def test_conditional_update_negated_non_iterable_expected(self):
volume = self._create_volume()
self.assertTrue(volume.conditional_update(
{'status': 'deleting', 'size': 2},
{'status': db.Not('in-use'), 'size': db.Not(2)}))
# Check that the object in memory has been updated
self._check_volume(volume, 'deleting', 2)
# Check that the volume in the DB also has been updated
self._check_volume(volume, 'deleting', 2, True)
def test_conditional_update_fail_negated_iterable_expected(self):
volume = self._create_volume()
self.assertFalse(volume.conditional_update(
{'status': 'error'},
{'status': db.Not(('available', 'in-use')), 'size': range(2, 10)}))
# Check that the object in memory hasn't changed
self._check_volume(volume, 'available', 1)
# Check that the volume in the DB hasn't changed either
self._check_volume(volume, 'available', 1, True)
def test_conditional_update_fail_negated_non_iterable_expected(self):
volume = self._create_volume()
result = volume.conditional_update({'status': 'deleting'},
{'status': db.Not('in-use'),
'size': 2})
self.assertFalse(result)
# Check that the object in memory hasn't changed
self._check_volume(volume, 'available', 1)
# Check that the volume in the DB hasn't changed either
self._check_volume(volume, 'available', 1, True)
