Add functional regression test for bug 1552888

Add this functional test to avoid further regress issue

Related-Bug: 1552888

Change-Id: I1b8843132394c39324c19bc46dded974625775a9

nova/tests/functional/regressions/test_bug_1552888.py

@@ -0,0 +1,41 @@
+# Copyright 2016 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.
+
+
+from nova import test
+from nova.tests import fixtures as nova_fixtures
+from nova.tests.unit import policy_fixture
+
+
+class TestAggregateCreation(test.TestCase):
+
+    def setUp(self):
+        super(TestAggregateCreation, self).setUp()
+        self.useFixture(policy_fixture.RealPolicyFixture())
+        api_fixture = self.useFixture(nova_fixtures.OSAPIFixture(
+            api_version='v2.1'))
+
+        self.admin_api = api_fixture.admin_api
+
+    def test_name_validation(self):
+        """Regression test for bug #1552888.
+
+        The current aggregate accepts a null param for availablitliy zone,
+        change to the validation might affect some command like
+        'nova aggregate create foo'
+        This test ensure those kind of change won't affect validation
+        """
+        body = {"aggregate": {"name": "foo", "availability_zone": None}}
+        # This should success
+        self.admin_api.api_post('/os-aggregates', body)