def test_num2num_noleap():
times = numpy.array([datetime.datetime(1849, 12, 15, 12, 30, 30), datetime.datetime(1850, 1, 1, 0, 0, 0),
datetime.datetime(1850, 2, 1, 15, 12, 0)])
units = "days since " + str(datetime.datetime(1830, 6, 6, 12, 0, 0))
calender = "noleap"
ref = datetime.datetime(1850, 1, 1, 0, 0, 0)
nums = netCDF4.date2num(times, units, calender)
new_times, new_units = num2num(nums, ref, units, calender)
eq_(new_times[1], 0.)
eq_(new_units, "days since " + str(ref))
def test_num2num_proleptic_gregorian():
times = numpy.array([datetime.datetime(1849, 12, 15, 12, 30, 30), datetime.datetime(1850, 1, 1, 0, 0, 0),
datetime.datetime(1850, 2, 1, 15, 12, 0)])
units = "hours since " + str(datetime.datetime(1830, 6, 6, 12, 0, 0))
calender = "gregorian"
ref = datetime.datetime(1850, 1, 1, 0, 0, 0)
nums = netCDF4.date2num(times, units, calender)
new_times, new_units = num2num(nums, ref, units, calender)
eq_(new_times[1], 0.)
eq_(new_units, "hours since " + str(ref))
def test_num2num_gregorian():
times = numpy.array([
datetime.datetime(1849, 12, 15, 12, 30, 30),
datetime.datetime(1850, 1, 1, 0, 0, 0),
datetime.datetime(1850, 2, 1, 15, 12, 0)
])
units = "days since " + str(datetime.datetime(1830, 6, 6, 12, 0, 0))
calender = "gregorian"
ref = datetime.datetime(1850, 1, 1, 0, 0, 0)
nums = netCDF4.date2num(times, units, calender)
new_times, new_units = num2num(nums, ref, units, calender)
assert new_times[1] == 0.
assert new_units == "days since " + str(ref)
def test_noleap_timeshift():
times = numpy.array([
datetime.datetime(1849, 12, 15, 12, 30, 30),
datetime.datetime(1850, 1, 1, 0, 0, 0),
datetime.datetime(1850, 2, 1, 15, 12, 0),
datetime.datetime(1850, 4, 1, 0, 0, 0)
])
units = "days since " + str(datetime.datetime(1830, 6, 6, 12, 0, 0))
calender = "noleap"
ref = datetime.datetime(1850, 1, 1, 0, 0, 0)
shift = datetime.timedelta(days=30)
nums = netCDF4.date2num(times, units, calender)
new_times, new_units = num2num(nums, ref, units, calender, shift)
assert new_times[3] == 60
assert new_units == "days since " + str(ref)