potiuk commented on a change in pull request #6922: [AIRFLOW-5385] spark hook
does not work on spark 2.3/2.4
URL: https://github.com/apache/airflow/pull/6922#discussion_r361842287
##########
File path: tests/contrib/hooks/test_spark_submit_hook.py
##########
@@ -166,6 +166,38 @@ def test_build_spark_submit_command(self):
]
self.assertEqual(expected_build_cmd, cmd)
+ def test_build_track_driver_status_command(self):
+ # note this function is only relevant for spark setup matching below
condition
+ # 'spark://' in self._connection['master'] and
self._connection['deploy_mode'] == 'cluster'
+
+ # Given
+ hook_spark_standalone_cluster = SparkSubmitHook(
+ conn_id='spark_standalone_cluster')
+ hook_spark_standalone_cluster._driver_id = 'driver-20171128111416-0001'
+ hook_spark_yarn_cluster = SparkSubmitHook(
+ conn_id='spark_yarn_cluster')
+ hook_spark_yarn_cluster._driver_id = 'driver-20171128111417-0001'
+
+ # When
+ build_track_driver_status_spark_standalone_cluster = \
+ hook_spark_standalone_cluster._build_track_driver_status_command()
+ build_track_driver_status_spark_yarn_cluster = \
+ hook_spark_yarn_cluster._build_track_driver_status_command()
+
+ # Then
+ expected_build_track_driver_status_spark_standalone_cluster = [
+ '/usr/bin/curl',
+ '--max-time',
+ '30',
+
'http://spark-standalone-master:6066/v1/submissions/status/driver-20171128111416-0001']
+ expected_build_track_driver_status_spark_yarn_cluster = [
+ 'spark-submit', '--master', 'yarn://yarn-master', '--status',
'driver-20171128111417-0001']
+
+
self.assertListEqual(expected_build_track_driver_status_spark_standalone_cluster,
Review comment:
Since we are switching to pytest, it would be great to use the standard
asserts from python.
Pytest does all the heavy lifting and rewrites the assertions so `assert a
== b` works very well also for iterables (and provides useful comparison
report).
https://docs.pytest.org/en/latest/example/reportingdemo.html#tbreportdemo
```
self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef>
def test_eq_list(self):
> assert [0, 1, 2] == [0, 1, 3]
E assert [0, 1, 2] == [0, 1, 3]
E At index 2 diff: 2 != 3
E Use -v to get the full diff
failure_demo.py:64: AssertionError
```
We have switched now to use the standard python asserts wherever possible.
See https://github.com/apache/airflow/blob/master/TESTING.rst#writing-unit-tests
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