Cinder tests - Volume Extend

Volume RBAC tests for cinder volume extension

Implements bp: initial-tests-volume
Co-Authored-By: Anthony Bellino <ab2434@att.com>

Change-Id: Id9ed7a233ced1b6ce3eb0ddcd3c4f44710c79a8b
diff --git a/patrole_tempest_plugin/tests/api/volume/test_volumes_extend_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_volumes_extend_rbac.py
new file mode 100644
index 0000000..87e98e2
--- /dev/null
+++ b/patrole_tempest_plugin/tests/api/volume/test_volumes_extend_rbac.py
@@ -0,0 +1,52 @@
+# Copyright 2017 AT&T 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.
+
+from tempest.common import waiters
+from tempest import config
+from tempest.lib import decorators
+
+from patrole_tempest_plugin import rbac_rule_validation
+from patrole_tempest_plugin.rbac_utils import rbac_utils
+from patrole_tempest_plugin.tests.api.volume import rbac_base
+
+CONF = config.CONF
+
+
+class VolumesExtendRbacTest(rbac_base.BaseVolumeRbacTest):
+
+    def tearDown(self):
+        rbac_utils.switch_role(self, switchToRbacRole=False)
+        super(VolumesExtendRbacTest, self).tearDown()
+
+    @classmethod
+    def resource_setup(cls):
+        super(VolumesExtendRbacTest, cls).resource_setup()
+        # Create a test shared volume for tests
+        cls.volume = cls.create_volume()
+
+    @rbac_rule_validation.action(service="cinder", rule="volume:extend")
+    @decorators.idempotent_id('1627b065-4081-4e14-8340-8e4fb02ceaf2')
+    def test_volume_extend(self):
+        # Extend volume test
+        extend_size = int(self.volume['size']) + 1
+        rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.volumes_client.extend_volume(self.volume['id'],
+                                          new_size=extend_size)
+        waiters.wait_for_volume_status(self.volumes_client, self.volume['id'],
+                                       'available')
+
+
+class VolumesExtendV3RbacTest(VolumesExtendRbacTest):
+    _api_version = 3