src/PyWrapping/TestPyWrapGathered_medcoupling.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2017-2021  CEA/DEN, EDF R&D
   3 #
   4 # This library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8 #
   9 # This library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with this library; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17 #
  18 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  19 #
  20 # Author : Anthony Geay (EDF R&D)
  21
  22 from medcoupling import *
  23
  24 import unittest
  25
  26 def WriteInTmpDir(func):
  27     def decoratedFunc(*args,**kwargs):
  28         import tempfile,os
  29         ret = None
  30         with tempfile.TemporaryDirectory() as tmpdirname:
  31             os.chdir(tmpdirname)
  32             ret = func(*args,**kwargs)
  33             pass
  34         return ret
  35     return decoratedFunc
  36
  37 class FileCreator(object):
  38     def __init__(self,tester,fname):
  39         self._tester=tester
  40         self._fname=fname
  41         pass
  42
  43     def fileName(self):
  44         return self._fname
  45
  46     def __enter__(self):
  47         import os
  48         if os.path.exists(self._fname):
  49             os.remove(self._fname)
  50             pass
  51         return self
  52
  53     def __exit__(self, type, value, traceback):
  54         import os
  55         if not os.path.exists(self._fname):
  56             self._tester.assertTrue(False)
  57             pass
  58         else:
  59             os.remove(self._fname)
  60         pass
  61
  62 class medcouplingTest(unittest.TestCase):
  63
  64     def test0(self):
  65         """ Unconditional test : medcoupling "kernel" classes """
  66         f=MEDCouplingFieldDouble(ON_CELLS)
  67         g=DataArrayDouble(10,2)
  68         h=MEDCouplingUMesh("mesh",3)
  69         hh=MEDCouplingRemapper()
  70         ee=InterpKernelException("ee")
  71         pass
  72
  73     @unittest.skipUnless(HasMEDFileExt(),"Requires link to MED file")
  74     @WriteInTmpDir
  75     def test1(self):
  76         import sys
  77         fname="mctest1.med"
  78         arr=DataArrayDouble(10) ; arr.iota()
  79         m=MEDCouplingCMesh()
  80         m.setCoords(arr,arr)
  81         m.setName("mesh")
  82         with FileCreator(self,fname) as fc:
  83             m.write(fc.fileName())
  84         m=m.buildUnstructured()
  85         with FileCreator(self,fname) as fc:
  86             m.write(fc.fileName())
  87         f=MEDCouplingFieldDouble(ON_NODES) ; f.setMesh(m) ; f.setArray(m.getCoords()) ; f.setName("field")
  88         with FileCreator(self,fname) as fc:
  89             f.write(fc.fileName())
  90         f=MEDCouplingFieldFloat(ON_NODES) ; f.setMesh(m)
  91         d=DataArrayFloat(m.getNumberOfNodes()) ; d.iota()
  92         f.setArray(d) ; f.setName("field1")
  93         with FileCreator(self,fname) as fc:
  94             f.write(fc.fileName())
  95         pass
  96
  97     @unittest.skipUnless(HasRenumberExt(),"Requires Boost or Metis to activate Renumberer")
  98     def test2(self):
  99         arr=DataArrayDouble(10) ; arr.iota()
 100         m=MEDCouplingCMesh() ; m.setCoords(arr,arr)
 101         m=m.buildUnstructured() ; m.setName("mesh")
 102         #
 103         renf=RenumberingFactory("Boost")
 104         neigh,neighi=m.computeNeighborsOfCells()
 105         n2o,o2n=renf.renumber(neigh,neighi)
 106         mRenum=m[n2o]
 107         pass
 108
 109     @unittest.skipUnless(HasPartitionerExt(),"Requires Partitioner activation")
 110     def test3(self):
 111         for alg in MEDPartitioner.AvailableAlgorithms():
 112             st="Graph.%s"%alg.upper()
 113             print(st)
 114             self.partitionerTesterHelper(eval(st))
 115             pass
 116         pass
 117
 118     @unittest.skipUnless(HasParallelInterpolatorExt(),"Requires // interpolator activated")
 119     def test4(self):
 120         interface=CommInterface()
 121         pass
 122
 123     @unittest.skipUnless(HasMEDFileExt(),"Requires link to MED file")
 124     def test5(self):
 125         f=MEDCouplingFieldDouble(ON_NODES)
 126         f.setTime(1.25,3,6)
 127         a,b,c=f.getTime()
 128         self.assertEqual(b,3) ; self.assertEqual(c,6) ; self.assertAlmostEqual(a,1.25,14);
 129         f1ts=MEDFileField1TS()
 130         f1ts.setTime(10,13,10.75)
 131         f.copyTimeInfoFrom(f1ts)
 132         a,b,c=f.getTime()
 133         self.assertEqual(b,10) ; self.assertEqual(c,13) ; self.assertAlmostEqual(a,10.75,14);
 134         f2=MEDCouplingFieldInt(ON_NODES)
 135         f2.copyTimeInfoFrom(f1ts)
 136         a,b,c=f2.getTime()
 137         self.assertEqual(b,10) ; self.assertEqual(c,13) ; self.assertAlmostEqual(a,10.75,14);
 138         f3=MEDCouplingFieldFloat(ON_NODES)
 139         f3.copyTimeInfoFrom(f1ts)
 140         a,b,c=f3.getTime()
 141         self.assertEqual(b,10) ; self.assertEqual(c,13) ; self.assertAlmostEqual(a,10.75,14);
 142         pass
 143
 144
 145     def partitionerTesterHelper(self,algoSelected):
 146         arr=DataArrayDouble(10) ; arr.iota()
 147         m=MEDCouplingCMesh() ; m.setCoords(arr,arr)
 148         m=m.buildUnstructured() ; m.setName("mesh")
 149         a,b=m.computeNeighborsOfCells()
 150         sk=MEDCouplingSkyLineArray(b,a)
 151         g=MEDPartitioner.Graph(sk,algoSelected)
 152         g.partGraph(4)
 153         procIdOnCells=g.getPartition().getValuesArray()
 154         m0=m[procIdOnCells.findIdsEqual(0)] ; m0.setName("m0")
 155         pass
 156
 157     pass
 158
 159 if __name__ == "__main__":
 160     if HasParallelInterpolatorExt():
 161         try:
 162             from mpi4py import MPI # if not imported test3 may failed due to MPI call of partitioner algorithms.
 163         except:
 164             pass
 165         pass
 166     unittest.main()
 167     pass
 168