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	For more information on this project, see this thread: http://groups.google.com/group/django-developers/browse_thread/thread/cf0423bbb85b1bbf git-svn-id: http://code.djangoproject.com/svn/django/trunk@17106 bcc190cf-cafb-0310-a4f2-bffc1f526a37
		
			
				
	
	
		
			80 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import copy
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| import datetime
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| import os
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| import pickle
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| import time
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| from django.utils.tzinfo import FixedOffset, LocalTimezone
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| from django.utils import unittest
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| 
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| class TzinfoTests(unittest.TestCase):
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| 
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|     @classmethod
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|     def setUpClass(cls):
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|         cls.old_TZ = os.environ.get('TZ')
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|         os.environ['TZ'] = 'US/Eastern'
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| 
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|         try:
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|             # Check if a timezone has been set
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|             time.tzset()
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|             cls.tz_tests = True
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|         except AttributeError:
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|             # No timezone available. Don't run the tests that require a TZ
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|             cls.tz_tests = False
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| 
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|     @classmethod
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|     def tearDownClass(cls):
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|         if cls.old_TZ is None:
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|             del os.environ['TZ']
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|         else:
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|             os.environ['TZ'] = cls.old_TZ
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| 
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|         # Cleanup - force re-evaluation of TZ environment variable.
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|         if cls.tz_tests:
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|             time.tzset()
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| 
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|     def test_fixedoffset(self):
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|         self.assertEqual(repr(FixedOffset(0)), '+0000')
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|         self.assertEqual(repr(FixedOffset(60)), '+0100')
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|         self.assertEqual(repr(FixedOffset(-60)), '-0100')
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|         self.assertEqual(repr(FixedOffset(280)), '+0440')
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|         self.assertEqual(repr(FixedOffset(-280)), '-0440')
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|         self.assertEqual(repr(FixedOffset(-78.4)), '-0118')
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|         self.assertEqual(repr(FixedOffset(78.4)), '+0118')
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|         self.assertEqual(repr(FixedOffset(-5.5*60)), '-0530')
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|         self.assertEqual(repr(FixedOffset(5.5*60)), '+0530')
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|         self.assertEqual(repr(FixedOffset(-.5*60)), '-0030')
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|         self.assertEqual(repr(FixedOffset(.5*60)), '+0030')
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| 
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|     def test_16899(self):
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|         if not self.tz_tests:
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|             return
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|         ts = 1289106000
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|         # Midnight at the end of DST in US/Eastern: 2010-11-07T05:00:00Z
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|         dt = datetime.datetime.utcfromtimestamp(ts)
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|         # US/Eastern -- we force its representation to "EST"
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|         tz = LocalTimezone(dt + datetime.timedelta(days=1))
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|         self.assertEqual(
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|                 repr(datetime.datetime.fromtimestamp(ts - 3600, tz)),
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|                 'datetime.datetime(2010, 11, 7, 0, 0, tzinfo=EST)')
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|         self.assertEqual(
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|                 repr(datetime.datetime.fromtimestamp(ts, tz)),
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|                 'datetime.datetime(2010, 11, 7, 1, 0, tzinfo=EST)')
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|         self.assertEqual(
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|                 repr(datetime.datetime.fromtimestamp(ts + 3600, tz)),
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|                 'datetime.datetime(2010, 11, 7, 1, 0, tzinfo=EST)')
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| 
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|     def test_copy(self):
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|         now = datetime.datetime.now()
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|         self.assertIsInstance(copy.copy(FixedOffset(90)), FixedOffset)
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|         self.assertIsInstance(copy.copy(LocalTimezone(now)), LocalTimezone)
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| 
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|     def test_deepcopy(self):
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|         now = datetime.datetime.now()
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|         self.assertIsInstance(copy.deepcopy(FixedOffset(90)), FixedOffset)
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|         self.assertIsInstance(copy.deepcopy(LocalTimezone(now)), LocalTimezone)
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| 
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|     def test_pickling_unpickling(self):
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|         now = datetime.datetime.now()
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|         self.assertIsInstance(pickle.loads(pickle.dumps(FixedOffset(90))), FixedOffset)
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|         self.assertIsInstance(pickle.loads(pickle.dumps(LocalTimezone(now))), LocalTimezone)
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