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Update test_xml_etree.py to 3.14.5 #7855

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Merged
youknowone merged 1 commit into from
May 12, 2026
+24 −0
Merged

Update test_xml_etree.py to 3.14.5 #7855

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24 changes: 24 additions & 0 deletions Lib/test/test_xml_etree.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3145,6 +3145,20 @@ def __deepcopy__(self, memo):
self.assertEqual([c.tag for c in children[3:]],
[a.tag, b.tag, a.tag, b.tag])

@unittest.skip("TODO: RUSTPYTHON; stack overflow")
@support.skip_if_unlimited_stack_size
@support.skip_emscripten_stack_overflow()
@support.skip_wasi_stack_overflow()
def test_deeply_nested_deepcopy(self):
# This should raise a RecursionError and not crash.
# See https://github.com/python/cpython/issues/148801.
root = cur = ET.Element('s')
for _ in range(500_000):
cur = ET.SubElement(cur, 'u')
with support.infinite_recursion():
with self.assertRaises(RecursionError):
copy.deepcopy(root)


class MutationDeleteElementPath(str):
def __new__(cls, elem, *args):
Expand Down Expand Up @@ -3213,6 +3227,16 @@ def test_findtext_with_mutating(self):
e.extend([ET.Element('bar')])
e.findtext(cls(e, 'x'))

def test_findtext_with_mutating_non_none_text(self):
for cls in [MutationDeleteElementPath, MutationClearElementPath]:
with self.subTest(cls):
e = ET.Element('foo')
child = ET.Element('bar')
child.text = str(object())
e.append(child)
del child
repr(e.findtext(cls(e, 'x')))

def test_findtext_with_error(self):
e = ET.Element('foo')
e.extend([ET.Element('bar')])
Expand Down
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