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Reviewed:  https://review.openstack.org/303769
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=0032f3f5c3e075e3dc959c33352d9bc649e7d1e5
Submitter: Jenkins
Branch:    master

commit 0032f3f5c3e075e3dc959c33352d9bc649e7d1e5
Author: Timur Sufiev <tsufiev@xxxxxxxxxxxx>
Date:   Sun Apr 10 00:03:35 2016 +0300

    Guard against instance row being displayed slowly in i9n tests
    
    Sometimes due to slow Nova response in integration tests an instance
    row is being checked for the presence of a specific status before a
    row even appears.  Wait not only for the status appearance, but for
    the row appearance as well.
    
    Change-Id: Ifc58ef55a1e85c99ed442858c4f51a045603dc62
    Closes-Bug: #1568387


** Changed in: horizon
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1568387

Title:
  Integration tests fail due to slow creation of an instance

Status in OpenStack Dashboard (Horizon):
  Fix Released

Bug description:
  If you ever encounter traceback like this in the results of gate-
  horizon-dsvm-integration job

  2016-04-09 19:32:21.451 | 2016-04-09 19:32:21.432 | Traceback (most recent call last):
  2016-04-09 19:32:21.453 | 2016-04-09 19:32:21.433 |   File "/opt/stack/new/horizon/openstack_dashboard/test/integration_tests/tests/test_instances.py", line 197, in test_filter_instances
  2016-04-09 19:32:21.455 | 2016-04-09 19:32:21.435 |     self.assertTrue(instances_page.is_instance_active(instance_list[0]))
  2016-04-09 19:32:21.456 | 2016-04-09 19:32:21.437 |   File "/opt/stack/new/horizon/openstack_dashboard/test/integration_tests/pages/project/compute/instancespage.py", line 115, in is_instance_active
  2016-04-09 19:32:21.458 | 2016-04-09 19:32:21.438 |     lambda: row.cells[self.INSTANCES_TABLE_STATUS_COLUMN], 'Active')
  2016-04-09 19:32:21.460 | 2016-04-09 19:32:21.440 |   File "/opt/stack/new/horizon/openstack_dashboard/test/integration_tests/regions/tables.py", line 158, in is_cell_status
  2016-04-09 19:32:21.462 | 2016-04-09 19:32:21.443 |     self._wait_till_text_present_in_element(cell_getter, status)
  2016-04-09 19:32:21.464 | 2016-04-09 19:32:21.444 |   File "/opt/stack/new/horizon/openstack_dashboard/test/integration_tests/basewebobject.py", line 110, in _wait_till_text_present_in_element
  2016-04-09 19:32:21.466 | 2016-04-09 19:32:21.446 |     self._wait_until(predicate, timeout)
  2016-04-09 19:32:21.468 | 2016-04-09 19:32:21.448 |   File "/opt/stack/new/horizon/openstack_dashboard/test/integration_tests/basewebobject.py", line 94, in _wait_until
  2016-04-09 19:32:21.469 | 2016-04-09 19:32:21.449 |     predicate)
  2016-04-09 19:32:21.471 | 2016-04-09 19:32:21.451 |   File "/opt/stack/new/horizon/.tox/py27integration/local/lib/python2.7/site-packages/selenium/webdriver/support/wait.py", line 71, in until
  2016-04-09 19:32:21.472 | 2016-04-09 19:32:21.453 |     value = method(self._driver)
  2016-04-09 19:32:21.474 | 2016-04-09 19:32:21.454 |   File "/opt/stack/new/horizon/openstack_dashboard/test/integration_tests/basewebobject.py", line 107, in predicate
  2016-04-09 19:32:21.476 | 2016-04-09 19:32:21.456 |     elt = element() if hasattr(element, '__call__') else element
  2016-04-09 19:32:21.478 | 2016-04-09 19:32:21.458 |   File "/opt/stack/new/horizon/openstack_dashboard/test/integration_tests/pages/project/compute/instancespage.py", line 115, in <lambda>
  2016-04-09 19:32:21.479 | 2016-04-09 19:32:21.460 |     lambda: row.cells[self.INSTANCES_TABLE_STATUS_COLUMN], 'Active')
  2016-04-09 19:32:21.481 | 2016-04-09 19:32:21.462 | AttributeError: 'NoneType' object has no attribute 'cells'

  It most likely means that an instance row was tested for the presence
  of a specific status even before this row had appeared. This (slow
  Nova response) could happen, but it shouldn't cause tests to fail.

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