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import cf
import os
import unittest
class CellMethodsTest(unittest.TestCase):
filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
'test_file.nc')
chunk_sizes = (17, 34, 300, 100000)[::-1]
original_chunksize = cf.CHUNKSIZE()
strings = ('t: mean',
'time: point',
'time: maximum',
'time: sum',
'lon: maximum time: mean',
'time: mean lon: maximum',
'lat: lon: standard_deviation',
'lon: standard_deviation lat: standard_deviation',
'time: standard_deviation (interval: 1 day)',
'area: mean',
'lon: lat: mean',
'time: variance (interval: 1 hr comment: sampled instantaneously)',
'time: mean',
'time: mean time: maximum',
'time: mean within years time: maximum over years',
'time: mean within days time: maximum within years time: variance over years',
'time: standard_deviation (interval: 1 day)',
'time: standard_deviation (interval: 1 year)',
'time: standard_deviation (interval: 30 year)',
'time: standard_deviation (interval: 1.0 year)',
'time: standard_deviation (interval: 30.0 year)',
'lat: lon: standard_deviation (interval: 10 km)',
'lat: lon: standard_deviation (interval: 10 km interval: 10 km)',
'lat: lon: standard_deviation (interval: 0.1 degree_N interval: 0.2 degree_E)',
'lat: lon: standard_deviation (interval: 0.123 degree_N interval: 0.234 degree_E)',
'time: variance (interval: 1 hr comment: sampled instantaneously)',
'area: mean where land',
'area: mean where land_sea',
'area: mean where sea_ice over sea',
'area: mean where sea_ice over sea',
'time: minimum within years time: mean over years',
'time: sum within years time: mean over years',
'time: mean within days time: mean over days',
'time: minimum within days time: sum over days',
'time: minimum within days time: maximum over days',
'time: mean within days',
'time: sum within days time: maximum over days',
)
def test_CellMethods___str__(self):
for s in self.strings:
cm = cf.CellMethods(s)
self.assertTrue(str(cm) == s, '%r != %r' % (s, str(cm)))
#--- End: def
def test_CellMethods_equals(self):
for s in self.strings:
cm0 = cf.CellMethods(s)
cm1 = cf.CellMethods(s)
self.assertTrue(cm0.equals(cm1, traceback=True),
'%r != %r' % (cm0, cm1))
#--- End: for
#--- End: def
def test_CellMethods_equivalent(self):
for s in self.strings:
cm0 = cf.CellMethods(s)
cm1 = cf.CellMethods(s)
self.assertTrue(cm0.equivalent(cm1),
'%r not equivalent to %r' % (cm0, cm1))
#--- End: for
# Intervals
for s0, s1 in (
['lat: lon: mean (interval: 10 km)',
'lat: lon: mean (interval: 10 km)'],
['lat: lon: mean (interval: 10 km)',
'lat: lon: mean (interval: 10 km interval: 10 km)'],
['lat: lon: mean (interval: 10 km interval: 10 km)',
'lat: lon: mean (interval: 10 km interval: 10 km)'],
['lat: lon: mean (interval: 20 km interval: 10 km)',
'lat: lon: mean (interval: 20 km interval: 10 km)'],
['lat: lon: mean (interval: 20 km interval: 10 km)',
'lat: lon: mean (interval: 20000 m interval: 10000 m)'],
['lat: lon: mean (interval: 10 km)',
'lon: lat: mean (interval: 10 km)'],
['lat: lon: mean (interval: 10 km)',
'lon: lat: mean (interval: 10 km interval: 10 km)'],
['lat: lon: mean (interval: 10 km interval: 10 km)',
'lon: lat: mean (interval: 10 km interval: 10 km)'],
['lat: lon: mean (interval: 20 km interval: 10 km)',
'lon: lat: mean (interval: 10 km interval: 20 km)'],
['lat: lon: mean (interval: 20 km interval: 10 km)',
'lon: lat: mean (interval: 10000 m interval: 20000 m)'],
):
cm0 = cf.CellMethods(s0)
cm1 = cf.CellMethods(s1)
self.assertTrue(cm0.equivalent(cm1, traceback=True),
'%r not equivalent to %r' % (cm0, cm1))
#--- End: for
#--- End: def
#--- End: class
if __name__ == '__main__':
print 'cf-python version:', cf.__version__
print 'cf-python path:' , os.path.abspath(cf.__file__)
print ''
unittest.main(verbosity=2)
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