TestCollectorService.test_extract_when : assertAlmostEqual() failure

[Mark McLoughlin]

Looks like https://review.openstack.org/47857 introduced an occasional unit test failure:

 FAIL: tests.collector.test_service.TestCollectorService.test_extract_when
 tags: worker-1
  ----------------------------------------------------------------------
  Empty attachments:
    pythonlogging:''

  Traceback (most recent call last):
    File "tests/collector/test_service.py", line 301, in test_extract_when
      self.assertAlmostEqual(timeutils.delta_seconds(modified, when), 0.0)
    File "/usr/lib/python2.7/unittest/case.py", line 559, in assertAlmostEqual
      raise self.failureException(msg)
  AssertionError: -1e-06 != 0.0 within 7 places

http://logs.openstack.org/38/48138/2/gate/gate-ceilometer-python27/9e4a41d/console.html

[Julien Danjou (jdanjou)]

It's actually the same bug that the commit was trying to fix, but written differently. :-)

(for reference it's https://bugs.launchpad.net/ceilometer/+bug/1223346)

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/48199

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/48199
Committed: http://github.com/openstack/ceilometer/commit/23ae798cee7ec40d6d674318267aa27593b760df
Submitter: Jenkins
Branch: master

commit 23ae798cee7ec40d6d674318267aa27593b760df
Author: Julien Danjou <email address hidden>
Date: Wed Sep 25 10:32:46 2013 +0200

    tests: fix places check for timestamp equality

    It's actually up to the microsecond, and not finer, so the default
    places value of 7 isn't good enough.

    Change-Id: Ic0438db4c9039a904a43547d5c5181400a84d22f
    Closes-Bug: #1230099