def test_parse_block_device(self): self.assertTrue(cinder_utils._parse_block_device(None), (None, 0)) self.assertTrue(cinder_utils._parse_block_device('fakevdc'), ('/dev/fakevdc', 0)) self.assertTrue(cinder_utils._parse_block_device('/dev/fakevdc'), ('/dev/fakevdc', 0)) self.assertTrue(cinder_utils._parse_block_device('/dev/fakevdc'), ('/dev/fakevdc', 0)) self.assertTrue(cinder_utils._parse_block_device('/mnt/loop0|10'), ('/mnt/loop0', 10)) self.assertTrue(cinder_utils._parse_block_device('/mnt/loop0'), ('/mnt/loop0', cinder_utils.DEFAULT_LOOPBACK_SIZE))