def test_disk_to_byid_path(self, mock_byid):
""" disk_to_byid path returns a /dev/disk/by-id path """
mapping = {
'/dev/sda': '/dev/disk/by-id/scsi-abcdef',
}
mock_byid.return_value = mapping
byid_path = block.disk_to_byid_path('/dev/sda')
self.assertEqual(mapping['/dev/sda'], byid_path)
def test_disk_to_byid_path_notfound(self, mock_byid):
""" disk_to_byid path returns None for not found devices """
mapping = {
'/dev/sda': '/dev/disk/by-id/scsi-abcdef',
}
mock_byid.return_value = mapping
byid_path = block.disk_to_byid_path('/dev/sdb')
self.assertEqual(mapping.get('/dev/sdb'), byid_path)
def test_disk_to_byid_returns_none_if_disk_byid_missing(self, m_exists):
""" disk_to_byid path returns None if /dev/disk/by-id is missing """
m_exists.return_value = False
self.assertEqual(None, block.disk_to_byid_path('/dev/sdb'))
