text: # This Source Code Form is subject to the terms of the Mozilla Public
  # License, v. 2.0. If a copy of the MPL was not distributed with this
  # file, You can obtain one at http://mozilla.org/MPL/2.0/.
  
  import datetime
  
  from gaiatest import GaiaTestCase
  from gaiatest.apps.calendar.app import Calendar
  
  
  class TestCalendar(GaiaTestCase):
  
      def setUp(self):
          GaiaTestCase.setUp(self)
  
          self.today = datetime.date.today()
          # Determine the name and the year of the next month
          self.next_month_year = self.today.replace(day=1) + datetime.timedelta(days=32)
  
      def test_calendar_flick_through_months(self):
          # https://bugzilla.mozilla.org/show_bug.cgi?id=937085
  
          MONTH_YEAR_PATTERN = '%B %Y'
  
          calendar = Calendar(self.marionette)
          calendar.launch()
  
          calendar.flick_to_next_month()
          self.assertEquals(self.next_month_year.strftime(MONTH_YEAR_PATTERN),
                            calendar.current_month_year)
  
          calendar.flick_to_previous_month()
          self.assertEquals(self.today.strftime(MONTH_YEAR_PATTERN), calendar.current_month_year)
  