rc/SIENTIAPDE-2173- refactor: move repeat_last_prediction from sientia-dataops-library into Storage, add metadata_id

tests/laborious/activities/test_storage.py

@@ -257,6 +257,86 @@ def test_export_payload_to_postgres(storage):
     assert result == {'success': True}
 
 
+def test_build_repeat_last_prediction_query(storage):
+    query = storage._build_repeat_last_prediction_query('public', 'predictions')
+    query_str = str(query)
+
+    assert 'INSERT INTO "public".predictions' in query_str
+    assert 'metadata_id' in query_str
+    assert ':last_timestamp' in query_str
+    assert ':metadata_id' in query_str
+    assert ':model' in query_str
+
+
+@patch('laborious.activities.storage.text')
+def test_repeat_last_prediction_success(text_mock, storage):
+    storage.emit_metric_sync = MagicMock()
+    storage.observe_lag_sync = MagicMock()
+    query_items = {
+        **metadata,
+        'schema': 'public',
+        'table_name': 'predictions',
+        'model': 1,
+        'last_timestamp': '2022-01-01',
+        'metadata_id': 'abc123',
+    }
+
+    with patch('sqlalchemy.orm.session.Session.execute') as mock_execute:
+        storage.repeat_last_prediction(query_items)
+
+    text_mock.assert_called_once()
+    mock_execute.assert_called_once_with(
+        text_mock.return_value,
+        {'last_timestamp': '2022-01-01', 'model': 1, 'metadata_id': 'abc123'},
+    )
+    storage.observe_lag_sync.assert_called_once()
+    storage.emit_metric_sync.assert_called_once()
+
+
+@patch('laborious.activities.storage.text')
+def test_repeat_last_prediction_without_metadata_id(text_mock, storage):
+    storage.emit_metric_sync = MagicMock()
+    storage.observe_lag_sync = MagicMock()
+    query_items = {
+        **metadata,
+        'schema': 'public',
+        'table_name': 'predictions',
+        'model': 1,
+        'last_timestamp': '2022-01-01',
+    }
+
+    with patch('sqlalchemy.orm.session.Session.execute') as mock_execute:
+        storage.repeat_last_prediction(query_items)
+
+    mock_execute.assert_called_once_with(
+        text_mock.return_value,
+        {'last_timestamp': '2022-01-01', 'model': 1, 'metadata_id': None},
+    )
+
+
+@patch('laborious.activities.storage.text')
+def test_repeat_last_prediction_error(text_mock, storage):
+    storage.emit_metric_sync = MagicMock()
+    storage.send_notification = MagicMock()
+    query_items = {
+        **metadata,
+        'schema': 'public',
+        'table_name': 'predictions',
+        'model': 1,
+        'last_timestamp': '2022-01-01',
+        'metadata_id': 'abc123',
+    }
+
+    with (
+        patch('sqlalchemy.orm.session.Session.execute', side_effect=ValueError('db')),
+        raises(ValueError),
+    ):
+        storage.repeat_last_prediction(query_items)
+
+    storage.send_notification.assert_called_once()
+    storage.emit_metric_sync.assert_called()
+
+
 def test_cleanup_minio_objects_expired_minio_not_initialized(storage):
     storage.minio_repository = None