src/SketchPlugin/Test/TestCreateEllipticArcByExternal.py

   1 # Copyright (C) 2019  CEA/DEN, EDF R&D
   2 #
   3 # This library is free software; you can redistribute it and/or
   4 # modify it under the terms of the GNU Lesser General Public
   5 # License as published by the Free Software Foundation; either
   6 # version 2.1 of the License, or (at your option) any later version.
   7 #
   8 # This library is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 # Lesser General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU Lesser General Public
  14 # License along with this library; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 #
  17 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 #
  19
  20 """
  21     Test creation of elliptic arc by external feature
  22 """
  23
  24 import unittest
  25 from salome.shaper import model
  26
  27 from GeomAPI import *
  28 from SketchAPI import *
  29
  30 __updated__ = "2019-10-02"
  31
  32 # reference data
  33 CENTER_POINT = GeomAPI_Pnt2d(50., 50.)
  34 MAJOR_AXIS_POINT = GeomAPI_Pnt2d(70., 60.)
  35 START_POINT = GeomAPI_Pnt2d(60., 65.)
  36 END_POINT = GeomAPI_Pnt2d(60., 42.535751)
  37 ARC_LENGTH_1 = 0
  38 ARC_LENGTH_2 = 0
  39
  40 class TestEllipticArcByExternal(unittest.TestCase):
  41   def setUp(self):
  42     model.begin()
  43     self.myDocument = model.moduleDocument()
  44     self.mySketch = model.addSketch(self.myDocument, model.defaultPlane("XOY"))
  45     self.myDOF = 0
  46
  47   def tearDown(self):
  48     self.checkDOF()
  49     model.end()
  50
  51
  52   def checkDOF(self):
  53     self.assertEqual(model.dof(self.mySketch), self.myDOF)
  54
  55   def checkPointsEqual(self, thePoint1, thePoint2):
  56     self.assertAlmostEqual(thePoint1.x(), thePoint2.x(), 5)
  57     self.assertAlmostEqual(thePoint1.y(), thePoint2.y(), 5)
  58
  59
  60   def test_elliptic_arc_by_external_name_1(self):
  61     """ Test 1. Create elliptic arc by name of external edge (direct)
  62     """
  63     self.myEllipse = self.mySketch.addEllipticArc("Sketch_1/SketchEllipticArc_1")
  64     model.do()
  65
  66     # check ellipse parameters
  67     anArcEdge = self.myEllipse.defaultResult().shape().edge()
  68     anEllipse = anArcEdge.ellipse()
  69     self.checkPointsEqual(anEllipse.center(), CENTER_POINT)
  70     self.checkPointsEqual(self.myEllipse.majorAxisPositive(), MAJOR_AXIS_POINT)
  71     self.checkPointsEqual(self.myEllipse.startPoint(), START_POINT)
  72     self.checkPointsEqual(self.myEllipse.endPoint(), END_POINT)
  73     self.assertAlmostEqual(anArcEdge.length(), ARC_LENGTH_1)
  74
  75   def test_elliptic_arc_by_external_name_2(self):
  76     """ Test 2. Create elliptic arc by name of external edge (reversed)
  77     """
  78     self.myEllipse = self.mySketch.addEllipticArc("Sketch_1/SketchEllipticArc_2")
  79     model.do()
  80
  81     # check ellipse parameters
  82     anArcEdge = self.myEllipse.defaultResult().shape().edge()
  83     anEllipse = anArcEdge.ellipse()
  84     self.checkPointsEqual(anEllipse.center(), CENTER_POINT)
  85     self.checkPointsEqual(self.myEllipse.majorAxisPositive(), MAJOR_AXIS_POINT)
  86     self.checkPointsEqual(anArcEdge.firstPoint(), END_POINT)
  87     self.checkPointsEqual(anArcEdge.lastPoint(), START_POINT)
  88     self.assertAlmostEqual(anArcEdge.length(), ARC_LENGTH_2)
  89
  90   def test_elliptic_arc_by_external_selection_1(self):
  91     """ Test 3. Create elliptic arc by selected edge (direct)
  92     """
  93     self.myEllipse = self.mySketch.addEllipticArc(ELLIPTIC_ARC_1.results()[-1])
  94     model.do()
  95
  96     # check ellipse parameters
  97     anArcEdge = self.myEllipse.defaultResult().shape().edge()
  98     anEllipse = anArcEdge.ellipse()
  99     self.checkPointsEqual(anEllipse.center(), CENTER_POINT)
 100     self.checkPointsEqual(self.myEllipse.majorAxisPositive(), MAJOR_AXIS_POINT)
 101     self.checkPointsEqual(self.myEllipse.startPoint(), START_POINT)
 102     self.checkPointsEqual(self.myEllipse.endPoint(), END_POINT)
 103     self.assertAlmostEqual(anArcEdge.length(), ARC_LENGTH_1)
 104
 105   def test_elliptic_arc_by_external_selection_2(self):
 106     """ Test 4. Create elliptic arc by selected edge (reversed)
 107     """
 108     self.myEllipse = self.mySketch.addEllipticArc(ELLIPTIC_ARC_2.results()[-1])
 109     model.do()
 110
 111     # check ellipse parameters
 112     anArcEdge = self.myEllipse.defaultResult().shape().edge()
 113     anEllipse = anArcEdge.ellipse()
 114     self.checkPointsEqual(anEllipse.center(), CENTER_POINT)
 115     self.checkPointsEqual(self.myEllipse.majorAxisPositive(), MAJOR_AXIS_POINT)
 116     self.checkPointsEqual(self.myEllipse.startPoint(), END_POINT)
 117     self.checkPointsEqual(self.myEllipse.endPoint(), START_POINT)
 118     self.assertAlmostEqual(anArcEdge.length(), ARC_LENGTH_2)
 119
 120
 121 if __name__ == "__main__":
 122     model.begin()
 123     aDocument = model.moduleDocument()
 124     aSketch = model.addSketch(aDocument, model.defaultPlane("XOY"))
 125     aSketch.addEllipticArc(CENTER_POINT, MAJOR_AXIS_POINT, START_POINT, END_POINT, False)
 126     model.do()
 127
 128     ELLIPTIC_ARC_1 = SketchAPI_EllipticArc(model.lastSubFeature(aSketch, "SketchEllipticArc"))
 129     ARC_LENGTH_1 = ELLIPTIC_ARC_1.defaultResult().shape().edge().length()
 130
 131     aSketch.addEllipticArc(CENTER_POINT, MAJOR_AXIS_POINT, START_POINT, END_POINT, True)
 132     model.end()
 133
 134     ELLIPTIC_ARC_2 = SketchAPI_EllipticArc(model.lastSubFeature(aSketch, "SketchEllipticArc"))
 135     ARC_LENGTH_2 = ELLIPTIC_ARC_2.defaultResult().shape().edge().length()
 136
 137     # redefine end point
 138     END_POINT = ELLIPTIC_ARC_2.endPoint()
 139
 140     test_program = unittest.main(exit=False)
 141     assert test_program.result.wasSuccessful(), "Test failed"
 142     assert model.checkPythonDump()