--- /dev/null
+# Copyright (C) 2022-2023 CEA, EDF, OPEN CASCADE
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+
+"""
+ TestExportXAOMem.py
+ Unit test of ExchangePlugin_ExportFeature class
+"""
+
+#=========================================================================
+# Initialization of the test
+#=========================================================================
+
+import salome
+salome.standalone()
+salome.salome_init(1)
+
+import os
+import math
+import tempfile
+
+from ModelAPI import *
+from GeomAlgoAPI import *
+from salome.shaper import model
+
+import GEOM
+from salome.geom import geomBuilder
+geompy = geomBuilder.New()
+
+#=========================================================================
+# test Export XAO to memory buffer (bytes array)
+#=========================================================================
+def testExportXAOMem():
+
+ model.begin()
+ partSet = model.moduleDocument()
+ Part_1 = model.addPart(partSet)
+ Part_1_doc = Part_1.document()
+ Box_1 = model.addBox(Part_1_doc, 10, 10, 10)
+ Group_1 = model.addGroup(Part_1_doc, "Faces", [model.selection("FACE", "Box_1_1/Top")])
+ Box_2 = model.addBox(Part_1_doc, 20, 20, 20)
+ model.do()
+
+ # Export to memory buffer (bytes array)
+ Export_buff1 = model.exportToXAOMem(Part_1_doc, model.selection("SOLID", "Box_1_1"), 'XAO')
+ Export_buff2 = model.exportToXAOMem(Part_1_doc, model.selection("SOLID", "Box_2_1"), 'XAO')
+ model.end()
+
+ # check buffer length
+ # export to XAO file and compare size of file and size of buffer
+ #assert(len(Export_buff1) == 4392)
+ #assert(len(Export_buff2) == 4287)
+ with tempfile.TemporaryDirectory() as tmpdirname:
+ tmpfilename = os.path.join(tmpdirname, "Box.xao")
+ Export_1 = model.exportToXAO(Part_1_doc, tmpfilename, model.selection("SOLID", "Box_1_1"), 'XAO')
+ file_stats = os.stat(tmpfilename)
+ assert(len(Export_buff1) == file_stats.st_size)
+
+ Export_2 = model.exportToXAO(Part_1_doc, tmpfilename, model.selection("SOLID", "Box_2_1"), 'XAO')
+ file_stats = os.stat(tmpfilename)
+ assert(len(Export_buff2) == file_stats.st_size)
+ pass
+
+ # Import to GEOM
+ (imported1, b1, [], [Group_1], []) = geompy.ImportXAOMem(Export_buff1, theName="Box1")
+ (imported2, b2, [], [] , []) = geompy.ImportXAOMem(Export_buff2, theName="Box2")
+
+ # Check result 1
+ aTol = 1.e-7
+ Props = geompy.BasicProperties(b1)
+ # surface area
+ aSurface = 600
+ assert (math.fabs(Props[1] - aSurface) < aTol), "The surface is wrong: expected = {0}, real = {1}".format(aSurface, Props[1])
+
+ Props = geompy.BasicProperties(Group_1)
+ # surface area
+ aSurface = 100
+ assert (math.fabs(Props[1] - aSurface) < aTol), "The surface is wrong: expected = {0}, real = {1}".format(aSurface, Props[1])
+
+ # Check result 2
+ Props = geompy.BasicProperties(b2)
+ # surface area
+ aSurface = 2400
+ assert (math.fabs(Props[1] - aSurface) < aTol), "The surface is wrong: expected = {0}, real = {1}".format(aSurface, Props[1])
+
+if __name__ == '__main__':
+ #=========================================================================
+ # Export a shape into XAO memory buffer
+ #=========================================================================
+ testExportXAOMem()
+ #=========================================================================
+ # End of test
+ #=========================================================================
