ceph-volume tests add mapper test for dm paths

Signed-off-by: Alfredo Deza <adeza@redhat.com>
(cherry picked from commit 9ebf7d7631be362e6a26af19225bfc07ec48138d)

diff --git a/src/ceph-volume/ceph_volume/tests/util/test_device.py b/src/ceph-volume/ceph_volume/tests/util/test_device.py
index 99e1d494c30f125a8cfd3f3615c3d4cc2587d4ad..bbb9e89b232b0d76b14db200bd04bf7ea9601772 100644 (file)
--- a/src/ceph-volume/ceph_volume/tests/util/test_device.py
+++ b/src/ceph-volume/ceph_volume/tests/util/test_device.py
@@ -51,6 +51,11 @@ class TestDevice(object):
         disk = device.Device("/dev/mapper/foo")
         assert disk.is_mapper
 
+    def test_dm_is_mapper_device(self, device_info):
+        device_info()
+        disk = device.Device("/dev/dm-4")
+        assert disk.is_mapper
+
     def test_is_not_mapper_device(self, device_info):
         device_info()
         disk = device.Device("/dev/sda")