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Add support for %U and %W to contribute to calculating the date when the year

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and day of the week are specified.

Closes bug #1045381.
This commit is contained in:
Brett Cannon 2004-10-18 01:37:57 +00:00
parent be8370dc9c
commit 8abcc5d533
4 changed files with 72 additions and 4 deletions
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22
Lib/test/test_strptime.py
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@ -6,6 +6,7 @@ import locale
import re
import sys
from test import test_support
from datetime import date as datetime_date
import _strptime
@ -417,6 +418,27 @@ class CalculationTests(unittest.TestCase):
"Calculation of day of the week failed;"
"%s != %s" % (result.tm_wday, self.time_tuple.tm_wday))
def test_week_of_year_and_day_of_week_calculation(self):
# Should be able to infer date if given year, week of year (%U or %W)
# and day of the week
def test_helper(ymd_tuple, test_reason):
for directive in ('W', 'U'):
format_string = "%%Y %%%s %%w" % directive
strp_input = datetime_date(*ymd_tuple).strftime(format_string)
strp_output = _strptime.strptime(strp_input, format_string)
self.failUnless(strp_output[:3] == ymd_tuple,
"%s(%s) test failed w/ '%s': %s != %s" %
(test_reason, directive, strp_input,
strp_output[:3], ymd_tuple[:3]))
test_helper((1901, 1, 3), "week 0")
test_helper((1901, 1, 8), "common case")
test_helper((1901, 1, 13), "day on Sunday")
test_helper((1901, 1, 14), "day on Monday")
test_helper((1905, 1, 1), "Jan 1 on Sunday")
test_helper((1906, 1, 1), "Jan 1 on Monday")
test_helper((1905, 12, 31), "Dec 31 on Sunday")
test_helper((1906, 12, 31), "Dec 31 on Monday")
class CacheTests(unittest.TestCase):
"""Test that caching works properly."""