def test_ymd_ops(self):
from calc_gps_offset import YMD
y0 = YMD(2016, 12, 31)
y1 = YMD(2017, 11, 17)
y1_dup = YMD(2017, 11, 17)
y2 = YMD(2018, 1, 1)
self.assertTrue(y0 < y1)
self.assertTrue(y1 < y2)
self.assertTrue(y0 < y2)
self.assertTrue(y1 > y0)
self.assertTrue(y2 > y1)
self.assertTrue(y2 > y0)
self.assertTrue(y0 <= y1)
self.assertTrue(y1 <= y2)
self.assertTrue(y0 <= y2)
self.assertTrue(y1 >= y0)
self.assertTrue(y2 >= y1)
self.assertTrue(y2 >= y0)
self.assertTrue(y0 == y0)
self.assertTrue(y1 == y1_dup)
self.assertTrue(y0 != y1)
self.assertFalse(y1 > y2)
self.assertFalse(y2 < y1)
def test_ymd_from_str(self):
from calc_gps_offset import YMD
y0 = YMD("2016", "12", "31")
self.assertEqual(y0.year(), 2016)
self.assertEqual(y0.month(), 12)
self.assertEqual(y0.day(), 31)
def test_find_last_offset(self):
from calc_gps_offset import last_leaps_offset
from calc_gps_offset import YMD
leaps = ref_unix_leap_sec()
test_cases = {
YMD(2015, 6, 31): 35,
YMD(2015, 7, 1): 36,
YMD(2016, 12, 31): 36,
YMD(2017, 1, 1): 37,
YMD(2018, 1, 1): 37,
}
for test_case in test_cases:
result = last_leaps_offset(leaps, test_case)
self.assertEqual(result, test_cases[test_case])
def test_count_leaps_between_ymd(self):
from calc_gps_offset import count_leaps_between_ymd
from calc_gps_offset import YMD
leaps = ref_unix_leap_sec()
test_cases = [
(YMD(2010, 1, 1), YMD(2015, 6, 31), 1),
(YMD(2009, 1, 2), YMD(2015, 6, 31), 1),
(YMD(2009, 1, 1), YMD(2015, 6, 31), 2),
(YMD(2009, 1, 1), YMD(2015, 7, 1), 3),
]
for test_case in test_cases:
result = count_leaps_between_ymd(leaps, test_case[0], test_case[1])
self.assertEqual(result, test_case[2])
def test_year_based_offset(self):
from calc_gps_offset import year_based_offset
from calc_gps_offset import YMD
from calc_gps_offset import CannotCalculateOffset
test_cases = {
YMD(2009, 12, 31):
None,
YMD(2010, 1, 1):
15,
YMD(2011, 1, 1):
31190400 + 15,
YMD(2015, 1, 1):
31190400 + 15 + 31536000 + 1 + 31622400 + 31536000 + 31536000,
YMD(2015, 6, 31):
31190400 + 15 + 31536000 + 1 + 31622400 + 31536000 + 31536000,
YMD(2015, 7, 1):
31190400 + 15 + 31536000 + 1 + 31622400 + 31536000 + 31536000 + 1,
YMD(2016, 1, 1):
31190400 + 15 + 31536000 + 1 + 31622400 + 31536000 + 31536000 +
31536000 + 1,
YMD(2016, 12, 31):
31190400 + 15 + 31536000 + 1 + 31622400 + 31536000 + 31536000 +
31536000 + 1,
YMD(2017, 1, 1):
31190400 + 15 + 31536000 + 1 + 31622400 + 31536000 + 31536000 +
31536000 + 1 + 31622400 + 1,
YMD(2018, 1, 1):
31190400 + 15 + 31536000 + 1 + 31622400 + 31536000 + 31536000 +
31536000 + 1 + 31622400 + 1 + 31536000,
}
unix_leap = ref_unix_leap_sec()
for ymd in test_cases:
try:
result = year_based_offset(unix_leap, ymd)
self.assertEqual(result, test_cases[ymd])
except CannotCalculateOffset:
self.assertIsNone(test_cases[ymd])
def test_system_time_based_offset(self):
from calc_gps_offset import system_time_based_offset
from calc_gps_offset import YMD
from calc_gps_offset import CannotCalculateOffset
test_cases = {
YMD(2009, 12, 31): None,
YMD(2010, 1, 1): -315964819 + 34,
YMD(2011, 1, 1): -315964819 + 34,
YMD(2015, 1, 1): -315964819 + 35,
YMD(2015, 6, 31): -315964819 + 35,
YMD(2015, 7, 1): -315964819 + 36,
YMD(2016, 1, 1): -315964819 + 36,
YMD(2016, 12, 31): -315964819 + 36,
YMD(2017, 1, 1): -315964819 + 37,
YMD(2018, 1, 1): -315964819 + 37,
}
unix_leap = ref_unix_leap_sec()
for ymd in test_cases:
try:
result = system_time_based_offset(unix_leap, ymd)
self.assertEqual(result, test_cases[ymd])
except CannotCalculateOffset:
self.assertIsNone(test_cases[ymd])
def ref_unix_leap_sec():
from calc_gps_offset import YMD
from calc_gps_offset import UNIXLeapSec
return [
UNIXLeapSec(2272060800 - 2208988800, 10, YMD(1972, 1,
1)), # 1 Jan 1972
UNIXLeapSec(2287785600 - 2208988800, 11, YMD(1972, 7,
1)), # 1 Jul 1972
UNIXLeapSec(2303683200 - 2208988800, 12, YMD(1973, 1,
1)), # 1 Jan 1973
UNIXLeapSec(2335219200 - 2208988800, 13, YMD(1974, 1,
1)), # 1 Jan 1974
UNIXLeapSec(2366755200 - 2208988800, 14, YMD(1975, 1,
1)), # 1 Jan 1975
UNIXLeapSec(2398291200 - 2208988800, 15, YMD(1976, 1,
1)), # 1 Jan 1976
UNIXLeapSec(2429913600 - 2208988800, 16, YMD(1977, 1,
1)), # 1 Jan 1977
UNIXLeapSec(2461449600 - 2208988800, 17, YMD(1978, 1,
1)), # 1 Jan 1978
UNIXLeapSec(2492985600 - 2208988800, 18, YMD(1979, 1,
1)), # 1 Jan 1979
UNIXLeapSec(2524521600 - 2208988800, 19, YMD(1980, 1,
1)), # 1 Jan 1980
UNIXLeapSec(2571782400 - 2208988800, 20, YMD(1981, 7,
1)), # 1 Jul 1981
UNIXLeapSec(2603318400 - 2208988800, 21, YMD(1982, 7,
1)), # 1 Jul 1982
UNIXLeapSec(2634854400 - 2208988800, 22, YMD(1983, 7,
1)), # 1 Jul 1983
UNIXLeapSec(2698012800 - 2208988800, 23, YMD(1985, 7,
1)), # 1 Jul 1985
UNIXLeapSec(2776982400 - 2208988800, 24, YMD(1988, 1,
1)), # 1 Jan 1988
UNIXLeapSec(2840140800 - 2208988800, 25, YMD(1990, 1,
1)), # 1 Jan 1990
UNIXLeapSec(2871676800 - 2208988800, 26, YMD(1991, 1,
1)), # 1 Jan 1991
UNIXLeapSec(2918937600 - 2208988800, 27, YMD(1992, 7,
1)), # 1 Jul 1992
UNIXLeapSec(2950473600 - 2208988800, 28, YMD(1993, 7,
1)), # 1 Jul 1993
UNIXLeapSec(2982009600 - 2208988800, 29, YMD(1994, 7,
1)), # 1 Jul 1994
UNIXLeapSec(3029443200 - 2208988800, 30, YMD(1996, 1,
1)), # 1 Jan 1996
UNIXLeapSec(3076704000 - 2208988800, 31, YMD(1997, 7,
1)), # 1 Jul 1997
UNIXLeapSec(3124137600 - 2208988800, 32, YMD(1999, 1,
1)), # 1 Jan 1999
UNIXLeapSec(3345062400 - 2208988800, 33, YMD(2006, 1,
1)), # 1 Jan 2006
UNIXLeapSec(3439756800 - 2208988800, 34, YMD(2009, 1,
1)), # 1 Jan 2009
UNIXLeapSec(3550089600 - 2208988800, 35, YMD(2012, 7,
1)), # 1 Jul 2012
UNIXLeapSec(3644697600 - 2208988800, 36, YMD(2015, 7,
1)), # 1 Jul 2015
UNIXLeapSec(3692217600 - 2208988800, 37, YMD(2017, 1,
1)), # 1 Jan 2017
]
def test_unix_to_ymd(self):
from calc_gps_offset import unix_to_ymd
from calc_gps_offset import YMD
self.assertEqual(unix_to_ymd(1510948294), YMD(2017, 11, 17))