""" build123d imports name: test_assembly.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 re import unittest from build123d.topology import Compound, Solid class TestAssembly(unittest.TestCase): @staticmethod def create_test_assembly() -> Compound: box = Solid.make_box(1, 1, 1) box.orientation = (45, 45, 0) box.label = "box" sphere = Solid.make_sphere(1) sphere.label = "sphere" sphere.position = (1, 2, 3) assembly = Compound(label="assembly", children=[box]) sphere.parent = assembly return assembly def assertTopoEqual(self, actual_topo: str, expected_topo_lines: list[str]): actual_topo_lines = actual_topo.splitlines() self.assertEqual(len(actual_topo_lines), len(expected_topo_lines)) for actual_line, expected_line in zip(actual_topo_lines, expected_topo_lines): start, end = re.split(r"at 0x[0-9a-f]+,", expected_line, maxsplit=2, flags=re.I) self.assertTrue(actual_line.startswith(start)) self.assertTrue(actual_line.endswith(end)) def test_attributes(self): box = Solid.make_box(1, 1, 1) box.label = "box" sphere = Solid.make_sphere(1) sphere.label = "sphere" assembly = Compound(label="assembly", children=[box]) sphere.parent = assembly self.assertEqual(len(box.children), 0) self.assertEqual(box.label, "box") self.assertEqual(box.parent, assembly) self.assertEqual(sphere.parent, assembly) self.assertEqual(len(assembly.children), 2) def test_show_topology_compound(self): assembly = TestAssembly.create_test_assembly() expected = [ "assembly Compound at 0x7fced0fd1b50, Location(p=(0.00, 0.00, 0.00), o=(-0.00, 0.00, -0.00))", "├── box Solid at 0x7fced102d3a0, Location(p=(0.00, 0.00, 0.00), o=(45.00, 45.00, -0.00))", "└── sphere Solid at 0x7fced0fd1f10, Location(p=(1.00, 2.00, 3.00), o=(-0.00, 0.00, -0.00))", ] self.assertTopoEqual(assembly.show_topology("Solid"), expected) def test_show_topology_shape_location(self): assembly = TestAssembly.create_test_assembly() expected = [ "Solid at 0x7f3754501530, Position(1.0, 2.0, 3.0)", "└── Shell at 0x7f3754501a70, Position(1.0, 2.0, 3.0)", " └── Face at 0x7f3754501030, Position(1.0, 2.0, 3.0)", ] self.assertTopoEqual( assembly.children[1].show_topology("Face", show_center=False), expected ) def test_show_topology_shape(self): assembly = TestAssembly.create_test_assembly() expected = [ "Solid at 0x7f6279043ab0, Center(1.0, 2.0, 3.0)", "└── Shell at 0x7f62790438f0, Center(1.0, 2.0, 3.0)", " └── Face at 0x7f62790439f0, Center(1.0, 2.0, 3.0)", ] self.assertTopoEqual(assembly.children[1].show_topology("Face"), expected) def test_remove_child(self): assembly = TestAssembly.create_test_assembly() self.assertEqual(len(assembly.children), 2) assembly.children = list(assembly.children)[1:] self.assertEqual(len(assembly.children), 1) def test_do_children_intersect(self): ( overlap, pair, distance, ) = TestAssembly.create_test_assembly().do_children_intersect() self.assertFalse(overlap) box = Solid.make_box(1, 1, 1) box.orientation = (45, 45, 0) box.label = "box" sphere = Solid.make_sphere(1) sphere.label = "sphere" sphere.position = (0, 0, 0) assembly = Compound(label="assembly", children=[box]) sphere.parent = assembly overlap, pair, distance = assembly.do_children_intersect() self.assertTrue(overlap) if __name__ == "__main__": unittest.main()