src/Container/Test/testProxy.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2023-2024  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
  21 import unittest
  22 import os
  23 import salome
  24 import Engines
  25 import pickle
  26 import tempfile
  27 import pylauncher
  28
  29 class TestProxy(unittest.TestCase):
  30     def testProxy(self):
  31         """
  32         [EDF27816] : This test checks two things :
  33         - Capability of ContainerManager to launch a Container with overriden environement
  34         - Management of proxy creation to manage big obj exchange between process (here between Container and the current process)
  35         """
  36         hostname = "localhost"
  37         cp = pylauncher.GetRequestForGiveContainer(hostname,"container_test")
  38
  39         with tempfile.TemporaryDirectory() as tmpdirname:
  40             val_for_jj = "3333"
  41             val_for_big_obj = str( tmpdirname )
  42             val_for_thres = 100 # force proxy file
  43             # Override environement for all containers launched
  44             salome.cm.SetBigObjOnDiskDirectory(val_for_big_obj)
  45             salome.cm.SetBigObjOnDiskThreshold(val_for_thres)
  46             salome.cm.SetOverrideEnvForContainersSimple(env = [("jj",val_for_jj)])
  47             cont = salome.cm.GiveContainer(cp)
  48             ## Time to test it
  49             script_st = """import os
  50 import KernelBasis
  51 a = KernelBasis.GetBigObjOnDiskDirectory()
  52 b = os.environ["jj"]
  53 c = KernelBasis.GetBigObjOnDiskThreshold()
  54 j = a,b,c"""
  55             pyscript = cont.createPyScriptNode("testScript",script_st)
  56             a,b,c = pickle.loads(pyscript.execute(["j"],pickle.dumps(([],{}))))[0]
  57             self.assertTrue( a == val_for_big_obj )
  58             self.assertTrue( b == val_for_jj )
  59             self.assertTrue( c == val_for_thres )
  60             # check environment using POSIX API in the container process
  61             for k,v in [("jj",val_for_jj)]:
  62                 assert( {elt.key:elt.value.value() for elt in cont.get_os_environment()}[k] == v )
  63             #
  64             import SALOME_PyNode
  65             poa = salome.orb.resolve_initial_references("RootPOA")
  66             obj = SALOME_PyNode.SenderByte_i(poa,pickle.dumps( ([],{}) ))
  67             id_o = poa.activate_object(obj)
  68             refPtr = poa.id_to_reference(id_o)
  69             script_st2 = """ob = list( range(100) )""" # size of pickled ob must be greater than val_for_thres
  70             pyscript2 = cont.createPyScriptNode("testScript2",script_st2)
  71             pyscript2.executeFirst(refPtr)
  72             ret2 = pyscript2.executeSecond(["ob"])
  73             self.assertTrue( len(ret2) == 1)
  74             ret2 = ret2[0]
  75             ret3 = pickle.loads( SALOME_PyNode.SeqByteReceiver(ret2).data() )
  76             self.assertTrue( isinstance( ret3, SALOME_PyNode.BigObjectOnDiskList ) )
  77             self.assertTrue( val_for_big_obj == os.path.dirname( ret3.getFileName() ) )# very important part of test
  78             self.assertTrue( ret3.get() == list(range(100)) )
  79             fn = ret3.getFileName()
  80             self.assertTrue( os.path.exists( fn ) )
  81             ret3.unlinkOnDestructor()
  82             del ret3
  83             import gc
  84             gc.collect(0)
  85             self.assertTrue( not os.path.exists( fn ) ) # at destruction of ret3 the corresponding pckl file must be destructed
  86             cont.Shutdown()
  87
  88     def testExecCodeAtInit(self):
  89         """
  90         [EDF28648] : allow initialisation script at startup
  91         """
  92         import os
  93         with tempfile.NamedTemporaryFile() as tmpFileName:
  94             tmpFileName.close()
  95             salome.cm.SetCodeOnContainerStartUp("""
  96 with open("{}","w") as f:
  97   f.write("coucou")
  98 """.format(tmpFileName.name) )# injection of python code expected to be executed at startup
  99             cp = pylauncher.GetRequestForGiveContainer("localhost","gg")
 100             cont = salome.cm.GiveContainer(cp) # code is expected to be executed in process abroad -> file is supposed to contain coucou
 101             cont.Shutdown()
 102             salome.cm.SetCodeOnContainerStartUp("") # no more startup code for other tests
 103             with open(tmpFileName.name,"r") as f:
 104                 self.assertTrue(f.read()=="coucou")
 105             os.unlink( tmpFileName.name ) # context manager do not clean file
 106
 107 if __name__ == '__main__':
 108     salome.standalone()
 109     salome.salome_init()
 110     unittest.main()