from __future__ import absolute_import, division, unicode_literals
from . import support # noqa
import html5lib
from html5lib.treeadapters import sax
from html5lib.treewalkers import getTreeWalker
def test_to_sax():
handler = support.TracingSaxHandler()
tree = html5lib.parse("""<html xml:lang="en">
<title>Directory Listing</title>
<a href="/"><b/></p>
""", treebuilder="etree")
walker = getTreeWalker("etree")
sax.to_sax(walker(tree), handler)
expected = [
'startDocument',
('startElementNS', ('http://www.w3.org/1999/xhtml', 'html'),
'html', {(None, 'xml:lang'): 'en'}),
('startElementNS', ('http://www.w3.org/1999/xhtml', 'head'), 'head', {}),
('startElementNS', ('http://www.w3.org/1999/xhtml', 'title'), 'title', {}),
('characters', 'Directory Listing'),
('endElementNS', ('http://www.w3.org/1999/xhtml', 'title'), 'title'),
('characters', '\n '),
('endElementNS', ('http://www.w3.org/1999/xhtml', 'head'), 'head'),
('startElementNS', ('http://www.w3.org/1999/xhtml', 'body'), 'body', {}),
('startElementNS', ('http://www.w3.org/1999/xhtml', 'a'), 'a', {(None, 'href'): '/'}),
('startElementNS', ('http://www.w3.org/1999/xhtml', 'b'), 'b', {}),
('startElementNS', ('http://www.w3.org/1999/xhtml', 'p'), 'p', {}),
('endElementNS', ('http://www.w3.org/1999/xhtml', 'p'), 'p'),
('characters', '\n '),
('endElementNS', ('http://www.w3.org/1999/xhtml', 'b'), 'b'),
('endElementNS', ('http://www.w3.org/1999/xhtml', 'a'), 'a'),
('endElementNS', ('http://www.w3.org/1999/xhtml', 'body'), 'body'),
('endElementNS', ('http://www.w3.org/1999/xhtml', 'html'), 'html'),
'endDocument',
]
assert expected == handler.visited