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import os
def make_case_function(left_filename):
right_filename = left_filename.replace(".left.", ".right.")
expected_filename = left_filename.replace(".left.", ".expected.")
def test(self):
with open(expected_filename, encoding="utf8") as input_file:
expected_xml = input_file.read()
try:
result_xml = self.process(left_filename, right_filename)
except Exception as err:
if ".err" not in left_filename:
raise
result_xml = f"{err.__class__.__name__}: {err}"
self.assertEqual(expected_xml.strip(), result_xml.strip())
return test
def generate_filebased_cases(data_dir, test_class, suffix="xml", ignore=()):
for left_filename in os.listdir(data_dir):
if not left_filename.endswith(".left." + suffix):
continue
if left_filename in ignore:
continue
left_filename = os.path.join(data_dir, left_filename)
test_function = make_case_function(left_filename)
function_name = os.path.split(left_filename)[-1].replace(".", "-")
test_name = "test_" + function_name
setattr(test_class, test_name, test_function)
def compare_elements(left, right):
path = left.getroottree().getpath(left)
assert left.text == right.text, "Texts differ: %s" % path
assert left.tail == right.tail, "Tails differ: %s" % path
assert left.attrib == right.attrib, "Attributes differ: %s" % path
# We intentionally do NOT compare namespaces, they are allowed to differ
assert len(left) == len(right), "Children differ: %s" % path
for litem, ritem in zip(left.getchildren(), right.getchildren()):
compare_elements(litem, ritem)
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