mirror of
https://github.com/jmagar/unraid-mcp.git
synced 2026-03-23 12:39:24 -07:00
7c99fe1527
Moves the subscription query dicts out of tools/live.py into a new subscriptions/queries.py module so subscriptions/resources.py can import them without creating a cross-layer subscriptions→tools dependency.
126 lines
4.2 KiB
Python
126 lines
4.2 KiB
Python
# tests/test_snapshot.py
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"""Tests for subscribe_once() and subscribe_collect() snapshot helpers."""
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from __future__ import annotations
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import asyncio
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import json
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from unittest.mock import AsyncMock, MagicMock, patch
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import pytest
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def _make_ws_message(sub_id: str, data: dict, proto: str = "graphql-transport-ws") -> str:
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msg_type = "next" if proto == "graphql-transport-ws" else "data"
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return json.dumps({"id": sub_id, "type": msg_type, "payload": {"data": data}})
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def _make_ws_recv_sequence(*messages: str):
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"""Build an async iterator that yields strings then hangs."""
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async def _gen():
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for m in messages:
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yield m
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# hang — simulates no more messages
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await asyncio.Event().wait()
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return _gen()
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@pytest.fixture
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def mock_ws():
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ws = MagicMock()
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ws.subprotocol = "graphql-transport-ws"
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ws.send = AsyncMock()
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return ws
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@pytest.mark.asyncio
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async def test_subscribe_once_returns_first_event(mock_ws):
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"""subscribe_once returns data from the first matching event."""
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from unraid_mcp.subscriptions.snapshot import subscribe_once
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ack = json.dumps({"type": "connection_ack"})
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data_msg = _make_ws_message("snapshot-1", {"systemMetricsCpu": {"percentTotal": 42.0}})
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mock_ws.__aiter__ = lambda s: aiter([data_msg])
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mock_ws.recv = AsyncMock(return_value=ack)
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async def aiter(items):
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for item in items:
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yield item
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with patch("unraid_mcp.subscriptions.snapshot.websockets.connect") as mock_connect:
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mock_connect.return_value.__aenter__ = AsyncMock(return_value=mock_ws)
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mock_connect.return_value.__aexit__ = AsyncMock(return_value=False)
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result = await subscribe_once("subscription { systemMetricsCpu { percentTotal } }")
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assert result == {"systemMetricsCpu": {"percentTotal": 42.0}}
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@pytest.mark.asyncio
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async def test_subscribe_once_raises_on_graphql_error(mock_ws):
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"""subscribe_once raises ToolError when server returns GraphQL errors."""
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from unraid_mcp.core.exceptions import ToolError
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from unraid_mcp.subscriptions.snapshot import subscribe_once
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ack = json.dumps({"type": "connection_ack"})
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error_msg = json.dumps(
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{
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"id": "snapshot-1",
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"type": "next",
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"payload": {"errors": [{"message": "Not authorized"}]},
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}
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)
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async def aiter(items):
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for item in items:
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yield item
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mock_ws.__aiter__ = lambda s: aiter([error_msg])
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mock_ws.recv = AsyncMock(return_value=ack)
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with patch("unraid_mcp.subscriptions.snapshot.websockets.connect") as mock_connect:
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mock_connect.return_value.__aenter__ = AsyncMock(return_value=mock_ws)
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mock_connect.return_value.__aexit__ = AsyncMock(return_value=False)
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with pytest.raises(ToolError, match="Not authorized"):
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await subscribe_once("subscription { systemMetricsCpu { percentTotal } }")
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@pytest.mark.asyncio
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async def test_subscribe_collect_returns_multiple_events(mock_ws):
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"""subscribe_collect returns a list of events received within the window."""
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from unraid_mcp.subscriptions.snapshot import subscribe_collect
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ack = json.dumps({"type": "connection_ack"})
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msg1 = _make_ws_message("snapshot-1", {"notificationAdded": {"id": "1", "title": "A"}})
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msg2 = _make_ws_message("snapshot-1", {"notificationAdded": {"id": "2", "title": "B"}})
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async def aiter(items):
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for item in items:
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yield item
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await asyncio.sleep(10) # hang after messages
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mock_ws.__aiter__ = lambda s: aiter([msg1, msg2])
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mock_ws.recv = AsyncMock(return_value=ack)
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with patch("unraid_mcp.subscriptions.snapshot.websockets.connect") as mock_connect:
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mock_connect.return_value.__aenter__ = AsyncMock(return_value=mock_ws)
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mock_connect.return_value.__aexit__ = AsyncMock(return_value=False)
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result = await subscribe_collect(
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"subscription { notificationAdded { id title } }",
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collect_for=0.1,
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)
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assert len(result) == 2
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assert result[0]["notificationAdded"]["id"] == "1"
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def test_snapshot_actions_importable_from_subscriptions() -> None:
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from unraid_mcp.subscriptions.queries import COLLECT_ACTIONS, SNAPSHOT_ACTIONS
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assert "cpu" in SNAPSHOT_ACTIONS
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assert "log_tail" in COLLECT_ACTIONS
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