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- import pytest
- from unittest.mock import patch
- from bs4.builder import DetectsXMLParsedAsHTML
- class TestDetectsXMLParsedAsHTML(object):
- @pytest.mark.parametrize(
- "markup,looks_like_xml",
- [("No xml declaration", False),
- ("<html>obviously HTML</html", False),
- ("<?xml ><html>Actually XHTML</html>", False),
- ("<?xml> < html>Tricky XHTML</html>", False),
- ("<?xml ><no-html-tag>", True),
- ]
- )
- def test_warn_if_markup_looks_like_xml(self, markup, looks_like_xml):
- # Test of our ability to guess at whether markup looks XML-ish
- # _and_ not HTML-ish.
- with patch('bs4.builder.DetectsXMLParsedAsHTML._warn') as mock:
- for data in markup, markup.encode('utf8'):
- result = DetectsXMLParsedAsHTML.warn_if_markup_looks_like_xml(
- data
- )
- assert result == looks_like_xml
- if looks_like_xml:
- assert mock.called
- else:
- assert not mock.called
- mock.reset_mock()
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