old_contents: # contributor license agreements.  See the NOTICE file distributed with
  # this work for additional information regarding copyright ownership.
  # The ASF licenses this file to You 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.
  
  import unittest2
  
  from st2common.models.db.pack import PackDB
  from st2common.models.db.sensor import SensorTypeDB
  from st2common.models.db.action import ActionDB
  from st2common.models.db.rule import RuleDB
  from st2common.models.db.trigger import TriggerTypeDB
  from st2common.models.db.trigger import TriggerDB
  
  __all__ = [
      'DBModelUIDFieldTestCase'
  ]
  
  
  class DBModelUIDFieldTestCase(unittest2.TestCase):
      def test_get_uid(self):
          pack_db = PackDB(ref='ma_pack')
          self.assertEqual(pack_db.get_uid(), 'pack:ma_pack')
  
          sensor_type_db = SensorTypeDB(name='sname', pack='spack')
          self.assertEqual(sensor_type_db.get_uid(), 'sensor_type:spack:sname')
  
          action_db = ActionDB(name='aname', pack='apack', runner_type={})
          self.assertEqual(action_db.get_uid(), 'action:apack:aname')
  
          rule_db = RuleDB(name='rname', pack='rpack')
          self.assertEqual(rule_db.get_uid(), 'rule:rpack:rname')
  
          trigger_type_db = TriggerTypeDB(name='ttname', pack='ttpack')
          self.assertEqual(trigger_type_db.get_uid(), 'trigger_type:ttpack:ttname')
  
          trigger_db = TriggerDB(name='tname', pack='tpack')
          self.assertTrue(trigger_db.get_uid().startswith('trigger:tpack:tname:'))
  
new_contents: # contributor license agreements.  See the NOTICE file distributed with
  # this work for additional information regarding copyright ownership.
  # The ASF licenses this file to You 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.
  
  import json
  import hashlib
  from collections import OrderedDict
  
  import unittest2
  
  from st2common.models.db.pack import PackDB
  from st2common.models.db.sensor import SensorTypeDB
  from st2common.models.db.action import ActionDB
  from st2common.models.db.rule import RuleDB
  from st2common.models.db.trigger import TriggerTypeDB
  from st2common.models.db.trigger import TriggerDB
  
  __all__ = [
      'DBModelUIDFieldTestCase'
  ]
  
  
  class DBModelUIDFieldTestCase(unittest2.TestCase):
      def test_get_uid(self):
          pack_db = PackDB(ref='ma_pack')
          self.assertEqual(pack_db.get_uid(), 'pack:ma_pack')
  
          sensor_type_db = SensorTypeDB(name='sname', pack='spack')
          self.assertEqual(sensor_type_db.get_uid(), 'sensor_type:spack:sname')
  
          action_db = ActionDB(name='aname', pack='apack', runner_type={})
          self.assertEqual(action_db.get_uid(), 'action:apack:aname')
  
          rule_db = RuleDB(name='rname', pack='rpack')
          self.assertEqual(rule_db.get_uid(), 'rule:rpack:rname')
  
          trigger_type_db = TriggerTypeDB(name='ttname', pack='ttpack')
          self.assertEqual(trigger_type_db.get_uid(), 'trigger_type:ttpack:ttname')
  
          trigger_db = TriggerDB(name='tname', pack='tpack')
          self.assertTrue(trigger_db.get_uid().startswith('trigger:tpack:tname:'))
  
          # Verify that same set of parameters always results in the same hash
          parameters = {'a': 1, 'b': 2, 'c': [1, 2, 3], 'd': {'g': 1, 'h': 2}}
          paramers_hash = json.dumps(parameters, sort_keys=True)
          paramers_hash = hashlib.md5(paramers_hash).hexdigest()
  
          parameters = {'a': 1, 'b': 2, 'c': [1, 2, 3], 'd': {'g': 1, 'h': 2}}
          trigger_db = TriggerDB(name='tname', pack='tpack', parameters=parameters)
          self.assertTrue(trigger_db.get_uid().startswith('trigger:tpack:tname:%s' % (paramers_hash)))
  
          parameters = {'c': [1, 2, 3], 'b': 2, 'd': {'h': 2, 'g': 1}, 'a': 1}
          trigger_db = TriggerDB(name='tname', pack='tpack', parameters=parameters)
          self.assertTrue(trigger_db.get_uid().startswith('trigger:tpack:tname:%s' % (paramers_hash)))
  
          parameters = {'b': 2, 'c': [1, 2, 3], 'd': {'h': 2, 'g': 1}, 'a': 1}
          trigger_db = TriggerDB(name='tname', pack='tpack', parameters=parameters)
          self.assertTrue(trigger_db.get_uid().startswith('trigger:tpack:tname:%s' % (paramers_hash)))
  
          parameters = OrderedDict({'c': [1, 2, 3], 'b': 2, 'd': {'h': 2, 'g': 1}, 'a': 1})
          trigger_db = TriggerDB(name='tname', pack='tpack', parameters=parameters)
          self.assertTrue(trigger_db.get_uid().startswith('trigger:tpack:tname:%s' % (paramers_hash)))
  
subject: Add tests for it.