new_contents: # Licensed to the StackStorm, Inc ('StackStorm') under one or more
  # 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 datetime
  
  import mock
  import unittest2
  
  from st2client.utils.date import add_utc_tz
  from st2client.utils.date import format_dt
  from st2client.utils.date import format_isodate
  from st2client.utils.date import format_isodate_for_user_timezone
  
  
  class DateUtilsTestCase(unittest2.TestCase):
      def test_format_dt(self):
          dt = datetime.datetime(2015, 10, 20, 8, 0, 0)
          dt = add_utc_tz(dt)
          result = format_dt(dt)
          self.assertEqual(result, 'Tue, 20 Oct 2015 08:00:00 UTC')
  
      def test_format_isodate(self):
          # No timezone, defaults to UTC
          value = 'Tue, 20 Oct 2015 08:00:00 UTC'
          result = format_isodate(value=value)
          self.assertEqual(result, 'Tue, 20 Oct 2015 08:00:00 UTC')
  
          # Timezone provided
          value = 'Tue, 20 Oct 2015 08:00:00 UTC'
          result = format_isodate(value=value, timezone='Europe/Ljubljana')
          self.assertEqual(result, 'Tue, 20 Oct 2015 10:00:00 CEST')
  
      @mock.patch('st2client.utils.date.get_config')
      def test_format_isodate_for_user_timezone(self, mock_get_config):
          # No timezone, defaults to UTC
          mock_get_config.return_value = {}
  
          value = 'Tue, 20 Oct 2015 08:00:00 UTC'
          result = format_isodate_for_user_timezone(value=value)
          self.assertEqual(result, 'Tue, 20 Oct 2015 08:00:00 UTC')
  
          # Timezone provided
          mock_get_config.return_value = {'cli': {'timezone': 'Europe/Ljubljana'}}
  
          value = 'Tue, 20 Oct 2015 08:00:00 UTC'
          result = format_isodate_for_user_timezone(value=value)
          self.assertEqual(result, 'Tue, 20 Oct 2015 10:00:00 CEST')
  
subject: Add some tests for utility functions.