[GitHub] [airflow] feluelle commented on a change in pull request #6467: [AIRFLOW-5814] Implementing Presto hook tests

[GitBox <gi...@apache.org>]

feluelle commented on a change in pull request #6467: [AIRFLOW-5814] Implementing Presto hook tests
URL: https://github.com/apache/airflow/pull/6467#discussion_r341146121
 
 

 ##########
 File path: tests/hooks/test_presto_hook.py
 ##########
 @@ -51,3 +51,39 @@ def test_insert_rows(self, mock_insert_rows):
         target_fields = None
         self.db_hook.insert_rows(table, rows, target_fields)
         mock_insert_rows.assert_called_once_with(table, rows, None, 0)
+
+    def test_get_first_record(self):
+        statement = 'SQL'
+        result_sets = [('row1',), ('row2',)]
+        self.cur.fetchone.return_value = result_sets[0]
+
+        self.assertEqual(result_sets[0], self.db_hook.get_first(statement))
+        assert self.conn.close.call_count == 1
+        assert self.cur.close.call_count == 1
 
 Review comment:
   ```suggestion
           self.cur.close.assert_called_once_with()
   ```

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