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authorjaseg <git@jaseg.de>2021-12-30 12:57:53 +0100
committerjaseg <git@jaseg.de>2021-12-30 12:57:53 +0100
commite4941dd5e371e8c9e729a72b8ec30d021bceb0cc (patch)
treeb72b86303ae54624d9f677ab797459a0a2c8ba1b /gerbonara/gerber/tests
parentcf4957aee491d225b78993edacb0c4e21fcc20eb (diff)
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Fix more bugs, refined round-trip tests pass now
Diffstat (limited to 'gerbonara/gerber/tests')
-rw-r--r--gerbonara/gerber/tests/image_support.py22
-rw-r--r--gerbonara/gerber/tests/resources/example_single_contour_1.gbr2
-rw-r--r--gerbonara/gerber/tests/test_rs274x.py23
3 files changed, 26 insertions, 21 deletions
diff --git a/gerbonara/gerber/tests/image_support.py b/gerbonara/gerber/tests/image_support.py
index e1b1c00..8ce0d72 100644
--- a/gerbonara/gerber/tests/image_support.py
+++ b/gerbonara/gerber/tests/image_support.py
@@ -8,8 +8,8 @@ import numpy as np
from PIL import Image
class ImageDifference:
- def __init__(self, value, ref_path, act_path):
- self.value, self.ref_path, self.act_path = value, ref_path, act_path
+ def __init__(self, value):
+ self.value = value
def __float__(self):
return float(self.value)
@@ -47,34 +47,32 @@ def gbr_to_svg(in_gbr, out_svg, origin=(0, 0), size=(10, 10)):
'-o', str(out_svg), str(in_gbr)]
subprocess.run(cmd, check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
-def gerber_difference(reference, actual):
+def gerber_difference(reference, actual, diff_out=None):
with tempfile.NamedTemporaryFile(suffix='.svg') as act_svg,\
tempfile.NamedTemporaryFile(suffix='.svg') as ref_svg:
gbr_to_svg(reference, ref_svg.name)
gbr_to_svg(actual, act_svg.name)
- diff = svg_difference(ref_svg.name, act_svg.name)
- diff.ref_path, diff.act_path = reference, actual
- return diff
+ return svg_difference(ref_svg.name, act_svg.name, diff_out=diff_out)
-def svg_difference(reference, actual):
+def svg_difference(reference, actual, diff_out=None):
with tempfile.NamedTemporaryFile(suffix='.png') as ref_png,\
tempfile.NamedTemporaryFile(suffix='.png') as act_png:
svg_to_png(reference, ref_png.name)
svg_to_png(actual, act_png.name)
- diff = image_difference(ref_png.name, act_png.name)
- diff.ref_path, diff.act_path = reference, actual
- return diff
+ return image_difference(ref_png.name, act_png.name, diff_out=diff_out)
-def image_difference(reference, actual):
+def image_difference(reference, actual, diff_out=None):
ref = np.array(Image.open(reference)).astype(float)
out = np.array(Image.open(actual)).astype(float)
ref, out = ref.mean(axis=2), out.mean(axis=2) # convert to grayscale
delta = np.abs(out - ref).astype(float) / 255
- return ImageDifference(delta.mean(), reference, actual)
+ if diff_out:
+ Image.fromarray((delta*255).astype(np.uint8), mode='L').save(diff_out)
+ return ImageDifference(delta.mean()), ImageDifference(delta.max())
diff --git a/gerbonara/gerber/tests/resources/example_single_contour_1.gbr b/gerbonara/gerber/tests/resources/example_single_contour_1.gbr
index e9f9a75..545f757 100644
--- a/gerbonara/gerber/tests/resources/example_single_contour_1.gbr
+++ b/gerbonara/gerber/tests/resources/example_single_contour_1.gbr
@@ -12,4 +12,4 @@ Y60000D01*
X50000D01*
Y50000Y50000D01*
G37*
-M02* \ No newline at end of file
+M02*
diff --git a/gerbonara/gerber/tests/test_rs274x.py b/gerbonara/gerber/tests/test_rs274x.py
index f359ca9..28ee891 100644
--- a/gerbonara/gerber/tests/test_rs274x.py
+++ b/gerbonara/gerber/tests/test_rs274x.py
@@ -25,10 +25,11 @@ def clear_failure_dir(request):
reference_path = lambda reference: Path(__file__).parent / 'resources' / reference
@pytest.fixture
-def tmp_gbr(request):
- with tempfile.NamedTemporaryFile(suffix='.gbr') as tmp_out_gbr:
+def temp_files(request):
+ with tempfile.NamedTemporaryFile(suffix='.gbr') as tmp_out_gbr,\
+ tempfile.NamedTemporaryFile(suffix='.png') as tmp_out_png:
- yield Path(tmp_out_gbr.name)
+ yield Path(tmp_out_gbr.name), Path(tmp_out_png.name)
if request.node.rep_call.failed:
module, _, test_name = request.node.nodeid.rpartition('::')
@@ -36,9 +37,12 @@ def tmp_gbr(request):
test_name, _, _ext = test_name.partition('.')
test_name = re.sub(r'[^\w\d]', '_', test_name)
fail_dir.mkdir(exist_ok=True)
- perm_path = fail_dir / f'failure_{test_name}.gbr'
- shutil.copy(tmp_out_gbr.name, perm_path)
- print(f'Failing output saved to {perm_path}')
+ perm_path_gbr = fail_dir / f'failure_{test_name}.gbr'
+ perm_path_png = fail_dir / f'failure_{test_name}.png'
+ shutil.copy(tmp_out_gbr.name, perm_path_gbr)
+ shutil.copy(tmp_out_png.name, perm_path_png)
+ print(f'Failing output saved to {perm_path_gbr}')
+ print(f'Difference image saved to {perm_path_png}')
print(f'Reference file is {reference_path(request.node.funcargs["reference"])}')
@pytest.mark.filterwarnings('ignore:Deprecated.*statement found.*:DeprecationWarning')
@@ -88,8 +92,11 @@ top_copper.GTL
top_mask.GTS
top_silk.GTO
'''.splitlines() if l ])
-def test_round_trip(tmp_gbr, reference):
+def test_round_trip(temp_files, reference):
+ tmp_gbr, tmp_png = temp_files
ref = reference_path(reference)
GerberFile.open(ref).save(tmp_gbr)
- assert gerber_difference(ref, tmp_gbr) < 1e-5
+ mean, max = gerber_difference(ref, tmp_gbr, diff_out=tmp_png)
+ assert mean < 1e-6
+ assert max < 0.1