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Viewing changes to bzrlib/tests/test_timestamp.py

  • Committer: Jelmer Vernooij
  • Date: 2011-11-30 20:02:16 UTC
  • mto: This revision was merged to the branch mainline in revision 6333.
  • Revision ID: jelmer@samba.org-20111130200216-aoju21pdl20d1gkd
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bzrlib/tests/test_timestamp.py
 
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# Copyright (C) 2007, 2009, 2011 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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import random
 
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import time
 
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from bzrlib import (
 
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    tests,
 
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    timestamp,
 
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    )
 
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from bzrlib.osutils import local_time_offset
 
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class TestPatchHeader(tests.TestCase):
 
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    def test_format_patch_date(self):
 
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        # epoch is always in utc
 
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        self.assertEqual('1970-01-01 00:00:00 +0000',
 
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            timestamp.format_patch_date(0))
 
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        self.assertEqual('1970-01-01 00:00:00 +0000',
 
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            timestamp.format_patch_date(0, 5 * 3600))
 
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        self.assertEqual('1970-01-01 00:00:00 +0000',
 
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            timestamp.format_patch_date(0, -5 * 3600))
 
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        # regular timestamp with typical timezone
 
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        self.assertEqual('2007-03-06 10:04:19 -0500',
 
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            timestamp.format_patch_date(1173193459, -5 * 3600))
 
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        # the timezone part is HHMM
 
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        self.assertEqual('2007-03-06 09:34:19 -0530',
 
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            timestamp.format_patch_date(1173193459, -5.5 * 3600))
 
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        # timezones can be offset by single minutes (but no less)
 
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        self.assertEqual('2007-03-06 15:05:19 +0001',
 
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            timestamp.format_patch_date(1173193459, +1 * 60))
 
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    def test_parse_patch_date(self):
 
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        self.assertEqual((0, 0),
 
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            timestamp.parse_patch_date('1970-01-01 00:00:00 +0000'))
 
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        # even though we don't emit pre-epoch dates, we can parse them
 
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        self.assertEqual((0, -5 * 3600),
 
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            timestamp.parse_patch_date('1969-12-31 19:00:00 -0500'))
 
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        self.assertEqual((0, +5 * 3600),
 
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            timestamp.parse_patch_date('1970-01-01 05:00:00 +0500'))
 
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        self.assertEqual((1173193459, -5 * 3600),
 
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            timestamp.parse_patch_date('2007-03-06 10:04:19 -0500'))
 
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        # offset of three minutes
 
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        self.assertEqual((1173193459, +3 * 60),
 
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            timestamp.parse_patch_date('2007-03-06 15:07:19 +0003'))
 
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        # No space between time and offset
 
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        self.assertEqual((1173193459, -5 * 3600),
 
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            timestamp.parse_patch_date('2007-03-06 10:04:19-0500'))
 
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        # Extra spacing
 
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        self.assertEqual((1173193459, -5 * 3600),
 
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            timestamp.parse_patch_date('2007-03-06     10:04:19     -0500'))
 
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    def test_parse_patch_date_bad(self):
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            'NOT A TIME')
 
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        # Extra data at end
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            '2007-03-06 10:04:19 -0500x')
 
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        # Missing day
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            '2007-03 10:04:19 -0500')
 
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        # Missing seconds
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            '2007-03-06 10:04 -0500')
 
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        # Missing offset
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            '2007-03-06 10:04:19')
 
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        # Missing plus or minus in offset
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            '2007-03-06 10:04:19 0500')
 
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        # Invalid hour in offset
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            '2007-03-06 10:04:19 +2400')
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            '2007-03-06 10:04:19 -2400')
 
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        # Invalid minute in offset
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            '2007-03-06 10:04:19 -0560')
 
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        # Too many digits in offset
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            '2007-03-06 10:04:19 79500')
 
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        # Minus sign in middle of offset
 
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
 
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            '2007-03-06 10:04:19 +05-5')
 
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class UnpackHighresDateTests(tests.TestCase):
 
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    def test_unpack_highres_date(self):
 
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        self.assertEquals(
 
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            (1120153132.3508501, -18000),
 
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            timestamp.unpack_highres_date('Thu 2005-06-30 12:38:52.350850105 -0500'))
 
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        self.assertEquals(
 
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            (1120153132.3508501, 0),
 
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            timestamp.unpack_highres_date('Thu 2005-06-30 17:38:52.350850105 +0000'))
 
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        self.assertEquals(
 
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            (1120153132.3508501, 7200),
 
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            timestamp.unpack_highres_date('Thu 2005-06-30 19:38:52.350850105 +0200'))
 
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        self.assertEquals(
 
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            (1152428738.867522, 19800),
 
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            timestamp.unpack_highres_date('Sun 2006-07-09 12:35:38.867522001 +0530'))
 
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    def test_random(self):
 
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        t = time.time()
 
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        o = local_time_offset()
 
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        t2, o2 = timestamp.unpack_highres_date(timestamp.format_highres_date(t, o))
 
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        self.assertEquals(t, t2)
 
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        self.assertEquals(o, o2)
 
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        t -= 24*3600*365*2 # Start 2 years ago
 
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        o = -12*3600
 
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        for count in xrange(500):
 
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            t += random.random()*24*3600*30
 
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            o = ((o/3600 + 13) % 25 - 12)*3600 # Add 1 wrap around from [-12, 12]
 
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            date = timestamp.format_highres_date(t, o)
 
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            t2, o2 = timestamp.unpack_highres_date(date)
 
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            self.assertEquals(t, t2,
 
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                'Failed on date %r, %s,%s diff:%s' % (date, t, o, t2-t))
 
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            self.assertEquals(o, o2,
 
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                'Failed on date %r, %s,%s diff:%s' % (date, t, o, t2-t))