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gandalf/tests/test_db.py
jaredandClaude Opus 5.5 415d2222e7
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Topology: power map, what each outlet feeds
- Each PDU, UPS and power strip card lists its outlets that feed
  something, draw power or are off, with live watts. Each device fed
  gets a power badge with what it draws. Hovering a power card or a
  device draws its feeds as dotted lines and keeps both ends lit.
- What an outlet feeds: a saved assignment, else the outlet's UniFi name
  when it names a device (or the modem), else a MAC in its name that
  belongs to a host NIC (the monitor's host_macs) or UniFi device.
- Admins click an outlet to set what it feeds, nothing, or automatic.
  Saved in a new power_feeds table (created with the cutsheet tables);
  PUT /api/topology/power/<device>/<outlet>, admin and JSON only, with
  the device, outlet and target checked. UniFi is never changed.
- An outlet that is off but feeds something is listed under "to look at".
- Power gear is shown by default again, now that it has something to say.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-14 20:28:13 -05:00

87 lines
3.3 KiB
Python

"""Tests for db.py query helpers that do work beyond the SQL: the connection is faked."""
import os
import sys
from contextlib import contextmanager
from datetime import datetime, timedelta
from unittest.mock import MagicMock, patch
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
import db # noqa: E402
NOW = datetime(2026, 11, 14, 12, 0, 0)
def _fake_conn(rows):
cur = MagicMock()
cur.fetchall.return_value = rows
cur.fetchone.return_value = {'now': NOW}
conn = MagicMock()
conn.cursor.return_value.__enter__.return_value = cur
@contextmanager
def get_conn():
yield conn
return patch.object(db, 'get_conn', get_conn), cur
def _event(tid, hours_ago_first, hours_ago_resolved, etype='host_unreachable', target='pbs'):
return {
'ticket_id': tid, 'event_type': etype, 'target_name': target, 'target_detail': '',
'severity': 'critical', 'first_seen': NOW - timedelta(hours=hours_ago_first),
'resolved_at': None if hours_ago_resolved is None else NOW - timedelta(hours=hours_ago_resolved),
}
class TestGetClearedTickets:
def test_no_ids_skips_the_query(self):
patcher, cur = _fake_conn([])
with patcher:
assert db.get_cleared_tickets([]) == []
cur.execute.assert_not_called()
def test_only_tickets_whose_every_alert_cleared_long_enough_ago(self):
rows = [
_event('1', 300, 250), _event('1', 100, 48), # two outages, both long cleared
_event('2', 50, 40), _event('2', 5, None), # still active
_event('3', 10, 2), # cleared too recently
]
patcher, cur = _fake_conn(rows)
with patcher:
out = db.get_cleared_tickets(['3', '1', '2', '1'], older_than_hours=24)
assert [r['ticket_id'] for r in out] == ['1']
assert out[0]['events'] == 2
assert out[0]['cleared_at'] == (NOW - timedelta(hours=48)).isoformat() + 'Z'
assert out[0]['first_seen'] == (NOW - timedelta(hours=300)).isoformat() + 'Z'
assert cur.execute.call_args_list[0].args[1] == ['1', '2', '3']
def test_newest_clearance_first(self):
rows = [_event('1', 400, 300), _event('2', 100, 30, target='micro1')]
patcher, _ = _fake_conn(rows)
with patcher:
out = db.get_cleared_tickets(['1', '2'])
assert [r['ticket_id'] for r in out] == ['2', '1']
assert out[0]['target_name'] == 'micro1'
class TestPowerFeeds:
def test_none_goes_back_to_automatic(self):
patcher, cur = _fake_conn([])
with patcher:
db.set_power_feed('RPDU', 7, None, 'jared')
sql, args = cur.execute.call_args.args
assert sql.startswith('DELETE FROM power_feeds') and args == ('RPDU', 7)
def test_empty_target_is_saved_as_nothing(self):
patcher, cur = _fake_conn([])
with patcher:
db.set_power_feed('RPDU', 7, '', 'jared')
sql, args = cur.execute.call_args.args
assert 'INSERT INTO power_feeds' in sql and args == ('RPDU', 7, '', 'jared')
def test_rows_come_back_with_iso_times(self):
patcher, _ = _fake_conn([{'source': 'RPDU', 'outlet': 7, 'target': 'large1', 'updated_by': 'jared',
'updated_at': NOW}])
with patcher:
assert db.get_power_feeds()[0]['updated_at'] == '2026-11-14T12:00:00Z'