1"""PyUnit testing against strptime""" 2 3import unittest 4import time 5import locale 6import re 7import os 8import sys 9from test import support 10from test.support import skip_if_buggy_ucrt_strfptime 11from datetime import date as datetime_date 12 13import _strptime 14 15class getlang_Tests(unittest.TestCase): 16 """Test _getlang""" 17 def test_basic(self): 18 self.assertEqual(_strptime._getlang(), locale.getlocale(locale.LC_TIME)) 19 20class LocaleTime_Tests(unittest.TestCase): 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 def test_timezone(self): 74 # Make sure timezone is correct 75 timezone = time.strftime("%Z", self.time_tuple).lower() 76 if timezone: 77 self.assertTrue(timezone in self.LT_ins.timezone[0] or 78 timezone in self.LT_ins.timezone[1], 79 "timezone %s not found in %s" % 80 (timezone, self.LT_ins.timezone)) 81 82 def test_date_time(self): 83 # Check that LC_date_time, LC_date, and LC_time are correct 84 # the magic date is used so as to not have issues with %c when day of 85 # the month is a single digit and has a leading space. This is not an 86 # issue since strptime still parses it correctly. The problem is 87 # testing these directives for correctness by comparing strftime 88 # output. 89 magic_date = (1999, 3, 17, 22, 44, 55, 2, 76, 0) 90 strftime_output = time.strftime("%c", magic_date) 91 self.assertEqual(time.strftime(self.LT_ins.LC_date_time, magic_date), 92 strftime_output, "LC_date_time incorrect") 93 strftime_output = time.strftime("%x", magic_date) 94 self.assertEqual(time.strftime(self.LT_ins.LC_date, magic_date), 95 strftime_output, "LC_date incorrect") 96 strftime_output = time.strftime("%X", magic_date) 97 self.assertEqual(time.strftime(self.LT_ins.LC_time, magic_date), 98 strftime_output, "LC_time incorrect") 99 LT = _strptime.LocaleTime() 100 LT.am_pm = ('', '') 101 self.assertTrue(LT.LC_time, "LocaleTime's LC directives cannot handle " 102 "empty strings") 103 104 def test_lang(self): 105 # Make sure lang is set to what _getlang() returns 106 # Assuming locale has not changed between now and when self.LT_ins was created 107 self.assertEqual(self.LT_ins.lang, _strptime._getlang()) 108 109 110class TimeRETests(unittest.TestCase): 111 """Tests for TimeRE.""" 112 113 def setUp(self): 114 """Construct generic TimeRE object.""" 115 self.time_re = _strptime.TimeRE() 116 self.locale_time = _strptime.LocaleTime() 117 118 def test_pattern(self): 119 # Test TimeRE.pattern 120 pattern_string = self.time_re.pattern(r"%a %A %d") 121 self.assertTrue(pattern_string.find(self.locale_time.a_weekday[2]) != -1, 122 "did not find abbreviated weekday in pattern string '%s'" % 123 pattern_string) 124 self.assertTrue(pattern_string.find(self.locale_time.f_weekday[4]) != -1, 125 "did not find full weekday in pattern string '%s'" % 126 pattern_string) 127 self.assertTrue(pattern_string.find(self.time_re['d']) != -1, 128 "did not find 'd' directive pattern string '%s'" % 129 pattern_string) 130 131 def test_pattern_escaping(self): 132 # Make sure any characters in the format string that might be taken as 133 # regex syntax is escaped. 134 pattern_string = self.time_re.pattern(r"\d+") 135 self.assertIn(r"\\d\+", pattern_string, 136 "%s does not have re characters escaped properly" % 137 pattern_string) 138 139 @skip_if_buggy_ucrt_strfptime 140 def test_compile(self): 141 # Check that compiled regex is correct 142 found = self.time_re.compile(r"%A").match(self.locale_time.f_weekday[6]) 143 self.assertTrue(found and found.group('A') == self.locale_time.f_weekday[6], 144 "re object for '%A' failed") 145 compiled = self.time_re.compile(r"%a %b") 146 found = compiled.match("%s %s" % (self.locale_time.a_weekday[4], 147 self.locale_time.a_month[4])) 148 self.assertTrue(found, 149 "Match failed with '%s' regex and '%s' string" % 150 (compiled.pattern, "%s %s" % (self.locale_time.a_weekday[4], 151 self.locale_time.a_month[4]))) 152 self.assertTrue(found.group('a') == self.locale_time.a_weekday[4] and 153 found.group('b') == self.locale_time.a_month[4], 154 "re object couldn't find the abbreviated weekday month in " 155 "'%s' using '%s'; group 'a' = '%s', group 'b' = %s'" % 156 (found.string, found.re.pattern, found.group('a'), 157 found.group('b'))) 158 for directive in ('a','A','b','B','c','d','G','H','I','j','m','M','p', 159 'S','u','U','V','w','W','x','X','y','Y','Z','%'): 160 compiled = self.time_re.compile("%" + directive) 161 found = compiled.match(time.strftime("%" + directive)) 162 self.assertTrue(found, "Matching failed on '%s' using '%s' regex" % 163 (time.strftime("%" + directive), 164 compiled.pattern)) 165 166 def test_blankpattern(self): 167 # Make sure when tuple or something has no values no regex is generated. 168 # Fixes bug #661354 169 test_locale = _strptime.LocaleTime() 170 test_locale.timezone = (frozenset(), frozenset()) 171 self.assertEqual(_strptime.TimeRE(test_locale).pattern("%Z"), '', 172 "with timezone == ('',''), TimeRE().pattern('%Z') != ''") 173 174 def test_matching_with_escapes(self): 175 # Make sure a format that requires escaping of characters works 176 compiled_re = self.time_re.compile(r"\w+ %m") 177 found = compiled_re.match(r"\w+ 10") 178 self.assertTrue(found, r"Escaping failed of format '\w+ 10'") 179 180 def test_locale_data_w_regex_metacharacters(self): 181 # Check that if locale data contains regex metacharacters they are 182 # escaped properly. 183 # Discovered by bug #1039270 . 184 locale_time = _strptime.LocaleTime() 185 locale_time.timezone = (frozenset(("utc", "gmt", 186 "Tokyo (standard time)")), 187 frozenset("Tokyo (daylight time)")) 188 time_re = _strptime.TimeRE(locale_time) 189 self.assertTrue(time_re.compile("%Z").match("Tokyo (standard time)"), 190 "locale data that contains regex metacharacters is not" 191 " properly escaped") 192 193 def test_whitespace_substitution(self): 194 # When pattern contains whitespace, make sure it is taken into account 195 # so as to not allow subpatterns to end up next to each other and 196 # "steal" characters from each other. 197 pattern = self.time_re.pattern('%j %H') 198 self.assertFalse(re.match(pattern, "180")) 199 self.assertTrue(re.match(pattern, "18 0")) 200 201 202class StrptimeTests(unittest.TestCase): 203 """Tests for _strptime.strptime.""" 204 205 def setUp(self): 206 """Create testing time tuple.""" 207 self.time_tuple = time.gmtime() 208 209 def test_ValueError(self): 210 # Make sure ValueError is raised when match fails or format is bad 211 self.assertRaises(ValueError, _strptime._strptime_time, data_string="%d", 212 format="%A") 213 for bad_format in ("%", "% ", "%e"): 214 try: 215 _strptime._strptime_time("2005", bad_format) 216 except ValueError: 217 continue 218 except Exception as err: 219 self.fail("'%s' raised %s, not ValueError" % 220 (bad_format, err.__class__.__name__)) 221 else: 222 self.fail("'%s' did not raise ValueError" % bad_format) 223 224 # Ambiguous or incomplete cases using ISO year/week/weekday directives 225 # 1. ISO week (%V) is specified, but the year is specified with %Y 226 # instead of %G 227 with self.assertRaises(ValueError): 228 _strptime._strptime("1999 50", "%Y %V") 229 # 2. ISO year (%G) and ISO week (%V) are specified, but weekday is not 230 with self.assertRaises(ValueError): 231 _strptime._strptime("1999 51", "%G %V") 232 # 3. ISO year (%G) and weekday are specified, but ISO week (%V) is not 233 for w in ('A', 'a', 'w', 'u'): 234 with self.assertRaises(ValueError): 235 _strptime._strptime("1999 51","%G %{}".format(w)) 236 # 4. ISO year is specified alone (e.g. time.strptime('2015', '%G')) 237 with self.assertRaises(ValueError): 238 _strptime._strptime("2015", "%G") 239 # 5. Julian/ordinal day (%j) is specified with %G, but not %Y 240 with self.assertRaises(ValueError): 241 _strptime._strptime("1999 256", "%G %j") 242 243 244 def test_strptime_exception_context(self): 245 # check that this doesn't chain exceptions needlessly (see #17572) 246 with self.assertRaises(ValueError) as e: 247 _strptime._strptime_time('', '%D') 248 self.assertIs(e.exception.__suppress_context__, True) 249 # additional check for IndexError branch (issue #19545) 250 with self.assertRaises(ValueError) as e: 251 _strptime._strptime_time('19', '%Y %') 252 self.assertIs(e.exception.__suppress_context__, True) 253 254 def test_unconverteddata(self): 255 # Check ValueError is raised when there is unconverted data 256 self.assertRaises(ValueError, _strptime._strptime_time, "10 12", "%m") 257 258 def helper(self, directive, position): 259 """Helper fxn in testing.""" 260 strf_output = time.strftime("%" + directive, self.time_tuple) 261 strp_output = _strptime._strptime_time(strf_output, "%" + directive) 262 self.assertTrue(strp_output[position] == self.time_tuple[position], 263 "testing of '%s' directive failed; '%s' -> %s != %s" % 264 (directive, strf_output, strp_output[position], 265 self.time_tuple[position])) 266 267 def test_year(self): 268 # Test that the year is handled properly 269 for directive in ('y', 'Y'): 270 self.helper(directive, 0) 271 # Must also make sure %y values are correct for bounds set by Open Group 272 for century, bounds in ((1900, ('69', '99')), (2000, ('00', '68'))): 273 for bound in bounds: 274 strp_output = _strptime._strptime_time(bound, '%y') 275 expected_result = century + int(bound) 276 self.assertTrue(strp_output[0] == expected_result, 277 "'y' test failed; passed in '%s' " 278 "and returned '%s'" % (bound, strp_output[0])) 279 280 def test_month(self): 281 # Test for month directives 282 for directive in ('B', 'b', 'm'): 283 self.helper(directive, 1) 284 285 def test_day(self): 286 # Test for day directives 287 self.helper('d', 2) 288 289 def test_hour(self): 290 # Test hour directives 291 self.helper('H', 3) 292 strf_output = time.strftime("%I %p", self.time_tuple) 293 strp_output = _strptime._strptime_time(strf_output, "%I %p") 294 self.assertTrue(strp_output[3] == self.time_tuple[3], 295 "testing of '%%I %%p' directive failed; '%s' -> %s != %s" % 296 (strf_output, strp_output[3], self.time_tuple[3])) 297 298 def test_minute(self): 299 # Test minute directives 300 self.helper('M', 4) 301 302 def test_second(self): 303 # Test second directives 304 self.helper('S', 5) 305 306 def test_fraction(self): 307 # Test microseconds 308 import datetime 309 d = datetime.datetime(2012, 12, 20, 12, 34, 56, 78987) 310 tup, frac, _ = _strptime._strptime(str(d), format="%Y-%m-%d %H:%M:%S.%f") 311 self.assertEqual(frac, d.microsecond) 312 313 def test_weekday(self): 314 # Test weekday directives 315 for directive in ('A', 'a', 'w', 'u'): 316 self.helper(directive,6) 317 318 def test_julian(self): 319 # Test julian directives 320 self.helper('j', 7) 321 322 def test_offset(self): 323 one_hour = 60 * 60 324 half_hour = 30 * 60 325 half_minute = 30 326 (*_, offset), _, offset_fraction = _strptime._strptime("+0130", "%z") 327 self.assertEqual(offset, one_hour + half_hour) 328 self.assertEqual(offset_fraction, 0) 329 (*_, offset), _, offset_fraction = _strptime._strptime("-0100", "%z") 330 self.assertEqual(offset, -one_hour) 331 self.assertEqual(offset_fraction, 0) 332 (*_, offset), _, offset_fraction = _strptime._strptime("-013030", "%z") 333 self.assertEqual(offset, -(one_hour + half_hour + half_minute)) 334 self.assertEqual(offset_fraction, 0) 335 (*_, offset), _, offset_fraction = _strptime._strptime("-013030.000001", "%z") 336 self.assertEqual(offset, -(one_hour + half_hour + half_minute)) 337 self.assertEqual(offset_fraction, -1) 338 (*_, offset), _, offset_fraction = _strptime._strptime("+01:00", "%z") 339 self.assertEqual(offset, one_hour) 340 self.assertEqual(offset_fraction, 0) 341 (*_, offset), _, offset_fraction = _strptime._strptime("-01:30", "%z") 342 self.assertEqual(offset, -(one_hour + half_hour)) 343 self.assertEqual(offset_fraction, 0) 344 (*_, offset), _, offset_fraction = _strptime._strptime("-01:30:30", "%z") 345 self.assertEqual(offset, -(one_hour + half_hour + half_minute)) 346 self.assertEqual(offset_fraction, 0) 347 (*_, offset), _, offset_fraction = _strptime._strptime("-01:30:30.000001", "%z") 348 self.assertEqual(offset, -(one_hour + half_hour + half_minute)) 349 self.assertEqual(offset_fraction, -1) 350 (*_, offset), _, offset_fraction = _strptime._strptime("+01:30:30.001", "%z") 351 self.assertEqual(offset, one_hour + half_hour + half_minute) 352 self.assertEqual(offset_fraction, 1000) 353 (*_, offset), _, offset_fraction = _strptime._strptime("Z", "%z") 354 self.assertEqual(offset, 0) 355 self.assertEqual(offset_fraction, 0) 356 357 def test_bad_offset(self): 358 with self.assertRaises(ValueError): 359 _strptime._strptime("-01:30:30.", "%z") 360 with self.assertRaises(ValueError): 361 _strptime._strptime("-0130:30", "%z") 362 with self.assertRaises(ValueError): 363 _strptime._strptime("-01:30:30.1234567", "%z") 364 with self.assertRaises(ValueError): 365 _strptime._strptime("-01:30:30:123456", "%z") 366 with self.assertRaises(ValueError) as err: 367 _strptime._strptime("-01:3030", "%z") 368 self.assertEqual("Inconsistent use of : in -01:3030", str(err.exception)) 369 370 @skip_if_buggy_ucrt_strfptime 371 def test_timezone(self): 372 # Test timezone directives. 373 # When gmtime() is used with %Z, entire result of strftime() is empty. 374 # Check for equal timezone names deals with bad locale info when this 375 # occurs; first found in FreeBSD 4.4. 376 strp_output = _strptime._strptime_time("UTC", "%Z") 377 self.assertEqual(strp_output.tm_isdst, 0) 378 strp_output = _strptime._strptime_time("GMT", "%Z") 379 self.assertEqual(strp_output.tm_isdst, 0) 380 time_tuple = time.localtime() 381 strf_output = time.strftime("%Z") #UTC does not have a timezone 382 strp_output = _strptime._strptime_time(strf_output, "%Z") 383 locale_time = _strptime.LocaleTime() 384 if time.tzname[0] != time.tzname[1] or not time.daylight: 385 self.assertTrue(strp_output[8] == time_tuple[8], 386 "timezone check failed; '%s' -> %s != %s" % 387 (strf_output, strp_output[8], time_tuple[8])) 388 else: 389 self.assertTrue(strp_output[8] == -1, 390 "LocaleTime().timezone has duplicate values and " 391 "time.daylight but timezone value not set to -1") 392 393 def test_bad_timezone(self): 394 # Explicitly test possibility of bad timezone; 395 # when time.tzname[0] == time.tzname[1] and time.daylight 396 tz_name = time.tzname[0] 397 if tz_name.upper() in ("UTC", "GMT"): 398 self.skipTest('need non-UTC/GMT timezone') 399 400 with support.swap_attr(time, 'tzname', (tz_name, tz_name)), \ 401 support.swap_attr(time, 'daylight', 1), \ 402 support.swap_attr(time, 'tzset', lambda: None): 403 time.tzname = (tz_name, tz_name) 404 time.daylight = 1 405 tz_value = _strptime._strptime_time(tz_name, "%Z")[8] 406 self.assertEqual(tz_value, -1, 407 "%s lead to a timezone value of %s instead of -1 when " 408 "time.daylight set to %s and passing in %s" % 409 (time.tzname, tz_value, time.daylight, tz_name)) 410 411 def test_date_time(self): 412 # Test %c directive 413 for position in range(6): 414 self.helper('c', position) 415 416 def test_date(self): 417 # Test %x directive 418 for position in range(0,3): 419 self.helper('x', position) 420 421 def test_time(self): 422 # Test %X directive 423 for position in range(3,6): 424 self.helper('X', position) 425 426 def test_percent(self): 427 # Make sure % signs are handled properly 428 strf_output = time.strftime("%m %% %Y", self.time_tuple) 429 strp_output = _strptime._strptime_time(strf_output, "%m %% %Y") 430 self.assertTrue(strp_output[0] == self.time_tuple[0] and 431 strp_output[1] == self.time_tuple[1], 432 "handling of percent sign failed") 433 434 def test_caseinsensitive(self): 435 # Should handle names case-insensitively. 436 strf_output = time.strftime("%B", self.time_tuple) 437 self.assertTrue(_strptime._strptime_time(strf_output.upper(), "%B"), 438 "strptime does not handle ALL-CAPS names properly") 439 self.assertTrue(_strptime._strptime_time(strf_output.lower(), "%B"), 440 "strptime does not handle lowercase names properly") 441 self.assertTrue(_strptime._strptime_time(strf_output.capitalize(), "%B"), 442 "strptime does not handle capword names properly") 443 444 def test_defaults(self): 445 # Default return value should be (1900, 1, 1, 0, 0, 0, 0, 1, 0) 446 defaults = (1900, 1, 1, 0, 0, 0, 0, 1, -1) 447 strp_output = _strptime._strptime_time('1', '%m') 448 self.assertTrue(strp_output == defaults, 449 "Default values for strptime() are incorrect;" 450 " %s != %s" % (strp_output, defaults)) 451 452 def test_escaping(self): 453 # Make sure all characters that have regex significance are escaped. 454 # Parentheses are in a purposeful order; will cause an error of 455 # unbalanced parentheses when the regex is compiled if they are not 456 # escaped. 457 # Test instigated by bug #796149 . 458 need_escaping = r".^$*+?{}\[]|)(" 459 self.assertTrue(_strptime._strptime_time(need_escaping, need_escaping)) 460 461 def test_feb29_on_leap_year_without_year(self): 462 time.strptime("Feb 29", "%b %d") 463 464 def test_mar1_comes_after_feb29_even_when_omitting_the_year(self): 465 self.assertLess( 466 time.strptime("Feb 29", "%b %d"), 467 time.strptime("Mar 1", "%b %d")) 468 469class Strptime12AMPMTests(unittest.TestCase): 470 """Test a _strptime regression in '%I %p' at 12 noon (12 PM)""" 471 472 def test_twelve_noon_midnight(self): 473 eq = self.assertEqual 474 eq(time.strptime('12 PM', '%I %p')[3], 12) 475 eq(time.strptime('12 AM', '%I %p')[3], 0) 476 eq(_strptime._strptime_time('12 PM', '%I %p')[3], 12) 477 eq(_strptime._strptime_time('12 AM', '%I %p')[3], 0) 478 479 480class JulianTests(unittest.TestCase): 481 """Test a _strptime regression that all julian (1-366) are accepted""" 482 483 def test_all_julian_days(self): 484 eq = self.assertEqual 485 for i in range(1, 367): 486 # use 2004, since it is a leap year, we have 366 days 487 eq(_strptime._strptime_time('%d 2004' % i, '%j %Y')[7], i) 488 489class CalculationTests(unittest.TestCase): 490 """Test that strptime() fills in missing info correctly""" 491 492 def setUp(self): 493 self.time_tuple = time.gmtime() 494 495 @skip_if_buggy_ucrt_strfptime 496 def test_julian_calculation(self): 497 # Make sure that when Julian is missing that it is calculated 498 format_string = "%Y %m %d %H %M %S %w %Z" 499 result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple), 500 format_string) 501 self.assertTrue(result.tm_yday == self.time_tuple.tm_yday, 502 "Calculation of tm_yday failed; %s != %s" % 503 (result.tm_yday, self.time_tuple.tm_yday)) 504 505 @skip_if_buggy_ucrt_strfptime 506 def test_gregorian_calculation(self): 507 # Test that Gregorian date can be calculated from Julian day 508 format_string = "%Y %H %M %S %w %j %Z" 509 result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple), 510 format_string) 511 self.assertTrue(result.tm_year == self.time_tuple.tm_year and 512 result.tm_mon == self.time_tuple.tm_mon and 513 result.tm_mday == self.time_tuple.tm_mday, 514 "Calculation of Gregorian date failed; " 515 "%s-%s-%s != %s-%s-%s" % 516 (result.tm_year, result.tm_mon, result.tm_mday, 517 self.time_tuple.tm_year, self.time_tuple.tm_mon, 518 self.time_tuple.tm_mday)) 519 520 @skip_if_buggy_ucrt_strfptime 521 def test_day_of_week_calculation(self): 522 # Test that the day of the week is calculated as needed 523 format_string = "%Y %m %d %H %S %j %Z" 524 result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple), 525 format_string) 526 self.assertTrue(result.tm_wday == self.time_tuple.tm_wday, 527 "Calculation of day of the week failed; " 528 "%s != %s" % (result.tm_wday, self.time_tuple.tm_wday)) 529 530 if support.is_android: 531 # Issue #26929: strftime() on Android incorrectly formats %V or %G for 532 # the last or the first incomplete week in a year. 533 _ymd_excluded = ((1905, 1, 1), (1906, 12, 31), (2008, 12, 29), 534 (1917, 12, 31)) 535 _formats_excluded = ('%G %V',) 536 else: 537 _ymd_excluded = () 538 _formats_excluded = () 539 540 @unittest.skipIf(sys.platform.startswith('aix'), 541 'bpo-29972: broken test on AIX') 542 def test_week_of_year_and_day_of_week_calculation(self): 543 # Should be able to infer date if given year, week of year (%U or %W) 544 # and day of the week 545 def test_helper(ymd_tuple, test_reason): 546 for year_week_format in ('%Y %W', '%Y %U', '%G %V'): 547 if (year_week_format in self._formats_excluded and 548 ymd_tuple in self._ymd_excluded): 549 return 550 for weekday_format in ('%w', '%u', '%a', '%A'): 551 format_string = year_week_format + ' ' + weekday_format 552 with self.subTest(test_reason, 553 date=ymd_tuple, 554 format=format_string): 555 dt_date = datetime_date(*ymd_tuple) 556 strp_input = dt_date.strftime(format_string) 557 strp_output = _strptime._strptime_time(strp_input, 558 format_string) 559 msg = "%r: %s != %s" % (strp_input, 560 strp_output[7], 561 dt_date.timetuple()[7]) 562 self.assertEqual(strp_output[:3], ymd_tuple, msg) 563 test_helper((1901, 1, 3), "week 0") 564 test_helper((1901, 1, 8), "common case") 565 test_helper((1901, 1, 13), "day on Sunday") 566 test_helper((1901, 1, 14), "day on Monday") 567 test_helper((1905, 1, 1), "Jan 1 on Sunday") 568 test_helper((1906, 1, 1), "Jan 1 on Monday") 569 test_helper((1906, 1, 7), "first Sunday in a year starting on Monday") 570 test_helper((1905, 12, 31), "Dec 31 on Sunday") 571 test_helper((1906, 12, 31), "Dec 31 on Monday") 572 test_helper((2008, 12, 29), "Monday in the last week of the year") 573 test_helper((2008, 12, 22), "Monday in the second-to-last week of the " 574 "year") 575 test_helper((1978, 10, 23), "randomly chosen date") 576 test_helper((2004, 12, 18), "randomly chosen date") 577 test_helper((1978, 10, 23), "year starting and ending on Monday while " 578 "date not on Sunday or Monday") 579 test_helper((1917, 12, 17), "year starting and ending on Monday with " 580 "a Monday not at the beginning or end " 581 "of the year") 582 test_helper((1917, 12, 31), "Dec 31 on Monday with year starting and " 583 "ending on Monday") 584 test_helper((2007, 1, 7), "First Sunday of 2007") 585 test_helper((2007, 1, 14), "Second Sunday of 2007") 586 test_helper((2006, 12, 31), "Last Sunday of 2006") 587 test_helper((2006, 12, 24), "Second to last Sunday of 2006") 588 589 def test_week_0(self): 590 def check(value, format, *expected): 591 self.assertEqual(_strptime._strptime_time(value, format)[:-1], expected) 592 check('2015 0 0', '%Y %U %w', 2014, 12, 28, 0, 0, 0, 6, 362) 593 check('2015 0 0', '%Y %W %w', 2015, 1, 4, 0, 0, 0, 6, 4) 594 check('2015 1 1', '%G %V %u', 2014, 12, 29, 0, 0, 0, 0, 363) 595 check('2015 0 1', '%Y %U %w', 2014, 12, 29, 0, 0, 0, 0, 363) 596 check('2015 0 1', '%Y %W %w', 2014, 12, 29, 0, 0, 0, 0, 363) 597 check('2015 1 2', '%G %V %u', 2014, 12, 30, 0, 0, 0, 1, 364) 598 check('2015 0 2', '%Y %U %w', 2014, 12, 30, 0, 0, 0, 1, 364) 599 check('2015 0 2', '%Y %W %w', 2014, 12, 30, 0, 0, 0, 1, 364) 600 check('2015 1 3', '%G %V %u', 2014, 12, 31, 0, 0, 0, 2, 365) 601 check('2015 0 3', '%Y %U %w', 2014, 12, 31, 0, 0, 0, 2, 365) 602 check('2015 0 3', '%Y %W %w', 2014, 12, 31, 0, 0, 0, 2, 365) 603 check('2015 1 4', '%G %V %u', 2015, 1, 1, 0, 0, 0, 3, 1) 604 check('2015 0 4', '%Y %U %w', 2015, 1, 1, 0, 0, 0, 3, 1) 605 check('2015 0 4', '%Y %W %w', 2015, 1, 1, 0, 0, 0, 3, 1) 606 check('2015 1 5', '%G %V %u', 2015, 1, 2, 0, 0, 0, 4, 2) 607 check('2015 0 5', '%Y %U %w', 2015, 1, 2, 0, 0, 0, 4, 2) 608 check('2015 0 5', '%Y %W %w', 2015, 1, 2, 0, 0, 0, 4, 2) 609 check('2015 1 6', '%G %V %u', 2015, 1, 3, 0, 0, 0, 5, 3) 610 check('2015 0 6', '%Y %U %w', 2015, 1, 3, 0, 0, 0, 5, 3) 611 check('2015 0 6', '%Y %W %w', 2015, 1, 3, 0, 0, 0, 5, 3) 612 check('2015 1 7', '%G %V %u', 2015, 1, 4, 0, 0, 0, 6, 4) 613 614 check('2009 0 0', '%Y %U %w', 2008, 12, 28, 0, 0, 0, 6, 363) 615 check('2009 0 0', '%Y %W %w', 2009, 1, 4, 0, 0, 0, 6, 4) 616 check('2009 1 1', '%G %V %u', 2008, 12, 29, 0, 0, 0, 0, 364) 617 check('2009 0 1', '%Y %U %w', 2008, 12, 29, 0, 0, 0, 0, 364) 618 check('2009 0 1', '%Y %W %w', 2008, 12, 29, 0, 0, 0, 0, 364) 619 check('2009 1 2', '%G %V %u', 2008, 12, 30, 0, 0, 0, 1, 365) 620 check('2009 0 2', '%Y %U %w', 2008, 12, 30, 0, 0, 0, 1, 365) 621 check('2009 0 2', '%Y %W %w', 2008, 12, 30, 0, 0, 0, 1, 365) 622 check('2009 1 3', '%G %V %u', 2008, 12, 31, 0, 0, 0, 2, 366) 623 check('2009 0 3', '%Y %U %w', 2008, 12, 31, 0, 0, 0, 2, 366) 624 check('2009 0 3', '%Y %W %w', 2008, 12, 31, 0, 0, 0, 2, 366) 625 check('2009 1 4', '%G %V %u', 2009, 1, 1, 0, 0, 0, 3, 1) 626 check('2009 0 4', '%Y %U %w', 2009, 1, 1, 0, 0, 0, 3, 1) 627 check('2009 0 4', '%Y %W %w', 2009, 1, 1, 0, 0, 0, 3, 1) 628 check('2009 1 5', '%G %V %u', 2009, 1, 2, 0, 0, 0, 4, 2) 629 check('2009 0 5', '%Y %U %w', 2009, 1, 2, 0, 0, 0, 4, 2) 630 check('2009 0 5', '%Y %W %w', 2009, 1, 2, 0, 0, 0, 4, 2) 631 check('2009 1 6', '%G %V %u', 2009, 1, 3, 0, 0, 0, 5, 3) 632 check('2009 0 6', '%Y %U %w', 2009, 1, 3, 0, 0, 0, 5, 3) 633 check('2009 0 6', '%Y %W %w', 2009, 1, 3, 0, 0, 0, 5, 3) 634 check('2009 1 7', '%G %V %u', 2009, 1, 4, 0, 0, 0, 6, 4) 635 636 637class CacheTests(unittest.TestCase): 638 """Test that caching works properly.""" 639 640 def test_time_re_recreation(self): 641 # Make sure cache is recreated when current locale does not match what 642 # cached object was created with. 643 _strptime._strptime_time("10", "%d") 644 _strptime._strptime_time("2005", "%Y") 645 _strptime._TimeRE_cache.locale_time.lang = "Ni" 646 original_time_re = _strptime._TimeRE_cache 647 _strptime._strptime_time("10", "%d") 648 self.assertIsNot(original_time_re, _strptime._TimeRE_cache) 649 self.assertEqual(len(_strptime._regex_cache), 1) 650 651 def test_regex_cleanup(self): 652 # Make sure cached regexes are discarded when cache becomes "full". 653 try: 654 del _strptime._regex_cache['%d'] 655 except KeyError: 656 pass 657 bogus_key = 0 658 while len(_strptime._regex_cache) <= _strptime._CACHE_MAX_SIZE: 659 _strptime._regex_cache[bogus_key] = None 660 bogus_key += 1 661 _strptime._strptime_time("10", "%d") 662 self.assertEqual(len(_strptime._regex_cache), 1) 663 664 def test_new_localetime(self): 665 # A new LocaleTime instance should be created when a new TimeRE object 666 # is created. 667 locale_time_id = _strptime._TimeRE_cache.locale_time 668 _strptime._TimeRE_cache.locale_time.lang = "Ni" 669 _strptime._strptime_time("10", "%d") 670 self.assertIsNot(locale_time_id, _strptime._TimeRE_cache.locale_time) 671 672 def test_TimeRE_recreation_locale(self): 673 # The TimeRE instance should be recreated upon changing the locale. 674 locale_info = locale.getlocale(locale.LC_TIME) 675 try: 676 locale.setlocale(locale.LC_TIME, ('en_US', 'UTF8')) 677 except locale.Error: 678 self.skipTest('test needs en_US.UTF8 locale') 679 try: 680 _strptime._strptime_time('10', '%d') 681 # Get id of current cache object. 682 first_time_re = _strptime._TimeRE_cache 683 try: 684 # Change the locale and force a recreation of the cache. 685 locale.setlocale(locale.LC_TIME, ('de_DE', 'UTF8')) 686 _strptime._strptime_time('10', '%d') 687 # Get the new cache object's id. 688 second_time_re = _strptime._TimeRE_cache 689 # They should not be equal. 690 self.assertIsNot(first_time_re, second_time_re) 691 # Possible test locale is not supported while initial locale is. 692 # If this is the case just suppress the exception and fall-through 693 # to the resetting to the original locale. 694 except locale.Error: 695 self.skipTest('test needs de_DE.UTF8 locale') 696 # Make sure we don't trample on the locale setting once we leave the 697 # test. 698 finally: 699 locale.setlocale(locale.LC_TIME, locale_info) 700 701 @support.run_with_tz('STD-1DST,M4.1.0,M10.1.0') 702 def test_TimeRE_recreation_timezone(self): 703 # The TimeRE instance should be recreated upon changing the timezone. 704 oldtzname = time.tzname 705 tm = _strptime._strptime_time(time.tzname[0], '%Z') 706 self.assertEqual(tm.tm_isdst, 0) 707 tm = _strptime._strptime_time(time.tzname[1], '%Z') 708 self.assertEqual(tm.tm_isdst, 1) 709 # Get id of current cache object. 710 first_time_re = _strptime._TimeRE_cache 711 # Change the timezone and force a recreation of the cache. 712 os.environ['TZ'] = 'EST+05EDT,M3.2.0,M11.1.0' 713 time.tzset() 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 the new cache object's id. 719 second_time_re = _strptime._TimeRE_cache 720 # They should not be equal. 721 self.assertIsNot(first_time_re, second_time_re) 722 # Make sure old names no longer accepted. 723 with self.assertRaises(ValueError): 724 _strptime._strptime_time(oldtzname[0], '%Z') 725 with self.assertRaises(ValueError): 726 _strptime._strptime_time(oldtzname[1], '%Z') 727 728 729if __name__ == '__main__': 730 unittest.main() 731