add test to excercise udevadm usage.

1 files changed, 22 insertions, 0 deletions

diff --git a/tests/unittests/test_datasource/test_altcloud.py b/tests/unittests/test_datasource/test_altcloud.py
index b828711c..54e152e9 100644
--- a/tests/unittests/test_datasource/test_altcloud.py
+++ b/tests/unittests/test_datasource/test_altcloud.py
@@ -291,6 +291,8 @@ class TestUserDataRhevm(TestCase):
             '/etc/sysconfig/cloud-info'
         cloudinit.sources.DataSourceAltCloud.CMD_PROBE_FLOPPY = \
             ['/sbin/modprobe', 'floppy']
+        cloudinit.sources.DataSourceAltCloud.CMD_UDEVADM_SETTLE = \
+            ['/sbin/udevadm', 'settle', '--quiet', '--timeout=5']
 
     def test_mount_cb_fails(self):
         '''Test user_data_rhevm() where mount_cb fails'''
@@ -322,6 +324,26 @@ class TestUserDataRhevm(TestCase):
 
         self.assertEquals(False, dsrc.user_data_rhevm())
 
+    def test_udevadm_fails(self):
+        '''Test user_data_rhevm() where udevadm fails. '''
+
+        cloudinit.sources.DataSourceAltCloud.CMD_UDEVADM_SETTLE = \
+            ['ls', 'udevadm floppy']
+
+        dsrc = DataSourceAltCloud({}, None, self.paths)
+
+        self.assertEquals(False, dsrc.user_data_rhevm())
+
+    def test_no_udevadm_cmd(self):
+        '''Test user_data_rhevm() with no udevadm command. '''
+
+        cloudinit.sources.DataSourceAltCloud.CMD_UDEVADM_SETTLE = \
+            ['bad command', 'udevadm floppy']
+
+        dsrc = DataSourceAltCloud({}, None, self.paths)
+
+        self.assertEquals(False, dsrc.user_data_rhevm())
+
 class TestUserDataVsphere(TestCase):
     '''
     Test to exercise method: DataSourceAltCloud.user_data_vsphere()