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  • Committer: Jelmer Vernooij
  • Date: 2020-04-05 19:11:34 UTC
  • mto: (7490.7.16 work)
  • mto: This revision was merged to the branch mainline in revision 7501.
  • Revision ID: jelmer@jelmer.uk-20200405191134-0aebh8ikiwygxma5
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breezy/tests/test_timestamp.py
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# Copyright (C) 2007 Canonical Ltd
 
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# Copyright (C) 2007, 2009, 2010, 2011, 2016 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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# 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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from bzrlib import (
 
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import random
 
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import time
 
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from breezy import (
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    tests,
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    timestamp,
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    )
 
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from breezy.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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                         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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                         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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                         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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                         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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        self.assertEqual(
 
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            (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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        self.assertEqual(
 
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            (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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        self.assertEqual(
 
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            (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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        self.assertEqual(
 
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            (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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        self.assertEqual(
 
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            (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(
 
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            (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(
 
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            (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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108
 
 
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class UnpackHighresDateTests(tests.TestCase):
 
110
 
 
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    def test_unpack_highres_date(self):
 
112
        self.assertEqual(
 
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            (1120153132.3508501, -18000),
 
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            timestamp.unpack_highres_date(
 
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                'Thu 2005-06-30 12:38:52.350850105 -0500'))
 
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        self.assertEqual(
 
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            (1120153132.3508501, 0),
 
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            timestamp.unpack_highres_date(
 
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                'Thu 2005-06-30 17:38:52.350850105 +0000'))
 
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        self.assertEqual(
 
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            (1120153132.3508501, 7200),
 
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            timestamp.unpack_highres_date(
 
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                'Thu 2005-06-30 19:38:52.350850105 +0200'))
 
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        self.assertEqual(
 
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            (1152428738.867522, 19800),
 
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            timestamp.unpack_highres_date(
 
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                'Sun 2006-07-09 12:35:38.867522001 +0530'))
 
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129
    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(
 
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            timestamp.format_highres_date(t, o))
 
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        self.assertEqual(t, t2)
 
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        self.assertEqual(o, o2)
 
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        t -= 24 * 3600 * 365 * 2  # Start 2 years ago
 
137
        o = -12 * 3600
 
138
        for count in range(500):
 
139
            t += random.random() * 24 * 3600 * 30
 
140
            try:
 
141
                time.gmtime(t + o)
 
142
            except (OverflowError, ValueError):
 
143
                # We've reached the maximum for time_t on this platform
 
144
                break
 
145
            if time.localtime(t).tm_year > 9998:
 
146
                # strptime doesn't always understand years with more than 4
 
147
                # digits.
 
148
                break
 
149
            # Add 1 wrap around from [-12, 12]
 
150
            o = ((o / 3600 + 13) % 25 - 12) * 3600
 
151
            date = timestamp.format_highres_date(t, o)
 
152
            t2, o2 = timestamp.unpack_highres_date(date)
 
153
            self.assertEqual(
 
154
                t, t2,
 
155
                'Failed on date %r, %s,%s diff:%s' % (date, t, o, t2 - t))
 
156
            self.assertEqual(
 
157
                o, o2,
 
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                'Failed on date %r, %s,%s diff:%s' % (date, t, o, t2 - t))