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# xml.etree test for cElementTree
from test import test_support
from test.test_support import precisionbigmemtest, _2G
import unittest
cET = test_support.import_module('xml.etree.cElementTree')
# cElementTree specific tests
def sanity():
"""
Import sanity.
>>> from xml.etree import cElementTree
"""
class MiscTests(unittest.TestCase):
# Issue #8651.
@precisionbigmemtest(size=_2G + 100, memuse=1)
def test_length_overflow(self, size):
if size < _2G + 100:
self.skipTest("not enough free memory, need at least 2 GB")
data = b'x' * size
parser = cET.XMLParser()
try:
self.assertRaises(OverflowError, parser.feed, data)
finally:
data = None
def test_del_attribute(self):
element = cET.Element('tag')
element.tag = 'TAG'
with self.assertRaises(AttributeError):
del element.tag
self.assertEqual(element.tag, 'TAG')
with self.assertRaises(AttributeError):
del element.text
self.assertIsNone(element.text)
element.text = 'TEXT'
with self.assertRaises(AttributeError):
del element.text
self.assertEqual(element.text, 'TEXT')
with self.assertRaises(AttributeError):
del element.tail
self.assertIsNone(element.tail)
element.tail = 'TAIL'
with self.assertRaises(AttributeError):
del element.tail
self.assertEqual(element.tail, 'TAIL')
with self.assertRaises(AttributeError):
del element.attrib
self.assertEqual(element.attrib, {})
element.attrib = {'A': 'B', 'C': 'D'}
with self.assertRaises(AttributeError):
del element.attrib
self.assertEqual(element.attrib, {'A': 'B', 'C': 'D'})
def test_main():
from test import test_xml_etree, test_xml_etree_c
# Run the tests specific to the C implementation
test_support.run_doctest(test_xml_etree_c, verbosity=True)
# Assign the C implementation before running the doctests
# Patch the __name__, to prevent confusion with the pure Python test
pyET = test_xml_etree.ET
py__name__ = test_xml_etree.__name__
test_xml_etree.ET = cET
if __name__ != '__main__':
test_xml_etree.__name__ = __name__
try:
# Run the same test suite as xml.etree.ElementTree
test_xml_etree.test_main(module_name='xml.etree.cElementTree')
finally:
test_xml_etree.ET = pyET
test_xml_etree.__name__ = py__name__
if __name__ == '__main__':
test_main()
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