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Issue #25047: Respect case writing XML encoding declarations

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This restores the ability to write encoding names in uppercase like "UTF-8",
which worked in Python 2.
This commit is contained in:
Martin Panter 2015-09-23 01:14:35 +00:00
parent f94471c140
commit 89f76d3f91
3 changed files with 22 additions and 12 deletions
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21
Lib/test/test_xml_etree.py
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@ -2396,14 +2396,21 @@ class IOTest(unittest.TestCase):
elem = ET.Element("tag")
elem.text = "abc"
self.assertEqual(serialize(elem), '<tag>abc</tag>')
self.assertEqual(serialize(elem, encoding="utf-8"),
b'<tag>abc</tag>')
self.assertEqual(serialize(elem, encoding="us-ascii"),
b'<tag>abc</tag>')
for enc in ("utf-8", "us-ascii"):
with self.subTest(enc):
self.assertEqual(serialize(elem, encoding=enc),
b'<tag>abc</tag>')
self.assertEqual(serialize(elem, encoding=enc.upper()),
b'<tag>abc</tag>')
for enc in ("iso-8859-1", "utf-16", "utf-32"):
self.assertEqual(serialize(elem, encoding=enc),
("<?xml version='1.0' encoding='%s'?>\n"
"<tag>abc</tag>" % enc).encode(enc))
with self.subTest(enc):
self.assertEqual(serialize(elem, encoding=enc),
("<?xml version='1.0' encoding='%s'?>\n"
"<tag>abc</tag>" % enc).encode(enc))
upper = enc.upper()
self.assertEqual(serialize(elem, encoding=upper),
("<?xml version='1.0' encoding='%s'?>\n"
"<tag>abc</tag>" % upper).encode(enc))
elem = ET.Element("tag")
elem.text = "<&\"\'>"