diff --git a/test_cli.py b/test_cli.py
new file mode 100644
index 0000000..1fd5ccb
--- /dev/null
+++ b/test_cli.py
@@ -0,0 +1,59 @@
+# Copyright 2014 IBM Corp.
+#
+#    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 testtools
+
+from tempest import cli
+from tempest import exceptions
+from tempest.tests import base
+
+
+class TestMinClientVersion(base.TestCase):
+    """Tests for the min_client_version decorator.
+    """
+
+    def _test_min_version(self, required, installed, expect_skip):
+
+        @cli.min_client_version(client='nova', version=required)
+        def fake(self, expect_skip):
+            if expect_skip:
+                # If we got here, the decorator didn't raise a skipException as
+                # expected so we need to fail.
+                self.fail('Should not have gotten past the decorator.')
+
+        with mock.patch.object(cli, 'execute',
+                               return_value=installed) as mock_cmd:
+            if expect_skip:
+                self.assertRaises(testtools.TestCase.skipException, fake,
+                                  self, expect_skip)
+            else:
+                fake(self, expect_skip)
+            mock_cmd.assert_called_once_with('nova', '', params='--version',
+                                             merge_stderr=True)
+
+    def test_min_client_version(self):
+        # required, installed, expect_skip
+        cases = (('2.17.0', '2.17.0', False),
+                 ('2.17.0', '2.18.0', False),
+                 ('2.18.0', '2.17.0', True))
+
+        for case in cases:
+            self._test_min_version(*case)
+
+    @mock.patch.object(cli, 'execute', return_value=' ')
+    def test_check_client_version_empty_output(self, mock_execute):
+        # Tests that an exception is raised if the command output is empty.
+        self.assertRaises(exceptions.TempestException,
+                          cli.check_client_version, 'nova', '2.18.0')