"""Tests for operating mode detection."""
import sys
from pathlib import Path
from unittest.mock import AsyncMock, patch, MagicMock
import pytest
sys.path.insert(0, str(Path(__file__).parent.parent / "src"))
from scribe_mcp.config.mode_detection import OperatingMode, detect_operating_mode, _probe_remote
class FakeSettings:
"""Minimal settings stub for testing."""
def __init__(self, mode="auto", remote_server_url=None, remote_connect_timeout=3.0,
remote_fallback=True, db_url=None):
self.mode = mode
self.remote_server_url = remote_server_url
self.remote_connect_timeout = remote_connect_timeout
self.remote_fallback = remote_fallback
self.db_url = db_url
@pytest.mark.asyncio
async def test_explicit_server_mode():
s = FakeSettings(mode="server")
assert await detect_operating_mode(s) == OperatingMode.SERVER
@pytest.mark.asyncio
async def test_explicit_client_mode():
s = FakeSettings(mode="client")
assert await detect_operating_mode(s) == OperatingMode.CLIENT
@pytest.mark.asyncio
async def test_explicit_standalone_mode():
s = FakeSettings(mode="standalone")
assert await detect_operating_mode(s) == OperatingMode.STANDALONE
@pytest.mark.asyncio
async def test_remote_url_reachable_returns_client():
s = FakeSettings(remote_server_url="http://localhost:8200")
with patch("scribe_mcp.config.mode_detection._probe_remote", new_callable=AsyncMock, return_value=True):
assert await detect_operating_mode(s) == OperatingMode.CLIENT
@pytest.mark.asyncio
async def test_remote_url_unreachable_fallback_returns_standalone():
s = FakeSettings(remote_server_url="http://localhost:8200", remote_fallback=True)
with patch("scribe_mcp.config.mode_detection._probe_remote", new_callable=AsyncMock, return_value=False):
assert await detect_operating_mode(s) == OperatingMode.STANDALONE
@pytest.mark.asyncio
async def test_remote_url_unreachable_no_fallback_raises():
s = FakeSettings(remote_server_url="http://localhost:8200", remote_fallback=False)
with patch("scribe_mcp.config.mode_detection._probe_remote", new_callable=AsyncMock, return_value=False):
with pytest.raises(RuntimeError, match="unreachable"):
await detect_operating_mode(s)
@pytest.mark.asyncio
async def test_db_url_returns_server():
s = FakeSettings(db_url="postgresql://localhost/scribe")
assert await detect_operating_mode(s) == OperatingMode.SERVER
@pytest.mark.asyncio
async def test_nothing_set_returns_standalone():
s = FakeSettings()
assert await detect_operating_mode(s) == OperatingMode.STANDALONE
@pytest.mark.asyncio
async def test_auto_mode_with_remote_url_probes():
"""auto mode with remote_server_url should probe, not default."""
s = FakeSettings(mode="auto", remote_server_url="http://example.com:8200")
with patch("scribe_mcp.config.mode_detection._probe_remote", new_callable=AsyncMock, return_value=True) as mock_probe:
result = await detect_operating_mode(s)
assert result == OperatingMode.CLIENT
mock_probe.assert_called_once_with("http://example.com:8200", timeout=3.0)
