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			770 lines
		
	
	
	
		
			32 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			770 lines
		
	
	
	
		
			32 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
"""Tests for HTMLParser.py."""
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import html.parser
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import pprint
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import unittest
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from test import support
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class EventCollector(html.parser.HTMLParser):
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    def __init__(self, *args, **kw):
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        self.events = []
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        self.append = self.events.append
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        html.parser.HTMLParser.__init__(self, *args, **kw)
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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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    def unknown_decl(self, decl):
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        self.append(("unknown decl", decl))
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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 EventCollectorCharrefs(EventCollector):
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    def get_events(self):
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        return self.events
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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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class TestCaseBase(unittest.TestCase):
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    def get_collector(self):
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        return EventCollector(convert_charrefs=False)
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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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        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" +
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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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    def _run_check_extra(self, source, events):
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        self._run_check(source, events,
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                        EventCollectorExtra(convert_charrefs=False))
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class HTMLParserTestCase(TestCaseBase):
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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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        self._run_check("<?processing instruction ?>", [
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            ("pi", "processing instruction ?"),
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            ])
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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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</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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    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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        # 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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    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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    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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        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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    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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    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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    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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        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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    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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    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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    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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    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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            '<!-- \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 = '<{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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    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' + '>'"""
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        for element in [' script', 'script ', ' script ',
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                        '\nscript', 'script\n', '\nscript\n']:
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            element_lower = element.lower().strip()
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            s = '<script>{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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                            collector=Collector(convert_charrefs=False))
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    def test_comments(self):
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        html = ("<!-- I'm a valid comment -->"
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                '<!--me too!-->'
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                '<!------>'
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                '<!---->'
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                '<!----I have many hyphens---->'
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                '<!-- I have a > in the middle -->'
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                '<!-- and I have -- in the middle! -->')
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        expected = [('comment', " I'm a valid comment "),
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                    ('comment', 'me too!'),
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                    ('comment', '--'),
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                    ('comment', ''),
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                    ('comment', '--I have many hyphens--'),
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                    ('comment', ' I have a > in the middle '),
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                    ('comment', ' and I have -- in the middle! ')]
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        self._run_check(html, expected)
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    def test_condcoms(self):
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        html = ('<!--[if IE & !(lte IE 8)]>aren\'t<![endif]-->'
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                '<!--[if IE 8]>condcoms<![endif]-->'
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                '<!--[if lte IE 7]>pretty?<![endif]-->')
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        expected = [('comment', "[if IE & !(lte IE 8)]>aren't<![endif]"),
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                    ('comment', '[if IE 8]>condcoms<![endif]'),
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                    ('comment', '[if lte IE 7]>pretty?<![endif]')]
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        self._run_check(html, expected)
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    def test_convert_charrefs(self):
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        # default value for convert_charrefs is now True
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        collector = lambda: EventCollectorCharrefs()
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        self.assertTrue(collector().convert_charrefs)
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        charrefs = ['"', '"', '"', '"', '"', '"']
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        # check charrefs in the middle of the text/attributes
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        expected = [('starttag', 'a', [('href', 'foo"zar')]),
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                    ('data', 'a"z'), ('endtag', 'a')]
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        for charref in charrefs:
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            self._run_check('<a href="foo{0}zar">a{0}z</a>'.format(charref),
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                            expected, collector=collector())
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        # check charrefs at the beginning/end of the text/attributes
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        expected = [('data', '"'),
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                    ('starttag', 'a', [('x', '"'), ('y', '"X'), ('z', 'X"')]),
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                    ('data', '"'), ('endtag', 'a'), ('data', '"')]
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        for charref in charrefs:
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            self._run_check('{0}<a x="{0}" y="{0}X" z="X{0}">'
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                            '{0}</a>{0}'.format(charref),
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                            expected, collector=collector())
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        # check charrefs in <script>/<style> elements
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        for charref in charrefs:
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            text = 'X'.join([charref]*3)
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            expected = [('data', '"'),
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                        ('starttag', 'script', []), ('data', text),
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                        ('endtag', 'script'), ('data', '"'),
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                        ('starttag', 'style', []), ('data', text),
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                        ('endtag', 'style'), ('data', '"')]
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            self._run_check('{1}<script>{0}</script>{1}'
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                            '<style>{0}</style>{1}'.format(text, charref),
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                            expected, collector=collector())
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        # check truncated charrefs at the end of the file
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        html = '&quo &# &#x'
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        for x in range(1, len(html)):
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            self._run_check(html[:x], [('data', html[:x])],
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                            collector=collector())
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        # check a string with no charrefs
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        self._run_check('no charrefs here', [('data', 'no charrefs here')],
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                        collector=collector())
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    # the remaining tests were for the "tolerant" parser (which is now
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    # the default), and check various kind of broken markup
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    def test_tolerant_parsing(self):
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        self._run_check('<html <html>te>>xt&a<<bc</a></html>\n'
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                        '<img src="URL><//img></html</html>', [
 | 
						|
                            ('starttag', 'html', [('<html', None)]),
 | 
						|
                            ('data', 'te>>xt'),
 | 
						|
                            ('entityref', 'a'),
 | 
						|
                            ('data', '<'),
 | 
						|
                            ('starttag', 'bc<', [('a', None)]),
 | 
						|
                            ('endtag', 'html'),
 | 
						|
                            ('data', '\n<img src="URL>'),
 | 
						|
                            ('comment', '/img'),
 | 
						|
                            ('endtag', 'html<')])
 | 
						|
 | 
						|
    def test_starttag_junk_chars(self):
 | 
						|
        self._run_check("</>", [])
 | 
						|
        self._run_check("</$>", [('comment', '$')])
 | 
						|
        self._run_check("</", [('data', '</')])
 | 
						|
        self._run_check("</a", [('data', '</a')])
 | 
						|
        self._run_check("<a<a>", [('starttag', 'a<a', [])])
 | 
						|
        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='>")])
 | 
						|
        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', [])])
 | 
						|
 | 
						|
    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)
 | 
						|
        #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)
 | 
						|
 | 
						|
    def test_declaration_junk_chars(self):
 | 
						|
        self._run_check("<!DOCTYPE foo $ >", [('decl', 'DOCTYPE foo $ ')])
 | 
						|
 | 
						|
    def test_illegal_declarations(self):
 | 
						|
        self._run_check('<!spacer type="block" height="25">',
 | 
						|
                        [('comment', 'spacer type="block" height="25"')])
 | 
						|
 | 
						|
    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):
 | 
						|
        self._run_check('<form action="/xxx.php?a=1&b=2&", '
 | 
						|
                        'method="post">', [
 | 
						|
                            ('starttag', 'form',
 | 
						|
                                [('action', '/xxx.php?a=1&b=2&'),
 | 
						|
                                 (',', None), ('method', 'post')])])
 | 
						|
 | 
						|
    def test_weird_chars_in_unquoted_attribute_values(self):
 | 
						|
        self._run_check('<form action=bogus|&#()value>', [
 | 
						|
                            ('starttag', 'form',
 | 
						|
                                [('action', 'bogus|&#()value')])])
 | 
						|
 | 
						|
    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)
 | 
						|
 | 
						|
    def test_correct_detection_of_start_tags(self):
 | 
						|
        # see #13273
 | 
						|
        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')
 | 
						|
        ]
 | 
						|
        self._run_check(html, expected)
 | 
						|
 | 
						|
        html = '<div style="", foo = "bar" ><b>The <a href="some_url">rain</a>'
 | 
						|
        expected = [
 | 
						|
            ('starttag', 'div', [('style', ''), (',', None), ('foo', 'bar')]),
 | 
						|
            ('starttag', 'b', []),
 | 
						|
            ('data', 'The '),
 | 
						|
            ('starttag', 'a', [('href', 'some_url')]),
 | 
						|
            ('data', 'rain'),
 | 
						|
            ('endtag', 'a'),
 | 
						|
        ]
 | 
						|
        self._run_check(html, expected)
 | 
						|
 | 
						|
    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)
 | 
						|
 | 
						|
    def test_unescape_method(self):
 | 
						|
        from html import unescape
 | 
						|
        p = self.get_collector()
 | 
						|
        with self.assertWarns(DeprecationWarning):
 | 
						|
            s = '""""""&#bad;'
 | 
						|
            self.assertEqual(p.unescape(s), unescape(s))
 | 
						|
 | 
						|
    def test_broken_comments(self):
 | 
						|
        html = ('<! not really a comment >'
 | 
						|
                '<! not a comment either -->'
 | 
						|
                '<! -- close enough -->'
 | 
						|
                '<!><!<-- this was an empty comment>'
 | 
						|
                '<!!! another bogus comment !!!>')
 | 
						|
        expected = [
 | 
						|
            ('comment', ' not really a comment '),
 | 
						|
            ('comment', ' not a comment either --'),
 | 
						|
            ('comment', ' -- close enough --'),
 | 
						|
            ('comment', ''),
 | 
						|
            ('comment', '<-- this was an empty comment'),
 | 
						|
            ('comment', '!! another bogus comment !!!'),
 | 
						|
        ]
 | 
						|
        self._run_check(html, expected)
 | 
						|
 | 
						|
    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)
 | 
						|
 | 
						|
 | 
						|
class AttributesTestCase(TestCaseBase):
 | 
						|
 | 
						|
    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;")])])
 | 
						|
 | 
						|
 | 
						|
    def test_attr_funky_names2(self):
 | 
						|
        self._run_check(
 | 
						|
            "<a $><b $=%><c \=/>",
 | 
						|
            [("starttag", "a", [("$", 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")])
 | 
						|
 | 
						|
 | 
						|
if __name__ == "__main__":
 | 
						|
    unittest.main()
 |