95 lines
4.0 KiB
Python
95 lines
4.0 KiB
Python
# -*- coding: utf-8 -*-
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# ***************************************************************************
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# * Copyright (c) 2019 sliptonic <shopinthewoods@gmail.com> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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import FreeCAD
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import PathScripts.PathGeom as PathGeom
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import PathScripts.PathThreadMilling as PathThreadMilling
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import math
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from PathTests.PathTestUtils import PathTestBase
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def radii(internal, major, minor, toolDia, toolCrest):
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"""test radii function for simple testing"""
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return (minor, major)
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class TestPathThreadMilling(PathTestBase):
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"""Test thread milling basics."""
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def assertRadii(self, have, want):
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self.assertRoughly(have[0], want[0])
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self.assertRoughly(have[1], want[1])
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def assertList(self, have, want):
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self.assertEqual(len(have), len(want))
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for i in range(len(have)):
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self.assertRoughly(have[i], want[i])
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def test00(self):
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"""Verify internal radii."""
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self.assertRadii(PathThreadMilling.threadRadii(True, 20, 18, 2, 0), (8, 9.2))
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self.assertRadii(PathThreadMilling.threadRadii(True, 20, 19, 2, 0), (8.5, 9.1))
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def test01(self):
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"""Verify internal radii with tool crest."""
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self.assertRadii(
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PathThreadMilling.threadRadii(True, 20, 18, 2, 0.1), (8, 9.113397)
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)
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def test10(self):
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"""Verify internal thread passes."""
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self.assertList(
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PathThreadMilling.threadPasses(1, radii, True, 10, 9, 0, 0), [10]
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)
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self.assertList(
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PathThreadMilling.threadPasses(2, radii, True, 10, 9, 0, 0), [9.707107, 10]
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)
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self.assertList(
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PathThreadMilling.threadPasses(5, radii, True, 10, 9, 0, 0),
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[9.447214, 9.632456, 9.774597, 9.894427, 10],
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)
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def test20(self):
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"""Verify external radii."""
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self.assertRadii(PathThreadMilling.threadRadii(False, 20, 18, 2, 0), (11, 9.6))
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self.assertRadii(PathThreadMilling.threadRadii(False, 20, 19, 2, 0), (11, 10.3))
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def test21(self):
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"""Verify external radii with tool crest."""
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self.assertRadii(
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PathThreadMilling.threadRadii(False, 20, 18, 2, 0.1), (11, 9.513397)
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)
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def test30(self):
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"""Verify external thread passes."""
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self.assertList(
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PathThreadMilling.threadPasses(1, radii, False, 10, 9, 0, 0), [9]
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)
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self.assertList(
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PathThreadMilling.threadPasses(2, radii, False, 10, 9, 0, 0), [9.292893, 9]
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)
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self.assertList(
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PathThreadMilling.threadPasses(5, radii, False, 10, 9, 0, 0),
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[9.552786, 9.367544, 9.225403, 9.105573, 9],
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)
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