def test_visit_table_ref_should_create_logical_get_opr(self, mock_lget): converter = StatementToPlanConvertor() table_ref = MagicMock(spec=TableRef, alias="alias") table_ref.is_select.return_value = False table_ref.sample_freq = None converter.visit_table_ref(table_ref) mock_lget.assert_called_with(table_ref, table_ref.table.table_obj, "alias") self.assertEqual(mock_lget.return_value, converter._plan)
def test_visit_select_should_not_call_visits_for_null_values(self): converter = StatementToPlanConvertor() converter.visit_table_ref = MagicMock() converter._visit_projection = MagicMock() converter._visit_select_predicate = MagicMock() converter._visit_union = MagicMock() statement = SelectStatement() converter.visit_select(statement) converter.visit_table_ref.assert_not_called() converter._visit_projection.assert_not_called() converter._visit_select_predicate.assert_not_called()
def test_visit_select_should_call_appropriate_visit_methods(self): converter = StatementToPlanConvertor() converter.visit_table_ref = MagicMock() converter._visit_projection = MagicMock() converter._visit_select_predicate = MagicMock() converter._visit_union = MagicMock() statement = MagicMock() statement.from_table = MagicMock(spec=TableRef) converter.visit_select(statement) converter.visit_table_ref.assert_called_with(statement.from_table) converter._visit_projection.assert_called_with(statement.target_list) converter._visit_select_predicate.assert_called_with( statement.where_clause)