = data["metadata"]
assert "sha256" in meta and len(meta["sha256"]) == 64
assert meta["lengthBytes"] == len(content.encode("utf-8"))
