""" Tests for allmydata.util.time_format. """ import time from twisted.trial import unittest from allmydata.test.common_util import TimezoneMixin from allmydata.util import time_format class TimeFormat(unittest.TestCase, TimezoneMixin): def test_epoch(self): return self._help_test_epoch() def test_epoch_in_London(self): # Europe/London is a particularly troublesome timezone. Nowadays, its # offset from GMT is 0. But in 1970, its offset from GMT was 1. # (Apparently in 1970 Britain had redefined standard time to be GMT+1 # and stayed in standard time all year round, whereas today # Europe/London standard time is GMT and Europe/London Daylight # Savings Time is GMT+1.) The current implementation of # time_format.iso_utc_time_to_localseconds() breaks if the timezone is # Europe/London. (As soon as this unit test is done then I'll change # that implementation to something that works even in this case...) if not self.have_working_tzset(): raise unittest.SkipTest("This test can't be run on a platform without time.tzset().") self.setTimezone("Europe/London") return self._help_test_epoch() def _help_test_epoch(self): origtzname = time.tzname s = time_format.iso_utc_time_to_seconds("1970-01-01T00:00:01") self.failUnlessEqual(s, 1.0) s = time_format.iso_utc_time_to_seconds("1970-01-01_00:00:01") self.failUnlessEqual(s, 1.0) s = time_format.iso_utc_time_to_seconds("1970-01-01 00:00:01") self.failUnlessEqual(s, 1.0) self.failUnlessEqual(time_format.iso_utc(1.0), "1970-01-01_00:00:01") self.failUnlessEqual(time_format.iso_utc(1.0, sep=" "), "1970-01-01 00:00:01") now = time.time() isostr = time_format.iso_utc(now) timestamp = time_format.iso_utc_time_to_seconds(isostr) self.failUnlessEqual(int(timestamp), int(now)) def my_time(): return 1.0 self.failUnlessEqual(time_format.iso_utc(t=my_time), "1970-01-01_00:00:01") e = self.failUnlessRaises(ValueError, time_format.iso_utc_time_to_seconds, "invalid timestring") self.failUnless("not a complete ISO8601 timestamp" in str(e)) s = time_format.iso_utc_time_to_seconds("1970-01-01_00:00:01.500") self.failUnlessEqual(s, 1.5) # Look for daylight-savings-related errors. thatmomentinmarch = time_format.iso_utc_time_to_seconds("2009-03-20 21:49:02.226536") self.failUnlessEqual(thatmomentinmarch, 1237585742.226536) self.failUnlessEqual(origtzname, time.tzname) def test_iso_utc(self): when = 1266760143.7841301 out = time_format.iso_utc_date(when) self.failUnlessEqual(out, "2010-02-21") out = time_format.iso_utc_date(t=lambda: when) self.failUnlessEqual(out, "2010-02-21") out = time_format.iso_utc(when) self.failUnlessEqual(out, "2010-02-21_13:49:03.784130") out = time_format.iso_utc(when, sep="-") self.failUnlessEqual(out, "2010-02-21-13:49:03.784130") def test_parse_duration(self): p = time_format.parse_duration DAY = 24*60*60 MONTH = 31*DAY YEAR = 365*DAY # seconds self.failUnlessEqual(p("1s"), 1) self.failUnlessEqual(p("12 s"), 12) self.failUnlessEqual(p("333second"), 333) self.failUnlessEqual(p(" 333 second "), 333) self.failUnlessEqual(p("5 seconds"), 5) self.failUnlessEqual(p("60 SECONDS"), 60) self.failUnlessEqual(p("86400s"), DAY) # days self.failUnlessEqual(p("1 day"), DAY) self.failUnlessEqual(p("2 days"), 2*DAY) self.failUnlessEqual(p("5days"), 5*DAY) self.failUnlessEqual(p("7days"), 7*DAY) self.failUnlessEqual(p("31day"), 31*DAY) self.failUnlessEqual(p("60 days"), 60*DAY) self.failUnlessEqual(p("70 DAYS"), 70*DAY) # months self.failUnlessEqual(p("4 mo"), 4*MONTH) self.failUnlessEqual(p("2mo"), 2*MONTH) self.failUnlessEqual(p("3 month"), 3*MONTH) self.failUnlessEqual(p("3 months"), 3*MONTH) # years self.failUnlessEqual(p("5 years"), 5*YEAR) self.failUnlessEqual(p("8 year"), 8*YEAR) self.failUnlessEqual(p("2years"), 2*YEAR) self.failUnlessEqual(p("11YEARS"), 11*YEAR) # errors e = self.failUnlessRaises(ValueError, p, "123") self.failUnlessIn("No valid unit in",str(e)) e = self.failUnlessRaises(ValueError, p, "2kumquats") self.failUnlessIn("No valid unit in", str(e)) def test_parse_date(self): p = time_format.parse_date self.failUnlessEqual(p("2010-02-21"), 1266710400) self.failUnless(isinstance(p("2009-03-18"), int), p("2009-03-18")) self.failUnlessEqual(p("2009-03-18"), 1237334400) def test_format_time(self): self.failUnlessEqual(time_format.format_time(time.gmtime(0)), '1970-01-01 00:00:00') self.failUnlessEqual(time_format.format_time(time.gmtime(60)), '1970-01-01 00:01:00') self.failUnlessEqual(time_format.format_time(time.gmtime(60*60)), '1970-01-01 01:00:00') seconds_per_day = 60*60*24 leap_years_1970_to_2014_inclusive = ((2012 - 1968) // 4) self.failUnlessEqual(time_format.format_time(time.gmtime(seconds_per_day*((2015 - 1970)*365+leap_years_1970_to_2014_inclusive))), '2015-01-01 00:00:00') def test_format_time_y2038(self): seconds_per_day = 60*60*24 leap_years_1970_to_2047_inclusive = ((2044 - 1968) // 4) t = (seconds_per_day* ((2048 - 1970)*365 + leap_years_1970_to_2047_inclusive)) try: gm_t = time.gmtime(t) except ValueError: raise unittest.SkipTest("Note: this system cannot handle dates after 2037.") self.failUnlessEqual(time_format.format_time(gm_t), '2048-01-01 00:00:00') def test_format_delta(self): time_1 = 1389812723 time_5s_delta = 1389812728 time_28m7s_delta = 1389814410 time_1h_delta = 1389816323 time_1d21h46m49s_delta = 1389977532 self.failUnlessEqual( time_format.format_delta(time_1, time_1), '0s') self.failUnlessEqual( time_format.format_delta(time_1, time_5s_delta), '5s') self.failUnlessEqual( time_format.format_delta(time_1, time_28m7s_delta), '28m 7s') self.failUnlessEqual( time_format.format_delta(time_1, time_1h_delta), '1h 0m 0s') self.failUnlessEqual( time_format.format_delta(time_1, time_1d21h46m49s_delta), '1d 21h 46m 49s') self.failUnlessEqual( time_format.format_delta(time_1d21h46m49s_delta, time_1), '-') # time_1 with a decimal fraction will make the delta 1s less time_1decimal = 1389812723.383963 self.failUnlessEqual( time_format.format_delta(time_1decimal, time_5s_delta), '4s') self.failUnlessEqual( time_format.format_delta(time_1decimal, time_28m7s_delta), '28m 6s') self.failUnlessEqual( time_format.format_delta(time_1decimal, time_1h_delta), '59m 59s') self.failUnlessEqual( time_format.format_delta(time_1decimal, time_1d21h46m49s_delta), '1d 21h 46m 48s')