src/PyWrapping/TestPyWrapGathered_medcoupling.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2017-2019  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 import unittest
  24
  25 class FileCreator(object):
  26     def __init__(self,tester,fname):
  27         self._tester=tester
  28         self._fname=fname
  29         pass
  30
  31     def fileName(self):
  32         return self._fname
  33
  34     def __enter__(self):
  35         import os
  36         if os.path.exists(self._fname):
  37             os.remove(self._fname)
  38             pass
  39         return self
  40
  41     def __exit__(self, type, value, traceback):
  42         import os
  43         if not os.path.exists(self._fname):
  44             self._tester.assertTrue(False)
  45             pass
  46         else:
  47             os.remove(self._fname)
  48         pass
  49
  50 class medcouplingTest(unittest.TestCase):
  51
  52     def test0(self):
  53         """ Unconditional test : medcoupling "kernel" classes """
  54         f=MEDCouplingFieldDouble(ON_CELLS)
  55         g=DataArrayDouble(10,2)
  56         h=MEDCouplingUMesh("mesh",3)
  57         hh=MEDCouplingRemapper()
  58         ee=InterpKernelException("ee")
  59         pass
  60
  61     @unittest.skipUnless(HasMEDFileExt(),"Requires link to MED file")
  62     def test1(self):
  63         import sys
  64         fname="mctest1.med"
  65         arr=DataArrayDouble(10) ; arr.iota()
  66         m=MEDCouplingCMesh()
  67         m.setCoords(arr,arr)
  68         m.setName("mesh")
  69         with FileCreator(self,fname) as fc:
  70             m.write(fc.fileName())
  71         m=m.buildUnstructured()
  72         with FileCreator(self,fname) as fc:
  73             m.write(fc.fileName())
  74         f=MEDCouplingFieldDouble(ON_NODES) ; f.setMesh(m) ; f.setArray(m.getCoords()) ; f.setName("field")
  75         with FileCreator(self,fname) as fc:
  76             f.write(fc.fileName())
  77         f=MEDCouplingFieldFloat(ON_NODES) ; f.setMesh(m)
  78         d=DataArrayFloat(m.getNumberOfNodes()) ; d.iota()
  79         f.setArray(d) ; f.setName("field1")
  80         with FileCreator(self,fname) as fc:
  81             f.write(fc.fileName())
  82         pass
  83
  84     @unittest.skipUnless(HasRenumberExt(),"Requires Boost or Metis to activate Renumberer")
  85     def test2(self):
  86         arr=DataArrayDouble(10) ; arr.iota()
  87         m=MEDCouplingCMesh() ; m.setCoords(arr,arr)
  88         m=m.buildUnstructured() ; m.setName("mesh")
  89         #
  90         renf=RenumberingFactory("Boost")
  91         neigh,neighi=m.computeNeighborsOfCells()
  92         n2o,o2n=renf.renumber(neigh,neighi)
  93         mRenum=m[n2o]
  94         pass
  95
  96     @unittest.skipUnless(HasPartitionerExt(),"Requires Partitioner activation")
  97     def test3(self):
  98         for alg in MEDPartitioner.AvailableAlgorithms():
  99             st="Graph.%s"%alg.upper()
 100             print(st)
 101             self.partitionerTesterHelper(eval(st))
 102             pass
 103         pass
 104
 105     @unittest.skipUnless(HasParallelInterpolatorExt(),"Requires // interpolator activated")
 106     def test4(self):
 107         interface=CommInterface()
 108         pass
 109
 110     @unittest.skipUnless(HasMEDFileExt(),"Requires link to MED file")
 111     def test5(self):
 112         f=MEDCouplingFieldDouble(ON_NODES)
 113         f.setTime(1.25,3,6)
 114         a,b,c=f.getTime()
 115         self.assertEqual(b,3) ; self.assertEqual(c,6) ; self.assertAlmostEqual(a,1.25,14);
 116         f1ts=MEDFileField1TS()
 117         f1ts.setTime(10,13,10.75)
 118         f.copyTimeInfoFrom(f1ts)
 119         a,b,c=f.getTime()
 120         self.assertEqual(b,10) ; self.assertEqual(c,13) ; self.assertAlmostEqual(a,10.75,14);
 121         f2=MEDCouplingFieldInt(ON_NODES)
 122         f2.copyTimeInfoFrom(f1ts)
 123         a,b,c=f2.getTime()
 124         self.assertEqual(b,10) ; self.assertEqual(c,13) ; self.assertAlmostEqual(a,10.75,14);
 125         f3=MEDCouplingFieldFloat(ON_NODES)
 126         f3.copyTimeInfoFrom(f1ts)
 127         a,b,c=f3.getTime()
 128         self.assertEqual(b,10) ; self.assertEqual(c,13) ; self.assertAlmostEqual(a,10.75,14);
 129         pass
 130
 131
 132     def partitionerTesterHelper(self,algoSelected):
 133         arr=DataArrayDouble(10) ; arr.iota()
 134         m=MEDCouplingCMesh() ; m.setCoords(arr,arr)
 135         m=m.buildUnstructured() ; m.setName("mesh")
 136         a,b=m.computeNeighborsOfCells()
 137         sk=MEDCouplingSkyLineArray(b,a)
 138         g=MEDPartitioner.Graph(sk,algoSelected)
 139         g.partGraph(4)
 140         procIdOnCells=g.getPartition().getValuesArray()
 141         m0=m[procIdOnCells.findIdsEqual(0)] ; m0.setName("m0")
 142         pass
 143
 144     pass
 145
 146 if __name__ == "__main__":
 147     if HasParallelInterpolatorExt():
 148         try:
 149             from mpi4py import MPI # if not imported test3 may failed due to MPI call of partitioner algorithms.
 150         except:
 151             pass
 152         pass
 153     unittest.main()
 154     pass
 155