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# Copyright (c) 2014, Menno Smits
# Released subject to the New BSD License
# Please see http://en.wikipedia.org/wiki/BSD_licenses
import unittest
from datetime import date, datetime
from unittest.mock import patch
from imapclient.datetime_util import (
datetime_to_INTERNALDATE,
datetime_to_native,
format_criteria_date,
parse_to_datetime,
)
from imapclient.fixed_offset import FixedOffset
class TestParsing(unittest.TestCase):
def check_normalised_and_not(self, in_string, expected_datetime):
self.assertEqual(
parse_to_datetime(in_string), datetime_to_native(expected_datetime)
)
self.assertEqual(
parse_to_datetime(in_string, normalise=False), expected_datetime
)
def test_rfc822_style(self):
self.check_normalised_and_not(
b"Sun, 24 Mar 2013 22:06:10 +0200",
datetime(2013, 3, 24, 22, 6, 10, 0, FixedOffset(120)),
)
def test_internaldate_style(self):
self.check_normalised_and_not(
b" 9-Feb-2007 17:08:08 -0430",
datetime(2007, 2, 9, 17, 8, 8, 0, FixedOffset(-4 * 60 - 30)),
)
self.check_normalised_and_not(
b"19-Feb-2007 17:08:08 0400",
datetime(2007, 2, 19, 17, 8, 8, 0, FixedOffset(4 * 60)),
)
def test_dots_for_time_separator(self):
# As reported in issue #154.
self.check_normalised_and_not(
b"Sat, 8 May 2010 16.03.09 +0200",
datetime(2010, 5, 8, 16, 3, 9, 0, FixedOffset(120)),
)
self.check_normalised_and_not(
b"Tue, 18 May 2010 16.03.09 -0200",
datetime(2010, 5, 18, 16, 3, 9, 0, FixedOffset(-120)),
)
self.check_normalised_and_not(
b"Wednesday,18 August 2010 16.03.09 -0200",
datetime(2010, 8, 18, 16, 3, 9, 0, FixedOffset(-120)),
)
def test_invalid(self):
self.assertRaises(ValueError, parse_to_datetime, b"ABC")
class TestDatetimeToINTERNALDATE(unittest.TestCase):
def test_with_timezone(self):
dt = datetime(2009, 1, 2, 3, 4, 5, 0, FixedOffset(2 * 60 + 30))
self.assertEqual(datetime_to_INTERNALDATE(dt), "02-Jan-2009 03:04:05 +0230")
@patch("imapclient.datetime_util.FixedOffset.for_system")
def test_without_timezone(self, for_system):
dt = datetime(2009, 1, 2, 3, 4, 5, 0)
for_system.return_value = FixedOffset(-5 * 60)
self.assertEqual(datetime_to_INTERNALDATE(dt), "02-Jan-2009 03:04:05 -0500")
class TestCriteriaDateFormatting(unittest.TestCase):
def test_basic(self):
self.assertEqual(format_criteria_date(date(1996, 2, 22)), b"22-Feb-1996")
def test_single_digit_day(self):
self.assertEqual(format_criteria_date(date(1996, 4, 4)), b"04-Apr-1996")
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