[Zope3-checkins] CVS: Zope3/src/zope/app/tests - test_tzinfo.py:1.1

[Jim Fulton]

Update of /cvs-repository/Zope3/src/zope/app/tests
In directory cvs.zope.org:/tmp/cvs-serv25358/src/zope/app/tests

Added Files:
	test_tzinfo.py 
Log Message:
Made zope.appp.datetimeutils.tzinfo objects pickleable.

Also arranged that there would be only one tzinfo object for a 
given offset.


=== Added File Zope3/src/zope/app/tests/test_tzinfo.py ===
##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""XXX short summary goes here.

XXX longer description goes here.

$Id: test_tzinfo.py,v 1.1 2003/01/09 18:29:49 jim Exp $
"""

from unittest import TestCase, TestSuite, main, makeSuite
import pickle
import datetime

from zope.app.datetimeutils import tzinfo
class Test(TestCase):

    def test(self):

        for minutes in 1439, 600, 1, 0, -1, -600, -1439:
            info1 = tzinfo(minutes)
            info2 = tzinfo(minutes)
            
            self.assertEqual(info1, info2)
            self.assert_(info1 is info2)
            self.assert_(pickle.loads(pickle.dumps(info1)) is info1)

        
            self.assertEqual(info1.utcoffset(None),
                             datetime.timedelta(minutes=minutes))

            self.assertEqual(info1.dst(None), None)
            self.assertEqual(info1.tzname(None), None)

        for minutes in 900000, 1440*60, -1440*60, -900000:
            self.assertRaises(ValueError, tzinfo, minutes)
        


def test_suite():
    return TestSuite((
        makeSuite(Test),
        ))

if __name__=='__main__':
    main(defaultTest='test_suite')