[AMBARI-23197] Ambari Agent unit test failures on Python 2.7

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.7.0
• Component/s: ambari-agent
• Labels: pull-request-available
• Assignee: Attila Doroszlai
• Reporter: Attila Doroszlai
• Created: 10/Mar/18 10:24
• Updated: 26/Mar/18 08:44
• Resolved: 26/Mar/18 08:01

Description

The following 2 tests consistently fail on CentOS7 with Python 2.7.5:

mvn -am -pl ambari-agent -Drat.skip clean test

======================================================================
FAIL: test_load_definitions_noFile (TestAlertSchedulerHandler.TestAlertSchedulerHandler)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "ambari-agent/src/test/python/ambari_agent/TestAlertSchedulerHandler.py", line 314, in test_load_definitions_noFile
    self.assertEquals(definitions, [])
AssertionError: Lists differ: [<ambari_agent.alerts.port_ale... != []

First list contains 1 additional elements.
First extra element 0:
<ambari_agent.alerts.port_alert.PortAlert object at 0x384c990>

- [<ambari_agent.alerts.port_alert.PortAlert object at 0x384c990>]
+ []

======================================================================
FAIL: test_generation (TestCertGeneration.TestCertGeneration)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "ambari-common/src/test/python/mock/mock.py", line 1199, in patched
    return func(*args, **keywargs)
  File "ambari-agent/src/test/python/ambari_agent/TestCertGeneration.py", line 49, in test_generation
    self.assertTrue(os.path.exists(self.certMan.getAgentKeyName()))
AssertionError: False is not true

----------------------------------------------------------------------
Ran 342 tests in 17.726s

FAILED (failures=2)

The first one also fails on Ubuntu 16 with Python 2.7.12:

FAIL: test_load_definitions_noFile (TestAlertSchedulerHandler.TestAlertSchedulerHandler)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "ambari-agent/src/test/python/ambari_agent/TestAlertSchedulerHandler.py", line 314, in test_load_definitions_noFile
    self.assertEquals(definitions, [])
AssertionError: Lists differ: [<ambari_agent.alerts.port_ale... != []

First list contains 1 additional elements.
First extra element 0:
<ambari_agent.alerts.port_alert.PortAlert object at 0x7fbc86c56fd0>

- [<ambari_agent.alerts.port_alert.PortAlert object at 0x7fbc86c56fd0>]
+ []

----------------------------------------------------------------------
Ran 342 tests in 18.052s

FAILED (failures=1)

Also seen in Jenkins:
https://builds.apache.org/job/Ambari-Github-PullRequest-Builder/1083/
https://builds.apache.org/job/Ambari-Github-PullRequest-Builder/950/
https://builds.apache.org/job/Ambari-Github-PullRequest-Builder/938/

Issue Links

• links to: GitHub Pull Request #777