text: #   (c) Juergen Riegel (FreeCAD@juergen-riegel.net) 2011      LGPL        *
  #                                                                         *
  #   This file is part of the FreeCAD CAx development system.              *
  #                                                                         *
  #   This program is free software; you can redistribute it and/or modify  *
  #   it under the terms of the GNU Lesser General Public License (LGPL)    *
  #   as published by the Free Software Foundation; either version 2 of     *
  #   the License, or (at your option) any later version.                   *
  #   for detail see the LICENCE text file.                                 *
  #                                                                         *
  #   FreeCAD 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 Library General Public License for more details.                  *
  #                                                                         *
  #   You should have received a copy of the GNU Library General Public     *
  #   License along with FreeCAD; if not, write to the Free Software        *
  #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
  #   USA                                                                   *
  #**************************************************************************
  import unittest
  
  import FreeCAD
  import Part
  import Sketcher
  import TestSketcherApp
  
  App = FreeCAD
  
  class TestPipe(unittest.TestCase):
      def setUp(self):
          self.Doc = FreeCAD.newDocument("PartDesignTestPipe")
  
      def testSimpleAdditivePipeCase(self):
          self.Body = self.Doc.addObject('PartDesign::Body','Body')
          self.ProfileSketch = self.Doc.addObject('Sketcher::SketchObject', 'ProfileSketch')
          self.Body.addObject(self.ProfileSketch)
          TestSketcherApp.CreateCircleSketch(self.ProfileSketch, (0, 0), 1)
          self.Doc.recompute()
          self.SpineSketch = self.Doc.addObject('Sketcher::SketchObject', 'SpineSketch')
          self.Body.addObject(self.SpineSketch)
          self.SpineSketch.MapMode = 'FlatFace'
          self.SpineSketch.Support = (self.Doc.XZ_Plane, [''])
          self.Doc.recompute()
          self.SpineSketch.addGeometry(Part.LineSegment(App.Vector(0.0,0.0,0),App.Vector(0,1,0)),False)
          self.SpineSketch.addConstraint(Sketcher.Constraint('Coincident',0,1,-1,1)) 
          self.SpineSketch.addConstraint(Sketcher.Constraint('PointOnObject',0,2,-2)) 
          self.SpineSketch.addConstraint(Sketcher.Constraint('DistanceY',0,1,0,2,1)) 
          self.Doc.recompute()
          self.AdditivePipe = self.Doc.addObject("PartDesign::AdditivePipe","AdditivePipe")
          self.Body.addObject(self.AdditivePipe)
          self.AdditivePipe.Profile = self.ProfileSketch
          self.AdditivePipe.Spine = self.SpineSketch
          self.Doc.recompute()
          self.assertAlmostEqual(self.AdditivePipe.Shape.Volume, 3.14159265)
  
      def testSimpleSubtractivePipeCase(self):
          self.Body = self.Doc.addObject('PartDesign::Body','Body')
          self.ProfileSketch = self.Doc.addObject('Sketcher::SketchObject', 'ProfileSketch')
          self.Body.addObject(self.ProfileSketch)
          TestSketcherApp.CreateCircleSketch(self.ProfileSketch, (0, 0), 1)
          self.Doc.recompute()
          self.SpineSketch = self.Doc.addObject('Sketcher::SketchObject', 'SpineSketch')
          self.Body.addObject(self.SpineSketch)
          self.SpineSketch.MapMode = 'FlatFace'
          self.SpineSketch.Support = (self.Doc.XZ_Plane, [''])
          self.Doc.recompute()
          self.SpineSketch.addGeometry(Part.LineSegment(App.Vector(0.0,0.0,0),App.Vector(0,1,0)),False)
          self.SpineSketch.addConstraint(Sketcher.Constraint('Coincident',0,1,-1,1)) 
          self.SpineSketch.addConstraint(Sketcher.Constraint('PointOnObject',0,2,-2)) 
          self.SpineSketch.addConstraint(Sketcher.Constraint('DistanceY',0,1,0,2,1)) 
          self.Doc.recompute()
          self.PadSketch = self.Doc.addObject('Sketcher::SketchObject', 'PadSketch')
          self.Body.addObject(self.PadSketch)
          TestSketcherApp.CreateRectangleSketch(self.PadSketch, (-5, -5), (10, 10))
          self.Doc.recompute()
          self.Pad = self.Doc.addObject("PartDesign::Pad", "Pad")
          self.Body.addObject(self.Pad)
          self.Pad.Profile = self.PadSketch
          self.Pad.Length = 1.0
          self.Doc.recompute()
          self.SubtractivePipe = self.Doc.addObject("PartDesign::SubtractivePipe","SubtractivePipe")
          self.Body.addObject(self.SubtractivePipe)
          self.SubtractivePipe.Profile = self.ProfileSketch
          self.SubtractivePipe.Spine = self.SpineSketch
          self.Doc.recompute()
          self.assertAlmostEqual(self.SubtractivePipe.Shape.Volume, 100 - 3.14159265)
  
      def tearDown(self):
          #closing doc
          FreeCAD.closeDocument("PartDesignTestPipe")
          #print ("omit closing document for debugging")
  
  