src/Container/Test/testProxy.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2023  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.SetOverrideEnvForContainersSimple(env = [("jj",val_for_jj),("SALOME_FILE_BIG_OBJ_DIR",val_for_big_obj),("SALOME_BIG_OBJ_ON_DISK_THRES",val_for_thres)])
  45             cont = salome.cm.GiveContainer(cp)
  46             ## Time to test it
  47             script_st = """import os
  48 a = os.environ["SALOME_FILE_BIG_OBJ_DIR"]
  49 b = os.environ["jj"]
  50 c = os.environ["SALOME_BIG_OBJ_ON_DISK_THRES"]
  51 j = a,b,c"""
  52             pyscript = cont.createPyScriptNode("testScript",script_st)
  53             a,b,c = pickle.loads(pyscript.execute(["j"],pickle.dumps(([],{}))))[0]
  54             self.assertTrue( a == val_for_big_obj )
  55             self.assertTrue( b == val_for_jj )
  56             self.assertTrue( c == val_for_thres )
  57             # check environment using POSIX API in the container process
  58             for k,v in [("SALOME_FILE_BIG_OBJ_DIR",val_for_big_obj),("SALOME_BIG_OBJ_ON_DISK_THRES",val_for_thres),("jj",val_for_jj)]:
  59                 assert( {elt.key:elt.value.value() for elt in cont.get_os_environment()}[k] == v )
  60             #
  61             import SALOME_PyNode
  62             poa = salome.orb.resolve_initial_references("RootPOA")
  63             obj = SALOME_PyNode.SenderByte_i(poa,pickle.dumps( ([],{}) ))
  64             id_o = poa.activate_object(obj)
  65             refPtr = poa.id_to_reference(id_o)
  66             script_st2 = """ob = list( range(100) )""" # size of pickled ob must be greater than val_for_thres
  67             pyscript2 = cont.createPyScriptNode("testScript2",script_st2)
  68             pyscript2.executeFirst(refPtr)
  69             ret2 = pyscript2.executeSecond(["ob"])
  70             self.assertTrue( len(ret2) == 1)
  71             ret2 = ret2[0]
  72             ret3 = pickle.loads( SALOME_PyNode.SeqByteReceiver(ret2).data() )
  73             self.assertTrue( isinstance( ret3, SALOME_PyNode.BigObjectOnDiskList ) )
  74             self.assertTrue( val_for_big_obj == os.path.dirname( ret3.getFileName() ) )# very important part of test
  75             self.assertTrue( ret3.get() == list(range(100)) )
  76             fn = ret3.getFileName()
  77             self.assertTrue( os.path.exists( fn ) )
  78             ret3.unlinkOnDestructor()
  79             del ret3
  80             import gc
  81             gc.collect(0)
  82             self.assertTrue( not os.path.exists( fn ) ) # at destruction of ret3 the corresponding pckl file must be destructed
  83             cont.Shutdown()
  84
  85     def testExecCodeAtInit(self):
  86         """
  87         [EDF28648] : allow initialisation script at startup
  88         """
  89         import os
  90         with tempfile.NamedTemporaryFile() as tmpFileName:
  91             tmpFileName.close()
  92             salome.cm.SetCodeOnContainerStartUp("""
  93 with open("{}","w") as f:
  94   f.write("coucou")
  95 """.format(tmpFileName.name) )# injection of python code expected to be executed at startup
  96             cp = pylauncher.GetRequestForGiveContainer("localhost","gg")
  97             cont = salome.cm.GiveContainer(cp) # code is expected to be executed in process abroad -> file is supposed to contain coucou
  98             cont.Shutdown()
  99             salome.cm.SetCodeOnContainerStartUp("") # no more startup code for other tests
 100             with open(tmpFileName.name,"r") as f:
 101                 self.assertTrue(f.read()=="coucou")
 102             os.unlink( tmpFileName.name ) # context manager do not clean file
 103
 104 if __name__ == '__main__':
 105     salome.standalone()
 106     salome.salome_init()
 107     unittest.main()