99 lines
3.3 KiB
Python
99 lines
3.3 KiB
Python
"""Tests to ensure that the html5lib tree builder generates good trees."""
|
|
|
|
import warnings
|
|
|
|
try:
|
|
from bs4.builder import HTML5TreeBuilder
|
|
HTML5LIB_PRESENT = True
|
|
except ImportError as e:
|
|
HTML5LIB_PRESENT = False
|
|
from bs4.element import SoupStrainer
|
|
from bs4.testing import (
|
|
HTML5TreeBuilderSmokeTest,
|
|
SoupTest,
|
|
skipIf,
|
|
)
|
|
|
|
@skipIf(
|
|
not HTML5LIB_PRESENT,
|
|
"html5lib seems not to be present, not testing its tree builder.")
|
|
class HTML5LibBuilderSmokeTest(SoupTest, HTML5TreeBuilderSmokeTest):
|
|
"""See ``HTML5TreeBuilderSmokeTest``."""
|
|
|
|
@property
|
|
def default_builder(self):
|
|
return HTML5TreeBuilder()
|
|
|
|
def test_soupstrainer(self):
|
|
# The html5lib tree builder does not support SoupStrainers.
|
|
strainer = SoupStrainer("b")
|
|
markup = "<p>A <b>bold</b> statement.</p>"
|
|
with warnings.catch_warnings(record=True) as w:
|
|
soup = self.soup(markup, parse_only=strainer)
|
|
self.assertEqual(
|
|
soup.decode(), self.document_for(markup))
|
|
|
|
self.assertTrue(
|
|
"the html5lib tree builder doesn't support parse_only" in
|
|
str(w[0].message))
|
|
|
|
def test_correctly_nested_tables(self):
|
|
"""html5lib inserts <tbody> tags where other parsers don't."""
|
|
markup = ('<table id="1">'
|
|
'<tr>'
|
|
"<td>Here's another table:"
|
|
'<table id="2">'
|
|
'<tr><td>foo</td></tr>'
|
|
'</table></td>')
|
|
|
|
self.assertSoupEquals(
|
|
markup,
|
|
'<table id="1"><tbody><tr><td>Here\'s another table:'
|
|
'<table id="2"><tbody><tr><td>foo</td></tr></tbody></table>'
|
|
'</td></tr></tbody></table>')
|
|
|
|
self.assertSoupEquals(
|
|
"<table><thead><tr><td>Foo</td></tr></thead>"
|
|
"<tbody><tr><td>Bar</td></tr></tbody>"
|
|
"<tfoot><tr><td>Baz</td></tr></tfoot></table>")
|
|
|
|
def test_xml_declaration_followed_by_doctype(self):
|
|
markup = '''<?xml version="1.0" encoding="utf-8"?>
|
|
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
</head>
|
|
<body>
|
|
<p>foo</p>
|
|
</body>
|
|
</html>'''
|
|
soup = self.soup(markup)
|
|
# Verify that we can reach the <p> tag; this means the tree is connected.
|
|
self.assertEqual(b"<p>foo</p>", soup.p.encode())
|
|
|
|
def test_reparented_markup(self):
|
|
markup = '<p><em>foo</p>\n<p>bar<a></a></em></p>'
|
|
soup = self.soup(markup)
|
|
self.assertEqual("<body><p><em>foo</em></p><em>\n</em><p><em>bar<a></a></em></p></body>", soup.body.decode())
|
|
self.assertEqual(2, len(soup.find_all('p')))
|
|
|
|
|
|
def test_reparented_markup_ends_with_whitespace(self):
|
|
markup = '<p><em>foo</p>\n<p>bar<a></a></em></p>\n'
|
|
soup = self.soup(markup)
|
|
self.assertEqual("<body><p><em>foo</em></p><em>\n</em><p><em>bar<a></a></em></p>\n</body>", soup.body.decode())
|
|
self.assertEqual(2, len(soup.find_all('p')))
|
|
|
|
def test_processing_instruction(self):
|
|
"""Processing instructions become comments."""
|
|
markup = b"""<?PITarget PIContent?>"""
|
|
soup = self.soup(markup)
|
|
assert str(soup).startswith("<!--?PITarget PIContent?-->")
|
|
|
|
def test_cloned_multivalue_node(self):
|
|
markup = b"""<a class="my_class"><p></a>"""
|
|
soup = self.soup(markup)
|
|
a1, a2 = soup.find_all('a')
|
|
self.assertEqual(a1, a2)
|
|
assert a1 is not a2
|