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Viewing changes to breezy/tests/test_timestamp.py

  • Committer: Robert Collins
  • Date: 2005-10-19 10:11:57 UTC
  • mfrom: (1185.16.78)
  • mto: This revision was merged to the branch mainline in revision 1470.
  • Revision ID: robertc@robertcollins.net-20051019101157-17438d311e746b4f
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breezy/tests/test_timestamp.py
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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
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
 
 
17
 
import random
18
 
import time
19
 
 
20
 
 
21
 
from breezy import (
22
 
    tests,
23
 
    timestamp,
24
 
    )
25
 
from breezy.osutils import local_time_offset
26
 
 
27
 
 
28
 
class TestPatchHeader(tests.TestCase):
29
 
 
30
 
    def test_format_patch_date(self):
31
 
        # epoch is always in utc
32
 
        self.assertEqual('1970-01-01 00:00:00 +0000',
33
 
                         timestamp.format_patch_date(0))
34
 
        self.assertEqual('1970-01-01 00:00:00 +0000',
35
 
                         timestamp.format_patch_date(0, 5 * 3600))
36
 
        self.assertEqual('1970-01-01 00:00:00 +0000',
37
 
                         timestamp.format_patch_date(0, -5 * 3600))
38
 
        # regular timestamp with typical timezone
39
 
        self.assertEqual('2007-03-06 10:04:19 -0500',
40
 
                         timestamp.format_patch_date(1173193459, -5 * 3600))
41
 
        # the timezone part is HHMM
42
 
        self.assertEqual('2007-03-06 09:34:19 -0530',
43
 
                         timestamp.format_patch_date(1173193459, -5.5 * 3600))
44
 
        # timezones can be offset by single minutes (but no less)
45
 
        self.assertEqual('2007-03-06 15:05:19 +0001',
46
 
                         timestamp.format_patch_date(1173193459, +1 * 60))
47
 
 
48
 
    def test_parse_patch_date(self):
49
 
        self.assertEqual(
50
 
            (0, 0),
51
 
            timestamp.parse_patch_date('1970-01-01 00:00:00 +0000'))
52
 
        # even though we don't emit pre-epoch dates, we can parse them
53
 
        self.assertEqual(
54
 
            (0, -5 * 3600),
55
 
            timestamp.parse_patch_date('1969-12-31 19:00:00 -0500'))
56
 
        self.assertEqual(
57
 
            (0, +5 * 3600),
58
 
            timestamp.parse_patch_date('1970-01-01 05:00:00 +0500'))
59
 
        self.assertEqual(
60
 
            (1173193459, -5 * 3600),
61
 
            timestamp.parse_patch_date('2007-03-06 10:04:19 -0500'))
62
 
        # offset of three minutes
63
 
        self.assertEqual(
64
 
            (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
67
 
        self.assertEqual(
68
 
            (1173193459, -5 * 3600),
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            timestamp.parse_patch_date('2007-03-06 10:04:19-0500'))
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        # Extra spacing
71
 
        self.assertEqual(
72
 
            (1173193459, -5 * 3600),
73
 
            timestamp.parse_patch_date('2007-03-06     10:04:19     -0500'))
74
 
 
75
 
    def test_parse_patch_date_bad(self):
76
 
        self.assertRaises(ValueError, timestamp.parse_patch_date,
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                          'NOT A TIME')
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        # Extra data at end
79
 
        self.assertRaises(ValueError, timestamp.parse_patch_date,
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                          '2007-03-06 10:04:19 -0500x')
81
 
        # Missing day
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        self.assertRaises(ValueError, timestamp.parse_patch_date,
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                          '2007-03 10:04:19 -0500')
84
 
        # Missing seconds
85
 
        self.assertRaises(ValueError, timestamp.parse_patch_date,
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                          '2007-03-06 10:04 -0500')
87
 
        # Missing offset
88
 
        self.assertRaises(ValueError, timestamp.parse_patch_date,
89
 
                          '2007-03-06 10:04:19')
90
 
        # Missing plus or minus in offset
91
 
        self.assertRaises(ValueError, timestamp.parse_patch_date,
92
 
                          '2007-03-06 10:04:19 0500')
93
 
        # Invalid hour in offset
94
 
        self.assertRaises(ValueError, timestamp.parse_patch_date,
95
 
                          '2007-03-06 10:04:19 +2400')
96
 
        self.assertRaises(ValueError, timestamp.parse_patch_date,
97
 
                          '2007-03-06 10:04:19 -2400')
98
 
        # Invalid minute in offset
99
 
        self.assertRaises(ValueError, timestamp.parse_patch_date,
100
 
                          '2007-03-06 10:04:19 -0560')
101
 
        # Too many digits in offset
102
 
        self.assertRaises(ValueError, timestamp.parse_patch_date,
103
 
                          '2007-03-06 10:04:19 79500')
104
 
        # Minus sign in middle of offset
105
 
        self.assertRaises(ValueError, timestamp.parse_patch_date,
106
 
                          '2007-03-06 10:04:19 +05-5')
107
 
 
108
 
 
109
 
class UnpackHighresDateTests(tests.TestCase):
110
 
 
111
 
    def test_unpack_highres_date(self):
112
 
        self.assertEqual(
113
 
            (1120153132.3508501, -18000),
114
 
            timestamp.unpack_highres_date(
115
 
                'Thu 2005-06-30 12:38:52.350850105 -0500'))
116
 
        self.assertEqual(
117
 
            (1120153132.3508501, 0),
118
 
            timestamp.unpack_highres_date(
119
 
                'Thu 2005-06-30 17:38:52.350850105 +0000'))
120
 
        self.assertEqual(
121
 
            (1120153132.3508501, 7200),
122
 
            timestamp.unpack_highres_date(
123
 
                'Thu 2005-06-30 19:38:52.350850105 +0200'))
124
 
        self.assertEqual(
125
 
            (1152428738.867522, 19800),
126
 
            timestamp.unpack_highres_date(
127
 
                'Sun 2006-07-09 12:35:38.867522001 +0530'))
128
 
 
129
 
    def test_random(self):
130
 
        t = time.time()
131
 
        o = local_time_offset()
132
 
        t2, o2 = timestamp.unpack_highres_date(
133
 
            timestamp.format_highres_date(t, o))
134
 
        self.assertEqual(t, t2)
135
 
        self.assertEqual(o, o2)
136
 
        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,
158
 
                'Failed on date %r, %s,%s diff:%s' % (date, t, o, t2 - t))