Add tests for service_type API's new policy rules

Related-blueprint: bp/secure-rbac-roles
Change-Id: I0cbe260fc786d00b014c804ae74d99c8f9685e88

neutron/tests/unit/conf/policies/test_service_type.py

@@ -0,0 +1,70 @@
+# Copyright (c) 2021 Red Hat Inc.
+#
+# 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 neutron import policy
+from neutron.tests.unit.conf.policies import base
+
+
+class ServiceTypeAPITestCase(base.PolicyBaseTestCase):
+
+    def setUp(self):
+        super(ServiceTypeAPITestCase, self).setUp()
+        self.target = {}
+
+
+class SystemAdminTests(ServiceTypeAPITestCase):
+
+    def setUp(self):
+        super(SystemAdminTests, self).setUp()
+        self.context = self.system_admin_ctx
+
+    def test_get_service_provider(self):
+        self.assertTrue(
+            policy.enforce(self.context, 'get_service_provider', self.target))
+
+
+class SystemMemberTests(SystemAdminTests):
+
+    def setUp(self):
+        super(SystemMemberTests, self).setUp()
+        self.context = self.system_member_ctx
+
+
+class SystemReaderTests(SystemMemberTests):
+
+    def setUp(self):
+        super(SystemReaderTests, self).setUp()
+        self.context = self.system_reader_ctx
+
+
+class ProjectAdminTests(SystemAdminTests):
+
+    def setUp(self):
+        super(ProjectAdminTests, self).setUp()
+        self.context = self.project_admin_ctx
+
+
+class ProjectMemberTests(ProjectAdminTests):
+
+    def setUp(self):
+        super(ProjectMemberTests, self).setUp()
+        self.context = self.project_member_ctx
+
+
+class ProjectReaderTests(ProjectMemberTests):
+
+    def setUp(self):
+        super(ProjectReaderTests, self).setUp()
+        self.context = self.project_reader_ctx