diff --git a/tempest/api/compute/v3/test_extensions.py b/tempest/api/compute/v3/test_extensions.py
new file mode 100644
index 0000000..8f1e446
--- /dev/null
+++ b/tempest/api/compute/v3/test_extensions.py
@@ -0,0 +1,35 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2012 OpenStack Foundation
+# 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.
+
+
+from tempest.api.compute import base
+from tempest.test import attr
+
+
+class ExtensionsTestJSON(base.BaseV2ComputeTest):
+    _interface = 'json'
+
+    @attr(type='gate')
+    def test_list_extensions(self):
+        # List of all extensions
+        resp, extensions = self.extensions_client.list_extensions()
+        self.assertIn("extensions", extensions)
+        self.assertEqual(200, resp.status)
+
+
+class ExtensionsTestXML(ExtensionsTestJSON):
+    _interface = 'xml'
diff --git a/tempest/services/compute/v3/json/extensions_client.py b/tempest/services/compute/v3/json/extensions_client.py
new file mode 100644
index 0000000..ce46a9b
--- /dev/null
+++ b/tempest/services/compute/v3/json/extensions_client.py
@@ -0,0 +1,39 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2012 OpenStack Foundation
+# 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 json
+
+from tempest.common.rest_client import RestClient
+
+
+class ExtensionsClientJSON(RestClient):
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        super(ExtensionsClientJSON, self).__init__(config, username, password,
+                                                   auth_url, tenant_name)
+        self.service = self.config.compute.catalog_type
+
+    def list_extensions(self):
+        url = 'extensions'
+        resp, body = self.get(url)
+        body = json.loads(body)
+        return resp, body
+
+    def is_enabled(self, extension):
+        _, extensions = self.list_extensions()
+        exts = extensions['extensions']
+        return any([e for e in exts if e['name'] == extension])
diff --git a/tempest/services/compute/v3/xml/extensions_client.py b/tempest/services/compute/v3/xml/extensions_client.py
new file mode 100644
index 0000000..1395b5a
--- /dev/null
+++ b/tempest/services/compute/v3/xml/extensions_client.py
@@ -0,0 +1,45 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2012 OpenStack Foundation
+# 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.
+
+from lxml import etree
+from tempest.common.rest_client import RestClientXML
+from tempest.services.compute.xml.common import xml_to_json
+
+
+class ExtensionsClientXML(RestClientXML):
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        super(ExtensionsClientXML, self).__init__(config, username, password,
+                                                  auth_url, tenant_name)
+        self.service = self.config.compute.catalog_type
+
+    def _parse_array(self, node):
+        array = []
+        for child in node:
+            array.append(xml_to_json(child))
+        return array
+
+    def list_extensions(self):
+        url = 'extensions'
+        resp, body = self.get(url, self.headers)
+        body = self._parse_array(etree.fromstring(body))
+        return resp, {'extensions': body}
+
+    def is_enabled(self, extension):
+        _, extensions = self.list_extensions()
+        exts = extensions['extensions']
+        return any([e for e in exts if e['name'] == extension])