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# ***************************************************************************
# * Copyright (c) 2020 Antoine Lafr *
# * Copyright (c) 2025 FreeCAD Project Association *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * 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. *
# * *
# * FreeCAD 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 FreeCAD; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# ***************************************************************************
"""Unit tests for the Draft Workbench, DraftGeomUtils module tests."""
import Part
import DraftGeomUtils
from FreeCAD import Vector
from drafttests import test_base
from draftutils.messages import _msg
class TestDraftGeomUtils(test_base.DraftTestCaseNoDoc):
"""Testing the functions in the file DraftGeomUtils.py"""
def check_wire(self, wire):
offset_values = (2000.0, 0.0, -1000, -2000, -3000, -5500)
for offset_start in offset_values:
for offset_end in offset_values:
if offset_start + offset_end > -wire.Length:
# print ("'start={0}, end={1}' failed".format(offset_start, offset_end))
try:
extended = DraftGeomUtils.get_extended_wire(wire, offset_start, offset_end)
# Test that the extended wire's length is correctly changed
self.assertAlmostEqual(
extended.Length,
wire.Length + offset_start + offset_end,
DraftGeomUtils.precision(),
"'start={0}, end={1}' failed".format(offset_start, offset_end),
)
if offset_start == 0.0:
# If offset_start is 0.0, check that the wire's start point is unchanged
self.assertAlmostEqual(
extended.OrderedVertexes[0].Point.distanceToPoint(
wire.OrderedVertexes[0].Point
),
0.0,
DraftGeomUtils.precision(),
"'start={0}, end={1}' failed".format(offset_start, offset_end),
)
if offset_end == 0.0:
# If offset_end is 0.0, check that the wire's end point is unchanged
self.assertAlmostEqual(
extended.OrderedVertexes[-1].Point.distanceToPoint(
wire.OrderedVertexes[-1].Point
),
0.0,
DraftGeomUtils.precision(),
"'start={0}, end={1}' failed".format(offset_start, offset_end),
)
except Exception as exc:
print(
"get_extended_wire failed for 'start={0}, end={1}'".format(
offset_start, offset_end
)
)
raise exc
def test_get_extended_wire1(self):
"""Test the DraftGeomUtils.get_extended_wire function."""
operation = "DraftGeomUtils.get_extended_wire1"
_msg(" Test '{}'".format(operation))
# Build wires made with straight edges and various combination of Orientation: the wires 1-4 are all equivalent
points = [
Vector(0.0, 0.0, 0.0),
Vector(1500.0, 2000.0, 0.0),
Vector(4500.0, 2000.0, 0.0),
Vector(4500.0, 2000.0, 2500.0),
]
edges = []
for start, end in zip(points[:-1], points[1:]):
edge = Part.makeLine(start, end)
edges.append(edge)
wire = Part.Wire(edges)
self.check_wire(wire)
def test_get_extended_wire2(self):
"""Test the DraftGeomUtils.get_extended_wire function."""
operation = "DraftGeomUtils.get_extended_wire2"
_msg(" Test '{}'".format(operation))
# Build wires made with straight edges and various combination of Orientation: the wires 1-4 are all equivalent
points = [
Vector(0.0, 0.0, 0.0),
Vector(1500.0, 2000.0, 0.0),
Vector(4500.0, 2000.0, 0.0),
Vector(4500.0, 2000.0, 2500.0),
]
edges = []
for start, end in zip(points[:-1], points[1:]):
edge = Part.makeLine(end, start)
edge.Orientation = "Reversed"
edges.append(edge)
wire = Part.Wire(edges)
self.check_wire(wire)
def test_get_extended_wire3(self):
"""Test the DraftGeomUtils.get_extended_wire function."""
operation = "DraftGeomUtils.get_extended_wire3"
_msg(" Test '{}'".format(operation))
# Build wires made with straight edges and various combination of Orientation: the wires 1-4 are all equivalent
points = [
Vector(0.0, 0.0, 0.0),
Vector(1500.0, 2000.0, 0.0),
Vector(4500.0, 2000.0, 0.0),
Vector(4500.0, 2000.0, 2500.0),
]
edges = []
for start, end in zip(points[:-1], points[1:]):
edge = Part.makeLine(start, end)
edge.Orientation = "Reversed"
edges.insert(0, edge)
wire = Part.Wire(edges)
wire.Orientation = "Reversed"
self.check_wire(wire)
def test_get_extended_wire4(self):
"""Test the DraftGeomUtils.get_extended_wire function."""
operation = "DraftGeomUtils.get_extended_wire4"
_msg(" Test '{}'".format(operation))
# Build wires made with straight edges and various combination of Orientation: the wires 1-4 are all equivalent
points = [
Vector(0.0, 0.0, 0.0),
Vector(1500.0, 2000.0, 0.0),
Vector(4500.0, 2000.0, 0.0),
Vector(4500.0, 2000.0, 2500.0),
]
edges = []
for start, end in zip(points[:-1], points[1:]):
edge = Part.makeLine(end, start)
edges.insert(0, edge)
wire = Part.Wire(edges)
wire.Orientation = "Reversed"
self.check_wire(wire)
def test_get_extended_wire5(self):
"""Test the DraftGeomUtils.get_extended_wire function."""
operation = "DraftGeomUtils.get_extended_wire5"
_msg(" Test '{}'".format(operation))
# Build wires made with arcs and various combination of Orientation: the wires 5-8 are all equivalent
points = [
Vector(0.0, 0.0, 0.0),
Vector(1000.0, 1000.0, 0.0),
Vector(2000.0, 0.0, 0.0),
Vector(3000.0, 0.0, 1000.0),
Vector(4000.0, 0.0, 0.0),
]
edges = []
for start, mid, end in zip(points[:-2], points[1:-1], points[2:]):
edge = Part.Arc(start, mid, end).toShape()
edges.append(edge)
wire = Part.Wire(edges)
self.check_wire(wire)
def test_get_extended_wire6(self):
"""Test the DraftGeomUtils.get_extended_wire function."""
operation = "DraftGeomUtils.get_extended_wire6"
_msg(" Test '{}'".format(operation))
# Build wires made with arcs and various combination of Orientation: the wires 5-8 are all equivalent
points = [
Vector(0.0, 0.0, 0.0),
Vector(1000.0, 1000.0, 0.0),
Vector(2000.0, 0.0, 0.0),
Vector(3000.0, 0.0, 1000.0),
Vector(4000.0, 0.0, 0.0),
]
edges = []
for start, mid, end in zip(points[:-2], points[1:-1], points[2:]):
edge = Part.Arc(end, mid, start).toShape()
edge.Orientation = "Reversed"
edges.append(edge)
wire = Part.Wire(edges)
self.check_wire(wire)
def test_get_extended_wire7(self):
"""Test the DraftGeomUtils.get_extended_wire function."""
operation = "DraftGeomUtils.get_extended_wire7"
_msg(" Test '{}'".format(operation))
# Build wires made with arcs and various combination of Orientation: the wires 5-8 are all equivalent
points = [
Vector(0.0, 0.0, 0.0),
Vector(1000.0, 1000.0, 0.0),
Vector(2000.0, 0.0, 0.0),
Vector(3000.0, 0.0, 1000.0),
Vector(4000.0, 0.0, 0.0),
]
edges = []
for start, mid, end in zip(points[:-2], points[1:-1], points[2:]):
edge = Part.Arc(start, mid, end).toShape()
edge.Orientation = "Reversed"
edges.insert(0, edge)
wire = Part.Wire(edges)
wire.Orientation = "Reversed"
self.check_wire(wire)
def test_get_extended_wire8(self):
"""Test the DraftGeomUtils.get_extended_wire function."""
operation = "DraftGeomUtils.get_extended_wire8"
_msg(" Test '{}'".format(operation))
# Build wires made with arcs and various combination of Orientation: the wires 5-8 are all equivalent
points = [
Vector(0.0, 0.0, 0.0),
Vector(1000.0, 1000.0, 0.0),
Vector(2000.0, 0.0, 0.0),
Vector(3000.0, 0.0, 1000.0),
Vector(4000.0, 0.0, 0.0),
]
edges = []
for start, mid, end in zip(points[:-2], points[1:-1], points[2:]):
edge = Part.Arc(end, mid, start).toShape()
edges.insert(0, edge)
wire = Part.Wire(edges)
wire.Orientation = "Reversed"
self.check_wire(wire)
# suite = unittest.defaultTestLoader.loadTestsFromTestCase(TestDraftGeomUtils)
# unittest.TextTestRunner().run(suite)
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