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authorjaseg <git@jaseg.de>2022-01-09 17:44:08 +0100
committerjaseg <git@jaseg.de>2022-01-09 17:44:08 +0100
commitd6f0f0cff4fa56af7754a12c87fb6bc10e212422 (patch)
treeeeaf5f90bea4be42f794432e531ceddbddd93197 /gerbonara/gerber/tests
parent44006784f0b72a3fe7e29c818e45a533a02641a7 (diff)
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Clean up test code
Diffstat (limited to 'gerbonara/gerber/tests')
-rw-r--r--gerbonara/gerber/tests/test_rs274x.py228
1 files changed, 110 insertions, 118 deletions
diff --git a/gerbonara/gerber/tests/test_rs274x.py b/gerbonara/gerber/tests/test_rs274x.py
index de06a16..5d3e355 100644
--- a/gerbonara/gerber/tests/test_rs274x.py
+++ b/gerbonara/gerber/tests/test_rs274x.py
@@ -11,6 +11,7 @@ import shutil
from argparse import Namespace
from itertools import chain
from pathlib import Path
+from contextlib import contextmanager
import pytest
@@ -25,66 +26,61 @@ deg_to_rad = lambda a: a/180 * math.pi
fail_dir = Path('gerbonara_test_failures')
reference_path = lambda reference: Path(__file__).parent / 'resources' / reference
+def path_test_name(request):
+ """ Create a slug suitable for use in file names from the test's nodeid """
+ module, _, test_name = request.node.nodeid.rpartition('::')
+ _test, _, test_name = test_name.partition('_')
+ test_name, _, _ext = test_name.partition('.')
+ return re.sub(r'[^\w\d]', '_', test_name)
+
@pytest.fixture
-def temp_files(request):
- with tempfile.NamedTemporaryFile(suffix='.gbr') as tmp_out_gbr,\
- tempfile.NamedTemporaryFile(suffix='.svg') as tmp_out_svg,\
- tempfile.NamedTemporaryFile(suffix='.png') as tmp_out_png:
-
- yield Path(tmp_out_gbr.name), Path(tmp_out_svg.name), Path(tmp_out_png.name)
-
- if request.node.rep_call.failed:
- module, _, test_name = request.node.nodeid.rpartition('::')
- _test, _, test_name = test_name.partition('_')
- test_name, _, _ext = test_name.partition('.')
- test_name = re.sub(r'[^\w\d]', '_', test_name)
- fail_dir.mkdir(exist_ok=True)
- perm_path_gbr = fail_dir / f'failure_{test_name}.gbr'
- perm_path_svg = fail_dir / f'failure_{test_name}.svg'
- perm_path_png = fail_dir / f'failure_{test_name}.png'
- shutil.copy(tmp_out_gbr.name, perm_path_gbr)
- if Path(tmp_out_svg.name).is_file():
- shutil.copy(tmp_out_svg.name, perm_path_svg)
- shutil.copy(tmp_out_png.name, perm_path_png)
- print(f'Failing output saved to {perm_path_gbr}')
- args = request.node.funcargs
- if 'reference' in args:
- print(f'Reference file is {reference_path(args["reference"])}')
- else:
- print(f'Reference file A is {reference_path(args["file_a"])}')
- print(f'Reference file B is {reference_path(args["file_b"])}')
- print(f'Difference image saved to {perm_path_png}')
- if Path(tmp_out_svg.name).is_file():
- print(f'Sum SVG saved to {perm_path_svg}')
- print(f'gerbv command line:')
- if 'reference' in args:
- print(f'gerbv {perm_path_gbr} {reference_path(request.node.funcargs["reference"])}')
- else:
- print(f'gerbv {perm_path_gbr} {reference_path(args["file_a"])} {reference_path(args["file_b"])}')
+def print_on_error(request):
+ messages = []
+
+ def register_print(*args, sep=' ', end='\n'):
+ nonlocal messages
+ messages.append(sep.join(str(arg) for arg in args) + end)
+
+ yield register_print
+
+ if request.node.rep_call.failed:
+ for msg in messages:
+ print(msg)
+
+@pytest.fixture
+def tmpfile(request):
+ registered = []
+
+ def register_tempfile(name, suffix):
+ nonlocal registered
+ f = tempfile.NamedTemporaryFile(suffix=suffix)
+ registered.append((name, f))
+ return Path(f.name)
+
+ yield register_tempfile
+
+ if request.node.rep_call.failed:
+ fail_dir.mkdir(exist_ok=True)
+ test_name = path_test_name(request)
+ for name, tmp in registered:
+ slug = re.sub(r'[^\w\d]+', '_', name.lower())
+ perm_path = fail_dir / f'failure_{test_name}_{slug}{suffix}'
+ shutil.copy(tmp.name, perm_path)
+ print(f'{name} saved to {perm_path}')
+
+ for _name, tmp in registered:
+ tmp.close()
@pytest.fixture
-def svg_temp_files(request):
- with tempfile.NamedTemporaryFile(suffix='.svg') as out_svg,\
- tempfile.NamedTemporaryFile(suffix='.png') as out_png,\
- tempfile.NamedTemporaryFile(suffix='.png') as ref_png,\
- tempfile.NamedTemporaryFile(suffix='.png') as tmp_png:
- yield Path(out_svg.name), Path(out_png.name), Path(ref_png.name), Path(tmp_png.name)
-
- if request.node.rep_call.failed:
- module, _, test_name = request.node.nodeid.rpartition('::')
- _test, _, test_name = test_name.partition('_')
- test_name, _, _ext = test_name.partition('.')
- test_name = re.sub(r'[^\w\d]', '_', test_name)
- fail_dir.mkdir(exist_ok=True)
- perm_path_out_svg = fail_dir / f'failure_{test_name}_actual.svg'
- perm_path_png = fail_dir / f'failure_{test_name}_difference.png'
- shutil.copy(out_svg.name, perm_path_out_svg)
- shutil.copy(tmp_png.name, perm_path_png)
- args = request.node.funcargs
- print(f'Reference file is {reference_path(args["reference"])}')
- print(f'Failing output saved to {perm_path_out_svg}')
- print(f'Difference image saved to {perm_path_png}')
+def reference(request, print_on_error):
+ ref = reference_path(request.param)
+ yield ref
+ print_on_error(f'Reference file: {ref}')
+def filter_syntax_warnings(fun):
+ a = pytest.mark.filterwarnings('ignore:Deprecated.*statement found.*:DeprecationWarning')
+ b = pytest.mark.filterwarnings('ignore::SyntaxWarning')
+ return a(b(fun))
to_gerbv_svg_units = lambda val, unit='mm': val*72 if unit == 'inch' else val/25.4*72
@@ -148,16 +144,14 @@ MIN_REFERENCE_FILES = [
]
-@pytest.mark.filterwarnings('ignore:Deprecated.*statement found.*:DeprecationWarning')
-@pytest.mark.filterwarnings('ignore::SyntaxWarning')
-@pytest.mark.parametrize('reference', REFERENCE_FILES)
-def test_round_trip(temp_files, reference):
- tmp_gbr, _tmp_svg, tmp_png = temp_files
- ref = reference_path(reference)
+@filter_syntax_warnings
+@pytest.mark.parametrize('reference', REFERENCE_FILES, indirect=True)
+def test_round_trip(reference, tmpfile):
+ tmp_gbr = tmpfile('Output gerber', '.gbr')
- GerberFile.open(ref).save(tmp_gbr)
+ GerberFile.open(reference).save(tmp_gbr)
- mean, _max, hist = gerber_difference(ref, tmp_gbr, diff_out=tmp_png)
+ mean, _max, hist = gerber_difference(reference, tmp_gbr, diff_out=tmpfile('Difference', '.png'))
assert mean < 5e-5
assert hist[9] == 0
assert hist[3:].sum() < 5e-5*hist.size
@@ -165,85 +159,81 @@ def test_round_trip(temp_files, reference):
TEST_ANGLES = [90, 180, 270, 30, 1.5, 10, 360, 1024, -30, -90]
TEST_OFFSETS = [(0, 0), (100, 0), (0, 100), (2, 0), (10, 100)]
-@pytest.mark.filterwarnings('ignore:Deprecated.*statement found.*:DeprecationWarning')
-@pytest.mark.filterwarnings('ignore::SyntaxWarning')
-@pytest.mark.parametrize('reference', MIN_REFERENCE_FILES)
+@filter_syntax_warnings
+@pytest.mark.parametrize('reference', MIN_REFERENCE_FILES, indirect=True)
@pytest.mark.parametrize('angle', TEST_ANGLES)
-def test_rotation(temp_files, reference, angle):
- if 'flash_rectangle' in reference and angle == 1024:
+def test_rotation(reference, angle, tmpfile):
+ if 'flash_rectangle' in str(reference) and angle == 1024:
# gerbv's rendering of this is broken, the hole is missing.
- return
+ pytest.skip()
- tmp_gbr, _tmp_svg, tmp_png = temp_files
- ref = reference_path(reference)
+ tmp_gbr = tmpfile('Output gerber', '.gbr')
- f = GerberFile.open(ref)
+ f = GerberFile.open(reference)
f.rotate(deg_to_rad(angle))
f.save(tmp_gbr)
cx, cy = 0, to_gerbv_svg_units(10, unit='inch')
- mean, _max, hist = gerber_difference(ref, tmp_gbr, diff_out=tmp_png, svg_transform=f'rotate({angle} {cx} {cy})')
+ mean, _max, hist = gerber_difference(reference, tmp_gbr, diff_out=tmpfile('Difference', '.png'),
+ svg_transform=f'rotate({angle} {cx} {cy})')
assert mean < 1e-3 # relax mean criterion compared to above.
assert hist[9] == 0
-@pytest.mark.filterwarnings('ignore:Deprecated.*statement found.*:DeprecationWarning')
-@pytest.mark.filterwarnings('ignore::SyntaxWarning')
-@pytest.mark.parametrize('reference', MIN_REFERENCE_FILES)
+@filter_syntax_warnings
+@pytest.mark.parametrize('reference', MIN_REFERENCE_FILES, indirect=True)
@pytest.mark.parametrize('angle', TEST_ANGLES)
@pytest.mark.parametrize('center', [(0, 0), (-10, -10), (10, 10), (10, 0), (0, -10), (-10, 10), (10, 20)])
-def test_rotation_center(temp_files, reference, angle, center):
- if 'flash_rectangle' in reference and angle in (30, 1024):
+def test_rotation_center(reference, angle, center, tmpfile):
+ if 'flash_rectangle' in str(reference) and angle in (30, 1024):
# gerbv's rendering of this is broken, the hole is missing.
- return
- tmp_gbr, _tmp_svg, tmp_png = temp_files
- ref = reference_path(reference)
+ pytest.skip()
+
+ tmp_gbr = tmpfile('Output gerber', '.gbr')
- f = GerberFile.open(ref)
+ f = GerberFile.open(reference)
f.rotate(deg_to_rad(angle), center=center)
f.save(tmp_gbr)
# calculate circle center in SVG coordinates
size = (10, 10) # inches
cx, cy = to_gerbv_svg_units(center[0]), to_gerbv_svg_units(size[1], 'inch')-to_gerbv_svg_units(center[1], 'mm')
- mean, _max, hist = gerber_difference(ref, tmp_gbr, diff_out=tmp_png,
+ mean, _max, hist = gerber_difference(reference, tmp_gbr, diff_out=tmpfile('Difference', '.png'),
svg_transform=f'rotate({angle} {cx} {cy})',
size=size)
assert mean < 1e-3
assert hist[9] < 50
assert hist[3:].sum() < 1e-3*hist.size
-@pytest.mark.filterwarnings('ignore:Deprecated.*statement found.*:DeprecationWarning')
-@pytest.mark.filterwarnings('ignore::SyntaxWarning')
-@pytest.mark.parametrize('reference', MIN_REFERENCE_FILES)
+@filter_syntax_warnings
+@pytest.mark.parametrize('reference', MIN_REFERENCE_FILES, indirect=True)
@pytest.mark.parametrize('offset', TEST_OFFSETS)
-def test_offset(temp_files, reference, offset):
- tmp_gbr, _tmp_svg, tmp_png = temp_files
- ref = reference_path(reference)
+def test_offset(reference, offset, tmpfile):
+ tmp_gbr = tmpfile('Output gerber', '.gbr')
- f = GerberFile.open(ref)
+ f = GerberFile.open(reference)
f.offset(*offset)
f.save(tmp_gbr, settings=FileSettings(unit=f.unit, number_format=(4,7)))
# flip y offset since svg's y axis is flipped compared to that of gerber
dx, dy = to_gerbv_svg_units(offset[0]), -to_gerbv_svg_units(offset[1])
- mean, _max, hist = gerber_difference(ref, tmp_gbr, diff_out=tmp_png, svg_transform=f'translate({dx} {dy})')
+ mean, _max, hist = gerber_difference(reference, tmp_gbr, diff_out=tmpfile('Difference', '.png'),
+ svg_transform=f'translate({dx} {dy})')
assert mean < 1e-4
assert hist[9] == 0
-@pytest.mark.filterwarnings('ignore:Deprecated.*statement found.*:DeprecationWarning')
-@pytest.mark.filterwarnings('ignore::SyntaxWarning')
-@pytest.mark.parametrize('reference', MIN_REFERENCE_FILES)
+@filter_syntax_warnings
+@pytest.mark.parametrize('reference', MIN_REFERENCE_FILES, indirect=True)
@pytest.mark.parametrize('angle', TEST_ANGLES)
@pytest.mark.parametrize('center', [(0, 0), (10, 0), (0, -10), (10, 20)])
@pytest.mark.parametrize('offset', [(0, 0), (100, 0), (0, 100), (100, 100), (100, 10)])
-def test_combined(temp_files, reference, angle, center, offset):
- if 'flash_rectangle' in reference and angle in (30, 1024):
+def test_combined(reference, angle, center, offset, tmpfile):
+ if 'flash_rectangle' in str(reference) and angle in (30, 1024):
# gerbv's rendering of this is broken, the hole is missing.
- return
- tmp_gbr, _tmp_svg, tmp_png = temp_files
- ref = reference_path(reference)
+ pytest.skip()
- f = GerberFile.open(ref)
+ tmp_gbr = tmpfile('Output gerber', '.gbr')
+
+ f = GerberFile.open(reference)
f.rotate(deg_to_rad(angle), center=center)
f.offset(*offset)
f.save(tmp_gbr, settings=FileSettings(unit=f.unit, number_format=(4,7)))
@@ -251,15 +241,14 @@ def test_combined(temp_files, reference, angle, center, offset):
size = (10, 10) # inches
cx, cy = to_gerbv_svg_units(center[0]), to_gerbv_svg_units(size[1], 'inch')-to_gerbv_svg_units(center[1], 'mm')
dx, dy = to_gerbv_svg_units(offset[0]), -to_gerbv_svg_units(offset[1])
- mean, _max, hist = gerber_difference(ref, tmp_gbr, diff_out=tmp_png,
+ mean, _max, hist = gerber_difference(reference, tmp_gbr, diff_out=tmpfile('Difference', '.png'),
svg_transform=f'translate({dx} {dy}) rotate({angle} {cx} {cy})',
size=size)
assert mean < 1e-3
assert hist[9] < 100
assert hist[3:].sum() < 1e-3*hist.size
-@pytest.mark.filterwarnings('ignore:Deprecated.*statement found.*:DeprecationWarning')
-@pytest.mark.filterwarnings('ignore::SyntaxWarning')
+@filter_syntax_warnings
@pytest.mark.parametrize('file_a', MIN_REFERENCE_FILES)
@pytest.mark.parametrize('file_b', [
'example_two_square_boxes.gbr',
@@ -269,7 +258,7 @@ def test_combined(temp_files, reference, angle, center, offset):
'eagle_files/copper_bottom_l4.gbr', ])
@pytest.mark.parametrize('angle', [0, 10, 90])
@pytest.mark.parametrize('offset', [(0, 0, 0, 0), (100, 0, 0, 0), (0, 0, 0, 100), (100, 0, 0, 100)])
-def test_compositing(temp_files, file_a, file_b, angle, offset):
+def test_compositing(file_a, file_b, angle, offset, tmpfile, print_on_error):
# TODO bottom_silk.GBO renders incorrectly with gerbv: the outline does not exist in svg. In GUI, the logo only
# renders at very high magnification. Skip, and once we have our own SVG export maybe use that instead. Or just use
@@ -277,11 +266,12 @@ def test_compositing(temp_files, file_a, file_b, angle, offset):
# TODO check if this and the issue with aperture holes not rendering in test_combined actually are bugs in gerbv
# and fix/report upstream.
if file_a == 'bottom_silk.GBO' or file_b == 'bottom_silk.GBO':
- return
+ pytest.skip()
- tmp_gbr, tmp_svg, tmp_png = temp_files
ref_a = reference_path(file_a)
+ print_on_error('Reference file a:', ref_a)
ref_b = reference_path(file_b)
+ print_on_error('Reference file b:', ref_b)
ax, ay, bx, by = offset
grb_a = GerberFile.open(ref_a)
@@ -292,6 +282,7 @@ def test_compositing(temp_files, file_a, file_b, angle, offset):
grb_b.offset(bx, by)
grb_a.merge(grb_b)
+ tmp_gbr = tmpfile('Output gerber', '.gbr')
grb_a.save(tmp_gbr, settings=FileSettings(unit=grb_a.unit, number_format=(4,7)))
size = (10, 10) # inches
@@ -300,7 +291,8 @@ def test_compositing(temp_files, file_a, file_b, angle, offset):
# note that we have to specify cx, cy even if we rotate around the origin since gerber's origin lies at (x=0
# y=+document size) in SVG's coordinate space because svg's y axis is flipped compared to gerber's.
cx, cy = 0, to_gerbv_svg_units(size[1], 'inch')
- mean, _max, hist = gerber_difference_merge(ref_a, ref_b, tmp_gbr, composite_out=tmp_svg, diff_out=tmp_png,
+ mean, _max, hist = gerber_difference_merge(ref_a, ref_b, tmp_gbr,
+ composite_out=tmpfile('Composite', '.svg'), diff_out=tmpfile('Difference', '.png'),
svg_transform1=f'translate({ax} {ay}) rotate({angle} {cx} {cy})',
svg_transform2=f'translate({bx} {by})',
size=size)
@@ -308,26 +300,26 @@ def test_compositing(temp_files, file_a, file_b, angle, offset):
assert hist[9] < 100
assert hist[3:].sum() < 1e-3*hist.size
-@pytest.mark.filterwarnings('ignore:Deprecated.*statement found.*:DeprecationWarning')
-@pytest.mark.filterwarnings('ignore::SyntaxWarning')
-@pytest.mark.parametrize('reference', REFERENCE_FILES)
-def test_svg_export(svg_temp_files, reference):
- ref = reference_path(reference)
- grb = GerberFile.open(ref)
- out_svg, out_png, ref_png, tmp_png = svg_temp_files
+@filter_syntax_warnings
+@pytest.mark.parametrize('reference', REFERENCE_FILES, indirect=True)
+def test_svg_export(reference, tmpfile):
+
+ grb = GerberFile.open(reference)
bounds = (0.0, 0.0), (6.0, 6.0) # bottom left, top right
+ out_svg = tmpfile('Output', '.svg')
with open(out_svg, 'w') as f:
f.write(str(grb.to_svg(force_bounds=bounds, arg_unit='inch')))
- gerbv_export(ref, ref_png, origin=bounds[0], size=bounds[1], format='png', fg='#000000')
+ ref_png = tmpfile('Reference render', '.png')
+ gerbv_export(reference, ref_png, origin=bounds[0], size=bounds[1], format='png', fg='#000000')
+ out_png = tmpfile('Output render', '.png')
svg_to_png(out_svg, out_png, dpi=72) # make dpi match Cairo's default
- mean, _max, hist = image_difference(ref_png, out_png, diff_out=tmp_png)
+ mean, _max, hist = image_difference(ref_png, out_png, diff_out=tmpfile('Difference', '.png'))
assert mean < 1e-3
assert hist[9] < 1
assert hist[3:].sum() < 1e-3*hist.size
# FIXME test svg margin, bounding box computation
-