2001-05-18 12:32:59 -03:00
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"""Tests for HTMLParser.py."""
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2008-05-20 04:58:42 -03:00
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import HTMLParser
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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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2002-07-23 16:04:11 -03:00
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from test import test_support
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2001-05-18 12:32:59 -03:00
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2008-05-20 04:58:42 -03:00
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class EventCollector(HTMLParser.HTMLParser):
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2001-05-18 12:32:59 -03:00
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def __init__(self):
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self.events = []
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self.append = self.events.append
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2008-05-20 04:58:42 -03:00
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HTMLParser.HTMLParser.__init__(self)
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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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class TestCaseBase(unittest.TestCase):
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2001-09-04 12:13:04 -03:00
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def _run_check(self, source, expected_events, collector=EventCollector):
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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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if events != expected_events:
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self.fail("received events did not match expected events\n"
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"Expected:\n" + pprint.pformat(expected_events) +
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"\nReceived:\n" + pprint.pformat(events))
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def _run_check_extra(self, source, events):
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self._run_check(source, events, EventCollectorExtra)
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def _parse_error(self, source):
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def parse(source=source):
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parser = HTMLParser.HTMLParser()
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parser.feed(source)
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parser.close()
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self.assertRaises(HTMLParser.HTMLParseError, parse)
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class HTMLParserTestCase(TestCaseBase):
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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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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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2001-08-03 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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2001-08-03 16:53:01 -03:00
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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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("charref", "x201C"),
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("data", "\n"),
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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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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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2001-08-20 18:24:19 -03:00
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def test_doctype_decl(self):
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inside = """\
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DOCTYPE html [
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<!ELEMENT html - O EMPTY>
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<!ATTLIST html
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version CDATA #IMPLIED
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profile CDATA 'DublinCore'>
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<!NOTATION datatype SYSTEM 'http://xml.python.org/notations/python-module'>
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<!ENTITY myEntity 'internal parsed entity'>
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<!ENTITY anEntity SYSTEM 'http://xml.python.org/entities/something.xml'>
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<!ENTITY % paramEntity 'name|name|name'>
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%paramEntity;
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<!-- comment -->
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]"""
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self._run_check("<!%s>" % inside, [
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("decl", inside),
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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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2001-09-04 12:13:04 -03:00
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def test_illegal_declarations(self):
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self._parse_error('<!spacer type="block" height="25">')
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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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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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2001-08-03 16:53:01 -03:00
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def test_starttag_junk_chars(self):
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self._parse_error("</>")
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self._parse_error("</$>")
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self._parse_error("</")
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self._parse_error("</a")
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self._parse_error("<a<a>")
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self._parse_error("</a<a>")
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self._parse_error("<!")
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self._parse_error("<a")
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self._parse_error("<a foo='bar'")
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self._parse_error("<a foo='bar")
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self._parse_error("<a foo='>'")
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self._parse_error("<a foo='>")
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2001-08-03 16:53:01 -03:00
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def test_declaration_junk_chars(self):
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self._parse_error("<!DOCTYPE foo $ >")
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2001-08-03 16:53:01 -03:00
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def test_startendtag(self):
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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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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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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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u'<!-- \u2603 -->',
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# these two should be invalid according to the HTML 5 spec,
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# section 8.1.2.2
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#'foo = </\nscript>',
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#'foo = </ script>',
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]
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elements = ['script', 'style', 'SCRIPT', 'STYLE', 'Script', 'Style']
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for content in contents:
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for element in elements:
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element_lower = element.lower()
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s = u'<{element}>{content}</{element}>'.format(element=element,
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content=content)
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self._run_check(s, [("starttag", element_lower, []),
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("data", content),
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("endtag", element_lower)])
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2011-11-18 12:00:40 -04:00
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def test_cdata_with_closing_tags(self):
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# see issue #13358
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# make sure that HTMLParser calls handle_data only once for each CDATA.
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# The normal event collector normalizes the events in get_events,
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# so we override it to return the original list of events.
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class Collector(EventCollector):
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def get_events(self):
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return self.events
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content = """<!-- not a comment --> ¬-an-entity-ref;
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<a href="" /> </p><p> & <span></span></style>
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'</script' + '>' </html> </head> </scripter>!"""
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for element in [' script', 'script ', ' script ',
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'\nscript', 'script\n', '\nscript\n']:
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s = u'<script>{content}</{element}>'.format(element=element,
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content=content)
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self._run_check(s, [("starttag", "script", []),
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("data", content),
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("endtag", "script")],
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collector=Collector)
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2010-05-24 18:33:24 -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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2010-12-28 12:05:07 -04:00
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def test_unescape_function(self):
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parser = HTMLParser.HTMLParser()
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self.assertEqual(parser.unescape('&#bad;'),'&#bad;')
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self.assertEqual(parser.unescape('&'),'&')
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2001-05-18 12:32:59 -03:00
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2011-11-07 20:07:18 -04:00
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class AttributesTestCase(TestCaseBase):
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def test_attr_syntax(self):
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output = [
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("starttag", "a", [("b", "v"), ("c", "v"), ("d", "v"), ("e", None)])
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]
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self._run_check("""<a b='v' c="v" d=v e>""", output)
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self._run_check("""<a b = 'v' c = "v" d = v e>""", output)
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self._run_check("""<a\nb\n=\n'v'\nc\n=\n"v"\nd\n=\nv\ne>""", output)
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self._run_check("""<a\tb\t=\t'v'\tc\t=\t"v"\td\t=\tv\te>""", output)
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def test_attr_values(self):
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self._run_check("""<a b='xxx\n\txxx' c="yyy\t\nyyy" d='\txyz\n'>""",
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[("starttag", "a", [("b", "xxx\n\txxx"),
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("c", "yyy\t\nyyy"),
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("d", "\txyz\n")])])
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self._run_check("""<a b='' c="">""",
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[("starttag", "a", [("b", ""), ("c", "")])])
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# Regression test for SF patch #669683.
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self._run_check("<e a=rgb(1,2,3)>",
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[("starttag", "e", [("a", "rgb(1,2,3)")])])
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# Regression test for SF bug #921657.
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self._run_check(
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"<a href=mailto:xyz@example.com>",
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[("starttag", "a", [("href", "mailto:xyz@example.com")])])
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def test_attr_nonascii(self):
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# see issue 7311
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self._run_check(
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u"<img src=/foo/bar.png alt=\u4e2d\u6587>",
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[("starttag", "img", [("src", "/foo/bar.png"),
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("alt", u"\u4e2d\u6587")])])
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self._run_check(
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u"<a title='\u30c6\u30b9\u30c8' href='\u30c6\u30b9\u30c8.html'>",
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[("starttag", "a", [("title", u"\u30c6\u30b9\u30c8"),
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("href", u"\u30c6\u30b9\u30c8.html")])])
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self._run_check(
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u'<a title="\u30c6\u30b9\u30c8" href="\u30c6\u30b9\u30c8.html">',
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[("starttag", "a", [("title", u"\u30c6\u30b9\u30c8"),
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("href", u"\u30c6\u30b9\u30c8.html")])])
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def test_attr_entity_replacement(self):
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self._run_check(
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"<a b='&><"''>",
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[("starttag", "a", [("b", "&><\"'")])])
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def test_attr_funky_names(self):
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|
self._run_check(
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"<a a.b='v' c:d=v e-f=v>",
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|
[("starttag", "a", [("a.b", "v"), ("c:d", "v"), ("e-f", "v")])])
|
2011-11-14 12:04:05 -04:00
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|
self._run_check(
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|
"<a $><b $=%><c \=/>",
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|
[("starttag", "a", [("$", None)]),
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("starttag", "b", [("$", "%")]),
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|
("starttag", "c", [("\\", "/")])])
|
2011-11-07 20:07:18 -04:00
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|
|
def test_entityrefs_in_attributes(self):
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|
self._run_check(
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|
"<html foo='€&aa&unsupported;'>",
|
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|
|
|
[("starttag", "html", [("foo", u"\u20AC&aa&unsupported;")])])
|
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|
2011-11-14 12:04:05 -04:00
|
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|
def test_entities_in_attribute_value(self):
|
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|
|
|
# see #1200313
|
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|
|
|
for entity in ['&', '&', '&', '&']:
|
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|
|
|
self._run_check('<a href="%s">' % entity,
|
|
|
|
|
[("starttag", "a", [("href", "&")])])
|
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|
|
|
self._run_check("<a href='%s'>" % entity,
|
|
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|
|
[("starttag", "a", [("href", "&")])])
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|
|
|
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', u"test'\xa0style='color:red;bad3'")]),
|
|
|
|
|
('data', 'test - bad3'), ('endtag', 'a'),
|
|
|
|
|
('starttag', 'a', [('href', u"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")])
|
|
|
|
|
|
|
|
|
|
|
2001-09-24 17:19:08 -03:00
|
|
|
def test_main():
|
2011-11-07 20:07:18 -04:00
|
|
|
test_support.run_unittest(HTMLParserTestCase, AttributesTestCase)
|
2001-09-24 17:19:08 -03:00
|
|
|
|
|
|
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
|
|
test_main()
|
