Object model: require "priority" field

Add tests
Closes-Bug: #1516350

Change-Id: I91ac97f5f6b860f1649b91cf53d9c268c4df0de6

designate/objects/pool_ns_record.py

@@ -32,6 +32,7 @@ class PoolNsRecord(base.DictObjectMixin, base.PersistentObjectMixin,
                 'minimum': 1,
                 'maximum': 10000
             },
+            'required': True
         },
         'hostname': {
             'schema': {

designate/tests/test_api/test_v2/test_pools.py

@@ -307,6 +307,18 @@ class ApiV2PoolsTest(ApiV2TestCase):
                          [n['hostname'] for n in
                           response.json['ns_records']])
 
+    def test_update_pool_ns_records_without_priority(self):
+        pool = self.create_pool()
+        body = {'ns_records': [
+            {'hostname': 'new-ns1.example.org.'},
+            {'hostname': 'new-ns2.example.org.'},
+        ]}
+        url = '/pools/%s' % pool['id']
+        # The missing "apriority" field triggers an object validation error
+        response = self.client.patch_json(url, body, status=400)
+        errmsg = response.json['errors']['errors'][0]['message']
+        self.assertEqual("'priority' is a required property", errmsg)
+
     def test_update_pool_attributes(self):
         # Create a pool
         pool = self.create_pool()

designate/tests/test_central/test_service.py

@@ -2911,6 +2911,15 @@ class CentralServiceTest(CentralTestCase):
         self.assertEqual(set([n.hostname for n in pool.ns_records]),
                          set([n.data for n in ns_recordset.records]))
 
+    def test_update_pool_add_ns_record_without_priority(self):
+        pool = self.create_pool(fixture=0)
+        self.create_zone(pool_id=pool.id)
+        new_ns_record = objects.PoolNsRecord(hostname='ns-new.example.org.')
+        pool.ns_records.append(new_ns_record)
+        # PoolNsRecord without "priority" triggers a DB exception
+        with testtools.ExpectedException(db_exception.DBError):
+            self.central_service.update_pool(self.admin_context, pool)
+
     def test_update_pool_remove_ns_record(self):
         # Create a server pool and zone
         pool = self.create_pool(fixture=0)