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authorjaseg <git@jaseg.de>2024-07-05 19:20:29 +0200
committerjaseg <git@jaseg.de>2024-07-05 19:20:29 +0200
commitaf79ff24df864d084b8c08a295bcedfa7221c5d5 (patch)
tree7154cfc6a4265efbadecf49ddb0bdf9a64f2173c
parentd7df97e8f611b7c35b8a072c585b7d8d19aa5a77 (diff)
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Add regression test for large attr issue (#46)
The test processes an SVG file of ~36MB with about 500k points per layer, so it's a bit slow.
-rw-r--r--gerbolyze/tests/test_regression.py75
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
+