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import pytest
import functools
import tempfile
import re
import shutil
from contextlib import contextmanager
from pathlib import Path
from PIL import Image
import pytest
fail_dir = Path('gerbonara_test_failures')
reference_path = lambda reference: Path(__file__).parent / 'resources' / str(reference)
to_gerbv_svg_units = lambda val, unit='mm': val*72 if unit == 'inch' else val/25.4*72
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 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, end='')
@pytest.fixture
def tmpfile(request):
registered = []
def register_tempfile(name, suffix):
nonlocal registered
f = tempfile.NamedTemporaryFile(suffix=suffix)
registered.append((name, suffix, 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, suffix, 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, _suffix, tmp in registered:
tmp.close()
@pytest.fixture
def reference(request, print_on_error):
ref = request.param
if isinstance(ref, tuple):
ref, args = ref
ref = reference_path(ref)
yield ref, args
else:
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))
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