2001-05-18 12:32:59 -03:00
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"""Tests for HTMLParser.py."""
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2008-05-21 10:51:18 -03:00
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import html.parser
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2001-08-20 18:24:19 -03:00
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import pprint
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2001-05-18 12:32:59 -03:00
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import unittest
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2022-08-18 08:16:33 -03:00
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from unittest.mock import patch
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2001-05-18 12:32:59 -03:00
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2008-05-21 10:51:18 -03:00
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class EventCollector(html.parser.HTMLParser):
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2001-05-18 12:32:59 -03:00
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2010-12-03 00:06:39 -04:00
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def __init__(self, *args, **kw):
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2001-05-18 12:32:59 -03:00
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self.events = []
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self.append = self.events.append
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2010-12-03 00:06:39 -04:00
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html.parser.HTMLParser.__init__(self, *args, **kw)
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2001-05-18 12:32:59 -03:00
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def get_events(self):
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# Normalize the list of events so that buffer artefacts don't
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# separate runs of contiguous characters.
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L = []
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prevtype = None
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for event in self.events:
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type = event[0]
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if type == prevtype == "data":
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L[-1] = ("data", L[-1][1] + event[1])
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else:
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L.append(event)
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prevtype = type
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self.events = L
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return L
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# structure markup
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def handle_starttag(self, tag, attrs):
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self.append(("starttag", tag, attrs))
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def handle_startendtag(self, tag, attrs):
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self.append(("startendtag", tag, attrs))
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def handle_endtag(self, tag):
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self.append(("endtag", tag))
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# all other markup
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def handle_comment(self, data):
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self.append(("comment", data))
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def handle_charref(self, data):
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self.append(("charref", data))
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def handle_data(self, data):
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self.append(("data", data))
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def handle_decl(self, data):
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self.append(("decl", data))
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def handle_entityref(self, data):
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self.append(("entityref", data))
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def handle_pi(self, data):
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self.append(("pi", data))
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2001-09-04 12:13:04 -03:00
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def unknown_decl(self, decl):
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self.append(("unknown decl", decl))
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2001-05-18 12:32:59 -03:00
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class EventCollectorExtra(EventCollector):
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def handle_starttag(self, tag, attrs):
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EventCollector.handle_starttag(self, tag, attrs)
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self.append(("starttag_text", self.get_starttag_text()))
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2013-11-23 13:52:05 -04:00
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class EventCollectorCharrefs(EventCollector):
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def handle_charref(self, data):
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self.fail('This should never be called with convert_charrefs=True')
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def handle_entityref(self, data):
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self.fail('This should never be called with convert_charrefs=True')
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2001-05-18 12:32:59 -03:00
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class TestCaseBase(unittest.TestCase):
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2011-11-01 13:57:15 -03:00
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def get_collector(self):
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2014-08-02 08:10:30 -03:00
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return EventCollector(convert_charrefs=False)
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2011-11-01 13:57:15 -03:00
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2010-12-03 00:06:39 -04:00
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def _run_check(self, source, expected_events, collector=None):
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if collector is None:
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collector = self.get_collector()
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parser = collector
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for s in source:
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parser.feed(s)
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parser.close()
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2001-08-20 18:24:19 -03:00
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events = parser.get_events()
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2001-09-04 12:13:04 -03:00
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if events != expected_events:
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2013-11-23 13:52:05 -04:00
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self.fail("received events did not match expected events" +
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"\nSource:\n" + repr(source) +
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"\nExpected:\n" + pprint.pformat(expected_events) +
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"\nReceived:\n" + pprint.pformat(events))
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2001-05-18 12:32:59 -03:00
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def _run_check_extra(self, source, events):
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2013-11-23 13:52:05 -04:00
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self._run_check(source, events,
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EventCollectorExtra(convert_charrefs=False))
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2001-05-18 12:32:59 -03:00
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2011-11-01 13:57:15 -03:00
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2014-08-02 08:10:30 -03:00
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class HTMLParserTestCase(TestCaseBase):
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2001-05-18 12:32:59 -03:00
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2001-08-03 16:53:01 -03:00
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def test_processing_instruction_only(self):
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2001-05-18 12:32:59 -03:00
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self._run_check("<?processing instruction>", [
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("pi", "processing instruction"),
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])
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2003-04-17 19:19:26 -03:00
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self._run_check("<?processing instruction ?>", [
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("pi", "processing instruction ?"),
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])
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2001-05-18 12:32:59 -03:00
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2001-08-03 16:53:01 -03:00
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def test_simple_html(self):
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self._run_check("""
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<!DOCTYPE html PUBLIC 'foo'>
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<HTML>&entity; 
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<!--comment1a
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-></foo><bar><<?pi?></foo<bar
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comment1b-->
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<Img sRc='Bar' isMAP>sample
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text
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“
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<!--comment2a-- --comment2b-->
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2001-05-18 12:32:59 -03:00
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</Html>
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""", [
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("data", "\n"),
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("decl", "DOCTYPE html PUBLIC 'foo'"),
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("data", "\n"),
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("starttag", "html", []),
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("entityref", "entity"),
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("charref", "32"),
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("data", "\n"),
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("comment", "comment1a\n-></foo><bar><<?pi?></foo<bar\ncomment1b"),
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("data", "\n"),
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("starttag", "img", [("src", "Bar"), ("ismap", None)]),
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("data", "sample\ntext\n"),
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2001-08-03 16:53:01 -03:00
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("charref", "x201C"),
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("data", "\n"),
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2001-05-18 12:32:59 -03:00
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("comment", "comment2a-- --comment2b"),
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("data", "\n"),
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("endtag", "html"),
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("data", "\n"),
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])
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2010-05-24 18:46:25 -03:00
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def test_malformatted_charref(self):
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self._run_check("<p>&#bad;</p>", [
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("starttag", "p", []),
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("data", "&#bad;"),
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("endtag", "p"),
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])
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2014-02-01 15:21:01 -04:00
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# add the [] as a workaround to avoid buffering (see #20288)
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self._run_check(["<div>&#bad;</div>"], [
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("starttag", "div", []),
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("data", "&#bad;"),
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("endtag", "div"),
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])
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2010-05-24 18:46:25 -03:00
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2001-12-03 12:44:09 -04:00
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def test_unclosed_entityref(self):
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self._run_check("&entityref foo", [
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("entityref", "entityref"),
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("data", " foo"),
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])
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2001-08-03 16:53:01 -03:00
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def test_bad_nesting(self):
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# Strangely, this *is* supposed to test that overlapping
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# elements are allowed. HTMLParser is more geared toward
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# lexing the input that parsing the structure.
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2001-05-18 12:32:59 -03:00
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self._run_check("<a><b></a></b>", [
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("starttag", "a", []),
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("starttag", "b", []),
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("endtag", "a"),
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("endtag", "b"),
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])
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2001-08-20 18:24:19 -03:00
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def test_bare_ampersands(self):
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self._run_check("this text & contains & ampersands &", [
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("data", "this text & contains & ampersands &"),
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])
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def test_bare_pointy_brackets(self):
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self._run_check("this < text > contains < bare>pointy< brackets", [
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("data", "this < text > contains < bare>pointy< brackets"),
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])
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2001-08-03 16:53:01 -03:00
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def test_starttag_end_boundary(self):
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2001-05-18 12:32:59 -03:00
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self._run_check("""<a b='<'>""", [("starttag", "a", [("b", "<")])])
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self._run_check("""<a b='>'>""", [("starttag", "a", [("b", ">")])])
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2001-08-03 16:53:01 -03:00
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def test_buffer_artefacts(self):
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output = [("starttag", "a", [("b", "<")])]
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self._run_check(["<a b='<'>"], output)
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self._run_check(["<a ", "b='<'>"], output)
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self._run_check(["<a b", "='<'>"], output)
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self._run_check(["<a b=", "'<'>"], output)
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self._run_check(["<a b='<", "'>"], output)
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self._run_check(["<a b='<'", ">"], output)
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output = [("starttag", "a", [("b", ">")])]
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self._run_check(["<a b='>'>"], output)
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self._run_check(["<a ", "b='>'>"], output)
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self._run_check(["<a b", "='>'>"], output)
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self._run_check(["<a b=", "'>'>"], output)
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self._run_check(["<a b='>", "'>"], output)
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self._run_check(["<a b='>'", ">"], output)
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2004-09-08 19:57:01 -03:00
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output = [("comment", "abc")]
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self._run_check(["", "<!--abc-->"], output)
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self._run_check(["<", "!--abc-->"], output)
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self._run_check(["<!", "--abc-->"], output)
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self._run_check(["<!-", "-abc-->"], output)
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self._run_check(["<!--", "abc-->"], output)
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self._run_check(["<!--a", "bc-->"], output)
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self._run_check(["<!--ab", "c-->"], output)
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self._run_check(["<!--abc", "-->"], output)
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self._run_check(["<!--abc-", "->"], output)
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self._run_check(["<!--abc--", ">"], output)
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self._run_check(["<!--abc-->", ""], output)
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2012-02-13 09:50:37 -04:00
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def test_valid_doctypes(self):
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# from http://www.w3.org/QA/2002/04/valid-dtd-list.html
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dtds = ['HTML', # HTML5 doctype
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('HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" '
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'"http://www.w3.org/TR/html4/strict.dtd"'),
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('HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" '
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'"http://www.w3.org/TR/html4/loose.dtd"'),
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('html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" '
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'"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"'),
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('html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" '
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'"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd"'),
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('math PUBLIC "-//W3C//DTD MathML 2.0//EN" '
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'"http://www.w3.org/Math/DTD/mathml2/mathml2.dtd"'),
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('html PUBLIC "-//W3C//DTD '
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'XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" '
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'"http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd"'),
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('svg PUBLIC "-//W3C//DTD SVG 1.1//EN" '
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'"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"'),
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'html PUBLIC "-//IETF//DTD HTML 2.0//EN"',
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'html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"']
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for dtd in dtds:
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self._run_check("<!DOCTYPE %s>" % dtd,
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[('decl', 'DOCTYPE ' + dtd)])
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2001-08-03 16:53:01 -03:00
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def test_startendtag(self):
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2001-05-18 12:32:59 -03:00
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self._run_check("<p/>", [
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("startendtag", "p", []),
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])
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self._run_check("<p></p>", [
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("starttag", "p", []),
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("endtag", "p"),
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])
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self._run_check("<p><img src='foo' /></p>", [
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("starttag", "p", []),
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("startendtag", "img", [("src", "foo")]),
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("endtag", "p"),
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])
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2001-08-03 16:53:01 -03:00
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def test_get_starttag_text(self):
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2001-05-18 12:32:59 -03:00
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s = """<foo:bar \n one="1"\ttwo=2 >"""
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self._run_check_extra(s, [
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("starttag", "foo:bar", [("one", "1"), ("two", "2")]),
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("starttag_text", s)])
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2001-08-03 16:53:01 -03:00
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def test_cdata_content(self):
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2011-11-01 09:12:22 -03:00
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contents = [
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'<!-- not a comment --> ¬-an-entity-ref;',
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"<not a='start tag'>",
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'<a href="" /> <p> <span></span>',
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'foo = "</scr" + "ipt>";',
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'foo = "</SCRIPT" + ">";',
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'foo = <\n/script> ',
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'<!-- document.write("</scr" + "ipt>"); -->',
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('\n//<![CDATA[\n'
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'document.write(\'<s\'+\'cript type="text/javascript" '
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'src="http://www.example.org/r=\'+new '
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'Date().getTime()+\'"><\\/s\'+\'cript>\');\n//]]>'),
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'\n<!-- //\nvar foo = 3.14;\n// -->\n',
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'foo = "</sty" + "le>";',
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|
'<!-- \u2603 -->',
|
|
|
|
|
# these two should be invalid according to the HTML 5 spec,
|
|
|
|
|
# section 8.1.2.2
|
|
|
|
|
#'foo = </\nscript>',
|
|
|
|
|
#'foo = </ script>',
|
|
|
|
|
]
|
|
|
|
|
elements = ['script', 'style', 'SCRIPT', 'STYLE', 'Script', 'Style']
|
|
|
|
|
for content in contents:
|
|
|
|
|
for element in elements:
|
|
|
|
|
element_lower = element.lower()
|
|
|
|
|
s = '<{element}>{content}</{element}>'.format(element=element,
|
|
|
|
|
content=content)
|
|
|
|
|
self._run_check(s, [("starttag", element_lower, []),
|
|
|
|
|
("data", content),
|
|
|
|
|
("endtag", element_lower)])
|
|
|
|
|
|
2011-11-18 12:01:49 -04:00
|
|
|
def test_cdata_with_closing_tags(self):
|
|
|
|
|
# see issue #13358
|
|
|
|
|
# make sure that HTMLParser calls handle_data only once for each CDATA.
|
|
|
|
|
# The normal event collector normalizes the events in get_events,
|
|
|
|
|
# so we override it to return the original list of events.
|
|
|
|
|
class Collector(EventCollector):
|
|
|
|
|
def get_events(self):
|
|
|
|
|
return self.events
|
|
|
|
|
|
|
|
|
|
content = """<!-- not a comment --> ¬-an-entity-ref;
|
|
|
|
|
<a href="" /> </p><p> <span></span></style>
|
|
|
|
|
'</script' + '>'"""
|
|
|
|
|
for element in [' script', 'script ', ' script ',
|
|
|
|
|
'\nscript', 'script\n', '\nscript\n']:
|
|
|
|
|
element_lower = element.lower().strip()
|
|
|
|
|
s = '<script>{content}</{element}>'.format(element=element,
|
|
|
|
|
content=content)
|
|
|
|
|
self._run_check(s, [("starttag", element_lower, []),
|
|
|
|
|
("data", content),
|
|
|
|
|
("endtag", element_lower)],
|
2013-11-23 13:52:05 -04:00
|
|
|
collector=Collector(convert_charrefs=False))
|
2001-05-18 12:32:59 -03:00
|
|
|
|
2012-02-10 04:45:44 -04:00
|
|
|
def test_comments(self):
|
|
|
|
|
html = ("<!-- I'm a valid comment -->"
|
|
|
|
|
'<!--me too!-->'
|
|
|
|
|
'<!------>'
|
|
|
|
|
'<!---->'
|
|
|
|
|
'<!----I have many hyphens---->'
|
|
|
|
|
'<!-- I have a > in the middle -->'
|
|
|
|
|
'<!-- and I have -- in the middle! -->')
|
|
|
|
|
expected = [('comment', " I'm a valid comment "),
|
|
|
|
|
('comment', 'me too!'),
|
|
|
|
|
('comment', '--'),
|
|
|
|
|
('comment', ''),
|
|
|
|
|
('comment', '--I have many hyphens--'),
|
|
|
|
|
('comment', ' I have a > in the middle '),
|
|
|
|
|
('comment', ' and I have -- in the middle! ')]
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
|
2011-12-19 01:29:03 -04:00
|
|
|
def test_condcoms(self):
|
|
|
|
|
html = ('<!--[if IE & !(lte IE 8)]>aren\'t<![endif]-->'
|
|
|
|
|
'<!--[if IE 8]>condcoms<![endif]-->'
|
|
|
|
|
'<!--[if lte IE 7]>pretty?<![endif]-->')
|
|
|
|
|
expected = [('comment', "[if IE & !(lte IE 8)]>aren't<![endif]"),
|
|
|
|
|
('comment', '[if IE 8]>condcoms<![endif]'),
|
|
|
|
|
('comment', '[if lte IE 7]>pretty?<![endif]')]
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
|
2013-11-23 13:52:05 -04:00
|
|
|
def test_convert_charrefs(self):
|
2014-08-02 12:36:12 -03:00
|
|
|
# default value for convert_charrefs is now True
|
|
|
|
|
collector = lambda: EventCollectorCharrefs()
|
2013-11-23 13:52:05 -04:00
|
|
|
self.assertTrue(collector().convert_charrefs)
|
|
|
|
|
charrefs = ['"', '"', '"', '"', '"', '"']
|
|
|
|
|
# check charrefs in the middle of the text/attributes
|
|
|
|
|
expected = [('starttag', 'a', [('href', 'foo"zar')]),
|
|
|
|
|
('data', 'a"z'), ('endtag', 'a')]
|
|
|
|
|
for charref in charrefs:
|
|
|
|
|
self._run_check('<a href="foo{0}zar">a{0}z</a>'.format(charref),
|
|
|
|
|
expected, collector=collector())
|
|
|
|
|
# check charrefs at the beginning/end of the text/attributes
|
|
|
|
|
expected = [('data', '"'),
|
|
|
|
|
('starttag', 'a', [('x', '"'), ('y', '"X'), ('z', 'X"')]),
|
|
|
|
|
('data', '"'), ('endtag', 'a'), ('data', '"')]
|
|
|
|
|
for charref in charrefs:
|
|
|
|
|
self._run_check('{0}<a x="{0}" y="{0}X" z="X{0}">'
|
|
|
|
|
'{0}</a>{0}'.format(charref),
|
|
|
|
|
expected, collector=collector())
|
|
|
|
|
# check charrefs in <script>/<style> elements
|
|
|
|
|
for charref in charrefs:
|
|
|
|
|
text = 'X'.join([charref]*3)
|
|
|
|
|
expected = [('data', '"'),
|
|
|
|
|
('starttag', 'script', []), ('data', text),
|
|
|
|
|
('endtag', 'script'), ('data', '"'),
|
|
|
|
|
('starttag', 'style', []), ('data', text),
|
|
|
|
|
('endtag', 'style'), ('data', '"')]
|
|
|
|
|
self._run_check('{1}<script>{0}</script>{1}'
|
|
|
|
|
'<style>{0}</style>{1}'.format(text, charref),
|
|
|
|
|
expected, collector=collector())
|
|
|
|
|
# check truncated charrefs at the end of the file
|
|
|
|
|
html = '&quo &# &#x'
|
|
|
|
|
for x in range(1, len(html)):
|
|
|
|
|
self._run_check(html[:x], [('data', html[:x])],
|
|
|
|
|
collector=collector())
|
|
|
|
|
# check a string with no charrefs
|
|
|
|
|
self._run_check('no charrefs here', [('data', 'no charrefs here')],
|
|
|
|
|
collector=collector())
|
|
|
|
|
|
2014-08-02 08:10:30 -03:00
|
|
|
# the remaining tests were for the "tolerant" parser (which is now
|
|
|
|
|
# the default), and check various kind of broken markup
|
2010-12-03 00:06:39 -04:00
|
|
|
def test_tolerant_parsing(self):
|
|
|
|
|
self._run_check('<html <html>te>>xt&a<<bc</a></html>\n'
|
|
|
|
|
'<img src="URL><//img></html</html>', [
|
2011-11-14 12:53:33 -04:00
|
|
|
('starttag', 'html', [('<html', None)]),
|
|
|
|
|
('data', 'te>>xt'),
|
|
|
|
|
('entityref', 'a'),
|
2013-11-07 12:33:24 -04:00
|
|
|
('data', '<'),
|
|
|
|
|
('starttag', 'bc<', [('a', None)]),
|
2011-11-14 12:53:33 -04:00
|
|
|
('endtag', 'html'),
|
2012-02-13 05:24:50 -04:00
|
|
|
('data', '\n<img src="URL>'),
|
|
|
|
|
('comment', '/img'),
|
|
|
|
|
('endtag', 'html<')])
|
2010-12-03 00:06:39 -04:00
|
|
|
|
2012-02-13 08:11:27 -04:00
|
|
|
def test_starttag_junk_chars(self):
|
|
|
|
|
self._run_check("</>", [])
|
|
|
|
|
self._run_check("</$>", [('comment', '$')])
|
|
|
|
|
self._run_check("</", [('data', '</')])
|
|
|
|
|
self._run_check("</a", [('data', '</a')])
|
2013-11-07 12:33:24 -04:00
|
|
|
self._run_check("<a<a>", [('starttag', 'a<a', [])])
|
2012-02-13 08:11:27 -04:00
|
|
|
self._run_check("</a<a>", [('endtag', 'a<a')])
|
|
|
|
|
self._run_check("<!", [('data', '<!')])
|
|
|
|
|
self._run_check("<a", [('data', '<a')])
|
|
|
|
|
self._run_check("<a foo='bar'", [('data', "<a foo='bar'")])
|
|
|
|
|
self._run_check("<a foo='bar", [('data', "<a foo='bar")])
|
|
|
|
|
self._run_check("<a foo='>'", [('data', "<a foo='>'")])
|
|
|
|
|
self._run_check("<a foo='>", [('data', "<a foo='>")])
|
2013-11-07 12:33:24 -04:00
|
|
|
self._run_check("<a$>", [('starttag', 'a$', [])])
|
|
|
|
|
self._run_check("<a$b>", [('starttag', 'a$b', [])])
|
|
|
|
|
self._run_check("<a$b/>", [('startendtag', 'a$b', [])])
|
|
|
|
|
self._run_check("<a$b >", [('starttag', 'a$b', [])])
|
|
|
|
|
self._run_check("<a$b />", [('startendtag', 'a$b', [])])
|
2012-02-13 08:11:27 -04:00
|
|
|
|
2012-02-21 03:25:00 -04:00
|
|
|
def test_slashes_in_starttag(self):
|
|
|
|
|
self._run_check('<a foo="var"/>', [('startendtag', 'a', [('foo', 'var')])])
|
|
|
|
|
html = ('<img width=902 height=250px '
|
|
|
|
|
'src="/sites/default/files/images/homepage/foo.jpg" '
|
|
|
|
|
'/*what am I doing here*/ />')
|
|
|
|
|
expected = [(
|
|
|
|
|
'startendtag', 'img',
|
|
|
|
|
[('width', '902'), ('height', '250px'),
|
|
|
|
|
('src', '/sites/default/files/images/homepage/foo.jpg'),
|
|
|
|
|
('*what', None), ('am', None), ('i', None),
|
|
|
|
|
('doing', None), ('here*', None)]
|
|
|
|
|
)]
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
html = ('<a / /foo/ / /=/ / /bar/ / />'
|
|
|
|
|
'<a / /foo/ / /=/ / /bar/ / >')
|
|
|
|
|
expected = [
|
|
|
|
|
('startendtag', 'a', [('foo', None), ('=', None), ('bar', None)]),
|
|
|
|
|
('starttag', 'a', [('foo', None), ('=', None), ('bar', None)])
|
|
|
|
|
]
|
|
|
|
|
self._run_check(html, expected)
|
2012-04-18 22:18:22 -03:00
|
|
|
#see issue #14538
|
|
|
|
|
html = ('<meta><meta / ><meta // ><meta / / >'
|
|
|
|
|
'<meta/><meta /><meta //><meta//>')
|
|
|
|
|
expected = [
|
|
|
|
|
('starttag', 'meta', []), ('starttag', 'meta', []),
|
|
|
|
|
('starttag', 'meta', []), ('starttag', 'meta', []),
|
|
|
|
|
('startendtag', 'meta', []), ('startendtag', 'meta', []),
|
|
|
|
|
('startendtag', 'meta', []), ('startendtag', 'meta', []),
|
|
|
|
|
]
|
|
|
|
|
self._run_check(html, expected)
|
2012-02-21 03:25:00 -04:00
|
|
|
|
2012-02-13 08:11:27 -04:00
|
|
|
def test_declaration_junk_chars(self):
|
2012-02-13 09:50:37 -04:00
|
|
|
self._run_check("<!DOCTYPE foo $ >", [('decl', 'DOCTYPE foo $ ')])
|
2012-02-13 08:11:27 -04:00
|
|
|
|
|
|
|
|
def test_illegal_declarations(self):
|
|
|
|
|
self._run_check('<!spacer type="block" height="25">',
|
|
|
|
|
[('comment', 'spacer type="block" height="25"')])
|
|
|
|
|
|
2012-02-13 05:24:50 -04:00
|
|
|
def test_invalid_end_tags(self):
|
|
|
|
|
# A collection of broken end tags. <br> is used as separator.
|
|
|
|
|
# see http://www.w3.org/TR/html5/tokenization.html#end-tag-open-state
|
|
|
|
|
# and #13993
|
|
|
|
|
html = ('<br></label</p><br></div end tmAd-leaderBoard><br></<h4><br>'
|
|
|
|
|
'</li class="unit"><br></li\r\n\t\t\t\t\t\t</ul><br></><br>')
|
|
|
|
|
expected = [('starttag', 'br', []),
|
|
|
|
|
# < is part of the name, / is discarded, p is an attribute
|
|
|
|
|
('endtag', 'label<'),
|
|
|
|
|
('starttag', 'br', []),
|
|
|
|
|
# text and attributes are discarded
|
|
|
|
|
('endtag', 'div'),
|
|
|
|
|
('starttag', 'br', []),
|
|
|
|
|
# comment because the first char after </ is not a-zA-Z
|
|
|
|
|
('comment', '<h4'),
|
|
|
|
|
('starttag', 'br', []),
|
|
|
|
|
# attributes are discarded
|
|
|
|
|
('endtag', 'li'),
|
|
|
|
|
('starttag', 'br', []),
|
|
|
|
|
# everything till ul (included) is discarded
|
|
|
|
|
('endtag', 'li'),
|
|
|
|
|
('starttag', 'br', []),
|
|
|
|
|
# </> is ignored
|
|
|
|
|
('starttag', 'br', [])]
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
|
|
|
|
|
def test_broken_invalid_end_tag(self):
|
|
|
|
|
# This is technically wrong (the "> shouldn't be included in the 'data')
|
|
|
|
|
# but is probably not worth fixing it (in addition to all the cases of
|
|
|
|
|
# the previous test, it would require a full attribute parsing).
|
|
|
|
|
# see #13993
|
|
|
|
|
html = '<b>This</b attr=">"> confuses the parser'
|
|
|
|
|
expected = [('starttag', 'b', []),
|
|
|
|
|
('data', 'This'),
|
|
|
|
|
('endtag', 'b'),
|
|
|
|
|
('data', '"> confuses the parser')]
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
|
2011-11-01 10:00:59 -03:00
|
|
|
def test_correct_detection_of_start_tags(self):
|
|
|
|
|
# see #13273
|
2011-10-28 07:21:09 -03:00
|
|
|
html = ('<div style="" ><b>The <a href="some_url">rain</a> '
|
|
|
|
|
'<br /> in <span>Spain</span></b></div>')
|
|
|
|
|
expected = [
|
|
|
|
|
('starttag', 'div', [('style', '')]),
|
|
|
|
|
('starttag', 'b', []),
|
|
|
|
|
('data', 'The '),
|
|
|
|
|
('starttag', 'a', [('href', 'some_url')]),
|
|
|
|
|
('data', 'rain'),
|
|
|
|
|
('endtag', 'a'),
|
|
|
|
|
('data', ' '),
|
|
|
|
|
('startendtag', 'br', []),
|
|
|
|
|
('data', ' in '),
|
|
|
|
|
('starttag', 'span', []),
|
|
|
|
|
('data', 'Spain'),
|
|
|
|
|
('endtag', 'span'),
|
|
|
|
|
('endtag', 'b'),
|
|
|
|
|
('endtag', 'div')
|
|
|
|
|
]
|
2011-11-01 13:57:15 -03:00
|
|
|
self._run_check(html, expected)
|
2011-10-28 07:21:09 -03:00
|
|
|
|
|
|
|
|
html = '<div style="", foo = "bar" ><b>The <a href="some_url">rain</a>'
|
|
|
|
|
expected = [
|
2011-11-14 12:53:33 -04:00
|
|
|
('starttag', 'div', [('style', ''), (',', None), ('foo', 'bar')]),
|
2011-10-28 07:21:09 -03:00
|
|
|
('starttag', 'b', []),
|
|
|
|
|
('data', 'The '),
|
|
|
|
|
('starttag', 'a', [('href', 'some_url')]),
|
|
|
|
|
('data', 'rain'),
|
|
|
|
|
('endtag', 'a'),
|
|
|
|
|
]
|
2011-11-01 13:57:15 -03:00
|
|
|
self._run_check(html, expected)
|
2011-10-28 07:21:09 -03:00
|
|
|
|
2013-05-01 10:18:25 -03:00
|
|
|
def test_EOF_in_charref(self):
|
|
|
|
|
# see #17802
|
|
|
|
|
# This test checks that the UnboundLocalError reported in the issue
|
|
|
|
|
# is not raised, however I'm not sure the returned values are correct.
|
|
|
|
|
# Maybe HTMLParser should use self.unescape for these
|
|
|
|
|
data = [
|
|
|
|
|
('a&', [('data', 'a&')]),
|
|
|
|
|
('a&b', [('data', 'ab')]),
|
|
|
|
|
('a&b ', [('data', 'a'), ('entityref', 'b'), ('data', ' ')]),
|
|
|
|
|
('a&b;', [('data', 'a'), ('entityref', 'b')]),
|
|
|
|
|
]
|
|
|
|
|
for html, expected in data:
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
|
2012-02-10 04:45:44 -04:00
|
|
|
def test_broken_comments(self):
|
|
|
|
|
html = ('<! not really a comment >'
|
|
|
|
|
'<! not a comment either -->'
|
|
|
|
|
'<! -- close enough -->'
|
2012-02-13 09:50:37 -04:00
|
|
|
'<!><!<-- this was an empty comment>'
|
2012-02-10 04:45:44 -04:00
|
|
|
'<!!! another bogus comment !!!>')
|
|
|
|
|
expected = [
|
|
|
|
|
('comment', ' not really a comment '),
|
|
|
|
|
('comment', ' not a comment either --'),
|
|
|
|
|
('comment', ' -- close enough --'),
|
2012-02-13 09:50:37 -04:00
|
|
|
('comment', ''),
|
|
|
|
|
('comment', '<-- this was an empty comment'),
|
2012-02-10 04:45:44 -04:00
|
|
|
('comment', '!! another bogus comment !!!'),
|
|
|
|
|
]
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
|
2011-12-19 01:29:03 -04:00
|
|
|
def test_broken_condcoms(self):
|
|
|
|
|
# these condcoms are missing the '--' after '<!' and before the '>'
|
|
|
|
|
html = ('<![if !(IE)]>broken condcom<![endif]>'
|
|
|
|
|
'<![if ! IE]><link href="favicon.tiff"/><![endif]>'
|
|
|
|
|
'<![if !IE 6]><img src="firefox.png" /><![endif]>'
|
|
|
|
|
'<![if !ie 6]><b>foo</b><![endif]>'
|
|
|
|
|
'<![if (!IE)|(lt IE 9)]><img src="mammoth.bmp" /><![endif]>')
|
|
|
|
|
# According to the HTML5 specs sections "8.2.4.44 Bogus comment state"
|
|
|
|
|
# and "8.2.4.45 Markup declaration open state", comment tokens should
|
|
|
|
|
# be emitted instead of 'unknown decl', but calling unknown_decl
|
|
|
|
|
# provides more flexibility.
|
|
|
|
|
# See also Lib/_markupbase.py:parse_declaration
|
|
|
|
|
expected = [
|
|
|
|
|
('unknown decl', 'if !(IE)'),
|
|
|
|
|
('data', 'broken condcom'),
|
|
|
|
|
('unknown decl', 'endif'),
|
|
|
|
|
('unknown decl', 'if ! IE'),
|
|
|
|
|
('startendtag', 'link', [('href', 'favicon.tiff')]),
|
|
|
|
|
('unknown decl', 'endif'),
|
|
|
|
|
('unknown decl', 'if !IE 6'),
|
|
|
|
|
('startendtag', 'img', [('src', 'firefox.png')]),
|
|
|
|
|
('unknown decl', 'endif'),
|
|
|
|
|
('unknown decl', 'if !ie 6'),
|
|
|
|
|
('starttag', 'b', []),
|
|
|
|
|
('data', 'foo'),
|
|
|
|
|
('endtag', 'b'),
|
|
|
|
|
('unknown decl', 'endif'),
|
|
|
|
|
('unknown decl', 'if (!IE)|(lt IE 9)'),
|
|
|
|
|
('startendtag', 'img', [('src', 'mammoth.bmp')]),
|
|
|
|
|
('unknown decl', 'endif')
|
|
|
|
|
]
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
|
2015-09-06 15:38:06 -03:00
|
|
|
def test_convert_charrefs_dropped_text(self):
|
|
|
|
|
# #23144: make sure that all the events are triggered when
|
|
|
|
|
# convert_charrefs is True, even if we don't call .close()
|
|
|
|
|
parser = EventCollector(convert_charrefs=True)
|
|
|
|
|
# before the fix, bar & baz was missing
|
|
|
|
|
parser.feed("foo <a>link</a> bar & baz")
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
parser.get_events(),
|
|
|
|
|
[('data', 'foo '), ('starttag', 'a', []), ('data', 'link'),
|
|
|
|
|
('endtag', 'a'), ('data', ' bar & baz')]
|
|
|
|
|
)
|
|
|
|
|
|
2011-11-01 13:57:15 -03:00
|
|
|
|
2014-08-02 08:10:30 -03:00
|
|
|
class AttributesTestCase(TestCaseBase):
|
2011-11-14 12:13:22 -04:00
|
|
|
|
|
|
|
|
def test_attr_syntax(self):
|
|
|
|
|
output = [
|
|
|
|
|
("starttag", "a", [("b", "v"), ("c", "v"), ("d", "v"), ("e", None)])
|
|
|
|
|
]
|
|
|
|
|
self._run_check("""<a b='v' c="v" d=v e>""", output)
|
|
|
|
|
self._run_check("""<a b = 'v' c = "v" d = v e>""", output)
|
|
|
|
|
self._run_check("""<a\nb\n=\n'v'\nc\n=\n"v"\nd\n=\nv\ne>""", output)
|
|
|
|
|
self._run_check("""<a\tb\t=\t'v'\tc\t=\t"v"\td\t=\tv\te>""", output)
|
|
|
|
|
|
|
|
|
|
def test_attr_values(self):
|
|
|
|
|
self._run_check("""<a b='xxx\n\txxx' c="yyy\t\nyyy" d='\txyz\n'>""",
|
|
|
|
|
[("starttag", "a", [("b", "xxx\n\txxx"),
|
|
|
|
|
("c", "yyy\t\nyyy"),
|
|
|
|
|
("d", "\txyz\n")])])
|
|
|
|
|
self._run_check("""<a b='' c="">""",
|
|
|
|
|
[("starttag", "a", [("b", ""), ("c", "")])])
|
|
|
|
|
# Regression test for SF patch #669683.
|
|
|
|
|
self._run_check("<e a=rgb(1,2,3)>",
|
|
|
|
|
[("starttag", "e", [("a", "rgb(1,2,3)")])])
|
|
|
|
|
# Regression test for SF bug #921657.
|
|
|
|
|
self._run_check(
|
|
|
|
|
"<a href=mailto:xyz@example.com>",
|
|
|
|
|
[("starttag", "a", [("href", "mailto:xyz@example.com")])])
|
|
|
|
|
|
|
|
|
|
def test_attr_nonascii(self):
|
|
|
|
|
# see issue 7311
|
|
|
|
|
self._run_check(
|
|
|
|
|
"<img src=/foo/bar.png alt=\u4e2d\u6587>",
|
|
|
|
|
[("starttag", "img", [("src", "/foo/bar.png"),
|
|
|
|
|
("alt", "\u4e2d\u6587")])])
|
|
|
|
|
self._run_check(
|
|
|
|
|
"<a title='\u30c6\u30b9\u30c8' href='\u30c6\u30b9\u30c8.html'>",
|
|
|
|
|
[("starttag", "a", [("title", "\u30c6\u30b9\u30c8"),
|
|
|
|
|
("href", "\u30c6\u30b9\u30c8.html")])])
|
|
|
|
|
self._run_check(
|
|
|
|
|
'<a title="\u30c6\u30b9\u30c8" href="\u30c6\u30b9\u30c8.html">',
|
|
|
|
|
[("starttag", "a", [("title", "\u30c6\u30b9\u30c8"),
|
|
|
|
|
("href", "\u30c6\u30b9\u30c8.html")])])
|
|
|
|
|
|
|
|
|
|
def test_attr_entity_replacement(self):
|
|
|
|
|
self._run_check(
|
|
|
|
|
"<a b='&><"''>",
|
|
|
|
|
[("starttag", "a", [("b", "&><\"'")])])
|
|
|
|
|
|
|
|
|
|
def test_attr_funky_names(self):
|
|
|
|
|
self._run_check(
|
|
|
|
|
"<a a.b='v' c:d=v e-f=v>",
|
|
|
|
|
[("starttag", "a", [("a.b", "v"), ("c:d", "v"), ("e-f", "v")])])
|
|
|
|
|
|
|
|
|
|
def test_entityrefs_in_attributes(self):
|
|
|
|
|
self._run_check(
|
|
|
|
|
"<html foo='€&aa&unsupported;'>",
|
|
|
|
|
[("starttag", "html", [("foo", "\u20AC&aa&unsupported;")])])
|
|
|
|
|
|
|
|
|
|
|
2011-11-14 12:53:33 -04:00
|
|
|
def test_attr_funky_names2(self):
|
|
|
|
|
self._run_check(
|
2016-09-08 14:59:53 -03:00
|
|
|
r"<a $><b $=%><c \=/>",
|
2011-11-14 12:53:33 -04:00
|
|
|
[("starttag", "a", [("$", None)]),
|
|
|
|
|
("starttag", "b", [("$", "%")]),
|
|
|
|
|
("starttag", "c", [("\\", "/")])])
|
|
|
|
|
|
|
|
|
|
def test_entities_in_attribute_value(self):
|
|
|
|
|
# see #1200313
|
|
|
|
|
for entity in ['&', '&', '&', '&']:
|
|
|
|
|
self._run_check('<a href="%s">' % entity,
|
|
|
|
|
[("starttag", "a", [("href", "&")])])
|
|
|
|
|
self._run_check("<a href='%s'>" % entity,
|
|
|
|
|
[("starttag", "a", [("href", "&")])])
|
|
|
|
|
self._run_check("<a href=%s>" % entity,
|
|
|
|
|
[("starttag", "a", [("href", "&")])])
|
|
|
|
|
|
|
|
|
|
def test_malformed_attributes(self):
|
|
|
|
|
# see #13357
|
|
|
|
|
html = (
|
|
|
|
|
"<a href=test'style='color:red;bad1'>test - bad1</a>"
|
|
|
|
|
"<a href=test'+style='color:red;ba2'>test - bad2</a>"
|
|
|
|
|
"<a href=test' style='color:red;bad3'>test - bad3</a>"
|
|
|
|
|
"<a href = test' style='color:red;bad4' >test - bad4</a>"
|
|
|
|
|
)
|
|
|
|
|
expected = [
|
|
|
|
|
('starttag', 'a', [('href', "test'style='color:red;bad1'")]),
|
|
|
|
|
('data', 'test - bad1'), ('endtag', 'a'),
|
|
|
|
|
('starttag', 'a', [('href', "test'+style='color:red;ba2'")]),
|
|
|
|
|
('data', 'test - bad2'), ('endtag', 'a'),
|
|
|
|
|
('starttag', 'a', [('href', "test'\xa0style='color:red;bad3'")]),
|
|
|
|
|
('data', 'test - bad3'), ('endtag', 'a'),
|
|
|
|
|
('starttag', 'a', [('href', "test'\xa0style='color:red;bad4'")]),
|
|
|
|
|
('data', 'test - bad4'), ('endtag', 'a')
|
|
|
|
|
]
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
|
|
|
|
|
def test_malformed_adjacent_attributes(self):
|
|
|
|
|
# see #12629
|
|
|
|
|
self._run_check('<x><y z=""o"" /></x>',
|
|
|
|
|
[('starttag', 'x', []),
|
|
|
|
|
('startendtag', 'y', [('z', ''), ('o""', None)]),
|
|
|
|
|
('endtag', 'x')])
|
|
|
|
|
self._run_check('<x><y z="""" /></x>',
|
|
|
|
|
[('starttag', 'x', []),
|
|
|
|
|
('startendtag', 'y', [('z', ''), ('""', None)]),
|
|
|
|
|
('endtag', 'x')])
|
|
|
|
|
|
|
|
|
|
# see #755670 for the following 3 tests
|
|
|
|
|
def test_adjacent_attributes(self):
|
|
|
|
|
self._run_check('<a width="100%"cellspacing=0>',
|
|
|
|
|
[("starttag", "a",
|
|
|
|
|
[("width", "100%"), ("cellspacing","0")])])
|
|
|
|
|
|
|
|
|
|
self._run_check('<a id="foo"class="bar">',
|
|
|
|
|
[("starttag", "a",
|
|
|
|
|
[("id", "foo"), ("class","bar")])])
|
|
|
|
|
|
|
|
|
|
def test_missing_attribute_value(self):
|
|
|
|
|
self._run_check('<a v=>',
|
|
|
|
|
[("starttag", "a", [("v", "")])])
|
|
|
|
|
|
|
|
|
|
def test_javascript_attribute_value(self):
|
|
|
|
|
self._run_check("<a href=javascript:popup('/popup/help.html')>",
|
|
|
|
|
[("starttag", "a",
|
|
|
|
|
[("href", "javascript:popup('/popup/help.html')")])])
|
|
|
|
|
|
|
|
|
|
def test_end_tag_in_attribute_value(self):
|
|
|
|
|
# see #1745761
|
|
|
|
|
self._run_check("<a href='http://www.example.org/\">;'>spam</a>",
|
|
|
|
|
[("starttag", "a",
|
|
|
|
|
[("href", "http://www.example.org/\">;")]),
|
|
|
|
|
("data", "spam"), ("endtag", "a")])
|
|
|
|
|
|
2021-02-01 16:32:50 -04:00
|
|
|
def test_with_unquoted_attributes(self):
|
|
|
|
|
# see #12008
|
|
|
|
|
html = ("<html><body bgcolor=d0ca90 text='181008'>"
|
|
|
|
|
"<table cellspacing=0 cellpadding=1 width=100% ><tr>"
|
|
|
|
|
"<td align=left><font size=-1>"
|
|
|
|
|
"- <a href=/rabota/><span class=en> software-and-i</span></a>"
|
|
|
|
|
"- <a href='/1/'><span class=en> library</span></a></table>")
|
|
|
|
|
expected = [
|
|
|
|
|
('starttag', 'html', []),
|
|
|
|
|
('starttag', 'body', [('bgcolor', 'd0ca90'), ('text', '181008')]),
|
|
|
|
|
('starttag', 'table',
|
|
|
|
|
[('cellspacing', '0'), ('cellpadding', '1'), ('width', '100%')]),
|
|
|
|
|
('starttag', 'tr', []),
|
|
|
|
|
('starttag', 'td', [('align', 'left')]),
|
|
|
|
|
('starttag', 'font', [('size', '-1')]),
|
|
|
|
|
('data', '- '), ('starttag', 'a', [('href', '/rabota/')]),
|
|
|
|
|
('starttag', 'span', [('class', 'en')]), ('data', ' software-and-i'),
|
|
|
|
|
('endtag', 'span'), ('endtag', 'a'),
|
|
|
|
|
('data', '- '), ('starttag', 'a', [('href', '/1/')]),
|
|
|
|
|
('starttag', 'span', [('class', 'en')]), ('data', ' library'),
|
|
|
|
|
('endtag', 'span'), ('endtag', 'a'), ('endtag', 'table')
|
|
|
|
|
]
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
|
|
|
|
|
def test_comma_between_attributes(self):
|
|
|
|
|
# see bpo 41478
|
|
|
|
|
# HTMLParser preserves duplicate attributes, leaving the task of
|
|
|
|
|
# removing duplicate attributes to a conformant html tree builder
|
|
|
|
|
html = ('<div class=bar,baz=asd>' # between attrs (unquoted)
|
|
|
|
|
'<div class="bar",baz="asd">' # between attrs (quoted)
|
|
|
|
|
'<div class=bar, baz=asd,>' # after values (unquoted)
|
|
|
|
|
'<div class="bar", baz="asd",>' # after values (quoted)
|
|
|
|
|
'<div class="bar",>' # one comma values (quoted)
|
|
|
|
|
'<div class=,bar baz=,asd>' # before values (unquoted)
|
|
|
|
|
'<div class=,"bar" baz=,"asd">' # before values (quoted)
|
|
|
|
|
'<div ,class=bar ,baz=asd>' # before names
|
|
|
|
|
'<div class,="bar" baz,="asd">' # after names
|
|
|
|
|
)
|
|
|
|
|
expected = [
|
|
|
|
|
('starttag', 'div', [('class', 'bar,baz=asd'),]),
|
|
|
|
|
('starttag', 'div', [('class', 'bar'), (',baz', 'asd')]),
|
|
|
|
|
('starttag', 'div', [('class', 'bar,'), ('baz', 'asd,')]),
|
|
|
|
|
('starttag', 'div', [('class', 'bar'), (',', None),
|
|
|
|
|
('baz', 'asd'), (',', None)]),
|
|
|
|
|
('starttag', 'div', [('class', 'bar'), (',', None)]),
|
|
|
|
|
('starttag', 'div', [('class', ',bar'), ('baz', ',asd')]),
|
|
|
|
|
('starttag', 'div', [('class', ',"bar"'), ('baz', ',"asd"')]),
|
|
|
|
|
('starttag', 'div', [(',class', 'bar'), (',baz', 'asd')]),
|
|
|
|
|
('starttag', 'div', [('class,', 'bar'), ('baz,', 'asd')]),
|
|
|
|
|
]
|
|
|
|
|
self._run_check(html, expected)
|
|
|
|
|
|
|
|
|
|
def test_weird_chars_in_unquoted_attribute_values(self):
|
|
|
|
|
self._run_check('<form action=bogus|&#()value>', [
|
|
|
|
|
('starttag', 'form',
|
|
|
|
|
[('action', 'bogus|&#()value')])])
|
2011-11-14 12:53:33 -04:00
|
|
|
|
2022-08-18 08:16:33 -03:00
|
|
|
|
|
|
|
|
class TestInheritance(unittest.TestCase):
|
|
|
|
|
|
|
|
|
|
@patch("_markupbase.ParserBase.__init__")
|
|
|
|
|
@patch("_markupbase.ParserBase.reset")
|
|
|
|
|
def test_base_class_methods_called(self, super_reset_method, super_init_method):
|
|
|
|
|
with patch('_markupbase.ParserBase') as parser_base:
|
|
|
|
|
EventCollector()
|
|
|
|
|
super_init_method.assert_called_once()
|
|
|
|
|
super_reset_method.assert_called_once()
|
|
|
|
|
|
|
|
|
|
|
2001-09-24 17:19:08 -03:00
|
|
|
if __name__ == "__main__":
|
2013-11-02 12:49:08 -03:00
|
|
|
unittest.main()
|
