diff options
| -rw-r--r-- | gerbolyze/tests/test_regression.py | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gerbolyze/tests/test_regression.py b/gerbolyze/tests/test_regression.py new file mode 100644 index 0000000..7c3e2ac --- /dev/null +++ b/gerbolyze/tests/test_regression.py @@ -0,0 +1,75 @@ +#s -*- coding: utf-8 -*- +# +# Copyright 2022 Jan Götte <code@jaseg.de> +# +# 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 under the License is 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 sys +import math +import subprocess +import tempfile +from pathlib import Path +from xml.etree import ElementTree + +import gerbonara +import pytest + +from .test_integration import run_command + + + +def test_template_round_trip(): + r = 50 # mm + n_points = 500000 + + with tempfile.NamedTemporaryFile(suffix='.svg') as out_svg,\ + tempfile.NamedTemporaryFile(suffix='.svg') as proc_svg,\ + tempfile.TemporaryDirectory() as out_dir: + run_command('python3', 'gerbolyze', 'empty-template', '--force', '--size', f'{2*(r)}x{2*(r)}mm', out_svg.name) + + ElementTree.register_namespace('', 'http://www.w3.org/2000/svg') + ElementTree.register_namespace('svg', 'http://www.w3.org/2000/svg') + et = ElementTree.parse(out_svg) + for layer in [ + et.find(".//{http://www.w3.org/2000/svg}g[@id='g-top-copper']"), + et.find(".//{http://www.w3.org/2000/svg}g[@id='g-bottom-copper']")]: + poly = ElementTree.SubElement(layer, '{http://www.w3.org/2000/svg}polygon') + # Generate n_points points on a circle + poly.set('points', ' '.join([f'{r + r*math.sin(t)}, {r + r*math.cos(t)}' + for t in (i/n_points * 2*math.pi for i in range(n_points))])) + + et.write(proc_svg) + proc_svg.flush() + + run_command('python3', 'gerbolyze', 'convert', proc_svg.name, out_dir) + out_dir = Path(out_dir) + + excellon_files = [f.stat().st_size for f in out_dir.glob('*.drl')] + print('Excellon file sizes:', excellon_files) + + gerber_files = {f: f.stat().st_size for f in out_dir.glob('*.gbr')} + print('Gerber file sizes:', gerber_files) + + assert len(excellon_files) == 2 + assert all(20 < x < 100 for x in excellon_files) + + for f, size in gerber_files.items(): + _name, _, layer = f.stem.rpartition('-') + if layer in ('F.Cu', 'B.Cu'): + # These layers should contain a very large G36 polygon + assert 10e6 < size < 100e6 + else: + # These layers should not contain anything + assert 20 < size < 1000 + |