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| 1 | +# Copyright (c) 2026, 2026, Oracle and/or its affiliates. All rights reserved. |
| 2 | +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 3 | +# |
| 4 | +# The Universal Permissive License (UPL), Version 1.0 |
| 5 | +# |
| 6 | +# Subject to the condition set forth below, permission is hereby granted to any |
| 7 | +# person obtaining a copy of this software, associated documentation and/or |
| 8 | +# data (collectively the "Software"), free of charge and under any and all |
| 9 | +# copyright rights in the Software, and any and all patent rights owned or |
| 10 | +# freely licensable by each licensor hereunder covering either (i) the |
| 11 | +# unmodified Software as contributed to or provided by such licensor, or (ii) |
| 12 | +# the Larger Works (as defined below), to deal in both |
| 13 | +# |
| 14 | +# (a) the Software, and |
| 15 | +# |
| 16 | +# (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if |
| 17 | +# one is included with the Software each a "Larger Work" to which the Software |
| 18 | +# is contributed by such licensors), |
| 19 | +# |
| 20 | +# without restriction, including without limitation the rights to copy, create |
| 21 | +# derivative works of, display, perform, and distribute the Software and make, |
| 22 | +# use, sell, offer for sale, import, export, have made, and have sold the |
| 23 | +# Software and the Larger Work(s), and to sublicense the foregoing rights on |
| 24 | +# either these or other terms. |
| 25 | +# |
| 26 | +# This license is subject to the following condition: |
| 27 | +# |
| 28 | +# The above copyright notice and either this complete permission notice or at a |
| 29 | +# minimum a reference to the UPL must be included in all copies or substantial |
| 30 | +# portions of the Software. |
| 31 | +# |
| 32 | +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 33 | +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 34 | +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 35 | +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 36 | +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 37 | +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 38 | +# SOFTWARE. |
| 39 | + |
| 40 | +import unittest |
| 41 | +from xml.parsers import expat |
| 42 | + |
| 43 | + |
| 44 | +class PyExpatXmlTest(unittest.TestCase): |
| 45 | + |
| 46 | + def test_xml_decl_handler_not_called_without_xml_declaration(self): |
| 47 | + parser = expat.ParserCreate() |
| 48 | + xml_decl_calls = [] |
| 49 | + |
| 50 | + parser.XmlDeclHandler = lambda *args: xml_decl_calls.append(args) |
| 51 | + parser.Parse(b"<doc/>", True) |
| 52 | + |
| 53 | + self.assertEqual([], xml_decl_calls) |
| 54 | + |
| 55 | + def test_parser_create_encoding_is_used_for_byte_input(self): |
| 56 | + parser = expat.ParserCreate(encoding="iso-8859-1") |
| 57 | + character_data = [] |
| 58 | + |
| 59 | + parser.CharacterDataHandler = character_data.append |
| 60 | + parser.Parse(b"<doc>\xe9</doc>", True) |
| 61 | + |
| 62 | + self.assertEqual(["\xe9"], character_data) |
| 63 | + |
| 64 | + def test_external_doctype_reports_no_internal_subset(self): |
| 65 | + parser = expat.ParserCreate() |
| 66 | + doctype_calls = [] |
| 67 | + |
| 68 | + parser.StartDoctypeDeclHandler = lambda *args: doctype_calls.append(args) |
| 69 | + parser.ExternalEntityRefHandler = lambda *args: 1 |
| 70 | + parser.Parse(b'<!DOCTYPE doc SYSTEM "x.dtd"><doc/>', True) |
| 71 | + |
| 72 | + self.assertEqual([("doc", "x.dtd", None, 0)], doctype_calls) |
| 73 | + |
| 74 | + |
| 75 | +if __name__ == '__main__': |
| 76 | + unittest.main() |
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