# -*- coding: utf-8 -*- # *************************************************************************** # * Copyright (c) 2021 sliptonic * # * * # * 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 * # * * # *************************************************************************** import FreeCAD import Part import Path import Path.Base.Generator.helix as generator import PathTests.PathTestUtils as PathTestUtils Path.Log.setLevel(Path.Log.Level.INFO, Path.Log.thisModule()) Path.Log.trackModule(Path.Log.thisModule()) def _resetArgs(): v1 = FreeCAD.Vector(5, 5, 20) v2 = FreeCAD.Vector(5, 5, 18) edg = Part.makeLine(v1, v2) return { "edge": edg, "hole_radius": 10.0, "step_down": 1.0, "step_over": 0.5, "tool_diameter": 5.0, "inner_radius": 0.0, "direction": "CW", "startAt": "Inside", } class TestPathHelixGenerator(PathTestUtils.PathTestBase): expectedHelixGCode = "G0 X7.500000 Y5.000000\ G1 Z20.000000\ G2 I-2.500000 J0.000000 X2.500000 Y5.000000 Z19.500000\ G2 I2.500000 J0.000000 X7.500000 Y5.000000 Z19.000000\ G2 I-2.500000 J0.000000 X2.500000 Y5.000000 Z18.500000\ G2 I2.500000 J0.000000 X7.500000 Y5.000000 Z18.000000\ G2 I-2.500000 J0.000000 X2.500000 Y5.000000 Z18.000000\ G2 I2.500000 J0.000000 X7.500000 Y5.000000 Z18.000000\ G0 X5.000000 Y5.000000 Z18.000000\ G0 Z20.000000G0 X10.000000 Y5.000000\ G1 Z20.000000\ G2 I-5.000000 J0.000000 X0.000000 Y5.000000 Z19.500000\ G2 I5.000000 J0.000000 X10.000000 Y5.000000 Z19.000000\ G2 I-5.000000 J0.000000 X0.000000 Y5.000000 Z18.500000\ G2 I5.000000 J0.000000 X10.000000 Y5.000000 Z18.000000\ G2 I-5.000000 J0.000000 X0.000000 Y5.000000 Z18.000000\ G2 I5.000000 J0.000000 X10.000000 Y5.000000 Z18.000000\ G0 X5.000000 Y5.000000 Z18.000000\ G0 Z20.000000G0 X12.500000 Y5.000000\ G1 Z20.000000\ G2 I-7.500000 J0.000000 X-2.500000 Y5.000000 Z19.500000\ G2 I7.500000 J0.000000 X12.500000 Y5.000000 Z19.000000\ G2 I-7.500000 J0.000000 X-2.500000 Y5.000000 Z18.500000\ G2 I7.500000 J0.000000 X12.500000 Y5.000000 Z18.000000\ G2 I-7.500000 J0.000000 X-2.500000 Y5.000000 Z18.000000\ G2 I7.500000 J0.000000 X12.500000 Y5.000000 Z18.000000\ G0 X5.000000 Y5.000000 Z18.000000G0 Z20.000000" def test00(self): """Test Basic Helix Generator Return""" args = _resetArgs() result = generator.generate(**args) self.assertTrue(type(result) is list) self.assertTrue(type(result[0]) is Path.Command) gcode = "".join([r.toGCode() for r in result]) print(gcode) self.assertTrue( gcode == self.expectedHelixGCode, "Incorrect helix g-code generated" ) def test01(self): """Test Value and Type checking""" args = _resetArgs() args["hole_radius"] = "10" self.assertRaises(TypeError, generator.generate, **args) args["hole_radius"] = -10.0 self.assertRaises(ValueError, generator.generate, **args) args = _resetArgs() args["inner_radius"] = "2" self.assertRaises(TypeError, generator.generate, **args) args = _resetArgs() args["tool_diameter"] = "5" self.assertRaises(TypeError, generator.generate, **args) args = _resetArgs() # require tool fit 1: radius diff less than tool diam args["hole_radius"] = 10.0 args["inner_radius"] = 6.0 args["tool_diameter"] = 5.0 self.assertRaises(ValueError, generator.generate, **args) # require tool fit 2: hole diameter not greater than tool diam # with zero inner radius args["hole_radius"] = 2.0 args["inner_radius"] = 0.0 args["tool_diameter"] = 5.0 self.assertRaises(ValueError, generator.generate, **args) # step_over is a percent value between 0 and 1 args = _resetArgs() args["step_over"] = 50 self.assertRaises(ValueError, generator.generate, **args) args["step_over"] = "50" self.assertRaises(TypeError, generator.generate, **args) # Other argument testing args = _resetArgs() args["startAt"] = "Other" self.assertRaises(ValueError, generator.generate, **args) args = _resetArgs() args["direction"] = "clock" self.assertRaises(ValueError, generator.generate, **args) def test07(self): """Test Basic Helix Generator verify linear edge is vertical""" # verify linear edge is vertical: X args = _resetArgs() v1 = FreeCAD.Vector(5, 5, 20) v2 = FreeCAD.Vector(5.0001, 5, 10) edg = Part.makeLine(v1, v2) args["edge"] = edg self.assertRaises(ValueError, generator.generate, **args) # verify linear edge is vertical: Y args = _resetArgs() v1 = FreeCAD.Vector(5, 5.0001, 20) v2 = FreeCAD.Vector(5, 5, 10) edg = Part.makeLine(v1, v2) args["edge"] = edg self.assertRaises(ValueError, generator.generate, **args) def test08(self): """Test Helix Generator with horizontal edge""" args = _resetArgs() v1 = FreeCAD.Vector(10, 5, 5) v2 = FreeCAD.Vector(20, 5, 5) edg = Part.makeLine(v1, v2) args["edge"] = edg self.assertRaises(ValueError, generator.generate, **args) def test09(self): """Test Helix Generator with inverted vertical edge""" args = _resetArgs() v1 = FreeCAD.Vector(5, 5, 18) v2 = FreeCAD.Vector(5, 5, 20) edg = Part.makeLine(v1, v2) args["edge"] = edg self.assertRaises(ValueError, generator.generate, **args) def test10(self): """Test Helix Retraction""" # if center is clear, the second to last move should be a rapid away # from the wall args = _resetArgs() v1 = FreeCAD.Vector(0, 0, 20) v2 = FreeCAD.Vector(0, 0, 18) edg = Part.makeLine(v1, v2) args["edge"] = edg args["inner_radius"] = 0.0 args["tool_diameter"] = 5.0 result = generator.generate(**args) self.assertTrue(result[-2].Name == "G0") # if center is not clear, retraction is one straight up on the last # move. the second to last move should be a G2 args["inner_radius"] = 2.0 result = generator.generate(**args) self.assertTrue(result[-2].Name == "G2")