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Add docstrings to patroni.postgresql.slots.py (#2778)

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Also, made some small code changes to satisfy formatting and pylint.
This commit is contained in:
Matt Baker
2023-09-20 12:30:57 +02:00
committed by Alexander Kukushkin
parent f7e99749ef
commit bcafe91a55
2 changed files with 270 additions and 46 deletions
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tests/test_slots.py
+17
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@@ -70,6 +70,23 @@ class TestSlotsHandler(BaseTestPostgresql):
with patch.object(Postgresql, 'major_version', PropertyMock(return_value=90618)):
self.s.sync_replication_slots(cluster, False)
def test_cascading_replica_sync_replication_slots(self):
"""Test sync with a cascading replica so physical slots are present on a replica."""
config = ClusterConfig(1, {'slots': {'ls': {'database': 'a', 'plugin': 'b'}}}, 1)
cascading_replica = Member(0, 'test-2', 28, {
'state': 'running', 'conn_url': 'postgres://replicator:[email protected]:5436/postgres',
'tags': {'replicatefrom': 'postgresql0'}
})
cluster = Cluster(True, config, self.leader, 0,
[self.me, self.other, self.leadermem, cascading_replica],
None, SyncState.empty(), None, {'ls': 10}, None)
self.p.set_role('replica')
with patch.object(Postgresql, '_query') as mock_query, \
patch.object(Postgresql, 'is_leader', Mock(return_value=False)):
mock_query.return_value = [('ls', 'logical', 'b', 'a', 5, 12345, 105)]
ret = self.s.sync_replication_slots(cluster, False)
self.assertEqual(ret, [])
def test_process_permanent_slots(self):
config = ClusterConfig(1, {'slots': {'ls': {'database': 'a', 'plugin': 'b'}},
'ignore_slots': [{'name': 'blabla'}]}, 1)