src/Mod/PartDesign/PartDesignTests/TestFillet.py

# ***************************************************************************
# *   Copyright (c) 2011 Juergen Riegel <FreeCAD@juergen-riegel.net>        *
# *                                                                         *
# *   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.                                 *
# *                                                                         *
# *   This program 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 this program; if not, write to the Free Software   *
# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
# *   USA                                                                   *
# *                                                                         *
# ***************************************************************************

from __future__ import division
from math import pi
import unittest

import FreeCAD


class TestFillet(unittest.TestCase):
    def setUp(self):
        self.Doc = FreeCAD.newDocument("PartDesignTestFillet")

    def testFilletCubeToSphere(self):
        self.Body = self.Doc.addObject("PartDesign::Body", "Body")
        self.Box = self.Doc.addObject("PartDesign::AdditiveBox", "Box")
        self.Body.addObject(self.Box)
        self.Box.Length = 10.00
        self.Box.Width = 10.00
        self.Box.Height = 10.00
        self.Doc.recompute()
        self.Fillet = self.Doc.addObject("PartDesign::Fillet", "Fillet")
        self.Fillet.Base = (self.Box, ["Face" + str(i + 1) for i in range(6)])
        self.Fillet.Radius = 4.999999
        self.Body.addObject(self.Fillet)
        self.Doc.recompute()
        self.assertAlmostEqual(self.Fillet.Shape.Volume, 4 / 3 * pi * 5**3, places=3)
        # test UseAllEdges property
        self.Fillet.UseAllEdges = True
        self.Fillet.Base = (self.Box, [""])  # no subobjects, should still work
        self.Doc.recompute()
        self.assertAlmostEqual(self.Fillet.Shape.Volume, 4 / 3 * pi * 5**3, places=3)
        self.Fillet.Base = (self.Box, ["Face50"])  # non-existent face, topo naming resilience
        self.Doc.recompute()
        self.assertAlmostEqual(self.Fillet.Shape.Volume, 4 / 3 * pi * 5**3, places=3)
        self.Fillet.UseAllEdges = False
        self.Fillet.Base = (self.Box, ["Face1"])
        self.Doc.recompute()
        self.assertNotAlmostEqual(self.Fillet.Shape.Volume, 4 / 3 * pi * 5**3, places=3)

    def tearDown(self):
        # closing doc
        FreeCAD.closeDocument("PartDesignTestFillet")
        # print ("omit closing document for debugging")