1"""PyUnit testing against strptime""" 2 3import unittest 4import time 5import locale 6import re 7import os 8from test import support 9from datetime import date as datetime_date 10 11import _strptime 12 13class getlang_Tests(unittest.TestCase): 14 """Test _getlang""" 15 def test_basic(self): 16 self.assertEqual(_strptime._getlang(), locale.getlocale(locale.LC_TIME)) 17 18class LocaleTime_Tests(unittest.TestCase): 19 """Tests for _strptime.LocaleTime. 20 21 All values are lower-cased when stored in LocaleTime, so make sure to 22 compare values after running ``lower`` on them. 23 24 """ 25 26 def setUp(self): 27 """Create time tuple based on current time.""" 28 self.time_tuple = time.localtime() 29 self.LT_ins = _strptime.LocaleTime() 30 31 def compare_against_time(self, testing, directive, tuple_position, 32 error_msg): 33 """Helper method that tests testing against directive based on the 34 tuple_position of time_tuple. Uses error_msg as error message. 35 36 """ 37 strftime_output = time.strftime(directive, self.time_tuple).lower() 38 comparison = testing[self.time_tuple[tuple_position]] 39 self.assertIn(strftime_output, testing, 40 "%s: not found in tuple" % error_msg) 41 self.assertEqual(comparison, strftime_output, 42 "%s: position within tuple incorrect; %s != %s" % 43 (error_msg, comparison, strftime_output)) 44 45 def test_weekday(self): 46 # Make sure that full and abbreviated weekday names are correct in 47 # both string and position with tuple 48 self.compare_against_time(self.LT_ins.f_weekday, '%A', 6, 49 "Testing of full weekday name failed") 50 self.compare_against_time(self.LT_ins.a_weekday, '%a', 6, 51 "Testing of abbreviated weekday name failed") 52 53 def test_month(self): 54 # Test full and abbreviated month names; both string and position 55 # within the tuple 56 self.compare_against_time(self.LT_ins.f_month, '%B', 1, 57 "Testing against full month name failed") 58 self.compare_against_time(self.LT_ins.a_month, '%b', 1, 59 "Testing against abbreviated month name failed") 60 61 def test_am_pm(self): 62 # Make sure AM/PM representation done properly 63 strftime_output = time.strftime("%p", self.time_tuple).lower() 64 self.assertIn(strftime_output, self.LT_ins.am_pm, 65 "AM/PM representation not in tuple") 66 if self.time_tuple[3] < 12: position = 0 67 else: position = 1 68 self.assertEqual(self.LT_ins.am_pm[position], strftime_output, 69 "AM/PM representation in the wrong position within the tuple") 70 71 def test_timezone(self): 72 # Make sure timezone is correct 73 timezone = time.strftime("%Z", self.time_tuple).lower() 74 if timezone: 75 self.assertTrue(timezone in self.LT_ins.timezone[0] or 76 timezone in self.LT_ins.timezone[1], 77 "timezone %s not found in %s" % 78 (timezone, self.LT_ins.timezone)) 79 80 def test_date_time(self): 81 # Check that LC_date_time, LC_date, and LC_time are correct 82 # the magic date is used so as to not have issues with %c when day of 83 # the month is a single digit and has a leading space. This is not an 84 # issue since strptime still parses it correctly. The problem is 85 # testing these directives for correctness by comparing strftime 86 # output. 87 magic_date = (1999, 3, 17, 22, 44, 55, 2, 76, 0) 88 strftime_output = time.strftime("%c", magic_date) 89 self.assertEqual(time.strftime(self.LT_ins.LC_date_time, magic_date), 90 strftime_output, "LC_date_time incorrect") 91 strftime_output = time.strftime("%x", magic_date) 92 self.assertEqual(time.strftime(self.LT_ins.LC_date, magic_date), 93 strftime_output, "LC_date incorrect") 94 strftime_output = time.strftime("%X", magic_date) 95 self.assertEqual(time.strftime(self.LT_ins.LC_time, magic_date), 96 strftime_output, "LC_time incorrect") 97 LT = _strptime.LocaleTime() 98 LT.am_pm = ('', '') 99 self.assertTrue(LT.LC_time, "LocaleTime's LC directives cannot handle " 100 "empty strings") 101 102 def test_lang(self): 103 # Make sure lang is set to what _getlang() returns 104 # Assuming locale has not changed between now and when self.LT_ins was created 105 self.assertEqual(self.LT_ins.lang, _strptime._getlang()) 106 107 108class TimeRETests(unittest.TestCase): 109 """Tests for TimeRE.""" 110 111 def setUp(self): 112 """Construct generic TimeRE object.""" 113 self.time_re = _strptime.TimeRE() 114 self.locale_time = _strptime.LocaleTime() 115 116 def test_pattern(self): 117 # Test TimeRE.pattern 118 pattern_string = self.time_re.pattern(r"%a %A %d") 119 self.assertTrue(pattern_string.find(self.locale_time.a_weekday[2]) != -1, 120 "did not find abbreviated weekday in pattern string '%s'" % 121 pattern_string) 122 self.assertTrue(pattern_string.find(self.locale_time.f_weekday[4]) != -1, 123 "did not find full weekday in pattern string '%s'" % 124 pattern_string) 125 self.assertTrue(pattern_string.find(self.time_re['d']) != -1, 126 "did not find 'd' directive pattern string '%s'" % 127 pattern_string) 128 129 def test_pattern_escaping(self): 130 # Make sure any characters in the format string that might be taken as 131 # regex syntax is escaped. 132 pattern_string = self.time_re.pattern(r"\d+") 133 self.assertIn(r"\\d\+", pattern_string, 134 "%s does not have re characters escaped properly" % 135 pattern_string) 136 137 def test_compile(self): 138 # Check that compiled regex is correct 139 found = self.time_re.compile(r"%A").match(self.locale_time.f_weekday[6]) 140 self.assertTrue(found and found.group('A') == self.locale_time.f_weekday[6], 141 "re object for '%A' failed") 142 compiled = self.time_re.compile(r"%a %b") 143 found = compiled.match("%s %s" % (self.locale_time.a_weekday[4], 144 self.locale_time.a_month[4])) 145 self.assertTrue(found, 146 "Match failed with '%s' regex and '%s' string" % 147 (compiled.pattern, "%s %s" % (self.locale_time.a_weekday[4], 148 self.locale_time.a_month[4]))) 149 self.assertTrue(found.group('a') == self.locale_time.a_weekday[4] and 150 found.group('b') == self.locale_time.a_month[4], 151 "re object couldn't find the abbreviated weekday month in " 152 "'%s' using '%s'; group 'a' = '%s', group 'b' = %s'" % 153 (found.string, found.re.pattern, found.group('a'), 154 found.group('b'))) 155 for directive in ('a','A','b','B','c','d','G','H','I','j','m','M','p', 156 'S','u','U','V','w','W','x','X','y','Y','Z','%'): 157 compiled = self.time_re.compile("%" + directive) 158 found = compiled.match(time.strftime("%" + directive)) 159 self.assertTrue(found, "Matching failed on '%s' using '%s' regex" % 160 (time.strftime("%" + directive), 161 compiled.pattern)) 162 163 def test_blankpattern(self): 164 # Make sure when tuple or something has no values no regex is generated. 165 # Fixes bug #661354 166 test_locale = _strptime.LocaleTime() 167 test_locale.timezone = (frozenset(), frozenset()) 168 self.assertEqual(_strptime.TimeRE(test_locale).pattern("%Z"), '', 169 "with timezone == ('',''), TimeRE().pattern('%Z') != ''") 170 171 def test_matching_with_escapes(self): 172 # Make sure a format that requires escaping of characters works 173 compiled_re = self.time_re.compile(r"\w+ %m") 174 found = compiled_re.match(r"\w+ 10") 175 self.assertTrue(found, r"Escaping failed of format '\w+ 10'") 176 177 def test_locale_data_w_regex_metacharacters(self): 178 # Check that if locale data contains regex metacharacters they are 179 # escaped properly. 180 # Discovered by bug #1039270 . 181 locale_time = _strptime.LocaleTime() 182 locale_time.timezone = (frozenset(("utc", "gmt", 183 "Tokyo (standard time)")), 184 frozenset("Tokyo (daylight time)")) 185 time_re = _strptime.TimeRE(locale_time) 186 self.assertTrue(time_re.compile("%Z").match("Tokyo (standard time)"), 187 "locale data that contains regex metacharacters is not" 188 " properly escaped") 189 190 def test_whitespace_substitution(self): 191 # When pattern contains whitespace, make sure it is taken into account 192 # so as to not allow subpatterns to end up next to each other and 193 # "steal" characters from each other. 194 pattern = self.time_re.pattern('%j %H') 195 self.assertFalse(re.match(pattern, "180")) 196 self.assertTrue(re.match(pattern, "18 0")) 197 198 199class StrptimeTests(unittest.TestCase): 200 """Tests for _strptime.strptime.""" 201 202 def setUp(self): 203 """Create testing time tuple.""" 204 self.time_tuple = time.gmtime() 205 206 def test_ValueError(self): 207 # Make sure ValueError is raised when match fails or format is bad 208 self.assertRaises(ValueError, _strptime._strptime_time, data_string="%d", 209 format="%A") 210 for bad_format in ("%", "% ", "%e"): 211 try: 212 _strptime._strptime_time("2005", bad_format) 213 except ValueError: 214 continue 215 except Exception as err: 216 self.fail("'%s' raised %s, not ValueError" % 217 (bad_format, err.__class__.__name__)) 218 else: 219 self.fail("'%s' did not raise ValueError" % bad_format) 220 221 # Ambiguous or incomplete cases using ISO year/week/weekday directives 222 # 1. ISO week (%V) is specified, but the year is specified with %Y 223 # instead of %G 224 with self.assertRaises(ValueError): 225 _strptime._strptime("1999 50", "%Y %V") 226 # 2. ISO year (%G) and ISO week (%V) are specified, but weekday is not 227 with self.assertRaises(ValueError): 228 _strptime._strptime("1999 51", "%G %V") 229 # 3. ISO year (%G) and weekday are specified, but ISO week (%V) is not 230 for w in ('A', 'a', 'w', 'u'): 231 with self.assertRaises(ValueError): 232 _strptime._strptime("1999 51","%G %{}".format(w)) 233 # 4. ISO year is specified alone (e.g. time.strptime('2015', '%G')) 234 with self.assertRaises(ValueError): 235 _strptime._strptime("2015", "%G") 236 # 5. Julian/ordinal day (%j) is specified with %G, but not %Y 237 with self.assertRaises(ValueError): 238 _strptime._strptime("1999 256", "%G %j") 239 240 241 def test_strptime_exception_context(self): 242 # check that this doesn't chain exceptions needlessly (see #17572) 243 with self.assertRaises(ValueError) as e: 244 _strptime._strptime_time('', '%D') 245 self.assertIs(e.exception.__suppress_context__, True) 246 # additional check for IndexError branch (issue #19545) 247 with self.assertRaises(ValueError) as e: 248 _strptime._strptime_time('19', '%Y %') 249 self.assertIs(e.exception.__suppress_context__, True) 250 251 def test_unconverteddata(self): 252 # Check ValueError is raised when there is unconverted data 253 self.assertRaises(ValueError, _strptime._strptime_time, "10 12", "%m") 254 255 def helper(self, directive, position): 256 """Helper fxn in testing.""" 257 strf_output = time.strftime("%" + directive, self.time_tuple) 258 strp_output = _strptime._strptime_time(strf_output, "%" + directive) 259 self.assertTrue(strp_output[position] == self.time_tuple[position], 260 "testing of '%s' directive failed; '%s' -> %s != %s" % 261 (directive, strf_output, strp_output[position], 262 self.time_tuple[position])) 263 264 def test_year(self): 265 # Test that the year is handled properly 266 for directive in ('y', 'Y'): 267 self.helper(directive, 0) 268 # Must also make sure %y values are correct for bounds set by Open Group 269 for century, bounds in ((1900, ('69', '99')), (2000, ('00', '68'))): 270 for bound in bounds: 271 strp_output = _strptime._strptime_time(bound, '%y') 272 expected_result = century + int(bound) 273 self.assertTrue(strp_output[0] == expected_result, 274 "'y' test failed; passed in '%s' " 275 "and returned '%s'" % (bound, strp_output[0])) 276 277 def test_month(self): 278 # Test for month directives 279 for directive in ('B', 'b', 'm'): 280 self.helper(directive, 1) 281 282 def test_day(self): 283 # Test for day directives 284 self.helper('d', 2) 285 286 def test_hour(self): 287 # Test hour directives 288 self.helper('H', 3) 289 strf_output = time.strftime("%I %p", self.time_tuple) 290 strp_output = _strptime._strptime_time(strf_output, "%I %p") 291 self.assertTrue(strp_output[3] == self.time_tuple[3], 292 "testing of '%%I %%p' directive failed; '%s' -> %s != %s" % 293 (strf_output, strp_output[3], self.time_tuple[3])) 294 295 def test_minute(self): 296 # Test minute directives 297 self.helper('M', 4) 298 299 def test_second(self): 300 # Test second directives 301 self.helper('S', 5) 302 303 def test_fraction(self): 304 # Test microseconds 305 import datetime 306 d = datetime.datetime(2012, 12, 20, 12, 34, 56, 78987) 307 tup, frac = _strptime._strptime(str(d), format="%Y-%m-%d %H:%M:%S.%f") 308 self.assertEqual(frac, d.microsecond) 309 310 def test_weekday(self): 311 # Test weekday directives 312 for directive in ('A', 'a', 'w', 'u'): 313 self.helper(directive,6) 314 315 def test_julian(self): 316 # Test julian directives 317 self.helper('j', 7) 318 319 def test_timezone(self): 320 # Test timezone directives. 321 # When gmtime() is used with %Z, entire result of strftime() is empty. 322 # Check for equal timezone names deals with bad locale info when this 323 # occurs; first found in FreeBSD 4.4. 324 strp_output = _strptime._strptime_time("UTC", "%Z") 325 self.assertEqual(strp_output.tm_isdst, 0) 326 strp_output = _strptime._strptime_time("GMT", "%Z") 327 self.assertEqual(strp_output.tm_isdst, 0) 328 time_tuple = time.localtime() 329 strf_output = time.strftime("%Z") #UTC does not have a timezone 330 strp_output = _strptime._strptime_time(strf_output, "%Z") 331 locale_time = _strptime.LocaleTime() 332 if time.tzname[0] != time.tzname[1] or not time.daylight: 333 self.assertTrue(strp_output[8] == time_tuple[8], 334 "timezone check failed; '%s' -> %s != %s" % 335 (strf_output, strp_output[8], time_tuple[8])) 336 else: 337 self.assertTrue(strp_output[8] == -1, 338 "LocaleTime().timezone has duplicate values and " 339 "time.daylight but timezone value not set to -1") 340 341 def test_bad_timezone(self): 342 # Explicitly test possibility of bad timezone; 343 # when time.tzname[0] == time.tzname[1] and time.daylight 344 tz_name = time.tzname[0] 345 if tz_name.upper() in ("UTC", "GMT"): 346 self.skipTest('need non-UTC/GMT timezone') 347 348 with support.swap_attr(time, 'tzname', (tz_name, tz_name)), \ 349 support.swap_attr(time, 'daylight', 1), \ 350 support.swap_attr(time, 'tzset', lambda: None): 351 time.tzname = (tz_name, tz_name) 352 time.daylight = 1 353 tz_value = _strptime._strptime_time(tz_name, "%Z")[8] 354 self.assertEqual(tz_value, -1, 355 "%s lead to a timezone value of %s instead of -1 when " 356 "time.daylight set to %s and passing in %s" % 357 (time.tzname, tz_value, time.daylight, tz_name)) 358 359 def test_date_time(self): 360 # Test %c directive 361 for position in range(6): 362 self.helper('c', position) 363 364 def test_date(self): 365 # Test %x directive 366 for position in range(0,3): 367 self.helper('x', position) 368 369 def test_time(self): 370 # Test %X directive 371 for position in range(3,6): 372 self.helper('X', position) 373 374 def test_percent(self): 375 # Make sure % signs are handled properly 376 strf_output = time.strftime("%m %% %Y", self.time_tuple) 377 strp_output = _strptime._strptime_time(strf_output, "%m %% %Y") 378 self.assertTrue(strp_output[0] == self.time_tuple[0] and 379 strp_output[1] == self.time_tuple[1], 380 "handling of percent sign failed") 381 382 def test_caseinsensitive(self): 383 # Should handle names case-insensitively. 384 strf_output = time.strftime("%B", self.time_tuple) 385 self.assertTrue(_strptime._strptime_time(strf_output.upper(), "%B"), 386 "strptime does not handle ALL-CAPS names properly") 387 self.assertTrue(_strptime._strptime_time(strf_output.lower(), "%B"), 388 "strptime does not handle lowercase names properly") 389 self.assertTrue(_strptime._strptime_time(strf_output.capitalize(), "%B"), 390 "strptime does not handle capword names properly") 391 392 def test_defaults(self): 393 # Default return value should be (1900, 1, 1, 0, 0, 0, 0, 1, 0) 394 defaults = (1900, 1, 1, 0, 0, 0, 0, 1, -1) 395 strp_output = _strptime._strptime_time('1', '%m') 396 self.assertTrue(strp_output == defaults, 397 "Default values for strptime() are incorrect;" 398 " %s != %s" % (strp_output, defaults)) 399 400 def test_escaping(self): 401 # Make sure all characters that have regex significance are escaped. 402 # Parentheses are in a purposeful order; will cause an error of 403 # unbalanced parentheses when the regex is compiled if they are not 404 # escaped. 405 # Test instigated by bug #796149 . 406 need_escaping = r".^$*+?{}\[]|)(" 407 self.assertTrue(_strptime._strptime_time(need_escaping, need_escaping)) 408 409 def test_feb29_on_leap_year_without_year(self): 410 time.strptime("Feb 29", "%b %d") 411 412 def test_mar1_comes_after_feb29_even_when_omitting_the_year(self): 413 self.assertLess( 414 time.strptime("Feb 29", "%b %d"), 415 time.strptime("Mar 1", "%b %d")) 416 417class Strptime12AMPMTests(unittest.TestCase): 418 """Test a _strptime regression in '%I %p' at 12 noon (12 PM)""" 419 420 def test_twelve_noon_midnight(self): 421 eq = self.assertEqual 422 eq(time.strptime('12 PM', '%I %p')[3], 12) 423 eq(time.strptime('12 AM', '%I %p')[3], 0) 424 eq(_strptime._strptime_time('12 PM', '%I %p')[3], 12) 425 eq(_strptime._strptime_time('12 AM', '%I %p')[3], 0) 426 427 428class JulianTests(unittest.TestCase): 429 """Test a _strptime regression that all julian (1-366) are accepted""" 430 431 def test_all_julian_days(self): 432 eq = self.assertEqual 433 for i in range(1, 367): 434 # use 2004, since it is a leap year, we have 366 days 435 eq(_strptime._strptime_time('%d 2004' % i, '%j %Y')[7], i) 436 437class CalculationTests(unittest.TestCase): 438 """Test that strptime() fills in missing info correctly""" 439 440 def setUp(self): 441 self.time_tuple = time.gmtime() 442 443 def test_julian_calculation(self): 444 # Make sure that when Julian is missing that it is calculated 445 format_string = "%Y %m %d %H %M %S %w %Z" 446 result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple), 447 format_string) 448 self.assertTrue(result.tm_yday == self.time_tuple.tm_yday, 449 "Calculation of tm_yday failed; %s != %s" % 450 (result.tm_yday, self.time_tuple.tm_yday)) 451 452 def test_gregorian_calculation(self): 453 # Test that Gregorian date can be calculated from Julian day 454 format_string = "%Y %H %M %S %w %j %Z" 455 result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple), 456 format_string) 457 self.assertTrue(result.tm_year == self.time_tuple.tm_year and 458 result.tm_mon == self.time_tuple.tm_mon and 459 result.tm_mday == self.time_tuple.tm_mday, 460 "Calculation of Gregorian date failed;" 461 "%s-%s-%s != %s-%s-%s" % 462 (result.tm_year, result.tm_mon, result.tm_mday, 463 self.time_tuple.tm_year, self.time_tuple.tm_mon, 464 self.time_tuple.tm_mday)) 465 466 def test_day_of_week_calculation(self): 467 # Test that the day of the week is calculated as needed 468 format_string = "%Y %m %d %H %S %j %Z" 469 result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple), 470 format_string) 471 self.assertTrue(result.tm_wday == self.time_tuple.tm_wday, 472 "Calculation of day of the week failed;" 473 "%s != %s" % (result.tm_wday, self.time_tuple.tm_wday)) 474 475 if support.is_android: 476 # Issue #26929: strftime() on Android incorrectly formats %V or %G for 477 # the last or the first incomplete week in a year. 478 _ymd_excluded = ((1905, 1, 1), (1906, 12, 31), (2008, 12, 29), 479 (1917, 12, 31)) 480 _formats_excluded = ('%G %V',) 481 else: 482 _ymd_excluded = () 483 _formats_excluded = () 484 485 def test_week_of_year_and_day_of_week_calculation(self): 486 # Should be able to infer date if given year, week of year (%U or %W) 487 # and day of the week 488 def test_helper(ymd_tuple, test_reason): 489 for year_week_format in ('%Y %W', '%Y %U', '%G %V'): 490 if (year_week_format in self._formats_excluded and 491 ymd_tuple in self._ymd_excluded): 492 return 493 for weekday_format in ('%w', '%u', '%a', '%A'): 494 format_string = year_week_format + ' ' + weekday_format 495 with self.subTest(test_reason, 496 date=ymd_tuple, 497 format=format_string): 498 dt_date = datetime_date(*ymd_tuple) 499 strp_input = dt_date.strftime(format_string) 500 strp_output = _strptime._strptime_time(strp_input, 501 format_string) 502 msg = "%r: %s != %s" % (strp_input, 503 strp_output[7], 504 dt_date.timetuple()[7]) 505 self.assertEqual(strp_output[:3], ymd_tuple, msg) 506 test_helper((1901, 1, 3), "week 0") 507 test_helper((1901, 1, 8), "common case") 508 test_helper((1901, 1, 13), "day on Sunday") 509 test_helper((1901, 1, 14), "day on Monday") 510 test_helper((1905, 1, 1), "Jan 1 on Sunday") 511 test_helper((1906, 1, 1), "Jan 1 on Monday") 512 test_helper((1906, 1, 7), "first Sunday in a year starting on Monday") 513 test_helper((1905, 12, 31), "Dec 31 on Sunday") 514 test_helper((1906, 12, 31), "Dec 31 on Monday") 515 test_helper((2008, 12, 29), "Monday in the last week of the year") 516 test_helper((2008, 12, 22), "Monday in the second-to-last week of the " 517 "year") 518 test_helper((1978, 10, 23), "randomly chosen date") 519 test_helper((2004, 12, 18), "randomly chosen date") 520 test_helper((1978, 10, 23), "year starting and ending on Monday while " 521 "date not on Sunday or Monday") 522 test_helper((1917, 12, 17), "year starting and ending on Monday with " 523 "a Monday not at the beginning or end " 524 "of the year") 525 test_helper((1917, 12, 31), "Dec 31 on Monday with year starting and " 526 "ending on Monday") 527 test_helper((2007, 1, 7), "First Sunday of 2007") 528 test_helper((2007, 1, 14), "Second Sunday of 2007") 529 test_helper((2006, 12, 31), "Last Sunday of 2006") 530 test_helper((2006, 12, 24), "Second to last Sunday of 2006") 531 532 def test_week_0(self): 533 def check(value, format, *expected): 534 self.assertEqual(_strptime._strptime_time(value, format)[:-1], expected) 535 check('2015 0 0', '%Y %U %w', 2014, 12, 28, 0, 0, 0, 6, 362) 536 check('2015 0 0', '%Y %W %w', 2015, 1, 4, 0, 0, 0, 6, 4) 537 check('2015 1 1', '%G %V %u', 2014, 12, 29, 0, 0, 0, 0, 363) 538 check('2015 0 1', '%Y %U %w', 2014, 12, 29, 0, 0, 0, 0, 363) 539 check('2015 0 1', '%Y %W %w', 2014, 12, 29, 0, 0, 0, 0, 363) 540 check('2015 1 2', '%G %V %u', 2014, 12, 30, 0, 0, 0, 1, 364) 541 check('2015 0 2', '%Y %U %w', 2014, 12, 30, 0, 0, 0, 1, 364) 542 check('2015 0 2', '%Y %W %w', 2014, 12, 30, 0, 0, 0, 1, 364) 543 check('2015 1 3', '%G %V %u', 2014, 12, 31, 0, 0, 0, 2, 365) 544 check('2015 0 3', '%Y %U %w', 2014, 12, 31, 0, 0, 0, 2, 365) 545 check('2015 0 3', '%Y %W %w', 2014, 12, 31, 0, 0, 0, 2, 365) 546 check('2015 1 4', '%G %V %u', 2015, 1, 1, 0, 0, 0, 3, 1) 547 check('2015 0 4', '%Y %U %w', 2015, 1, 1, 0, 0, 0, 3, 1) 548 check('2015 0 4', '%Y %W %w', 2015, 1, 1, 0, 0, 0, 3, 1) 549 check('2015 1 5', '%G %V %u', 2015, 1, 2, 0, 0, 0, 4, 2) 550 check('2015 0 5', '%Y %U %w', 2015, 1, 2, 0, 0, 0, 4, 2) 551 check('2015 0 5', '%Y %W %w', 2015, 1, 2, 0, 0, 0, 4, 2) 552 check('2015 1 6', '%G %V %u', 2015, 1, 3, 0, 0, 0, 5, 3) 553 check('2015 0 6', '%Y %U %w', 2015, 1, 3, 0, 0, 0, 5, 3) 554 check('2015 0 6', '%Y %W %w', 2015, 1, 3, 0, 0, 0, 5, 3) 555 check('2015 1 7', '%G %V %u', 2015, 1, 4, 0, 0, 0, 6, 4) 556 557 check('2009 0 0', '%Y %U %w', 2008, 12, 28, 0, 0, 0, 6, 363) 558 check('2009 0 0', '%Y %W %w', 2009, 1, 4, 0, 0, 0, 6, 4) 559 check('2009 1 1', '%G %V %u', 2008, 12, 29, 0, 0, 0, 0, 364) 560 check('2009 0 1', '%Y %U %w', 2008, 12, 29, 0, 0, 0, 0, 364) 561 check('2009 0 1', '%Y %W %w', 2008, 12, 29, 0, 0, 0, 0, 364) 562 check('2009 1 2', '%G %V %u', 2008, 12, 30, 0, 0, 0, 1, 365) 563 check('2009 0 2', '%Y %U %w', 2008, 12, 30, 0, 0, 0, 1, 365) 564 check('2009 0 2', '%Y %W %w', 2008, 12, 30, 0, 0, 0, 1, 365) 565 check('2009 1 3', '%G %V %u', 2008, 12, 31, 0, 0, 0, 2, 366) 566 check('2009 0 3', '%Y %U %w', 2008, 12, 31, 0, 0, 0, 2, 366) 567 check('2009 0 3', '%Y %W %w', 2008, 12, 31, 0, 0, 0, 2, 366) 568 check('2009 1 4', '%G %V %u', 2009, 1, 1, 0, 0, 0, 3, 1) 569 check('2009 0 4', '%Y %U %w', 2009, 1, 1, 0, 0, 0, 3, 1) 570 check('2009 0 4', '%Y %W %w', 2009, 1, 1, 0, 0, 0, 3, 1) 571 check('2009 1 5', '%G %V %u', 2009, 1, 2, 0, 0, 0, 4, 2) 572 check('2009 0 5', '%Y %U %w', 2009, 1, 2, 0, 0, 0, 4, 2) 573 check('2009 0 5', '%Y %W %w', 2009, 1, 2, 0, 0, 0, 4, 2) 574 check('2009 1 6', '%G %V %u', 2009, 1, 3, 0, 0, 0, 5, 3) 575 check('2009 0 6', '%Y %U %w', 2009, 1, 3, 0, 0, 0, 5, 3) 576 check('2009 0 6', '%Y %W %w', 2009, 1, 3, 0, 0, 0, 5, 3) 577 check('2009 1 7', '%G %V %u', 2009, 1, 4, 0, 0, 0, 6, 4) 578 579 580class CacheTests(unittest.TestCase): 581 """Test that caching works properly.""" 582 583 def test_time_re_recreation(self): 584 # Make sure cache is recreated when current locale does not match what 585 # cached object was created with. 586 _strptime._strptime_time("10", "%d") 587 _strptime._strptime_time("2005", "%Y") 588 _strptime._TimeRE_cache.locale_time.lang = "Ni" 589 original_time_re = _strptime._TimeRE_cache 590 _strptime._strptime_time("10", "%d") 591 self.assertIsNot(original_time_re, _strptime._TimeRE_cache) 592 self.assertEqual(len(_strptime._regex_cache), 1) 593 594 def test_regex_cleanup(self): 595 # Make sure cached regexes are discarded when cache becomes "full". 596 try: 597 del _strptime._regex_cache['%d'] 598 except KeyError: 599 pass 600 bogus_key = 0 601 while len(_strptime._regex_cache) <= _strptime._CACHE_MAX_SIZE: 602 _strptime._regex_cache[bogus_key] = None 603 bogus_key += 1 604 _strptime._strptime_time("10", "%d") 605 self.assertEqual(len(_strptime._regex_cache), 1) 606 607 def test_new_localetime(self): 608 # A new LocaleTime instance should be created when a new TimeRE object 609 # is created. 610 locale_time_id = _strptime._TimeRE_cache.locale_time 611 _strptime._TimeRE_cache.locale_time.lang = "Ni" 612 _strptime._strptime_time("10", "%d") 613 self.assertIsNot(locale_time_id, _strptime._TimeRE_cache.locale_time) 614 615 def test_TimeRE_recreation_locale(self): 616 # The TimeRE instance should be recreated upon changing the locale. 617 locale_info = locale.getlocale(locale.LC_TIME) 618 try: 619 locale.setlocale(locale.LC_TIME, ('en_US', 'UTF8')) 620 except locale.Error: 621 self.skipTest('test needs en_US.UTF8 locale') 622 try: 623 _strptime._strptime_time('10', '%d') 624 # Get id of current cache object. 625 first_time_re = _strptime._TimeRE_cache 626 try: 627 # Change the locale and force a recreation of the cache. 628 locale.setlocale(locale.LC_TIME, ('de_DE', 'UTF8')) 629 _strptime._strptime_time('10', '%d') 630 # Get the new cache object's id. 631 second_time_re = _strptime._TimeRE_cache 632 # They should not be equal. 633 self.assertIsNot(first_time_re, second_time_re) 634 # Possible test locale is not supported while initial locale is. 635 # If this is the case just suppress the exception and fall-through 636 # to the resetting to the original locale. 637 except locale.Error: 638 self.skipTest('test needs de_DE.UTF8 locale') 639 # Make sure we don't trample on the locale setting once we leave the 640 # test. 641 finally: 642 locale.setlocale(locale.LC_TIME, locale_info) 643 644 @support.run_with_tz('STD-1DST') 645 def test_TimeRE_recreation_timezone(self): 646 # The TimeRE instance should be recreated upon changing the timezone. 647 oldtzname = time.tzname 648 tm = _strptime._strptime_time(time.tzname[0], '%Z') 649 self.assertEqual(tm.tm_isdst, 0) 650 tm = _strptime._strptime_time(time.tzname[1], '%Z') 651 self.assertEqual(tm.tm_isdst, 1) 652 # Get id of current cache object. 653 first_time_re = _strptime._TimeRE_cache 654 # Change the timezone and force a recreation of the cache. 655 os.environ['TZ'] = 'EST+05EDT,M3.2.0,M11.1.0' 656 time.tzset() 657 tm = _strptime._strptime_time(time.tzname[0], '%Z') 658 self.assertEqual(tm.tm_isdst, 0) 659 tm = _strptime._strptime_time(time.tzname[1], '%Z') 660 self.assertEqual(tm.tm_isdst, 1) 661 # Get the new cache object's id. 662 second_time_re = _strptime._TimeRE_cache 663 # They should not be equal. 664 self.assertIsNot(first_time_re, second_time_re) 665 # Make sure old names no longer accepted. 666 with self.assertRaises(ValueError): 667 _strptime._strptime_time(oldtzname[0], '%Z') 668 with self.assertRaises(ValueError): 669 _strptime._strptime_time(oldtzname[1], '%Z') 670 671 672if __name__ == '__main__': 673 unittest.main() 674