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from datetime import datetime, timedelta
from unittest.mock import MagicMock
import pytest
from ...fs.schedule_client import get_prune_set, SNAPSHOT_TS_FORMAT
class TestScheduleClient(object):
def test_get_prune_set_empty_retention_no_prune(self):
now = datetime.now()
candidates = set()
for i in range(10):
ts = now - timedelta(minutes=i*5)
fake_dir = MagicMock()
fake_dir.d_name = f'scheduled-{ts.strftime(SNAPSHOT_TS_FORMAT)}'
candidates.add((fake_dir, ts))
ret = {}
prune_set = get_prune_set(candidates, ret, 99)
assert prune_set == set(), 'candidates are pruned despite empty retention'
def test_get_prune_set_two_retention_specs(self):
now = datetime.now()
candidates = set()
for i in range(10):
ts = now - timedelta(hours=i*1)
fake_dir = MagicMock()
fake_dir.d_name = f'scheduled-{ts.strftime(SNAPSHOT_TS_FORMAT)}'
candidates.add((fake_dir, ts))
for i in range(10):
ts = now - timedelta(days=i*1)
fake_dir = MagicMock()
fake_dir.d_name = f'scheduled-{ts.strftime(SNAPSHOT_TS_FORMAT)}'
candidates.add((fake_dir, ts))
# should keep 8 snapshots
ret = {'h': 6, 'd': 2}
prune_set = get_prune_set(candidates, ret, 99)
assert len(prune_set) == len(candidates) - 8, 'wrong size of prune set'
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