def test_db_with_vg(self):
     result = ceph_volume.get_db("db-lv", "db-vg")
     assert result == "db-vg/db-lv"
 def test_db_no_vg(self):
     result = ceph_volume.get_db("/dev/sda1", None)
     assert result == "/dev/sda1"