Fixed #12123 -- Updated the utils.dateformat test to be a unittest too, due to...

"""

>>> from datetime import datetime, date

>>> from django.utils.dateformat import format

>>> from django.utils.tzinfo import FixedOffset, LocalTimezone

import os

from unittest import TestCase

from datetime import datetime, date

from django.utils.dateformat import format

from django.utils.tzinfo import FixedOffset, LocalTimezone

# date

>>> d = date(2009, 5, 16)

>>> date.fromtimestamp(int(format(d, 'U'))) == d

True

class DateFormatTests(TestCase):

    def setUp(self):

        self.old_TZ = os.environ['TZ']

        os.environ['TZ'] = 'Europe/Copenhagen'

# Naive datetime

>>> dt = datetime(2009, 5, 16, 5, 30, 30)

>>> datetime.fromtimestamp(int(format(dt, 'U'))) == dt

True

    def tearDown(self):

        os.environ['TZ'] = self.old_TZ

# datetime with local tzinfo

>>> ltz = LocalTimezone(datetime.now())

>>> dt = datetime(2009, 5, 16, 5, 30, 30, tzinfo=ltz)

>>> datetime.fromtimestamp(int(format(dt, 'U')), ltz) == dt

True

>>> datetime.fromtimestamp(int(format(dt, 'U'))) == dt.replace(tzinfo=None)

True

    def test_date(self):

        d = date(2009, 5, 16)

        self.assertEquals(date.fromtimestamp(int(format(d, 'U'))), d)

# datetime with arbitrary tzinfo

>>> tz = FixedOffset(-510)

>>> ltz = LocalTimezone(datetime.now())

>>> dt = datetime(2009, 5, 16, 5, 30, 30, tzinfo=tz)

>>> datetime.fromtimestamp(int(format(dt, 'U')), tz) == dt

True

>>> datetime.fromtimestamp(int(format(dt, 'U')), ltz) == dt

True

>>> datetime.fromtimestamp(int(format(dt, 'U'))) == dt.astimezone(ltz).replace(tzinfo=None)

True

>>> datetime.fromtimestamp(int(format(dt, 'U')), tz).utctimetuple() == dt.utctimetuple()

True

>>> datetime.fromtimestamp(int(format(dt, 'U')), ltz).utctimetuple() == dt.utctimetuple()

True

    def test_naive_datetime(self):

        dt = datetime(2009, 5, 16, 5, 30, 30)

        self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U'))), dt)

# Epoch

>>> utc = FixedOffset(0)

>>> udt = datetime(1970, 1, 1, tzinfo=utc)

>>> format(udt, 'U')

u'0'

"""

    def test_datetime_with_local_tzinfo(self):

        ltz = LocalTimezone(datetime.now())

        dt = datetime(2009, 5, 16, 5, 30, 30, tzinfo=ltz)

        self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), ltz), dt)

        self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U'))), dt.replace(tzinfo=None))

if __name__ == "__main__":

    import doctest

    doctest.testmod()

    def test_datetime_with_tzinfo(self):

        tz = FixedOffset(-510)

        ltz = LocalTimezone(datetime.now())

        dt = datetime(2009, 5, 16, 5, 30, 30, tzinfo=tz)

        self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), tz), dt)

        self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), ltz), dt)

        self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U'))), dt.astimezone(ltz).replace(tzinfo=None))

        self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), tz).utctimetuple(), dt.utctimetuple())

        self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), ltz).utctimetuple(), dt.utctimetuple())

    def test_epoch(self):

        utc = FixedOffset(0)

        udt = datetime(1970, 1, 1, tzinfo=utc)

        self.assertEquals(format(udt, 'U'), u'0')

__test__ = {

    'timesince': timesince,

    'datastructures': datastructures,

    'dateformat': dateformat,

    'itercompat': itercompat,

}

from dateformat import *

class TestUtilsHtml(TestCase):

    def check_output(self, function, value, output=None):