143 lines
7.1 KiB
Python
143 lines
7.1 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2020 Antoine Lafr *
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# * *
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# * This file is part of the FreeCAD CAx development system. *
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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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# * FreeCAD 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 FreeCAD; 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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"""Unit test for the DraftGeomUtils module."""
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import unittest
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import FreeCAD
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import Part
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import DraftGeomUtils
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import drafttests.auxiliary as aux
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from draftutils.messages import _msg
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class TestDraftGeomUtils(unittest.TestCase):
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"""Testing the functions in the file DraftGeomUtils.py"""
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def setUp(self):
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"""Prepare the test. Nothing to do here, DraftGeomUtils doesn't need a document."""
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aux.draw_header()
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def test_get_extended_wire(self):
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"""Test the DraftGeomUtils.get_extended_wire function."""
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operation = "DraftGeomUtils.get_extended_wire"
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_msg(" Test '{}'".format(operation))
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# Build wires made with straight edges and various combination of Orientation: the wires 1-4 are all equivalent
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points = [FreeCAD.Vector(0.0, 0.0, 0.0),
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FreeCAD.Vector(1500.0, 2000.0, 0.0),
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FreeCAD.Vector(4500.0, 2000.0, 0.0),
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FreeCAD.Vector(4500.0, 2000.0, 2500.0)]
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edges = []
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for start, end in zip(points[:-1], points[1:]):
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edge = Part.makeLine(start, end)
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edges.append(edge)
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wire1 = Part.Wire(edges)
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edges = []
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for start, end in zip(points[:-1], points[1:]):
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edge = Part.makeLine(end, start)
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edge.Orientation = "Reversed"
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edges.append(edge)
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wire2 = Part.Wire(edges)
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edges = []
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for start, end in zip(points[:-1], points[1:]):
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edge = Part.makeLine(start, end)
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edge.Orientation = "Reversed"
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edges.insert(0, edge)
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wire3 = Part.Wire(edges)
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wire3.Orientation = "Reversed"
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edges = []
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for start, end in zip(points[:-1], points[1:]):
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edge = Part.makeLine(end, start)
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edges.insert(0, edge)
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wire4 = Part.Wire(edges)
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wire4.Orientation = "Reversed"
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# Build wires made with arcs and various combination of Orientation: the wires 5-8 are all equivalent
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points = [FreeCAD.Vector(0.0, 0.0, 0.0),
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FreeCAD.Vector(1000.0, 1000.0, 0.0),
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FreeCAD.Vector(2000.0, 0.0, 0.0),
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FreeCAD.Vector(3000.0, 0.0, 1000.0),
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FreeCAD.Vector(4000.0, 0.0, 0.0)]
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edges = []
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for start, mid, end in zip(points[:-2], points[1:-1], points[2:]):
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edge = Part.Arc(start, mid, end).toShape()
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edges.append(edge)
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wire5 = Part.Wire(edges)
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edges = []
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for start, mid, end in zip(points[:-2], points[1:-1], points[2:]):
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edge = Part.Arc(end, mid, start).toShape()
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edge.Orientation = "Reversed"
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edges.append(edge)
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wire6 = Part.Wire(edges)
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edges = []
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for start, mid, end in zip(points[:-2], points[1:-1], points[2:]):
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edge = Part.Arc(start, mid, end).toShape()
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edge.Orientation = "Reversed"
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edges.insert(0, edge)
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wire7 = Part.Wire(edges)
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wire7.Orientation = "Reversed"
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edges = []
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for start, mid, end in zip(points[:-2], points[1:-1], points[2:]):
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edge = Part.Arc(end, mid, start).toShape()
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edges.insert(0, edge)
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wire8 = Part.Wire(edges)
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wire8.Orientation = "Reversed"
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# Run "get_extended_wire" for all the wires with various offset_start, offset_end combinations
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num_subtests = 0
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offset_values = (2000.0, 0.0, -1000, -2000, -3000, -5500)
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for i, wire in enumerate((wire1, wire2, wire3, wire4, wire5, wire6, wire7, wire8)):
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_msg(" Running tests with wire{}".format(i + 1))
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for offset_start in offset_values:
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for offset_end in offset_values:
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if offset_start + offset_end > -wire.Length:
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subtest = "get_extended_wire(wire{0}, {1}, {2})".format(i + 1, offset_start, offset_end)
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num_subtests += 1 # TODO: it should be "with self.subtest(subtest):" but then it doesn't report failures.
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extended = DraftGeomUtils.get_extended_wire(wire, offset_start, offset_end)
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# Test that the extended wire's length is correctly changed
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self.assertAlmostEqual(extended.Length, wire.Length + offset_start + offset_end,
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DraftGeomUtils.precision(), "'{0}.{1}' failed".format(operation, subtest))
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if offset_start == 0.0:
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# If offset_start is 0.0, check that the wire's start point is unchanged
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self.assertAlmostEqual(extended.OrderedVertexes[0].Point.distanceToPoint(wire.OrderedVertexes[0].Point), 0.0,
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DraftGeomUtils.precision(), "'{0}.{1}' failed".format(operation, subtest))
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if offset_end == 0.0:
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# If offset_end is 0.0, check that the wire's end point is unchanged
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self.assertAlmostEqual(extended.OrderedVertexes[-1].Point.distanceToPoint(wire.OrderedVertexes[-1].Point), 0.0,
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DraftGeomUtils.precision(), "'{0}.{1}' failed".format(operation, subtest))
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_msg(" Test completed, {} subtests run".format(num_subtests))
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def tearDown(self):
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"""Finish the test. Nothing to do here, DraftGeomUtils doesn't need a document."""
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pass
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# suite = unittest.defaultTestLoader.loadTestsFromTestCase(TestDraftGeomUtils)
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# unittest.TextTestRunner().run(suite)
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