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gerrit-public.fairphone.software / platform / external / python / cpython3 / 724b828e7941ab801769a09b1d494cc4d9ffda3b / . / Lib / test / test_htmlparser.py
blob: 1a480c818721278b57d783ee39df965381078f79 [file] [log] [blame]
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]1"""Tests for HTMLParser.py."""
2
Mark Dickinsonf64dcf32008-05-21 13:51:18 +0000[diff] [blame]3import html.parser
Fred Drake029acfb2001-08-20 21:24:19 +0000[diff] [blame]4import pprint
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]5import unittest
Benjamin Petersonee8712c2008-05-20 21:35:26 +0000[diff] [blame]6from test import support
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]7
8
Mark Dickinsonf64dcf32008-05-21 13:51:18 +0000[diff] [blame]9class EventCollector(html.parser.HTMLParser):
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]10
R. David Murrayb579dba2010-12-03 04:06:39 +0000[diff] [blame]11 def __init__(self, *args, **kw):
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]12 self.events = []
13 self.append = self.events.append
R. David Murrayb579dba2010-12-03 04:06:39 +0000[diff] [blame]14 html.parser.HTMLParser.__init__(self, *args, **kw)
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]15
16 def get_events(self):
17 # Normalize the list of events so that buffer artefacts don't
18 # separate runs of contiguous characters.
19 L = []
20 prevtype = None
21 for event in self.events:
22 type = event[0]
23 if type == prevtype == "data":
24 L[-1] = ("data", L[-1][1] + event[1])
25 else:
26 L.append(event)
27 prevtype = type
28 self.events = L
29 return L
30
31 # structure markup
32
33 def handle_starttag(self, tag, attrs):
34 self.append(("starttag", tag, attrs))
35
36 def handle_startendtag(self, tag, attrs):
37 self.append(("startendtag", tag, attrs))
38
39 def handle_endtag(self, tag):
40 self.append(("endtag", tag))
41
42 # all other markup
43
44 def handle_comment(self, data):
45 self.append(("comment", data))
46
47 def handle_charref(self, data):
48 self.append(("charref", data))
49
50 def handle_data(self, data):
51 self.append(("data", data))
52
53 def handle_decl(self, data):
54 self.append(("decl", data))
55
56 def handle_entityref(self, data):
57 self.append(("entityref", data))
58
59 def handle_pi(self, data):
60 self.append(("pi", data))
61
Fred Drakec20a6982001-09-04 15:13:04 +0000[diff] [blame]62 def unknown_decl(self, decl):
63 self.append(("unknown decl", decl))
64
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]65
66class EventCollectorExtra(EventCollector):
67
68 def handle_starttag(self, tag, attrs):
69 EventCollector.handle_starttag(self, tag, attrs)
70 self.append(("starttag_text", self.get_starttag_text()))
71
72
Ezio Melotti95401c52013-11-23 19:52:05 +0200[diff] [blame]73class EventCollectorCharrefs(EventCollector):
74
75 def get_events(self):
76 return self.events
77
78 def handle_charref(self, data):
79 self.fail('This should never be called with convert_charrefs=True')
80
81 def handle_entityref(self, data):
82 self.fail('This should never be called with convert_charrefs=True')
83
84
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]85class TestCaseBase(unittest.TestCase):
86
Ezio Melottic1e73c32011-11-01 18:57:15 +0200[diff] [blame]87 def get_collector(self):
88 raise NotImplementedError
89
R. David Murrayb579dba2010-12-03 04:06:39 +0000[diff] [blame]90 def _run_check(self, source, expected_events, collector=None):
91 if collector is None:
Ezio Melottic1e73c32011-11-01 18:57:15 +0200[diff] [blame]92 collector = self.get_collector()
R. David Murrayb579dba2010-12-03 04:06:39 +0000[diff] [blame]93 parser = collector
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]94 for s in source:
95 parser.feed(s)
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]96 parser.close()
Fred Drake029acfb2001-08-20 21:24:19 +0000[diff] [blame]97 events = parser.get_events()
Fred Drakec20a6982001-09-04 15:13:04 +0000[diff] [blame]98 if events != expected_events:
Ezio Melotti95401c52013-11-23 19:52:05 +0200[diff] [blame]99 self.fail("received events did not match expected events" +
100 "\nSource:\n" + repr(source) +
101 "\nExpected:\n" + pprint.pformat(expected_events) +
Fred Drakec20a6982001-09-04 15:13:04 +0000[diff] [blame]102 "\nReceived:\n" + pprint.pformat(events))
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]103
104 def _run_check_extra(self, source, events):
Ezio Melotti95401c52013-11-23 19:52:05 +0200[diff] [blame]105 self._run_check(source, events,
106 EventCollectorExtra(convert_charrefs=False))
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]107
108 def _parse_error(self, source):
109 def parse(source=source):
Ezio Melotti86f67122012-02-13 14:11:27 +0200[diff] [blame]110 parser = self.get_collector()
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]111 parser.feed(source)
112 parser.close()
Ezio Melotti88ebfb12013-11-02 17:08:24 +0200[diff] [blame]113 with self.assertRaises(html.parser.HTMLParseError):
114 with self.assertWarns(DeprecationWarning):
115 parse()
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]116
117
Ezio Melottic1e73c32011-11-01 18:57:15 +0200[diff] [blame]118class HTMLParserStrictTestCase(TestCaseBase):
119
120 def get_collector(self):
Ezio Melotti3861d8b2012-06-23 15:27:51 +0200[diff] [blame]121 with support.check_warnings(("", DeprecationWarning), quite=False):
Ezio Melotti95401c52013-11-23 19:52:05 +0200[diff] [blame]122 return EventCollector(strict=True, convert_charrefs=False)
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]123
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]124 def test_processing_instruction_only(self):
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]125 self._run_check("<?processing instruction>", [
126 ("pi", "processing instruction"),
127 ])
Fred Drakefafd56f2003-04-17 22:19:26 +0000[diff] [blame]128 self._run_check("<?processing instruction ?>", [
129 ("pi", "processing instruction ?"),
130 ])
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]131
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]132 def test_simple_html(self):
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]133 self._run_check("""
134<!DOCTYPE html PUBLIC 'foo'>
135<HTML>&entity;&#32;
136<!--comment1a
137-></foo><bar>&lt;<?pi?></foo<bar
138comment1b-->
139<Img sRc='Bar' isMAP>sample
140text
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]141&#x201C;
Ezio Melottif4ab4912012-02-13 15:50:37 +0200[diff] [blame]142<!--comment2a-- --comment2b-->
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]143</Html>
144""", [
145 ("data", "\n"),
146 ("decl", "DOCTYPE html PUBLIC 'foo'"),
147 ("data", "\n"),
148 ("starttag", "html", []),
149 ("entityref", "entity"),
150 ("charref", "32"),
151 ("data", "\n"),
152 ("comment", "comment1a\n-></foo><bar>&lt;<?pi?></foo<bar\ncomment1b"),
153 ("data", "\n"),
154 ("starttag", "img", [("src", "Bar"), ("ismap", None)]),
155 ("data", "sample\ntext\n"),
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]156 ("charref", "x201C"),
157 ("data", "\n"),
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]158 ("comment", "comment2a-- --comment2b"),
159 ("data", "\n"),
160 ("endtag", "html"),
161 ("data", "\n"),
162 ])
163
Victor Stinnere021f4b2010-05-24 21:46:25 +0000[diff] [blame]164 def test_malformatted_charref(self):
165 self._run_check("<p>&#bad;</p>", [
166 ("starttag", "p", []),
167 ("data", "&#bad;"),
168 ("endtag", "p"),
169 ])
170
Fred Drake073148c2001-12-03 16:44:09 +0000[diff] [blame]171 def test_unclosed_entityref(self):
172 self._run_check("&entityref foo", [
173 ("entityref", "entityref"),
174 ("data", " foo"),
175 ])
176
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]177 def test_bad_nesting(self):
178 # Strangely, this *is* supposed to test that overlapping
179 # elements are allowed. HTMLParser is more geared toward
180 # lexing the input that parsing the structure.
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]181 self._run_check("<a><b></a></b>", [
182 ("starttag", "a", []),
183 ("starttag", "b", []),
184 ("endtag", "a"),
185 ("endtag", "b"),
186 ])
187
Fred Drake029acfb2001-08-20 21:24:19 +0000[diff] [blame]188 def test_bare_ampersands(self):
189 self._run_check("this text & contains & ampersands &", [
190 ("data", "this text & contains & ampersands &"),
191 ])
192
193 def test_bare_pointy_brackets(self):
194 self._run_check("this < text > contains < bare>pointy< brackets", [
195 ("data", "this < text > contains < bare>pointy< brackets"),
196 ])
197
Fred Drakec20a6982001-09-04 15:13:04 +0000[diff] [blame]198 def test_illegal_declarations(self):
Fred Drake7cf613d2001-09-04 16:26:03 +0000[diff] [blame]199 self._parse_error('<!spacer type="block" height="25">')
Fred Drakec20a6982001-09-04 15:13:04 +0000[diff] [blame]200
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]201 def test_starttag_end_boundary(self):
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]202 self._run_check("""<a b='<'>""", [("starttag", "a", [("b", "<")])])
203 self._run_check("""<a b='>'>""", [("starttag", "a", [("b", ">")])])
204
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]205 def test_buffer_artefacts(self):
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]206 output = [("starttag", "a", [("b", "<")])]
207 self._run_check(["<a b='<'>"], output)
208 self._run_check(["<a ", "b='<'>"], output)
209 self._run_check(["<a b", "='<'>"], output)
210 self._run_check(["<a b=", "'<'>"], output)
211 self._run_check(["<a b='<", "'>"], output)
212 self._run_check(["<a b='<'", ">"], output)
213
214 output = [("starttag", "a", [("b", ">")])]
215 self._run_check(["<a b='>'>"], output)
216 self._run_check(["<a ", "b='>'>"], output)
217 self._run_check(["<a b", "='>'>"], output)
218 self._run_check(["<a b=", "'>'>"], output)
219 self._run_check(["<a b='>", "'>"], output)
220 self._run_check(["<a b='>'", ">"], output)
221
Fred Drake75d9a622004-09-08 22:57:01 +0000[diff] [blame]222 output = [("comment", "abc")]
223 self._run_check(["", "<!--abc-->"], output)
224 self._run_check(["<", "!--abc-->"], output)
225 self._run_check(["<!", "--abc-->"], output)
226 self._run_check(["<!-", "-abc-->"], output)
227 self._run_check(["<!--", "abc-->"], output)
228 self._run_check(["<!--a", "bc-->"], output)
229 self._run_check(["<!--ab", "c-->"], output)
230 self._run_check(["<!--abc", "-->"], output)
231 self._run_check(["<!--abc-", "->"], output)
232 self._run_check(["<!--abc--", ">"], output)
233 self._run_check(["<!--abc-->", ""], output)
234
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]235 def test_starttag_junk_chars(self):
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]236 self._parse_error("</>")
237 self._parse_error("</$>")
238 self._parse_error("</")
239 self._parse_error("</a")
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]240 self._parse_error("<a<a>")
241 self._parse_error("</a<a>")
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]242 self._parse_error("<!")
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]243 self._parse_error("<a")
244 self._parse_error("<a foo='bar'")
245 self._parse_error("<a foo='bar")
246 self._parse_error("<a foo='>'")
247 self._parse_error("<a foo='>")
Ezio Melotti7165d8b2013-11-07 18:33:24 +0200[diff] [blame]248 self._parse_error("<a$>")
249 self._parse_error("<a$b>")
250 self._parse_error("<a$b/>")
251 self._parse_error("<a$b >")
252 self._parse_error("<a$b />")
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]253
Ezio Melottif4ab4912012-02-13 15:50:37 +0200[diff] [blame]254 def test_valid_doctypes(self):
255 # from http://www.w3.org/QA/2002/04/valid-dtd-list.html
256 dtds = ['HTML', # HTML5 doctype
257 ('HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" '
258 '"http://www.w3.org/TR/html4/strict.dtd"'),
259 ('HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" '
260 '"http://www.w3.org/TR/html4/loose.dtd"'),
261 ('html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" '
262 '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"'),
263 ('html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" '
264 '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd"'),
265 ('math PUBLIC "-//W3C//DTD MathML 2.0//EN" '
266 '"http://www.w3.org/Math/DTD/mathml2/mathml2.dtd"'),
267 ('html PUBLIC "-//W3C//DTD '
268 'XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" '
269 '"http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd"'),
270 ('svg PUBLIC "-//W3C//DTD SVG 1.1//EN" '
271 '"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"'),
272 'html PUBLIC "-//IETF//DTD HTML 2.0//EN"',
273 'html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"']
274 for dtd in dtds:
275 self._run_check("<!DOCTYPE %s>" % dtd,
276 [('decl', 'DOCTYPE ' + dtd)])
277
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]278 def test_declaration_junk_chars(self):
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]279 self._parse_error("<!DOCTYPE foo $ >")
280
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]281 def test_startendtag(self):
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]282 self._run_check("<p/>", [
283 ("startendtag", "p", []),
284 ])
285 self._run_check("<p></p>", [
286 ("starttag", "p", []),
287 ("endtag", "p"),
288 ])
289 self._run_check("<p><img src='foo' /></p>", [
290 ("starttag", "p", []),
291 ("startendtag", "img", [("src", "foo")]),
292 ("endtag", "p"),
293 ])
294
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]295 def test_get_starttag_text(self):
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]296 s = """<foo:bar \n one="1"\ttwo=2 >"""
297 self._run_check_extra(s, [
298 ("starttag", "foo:bar", [("one", "1"), ("two", "2")]),
299 ("starttag_text", s)])
300
Fred Drake84bb9d82001-08-03 19:53:01 +0000[diff] [blame]301 def test_cdata_content(self):
Ezio Melotti7de56f62011-11-01 14:12:22 +0200[diff] [blame]302 contents = [
303 '<!-- not a comment --> &not-an-entity-ref;',
304 "<not a='start tag'>",
305 '<a href="" /> <p> <span></span>',
306 'foo = "</scr" + "ipt>";',
307 'foo = "</SCRIPT" + ">";',
308 'foo = <\n/script> ',
309 '<!-- document.write("</scr" + "ipt>"); -->',
310 ('\n//<![CDATA[\n'
311 'document.write(\'<s\'+\'cript type="text/javascript" '
312 'src="http://www.example.org/r=\'+new '
313 'Date().getTime()+\'"><\\/s\'+\'cript>\');\n//]]>'),
314 '\n<!-- //\nvar foo = 3.14;\n// -->\n',
315 'foo = "</sty" + "le>";',
316 '<!-- \u2603 -->',
317 # these two should be invalid according to the HTML 5 spec,
318 # section 8.1.2.2
319 #'foo = </\nscript>',
320 #'foo = </ script>',
321 ]
322 elements = ['script', 'style', 'SCRIPT', 'STYLE', 'Script', 'Style']
323 for content in contents:
324 for element in elements:
325 element_lower = element.lower()
326 s = '<{element}>{content}</{element}>'.format(element=element,
327 content=content)
328 self._run_check(s, [("starttag", element_lower, []),
329 ("data", content),
330 ("endtag", element_lower)])
331
Ezio Melotti15cb4892011-11-18 18:01:49 +0200[diff] [blame]332 def test_cdata_with_closing_tags(self):
333 # see issue #13358
334 # make sure that HTMLParser calls handle_data only once for each CDATA.
335 # The normal event collector normalizes the events in get_events,
336 # so we override it to return the original list of events.
337 class Collector(EventCollector):
338 def get_events(self):
339 return self.events
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]340
Ezio Melotti15cb4892011-11-18 18:01:49 +0200[diff] [blame]341 content = """<!-- not a comment --> &not-an-entity-ref;
342 <a href="" /> </p><p> <span></span></style>
343 '</script' + '>'"""
344 for element in [' script', 'script ', ' script ',
345 '\nscript', 'script\n', '\nscript\n']:
346 element_lower = element.lower().strip()
347 s = '<script>{content}</{element}>'.format(element=element,
348 content=content)
349 self._run_check(s, [("starttag", element_lower, []),
350 ("data", content),
351 ("endtag", element_lower)],
Ezio Melotti95401c52013-11-23 19:52:05 +0200[diff] [blame]352 collector=Collector(convert_charrefs=False))
Fred Drakebd3090d2001-05-18 15:32:59 +0000[diff] [blame]353
Ezio Melottifa3702d2012-02-10 10:45:44 +0200[diff] [blame]354 def test_comments(self):
355 html = ("<!-- I'm a valid comment -->"
356 '<!--me too!-->'
357 '<!------>'
358 '<!---->'
359 '<!----I have many hyphens---->'
360 '<!-- I have a > in the middle -->'
361 '<!-- and I have -- in the middle! -->')
362 expected = [('comment', " I'm a valid comment "),
363 ('comment', 'me too!'),
364 ('comment', '--'),
365 ('comment', ''),
366 ('comment', '--I have many hyphens--'),
367 ('comment', ' I have a > in the middle '),
368 ('comment', ' and I have -- in the middle! ')]
369 self._run_check(html, expected)
370
Ezio Melotti62f3d032011-12-19 07:29:03 +0200[diff] [blame]371 def test_condcoms(self):
372 html = ('<!--[if IE & !(lte IE 8)]>aren\'t<![endif]-->'
373 '<!--[if IE 8]>condcoms<![endif]-->'
374 '<!--[if lte IE 7]>pretty?<![endif]-->')
375 expected = [('comment', "[if IE & !(lte IE 8)]>aren't<![endif]"),
376 ('comment', '[if IE 8]>condcoms<![endif]'),
377 ('comment', '[if lte IE 7]>pretty?<![endif]')]
378 self._run_check(html, expected)
379
Ezio Melotti95401c52013-11-23 19:52:05 +0200[diff] [blame]380 def test_convert_charrefs(self):
381 collector = lambda: EventCollectorCharrefs(convert_charrefs=True)
382 self.assertTrue(collector().convert_charrefs)
383 charrefs = ['&quot;', '&#34;', '&#x22;', '&quot', '&#34', '&#x22']
384 # check charrefs in the middle of the text/attributes
385 expected = [('starttag', 'a', [('href', 'foo"zar')]),
386 ('data', 'a"z'), ('endtag', 'a')]
387 for charref in charrefs:
388 self._run_check('<a href="foo{0}zar">a{0}z</a>'.format(charref),
389 expected, collector=collector())
390 # check charrefs at the beginning/end of the text/attributes
391 expected = [('data', '"'),
392 ('starttag', 'a', [('x', '"'), ('y', '"X'), ('z', 'X"')]),
393 ('data', '"'), ('endtag', 'a'), ('data', '"')]
394 for charref in charrefs:
395 self._run_check('{0}<a x="{0}" y="{0}X" z="X{0}">'
396 '{0}</a>{0}'.format(charref),
397 expected, collector=collector())
398 # check charrefs in <script>/<style> elements
399 for charref in charrefs:
400 text = 'X'.join([charref]*3)
401 expected = [('data', '"'),
402 ('starttag', 'script', []), ('data', text),
403 ('endtag', 'script'), ('data', '"'),
404 ('starttag', 'style', []), ('data', text),
405 ('endtag', 'style'), ('data', '"')]
406 self._run_check('{1}<script>{0}</script>{1}'
407 '<style>{0}</style>{1}'.format(text, charref),
408 expected, collector=collector())
409 # check truncated charrefs at the end of the file
410 html = '&quo &# &#x'
411 for x in range(1, len(html)):
412 self._run_check(html[:x], [('data', html[:x])],
413 collector=collector())
414 # check a string with no charrefs
415 self._run_check('no charrefs here', [('data', 'no charrefs here')],
416 collector=collector())
417
Ezio Melotti62f3d032011-12-19 07:29:03 +0200[diff] [blame]418
Ezio Melottic1e73c32011-11-01 18:57:15 +0200[diff] [blame]419class HTMLParserTolerantTestCase(HTMLParserStrictTestCase):
R. David Murrayb579dba2010-12-03 04:06:39 +0000[diff] [blame]420
Ezio Melottib9a48f72011-11-01 15:00:59 +0200[diff] [blame]421 def get_collector(self):
Ezio Melotti95401c52013-11-23 19:52:05 +0200[diff] [blame]422 return EventCollector(convert_charrefs=False)
Ezio Melotti88ebfb12013-11-02 17:08:24 +0200[diff] [blame]423
424 def test_deprecation_warnings(self):
425 with self.assertWarns(DeprecationWarning):
Ezio Melotti95401c52013-11-23 19:52:05 +0200[diff] [blame]426 EventCollector() # convert_charrefs not passed explicitly
427 with self.assertWarns(DeprecationWarning):
Ezio Melotti88ebfb12013-11-02 17:08:24 +0200[diff] [blame]428 EventCollector(strict=True)
429 with self.assertWarns(DeprecationWarning):
430 EventCollector(strict=False)
431 with self.assertRaises(html.parser.HTMLParseError):
432 with self.assertWarns(DeprecationWarning):
433 EventCollector().error('test')
R. David Murrayb579dba2010-12-03 04:06:39 +0000[diff] [blame]434
435 def test_tolerant_parsing(self):
436 self._run_check('<html <html>te>>xt&a<<bc</a></html>\n'
437 '<img src="URL><//img></html</html>', [
Ezio Melottic2fe5772011-11-14 18:53:33 +0200[diff] [blame]438 ('starttag', 'html', [('<html', None)]),
439 ('data', 'te>>xt'),
440 ('entityref', 'a'),
Ezio Melotti7165d8b2013-11-07 18:33:24 +0200[diff] [blame]441 ('data', '<'),
442 ('starttag', 'bc<', [('a', None)]),
Ezio Melottic2fe5772011-11-14 18:53:33 +0200[diff] [blame]443 ('endtag', 'html'),
Ezio Melotti5211ffe2012-02-13 11:24:50 +0200[diff] [blame]444 ('data', '\n<img src="URL>'),
445 ('comment', '/img'),
446 ('endtag', 'html<')])
R. David Murrayb579dba2010-12-03 04:06:39 +0000[diff] [blame]447
Ezio Melotti86f67122012-02-13 14:11:27 +0200[diff] [blame]448 def test_starttag_junk_chars(self):
449 self._run_check("</>", [])
450 self._run_check("</$>", [('comment', '$')])
451 self._run_check("</", [('data', '</')])
452 self._run_check("</a", [('data', '</a')])
Ezio Melotti7165d8b2013-11-07 18:33:24 +0200[diff] [blame]453 self._run_check("<a<a>", [('starttag', 'a<a', [])])
Ezio Melotti86f67122012-02-13 14:11:27 +0200[diff] [blame]454 self._run_check("</a<a>", [('endtag', 'a<a')])
455 self._run_check("<!", [('data', '<!')])
456 self._run_check("<a", [('data', '<a')])
457 self._run_check("<a foo='bar'", [('data', "<a foo='bar'")])
458 self._run_check("<a foo='bar", [('data', "<a foo='bar")])
459 self._run_check("<a foo='>'", [('data', "<a foo='>'")])
460 self._run_check("<a foo='>", [('data', "<a foo='>")])
Ezio Melotti7165d8b2013-11-07 18:33:24 +0200[diff] [blame]461 self._run_check("<a$>", [('starttag', 'a$', [])])
462 self._run_check("<a$b>", [('starttag', 'a$b', [])])
463 self._run_check("<a$b/>", [('startendtag', 'a$b', [])])
464 self._run_check("<a$b >", [('starttag', 'a$b', [])])
465 self._run_check("<a$b />", [('startendtag', 'a$b', [])])
Ezio Melotti86f67122012-02-13 14:11:27 +0200[diff] [blame]466
Ezio Melotti29877e82012-02-21 09:25:00 +0200[diff] [blame]467 def test_slashes_in_starttag(self):
468 self._run_check('<a foo="var"/>', [('startendtag', 'a', [('foo', 'var')])])
469 html = ('<img width=902 height=250px '
470 'src="/sites/default/files/images/homepage/foo.jpg" '
471 '/*what am I doing here*/ />')
472 expected = [(
473 'startendtag', 'img',
474 [('width', '902'), ('height', '250px'),
475 ('src', '/sites/default/files/images/homepage/foo.jpg'),
476 ('*what', None), ('am', None), ('i', None),
477 ('doing', None), ('here*', None)]
478 )]
479 self._run_check(html, expected)
480 html = ('<a / /foo/ / /=/ / /bar/ / />'
481 '<a / /foo/ / /=/ / /bar/ / >')
482 expected = [
483 ('startendtag', 'a', [('foo', None), ('=', None), ('bar', None)]),
484 ('starttag', 'a', [('foo', None), ('=', None), ('bar', None)])
485 ]
486 self._run_check(html, expected)
Ezio Melotti0780b6b2012-04-18 19:18:22 -0600[diff] [blame]487 #see issue #14538
488 html = ('<meta><meta / ><meta // ><meta / / >'
489 '<meta/><meta /><meta //><meta//>')
490 expected = [
491 ('starttag', 'meta', []), ('starttag', 'meta', []),
492 ('starttag', 'meta', []), ('starttag', 'meta', []),
493 ('startendtag', 'meta', []), ('startendtag', 'meta', []),
494 ('startendtag', 'meta', []), ('startendtag', 'meta', []),
495 ]
496 self._run_check(html, expected)
Ezio Melotti29877e82012-02-21 09:25:00 +0200[diff] [blame]497
Ezio Melotti86f67122012-02-13 14:11:27 +0200[diff] [blame]498 def test_declaration_junk_chars(self):
Ezio Melottif4ab4912012-02-13 15:50:37 +0200[diff] [blame]499 self._run_check("<!DOCTYPE foo $ >", [('decl', 'DOCTYPE foo $ ')])
Ezio Melotti86f67122012-02-13 14:11:27 +0200[diff] [blame]500
501 def test_illegal_declarations(self):
Ezio Melotti86f67122012-02-13 14:11:27 +0200[diff] [blame]502 self._run_check('<!spacer type="block" height="25">',
503 [('comment', 'spacer type="block" height="25"')])
504
Ezio Melotti18b0e5b2011-11-01 14:42:54 +0200[diff] [blame]505 def test_with_unquoted_attributes(self):
Ezio Melottib9a48f72011-11-01 15:00:59 +0200[diff] [blame]506 # see #12008
Ezio Melotti18b0e5b2011-11-01 14:42:54 +0200[diff] [blame]507 html = ("<html><body bgcolor=d0ca90 text='181008'>"
508 "<table cellspacing=0 cellpadding=1 width=100% ><tr>"
509 "<td align=left><font size=-1>"
510 "- <a href=/rabota/><span class=en> software-and-i</span></a>"
511 "- <a href='/1/'><span class=en> library</span></a></table>")
512 expected = [
513 ('starttag', 'html', []),
514 ('starttag', 'body', [('bgcolor', 'd0ca90'), ('text', '181008')]),
515 ('starttag', 'table',
516 [('cellspacing', '0'), ('cellpadding', '1'), ('width', '100%')]),
517 ('starttag', 'tr', []),
518 ('starttag', 'td', [('align', 'left')]),
519 ('starttag', 'font', [('size', '-1')]),
520 ('data', '- '), ('starttag', 'a', [('href', '/rabota/')]),
521 ('starttag', 'span', [('class', 'en')]), ('data', ' software-and-i'),
522 ('endtag', 'span'), ('endtag', 'a'),
523 ('data', '- '), ('starttag', 'a', [('href', '/1/')]),
524 ('starttag', 'span', [('class', 'en')]), ('data', ' library'),
525 ('endtag', 'span'), ('endtag', 'a'), ('endtag', 'table')
526 ]
Ezio Melottic1e73c32011-11-01 18:57:15 +0200[diff] [blame]527 self._run_check(html, expected)
Ezio Melotti18b0e5b2011-11-01 14:42:54 +0200[diff] [blame]528
R. David Murrayb579dba2010-12-03 04:06:39 +0000[diff] [blame]529 def test_comma_between_attributes(self):
530 self._run_check('<form action="/xxx.php?a=1&amp;b=2&amp", '
531 'method="post">', [
532 ('starttag', 'form',
Ezio Melotti46495182012-06-24 22:02:56 +0200[diff] [blame]533 [('action', '/xxx.php?a=1&b=2&'),
Ezio Melottic2fe5772011-11-14 18:53:33 +0200[diff] [blame]534 (',', None), ('method', 'post')])])
R. David Murrayb579dba2010-12-03 04:06:39 +0000[diff] [blame]535
536 def test_weird_chars_in_unquoted_attribute_values(self):
537 self._run_check('<form action=bogus|&#()value>', [
538 ('starttag', 'form',
Ezio Melottic1e73c32011-11-01 18:57:15 +0200[diff] [blame]539 [('action', 'bogus|&#()value')])])
R. David Murrayb579dba2010-12-03 04:06:39 +0000[diff] [blame]540
Ezio Melotti5211ffe2012-02-13 11:24:50 +0200[diff] [blame]541 def test_invalid_end_tags(self):
542 # A collection of broken end tags. <br> is used as separator.
543 # see http://www.w3.org/TR/html5/tokenization.html#end-tag-open-state
544 # and #13993
545 html = ('<br></label</p><br></div end tmAd-leaderBoard><br></<h4><br>'
546 '</li class="unit"><br></li\r\n\t\t\t\t\t\t</ul><br></><br>')
547 expected = [('starttag', 'br', []),
548 # < is part of the name, / is discarded, p is an attribute
549 ('endtag', 'label<'),
550 ('starttag', 'br', []),
551 # text and attributes are discarded
552 ('endtag', 'div'),
553 ('starttag', 'br', []),
554 # comment because the first char after </ is not a-zA-Z
555 ('comment', '<h4'),
556 ('starttag', 'br', []),
557 # attributes are discarded
558 ('endtag', 'li'),
559 ('starttag', 'br', []),
560 # everything till ul (included) is discarded
561 ('endtag', 'li'),
562 ('starttag', 'br', []),
563 # </> is ignored
564 ('starttag', 'br', [])]
565 self._run_check(html, expected)
566
567 def test_broken_invalid_end_tag(self):
568 # This is technically wrong (the "> shouldn't be included in the 'data')
569 # but is probably not worth fixing it (in addition to all the cases of
570 # the previous test, it would require a full attribute parsing).
571 # see #13993
572 html = '<b>This</b attr=">"> confuses the parser'
573 expected = [('starttag', 'b', []),
574 ('data', 'This'),
575 ('endtag', 'b'),
576 ('data', '"> confuses the parser')]
577 self._run_check(html, expected)
578
Ezio Melottib9a48f72011-11-01 15:00:59 +0200[diff] [blame]579 def test_correct_detection_of_start_tags(self):
580 # see #13273
Ezio Melottif50ffa92011-10-28 13:21:09 +0300[diff] [blame]581 html = ('<div style="" ><b>The <a href="some_url">rain</a> '
582 '<br /> in <span>Spain</span></b></div>')
583 expected = [
584 ('starttag', 'div', [('style', '')]),
585 ('starttag', 'b', []),
586 ('data', 'The '),
587 ('starttag', 'a', [('href', 'some_url')]),
588 ('data', 'rain'),
589 ('endtag', 'a'),
590 ('data', ' '),
591 ('startendtag', 'br', []),
592 ('data', ' in '),
593 ('starttag', 'span', []),
594 ('data', 'Spain'),
595 ('endtag', 'span'),
596 ('endtag', 'b'),
597 ('endtag', 'div')
598 ]
Ezio Melottic1e73c32011-11-01 18:57:15 +0200[diff] [blame]599 self._run_check(html, expected)
Ezio Melottif50ffa92011-10-28 13:21:09 +0300[diff] [blame]600
Ezio Melottif50ffa92011-10-28 13:21:09 +0300[diff] [blame]601 html = '<div style="", foo = "bar" ><b>The <a href="some_url">rain</a>'
602 expected = [
Ezio Melottic2fe5772011-11-14 18:53:33 +0200[diff] [blame]603 ('starttag', 'div', [('style', ''), (',', None), ('foo', 'bar')]),
Ezio Melottif50ffa92011-10-28 13:21:09 +0300[diff] [blame]604 ('starttag', 'b', []),
605 ('data', 'The '),
606 ('starttag', 'a', [('href', 'some_url')]),
607 ('data', 'rain'),
608 ('endtag', 'a'),
609 ]
Ezio Melottic1e73c32011-11-01 18:57:15 +0200[diff] [blame]610 self._run_check(html, expected)
Ezio Melottif50ffa92011-10-28 13:21:09 +0300[diff] [blame]611
Ezio Melotti8e596a72013-05-01 16:18:25 +0300[diff] [blame]612 def test_EOF_in_charref(self):
613 # see #17802
614 # This test checks that the UnboundLocalError reported in the issue
615 # is not raised, however I'm not sure the returned values are correct.
616 # Maybe HTMLParser should use self.unescape for these
617 data = [
618 ('a&', [('data', 'a&')]),
619 ('a&b', [('data', 'ab')]),
620 ('a&b ', [('data', 'a'), ('entityref', 'b'), ('data', ' ')]),
621 ('a&b;', [('data', 'a'), ('entityref', 'b')]),
622 ]
623 for html, expected in data:
624 self._run_check(html, expected)
625
Ezio Melottif6de9eb2013-11-22 05:49:29 +0200[diff] [blame]626 def test_unescape_method(self):
627 from html import unescape
628 p = self.get_collector()
629 with self.assertWarns(DeprecationWarning):
630 s = '&quot;&#34;&#x22;&quot&#34&#x22&#bad;'
631 self.assertEqual(p.unescape(s), unescape(s))
632
Ezio Melottifa3702d2012-02-10 10:45:44 +0200[diff] [blame]633 def test_broken_comments(self):
634 html = ('<! not really a comment >'
635 '<! not a comment either -->'
636 '<! -- close enough -->'
Ezio Melottif4ab4912012-02-13 15:50:37 +0200[diff] [blame]637 '<!><!<-- this was an empty comment>'
Ezio Melottifa3702d2012-02-10 10:45:44 +0200[diff] [blame]638 '<!!! another bogus comment !!!>')
639 expected = [
640 ('comment', ' not really a comment '),
641 ('comment', ' not a comment either --'),
642 ('comment', ' -- close enough --'),
Ezio Melottif4ab4912012-02-13 15:50:37 +0200[diff] [blame]643 ('comment', ''),
644 ('comment', '<-- this was an empty comment'),
Ezio Melottifa3702d2012-02-10 10:45:44 +0200[diff] [blame]645 ('comment', '!! another bogus comment !!!'),
646 ]
647 self._run_check(html, expected)
648
Ezio Melotti62f3d032011-12-19 07:29:03 +0200[diff] [blame]649 def test_broken_condcoms(self):
650 # these condcoms are missing the '--' after '<!' and before the '>'
651 html = ('<![if !(IE)]>broken condcom<![endif]>'
652 '<![if ! IE]><link href="favicon.tiff"/><![endif]>'
653 '<![if !IE 6]><img src="firefox.png" /><![endif]>'
654 '<![if !ie 6]><b>foo</b><![endif]>'
655 '<![if (!IE)|(lt IE 9)]><img src="mammoth.bmp" /><![endif]>')
656 # According to the HTML5 specs sections "8.2.4.44 Bogus comment state"
657 # and "8.2.4.45 Markup declaration open state", comment tokens should
658 # be emitted instead of 'unknown decl', but calling unknown_decl
659 # provides more flexibility.
660 # See also Lib/_markupbase.py:parse_declaration
661 expected = [
662 ('unknown decl', 'if !(IE)'),
663 ('data', 'broken condcom'),
664 ('unknown decl', 'endif'),
665 ('unknown decl', 'if ! IE'),
666 ('startendtag', 'link', [('href', 'favicon.tiff')]),
667 ('unknown decl', 'endif'),
668 ('unknown decl', 'if !IE 6'),
669 ('startendtag', 'img', [('src', 'firefox.png')]),
670 ('unknown decl', 'endif'),
671 ('unknown decl', 'if !ie 6'),
672 ('starttag', 'b', []),
673 ('data', 'foo'),
674 ('endtag', 'b'),
675 ('unknown decl', 'endif'),
676 ('unknown decl', 'if (!IE)|(lt IE 9)'),
677 ('startendtag', 'img', [('src', 'mammoth.bmp')]),
678 ('unknown decl', 'endif')
679 ]
680 self._run_check(html, expected)
681
Ezio Melottic1e73c32011-11-01 18:57:15 +0200[diff] [blame]682
Ezio Melottib245ed12011-11-14 18:13:22 +0200[diff] [blame]683class AttributesStrictTestCase(TestCaseBase):
684
685 def get_collector(self):
Ezio Melotti3861d8b2012-06-23 15:27:51 +0200[diff] [blame]686 with support.check_warnings(("", DeprecationWarning), quite=False):
Ezio Melotti95401c52013-11-23 19:52:05 +0200[diff] [blame]687 return EventCollector(strict=True, convert_charrefs=False)
Ezio Melottib245ed12011-11-14 18:13:22 +0200[diff] [blame]688
689 def test_attr_syntax(self):
690 output = [
691 ("starttag", "a", [("b", "v"), ("c", "v"), ("d", "v"), ("e", None)])
692 ]
693 self._run_check("""<a b='v' c="v" d=v e>""", output)
694 self._run_check("""<a b = 'v' c = "v" d = v e>""", output)
695 self._run_check("""<a\nb\n=\n'v'\nc\n=\n"v"\nd\n=\nv\ne>""", output)
696 self._run_check("""<a\tb\t=\t'v'\tc\t=\t"v"\td\t=\tv\te>""", output)
697
698 def test_attr_values(self):
699 self._run_check("""<a b='xxx\n\txxx' c="yyy\t\nyyy" d='\txyz\n'>""",
700 [("starttag", "a", [("b", "xxx\n\txxx"),
701 ("c", "yyy\t\nyyy"),
702 ("d", "\txyz\n")])])
703 self._run_check("""<a b='' c="">""",
704 [("starttag", "a", [("b", ""), ("c", "")])])
705 # Regression test for SF patch #669683.
706 self._run_check("<e a=rgb(1,2,3)>",
707 [("starttag", "e", [("a", "rgb(1,2,3)")])])
708 # Regression test for SF bug #921657.
709 self._run_check(
710 "<a href=mailto:xyz@example.com>",
711 [("starttag", "a", [("href", "mailto:xyz@example.com")])])
712
713 def test_attr_nonascii(self):
714 # see issue 7311
715 self._run_check(
716 "<img src=/foo/bar.png alt=\u4e2d\u6587>",
717 [("starttag", "img", [("src", "/foo/bar.png"),
718 ("alt", "\u4e2d\u6587")])])
719 self._run_check(
720 "<a title='\u30c6\u30b9\u30c8' href='\u30c6\u30b9\u30c8.html'>",
721 [("starttag", "a", [("title", "\u30c6\u30b9\u30c8"),
722 ("href", "\u30c6\u30b9\u30c8.html")])])
723 self._run_check(
724 '<a title="\u30c6\u30b9\u30c8" href="\u30c6\u30b9\u30c8.html">',
725 [("starttag", "a", [("title", "\u30c6\u30b9\u30c8"),
726 ("href", "\u30c6\u30b9\u30c8.html")])])
727
728 def test_attr_entity_replacement(self):
729 self._run_check(
730 "<a b='&amp;&gt;&lt;&quot;&apos;'>",
731 [("starttag", "a", [("b", "&><\"'")])])
732
733 def test_attr_funky_names(self):
734 self._run_check(
735 "<a a.b='v' c:d=v e-f=v>",
736 [("starttag", "a", [("a.b", "v"), ("c:d", "v"), ("e-f", "v")])])
737
738 def test_entityrefs_in_attributes(self):
739 self._run_check(
740 "<html foo='&euro;&amp;&#97;&#x61;&unsupported;'>",
741 [("starttag", "html", [("foo", "\u20AC&aa&unsupported;")])])
742
743
Ezio Melottic2fe5772011-11-14 18:53:33 +0200[diff] [blame]744
745class AttributesTolerantTestCase(AttributesStrictTestCase):
746
747 def get_collector(self):
Ezio Melotti95401c52013-11-23 19:52:05 +0200[diff] [blame]748 return EventCollector(convert_charrefs=False)
Ezio Melottic2fe5772011-11-14 18:53:33 +0200[diff] [blame]749
750 def test_attr_funky_names2(self):
751 self._run_check(
752 "<a $><b $=%><c \=/>",
753 [("starttag", "a", [("$", None)]),
754 ("starttag", "b", [("$", "%")]),
755 ("starttag", "c", [("\\", "/")])])
756
757 def test_entities_in_attribute_value(self):
758 # see #1200313
759 for entity in ['&', '&amp;', '&#38;', '&#x26;']:
760 self._run_check('<a href="%s">' % entity,
761 [("starttag", "a", [("href", "&")])])
762 self._run_check("<a href='%s'>" % entity,
763 [("starttag", "a", [("href", "&")])])
764 self._run_check("<a href=%s>" % entity,
765 [("starttag", "a", [("href", "&")])])
766
767 def test_malformed_attributes(self):
768 # see #13357
769 html = (
770 "<a href=test'style='color:red;bad1'>test - bad1</a>"
771 "<a href=test'+style='color:red;ba2'>test - bad2</a>"
772 "<a href=test'&nbsp;style='color:red;bad3'>test - bad3</a>"
773 "<a href = test'&nbsp;style='color:red;bad4' >test - bad4</a>"
774 )
775 expected = [
776 ('starttag', 'a', [('href', "test'style='color:red;bad1'")]),
777 ('data', 'test - bad1'), ('endtag', 'a'),
778 ('starttag', 'a', [('href', "test'+style='color:red;ba2'")]),
779 ('data', 'test - bad2'), ('endtag', 'a'),
780 ('starttag', 'a', [('href', "test'\xa0style='color:red;bad3'")]),
781 ('data', 'test - bad3'), ('endtag', 'a'),
782 ('starttag', 'a', [('href', "test'\xa0style='color:red;bad4'")]),
783 ('data', 'test - bad4'), ('endtag', 'a')
784 ]
785 self._run_check(html, expected)
786
787 def test_malformed_adjacent_attributes(self):
788 # see #12629
789 self._run_check('<x><y z=""o"" /></x>',
790 [('starttag', 'x', []),
791 ('startendtag', 'y', [('z', ''), ('o""', None)]),
792 ('endtag', 'x')])
793 self._run_check('<x><y z="""" /></x>',
794 [('starttag', 'x', []),
795 ('startendtag', 'y', [('z', ''), ('""', None)]),
796 ('endtag', 'x')])
797
798 # see #755670 for the following 3 tests
799 def test_adjacent_attributes(self):
800 self._run_check('<a width="100%"cellspacing=0>',
801 [("starttag", "a",
802 [("width", "100%"), ("cellspacing","0")])])
803
804 self._run_check('<a id="foo"class="bar">',
805 [("starttag", "a",
806 [("id", "foo"), ("class","bar")])])
807
808 def test_missing_attribute_value(self):
809 self._run_check('<a v=>',
810 [("starttag", "a", [("v", "")])])
811
812 def test_javascript_attribute_value(self):
813 self._run_check("<a href=javascript:popup('/popup/help.html')>",
814 [("starttag", "a",
815 [("href", "javascript:popup('/popup/help.html')")])])
816
817 def test_end_tag_in_attribute_value(self):
818 # see #1745761
819 self._run_check("<a href='http://www.example.org/\">;'>spam</a>",
820 [("starttag", "a",
821 [("href", "http://www.example.org/\">;")]),
822 ("data", "spam"), ("endtag", "a")])
823
824
Fred Drakee8220492001-09-24 20:19:08 +0000[diff] [blame]825if __name__ == "__main__":
Ezio Melotti5028f4d2013-11-02 17:49:08 +0200[diff] [blame]826 unittest.main()