1 files changed, 101 insertions, 0 deletions
diff --git a/trove/tests/unittests/guestagent/datastore/postgres/test_manager.py b/trove/tests/unittests/guestagent/datastore/postgres/test_manager.py
new file mode 100644
index 00000000..343eaee9
--- /dev/null
+++ b/trove/tests/unittests/guestagent/datastore/postgres/test_manager.py
@@ -0,0 +1,101 @@
+# Copyright 2021 Catalyst Cloud
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+import os
+from unittest import mock
+
+from trove.guestagent.datastore.postgres import manager
+from trove.guestagent.datastore.postgres import service
+from trove.tests.unittests import trove_testtools
+
+
+class TestPostgresManager(trove_testtools.TestCase):
+    def setUp(self):
+        super(TestPostgresManager, self).setUp()
+        manager.PostgresManager._docker_client = mock.MagicMock()
+        self.patch_datastore_manager('postgresql')
+
+    @mock.patch('trove.guestagent.common.operating_system.remove')
+    @mock.patch('os.listdir')
+    @mock.patch('trove.guestagent.common.operating_system.get_filesystem_size')
+    @mock.patch('trove.guestagent.common.operating_system.get_dir_size')
+    @mock.patch('trove.guestagent.common.operating_system.exists')
+    def test_clean_wal_archives(self, mock_exists, mock_get_dir_size,
+                                mock_get_filesystem_size, mock_listdir,
+                                mock_remove):
+        mock_exists.return_value = True
+        mock_get_dir_size.side_effect = [6, 1]
+        mock_get_filesystem_size.return_value = 10
+        mock_listdir.return_value = [
+            '0000000100000002000000D4',
+            '00000001000000000000008D',
+            '0000000100000000000000A7.00000028.backup',
+            '0000000100000000000000A7',
+            '0000000100000002000000E7'
+        ]
+
+        psql_manager = manager.PostgresManager()
+        psql_manager.clean_wal_archives(mock.ANY)
+
+        self.assertEqual(1, mock_remove.call_count)
+
+        archive_path = service.WAL_ARCHIVE_DIR
+        expected_calls = [
+            mock.call(
+                path=os.path.join(archive_path, '00000001000000000000008D'),
+                force=True, recursive=False,
+                as_root=True),
+        ]
+        self.assertEqual(expected_calls, mock_remove.call_args_list)
+
+    @mock.patch('trove.guestagent.common.operating_system.remove')
+    @mock.patch('os.listdir')
+    @mock.patch('trove.guestagent.common.operating_system.get_filesystem_size')
+    @mock.patch('trove.guestagent.common.operating_system.get_dir_size')
+    @mock.patch('trove.guestagent.common.operating_system.exists')
+    def test_clean_wal_archives_no_backups(self, mock_exists,
+                                           mock_get_dir_size,
+                                           mock_get_filesystem_size,
+                                           mock_listdir,
+                                           mock_remove):
+        mock_exists.return_value = True
+        mock_get_dir_size.side_effect = [6, 1]
+        mock_get_filesystem_size.return_value = 10
+        mock_listdir.return_value = [
+            '0000000100000002000000D4',
+            '00000001000000000000008D',
+            '0000000100000000000000A7',
+            '0000000100000002000000E7'
+        ]
+
+        psql_manager = manager.PostgresManager()
+        psql_manager.clean_wal_archives(mock.ANY)
+
+        self.assertEqual(3, mock_remove.call_count)
+
+        archive_path = service.WAL_ARCHIVE_DIR
+        expected_calls = [
+            mock.call(
+                path=os.path.join(archive_path, '0000000100000002000000D4'),
+                force=True, recursive=False,
+                as_root=True),
+            mock.call(
+                path=os.path.join(archive_path, '0000000100000000000000A7'),
+                force=True, recursive=False,
+                as_root=True),
+            mock.call(
+                path=os.path.join(archive_path, '00000001000000000000008D'),
+                force=True, recursive=False,
+                as_root=True),
+        ]
+        self.assertEqual(expected_calls, mock_remove.call_args_list)