def test_boolean_attribute(self):
# ability to serialize boolean attribute by setting value to None
form = html.Element('form')
form.set('novalidate', None)
self.assertEqual(html.tostring(form),
_bytes('<form novalidate></form>'))
form.set('custom')
self.assertEqual(html.tostring(form),
_bytes('<form novalidate custom></form>'))
def test_html5_doctype(self):
# document type declaration with neither public if nor system url
doc = html.Element('html').getroottree()
doc.docinfo.public_id = None
doc.docinfo.system_url = None
self.assertEqual(doc.docinfo.doctype, '<!DOCTYPE html>')
self.assertTrue(doc.docinfo.public_id is None)
self.assertEqual(self.etree.tostring(doc),
_bytes('<!DOCTYPE html>\n<html/>'))
def test_ietf_decl(self):
# legacy declaration with public id, no system url
doc = html.Element('html').getroottree()
doc.docinfo.public_id = '-//IETF//DTD HTML//EN'
doc.docinfo.system_url = None
self.assertEqual(doc.docinfo.doctype,
'<!DOCTYPE html PUBLIC "-//IETF//DTD HTML//EN">')
self.assertEqual(self.etree.tostring(doc),
_bytes('<!DOCTYPE html PUBLIC "-//IETF//DTD HTML//EN">\n<html/>'))
def test_html_decl(self):
# Slightly different to one above: when we create an html element,
# we do not start with a blank slate.
doc = html.Element('html').getroottree()
doc.docinfo.public_id = 'bar'
doc.docinfo.system_url = 'baz'
self.assertEqual(doc.docinfo.doctype,
'<!DOCTYPE html PUBLIC "bar" "baz">')
self.assertEqual(etree.tostring(doc),
_bytes('<!DOCTYPE html PUBLIC "bar" "baz">\n<html/>'))
def test_set_decl_html(self):
doc = html.Element('html').getroottree()
doc.docinfo.public_id = "-//W3C//DTD XHTML 1.0 Strict//EN"
doc.docinfo.system_url = \
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"
self.assertEqual(doc.docinfo.doctype,
'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">')
self.assertEqual(self.etree.tostring(doc),
_bytes('''<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"></html>'''))
def test_clean_doctype(self):
doc = html.Element('html').getroottree()
self.assertTrue(doc.docinfo.doctype != '')
doc.docinfo.clear()
self.assertTrue(doc.docinfo.doctype == '')
