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Add tests for time zone parsing, for "HH", "HH:MM" and "HH:MM:SS" forms.

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Currently the second fails for negative offsets due to bugs in the 
parser, and the third fails because it doesn't even try to parse second 
offset values (as Python doesn't either).
This commit is contained in:
James Henstridge 2009-02-17 12:39:57 +09:00
parent 41dd7a1095
commit 3466b3b72d
1 changed files with 39 additions and 0 deletions
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39
tests/test_dates.py
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@ -3,6 +3,7 @@ import math
import unittest
import psycopg2
from psycopg2.tz import FixedOffsetTimezone
import tests
@ -103,6 +104,44 @@ class DatetimeTests(unittest.TestCase, CommonDatetimeTestsMixin):
self.assertEqual(value.second, 29)
self.assertEqual(value.microsecond, 123456)
def check_timezone(self, curs, str_offset, offset):
from datetime import datetime, timedelta
base = datetime(2007, 1, 1, 13, 30, 29)
base_str = '2007-01-01 13:30:29'
value = self.DATETIME(base_str + str_offset, curs)
# tzinfo instance is correct.
self.assertTrue(isinstance(value.tzinfo, FixedOffsetTimezone),
"value's timezone is not a FixedOffsetTimezone")
self.assertEqual(value.tzinfo._offset, timedelta(seconds=offset))
# Datetime is correct.
self.assertEqual(value.replace(tzinfo=None), base)
# Offset from UTC is correct.
UTC = FixedOffsetTimezone(0, "UTC")
value_utc = value.astimezone(UTC).replace(tzinfo=None)
self.assertEqual(base - value_utc, timedelta(seconds=offset))
def test_parse_datetime_timezone_hours(self):
conn = psycopg2.connect(tests.dsn)
curs = conn.cursor()
self.check_timezone(curs, "+01", 3600)
self.check_timezone(curs, "-01", -3600)
def test_parse_datetime_timezone_hours_minutes(self):
conn = psycopg2.connect(tests.dsn)
curs = conn.cursor()
self.check_timezone(curs, "+01:15", 4500)
self.check_timezone(curs, "-01:15", -4500)
def test_parse_datetime_timezone_hours_minutes_seconds(self):
conn = psycopg2.connect(tests.dsn)
curs = conn.cursor()
self.check_timezone(curs, "+01:15:42", 4542)
self.check_timezone(curs, "-01:15:42", -4542)
def test_parse_interval(self):
value = self.INTERVAL('42 days 12:34:56.123456', None)
self.assertNotEqual(value, None)