diff -r 000000000000 -r 6474c204b198 testing/mozbase/mozdevice/tests/sut_ip.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing/mozbase/mozdevice/tests/sut_ip.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+#/usr/bin/env python
+import mozdevice
+import mozlog
+import unittest
+from sut import MockAgent
+
+
+class TestGetIP(unittest.TestCase):
+    """ class to test IP methods """
+
+    commands = [('exec ifconfig eth0', 'eth0: ip 192.168.0.1 '
+                 'mask 255.255.255.0 flags [up broadcast running multicast]\n'
+                 'return code [0]'),
+                ('exec ifconfig wlan0', 'wlan0: ip 10.1.39.126\n'
+                 'mask 255.255.0.0 flags [up broadcast running multicast]\n'
+                 'return code [0]'),
+                ('exec ifconfig fake0', '##AGENT-WARNING## [ifconfig] '
+                 'command with arg(s) = [fake0] is currently not implemented.')
+                ]
+
+    def test_getIP_eth0(self):
+        m = MockAgent(self, commands=[self.commands[0]])
+        d = mozdevice.DroidSUT("127.0.0.1", port=m.port, logLevel=mozlog.DEBUG)
+        self.assertEqual('192.168.0.1', d.getIP(interfaces=['eth0']))
+
+    def test_getIP_wlan0(self):
+        m = MockAgent(self, commands=[self.commands[1]])
+        d = mozdevice.DroidSUT("127.0.0.1", port=m.port, logLevel=mozlog.DEBUG)
+        self.assertEqual('10.1.39.126', d.getIP(interfaces=['wlan0']))
+
+    def test_getIP_error(self):
+        m = MockAgent(self, commands=[self.commands[2]])
+        d = mozdevice.DroidSUT("127.0.0.1", port=m.port, logLevel=mozlog.DEBUG)
+        self.assertRaises(mozdevice.DMError, d.getIP, interfaces=['fake0'])
+
+if __name__ == '__main__':
+    unittest.main()