Add a test for https://bugs.launchpad.net/lxml/+bug/1965070 leaving o…

…ut the actual failure case.
lxml · May 30, 2022 · d3f77e6 · d3f77e6
1 parent 7f7f226
commit d3f77e6
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/src/lxml/tests/test_htmlparser.py b/src/lxml/tests/test_htmlparser.py
@@ -653,6 +653,31 @@ def test_boolean_attribute_xml_adds_empty_string(self):
  self.assertEqual(self.etree.tostring(html.fragment_fromstring(fragment)),
  _bytes('<tag attribute=""/>'))
 
+ def test_xhtml_as_html_as_xml(self):
+ # parse XHTML as HTML, serialise as XML
+ # See https://bugs.launchpad.net/lxml/+bug/1965070
+ xhtml = (
+ b'<?xml version="1.0" encoding="UTF-8"?>'
+ b'<html xmlns="http:https://www.w3.org/1999/xhtml"></html>'
+ )
+ root = html.fromstring(xhtml)
+ print(root.attrib)
+ result = etree.tostring(root)
+ self.assertEqual(result, b'<html xmlns="http:https://www.w3.org/1999/xhtml"/>')
+
+ # Adding an XHTML doctype makes libxml2 add the namespace, which wasn't parsed as such by the HTML parser.
+ """
+ xhtml = (
+ b'<?xml version="1.0" encoding="UTF-8"?>'
+ b'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http:https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
+ b'<html xmlns="http:https://www.w3.org/1999/xhtml"></html>'
+ )
+ root = html.fromstring(xhtml)
+ print(root.attrib)
+ result = etree.tostring(root)
+ self.assertEqual(result, b'<html xmlns="http:https://www.w3.org/1999/xhtml"/>')
+ """
+
 
 def test_suite():
  suite = unittest.TestSuite()