From: Alfredo Deza <adeza@redhat.com>
Date: Fri, 1 Dec 2017 18:53:39 +0000 (-0500)
Subject: ceph-volume tests verify proper formatting of RuntimeError on vg/lv error
X-Git-Tag: v12.2.3~245^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F19527%2Fhead;p=ceph.git

ceph-volume tests verify proper formatting of RuntimeError on vg/lv error

Signed-off-by: Alfredo Deza <adeza@redhat.com>
(cherry picked from commit d7320313a15ad8bb948e501382269c8f33a8cb70)
---

diff --git a/src/ceph-volume/ceph_volume/tests/devices/lvm/test_prepare.py b/src/ceph-volume/ceph_volume/tests/devices/lvm/test_prepare.py
index c69394fd6947..d46d33ac8f65 100644
--- a/src/ceph-volume/ceph_volume/tests/devices/lvm/test_prepare.py
+++ b/src/ceph-volume/ceph_volume/tests/devices/lvm/test_prepare.py
@@ -22,6 +22,15 @@ class TestLVM(object):
         assert 'Format an LVM device' in stdout
 
 
+class TestPrepareDevice(object):
+
+    def test_cannot_use_device(self):
+        with pytest.raises(RuntimeError) as error:
+            lvm.prepare.Prepare([]).prepare_device(
+                    '/dev/var/foo', 'data', 'asdf', '0')
+        assert 'Cannot use device (/dev/var/foo)' in str(error)
+        assert 'A vg/lv path or an existing device is needed' in str(error)
+
 class TestPrepare(object):
 
     def test_main_spits_help_with_no_arguments(self, capsys):