feat: implement auth infrastructure and first two FileStation tools

- auth.py: AuthManager with OS keyring, env var fallback, 2FA device token flow
- config.py: AppConfig/ConnectionConfig dataclasses, YAML load/save, env overrides
- client.py: FileStationClient with lazy init, session re-auth, upload/download
- cli.py: setup / check / serve subcommands (anyio.run throughout)
- server.py: create_server factory wiring FastMCP to FileStation tools
- tools/filestation.py: list_shares and list_dir with ASCII table output,
  pagination hints, input validation, DSM error mapping
- tests: 30 unit tests, all passing (auth, config, tools)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-04-14 08:23:34 +02:00
parent 9fc5a3d68c
commit 59301ae760
10 changed files with 2945 additions and 8 deletions
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"""Tests for tools/filestation.py: list_shares and list_dir."""
from __future__ import annotations
from unittest.mock import AsyncMock, MagicMock
import pytest
from mcp_synology_filestation.client import SynologyError
from mcp_synology_filestation.config import AppConfig, ConnectionConfig
@pytest.fixture()
def config() -> AppConfig:
return AppConfig(
schema_version=1,
connection=ConnectionConfig(host="nas.example.com"),
)
def _make_mcp_and_tools(config: AppConfig, client: MagicMock) -> dict:
"""Register FileStation tools on a mock FastMCP and collect them by name."""
from mcp_synology_filestation.tools.filestation import register_filestation
registered: dict[str, object] = {}
mcp = MagicMock()
def tool_decorator():
"""Simulate @mcp.tool() — capture the decorated function."""
def decorator(fn):
registered[fn.__name__] = fn
return fn
return decorator
mcp.tool = tool_decorator
register_filestation(mcp, config, client)
return registered
# ──────────────────────────────────────────────────────────────────────────
# list_shares
# ──────────────────────────────────────────────────────────────────────────
@pytest.mark.asyncio
async def test_list_shares_success(config: AppConfig) -> None:
"""list_shares returns a formatted table on success."""
client = MagicMock()
client.request = AsyncMock(
return_value={
"shares": [
{
"name": "data",
"path": "/data",
"additional": {
"real_path": "/volume1/data",
"volume_status": {
"totalspace": 2_000_000_000,
"usedspace": 500_000_000,
},
},
},
{
"name": "photos",
"path": "/photos",
"additional": {
"real_path": "/volume1/photos",
"volume_status": {},
},
},
]
}
)
tools = _make_mcp_and_tools(config, client)
result = await tools["list_shares"]()
assert "data" in result
assert "/volume1/data" in result
assert "photos" in result
assert "2 share(s) found" in result
# Check usage percentage appears
assert "%" in result
@pytest.mark.asyncio
async def test_list_shares_empty(config: AppConfig) -> None:
"""list_shares returns a friendly message when no shares exist."""
client = MagicMock()
client.request = AsyncMock(return_value={"shares": []})
tools = _make_mcp_and_tools(config, client)
result = await tools["list_shares"]()
assert "No shared folders" in result
@pytest.mark.asyncio
async def test_list_shares_dsm_error(config: AppConfig) -> None:
"""list_shares returns an Error: message on SynologyError."""
client = MagicMock()
client.request = AsyncMock(
side_effect=SynologyError("Permission denied — check DSM user permissions", code=105)
)
tools = _make_mcp_and_tools(config, client)
result = await tools["list_shares"]()
assert result.startswith("Error:")
assert "Permission denied" in result
# ──────────────────────────────────────────────────────────────────────────
# list_dir
# ──────────────────────────────────────────────────────────────────────────
@pytest.mark.asyncio
async def test_list_dir_success(config: AppConfig) -> None:
"""list_dir returns a formatted table with files and directories."""
client = MagicMock()
client.request = AsyncMock(
return_value={
"total": 3,
"files": [
{
"name": "documents",
"isdir": True,
"additional": {"size": None, "time": {"mtime": 1700000000}},
},
{
"name": "photo.jpg",
"isdir": False,
"additional": {"size": 2_500_000, "time": {"mtime": 1700100000}},
},
{
"name": "readme.txt",
"isdir": False,
"additional": {"size": 1024, "time": {"mtime": 1700200000}},
},
],
}
)
tools = _make_mcp_and_tools(config, client)
result = await tools["list_dir"](path="/volume1/data")
assert "documents" in result
assert "photo.jpg" in result
assert "readme.txt" in result
assert "dir" in result
assert "file" in result
assert "Showing 13 of 3 item(s)" in result
@pytest.mark.asyncio
async def test_list_dir_pagination(config: AppConfig) -> None:
"""list_dir shows pagination hint when more items are available."""
client = MagicMock()
client.request = AsyncMock(
return_value={
"total": 200,
"files": [
{
"name": f"file{i}.txt",
"isdir": False,
"additional": {"size": 100, "time": {"mtime": 1700000000 + i}},
}
for i in range(100)
],
}
)
tools = _make_mcp_and_tools(config, client)
result = await tools["list_dir"](path="/volume1/data", limit=100)
assert "Showing 1100 of 200" in result
assert "offset=100" in result
@pytest.mark.asyncio
async def test_list_dir_empty(config: AppConfig) -> None:
"""list_dir returns a friendly message for empty directories."""
client = MagicMock()
client.request = AsyncMock(return_value={"total": 0, "files": []})
tools = _make_mcp_and_tools(config, client)
result = await tools["list_dir"](path="/volume1/empty")
assert "empty" in result.lower() or "does not exist" in result.lower()
@pytest.mark.asyncio
async def test_list_dir_invalid_sort_by(config: AppConfig) -> None:
"""list_dir returns an Error: message for invalid sort_by."""
client = MagicMock()
client.request = AsyncMock()
tools = _make_mcp_and_tools(config, client)
result = await tools["list_dir"](path="/volume1/data", sort_by="invalid_field")
assert result.startswith("Error:")
assert "sort_by" in result
client.request.assert_not_called()
@pytest.mark.asyncio
async def test_list_dir_invalid_sort_direction(config: AppConfig) -> None:
"""list_dir returns an Error: message for invalid sort_direction."""
client = MagicMock()
client.request = AsyncMock()
tools = _make_mcp_and_tools(config, client)
result = await tools["list_dir"](path="/volume1/data", sort_direction="random")
assert result.startswith("Error:")
assert "sort_direction" in result
client.request.assert_not_called()
@pytest.mark.asyncio
async def test_list_dir_limit_clamped(config: AppConfig) -> None:
"""list_dir clamps limit to _MAX_LIMIT (500)."""
client = MagicMock()
client.request = AsyncMock(return_value={"total": 1, "files": []})
tools = _make_mcp_and_tools(config, client)
await tools["list_dir"](path="/volume1/data", limit=9999)
call_params = client.request.call_args[1]["params"]
assert call_params["limit"] == 500
@pytest.mark.asyncio
async def test_list_dir_dsm_error(config: AppConfig) -> None:
"""list_dir returns Error: on SynologyError (e.g. path not found)."""
client = MagicMock()
client.request = AsyncMock(side_effect=SynologyError("File or folder not found", code=1800))
tools = _make_mcp_and_tools(config, client)
result = await tools["list_dir"](path="/volume1/nonexistent")
assert result.startswith("Error:")
assert "not found" in result.lower()