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✏️ Editing: test_fixed_offset.py

# Copyright (c) 2014, Menno Smits
# Released subject to the New BSD License
# Please see http://en.wikipedia.org/wiki/BSD_licenses

from __future__ import unicode_literals

from datetime import timedelta
from mock import Mock, patch, DEFAULT
from imapclient.test.util import unittest
from imapclient.fixed_offset import FixedOffset

class TestFixedOffset(unittest.TestCase):

def _check(self, offset, expected_delta, expected_name):
        self.assertEqual(offset.utcoffset(None), expected_delta)
        self.assertEqual(offset.tzname(None), expected_name)
        self.assertEqual(offset.dst(None), timedelta(0))

def test_GMT(self):
        self._check(FixedOffset(0),
                    timedelta(0), '+0000')

def test_positive(self):
        self._check(FixedOffset(30),
                    timedelta(minutes=30), '+0030')
        self._check(FixedOffset(2 * 60),
                    timedelta(hours=2), '+0200')
        self._check(FixedOffset(11 * 60 + 30),
                    timedelta(hours=11, minutes=30), '+1130')

def test_negative(self):
        self._check(FixedOffset(-30),
                    timedelta(minutes=-30), '-0030')
        self._check(FixedOffset(-2 * 60),
                    timedelta(hours=-2), '-0200')
        self._check(FixedOffset(-11 * 60 - 30),
                    timedelta(minutes=(-11 * 60) - 30), '-1130')

@patch.multiple('imapclient.fixed_offset.time',
                    daylight=True, timezone=15 * 60 * 60, localtime=DEFAULT)
    def test_for_system_DST_not_active(self, localtime):
        localtime_mock = Mock()
        localtime_mock.tm_isdst = False
        localtime.return_value = localtime_mock

offset = FixedOffset.for_system()
        self.assertEqual(offset.tzname(None), '-1500')

@patch.multiple('imapclient.fixed_offset.time',
                    daylight=True, altzone=15 * 60 * 60, localtime=DEFAULT)
    def test_for_system_DST_active(self, localtime):
        localtime_mock = Mock()
        localtime_mock.tm_isdst = True
        localtime.return_value = localtime_mock

offset = FixedOffset.for_system()
        self.assertEqual(offset.tzname(None), '-1500')

@patch.multiple('imapclient.fixed_offset.time',
                    daylight=False, timezone=-15 * 60 * 60)
    def test_for_system_no_DST(self):
        offset = FixedOffset.for_system()
        self.assertEqual(offset.tzname(None), '+1500')

if __name__ == '__main__':
    unittest.main()

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