diff --git a/tempest/tests/test_commands.py b/tempest/tests/test_commands.py
new file mode 100644
index 0000000..bdb9269
--- /dev/null
+++ b/tempest/tests/test_commands.py
@@ -0,0 +1,87 @@
+# Copyright 2014 NEC Corporation.  All rights reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import mock
+import subprocess
+
+from tempest.common import commands
+from tempest.tests import base
+
+
+class TestCommands(base.TestCase):
+
+    def setUp(self):
+        super(TestCommands, self).setUp()
+        self.subprocess_args = {'stdout': subprocess.PIPE,
+                                'stderr': subprocess.STDOUT}
+
+    @mock.patch('subprocess.Popen')
+    def test_ip_addr_raw(self, mock):
+        expected = ['/usr/bin/sudo', '-n', 'ip', 'a']
+        commands.ip_addr_raw()
+        mock.assert_called_once_with(expected, **self.subprocess_args)
+
+    @mock.patch('subprocess.Popen')
+    def test_ip_route_raw(self, mock):
+        expected = ['/usr/bin/sudo', '-n', 'ip', 'r']
+        commands.ip_route_raw()
+        mock.assert_called_once_with(expected, **self.subprocess_args)
+
+    @mock.patch('subprocess.Popen')
+    def test_ip_ns_raw(self, mock):
+        expected = ['/usr/bin/sudo', '-n', 'ip', 'netns', 'list']
+        commands.ip_ns_raw()
+        mock.assert_called_once_with(expected, **self.subprocess_args)
+
+    @mock.patch('subprocess.Popen')
+    def test_iptables_raw(self, mock):
+        table = 'filter'
+        expected = ['/usr/bin/sudo', '-n', 'iptables', '-v', '-S', '-t',
+                    '%s' % table]
+        commands.iptables_raw(table)
+        mock.assert_called_once_with(expected, **self.subprocess_args)
+
+    @mock.patch('subprocess.Popen')
+    def test_ip_ns_list(self, mock):
+        expected = ['/usr/bin/sudo', '-n', 'ip', 'netns', 'list']
+        commands.ip_ns_list()
+        mock.assert_called_once_with(expected, **self.subprocess_args)
+
+    @mock.patch('subprocess.Popen')
+    def test_ip_ns_addr(self, mock):
+        ns_list = commands.ip_ns_list()
+        for ns in ns_list:
+            expected = ['/usr/bin/sudo', '-n', 'ip', 'netns', 'exec', ns,
+                        'ip', 'a']
+            commands.ip_ns_addr(ns)
+            mock.assert_called_once_with(expected, **self.subprocess_args)
+
+    @mock.patch('subprocess.Popen')
+    def test_ip_ns_route(self, mock):
+        ns_list = commands.ip_ns_list()
+        for ns in ns_list:
+            expected = ['/usr/bin/sudo', '-n', 'ip', 'netns', 'exec', ns,
+                        'ip', 'r']
+            commands.ip_ns_route(ns)
+            mock.assert_called_once_with(expected, **self.subprocess_args)
+
+    @mock.patch('subprocess.Popen')
+    def test_iptables_ns(self, mock):
+        table = 'filter'
+        ns_list = commands.ip_ns_list()
+        for ns in ns_list:
+            expected = ['/usr/bin/sudo', '-n', 'ip', 'netns', 'exec', ns,
+                        'iptables', '-v', '-S', '-t', table]
+            commands.iptables_ns(ns, table)
+            mock.assert_called_once_with(expected, **self.subprocess_args)