| # 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') |
| |
| |
| @unittest.skipUnless(cET, 'requires _elementtree') |
| 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_bpo_31728(self): |
| # A crash shouldn't happen in case garbage collection triggers a call |
| # to clear() or a reading of text or tail, while a setter or clear() |
| # is already running. |
| elem = cET.Element('elem') |
| class X: |
| def __del__(self): |
| elem.text |
| elem.tail |
| elem.clear() |
| |
| elem.text = X() |
| elem.clear() # shouldn't crash |
| |
| elem.tail = X() |
| elem.clear() # shouldn't crash |
| |
| elem.text = X() |
| elem.text = X() # shouldn't crash |
| elem.clear() |
| |
| elem.tail = X() |
| elem.tail = X() # shouldn't crash |
| elem.clear() |
| |
| |
| def test_main(): |
| from test import test_xml_etree, test_xml_etree_c |
| |
| # Run the tests specific to the C implementation |
| test_support.run_unittest(MiscTests) |
| |
| # Run the same test suite as the Python module |
| test_xml_etree.test_main(module=cET) |
| |
| |
| if __name__ == '__main__': |
| test_main() |