Add capabilities and scheduler stats tests

Adds RBAC tests for the capabilities and scheduler stats clients.

Change-Id: I08bf2539eff08e77c37b83b98da853da71c76f52
diff --git a/patrole_tempest_plugin/tests/api/volume/test_capabilities_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_capabilities_rbac.py
new file mode 100644
index 0000000..28506c0
--- /dev/null
+++ b/patrole_tempest_plugin/tests/api/volume/test_capabilities_rbac.py
@@ -0,0 +1,48 @@
+# 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.lib import decorators
+from tempest import test
+
+from patrole_tempest_plugin import rbac_rule_validation
+from patrole_tempest_plugin.tests.api.volume import rbac_base
+
+
+class CapabilitiesRbacTest(rbac_base.BaseVolumeRbacTest):
+
+    @classmethod
+    def skip_checks(cls):
+        super(CapabilitiesRbacTest, cls).skip_checks()
+        if not test.is_extension_enabled('capabilities', 'volume'):
+            msg = "%s skipped as capabilities not enabled." % cls.__name__
+            raise cls.skipException(msg)
+
+    @classmethod
+    def setup_clients(cls):
+        super(CapabilitiesRbacTest, cls).setup_clients()
+        cls.client = cls.os.volume_capabilities_v2_client
+        cls.hosts_client = cls.os.volume_hosts_v2_client
+
+    @rbac_rule_validation.action(service="cinder",
+                                 rule="volume_extension:capabilities")
+    @decorators.idempotent_id('40928b74-2141-11e7-93ae-92361f002671')
+    def test_show_back_end_capabilities(self):
+        host = self.hosts_client.list_hosts()['hosts'][0]['host_name']
+        self.rbac_utils.switch_role(self, toggle_rbac_role=True)
+        self.client.show_backend_capabilities(host)
+
+
+class CapabilitiesV3RbacTest(CapabilitiesRbacTest):
+    _api_version = 3
diff --git a/patrole_tempest_plugin/tests/api/volume/test_scheduler_stats_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_scheduler_stats_rbac.py
new file mode 100644
index 0000000..bf6290a
--- /dev/null
+++ b/patrole_tempest_plugin/tests/api/volume/test_scheduler_stats_rbac.py
@@ -0,0 +1,47 @@
+# 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.lib import decorators
+from tempest import test
+
+from patrole_tempest_plugin import rbac_rule_validation
+from patrole_tempest_plugin.tests.api.volume import rbac_base
+
+
+class SchedulerStatsRbacTest(rbac_base.BaseVolumeRbacTest):
+
+    @classmethod
+    def skip_checks(cls):
+        super(SchedulerStatsRbacTest, cls).skip_checks()
+        if not test.is_extension_enabled('scheduler-stats', 'volume'):
+            msg = "%s skipped as scheduler-stats not enabled." % cls.__name__
+            raise cls.skipException(msg)
+
+    @classmethod
+    def setup_clients(cls):
+        super(SchedulerStatsRbacTest, cls).setup_clients()
+        cls.client = cls.os.volume_scheduler_stats_v2_client
+
+    @rbac_rule_validation.action(
+        service="cinder",
+        rule="scheduler_extension:scheduler_stats:get_pools")
+    @decorators.idempotent_id('5f800441-4d30-48ec-9e5b-0d55bc86acbb')
+    def test_list_back_end_storage_pools(self):
+        self.rbac_utils.switch_role(self, toggle_rbac_role=True)
+        self.client.list_pools()
+
+
+class SchedulerStatsV3RbacTest(SchedulerStatsRbacTest):
+    _api_version = 3