Files
DashBoard/tests/test_health_routes.py

117 lines
4.1 KiB
Python

# -*- coding: utf-8 -*-
"""Health route telemetry tests."""
from __future__ import annotations
from unittest.mock import patch
import mes_dashboard.core.database as db
from mes_dashboard.app import create_app
def _client():
db._ENGINE = None
app = create_app('testing')
app.config['TESTING'] = True
from mes_dashboard.routes.health_routes import _reset_health_memo_for_tests
_reset_health_memo_for_tests()
return app.test_client()
@patch('mes_dashboard.routes.health_routes.check_database', return_value=('ok', None))
@patch('mes_dashboard.routes.health_routes.check_redis', return_value=('error', 'redis-down'))
@patch('mes_dashboard.routes.health_routes.get_route_cache_status')
def test_health_includes_route_cache_and_degraded_warning(
mock_route_cache,
_mock_redis,
_mock_db,
):
mock_route_cache.return_value = {
'mode': 'l1-only',
'degraded': True,
'reads_total': 10,
'l1_hits': 9,
'misses': 1,
}
response = _client().get('/health')
assert response.status_code == 200
payload = response.get_json()
assert payload['status'] == 'degraded'
assert payload['route_cache']['mode'] == 'l1-only'
assert payload['route_cache']['degraded'] is True
assert 'resilience' in payload
assert payload['resilience']['thresholds']['restart_churn_threshold'] >= 1
assert payload['resilience']['recovery_recommendation']['action'] == 'continue_degraded_mode'
assert any('degraded' in warning.lower() for warning in payload.get('warnings', []))
@patch('mes_dashboard.core.permissions.is_admin_logged_in', return_value=True)
@patch('mes_dashboard.core.metrics.get_metrics_summary', return_value={'p50_ms': 1, 'p95_ms': 2, 'p99_ms': 3, 'count': 10, 'slow_count': 0, 'slow_rate': 0.0, 'worker_pid': 123})
@patch('mes_dashboard.core.circuit_breaker.get_circuit_breaker_status', return_value={'state': 'CLOSED'})
@patch('mes_dashboard.routes.health_routes.check_database', return_value=('ok', None))
@patch('mes_dashboard.routes.health_routes.check_redis', return_value=('ok', None))
@patch('mes_dashboard.routes.health_routes.get_route_cache_status')
def test_deep_health_exposes_route_cache_telemetry(
mock_route_cache,
_mock_redis,
_mock_db,
_mock_cb,
_mock_metrics,
_mock_admin,
):
mock_route_cache.return_value = {
'mode': 'l1+l2',
'degraded': False,
'reads_total': 20,
'l1_hits': 8,
'l2_hits': 11,
'misses': 1,
}
response = _client().get('/health/deep')
assert response.status_code == 200
payload = response.get_json()
route_cache = payload['checks']['route_cache']
assert route_cache['mode'] == 'l1+l2'
assert route_cache['reads_total'] == 20
assert route_cache['degraded'] is False
assert payload['resilience']['recovery_recommendation']['action'] == 'none'
assert payload['resilience']['thresholds']['pool_saturation_warning'] >= 0.5
def test_health_memo_store_and_expire(monkeypatch):
import mes_dashboard.routes.health_routes as hr
hr._reset_health_memo_for_tests()
monkeypatch.setattr(hr, "_health_memo_enabled", lambda: True)
hr._set_health_memo("health", {"status": "healthy"}, 200)
cached = hr._get_health_memo("health")
assert cached == ({"status": "healthy"}, 200)
with hr._HEALTH_MEMO_LOCK:
hr._HEALTH_MEMO["health"] = {"ts": 0.0, "payload": {"status": "old"}, "status": 200}
with patch("mes_dashboard.routes.health_routes.time.time", return_value=100.0):
assert hr._get_health_memo("health") is None
@patch('mes_dashboard.routes.health_routes._health_memo_enabled', return_value=True)
@patch('mes_dashboard.routes.health_routes.check_database', return_value=('ok', None))
@patch('mes_dashboard.routes.health_routes.check_redis', return_value=('ok', None))
def test_health_route_uses_internal_memoization(
_mock_redis,
mock_db,
_mock_enabled,
):
client = _client()
response1 = client.get('/health')
response2 = client.get('/health')
assert response1.status_code == 200
assert response2.status_code == 200
assert mock_db.call_count == 1