""" build123d imports name: test_functions.py by: Gumyr date: January 22, 2025 desc: This python module contains tests for the build123d project. license: Copyright 2025 Gumyr Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. """ import math import unittest from build123d.geometry import Plane, Vector from build123d.objects_part import Box from build123d.topology import ( Compound, Face, Solid, edges_to_wires, polar, new_edges, delta, unwrap_topods_compound, ) class TestFunctions(unittest.TestCase): def test_edges_to_wires(self): square_edges = Face.make_rect(1, 1).edges() rectangle_edges = Face.make_rect(2, 1, Plane((5, 0))).edges() wires = edges_to_wires(square_edges + rectangle_edges) self.assertEqual(len(wires), 2) self.assertAlmostEqual(wires[0].length, 4, 5) self.assertAlmostEqual(wires[1].length, 6, 5) def test_polar(self): pnt = polar(1, 30) self.assertAlmostEqual(pnt[0], math.sqrt(3) / 2, 5) self.assertAlmostEqual(pnt[1], 0.5, 5) def test_new_edges(self): c = Solid.make_cylinder(1, 5) s = Solid.make_sphere(2) s_minus_c = s - c seams = new_edges(c, s, combined=s_minus_c) self.assertEqual(len(seams), 1) self.assertAlmostEqual(seams[0].radius, 1, 5) def test_delta(self): cyl = Solid.make_cylinder(1, 5) sph = Solid.make_sphere(2) con = Solid.make_cone(2, 1, 2) plug = delta([cyl, sph, con], [sph, con]) self.assertEqual(len(plug), 1) self.assertEqual(plug[0], cyl) def test_parse_intersect_args(self): with self.assertRaises(TypeError): Vector(1, 1, 1) & ("x", "y", "z") def test_unwrap_topods_compound(self): # Complex Compound b1 = Box(1, 1, 1).solid() b2 = Box(2, 2, 2).solid() c1 = Compound([b1, b2]) c2 = Compound([b1, c1]) c3 = Compound([c2]) c4 = Compound([c3]) self.assertEqual(c4.wrapped.NbChildren(), 1) c5 = Compound(unwrap_topods_compound(c4.wrapped, False)) self.assertEqual(c5.wrapped.NbChildren(), 2) # unwrap fully c0 = Compound([b1]) c1 = Compound([c0]) result = Compound.cast(unwrap_topods_compound(c1.wrapped, True)) self.assertTrue(isinstance(result, Solid)) # unwrap not fully result = Compound.cast(unwrap_topods_compound(c1.wrapped, False)) self.assertTrue(isinstance(result, Compound)) if __name__ == "__main__": unittest.main()