138 lines
4.3 KiB
Python
138 lines
4.3 KiB
Python
# xml.etree test for cElementTree
|
|
import struct
|
|
from test import support
|
|
from test.support import import_fresh_module
|
|
import types
|
|
import unittest
|
|
|
|
cET = import_fresh_module('xml.etree.ElementTree',
|
|
fresh=['_elementtree'])
|
|
cET_alias = import_fresh_module('xml.etree.cElementTree',
|
|
fresh=['_elementtree', 'xml.etree'],
|
|
deprecated=True)
|
|
|
|
|
|
@unittest.skipUnless(cET, 'requires _elementtree')
|
|
class MiscTests(unittest.TestCase):
|
|
# Issue #8651.
|
|
@support.bigmemtest(size=support._2G + 100, memuse=1, dry_run=False)
|
|
def test_length_overflow(self, size):
|
|
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_trashcan(self):
|
|
# If this test fails, it will most likely die via segfault.
|
|
e = root = cET.Element('root')
|
|
for i in range(200000):
|
|
e = cET.SubElement(e, 'x')
|
|
del e
|
|
del root
|
|
support.gc_collect()
|
|
|
|
|
|
@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')
|
|
@support.cpython_only
|
|
class TestAcceleratorImported(unittest.TestCase):
|
|
# Test that the C accelerator was imported, as expected
|
|
def test_correct_import_cET(self):
|
|
# SubElement is a function so it retains _elementtree as its module.
|
|
self.assertEqual(cET.SubElement.__module__, '_elementtree')
|
|
|
|
def test_correct_import_cET_alias(self):
|
|
self.assertEqual(cET_alias.SubElement.__module__, '_elementtree')
|
|
|
|
def test_parser_comes_from_C(self):
|
|
# The type of methods defined in Python code is types.FunctionType,
|
|
# while the type of methods defined inside _elementtree is
|
|
# <class 'wrapper_descriptor'>
|
|
self.assertNotIsInstance(cET.Element.__init__, types.FunctionType)
|
|
|
|
|
|
@unittest.skipUnless(cET, 'requires _elementtree')
|
|
@support.cpython_only
|
|
class SizeofTest(unittest.TestCase):
|
|
def setUp(self):
|
|
self.elementsize = support.calcobjsize('5P')
|
|
# extra
|
|
self.extra = struct.calcsize('PnnP4P')
|
|
|
|
check_sizeof = support.check_sizeof
|
|
|
|
def test_element(self):
|
|
e = cET.Element('a')
|
|
self.check_sizeof(e, self.elementsize)
|
|
|
|
def test_element_with_attrib(self):
|
|
e = cET.Element('a', href='about:')
|
|
self.check_sizeof(e, self.elementsize + self.extra)
|
|
|
|
def test_element_with_children(self):
|
|
e = cET.Element('a')
|
|
for i in range(5):
|
|
cET.SubElement(e, 'span')
|
|
# should have space for 8 children now
|
|
self.check_sizeof(e, self.elementsize + self.extra +
|
|
struct.calcsize('8P'))
|
|
|
|
def test_main():
|
|
from test import test_xml_etree
|
|
|
|
# Run the tests specific to the C implementation
|
|
support.run_unittest(
|
|
MiscTests,
|
|
TestAliasWorking,
|
|
TestAcceleratorImported,
|
|
SizeofTest,
|
|
)
|
|
|
|
# Run the same test suite as the Python module
|
|
test_xml_etree.test_main(module=cET)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|