Update html5lib-1.1

lib/html5lib/tests/test_alphabeticalattributes.py

@@ -0,0 +1,78 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from collections import OrderedDict
+
+import pytest
+
+import html5lib
+from html5lib.filters.alphabeticalattributes import Filter
+from html5lib.serializer import HTMLSerializer
+
+
+@pytest.mark.parametrize('msg, attrs, expected_attrs', [
+    (
+        'no attrs',
+        {},
+        {}
+    ),
+    (
+        'one attr',
+        {(None, 'alt'): 'image'},
+        OrderedDict([((None, 'alt'), 'image')])
+    ),
+    (
+        'multiple attrs',
+        {
+            (None, 'src'): 'foo',
+            (None, 'alt'): 'image',
+            (None, 'style'): 'border: 1px solid black;'
+        },
+        OrderedDict([
+            ((None, 'alt'), 'image'),
+            ((None, 'src'), 'foo'),
+            ((None, 'style'), 'border: 1px solid black;')
+        ])
+    ),
+])
+def test_alphabetizing(msg, attrs, expected_attrs):
+    tokens = [{'type': 'StartTag', 'name': 'img', 'data': attrs}]
+    output_tokens = list(Filter(tokens))
+
+    attrs = output_tokens[0]['data']
+    assert attrs == expected_attrs
+
+
+def test_with_different_namespaces():
+    tokens = [{
+        'type': 'StartTag',
+        'name': 'pattern',
+        'data': {
+            (None, 'id'): 'patt1',
+            ('http://www.w3.org/1999/xlink', 'href'): '#patt2'
+        }
+    }]
+    output_tokens = list(Filter(tokens))
+
+    attrs = output_tokens[0]['data']
+    assert attrs == OrderedDict([
+        ((None, 'id'), 'patt1'),
+        (('http://www.w3.org/1999/xlink', 'href'), '#patt2')
+    ])
+
+
+def test_with_serializer():
+    """Verify filter works in the context of everything else"""
+    parser = html5lib.HTMLParser()
+    dom = parser.parseFragment('<svg><pattern xlink:href="#patt2" id="patt1"></svg>')
+    walker = html5lib.getTreeWalker('etree')
+    ser = HTMLSerializer(
+        alphabetical_attributes=True,
+        quote_attr_values='always'
+    )
+
+    # FIXME(willkg): The "xlink" namespace gets dropped by the serializer. When
+    # that gets fixed, we can fix this expected result.
+    assert (
+        ser.render(walker(dom)) ==
+        '<svg><pattern id="patt1" href="#patt2"></pattern></svg>'
+    )