| """Tests for HTMLParser.py.""" |
| |
| import html.parser |
| import pprint |
| import unittest |
| |
| from test import support |
| |
| |
| class EventCollector(html.parser.HTMLParser): |
| |
| def __init__(self, *args, autocdata=False, **kw): |
| self.autocdata = autocdata |
| self.events = [] |
| self.append = self.events.append |
| html.parser.HTMLParser.__init__(self, *args, **kw) |
| if autocdata: |
| self._set_support_cdata(False) |
| |
| def get_events(self): |
| # Normalize the list of events so that buffer artefacts don't |
| # separate runs of contiguous characters. |
| L = [] |
| prevtype = None |
| for event in self.events: |
| type = event[0] |
| if type == prevtype == "data": |
| L[-1] = ("data", L[-1][1] + event[1]) |
| else: |
| L.append(event) |
| prevtype = type |
| self.events = L |
| return L |
| |
| # structure markup |
| |
| def handle_starttag(self, tag, attrs): |
| self.append(("starttag", tag, attrs)) |
| if self.autocdata and tag == 'svg': |
| self._set_support_cdata(True) |
| |
| def handle_startendtag(self, tag, attrs): |
| self.append(("startendtag", tag, attrs)) |
| |
| def handle_endtag(self, tag): |
| self.append(("endtag", tag)) |
| if self.autocdata and tag == 'svg': |
| self._set_support_cdata(False) |
| |
| # all other markup |
| |
| def handle_comment(self, data): |
| self.append(("comment", data)) |
| |
| def handle_charref(self, data): |
| self.append(("charref", data)) |
| |
| def handle_data(self, data): |
| self.append(("data", data)) |
| |
| def handle_decl(self, data): |
| self.append(("decl", data)) |
| |
| def handle_entityref(self, data): |
| self.append(("entityref", data)) |
| |
| def handle_pi(self, data): |
| self.append(("pi", data)) |
| |
| def unknown_decl(self, decl): |
| self.append(("unknown decl", decl)) |
| |
| |
| class EventCollectorExtra(EventCollector): |
| |
| def handle_starttag(self, tag, attrs): |
| EventCollector.handle_starttag(self, tag, attrs) |
| self.append(("starttag_text", self.get_starttag_text())) |
| |
| |
| class EventCollectorCharrefs(EventCollector): |
| |
| def handle_charref(self, data): |
| self.fail('This should never be called with convert_charrefs=True') |
| |
| def handle_entityref(self, data): |
| self.fail('This should never be called with convert_charrefs=True') |
| |
| |
| # The normal event collector normalizes the events in get_events, |
| # so we override it to return the original list of events. |
| class EventCollectorNoNormalize(EventCollector): |
| def get_events(self): |
| return self.events |
| |
| |
| class TestCaseBase(unittest.TestCase): |
| |
| def get_collector(self): |
| return EventCollector(convert_charrefs=False) |
| |
| def _run_check(self, source, expected_events, collector=None): |
| if collector is None: |
| collector = self.get_collector() |
| parser = collector |
| for s in source: |
| parser.feed(s) |
| parser.close() |
| events = parser.get_events() |
| if events != expected_events: |
| self.fail("received events did not match expected events" + |
| "\nSource:\n" + repr(source) + |
| "\nExpected:\n" + pprint.pformat(expected_events) + |
| "\nReceived:\n" + pprint.pformat(events)) |
| |
| def _run_check_extra(self, source, events): |
| self._run_check(source, events, |
| EventCollectorExtra(convert_charrefs=False)) |
| |
| |
| class HTMLParserTestCase(TestCaseBase): |
| |
| def test_processing_instruction_only(self): |
| self._run_check("<?processing instruction>", [ |
| ("pi", "processing instruction"), |
| ]) |
| self._run_check("<?processing instruction ?>", [ |
| ("pi", "processing instruction ?"), |
| ]) |
| |
| def test_simple_html(self): |
| self._run_check(""" |
| <!DOCTYPE html PUBLIC 'foo'> |
| <HTML>&entity;  |
| <!--comment1a |
| -></foo><bar><<?pi?></foo<bar |
| comment1b--> |
| <Img sRc='Bar' isMAP>sample |
| text |
| “ |
| <!--comment2a-- --comment2b--> |
| </Html> |
| """, [ |
| ("data", "\n"), |
| ("decl", "DOCTYPE html PUBLIC 'foo'"), |
| ("data", "\n"), |
| ("starttag", "html", []), |
| ("entityref", "entity"), |
| ("charref", "32"), |
| ("data", "\n"), |
| ("comment", "comment1a\n-></foo><bar><<?pi?></foo<bar\ncomment1b"), |
| ("data", "\n"), |
| ("starttag", "img", [("src", "Bar"), ("ismap", None)]), |
| ("data", "sample\ntext\n"), |
| ("charref", "x201C"), |
| ("data", "\n"), |
| ("comment", "comment2a-- --comment2b"), |
| ("data", "\n"), |
| ("endtag", "html"), |
| ("data", "\n"), |
| ]) |
| |
| def test_malformatted_charref(self): |
| self._run_check("<p>&#bad;</p>", [ |
| ("starttag", "p", []), |
| ("data", "&#bad;"), |
| ("endtag", "p"), |
| ]) |
| # add the [] as a workaround to avoid buffering (see #20288) |
| self._run_check(["<div>&#bad;</div>"], [ |
| ("starttag", "div", []), |
| ("data", "&#bad;"), |
| ("endtag", "div"), |
| ]) |
| |
| def test_unclosed_entityref(self): |
| self._run_check("&entityref foo", [ |
| ("entityref", "entityref"), |
| ("data", " foo"), |
| ]) |
| |
| def test_bad_nesting(self): |
| # Strangely, this *is* supposed to test that overlapping |
| # elements are allowed. HTMLParser is more geared toward |
| # lexing the input that parsing the structure. |
| self._run_check("<a><b></a></b>", [ |
| ("starttag", "a", []), |
| ("starttag", "b", []), |
| ("endtag", "a"), |
| ("endtag", "b"), |
| ]) |
| |
| def test_bare_ampersands(self): |
| self._run_check("this text & contains & ampersands &", [ |
| ("data", "this text & contains & ampersands &"), |
| ]) |
| |
| def test_bare_pointy_brackets(self): |
| self._run_check("this < text > contains < bare>pointy< brackets", [ |
| ("data", "this < text > contains < bare>pointy< brackets"), |
| ]) |
| |
| def test_starttag_end_boundary(self): |
| self._run_check("""<a b='<'>""", [("starttag", "a", [("b", "<")])]) |
| self._run_check("""<a b='>'>""", [("starttag", "a", [("b", ">")])]) |
| |
| def test_buffer_artefacts(self): |
| output = [("starttag", "a", [("b", "<")])] |
| self._run_check(["<a b='<'>"], output) |
| self._run_check(["<a ", "b='<'>"], output) |
| self._run_check(["<a b", "='<'>"], output) |
| self._run_check(["<a b=", "'<'>"], output) |
| self._run_check(["<a b='<", "'>"], output) |
| self._run_check(["<a b='<'", ">"], output) |
| |
| output = [("starttag", "a", [("b", ">")])] |
| self._run_check(["<a b='>'>"], output) |
| self._run_check(["<a ", "b='>'>"], output) |
| self._run_check(["<a b", "='>'>"], output) |
| self._run_check(["<a b=", "'>'>"], output) |
| self._run_check(["<a b='>", "'>"], output) |
| self._run_check(["<a b='>'", ">"], output) |
| |
| output = [("comment", "abc")] |
| self._run_check(["", "<!--abc-->"], output) |
| self._run_check(["<", "!--abc-->"], output) |
| self._run_check(["<!", "--abc-->"], output) |
| self._run_check(["<!-", "-abc-->"], output) |
| self._run_check(["<!--", "abc-->"], output) |
| self._run_check(["<!--a", "bc-->"], output) |
| self._run_check(["<!--ab", "c-->"], output) |
| self._run_check(["<!--abc", "-->"], output) |
| self._run_check(["<!--abc-", "->"], output) |
| self._run_check(["<!--abc--", ">"], output) |
| self._run_check(["<!--abc-->", ""], output) |
| |
| def test_valid_doctypes(self): |
| # from http://www.w3.org/QA/2002/04/valid-dtd-list.html |
| dtds = ['HTML', # HTML5 doctype |
| ('HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ' |
| '"http://www.w3.org/TR/html4/strict.dtd"'), |
| ('HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" ' |
| '"http://www.w3.org/TR/html4/loose.dtd"'), |
| ('html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" ' |
| '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"'), |
| ('html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" ' |
| '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd"'), |
| ('math PUBLIC "-//W3C//DTD MathML 2.0//EN" ' |
| '"http://www.w3.org/Math/DTD/mathml2/mathml2.dtd"'), |
| ('html PUBLIC "-//W3C//DTD ' |
| 'XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" ' |
| '"http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd"'), |
| ('svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ' |
| '"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"'), |
| 'html PUBLIC "-//IETF//DTD HTML 2.0//EN"', |
| 'html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"'] |
| for dtd in dtds: |
| self._run_check("<!DOCTYPE %s>" % dtd, |
| [('decl', 'DOCTYPE ' + dtd)]) |
| |
| def test_startendtag(self): |
| self._run_check("<p/>", [ |
| ("startendtag", "p", []), |
| ]) |
| self._run_check("<p></p>", [ |
| ("starttag", "p", []), |
| ("endtag", "p"), |
| ]) |
| self._run_check("<p><img src='foo' /></p>", [ |
| ("starttag", "p", []), |
| ("startendtag", "img", [("src", "foo")]), |
| ("endtag", "p"), |
| ]) |
| |
| def test_get_starttag_text(self): |
| s = """<foo:bar \n one="1"\ttwo=2 >""" |
| self._run_check_extra(s, [ |
| ("starttag", "foo:bar", [("one", "1"), ("two", "2")]), |
| ("starttag_text", s)]) |
| |
| @support.subTests('content', [ |
| '<!-- not a comment --> ¬-an-entity-ref;', |
| "<not a='start tag'>", |
| '<a href="" /> <p> <span></span>', |
| 'foo = "</scr" + "ipt>";', |
| 'foo = "</SCRIPT" + ">";', |
| 'foo = <\n/script> ', |
| '<!-- document.write("</scr" + "ipt>"); -->', |
| ('\n//<![CDATA[\n' |
| 'document.write(\'<s\'+\'cript type="text/javascript" ' |
| 'src="http://www.example.org/r=\'+new ' |
| 'Date().getTime()+\'"><\\/s\'+\'cript>\');\n//]]>'), |
| '\n<!-- //\nvar foo = 3.14;\n// -->\n', |
| '<!-- \u2603 -->', |
| 'foo = "</ script>"', |
| 'foo = "</scripture>"', |
| 'foo = "</script\v>"', |
| 'foo = "</script\xa0>"', |
| 'foo = "</Å¿cript>"', |
| 'foo = "</scrıpt>"', |
| ]) |
| def test_script_content(self, content): |
| s = f'<script>{content}</script>' |
| self._run_check(s, [("starttag", "script", []), |
| ("data", content), |
| ("endtag", "script")]) |
| |
| @support.subTests('content', [ |
| 'a::before { content: "<!-- not a comment -->"; }', |
| 'a::before { content: "¬-an-entity-ref;"; }', |
| 'a::before { content: "<not a=\'start tag\'>"; }', |
| 'a::before { content: "\u2603"; }', |
| 'a::before { content: "< /style>"; }', |
| 'a::before { content: "</ style>"; }', |
| 'a::before { content: "</styled>"; }', |
| 'a::before { content: "</style\v>"; }', |
| 'a::before { content: "</style\xa0>"; }', |
| 'a::before { content: "</Å¿tyle>"; }', |
| ]) |
| def test_style_content(self, content): |
| s = f'<style>{content}</style>' |
| self._run_check(s, [("starttag", "style", []), |
| ("data", content), |
| ("endtag", "style")]) |
| |
| @support.subTests('content', [ |
| '<!-- not a comment -->', |
| "<not a='start tag'>", |
| '<![CDATA[not a cdata]]>', |
| '<!not a bogus comment>', |
| '</not a bogus comment>', |
| '\u2603', |
| '< /title>', |
| '</ title>', |
| '</titled>', |
| '</title\v>', |
| '</title\xa0>', |
| '</tıtle>', |
| ]) |
| def test_title_content(self, content): |
| source = f"<title>{content}</title>" |
| self._run_check(source, [ |
| ("starttag", "title", []), |
| ("data", content), |
| ("endtag", "title"), |
| ]) |
| |
| @support.subTests('content', [ |
| '<!-- not a comment -->', |
| "<not a='start tag'>", |
| '<![CDATA[not a cdata]]>', |
| '<!not a bogus comment>', |
| '</not a bogus comment>', |
| '\u2603', |
| '< /textarea>', |
| '</ textarea>', |
| '</textareable>', |
| '</textarea\v>', |
| '</textarea\xa0>', |
| ]) |
| def test_textarea_content(self, content): |
| source = f"<textarea>{content}</textarea>" |
| self._run_check(source, [ |
| ("starttag", "textarea", []), |
| ("data", content), |
| ("endtag", "textarea"), |
| ]) |
| |
| @support.subTests('endtag', ['script', 'SCRIPT', 'script ', 'script\n', |
| 'script/', 'script foo=bar', 'script foo=">"']) |
| def test_script_closing_tag(self, endtag): |
| # see issue #13358 |
| # make sure that HTMLParser calls handle_data only once for each CDATA. |
| content = """<!-- not a comment --> ¬-an-entity-ref; |
| <a href="" /> </p><p> <span></span></style> |
| '</script' + '>'""" |
| s = f'<ScrIPt>{content}</{endtag}>' |
| self._run_check(s, [("starttag", "script", []), |
| ("data", content), |
| ("endtag", "script")], |
| collector=EventCollectorNoNormalize(convert_charrefs=False)) |
| |
| @support.subTests('endtag', ['style', 'STYLE', 'style ', 'style\n', |
| 'style/', 'style foo=bar', 'style foo=">"']) |
| def test_style_closing_tag(self, endtag): |
| content = """ |
| b::before { content: "<!-- not a comment -->"; } |
| p::before { content: "¬-an-entity-ref;"; } |
| a::before { content: "<i>"; } |
| a::after { content: "</i>"; } |
| """ |
| s = f'<StyLE>{content}</{endtag}>' |
| self._run_check(s, [("starttag", "style", []), |
| ("data", content), |
| ("endtag", "style")], |
| collector=EventCollectorNoNormalize(convert_charrefs=False)) |
| |
| @support.subTests('endtag', ['title', 'TITLE', 'title ', 'title\n', |
| 'title/', 'title foo=bar', 'title foo=">"']) |
| def test_title_closing_tag(self, endtag): |
| content = "<!-- not a comment --><i>Egg & Spam</i>" |
| s = f'<TitLe>{content}</{endtag}>' |
| self._run_check(s, [("starttag", "title", []), |
| ('data', '<!-- not a comment --><i>Egg & Spam</i>'), |
| ("endtag", "title")], |
| collector=EventCollectorNoNormalize(convert_charrefs=True)) |
| self._run_check(s, [("starttag", "title", []), |
| ('data', '<!-- not a comment --><i>Egg '), |
| ('entityref', 'amp'), |
| ('data', ' Spam</i>'), |
| ("endtag", "title")], |
| collector=EventCollectorNoNormalize(convert_charrefs=False)) |
| |
| @support.subTests('endtag', ['textarea', 'TEXTAREA', 'textarea ', 'textarea\n', |
| 'textarea/', 'textarea foo=bar', 'textarea foo=">"']) |
| def test_textarea_closing_tag(self, endtag): |
| content = "<!-- not a comment --><i>Egg & Spam</i>" |
| s = f'<TexTarEa>{content}</{endtag}>' |
| self._run_check(s, [("starttag", "textarea", []), |
| ('data', '<!-- not a comment --><i>Egg & Spam</i>'), |
| ("endtag", "textarea")], |
| collector=EventCollectorNoNormalize(convert_charrefs=True)) |
| self._run_check(s, [("starttag", "textarea", []), |
| ('data', '<!-- not a comment --><i>Egg '), |
| ('entityref', 'amp'), |
| ('data', ' Spam</i>'), |
| ("endtag", "textarea")], |
| collector=EventCollectorNoNormalize(convert_charrefs=False)) |
| |
| @support.subTests('tail,end', [ |
| ('', False), |
| ('<', False), |
| ('</', False), |
| ('</s', False), |
| ('</script', False), |
| ('</script ', True), |
| ('</script foo=bar', True), |
| ('</script foo=">', True), |
| ]) |
| def test_eof_in_script(self, tail, end): |
| content = "a = 123" |
| s = f'<ScrIPt>{content}{tail}' |
| self._run_check(s, [("starttag", "script", []), |
| ("data", content if end else content + tail)], |
| collector=EventCollectorNoNormalize(convert_charrefs=False)) |
| |
| @support.subTests('tail,end', [ |
| ('', False), |
| ('<', False), |
| ('</', False), |
| ('</t', False), |
| ('</title', False), |
| ('</title ', True), |
| ('</title foo=bar', True), |
| ('</title foo=">', True), |
| ]) |
| def test_eof_in_title(self, tail, end): |
| s = f'<TitLe>Egg & Spam{tail}' |
| self._run_check(s, [("starttag", "title", []), |
| ("data", "Egg & Spam" + ('' if end else tail))], |
| collector=EventCollectorNoNormalize(convert_charrefs=True)) |
| self._run_check(s, [("starttag", "title", []), |
| ('data', 'Egg '), |
| ('entityref', 'amp'), |
| ('data', ' Spam' + ('' if end else tail))], |
| collector=EventCollectorNoNormalize(convert_charrefs=False)) |
| |
| def test_comments(self): |
| html = ("<!-- I'm a valid comment -->" |
| '<!--me too!-->' |
| '<!------>' |
| '<!----->' |
| '<!---->' |
| # abrupt-closing-of-empty-comment |
| '<!--->' |
| '<!-->' |
| '<!----I have many hyphens---->' |
| '<!-- I have a > in the middle -->' |
| '<!-- and I have -- in the middle! -->' |
| '<!--incorrectly-closed-comment--!>' |
| '<!----!>' |
| '<!----!-->' |
| '<!---- >-->' |
| '<!---!>-->' |
| '<!--!>-->' |
| # nested-comment |
| '<!-- <!-- nested --> -->' |
| '<!--<!-->' |
| '<!--<!--!>' |
| ) |
| expected = [('comment', " I'm a valid comment "), |
| ('comment', 'me too!'), |
| ('comment', '--'), |
| ('comment', '-'), |
| ('comment', ''), |
| ('comment', ''), |
| ('comment', ''), |
| ('comment', '--I have many hyphens--'), |
| ('comment', ' I have a > in the middle '), |
| ('comment', ' and I have -- in the middle! '), |
| ('comment', 'incorrectly-closed-comment'), |
| ('comment', ''), |
| ('comment', '--!'), |
| ('comment', '-- >'), |
| ('comment', '-!>'), |
| ('comment', '!>'), |
| ('comment', ' <!-- nested '), ('data', ' -->'), |
| ('comment', '<!'), |
| ('comment', '<!'), |
| ] |
| self._run_check(html, expected) |
| |
| 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) |
| |
| def test_convert_charrefs(self): |
| # default value for convert_charrefs is now True |
| collector = lambda: EventCollectorCharrefs() |
| 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()) |
| |
| # the remaining tests were for the "tolerant" parser (which is now |
| # the default), and check various kind of broken markup |
| def test_tolerant_parsing(self): |
| self._run_check('<html <html>te>>xt&a<<bc</a></html>\n' |
| '<img src="URL><//img></html</html>', [ |
| ('starttag', 'html', [('<html', None)]), |
| ('data', 'te>>xt'), |
| ('entityref', 'a'), |
| ('data', '<'), |
| ('starttag', 'bc<', [('a', None)]), |
| ('endtag', 'html'), |
| ('data', '\n')]) |
| |
| def test_starttag_junk_chars(self): |
| self._run_check("<", [('data', '<')]) |
| self._run_check("<>", [('data', '<>')]) |
| self._run_check("< >", [('data', '< >')]) |
| self._run_check("< ", [('data', '< ')]) |
| self._run_check("</>", []) |
| self._run_check("<$>", [('data', '<$>')]) |
| self._run_check("</$>", [('comment', '$')]) |
| self._run_check("</", [('data', '</')]) |
| self._run_check("</a", []) |
| self._run_check("</ a>", [('comment', ' a')]) |
| self._run_check("</ a", [('comment', ' a')]) |
| self._run_check("<a<a>", [('starttag', 'a<a', [])]) |
| self._run_check("</a<a>", [('endtag', 'a<a')]) |
| self._run_check("<!", [('comment', '')]) |
| self._run_check("<a", []) |
| self._run_check("<a foo='bar'", []) |
| self._run_check("<a foo='bar", []) |
| self._run_check("<a foo='>'", []) |
| self._run_check("<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', [])]) |
| self._run_check("</a$b>", [('endtag', 'a$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_slashes_in_endtag(self): |
| self._run_check('</a/>', [('endtag', 'a')]) |
| self._run_check('</a foo="var"/>', [('endtag', 'a')]) |
| |
| 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_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): |
| 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_eof_in_comments(self): |
| data = [ |
| ('<!--', [('comment', '')]), |
| ('<!---', [('comment', '')]), |
| ('<!----', [('comment', '')]), |
| ('<!-----', [('comment', '-')]), |
| ('<!------', [('comment', '--')]), |
| ('<!----!', [('comment', '')]), |
| ('<!---!', [('comment', '-!')]), |
| ('<!---!>', [('comment', '-!>')]), |
| ('<!--foo', [('comment', 'foo')]), |
| ('<!--foo-', [('comment', 'foo')]), |
| ('<!--foo--', [('comment', 'foo')]), |
| ('<!--foo--!', [('comment', 'foo')]), |
| ('<!--<!--', [('comment', '<!')]), |
| ('<!--<!--!', [('comment', '<!')]), |
| ] |
| for html, expected in data: |
| self._run_check(html, expected) |
| |
| def test_eof_in_declarations(self): |
| data = [ |
| ('<!', [('comment', '')]), |
| ('<!-', [('comment', '-')]), |
| ('<![', [('comment', '[')]), |
| ('<!DOCTYPE', [('decl', 'DOCTYPE')]), |
| ('<!DOCTYPE ', [('decl', 'DOCTYPE ')]), |
| ('<!DOCTYPE html', [('decl', 'DOCTYPE html')]), |
| ('<!DOCTYPE html ', [('decl', 'DOCTYPE html ')]), |
| ('<!DOCTYPE html PUBLIC', [('decl', 'DOCTYPE html PUBLIC')]), |
| ('<!DOCTYPE html PUBLIC "foo', [('decl', 'DOCTYPE html PUBLIC "foo')]), |
| ('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "foo', |
| [('decl', 'DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "foo')]), |
| ] |
| for html, expected in data: |
| self._run_check(html, expected) |
| |
| @support.subTests('content', ['', 'x', 'x]', 'x]]']) |
| def test_eof_in_cdata(self, content): |
| self._run_check('<![CDATA[' + content, |
| [('unknown decl', 'CDATA[' + content)]) |
| self._run_check('<![CDATA[' + content, |
| [('comment', '[CDATA[' + content)], |
| collector=EventCollector(autocdata=True)) |
| self._run_check('<svg><text y="100"><![CDATA[' + content, |
| [('starttag', 'svg', []), |
| ('starttag', 'text', [('y', '100')]), |
| ('unknown decl', 'CDATA[' + content)]) |
| |
| def test_bogus_comments(self): |
| html = ('<!ELEMENT br EMPTY>' |
| '<! not really a comment >' |
| '<! not a comment either -->' |
| '<! -- close enough -->' |
| '<!><!<-- this was an empty comment>' |
| '<!!! another bogus comment !!!>') |
| expected = [ |
| ('comment', 'ELEMENT br EMPTY'), |
| ('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) |
| |
| @support.subTests('content', [ |
| 'just some plain text', |
| '<!-- not a comment -->', |
| '¬-an-entity-ref;', |
| "<not a='start tag'>", |
| '', |
| '[[I have many brackets]]', |
| 'I have a > in the middle', |
| 'I have a ]] in the middle', |
| '] ]>', |
| ']] >', |
| ('\n' |
| ' if (a < b && a > b) {\n' |
| ' printf("[<marquee>How?</marquee>]");\n' |
| ' }\n'), |
| ]) |
| def test_cdata_section_content(self, content): |
| # See "13.2.5.42 Markup declaration open state", |
| # "13.2.5.69 CDATA section state", and issue bpo-32876. |
| html = f'<svg><text y="100"><![CDATA[{content}]]></text></svg>' |
| expected = [ |
| ('starttag', 'svg', []), |
| ('starttag', 'text', [('y', '100')]), |
| ('unknown decl', 'CDATA[' + content), |
| ('endtag', 'text'), |
| ('endtag', 'svg'), |
| ] |
| self._run_check(html, expected) |
| self._run_check(html, expected, collector=EventCollector(autocdata=True)) |
| |
| def test_cdata_section(self): |
| # See "13.2.5.42 Markup declaration open state". |
| html = ('<![CDATA[foo<br>bar]]>' |
| '<svg><text y="100"><![CDATA[foo<br>bar]]></text></svg>' |
| '<![CDATA[foo<br>bar]]>') |
| expected = [ |
| ('comment', '[CDATA[foo<br'), |
| ('data', 'bar]]>'), |
| ('starttag', 'svg', []), |
| ('starttag', 'text', [('y', '100')]), |
| ('unknown decl', 'CDATA[foo<br>bar'), |
| ('endtag', 'text'), |
| ('endtag', 'svg'), |
| ('comment', '[CDATA[foo<br'), |
| ('data', 'bar]]>'), |
| ] |
| self._run_check(html, expected, collector=EventCollector(autocdata=True)) |
| |
| 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')] |
| ) |
| |
| @support.requires_resource('cpu') |
| def test_eof_no_quadratic_complexity(self): |
| # Each of these examples used to take about an hour. |
| # Now they take a fraction of a second. |
| def check(source): |
| parser = html.parser.HTMLParser() |
| parser.feed(source) |
| parser.close() |
| n = 120_000 |
| check("<a " * n) |
| check("<a a=" * n) |
| check("</a " * 14 * n) |
| check("</a a=" * 11 * n) |
| check("<!--" * 4 * n) |
| check("<!" * 60 * n) |
| check("<?" * 19 * n) |
| check("</$" * 15 * n) |
| check("<![CDATA[" * 9 * n) |
| check("<!doctype" * 35 * n) |
| |
| |
| 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 foo==bar>", [('starttag', 'a', [('foo', '=bar')])]) |
| self._run_check("<a foo =bar>", [('starttag', 'a', [('foo', 'bar')])]) |
| self._run_check("<a foo\t=bar>", [('starttag', 'a', [('foo', 'bar')])]) |
| self._run_check("<a foo\v=bar>", [('starttag', 'a', [('foo\v', 'bar')])]) |
| self._run_check("<a foo\xa0=bar>", [('starttag', 'a', [('foo\xa0', 'bar')])]) |
| self._run_check("<a foo= bar>", [('starttag', 'a', [('foo', 'bar')])]) |
| self._run_check("<a foo=\tbar>", [('starttag', 'a', [('foo', 'bar')])]) |
| self._run_check("<a foo=\vbar>", [('starttag', 'a', [('foo', '\vbar')])]) |
| self._run_check("<a foo=\xa0bar>", [('starttag', 'a', [('foo', '\xa0bar')])]) |
| |
| 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", "")])]) |
| self._run_check("<a b=\tx c=\ny>", |
| [('starttag', 'a', [('b', 'x'), ('c', 'y')])]) |
| self._run_check("<a b=\v c=\xa0>", |
| [("starttag", "a", [("b", "\v"), ("c", "\xa0")])]) |
| # 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( |
| r"<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")]) |
| |
| 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')])]) |
| |
| if __name__ == "__main__": |
| unittest.main() |
