fix up assertEqual(None...) check to catch more cases
To finally close out bug #1280522 it turned out that our hacking check to eliminate assertEqual(None, ...) was pretty sub optimal. The perfect fix would actually use the tokenizer, however this is a better regex which catches a few more missing bits in our codebase. It's probably close enough for most of what we need. Fix the relevant tests that would fail the updating hacking check. Change-Id: Ic8cb1192e001409d827c8da55fe536681895944b Closes-Bug: #1280522
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@ -51,9 +51,9 @@ asse_equal_type_re = re.compile(
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r"(.)*assertEqual\(type\((\w|\.|\'|\"|\[|\])+\), "
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"(\w|\.|\'|\"|\[|\])+\)")
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asse_equal_end_with_none_re = re.compile(
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r"(.)*assertEqual\((\w|\.|\'|\"|\[|\])+, None\)")
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r"assertEqual\(.*?,\s+None\)$")
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asse_equal_start_with_none_re = re.compile(
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r"(.)*assertEqual\(None, (\w|\.|\'|\"|\[|\])+\)")
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r"assertEqual\(None,")
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conf_attribute_set_re = re.compile(r"CONF\.[a-z0-9_.]+\s*=\s*\w")
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log_translation = re.compile(
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r"(.)*LOG\.(audit|error|info|warn|warning|critical|exception)\(\s*('|\")")
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@ -250,8 +250,8 @@ def assert_equal_none(logical_line):
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N318
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"""
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res = (asse_equal_start_with_none_re.match(logical_line) or
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asse_equal_end_with_none_re.match(logical_line))
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res = (asse_equal_start_with_none_re.search(logical_line) or
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asse_equal_end_with_none_re.search(logical_line))
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if res:
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yield (0, "N318: assertEqual(A, None) or assertEqual(None, A) "
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"sentences not allowed")
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@ -125,7 +125,7 @@ class RequestTest(test.NoDBTestCase):
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compute_nodes[1])
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self.assertEqual(request.get_db_compute_node('id2'),
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compute_nodes[2])
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self.assertEqual(request.get_db_compute_node('id3'), None)
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self.assertIsNone(request.get_db_compute_node('id3'))
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self.assertEqual(request.get_db_compute_nodes(),
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{'id0': compute_nodes[0],
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'id1': compute_nodes[1],
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@ -517,7 +517,7 @@ class ApiTestCase(test.TestCase):
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@mock.patch('nova.objects.FixedIP.get_by_floating_address')
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def test_get_instance_by_floating_address_none(self, mock_get_by_floating):
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mock_get_by_floating.return_value = None
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self.assertEqual(None,
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self.assertIsNone(
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self.network_api.get_instance_id_by_floating_address(
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self.context, mock.sentinel.floating))
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mock_get_by_floating.assert_called_once_with(self.context,
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@ -237,7 +237,7 @@ class PciDeviceStatsWithTagsTestCase(test.NoDBTestCase):
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pci_dev_obj = objects.PciDevice.create(pci_dev)
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self.pci_stats.add_device(pci_dev_obj)
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# There should be no change
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self.assertEqual(None,
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self.assertIsNone(
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self.pci_stats._create_pool_keys_from_dev(pci_dev_obj))
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self._assertPools()
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@ -253,7 +253,7 @@ class PciDeviceStatsWithTagsTestCase(test.NoDBTestCase):
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pci_dev_obj = objects.PciDevice.create(pci_dev)
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self.pci_stats.remove_device(pci_dev_obj)
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# There should be no change
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self.assertEqual(None,
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self.assertIsNone(
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self.pci_stats._create_pool_keys_from_dev(pci_dev_obj))
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self._assertPools()
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@ -725,10 +725,10 @@ class LibvirtBlockInfoTest(test.TestCase):
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self.assertEqual('/dev/vda', blockinfo.get_device_name(driver_bdm))
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bdm_obj.device_name = None
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self.assertEqual(None, blockinfo.get_device_name(bdm_obj))
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self.assertIsNone(blockinfo.get_device_name(bdm_obj))
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driver_bdm = driver_block_device.DriverVolumeBlockDevice(bdm_obj)
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self.assertEqual(None, blockinfo.get_device_name(driver_bdm))
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self.assertIsNone(blockinfo.get_device_name(driver_bdm))
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@mock.patch('nova.virt.libvirt.blockinfo.find_disk_dev_for_disk_bus',
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return_value='vda')
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@ -1287,6 +1287,6 @@ class UtilTestCase(test.NoDBTestCase):
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def test_get_hw_disk_discard(self):
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self.assertEqual('unmap', imagebackend.get_hw_disk_discard("unmap"))
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self.assertEqual('ignore', imagebackend.get_hw_disk_discard("ignore"))
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self.assertEqual(None, imagebackend.get_hw_disk_discard(None))
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self.assertIsNone(imagebackend.get_hw_disk_discard(None))
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self.assertRaises(RuntimeError, imagebackend.get_hw_disk_discard,
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"fake")
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@ -37,9 +37,8 @@ class SROps(stubs.XenAPITestBaseNoDB):
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self.session = mock.Mock()
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self.session.XenAPI.Failure = UUIDException
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self.session.call_xenapi.side_effect = UUIDException
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self.assertEqual(volume_utils.find_sr_by_uuid(self.session,
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'sr_uuid'),
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None)
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self.assertIsNone(
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volume_utils.find_sr_by_uuid(self.session, 'sr_uuid'))
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def test_find_sr_from_vdi(self):
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vdi_ref = 'fake-ref'
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@ -81,11 +80,9 @@ class ISCSIParametersTestCase(stubs.XenAPITestBaseNoDB):
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'host')
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# There is no default value
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self.assertEqual(volume_utils._get_target_host(':port'),
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None)
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self.assertIsNone(volume_utils._get_target_host(':port'))
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self.assertEqual(volume_utils._get_target_host(None),
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None)
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self.assertIsNone(volume_utils._get_target_host(None))
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def test_target_port(self):
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self.assertEqual(volume_utils._get_target_port('host:port'),
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