cpython/Lib/test/test_xml_etree_c.py

83 lines
2.3 KiB
Python

# xml.etree test for cElementTree
from test import support
from test.support import import_fresh_module
import unittest
cET = import_fresh_module('xml.etree.ElementTree', fresh=['_elementtree'])
cET_alias = import_fresh_module('xml.etree.cElementTree', fresh=['_elementtree', 'xml.etree'])
# cElementTree specific tests
def sanity():
r"""
Import sanity.
Issue #6697.
>>> cElementTree = cET
>>> e = cElementTree.Element('a')
>>> getattr(e, '\uD800') # doctest: +ELLIPSIS
Traceback (most recent call last):
...
UnicodeEncodeError: ...
>>> p = cElementTree.XMLParser()
>>> p.version.split()[0]
'Expat'
>>> getattr(p, '\uD800')
Traceback (most recent call last):
...
AttributeError: 'XMLParser' object has no attribute '\ud800'
"""
class MiscTests(unittest.TestCase):
# Issue #8651.
@support.bigmemtest(size=support._2G + 100, memuse=1)
def test_length_overflow(self, size):
if size < support._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
@unittest.skipUnless(cET, 'requires _elementtree')
class TestAliasWorking(unittest.TestCase):
# Test that the cET alias module is alive
def test_alias_working(self):
e = cET_alias.Element('foo')
self.assertEqual(e.tag, 'foo')
@unittest.skipUnless(cET, 'requires _elementtree')
class TestAcceleratorImported(unittest.TestCase):
# Test that the C accelerator was imported, as expected
def test_correct_import_cET(self):
self.assertEqual(cET.SubElement.__module__, '_elementtree')
def test_correct_import_cET_alias(self):
self.assertEqual(cET_alias.SubElement.__module__, '_elementtree')
def test_main():
from test import test_xml_etree, test_xml_etree_c
# Run the tests specific to the C implementation
support.run_doctest(test_xml_etree_c, verbosity=True)
support.run_unittest(
MiscTests,
TestAliasWorking,
TestAcceleratorImported
)
# Run the same test suite as the Python module
test_xml_etree.test_main(module=cET)
if __name__ == '__main__':
test_main()