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from __future__ import print_function
import unittest,os,tempfile
from stat import *
from cdo import *
class CdoTest(unittest.TestCase):
def testCDO(self):
cdo = Cdo()
newCDO="/usr/bin/cdo"
if os.path.isfile(newCDO):
cdo.setCdo(newCDO)
self.assertEqual(newCDO,cdo.getCdo())
cdo.setCdo('cdo')
def testDbg(self):
cdo = Cdo()
self.assertEqual(False,cdo.debug)
cdo.debug = True
self.assertEqual(True,cdo.debug)
cdo.debug = False
def testOps(self):
cdo = Cdo()
self.assertTrue("sinfov" in cdo.operators)
self.assertTrue("for" in cdo.operators)
self.assertTrue("mask" in cdo.operators)
self.assertTrue("studentt" in cdo.operators)
def test_getOperators(self):
cdo = Cdo()
for op in ['random','stdatm','for','cdiwrite','info','showlevel','sinfo','remap','geopotheight','mask','topo','thicknessOfLevels']:
if 'thicknessOfLevels' != op:
self.assertTrue(op in cdo.operators)
else:
self.assertTrue(op in dir(cdo))
def test_listAllOperators(self):
cdo = Cdo()
operators = cdo.operators
operators.sort()
#print "\n".join(operators)
def test_simple(self):
cdo = Cdo()
cdo.debug = True
s = cdo.sinfov(input="-topo",options="-f nc")
s = cdo.sinfov(input="-remapnn,r36x18 -topo",options="-f nc")
f = 'ofile.nc'
cdo.expr("'z=log(abs(topo+1))*9.81'",input="-topo",output = f,options="-f nc")
s = cdo.infov(input=f)
cdo.stdatm("0",output=f,options="-f nc")
def test_outputOperators(self):
cdo = Cdo()
levels = cdo.showlevel(input = "-stdatm,0")
info = cdo.sinfo(input = "-stdatm,0")
self.assertEqual([0,0],list(map(float,levels)))
self.assertEqual("File format: GRIB",info[0])
values = cdo.outputkey("value",input="-stdatm,0")
self.assertEqual(["1013.25", "288"],values)
values = cdo.outputkey("value",input="-stdatm,0,10000")
self.assertEqual(["1013.25", "271.913", "288", "240.591"],values)
values = cdo.outputkey("level",input="-stdatm,0,10000")
self.assertEqual(["0", "10000","0", "10000"],values)
def test_bndLevels(self):
cdo = Cdo()
ofile = cdo.stdatm(25,100,250,500,875,1400,2100,3000,4000,5000,options = "-f nc")
self.assertEqual([0, 50.0, 150.0, 350.0, 650.0, 1100.0, 1700.0, 2500.0, 3500.0, 4500.0, 5500.0],
cdo.boundaryLevels(input = "-selname,T " + ofile))
self.assertEqual([50.0, 100.0, 200.0, 300.0, 450.0, 600.0, 800.0, 1000.0, 1000.0, 1000.0],
cdo.thicknessOfLevels(input = ofile))
def test_CDO_options(self):
cdo = Cdo()
names = cdo.showname(input = "-stdatm,0",options = "-f nc")
self.assertEqual(["P T"],names)
ofile = cdo.topo(options = "-z szip")
self.assertEqual(["GRIB SZIP"],cdo.showformat(input = ofile))
def test_chain(self):
cdo = Cdo()
ofile = cdo.setname("veloc", input=" -copy -random,r1x1",options = "-f nc")
self.assertEqual(["veloc"],cdo.showname(input = ofile))
def test_diff(self):
cdo = Cdo()
cdo.debug = True
diffv = cdo.diffn(input = "-random,r1x1 -random,r1x1")
print(diffv)
self.assertEqual(diffv[1].split(' ')[-1],"random")
self.assertEqual(diffv[1].split(' ')[-3],"0.53060")
diff = cdo.diff(input = "-random,r1x1 -random,r1x1")
self.assertEqual(diff[1].split(' ')[-3],"0.53060")
def test_returnCdf(self):
cdo = Cdo()
ofile = tempfile.NamedTemporaryFile(delete=True,prefix='cdoPy').name
press = cdo.stdatm("0",output=ofile,options="-f nc")
self.assertEqual(ofile,press)
a = cdo.readCdf(press)
variables = cdo.stdatm("0",options="-f nc",returnCdf=True).variables
print(variables)
press = cdo.stdatm("0",options="-f nc",returnCdf=True).variables['P'][:]
self.assertEqual(1013.25,press.min())
press = cdo.stdatm("0",output=ofile,options="-f nc")
self.assertEqual(ofile,press)
cdo.setReturnArray()
outfile = 'test.nc'
press = cdo.stdatm("0",output=outfile,options="-f nc").variables["P"][:]
self.assertEqual(1013.25,press.min())
cdo.unsetReturnArray()
press = cdo.stdatm("0",output=outfile,options="-f nc")
self.assertEqual(press,outfile)
press = cdo.stdatm("0",output=outfile,options="-f nc",returnCdf=True).variables["P"][:]
self.assertEqual(1013.25,press.min())
print("press = "+press.min().__str__())
cdo.unsetReturnArray()
press = cdo.stdatm("0",output=ofile,options="-f nc")
self.assertEqual(ofile,press)
def test_forceOutput(self):
cdo =Cdo()
cdo.debug = True
outs = []
# tempfiles
outs.append(cdo.stdatm("0,10,20"))
outs.append(cdo.stdatm("0,10,20"))
self.assertNotEqual(outs[0],outs[1])
outs = []
# deticated output, force = true (=defaut setting)
ofile = 'test_force'
outs.append(cdo.stdatm("0,10,20",output = ofile))
mtime0 = os.stat(ofile).st_mtime
#to make it compatible with systems providing no nanos.
import time
time.sleep(1)
outs.append(cdo.stdatm("0,10,20",output = ofile))
mtime1 = os.stat(ofile).st_mtime
self.assertNotEqual(mtime0,mtime1)
self.assertEqual(outs[0],outs[1])
os.remove(ofile)
outs = []
# dedicated output, force = false
ofile = 'test_force_false'
outs.append(cdo.stdatm("0,10,20",output = ofile,force=False))
mtime0 = os.stat(outs[0]).st_mtime
outs.append(cdo.stdatm("0,10,20",output = ofile,force=False))
mtime1 = os.stat(outs[1]).st_mtime
self.assertEqual(mtime0,mtime1)
self.assertEqual(outs[0],outs[1])
os.remove(ofile)
outs = []
# dedicated output, global force setting
ofile = 'test_force_global'
cdo.forceOutput = False
outs.append(cdo.stdatm("0,10,20",output = ofile))
mtime0 = os.stat(outs[0]).st_mtime
outs.append(cdo.stdatm("0,10,20",output = ofile))
mtime1 = os.stat(outs[1]).st_mtime
self.assertEqual(mtime0,mtime1)
self.assertEqual(outs[0],outs[1])
os.remove(ofile)
outs = []
def test_combine(self):
cdo = Cdo()
cdo.debug = True
stdatm = cdo.stdatm("0",options = "-f nc")
stdatm_ = cdo.stdatm("0",options = "-f nc")
print(cdo.diff(input=stdatm + " " + stdatm_))
sum = cdo.fldsum(input = stdatm)
sum = cdo.fldsum(input = cdo.stdatm("0",options="-f nc"),returnCdf=True)
self.assertEqual(288.0,sum.variables["T"][:])
def test_cdf(self):
cdo = Cdo()
self.assertTrue("cdf" not in cdo.__dict__)
cdo.setReturnArray()
self.assertTrue("cdf" in cdo.__dict__)
cdo.setReturnArray(False)
sum = cdo.fldsum(input = cdo.stdatm("0",options="-f nc"),returnCdf=True)
self.assertEqual(1013.25,sum.variables["P"][:])
cdo.unsetReturnArray()
def test_cdf_mod(self):
cdo =Cdo()
cdo.setReturnArray()
print('cdo.cdfMod:' + cdo.cdfMod)
self.assertEqual(cdo.cdfMod,"scipy")
def test_thickness(self):
cdo = Cdo()
levels = "25 100 250 500 875 1400 2100 3000 4000 5000".split(' ')
targetThicknesses = [50.0, 100.0, 200.0, 300.0, 450.0, 600.0, 800.0, 1000.0, 1000.0, 1000.0]
self.assertEqual(targetThicknesses, cdo.thicknessOfLevels(input = "-selname,T -stdatm,"+ ','.join(levels)))
def test_showlevels(self):
cdo = Cdo()
sourceLevels = "25 100 250 500 875 1400 2100 3000 4000 5000".split()
self.assertEqual(' '.join(sourceLevels),
cdo.showlevel(input = "-selname,T " + cdo.stdatm(','.join(sourceLevels),options = "-f nc"))[0])
def test_verticalLevels(self):
cdo = Cdo()
# check, if a given input files has vertival layers of a given thickness array
targetThicknesses = [50.0, 100.0, 200.0, 300.0, 450.0, 600.0, 800.0, 1000.0, 1000.0, 1000.0]
sourceLevels = "25 100 250 500 875 1400 2100 3000 4000 5000".split()
thicknesses = cdo.thicknessOfLevels(input = "-selname,T " + cdo.stdatm(','.join(sourceLevels),options = "-f nc"))
self.assertEqual(targetThicknesses,thicknesses)
def test_returnArray(self):
cdo = Cdo()
temperature = cdo.stdatm(0,options = '-f nc', returnCdf = True).variables['T'][:]
self.assertEqual(False, cdo.stdatm(0,options = '-f nc',returnArray = 'TT'))
temperature = cdo.stdatm(0,options = '-f nc',returnArray = 'T')
self.assertEqual(288.0,temperature.flatten()[0])
pressure = cdo.stdatm("0,1000",options = '-f nc -b F64',returnArray = 'P')
self.assertEqual("[ 1013.25 898.54345604]",pressure.flatten().__str__())
def test_returnMaArray(self):
cdo = Cdo()
cdo.debug = True
topo = cdo.topo(options='-f nc',returnMaArray='topo')
self.assertEqual(-1890.0,round(topo.mean()))
bathy = cdo.setrtomiss(0,10000,
input = cdo.topo(options='-f nc'),returnMaArray='topo')
self.assertEqual(-3386.0,round(bathy.mean()))
oro = cdo.setrtomiss(-10000,0,
input = cdo.topo(options='-f nc'),returnMaArray='topo')
self.assertEqual(1142.0,round(oro.mean()))
bathy = cdo.remapnn('r2x2',input = cdo.topo(options = '-f nc'), returnMaArray = 'topo')
self.assertEqual(-4298.0,bathy[0,0])
self.assertEqual(-2669.0,bathy[0,1])
ta = cdo.remapnn('r2x2',input = cdo.topo(options = '-f nc'))
tb = cdo.subc(-2669.0,input = ta)
withMask = cdo.div(input=ta+" "+tb,returnMaArray='topo')
self.assertEqual('--',withMask[0,1].__str__())
self.assertEqual(False,withMask.mask[0,0])
self.assertEqual(False,withMask.mask[1,0])
self.assertEqual(False,withMask.mask[1,1])
self.assertEqual(True,withMask.mask[0,1])
def test_errorException(self):
cdo = Cdo()
self.assertFalse(hasattr(cdo, 'nonExistingMethod'))
self.failUnlessRaises(CDOException, cdo.max)
try:
cdo.max()
except CDOException as e:
self.assertTrue(e.returncode != 0)
self.assertTrue(len(e.stderr) > 1)
self.assertTrue(hasattr(e, 'stdout'))
try:
cdo.stdatm(0,10,input="",output="")
except CDOException as a:
self.assertTrue(e.returncode != 0)
self.assertTrue(len(e.stderr) > 1)
self.assertTrue(hasattr(e, 'stdout'))
if 'thingol' == os.popen('hostname').read().strip():
def testCall(self):
cdo = Cdo()
print(cdo.sinfov(input='/home/ram/data/icon/oce.nc'))
def test_readCdf(self):
cdo = Cdo()
input= "-settunits,days -setyear,2000 -for,1,4"
cdfFile = cdo.copy(options="-f nc",input=input)
cdf = cdo.readCdf(cdfFile)
self.assertEqual(['lat','lon','for','time'],list(cdf.variables.keys()))
def testTmp(self):
cdo = Cdo()
import glob
tempfilesStart = glob.glob('/tmp/cdoPy*')
tempfilesStart.sort()
tempfilesEnd = glob.glob('/tmp/cdoPy**')
tempfilesEnd.sort()
self.assertEqual(tempfilesStart,tempfilesEnd)
self.test_combine()
tempfilesEnd = glob.glob('/tmp/cdoPy**')
tempfilesEnd.sort()
self.assertEqual(tempfilesStart,tempfilesEnd)
def test_readArray(self):
cdo = Cdo()
ifile = '/home/ram/data/examples/EH5_AMIP_1_TSURF_1991-1995.nc'
self.assertEqual((10, 96, 192),
cdo.readArray(cdo.seltimestep('1/10',
input=ifile),
'tsurf').shape)
def test_showMaArray(self):
cdo = Cdo()
cdo.debug = True
import pylab as pl
bathy = cdo.setrtomiss(0,10000,
input = cdo.topo(options='-f nc'),returnMaArray='topo')
pl.imshow(bathy,origin='lower')
pl.show()
oro = cdo.setrtomiss(-10000,0,
input = cdo.topo(options='-f nc'),returnMaArray='topo')
pl.imshow(oro,origin='lower')
pl.show()
random = cdo.setname('test_maArray',
input = "-setrtomiss,0.4,0.8 -random,r180x90 ",
returnMaArray='test_maArray',
options = "-f nc")
pl.imshow(random,origin='lower')
pl.show()
if __name__ == '__main__':
unittest.main()
# vim:sw=2
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