nuclearpinguin commented on a change in pull request #6898: [AIRFLOW-6432] fix
EmrAddStepsOperator broken ref & faulty test & add test case for missing cluster
URL: https://github.com/apache/airflow/pull/6898#discussion_r362162056
##########
File path: tests/contrib/operators/test_emr_add_steps_operator.py
##########
@@ -107,23 +108,45 @@ def test_execute_returns_step_id(self):
def test_init_with_cluster_name(self):
expected_job_flow_id = 'j-1231231234'
- self.emr_client_mock.get_cluster_id_by_name.return_value =
expected_job_flow_id
self.emr_client_mock.add_job_flow_steps.return_value =
ADD_STEPS_SUCCESS_RETURN
with patch('boto3.session.Session', self.boto3_session_mock):
+ with
patch('airflow.contrib.hooks.emr_hook.EmrHook.get_cluster_id_by_name') \
+ as mock_get_cluster_id_by_name:
+ mock_get_cluster_id_by_name.return_value = expected_job_flow_id
+
+ operator = EmrAddStepsOperator(
+ task_id='test_task',
+ job_flow_name='test_cluster',
+ cluster_states=['RUNNING', 'WAITING'],
+ aws_conn_id='aws_default',
+ dag=DAG('test_dag_id', default_args=self.args)
+ )
+
+ operator.execute(self.mock_context)
+
+ ti = self.mock_context['ti']
+
+ ti.xcom_push.assert_called_once_with(key='job_flow_id',
value=expected_job_flow_id)
+
+ def test_init_with_nonexistent_cluster_name(self):
+ cluster_name = 'test_cluster'
+
+ with
patch('airflow.contrib.hooks.emr_hook.EmrHook.get_cluster_id_by_name') \
+ as mock_get_cluster_id_by_name:
+ mock_get_cluster_id_by_name.return_value = None
+
operator = EmrAddStepsOperator(
task_id='test_task',
- job_flow_name='test_cluster',
+ job_flow_name=cluster_name,
cluster_states=['RUNNING', 'WAITING'],
aws_conn_id='aws_default',
dag=DAG('test_dag_id', default_args=self.args)
)
- operator.execute(self.mock_context)
-
- ti = self.mock_context['ti']
-
- ti.xcom_push.assert_any_call(key='job_flow_id',
value=expected_job_flow_id)
+ with self.assertRaises(AirflowException) as error:
+ operator.execute(self.mock_context)
+ self.assertEqual(str(error.exception), 'No cluster found for name
= test_cluster')
Review comment:
```suggestion
self.assertEqual(str(error.exception), f'No cluster found for
name: {cluster_name}')
```
The test need an adjustment after the change in core :)
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