+
+ @unittest.skipUnless('linux'==platform.system().lower(),"stderr redirection not ported on Windows ?")
+ def testMEDFileSafeCall0(self):
+ """ EDF11242 : check status of MED file calls to detect problems immediately. Sorry this test generates awful messages !"""
+ fname="Pyfile94.med"
+ errfname="Pyfile94.err"
+ class StdOutRedirect(object):
+ def __init__(self,fileName):
+ import os,sys
+ sys.stderr.flush()
+ self.stdoutOld=os.dup(2)
+ self.fdOfSinkFile=os.open(fileName,os.O_CREAT | os.O_RDWR)
+ fd2=os.dup2(self.fdOfSinkFile,2)
+ self.origPyVal=sys.stderr
+ class FlushFile(object):
+ def __init__(self,f):
+ self.f=f
+ def write(self,st):
+ self.f.write(st)
+ self.f.flush()
+ def flush(self):
+ return self.f.flush()
+ def isatty(self):
+ return self.f.isatty()
+ sys.stderr=FlushFile(os.fdopen(self.fdOfSinkFile,"w"))
+ def __del__(self):
+ import os,sys
+ sys.stderr=self.origPyVal
+ #os.fsync(self.fdOfSinkFile)
+ os.fsync(2)
+ os.dup2(self.stdoutOld,2)
+ os.close(self.stdoutOld)
+ import os
+ # first clean file if needed
+ if os.path.exists(fname):
+ os.remove(fname)
+ pass
+ # second : build a file from scratch
+ m=MEDCouplingCMesh()
+ arr=DataArrayDouble(11) ; arr.iota()
+ m.setCoords(arr,arr)
+ mm=MEDFileCMesh()
+ mm.setMesh(m)
+ mm.setName("mesh")
+ mm.write(fname,2)
+ # third : change permissions to remove write access on created file
+ os.chmod(fname,0444)
+ # four : try to append data on file -> check that it raises Exception
+ f=MEDCouplingFieldDouble(ON_CELLS)
+ f.setName("field")
+ f.setMesh(m)
+ f.setArray(DataArrayDouble(100))
+ f.getArray()[:]=100.
+ f.checkCoherency()
+ f1ts=MEDFileField1TS()
+ f1ts.setFieldNoProfileSBT(f)
+ # redirect stderr
+ tmp=StdOutRedirect(errfname)
+ self.assertRaises(InterpKernelException,f1ts.write,fname,0) # it should raise !
+ del tmp
+ #
+ if os.path.exists(errfname):
+ os.remove(errfname)
+ #
+ pass
+
+ def testUnivStatus1(self):
+ """ Non regression test to check the effectiveness of univ write status."""
+ fname="Pyfile95.med"
+ arr=DataArrayDouble(10) ; arr.iota()
+ m=MEDCouplingCMesh() ; m.setCoords(arr,arr) ; m.setName("mesh")
+ mm=MEDFileCMesh() ; mm.setMesh(m)
+ mm.setUnivNameWrStatus(False) # test is here
+ mm.write(fname,2)
+ mm=MEDFileCMesh(fname)
+ self.assertEqual(mm.getUnivName(),"")
+ mm.setUnivNameWrStatus(True)
+ mm.write(fname,2)
+ mm=MEDFileCMesh(fname)
+ self.assertTrue(mm.getUnivName()!="")
+ pass
+
+ def testEmptyMesh(self):
+ """ MEDLoader should be able to consistently write and read an empty mesh (coords array
+ with 0 tuples """
+ fname = "Pyfile96.med"
+ m = MEDCouplingUMesh('toto', 2)
+ m.setCoords(DataArrayDouble([], 0, 2))
+ m.setConnectivity(DataArrayInt([]), DataArrayInt([0]))
+ mfu = MEDFileUMesh()
+ mfu.setMeshAtLevel(0, m)
+ mfu.write(fname, 2)
+ mfu2 = MEDFileUMesh(fname)
+ self.assertEqual('toto', mfu2.getName())
+ lvl = mfu2.getNonEmptyLevels()
+ self.assertEqual((), lvl)
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def testMEDFileUMeshPickeling2(self):
+ """ Check that pickalization can be performed on a unpickalized instance. Non regression test."""
+ name="Mesh_1"
+ grpName1="HAUT"
+ grpName2="BASE"
+ hauteur=1.
+ nbOfNodesPerAxis=3
+ arr=DataArrayDouble(nbOfNodesPerAxis) ; arr.iota() ; arr/=(nbOfNodesPerAxis-1) ; arr*=hauteur
+ m=MEDCouplingCMesh() ; m.setCoords(arr,arr,arr) ; m=m.buildUnstructured() ; m.setName(name)
+ mesh=MEDFileUMesh() ; mesh[0]=m
+ m1=m.computeSkin() ; mesh[-1]=m1
+ #
+ bary1=m1.getBarycenterAndOwner()[:,2]
+ grp1=bary1.getIdsInRange(hauteur-1e-12,hauteur+1e-12) ; grp1.setName(grpName1)
+ grp2=bary1.getIdsInRange(0.-1e-12,0.+1e-12) ; grp2.setName(grpName2)
+ mesh.setGroupsAtLevel(-1,[grp1,grp2])
+
+ import cPickle
+ st=cPickle.dumps(mesh,2)
+ mm=cPickle.loads(st)
+ st2=cPickle.dumps(mm,2)
+ mm2=cPickle.loads(st2)
+ self.assertTrue(mesh.isEqual(mm2,1e-12)[0])
+ pass
+