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# coding=utf-8
import os
import tarfile
from guillotine import Guillotine
from inkex.tester import ComparisonMixin, TestCase
class GuillotineTester(ComparisonMixin):
"""Test the Guillotine extension"""
effect_class = Guillotine
def test_all_comparisons(self):
"""Images are extracted to a file directory"""
for args in self.comparisons:
# Create a landing directory for generated images
outdir = os.path.join(self.tempdir, "img")
args += ("--directory={}/".format(outdir),)
# But also set this directory into the compare file
compare_file = os.path.join(self.tempdir, "compare_file.svg")
with open(self.data_file(self.compare_file), "rb") as rhl:
with open(compare_file, "wb") as whl:
whl.write(rhl.read().replace(b"{tempdir}", outdir.encode("utf8")))
self.assertEffect(compare_file, args=args)
self.assertTrue(os.path.isdir(outdir))
infile = self.get_compare_cmpfile(args)
if os.environ.get("EXPORT_COMPARE", False):
self.export_comparison(outdir, infile)
with tarfile.open(infile) as tar_handle:
for item in tar_handle:
fileobj = tar_handle.extractfile(item)
with open(os.path.join(outdir, item.name), "rb") as fhl:
self.assertEqual(
fileobj.read(), fhl.read(), "File '{}'".format(item.name)
)
@staticmethod
def export_comparison(outdir, cmpfile):
"""Export the files as a tar file for manual comparison"""
tarname = cmpfile + ".export"
tar = tarfile.open(tarname, "w|")
# We make a tar archive so we can test it.
for name in sorted(os.listdir(outdir)):
with open(os.path.join(outdir, name), "rb") as fhl:
fhl.seek(0, 2)
info = tarfile.TarInfo(name)
info.size = fhl.tell()
fhl.seek(0)
tar.addfile(info, fhl)
tar.close()
print("Written output: {}.export".format(cmpfile))
class TestGuillotineBasic(GuillotineTester, TestCase):
stderr_protect = False
effect_class = Guillotine
compare_file = "svg/guides.svg"
comparisons = [
("--image=f{}oo",),
("--ignore=true",),
]
class TestGuillotineMillimeter(GuillotineTester, TestCase):
stderr_protect = False
effect_class = Guillotine
compare_file = "svg/guides_millimeter.svg"
comparisons = [
("--image=output",),
]
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