[OpenSPARC-T2-SAM] / sam-t2 / devtools / v8plus / lib / python2.4 / test / test_htmlparser.py

"""Tests for HTMLParser.py."""

import HTMLParser
import pprint
import sys
import unittest
from test import test_support


class EventCollector(HTMLParser.HTMLParser):

    def __init__(self):
        self.events = []
        self.append = self.events.append
        HTMLParser.HTMLParser.__init__(self)

    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))

    def handle_startendtag(self, tag, attrs):
        self.append(("startendtag", tag, attrs))

    def handle_endtag(self, tag):
        self.append(("endtag", tag))

    # 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 TestCaseBase(unittest.TestCase):

    def _run_check(self, source, expected_events, collector=EventCollector):
        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\n"
                      "Expected:\n" + pprint.pformat(expected_events) +
                      "\nReceived:\n" + pprint.pformat(events))

    def _run_check_extra(self, source, events):
        self._run_check(source, events, EventCollectorExtra)

    def _parse_error(self, source):
        def parse(source=source):
            parser = HTMLParser.HTMLParser()
            parser.feed(source)
            parser.close()
        self.assertRaises(HTMLParser.HTMLParseError, parse)


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;&#32;
<!--comment1a
-></foo><bar>&lt;<?pi?></foo<bar
comment1b-->
<Img sRc='Bar' isMAP>sample
text
&#x201C;
<!--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>&lt;<?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_unclosed_entityref(self):
        self._run_check("&entityref foo", [
            ("entityref", "entityref"),
            ("data", " foo"),
            ])

    def test_doctype_decl(self):
        inside = """\
DOCTYPE html [
  <!ELEMENT html - O EMPTY>
  <!ATTLIST html
      version CDATA #IMPLIED
      profile CDATA 'DublinCore'>
  <!NOTATION datatype SYSTEM 'http://xml.python.org/notations/python-module'>
  <!ENTITY myEntity 'internal parsed entity'>
  <!ENTITY anEntity SYSTEM 'http://xml.python.org/entities/something.xml'>
  <!ENTITY % paramEntity 'name|name|name'>
  %paramEntity;
  <!-- comment -->
]"""
        self._run_check("<!%s>" % inside, [
            ("decl", inside),
            ])

    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_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_entity_replacement(self):
        self._run_check("""<a b='&amp;&gt;&lt;&quot;&apos;'>""", [
            ("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_illegal_declarations(self):
        self._parse_error('<!spacer type="block" height="25">')

    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_starttag_junk_chars(self):
        self._parse_error("</>")
        self._parse_error("</$>")
        self._parse_error("</")
        self._parse_error("</a")
        self._parse_error("<a<a>")
        self._parse_error("</a<a>")
        self._parse_error("<!")
        self._parse_error("<a $>")
        self._parse_error("<a")
        self._parse_error("<a foo='bar'")
        self._parse_error("<a foo='bar")
        self._parse_error("<a foo='>'")
        self._parse_error("<a foo='>")
        self._parse_error("<a foo=>")

    def test_declaration_junk_chars(self):
        self._parse_error("<!DOCTYPE foo $ >")

    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)])

    def test_cdata_content(self):
        s = """<script> <!-- not a comment --> &not-an-entity-ref; </script>"""
        self._run_check(s, [
            ("starttag", "script", []),
            ("data", " <!-- not a comment --> &not-an-entity-ref; "),
            ("endtag", "script"),
            ])
        s = """<script> <not a='start tag'> </script>"""
        self._run_check(s, [
            ("starttag", "script", []),
            ("data", " <not a='start tag'> "),
            ("endtag", "script"),
            ])


def test_main():
    test_support.run_unittest(HTMLParserTestCase)


if __name__ == "__main__":
    test_main()
Commit	Line	Data
920dae64 AT	1	"""Tests for HTMLParser.py."""
	2
	3	import HTMLParser
	4	import pprint
	5	import sys
	6	import unittest
	7	from test import test_support
	8
	9
	10	class EventCollector(HTMLParser.HTMLParser):
	11
	12	def __init__(self):
	13	self.events = []
	14	self.append = self.events.append
	15	HTMLParser.HTMLParser.__init__(self)
	16
	17	def get_events(self):
	18	# Normalize the list of events so that buffer artefacts don't
	19	# separate runs of contiguous characters.
	20	L = []
	21	prevtype = None
	22	for event in self.events:
	23	type = event[0]
	24	if type == prevtype == "data":
	25	L[-1] = ("data", L[-1][1] + event[1])
	26	else:
	27	L.append(event)
	28	prevtype = type
	29	self.events = L
	30	return L
	31
	32	# structure markup
	33
	34	def handle_starttag(self, tag, attrs):
	35	self.append(("starttag", tag, attrs))
	36
	37	def handle_startendtag(self, tag, attrs):
	38	self.append(("startendtag", tag, attrs))
	39
	40	def handle_endtag(self, tag):
	41	self.append(("endtag", tag))
	42
	43	# all other markup
	44
	45	def handle_comment(self, data):
	46	self.append(("comment", data))
	47
	48	def handle_charref(self, data):
	49	self.append(("charref", data))
	50
	51	def handle_data(self, data):
	52	self.append(("data", data))
	53
	54	def handle_decl(self, data):
	55	self.append(("decl", data))
	56
	57	def handle_entityref(self, data):
	58	self.append(("entityref", data))
	59
	60	def handle_pi(self, data):
	61	self.append(("pi", data))
	62
	63	def unknown_decl(self, decl):
	64	self.append(("unknown decl", decl))
65
66
67	class EventCollectorExtra(EventCollector):
68
69	def handle_starttag(self, tag, attrs):
70	EventCollector.handle_starttag(self, tag, attrs)
71	self.append(("starttag_text", self.get_starttag_text()))
72
73
74	class TestCaseBase(unittest.TestCase):
75
76	def _run_check(self, source, expected_events, collector=EventCollector):
77	parser = collector()
78	for s in source:
79	parser.feed(s)
80	parser.close()
81	events = parser.get_events()
82	if events != expected_events:
83	self.fail("received events did not match expected events\n"
84	"Expected:\n" + pprint.pformat(expected_events) +
85	"\nReceived:\n" + pprint.pformat(events))
86
87	def _run_check_extra(self, source, events):
88	self._run_check(source, events, EventCollectorExtra)
89
90	def _parse_error(self, source):
91	def parse(source=source):
92	parser = HTMLParser.HTMLParser()
93	parser.feed(source)
94	parser.close()
95	self.assertRaises(HTMLParser.HTMLParseError, parse)
96
97
98	class HTMLParserTestCase(TestCaseBase):
99
100	def test_processing_instruction_only(self):
101	self._run_check("<?processing instruction>", [
102	("pi", "processing instruction"),
103	])
104	self._run_check("<?processing instruction ?>", [
105	("pi", "processing instruction ?"),
106	])
107
108	def test_simple_html(self):
109	self._run_check("""
110	<!DOCTYPE html PUBLIC 'foo'>
111	<HTML>&entity;
112	<!--comment1a
113	-></foo><bar><<?pi?></foo<bar
114	comment1b-->
115	<Img sRc='Bar' isMAP>sample
116	text
117	“
118	<!--comment2a-- --comment2b-->
119	</Html>
120	""", [
121	("data", "\n"),
122	("decl", "DOCTYPE html PUBLIC 'foo'"),
123	("data", "\n"),
124	("starttag", "html", []),
125	("entityref", "entity"),
126	("charref", "32"),
127	("data", "\n"),
128	("comment", "comment1a\n-></foo><bar><<?pi?></foo<bar\ncomment1b"),
129	("data", "\n"),
130	("starttag", "img", [("src", "Bar"), ("ismap", None)]),
131	("data", "sample\ntext\n"),
132	("charref", "x201C"),
133	("data", "\n"),
134	("comment", "comment2a-- --comment2b"),
135	("data", "\n"),
136	("endtag", "html"),
137	("data", "\n"),
138	])
139
140	def test_unclosed_entityref(self):
141	self._run_check("&entityref foo", [
142	("entityref", "entityref"),
143	("data", " foo"),
144	])
145
146	def test_doctype_decl(self):
147	inside = """\
148	DOCTYPE html [
149	<!ELEMENT html - O EMPTY>
150	<!ATTLIST html
151	version CDATA #IMPLIED
152	profile CDATA 'DublinCore'>
153	<!NOTATION datatype SYSTEM 'http://xml.python.org/notations/python-module'>
154	<!ENTITY myEntity 'internal parsed entity'>
155	<!ENTITY anEntity SYSTEM 'http://xml.python.org/entities/something.xml'>
156	<!ENTITY % paramEntity 'name\|name\|name'>
157	%paramEntity;
158	<!-- comment -->
159	]"""
160	self._run_check("<!%s>" % inside, [
161	("decl", inside),
162	])
163
164	def test_bad_nesting(self):
165	# Strangely, this is supposed to test that overlapping
166	# elements are allowed. HTMLParser is more geared toward
167	# lexing the input that parsing the structure.
168	self._run_check("<a><b></a></b>", [
169	("starttag", "a", []),
170	("starttag", "b", []),
171	("endtag", "a"),
172	("endtag", "b"),
173	])
174
175	def test_bare_ampersands(self):
176	self._run_check("this text & contains & ampersands &", [
177	("data", "this text & contains & ampersands &"),
178	])
179
180	def test_bare_pointy_brackets(self):
181	self._run_check("this < text > contains < bare>pointy< brackets", [
182	("data", "this < text > contains < bare>pointy< brackets"),
183	])
184
185	def test_attr_syntax(self):
186	output = [
187	("starttag", "a", [("b", "v"), ("c", "v"), ("d", "v"), ("e", None)])
188	]
189	self._run_check("""<a b='v' c="v" d=v e>""", output)
190	self._run_check("""<a b = 'v' c = "v" d = v e>""", output)
191	self._run_check("""<a\nb\n=\n'v'\nc\n=\n"v"\nd\n=\nv\ne>""", output)
192	self._run_check("""<a\tb\t=\t'v'\tc\t=\t"v"\td\t=\tv\te>""", output)
193
194	def test_attr_values(self):
195	self._run_check("""<a b='xxx\n\txxx' c="yyy\t\nyyy" d='\txyz\n'>""",
196	[("starttag", "a", [("b", "xxx\n\txxx"),
197	("c", "yyy\t\nyyy"),
198	("d", "\txyz\n")])
199	])
200	self._run_check("""<a b='' c="">""", [
201	("starttag", "a", [("b", ""), ("c", "")]),
202	])
203	# Regression test for SF patch #669683.
204	self._run_check("<e a=rgb(1,2,3)>", [
205	("starttag", "e", [("a", "rgb(1,2,3)")]),
206	])
207	# Regression test for SF bug #921657.
208	self._run_check("<a href=mailto:xyz@example.com>", [
209	("starttag", "a", [("href", "mailto:xyz@example.com")]),
210	])
211
212	def test_attr_entity_replacement(self):
213	self._run_check("""<a b='&><"''>""", [
214	("starttag", "a", [("b", "&><\"'")]),
215	])
216
217	def test_attr_funky_names(self):
218	self._run_check("""<a a.b='v' c:d=v e-f=v>""", [
219	("starttag", "a", [("a.b", "v"), ("c:d", "v"), ("e-f", "v")]),
220	])
221
222	def test_illegal_declarations(self):
223	self._parse_error('<!spacer type="block" height="25">')
224
225	def test_starttag_end_boundary(self):
226	self._run_check("""<a b='<'>""", [("starttag", "a", [("b", "<")])])
227	self._run_check("""<a b='>'>""", [("starttag", "a", [("b", ">")])])
228
229	def test_buffer_artefacts(self):
230	output = [("starttag", "a", [("b", "<")])]
231	self._run_check(["<a b='<'>"], output)
232	self._run_check(["<a ", "b='<'>"], output)
233	self._run_check(["<a b", "='<'>"], output)
234	self._run_check(["<a b=", "'<'>"], output)
235	self._run_check(["<a b='<", "'>"], output)
236	self._run_check(["<a b='<'", ">"], output)
237
238	output = [("starttag", "a", [("b", ">")])]
239	self._run_check(["<a b='>'>"], output)
240	self._run_check(["<a ", "b='>'>"], output)
241	self._run_check(["<a b", "='>'>"], output)
242	self._run_check(["<a b=", "'>'>"], output)
243	self._run_check(["<a b='>", "'>"], output)
244	self._run_check(["<a b='>'", ">"], output)
245
246	output = [("comment", "abc")]
247	self._run_check(["", "<!--abc-->"], output)
248	self._run_check(["<", "!--abc-->"], output)
249	self._run_check(["<!", "--abc-->"], output)
250	self._run_check(["<!-", "-abc-->"], output)
251	self._run_check(["<!--", "abc-->"], output)
252	self._run_check(["<!--a", "bc-->"], output)
253	self._run_check(["<!--ab", "c-->"], output)
254	self._run_check(["<!--abc", "-->"], output)
255	self._run_check(["<!--abc-", "->"], output)
256	self._run_check(["<!--abc--", ">"], output)
257	self._run_check(["<!--abc-->", ""], output)
258
259	def test_starttag_junk_chars(self):
260	self._parse_error("</>")
261	self._parse_error("</$>")
262	self._parse_error("</")
263	self._parse_error("</a")
264	self._parse_error("<a<a>")
265	self._parse_error("</a<a>")
266	self._parse_error("<!")
267	self._parse_error("<a $>")
268	self._parse_error("<a")
269	self._parse_error("<a foo='bar'")
270	self._parse_error("<a foo='bar")
271	self._parse_error("<a foo='>'")
272	self._parse_error("<a foo='>")
273	self._parse_error("<a foo=>")
274
275	def test_declaration_junk_chars(self):
276	self._parse_error("<!DOCTYPE foo $ >")
277
278	def test_startendtag(self):
279	self._run_check("<p/>", [
280	("startendtag", "p", []),
281	])
282	self._run_check("<p></p>", [
283	("starttag", "p", []),
284	("endtag", "p"),
285	])
286	self._run_check("<p><img src='foo' /></p>", [
287	("starttag", "p", []),
288	("startendtag", "img", [("src", "foo")]),
289	("endtag", "p"),
290	])
291
292	def test_get_starttag_text(self):
293	s = """<foo:bar \n one="1"\ttwo=2 >"""
294	self._run_check_extra(s, [
295	("starttag", "foo:bar", [("one", "1"), ("two", "2")]),
296	("starttag_text", s)])
297
298	def test_cdata_content(self):
299	s = """<script> <!-- not a comment --> &not-an-entity-ref; </script>"""
300	self._run_check(s, [
301	("starttag", "script", []),
302	("data", " <!-- not a comment --> &not-an-entity-ref; "),
303	("endtag", "script"),
304	])
305	s = """<script> <not a='start tag'> </script>"""
306	self._run_check(s, [
307	("starttag", "script", []),
308	("data", " <not a='start tag'> "),
309	("endtag", "script"),
310	])
311
312
313	def test_main():
314	test_support.run_unittest(HTMLParserTestCase)
315
316
317	if __name__ == "__main__":
318	test_main()