python (3.11.7)
1 """PyUnit testing against strptime"""
2
3 import unittest
4 import time
5 import locale
6 import re
7 import os
8 import sys
9 from test import support
10 from test.support import skip_if_buggy_ucrt_strfptime
11 from datetime import date as datetime_date
12
13 import _strptime
14
15 class ESC[4;38;5;81mgetlang_Tests(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
16 """Test _getlang"""
17 def test_basic(self):
18 self.assertEqual(_strptime._getlang(), locale.getlocale(locale.LC_TIME))
19
20 class ESC[4;38;5;81mLocaleTime_Tests(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
21 """Tests for _strptime.LocaleTime.
22
23 All values are lower-cased when stored in LocaleTime, so make sure to
24 compare values after running ``lower`` on them.
25
26 """
27
28 def setUp(self):
29 """Create time tuple based on current time."""
30 self.time_tuple = time.localtime()
31 self.LT_ins = _strptime.LocaleTime()
32
33 def compare_against_time(self, testing, directive, tuple_position,
34 error_msg):
35 """Helper method that tests testing against directive based on the
36 tuple_position of time_tuple. Uses error_msg as error message.
37
38 """
39 strftime_output = time.strftime(directive, self.time_tuple).lower()
40 comparison = testing[self.time_tuple[tuple_position]]
41 self.assertIn(strftime_output, testing,
42 "%s: not found in tuple" % error_msg)
43 self.assertEqual(comparison, strftime_output,
44 "%s: position within tuple incorrect; %s != %s" %
45 (error_msg, comparison, strftime_output))
46
47 def test_weekday(self):
48 # Make sure that full and abbreviated weekday names are correct in
49 # both string and position with tuple
50 self.compare_against_time(self.LT_ins.f_weekday, '%A', 6,
51 "Testing of full weekday name failed")
52 self.compare_against_time(self.LT_ins.a_weekday, '%a', 6,
53 "Testing of abbreviated weekday name failed")
54
55 def test_month(self):
56 # Test full and abbreviated month names; both string and position
57 # within the tuple
58 self.compare_against_time(self.LT_ins.f_month, '%B', 1,
59 "Testing against full month name failed")
60 self.compare_against_time(self.LT_ins.a_month, '%b', 1,
61 "Testing against abbreviated month name failed")
62
63 def test_am_pm(self):
64 # Make sure AM/PM representation done properly
65 strftime_output = time.strftime("%p", self.time_tuple).lower()
66 self.assertIn(strftime_output, self.LT_ins.am_pm,
67 "AM/PM representation not in tuple")
68 if self.time_tuple[3] < 12: position = 0
69 else: position = 1
70 self.assertEqual(self.LT_ins.am_pm[position], strftime_output,
71 "AM/PM representation in the wrong position within the tuple")
72
73 @unittest.skipIf(
74 support.is_emscripten, "musl libc issue on Emscripten, bpo-46390"
75 )
76 def test_timezone(self):
77 # Make sure timezone is correct
78 timezone = time.strftime("%Z", self.time_tuple).lower()
79 if timezone:
80 self.assertTrue(timezone in self.LT_ins.timezone[0] or
81 timezone in self.LT_ins.timezone[1],
82 "timezone %s not found in %s" %
83 (timezone, self.LT_ins.timezone))
84
85 def test_date_time(self):
86 # Check that LC_date_time, LC_date, and LC_time are correct
87 # the magic date is used so as to not have issues with %c when day of
88 # the month is a single digit and has a leading space. This is not an
89 # issue since strptime still parses it correctly. The problem is
90 # testing these directives for correctness by comparing strftime
91 # output.
92 magic_date = (1999, 3, 17, 22, 44, 55, 2, 76, 0)
93 strftime_output = time.strftime("%c", magic_date)
94 self.assertEqual(time.strftime(self.LT_ins.LC_date_time, magic_date),
95 strftime_output, "LC_date_time incorrect")
96 strftime_output = time.strftime("%x", magic_date)
97 self.assertEqual(time.strftime(self.LT_ins.LC_date, magic_date),
98 strftime_output, "LC_date incorrect")
99 strftime_output = time.strftime("%X", magic_date)
100 self.assertEqual(time.strftime(self.LT_ins.LC_time, magic_date),
101 strftime_output, "LC_time incorrect")
102 LT = _strptime.LocaleTime()
103 LT.am_pm = ('', '')
104 self.assertTrue(LT.LC_time, "LocaleTime's LC directives cannot handle "
105 "empty strings")
106
107 def test_lang(self):
108 # Make sure lang is set to what _getlang() returns
109 # Assuming locale has not changed between now and when self.LT_ins was created
110 self.assertEqual(self.LT_ins.lang, _strptime._getlang())
111
112
113 class ESC[4;38;5;81mTimeRETests(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
114 """Tests for TimeRE."""
115
116 def setUp(self):
117 """Construct generic TimeRE object."""
118 self.time_re = _strptime.TimeRE()
119 self.locale_time = _strptime.LocaleTime()
120
121 def test_pattern(self):
122 # Test TimeRE.pattern
123 pattern_string = self.time_re.pattern(r"%a %A %d")
124 self.assertTrue(pattern_string.find(self.locale_time.a_weekday[2]) != -1,
125 "did not find abbreviated weekday in pattern string '%s'" %
126 pattern_string)
127 self.assertTrue(pattern_string.find(self.locale_time.f_weekday[4]) != -1,
128 "did not find full weekday in pattern string '%s'" %
129 pattern_string)
130 self.assertTrue(pattern_string.find(self.time_re['d']) != -1,
131 "did not find 'd' directive pattern string '%s'" %
132 pattern_string)
133
134 def test_pattern_escaping(self):
135 # Make sure any characters in the format string that might be taken as
136 # regex syntax is escaped.
137 pattern_string = self.time_re.pattern(r"\d+")
138 self.assertIn(r"\\d\+", pattern_string,
139 "%s does not have re characters escaped properly" %
140 pattern_string)
141
142 @skip_if_buggy_ucrt_strfptime
143 def test_compile(self):
144 # Check that compiled regex is correct
145 found = self.time_re.compile(r"%A").match(self.locale_time.f_weekday[6])
146 self.assertTrue(found and found.group('A') == self.locale_time.f_weekday[6],
147 "re object for '%A' failed")
148 compiled = self.time_re.compile(r"%a %b")
149 found = compiled.match("%s %s" % (self.locale_time.a_weekday[4],
150 self.locale_time.a_month[4]))
151 self.assertTrue(found,
152 "Match failed with '%s' regex and '%s' string" %
153 (compiled.pattern, "%s %s" % (self.locale_time.a_weekday[4],
154 self.locale_time.a_month[4])))
155 self.assertTrue(found.group('a') == self.locale_time.a_weekday[4] and
156 found.group('b') == self.locale_time.a_month[4],
157 "re object couldn't find the abbreviated weekday month in "
158 "'%s' using '%s'; group 'a' = '%s', group 'b' = %s'" %
159 (found.string, found.re.pattern, found.group('a'),
160 found.group('b')))
161 for directive in ('a','A','b','B','c','d','G','H','I','j','m','M','p',
162 'S','u','U','V','w','W','x','X','y','Y','Z','%'):
163 compiled = self.time_re.compile("%" + directive)
164 found = compiled.match(time.strftime("%" + directive))
165 self.assertTrue(found, "Matching failed on '%s' using '%s' regex" %
166 (time.strftime("%" + directive),
167 compiled.pattern))
168
169 def test_blankpattern(self):
170 # Make sure when tuple or something has no values no regex is generated.
171 # Fixes bug #661354
172 test_locale = _strptime.LocaleTime()
173 test_locale.timezone = (frozenset(), frozenset())
174 self.assertEqual(_strptime.TimeRE(test_locale).pattern("%Z"), '',
175 "with timezone == ('',''), TimeRE().pattern('%Z') != ''")
176
177 def test_matching_with_escapes(self):
178 # Make sure a format that requires escaping of characters works
179 compiled_re = self.time_re.compile(r"\w+ %m")
180 found = compiled_re.match(r"\w+ 10")
181 self.assertTrue(found, r"Escaping failed of format '\w+ 10'")
182
183 def test_locale_data_w_regex_metacharacters(self):
184 # Check that if locale data contains regex metacharacters they are
185 # escaped properly.
186 # Discovered by bug #1039270 .
187 locale_time = _strptime.LocaleTime()
188 locale_time.timezone = (frozenset(("utc", "gmt",
189 "Tokyo (standard time)")),
190 frozenset("Tokyo (daylight time)"))
191 time_re = _strptime.TimeRE(locale_time)
192 self.assertTrue(time_re.compile("%Z").match("Tokyo (standard time)"),
193 "locale data that contains regex metacharacters is not"
194 " properly escaped")
195
196 def test_whitespace_substitution(self):
197 # When pattern contains whitespace, make sure it is taken into account
198 # so as to not allow subpatterns to end up next to each other and
199 # "steal" characters from each other.
200 pattern = self.time_re.pattern('%j %H')
201 self.assertFalse(re.match(pattern, "180"))
202 self.assertTrue(re.match(pattern, "18 0"))
203
204
205 class ESC[4;38;5;81mStrptimeTests(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
206 """Tests for _strptime.strptime."""
207
208 def setUp(self):
209 """Create testing time tuple."""
210 self.time_tuple = time.gmtime()
211
212 def test_ValueError(self):
213 # Make sure ValueError is raised when match fails or format is bad
214 self.assertRaises(ValueError, _strptime._strptime_time, data_string="%d",
215 format="%A")
216 for bad_format in ("%", "% ", "%e"):
217 try:
218 _strptime._strptime_time("2005", bad_format)
219 except ValueError:
220 continue
221 except Exception as err:
222 self.fail("'%s' raised %s, not ValueError" %
223 (bad_format, err.__class__.__name__))
224 else:
225 self.fail("'%s' did not raise ValueError" % bad_format)
226
227 # Ambiguous or incomplete cases using ISO year/week/weekday directives
228 # 1. ISO week (%V) is specified, but the year is specified with %Y
229 # instead of %G
230 with self.assertRaises(ValueError):
231 _strptime._strptime("1999 50", "%Y %V")
232 # 2. ISO year (%G) and ISO week (%V) are specified, but weekday is not
233 with self.assertRaises(ValueError):
234 _strptime._strptime("1999 51", "%G %V")
235 # 3. ISO year (%G) and weekday are specified, but ISO week (%V) is not
236 for w in ('A', 'a', 'w', 'u'):
237 with self.assertRaises(ValueError):
238 _strptime._strptime("1999 51","%G %{}".format(w))
239 # 4. ISO year is specified alone (e.g. time.strptime('2015', '%G'))
240 with self.assertRaises(ValueError):
241 _strptime._strptime("2015", "%G")
242 # 5. Julian/ordinal day (%j) is specified with %G, but not %Y
243 with self.assertRaises(ValueError):
244 _strptime._strptime("1999 256", "%G %j")
245
246
247 def test_strptime_exception_context(self):
248 # check that this doesn't chain exceptions needlessly (see #17572)
249 with self.assertRaises(ValueError) as e:
250 _strptime._strptime_time('', '%D')
251 self.assertIs(e.exception.__suppress_context__, True)
252 # additional check for IndexError branch (issue #19545)
253 with self.assertRaises(ValueError) as e:
254 _strptime._strptime_time('19', '%Y %')
255 self.assertIs(e.exception.__suppress_context__, True)
256
257 def test_unconverteddata(self):
258 # Check ValueError is raised when there is unconverted data
259 self.assertRaises(ValueError, _strptime._strptime_time, "10 12", "%m")
260
261 def helper(self, directive, position):
262 """Helper fxn in testing."""
263 strf_output = time.strftime("%" + directive, self.time_tuple)
264 strp_output = _strptime._strptime_time(strf_output, "%" + directive)
265 self.assertTrue(strp_output[position] == self.time_tuple[position],
266 "testing of '%s' directive failed; '%s' -> %s != %s" %
267 (directive, strf_output, strp_output[position],
268 self.time_tuple[position]))
269
270 def test_year(self):
271 # Test that the year is handled properly
272 for directive in ('y', 'Y'):
273 self.helper(directive, 0)
274 # Must also make sure %y values are correct for bounds set by Open Group
275 for century, bounds in ((1900, ('69', '99')), (2000, ('00', '68'))):
276 for bound in bounds:
277 strp_output = _strptime._strptime_time(bound, '%y')
278 expected_result = century + int(bound)
279 self.assertTrue(strp_output[0] == expected_result,
280 "'y' test failed; passed in '%s' "
281 "and returned '%s'" % (bound, strp_output[0]))
282
283 def test_month(self):
284 # Test for month directives
285 for directive in ('B', 'b', 'm'):
286 self.helper(directive, 1)
287
288 def test_day(self):
289 # Test for day directives
290 self.helper('d', 2)
291
292 def test_hour(self):
293 # Test hour directives
294 self.helper('H', 3)
295 strf_output = time.strftime("%I %p", self.time_tuple)
296 strp_output = _strptime._strptime_time(strf_output, "%I %p")
297 self.assertTrue(strp_output[3] == self.time_tuple[3],
298 "testing of '%%I %%p' directive failed; '%s' -> %s != %s" %
299 (strf_output, strp_output[3], self.time_tuple[3]))
300
301 def test_minute(self):
302 # Test minute directives
303 self.helper('M', 4)
304
305 def test_second(self):
306 # Test second directives
307 self.helper('S', 5)
308
309 def test_fraction(self):
310 # Test microseconds
311 import datetime
312 d = datetime.datetime(2012, 12, 20, 12, 34, 56, 78987)
313 tup, frac, _ = _strptime._strptime(str(d), format="%Y-%m-%d %H:%M:%S.%f")
314 self.assertEqual(frac, d.microsecond)
315
316 def test_weekday(self):
317 # Test weekday directives
318 for directive in ('A', 'a', 'w', 'u'):
319 self.helper(directive,6)
320
321 def test_julian(self):
322 # Test julian directives
323 self.helper('j', 7)
324
325 def test_offset(self):
326 one_hour = 60 * 60
327 half_hour = 30 * 60
328 half_minute = 30
329 (*_, offset), _, offset_fraction = _strptime._strptime("+0130", "%z")
330 self.assertEqual(offset, one_hour + half_hour)
331 self.assertEqual(offset_fraction, 0)
332 (*_, offset), _, offset_fraction = _strptime._strptime("-0100", "%z")
333 self.assertEqual(offset, -one_hour)
334 self.assertEqual(offset_fraction, 0)
335 (*_, offset), _, offset_fraction = _strptime._strptime("-013030", "%z")
336 self.assertEqual(offset, -(one_hour + half_hour + half_minute))
337 self.assertEqual(offset_fraction, 0)
338 (*_, offset), _, offset_fraction = _strptime._strptime("-013030.000001", "%z")
339 self.assertEqual(offset, -(one_hour + half_hour + half_minute))
340 self.assertEqual(offset_fraction, -1)
341 (*_, offset), _, offset_fraction = _strptime._strptime("+01:00", "%z")
342 self.assertEqual(offset, one_hour)
343 self.assertEqual(offset_fraction, 0)
344 (*_, offset), _, offset_fraction = _strptime._strptime("-01:30", "%z")
345 self.assertEqual(offset, -(one_hour + half_hour))
346 self.assertEqual(offset_fraction, 0)
347 (*_, offset), _, offset_fraction = _strptime._strptime("-01:30:30", "%z")
348 self.assertEqual(offset, -(one_hour + half_hour + half_minute))
349 self.assertEqual(offset_fraction, 0)
350 (*_, offset), _, offset_fraction = _strptime._strptime("-01:30:30.000001", "%z")
351 self.assertEqual(offset, -(one_hour + half_hour + half_minute))
352 self.assertEqual(offset_fraction, -1)
353 (*_, offset), _, offset_fraction = _strptime._strptime("+01:30:30.001", "%z")
354 self.assertEqual(offset, one_hour + half_hour + half_minute)
355 self.assertEqual(offset_fraction, 1000)
356 (*_, offset), _, offset_fraction = _strptime._strptime("Z", "%z")
357 self.assertEqual(offset, 0)
358 self.assertEqual(offset_fraction, 0)
359
360 def test_bad_offset(self):
361 with self.assertRaises(ValueError):
362 _strptime._strptime("-01:30:30.", "%z")
363 with self.assertRaises(ValueError):
364 _strptime._strptime("-0130:30", "%z")
365 with self.assertRaises(ValueError):
366 _strptime._strptime("-01:30:30.1234567", "%z")
367 with self.assertRaises(ValueError):
368 _strptime._strptime("-01:30:30:123456", "%z")
369 with self.assertRaises(ValueError) as err:
370 _strptime._strptime("-01:3030", "%z")
371 self.assertEqual("Inconsistent use of : in -01:3030", str(err.exception))
372
373 @skip_if_buggy_ucrt_strfptime
374 @unittest.skipIf(
375 support.is_emscripten, "musl libc issue on Emscripten, bpo-46390"
376 )
377 def test_timezone(self):
378 # Test timezone directives.
379 # When gmtime() is used with %Z, entire result of strftime() is empty.
380 # Check for equal timezone names deals with bad locale info when this
381 # occurs; first found in FreeBSD 4.4.
382 strp_output = _strptime._strptime_time("UTC", "%Z")
383 self.assertEqual(strp_output.tm_isdst, 0)
384 strp_output = _strptime._strptime_time("GMT", "%Z")
385 self.assertEqual(strp_output.tm_isdst, 0)
386 time_tuple = time.localtime()
387 strf_output = time.strftime("%Z") #UTC does not have a timezone
388 strp_output = _strptime._strptime_time(strf_output, "%Z")
389 locale_time = _strptime.LocaleTime()
390 if time.tzname[0] != time.tzname[1] or not time.daylight:
391 self.assertTrue(strp_output[8] == time_tuple[8],
392 "timezone check failed; '%s' -> %s != %s" %
393 (strf_output, strp_output[8], time_tuple[8]))
394 else:
395 self.assertTrue(strp_output[8] == -1,
396 "LocaleTime().timezone has duplicate values and "
397 "time.daylight but timezone value not set to -1")
398
399 @unittest.skipUnless(
400 hasattr(time, "tzset"), "time module has no attribute tzset"
401 )
402 def test_bad_timezone(self):
403 # Explicitly test possibility of bad timezone;
404 # when time.tzname[0] == time.tzname[1] and time.daylight
405 tz_name = time.tzname[0]
406 if tz_name.upper() in ("UTC", "GMT"):
407 self.skipTest('need non-UTC/GMT timezone')
408
409 with support.swap_attr(time, 'tzname', (tz_name, tz_name)), \
410 support.swap_attr(time, 'daylight', 1), \
411 support.swap_attr(time, 'tzset', lambda: None):
412 time.tzname = (tz_name, tz_name)
413 time.daylight = 1
414 tz_value = _strptime._strptime_time(tz_name, "%Z")[8]
415 self.assertEqual(tz_value, -1,
416 "%s lead to a timezone value of %s instead of -1 when "
417 "time.daylight set to %s and passing in %s" %
418 (time.tzname, tz_value, time.daylight, tz_name))
419
420 def test_date_time(self):
421 # Test %c directive
422 for position in range(6):
423 self.helper('c', position)
424
425 def test_date(self):
426 # Test %x directive
427 for position in range(0,3):
428 self.helper('x', position)
429
430 def test_time(self):
431 # Test %X directive
432 for position in range(3,6):
433 self.helper('X', position)
434
435 def test_percent(self):
436 # Make sure % signs are handled properly
437 strf_output = time.strftime("%m %% %Y", self.time_tuple)
438 strp_output = _strptime._strptime_time(strf_output, "%m %% %Y")
439 self.assertTrue(strp_output[0] == self.time_tuple[0] and
440 strp_output[1] == self.time_tuple[1],
441 "handling of percent sign failed")
442
443 def test_caseinsensitive(self):
444 # Should handle names case-insensitively.
445 strf_output = time.strftime("%B", self.time_tuple)
446 self.assertTrue(_strptime._strptime_time(strf_output.upper(), "%B"),
447 "strptime does not handle ALL-CAPS names properly")
448 self.assertTrue(_strptime._strptime_time(strf_output.lower(), "%B"),
449 "strptime does not handle lowercase names properly")
450 self.assertTrue(_strptime._strptime_time(strf_output.capitalize(), "%B"),
451 "strptime does not handle capword names properly")
452
453 def test_defaults(self):
454 # Default return value should be (1900, 1, 1, 0, 0, 0, 0, 1, 0)
455 defaults = (1900, 1, 1, 0, 0, 0, 0, 1, -1)
456 strp_output = _strptime._strptime_time('1', '%m')
457 self.assertTrue(strp_output == defaults,
458 "Default values for strptime() are incorrect;"
459 " %s != %s" % (strp_output, defaults))
460
461 def test_escaping(self):
462 # Make sure all characters that have regex significance are escaped.
463 # Parentheses are in a purposeful order; will cause an error of
464 # unbalanced parentheses when the regex is compiled if they are not
465 # escaped.
466 # Test instigated by bug #796149 .
467 need_escaping = r".^$*+?{}\[]|)("
468 self.assertTrue(_strptime._strptime_time(need_escaping, need_escaping))
469
470 def test_feb29_on_leap_year_without_year(self):
471 time.strptime("Feb 29", "%b %d")
472
473 def test_mar1_comes_after_feb29_even_when_omitting_the_year(self):
474 self.assertLess(
475 time.strptime("Feb 29", "%b %d"),
476 time.strptime("Mar 1", "%b %d"))
477
478 class ESC[4;38;5;81mStrptime12AMPMTests(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
479 """Test a _strptime regression in '%I %p' at 12 noon (12 PM)"""
480
481 def test_twelve_noon_midnight(self):
482 eq = self.assertEqual
483 eq(time.strptime('12 PM', '%I %p')[3], 12)
484 eq(time.strptime('12 AM', '%I %p')[3], 0)
485 eq(_strptime._strptime_time('12 PM', '%I %p')[3], 12)
486 eq(_strptime._strptime_time('12 AM', '%I %p')[3], 0)
487
488
489 class ESC[4;38;5;81mJulianTests(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
490 """Test a _strptime regression that all julian (1-366) are accepted"""
491
492 def test_all_julian_days(self):
493 eq = self.assertEqual
494 for i in range(1, 367):
495 # use 2004, since it is a leap year, we have 366 days
496 eq(_strptime._strptime_time('%d 2004' % i, '%j %Y')[7], i)
497
498 class ESC[4;38;5;81mCalculationTests(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
499 """Test that strptime() fills in missing info correctly"""
500
501 def setUp(self):
502 self.time_tuple = time.gmtime()
503
504 @skip_if_buggy_ucrt_strfptime
505 def test_julian_calculation(self):
506 # Make sure that when Julian is missing that it is calculated
507 format_string = "%Y %m %d %H %M %S %w %Z"
508 result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
509 format_string)
510 self.assertTrue(result.tm_yday == self.time_tuple.tm_yday,
511 "Calculation of tm_yday failed; %s != %s" %
512 (result.tm_yday, self.time_tuple.tm_yday))
513
514 @skip_if_buggy_ucrt_strfptime
515 def test_gregorian_calculation(self):
516 # Test that Gregorian date can be calculated from Julian day
517 format_string = "%Y %H %M %S %w %j %Z"
518 result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
519 format_string)
520 self.assertTrue(result.tm_year == self.time_tuple.tm_year and
521 result.tm_mon == self.time_tuple.tm_mon and
522 result.tm_mday == self.time_tuple.tm_mday,
523 "Calculation of Gregorian date failed; "
524 "%s-%s-%s != %s-%s-%s" %
525 (result.tm_year, result.tm_mon, result.tm_mday,
526 self.time_tuple.tm_year, self.time_tuple.tm_mon,
527 self.time_tuple.tm_mday))
528
529 @skip_if_buggy_ucrt_strfptime
530 def test_day_of_week_calculation(self):
531 # Test that the day of the week is calculated as needed
532 format_string = "%Y %m %d %H %S %j %Z"
533 result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
534 format_string)
535 self.assertTrue(result.tm_wday == self.time_tuple.tm_wday,
536 "Calculation of day of the week failed; "
537 "%s != %s" % (result.tm_wday, self.time_tuple.tm_wday))
538
539 if support.is_android:
540 # Issue #26929: strftime() on Android incorrectly formats %V or %G for
541 # the last or the first incomplete week in a year.
542 _ymd_excluded = ((1905, 1, 1), (1906, 12, 31), (2008, 12, 29),
543 (1917, 12, 31))
544 _formats_excluded = ('%G %V',)
545 else:
546 _ymd_excluded = ()
547 _formats_excluded = ()
548
549 @unittest.skipIf(sys.platform.startswith('aix'),
550 'bpo-29972: broken test on AIX')
551 def test_week_of_year_and_day_of_week_calculation(self):
552 # Should be able to infer date if given year, week of year (%U or %W)
553 # and day of the week
554 def test_helper(ymd_tuple, test_reason):
555 for year_week_format in ('%Y %W', '%Y %U', '%G %V'):
556 if (year_week_format in self._formats_excluded and
557 ymd_tuple in self._ymd_excluded):
558 return
559 for weekday_format in ('%w', '%u', '%a', '%A'):
560 format_string = year_week_format + ' ' + weekday_format
561 with self.subTest(test_reason,
562 date=ymd_tuple,
563 format=format_string):
564 dt_date = datetime_date(*ymd_tuple)
565 strp_input = dt_date.strftime(format_string)
566 strp_output = _strptime._strptime_time(strp_input,
567 format_string)
568 msg = "%r: %s != %s" % (strp_input,
569 strp_output[7],
570 dt_date.timetuple()[7])
571 self.assertEqual(strp_output[:3], ymd_tuple, msg)
572 test_helper((1901, 1, 3), "week 0")
573 test_helper((1901, 1, 8), "common case")
574 test_helper((1901, 1, 13), "day on Sunday")
575 test_helper((1901, 1, 14), "day on Monday")
576 test_helper((1905, 1, 1), "Jan 1 on Sunday")
577 test_helper((1906, 1, 1), "Jan 1 on Monday")
578 test_helper((1906, 1, 7), "first Sunday in a year starting on Monday")
579 test_helper((1905, 12, 31), "Dec 31 on Sunday")
580 test_helper((1906, 12, 31), "Dec 31 on Monday")
581 test_helper((2008, 12, 29), "Monday in the last week of the year")
582 test_helper((2008, 12, 22), "Monday in the second-to-last week of the "
583 "year")
584 test_helper((1978, 10, 23), "randomly chosen date")
585 test_helper((2004, 12, 18), "randomly chosen date")
586 test_helper((1978, 10, 23), "year starting and ending on Monday while "
587 "date not on Sunday or Monday")
588 test_helper((1917, 12, 17), "year starting and ending on Monday with "
589 "a Monday not at the beginning or end "
590 "of the year")
591 test_helper((1917, 12, 31), "Dec 31 on Monday with year starting and "
592 "ending on Monday")
593 test_helper((2007, 1, 7), "First Sunday of 2007")
594 test_helper((2007, 1, 14), "Second Sunday of 2007")
595 test_helper((2006, 12, 31), "Last Sunday of 2006")
596 test_helper((2006, 12, 24), "Second to last Sunday of 2006")
597
598 def test_week_0(self):
599 def check(value, format, *expected):
600 self.assertEqual(_strptime._strptime_time(value, format)[:-1], expected)
601 check('2015 0 0', '%Y %U %w', 2014, 12, 28, 0, 0, 0, 6, 362)
602 check('2015 0 0', '%Y %W %w', 2015, 1, 4, 0, 0, 0, 6, 4)
603 check('2015 1 1', '%G %V %u', 2014, 12, 29, 0, 0, 0, 0, 363)
604 check('2015 0 1', '%Y %U %w', 2014, 12, 29, 0, 0, 0, 0, 363)
605 check('2015 0 1', '%Y %W %w', 2014, 12, 29, 0, 0, 0, 0, 363)
606 check('2015 1 2', '%G %V %u', 2014, 12, 30, 0, 0, 0, 1, 364)
607 check('2015 0 2', '%Y %U %w', 2014, 12, 30, 0, 0, 0, 1, 364)
608 check('2015 0 2', '%Y %W %w', 2014, 12, 30, 0, 0, 0, 1, 364)
609 check('2015 1 3', '%G %V %u', 2014, 12, 31, 0, 0, 0, 2, 365)
610 check('2015 0 3', '%Y %U %w', 2014, 12, 31, 0, 0, 0, 2, 365)
611 check('2015 0 3', '%Y %W %w', 2014, 12, 31, 0, 0, 0, 2, 365)
612 check('2015 1 4', '%G %V %u', 2015, 1, 1, 0, 0, 0, 3, 1)
613 check('2015 0 4', '%Y %U %w', 2015, 1, 1, 0, 0, 0, 3, 1)
614 check('2015 0 4', '%Y %W %w', 2015, 1, 1, 0, 0, 0, 3, 1)
615 check('2015 1 5', '%G %V %u', 2015, 1, 2, 0, 0, 0, 4, 2)
616 check('2015 0 5', '%Y %U %w', 2015, 1, 2, 0, 0, 0, 4, 2)
617 check('2015 0 5', '%Y %W %w', 2015, 1, 2, 0, 0, 0, 4, 2)
618 check('2015 1 6', '%G %V %u', 2015, 1, 3, 0, 0, 0, 5, 3)
619 check('2015 0 6', '%Y %U %w', 2015, 1, 3, 0, 0, 0, 5, 3)
620 check('2015 0 6', '%Y %W %w', 2015, 1, 3, 0, 0, 0, 5, 3)
621 check('2015 1 7', '%G %V %u', 2015, 1, 4, 0, 0, 0, 6, 4)
622
623 check('2009 0 0', '%Y %U %w', 2008, 12, 28, 0, 0, 0, 6, 363)
624 check('2009 0 0', '%Y %W %w', 2009, 1, 4, 0, 0, 0, 6, 4)
625 check('2009 1 1', '%G %V %u', 2008, 12, 29, 0, 0, 0, 0, 364)
626 check('2009 0 1', '%Y %U %w', 2008, 12, 29, 0, 0, 0, 0, 364)
627 check('2009 0 1', '%Y %W %w', 2008, 12, 29, 0, 0, 0, 0, 364)
628 check('2009 1 2', '%G %V %u', 2008, 12, 30, 0, 0, 0, 1, 365)
629 check('2009 0 2', '%Y %U %w', 2008, 12, 30, 0, 0, 0, 1, 365)
630 check('2009 0 2', '%Y %W %w', 2008, 12, 30, 0, 0, 0, 1, 365)
631 check('2009 1 3', '%G %V %u', 2008, 12, 31, 0, 0, 0, 2, 366)
632 check('2009 0 3', '%Y %U %w', 2008, 12, 31, 0, 0, 0, 2, 366)
633 check('2009 0 3', '%Y %W %w', 2008, 12, 31, 0, 0, 0, 2, 366)
634 check('2009 1 4', '%G %V %u', 2009, 1, 1, 0, 0, 0, 3, 1)
635 check('2009 0 4', '%Y %U %w', 2009, 1, 1, 0, 0, 0, 3, 1)
636 check('2009 0 4', '%Y %W %w', 2009, 1, 1, 0, 0, 0, 3, 1)
637 check('2009 1 5', '%G %V %u', 2009, 1, 2, 0, 0, 0, 4, 2)
638 check('2009 0 5', '%Y %U %w', 2009, 1, 2, 0, 0, 0, 4, 2)
639 check('2009 0 5', '%Y %W %w', 2009, 1, 2, 0, 0, 0, 4, 2)
640 check('2009 1 6', '%G %V %u', 2009, 1, 3, 0, 0, 0, 5, 3)
641 check('2009 0 6', '%Y %U %w', 2009, 1, 3, 0, 0, 0, 5, 3)
642 check('2009 0 6', '%Y %W %w', 2009, 1, 3, 0, 0, 0, 5, 3)
643 check('2009 1 7', '%G %V %u', 2009, 1, 4, 0, 0, 0, 6, 4)
644
645
646 class ESC[4;38;5;81mCacheTests(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
647 """Test that caching works properly."""
648
649 def test_time_re_recreation(self):
650 # Make sure cache is recreated when current locale does not match what
651 # cached object was created with.
652 _strptime._strptime_time("10", "%d")
653 _strptime._strptime_time("2005", "%Y")
654 _strptime._TimeRE_cache.locale_time.lang = "Ni"
655 original_time_re = _strptime._TimeRE_cache
656 _strptime._strptime_time("10", "%d")
657 self.assertIsNot(original_time_re, _strptime._TimeRE_cache)
658 self.assertEqual(len(_strptime._regex_cache), 1)
659
660 def test_regex_cleanup(self):
661 # Make sure cached regexes are discarded when cache becomes "full".
662 try:
663 del _strptime._regex_cache['%d']
664 except KeyError:
665 pass
666 bogus_key = 0
667 while len(_strptime._regex_cache) <= _strptime._CACHE_MAX_SIZE:
668 _strptime._regex_cache[bogus_key] = None
669 bogus_key += 1
670 _strptime._strptime_time("10", "%d")
671 self.assertEqual(len(_strptime._regex_cache), 1)
672
673 def test_new_localetime(self):
674 # A new LocaleTime instance should be created when a new TimeRE object
675 # is created.
676 locale_time_id = _strptime._TimeRE_cache.locale_time
677 _strptime._TimeRE_cache.locale_time.lang = "Ni"
678 _strptime._strptime_time("10", "%d")
679 self.assertIsNot(locale_time_id, _strptime._TimeRE_cache.locale_time)
680
681 def test_TimeRE_recreation_locale(self):
682 # The TimeRE instance should be recreated upon changing the locale.
683 locale_info = locale.getlocale(locale.LC_TIME)
684 try:
685 locale.setlocale(locale.LC_TIME, ('en_US', 'UTF8'))
686 except locale.Error:
687 self.skipTest('test needs en_US.UTF8 locale')
688 try:
689 _strptime._strptime_time('10', '%d')
690 # Get id of current cache object.
691 first_time_re = _strptime._TimeRE_cache
692 try:
693 # Change the locale and force a recreation of the cache.
694 locale.setlocale(locale.LC_TIME, ('de_DE', 'UTF8'))
695 _strptime._strptime_time('10', '%d')
696 # Get the new cache object's id.
697 second_time_re = _strptime._TimeRE_cache
698 # They should not be equal.
699 self.assertIsNot(first_time_re, second_time_re)
700 # Possible test locale is not supported while initial locale is.
701 # If this is the case just suppress the exception and fall-through
702 # to the resetting to the original locale.
703 except locale.Error:
704 self.skipTest('test needs de_DE.UTF8 locale')
705 # Make sure we don't trample on the locale setting once we leave the
706 # test.
707 finally:
708 locale.setlocale(locale.LC_TIME, locale_info)
709
710 @support.run_with_tz('STD-1DST,M4.1.0,M10.1.0')
711 def test_TimeRE_recreation_timezone(self):
712 # The TimeRE instance should be recreated upon changing the timezone.
713 oldtzname = time.tzname
714 tm = _strptime._strptime_time(time.tzname[0], '%Z')
715 self.assertEqual(tm.tm_isdst, 0)
716 tm = _strptime._strptime_time(time.tzname[1], '%Z')
717 self.assertEqual(tm.tm_isdst, 1)
718 # Get id of current cache object.
719 first_time_re = _strptime._TimeRE_cache
720 # Change the timezone and force a recreation of the cache.
721 os.environ['TZ'] = 'EST+05EDT,M3.2.0,M11.1.0'
722 time.tzset()
723 tm = _strptime._strptime_time(time.tzname[0], '%Z')
724 self.assertEqual(tm.tm_isdst, 0)
725 tm = _strptime._strptime_time(time.tzname[1], '%Z')
726 self.assertEqual(tm.tm_isdst, 1)
727 # Get the new cache object's id.
728 second_time_re = _strptime._TimeRE_cache
729 # They should not be equal.
730 self.assertIsNot(first_time_re, second_time_re)
731 # Make sure old names no longer accepted.
732 with self.assertRaises(ValueError):
733 _strptime._strptime_time(oldtzname[0], '%Z')
734 with self.assertRaises(ValueError):
735 _strptime._strptime_time(oldtzname[1], '%Z')
736
737
738 if __name__ == '__main__':
739 unittest.main()
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