def test_rootdev_from_cmdline_with_root_with_label(self):
"""When cmdline root contains a LABEL, our root is disk/by-label."""
self.assertEqual(
'/dev/disk/by-label/unique',
util.rootdev_from_cmdline('asdf root=LABEL=unique'))
def test_rootdev_from_cmdline_with_root_with_uuid(self):
"""When cmdline root contains a UUID, our root is disk/by-uuid."""
self.assertEqual(
'/dev/disk/by-uuid/adsfdsaf-adsf',
util.rootdev_from_cmdline('asdf root=UUID=adsfdsaf-adsf'))
def test_rootdev_from_cmdline_with_root_startswith_dev(self):
"""Return the cmdline root when the path starts with /dev."""
self.assertEqual(
'/dev/this', util.rootdev_from_cmdline('asdf root=/dev/this'))
def test_rootdev_from_cmdline_with_root_without_dev_prefix(self):
"""Add /dev prefix to cmdline root when the path lacks the prefix."""
self.assertEqual(
'/dev/this', util.rootdev_from_cmdline('asdf root=this'))
def test_rootdev_from_cmdline_with_root_with_uuid(self):
"""When cmdline root contains a UUID, our root is disk/by-uuid."""
self.assertEqual(
'/dev/disk/by-uuid/adsfdsaf-adsf',
util.rootdev_from_cmdline('asdf root=UUID=adsfdsaf-adsf'))
def test_rootdev_from_cmdline_with_root_with_label(self):
"""When cmdline root contains a LABEL, our root is disk/by-label."""
self.assertEqual(
'/dev/disk/by-label/unique',
util.rootdev_from_cmdline('asdf root=LABEL=unique'))
def test_rootdev_from_cmdline_with_root_without_dev_prefix(self):
"""Add /dev prefix to cmdline root when the path lacks the prefix."""
self.assertEqual(
'/dev/this', util.rootdev_from_cmdline('asdf root=this'))
def test_rootdev_from_cmdline_with_root_startswith_dev(self):
"""Return the cmdline root when the path starts with /dev."""
self.assertEqual(
'/dev/this', util.rootdev_from_cmdline('asdf root=/dev/this'))
def test_rootdev_from_cmdline_with_no_root(self):
"""Return None from rootdev_from_cmdline when root is not present."""
invalid_cases = [
'BOOT_IMAGE=/adsf asdfa werasef root adf', 'BOOT_IMAGE=/adsf', '']
for case in invalid_cases:
self.assertIsNone(util.rootdev_from_cmdline(case))
