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comparison mercurial/utils/dateutil.py @ 51801:55677d115045

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utils: test coverage of makedate Explore the scenario from ae04af1ce78d to avoid future regressions. This was intended to give some coverage of the change in faccec1edc2c.
author Mads Kiilerich <mads@kiilerich.com>
date Thu, 29 Jun 2023 20:02:27 +0200
parents f15cb5111a1e
children f4733654f144
comparison
equal deleted inserted replaced
51800:b619ba39d10a 51801:55677d115045
81 ) 81 )
82 82
83 83
84 def makedate(timestamp: Optional[float] = None) -> hgdate: 84 def makedate(timestamp: Optional[float] = None) -> hgdate:
85 """Return a unix timestamp (or the current time) as a (unixtime, 85 """Return a unix timestamp (or the current time) as a (unixtime,
86 offset) tuple based off the local timezone.""" 86 offset) tuple based off the local timezone.
87
88 >>> import os, time
89 >>> os.environ['TZ'] = 'Asia/Novokuznetsk'
90 >>> time.tzset()
91
92 >>> def dtu(*a):
93 ... return datetime.datetime(*a, tzinfo=datetime.timezone.utc)
94
95 # Old winter timezone, +7
96 >>> makedate(dtu(2010, 1, 1, 5, 0, 0).timestamp())
97 (1262322000.0, -25200)
98
99 # Same timezone in summer, +7, so no DST
100 >>> makedate(dtu(2010, 7, 1, 5, 0, 0).timestamp())
101 (1277960400.0, -25200)
102
103 # Changing to new winter timezone, from +7 to +6 (ae04af1ce78d testcase)
104 >>> makedate(dtu(2010, 10, 30, 20, 0, 0).timestamp() - 1)
105 (1288468799.0, -25200)
106 >>> makedate(dtu(2010, 10, 30, 20, 0, 0).timestamp())
107 (1288468800.0, -21600)
108 >>> makedate(dtu(2011, 1, 1, 5, 0, 0).timestamp())
109 (1293858000.0, -21600)
110
111 # Introducing DST, changing +6 to +7
112 >>> makedate(dtu(2011, 3, 26, 20, 0, 0).timestamp() - 1)
113 (1301169599.0, -21600)
114 >>> makedate(dtu(2011, 3, 26, 20, 0, 0).timestamp())
115 (1301169600.0, -25200)
116 """
87 if timestamp is None: 117 if timestamp is None:
88 timestamp = time.time() 118 timestamp = time.time()
89 if timestamp < 0: 119 if timestamp < 0:
90 hint = _(b"check your clock") 120 hint = _(b"check your clock")
91 raise error.InputError( 121 raise error.InputError(