symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_sgmllib.py
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_sgmllib.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,438 @@
+import pprint
+import re
+import unittest
+from test import test_support
+sgmllib = test_support.import_module('sgmllib', deprecated=True)
+
+
+class EventCollector(sgmllib.SGMLParser):
+
+    def __init__(self):
+        self.events = []
+        self.append = self.events.append
+        sgmllib.SGMLParser.__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 unknown_starttag(self, tag, attrs):
+        self.append(("starttag", tag, attrs))
+
+    def unknown_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, decl):
+        self.append(("decl", decl))
+
+    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 CDATAEventCollector(EventCollector):
+    def start_cdata(self, attrs):
+        self.append(("starttag", "cdata", attrs))
+        self.setliteral()
+
+
+class HTMLEntityCollector(EventCollector):
+
+    entity_or_charref = re.compile('(?:&([a-zA-Z][-.a-zA-Z0-9]*)'
+        '|&#(x[0-9a-zA-Z]+|[0-9]+))(;?)')
+
+    def convert_charref(self, name):
+        self.append(("charref", "convert", name))
+        if name[0] != "x":
+            return EventCollector.convert_charref(self, name)
+
+    def convert_codepoint(self, codepoint):
+        self.append(("codepoint", "convert", codepoint))
+        EventCollector.convert_codepoint(self, codepoint)
+
+    def convert_entityref(self, name):
+        self.append(("entityref", "convert", name))
+        return EventCollector.convert_entityref(self, name)
+
+    # These to record that they were called, then pass the call along
+    # to the default implementation so that it's actions can be
+    # recorded.
+
+    def handle_charref(self, data):
+        self.append(("charref", data))
+        sgmllib.SGMLParser.handle_charref(self, data)
+
+    def handle_entityref(self, data):
+        self.append(("entityref", data))
+        sgmllib.SGMLParser.handle_entityref(self, data)
+
+
+class SGMLParserTestCase(unittest.TestCase):
+
+    collector = EventCollector
+
+    def get_events(self, source):
+        parser = self.collector()
+        try:
+            for s in source:
+                parser.feed(s)
+            parser.close()
+        except:
+            #self.events = parser.events
+            raise
+        return parser.get_events()
+
+    def check_events(self, source, expected_events):
+        try:
+            events = self.get_events(source)
+        except:
+            #import sys
+            #print >>sys.stderr, pprint.pformat(self.events)
+            raise
+        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 check_parse_error(self, source):
+        parser = EventCollector()
+        try:
+            parser.feed(source)
+            parser.close()
+        except sgmllib.SGMLParseError:
+            pass
+        else:
+            self.fail("expected SGMLParseError for %r\nReceived:\n%s"
+                      % (source, pprint.pformat(parser.get_events())))
+
+    def test_doctype_decl_internal(self):
+        inside = """\
+DOCTYPE html PUBLIC '-//W3C//DTD HTML 4.01//EN'
+             SYSTEM 'http://www.w3.org/TR/html401/strict.dtd' [
+  <!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.check_events(["<!%s>" % inside], [
+            ("decl", inside),
+            ])
+
+    def test_doctype_decl_external(self):
+        inside = "DOCTYPE html PUBLIC '-//W3C//DTD HTML 4.01//EN'"
+        self.check_events("<!%s>" % inside, [
+            ("decl", inside),
+            ])
+
+    def test_underscore_in_attrname(self):
+        # SF bug #436621
+        """Make sure attribute names with underscores are accepted"""
+        self.check_events("<a has_under _under>", [
+            ("starttag", "a", [("has_under", "has_under"),
+                               ("_under", "_under")]),
+            ])
+
+    def test_underscore_in_tagname(self):
+        # SF bug #436621
+        """Make sure tag names with underscores are accepted"""
+        self.check_events("<has_under></has_under>", [
+            ("starttag", "has_under", []),
+            ("endtag", "has_under"),
+            ])
+
+    def test_quotes_in_unquoted_attrs(self):
+        # SF bug #436621
+        """Be sure quotes in unquoted attributes are made part of the value"""
+        self.check_events("<a href=foo'bar\"baz>", [
+            ("starttag", "a", [("href", "foo'bar\"baz")]),
+            ])
+
+    def test_xhtml_empty_tag(self):
+        """Handling of XHTML-style empty start tags"""
+        self.check_events("<br />text<i></i>", [
+            ("starttag", "br", []),
+            ("data", "text"),
+            ("starttag", "i", []),
+            ("endtag", "i"),
+            ])
+
+    def test_processing_instruction_only(self):
+        self.check_events("<?processing instruction>", [
+            ("pi", "processing instruction"),
+            ])
+
+    def test_bad_nesting(self):
+        self.check_events("<a><b></a></b>", [
+            ("starttag", "a", []),
+            ("starttag", "b", []),
+            ("endtag", "a"),
+            ("endtag", "b"),
+            ])
+
+    def test_bare_ampersands(self):
+        self.check_events("this text & contains & ampersands &", [
+            ("data", "this text & contains & ampersands &"),
+            ])
+
+    def test_bare_pointy_brackets(self):
+        self.check_events("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", "e")])
+          ]
+        self.check_events("""<a b='v' c="v" d=v e>""", output)
+        self.check_events("""<a  b = 'v' c = "v" d = v e>""", output)
+        self.check_events("""<a\nb\n=\n'v'\nc\n=\n"v"\nd\n=\nv\ne>""", output)
+        self.check_events("""<a\tb\t=\t'v'\tc\t=\t"v"\td\t=\tv\te>""", output)
+
+    def test_attr_values(self):
+        self.check_events("""<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.check_events("""<a b='' c="">""", [
+            ("starttag", "a", [("b", ""), ("c", "")]),
+            ])
+        # URL construction stuff from RFC 1808:
+        safe = "$-_.+"
+        extra = "!*'(),"
+        reserved = ";/?:@&="
+        url = "http://example.com:8080/path/to/file?%s%s%s" % (
+            safe, extra, reserved)
+        self.check_events("""<e a=%s>""" % url, [
+            ("starttag", "e", [("a", url)]),
+            ])
+        # Regression test for SF patch #669683.
+        self.check_events("<e a=rgb(1,2,3)>", [
+            ("starttag", "e", [("a", "rgb(1,2,3)")]),
+            ])
+
+    def test_attr_values_entities(self):
+        """Substitution of entities and charrefs in attribute values"""
+        # SF bug #1452246
+        self.check_events("""<a b=&lt; c=&lt;&gt; d=&lt-&gt; e='&lt; '
+                                f="&xxx;" g='&#32;&#33;' h='&#500;'
+                                i='x?a=b&c=d;'
+                                j='&amp;#42;' k='&#38;#42;'>""",
+            [("starttag", "a", [("b", "<"),
+                                ("c", "<>"),
+                                ("d", "&lt->"),
+                                ("e", "< "),
+                                ("f", "&xxx;"),
+                                ("g", " !"),
+                                ("h", "&#500;"),
+                                ("i", "x?a=b&c=d;"),
+                                ("j", "&#42;"),
+                                ("k", "&#42;"),
+                                ])])
+
+    def test_convert_overrides(self):
+        # This checks that the character and entity reference
+        # conversion helpers are called at the documented times.  No
+        # attempt is made to really change what the parser accepts.
+        #
+        self.collector = HTMLEntityCollector
+        self.check_events(('<a title="&ldquo;test&#x201d;">foo</a>'
+                           '&foobar;&#42;'), [
+            ('entityref', 'convert', 'ldquo'),
+            ('charref', 'convert', 'x201d'),
+            ('starttag', 'a', [('title', '&ldquo;test&#x201d;')]),
+            ('data', 'foo'),
+            ('endtag', 'a'),
+            ('entityref', 'foobar'),
+            ('entityref', 'convert', 'foobar'),
+            ('charref', '42'),
+            ('charref', 'convert', '42'),
+            ('codepoint', 'convert', 42),
+            ])
+
+    def test_attr_funky_names(self):
+        self.check_events("""<a a.b='v' c:d=v e-f=v>""", [
+            ("starttag", "a", [("a.b", "v"), ("c:d", "v"), ("e-f", "v")]),
+            ])
+
+    def test_attr_value_ip6_url(self):
+        # http://www.python.org/sf/853506
+        self.check_events(("<a href='http://[1080::8:800:200C:417A]/'>"
+                           "<a href=http://[1080::8:800:200C:417A]/>"), [
+            ("starttag", "a", [("href", "http://[1080::8:800:200C:417A]/")]),
+            ("starttag", "a", [("href", "http://[1080::8:800:200C:417A]/")]),
+            ])
+
+    def test_illegal_declarations(self):
+        s = 'abc<!spacer type="block" height="25">def'
+        self.check_events(s, [
+            ("data", "abc"),
+            ("unknown decl", 'spacer type="block" height="25"'),
+            ("data", "def"),
+            ])
+
+    def test_weird_starttags(self):
+        self.check_events("<a<a>", [
+            ("starttag", "a", []),
+            ("starttag", "a", []),
+            ])
+        self.check_events("</a<a>", [
+            ("endtag", "a"),
+            ("starttag", "a", []),
+            ])
+
+    def test_declaration_junk_chars(self):
+        self.check_parse_error("<!DOCTYPE foo $ >")
+
+    def test_get_starttag_text(self):
+        s = """<foobar   \n   one="1"\ttwo=2   >"""
+        self.check_events(s, [
+            ("starttag", "foobar", [("one", "1"), ("two", "2")]),
+            ])
+
+    def test_cdata_content(self):
+        s = ("<cdata> <!-- not a comment --> &not-an-entity-ref; </cdata>"
+             "<notcdata> <!-- comment --> </notcdata>")
+        self.collector = CDATAEventCollector
+        self.check_events(s, [
+            ("starttag", "cdata", []),
+            ("data", " <!-- not a comment --> &not-an-entity-ref; "),
+            ("endtag", "cdata"),
+            ("starttag", "notcdata", []),
+            ("data", " "),
+            ("comment", " comment "),
+            ("data", " "),
+            ("endtag", "notcdata"),
+            ])
+        s = """<cdata> <not a='start tag'> </cdata>"""
+        self.check_events(s, [
+            ("starttag", "cdata", []),
+            ("data", " <not a='start tag'> "),
+            ("endtag", "cdata"),
+            ])
+
+    def test_illegal_declarations(self):
+        s = 'abc<!spacer type="block" height="25">def'
+        self.check_events(s, [
+            ("data", "abc"),
+            ("unknown decl", 'spacer type="block" height="25"'),
+            ("data", "def"),
+            ])
+
+    def test_enumerated_attr_type(self):
+        s = "<!DOCTYPE doc [<!ATTLIST doc attr (a | b) >]>"
+        self.check_events(s, [
+            ('decl', 'DOCTYPE doc [<!ATTLIST doc attr (a | b) >]'),
+            ])
+
+    def test_read_chunks(self):
+        # SF bug #1541697, this caused sgml parser to hang
+        # Just verify this code doesn't cause a hang.
+        CHUNK = 1024  # increasing this to 8212 makes the problem go away
+
+        f = open(test_support.findfile('sgml_input.html'))
+        fp = sgmllib.SGMLParser()
+        while 1:
+            data = f.read(CHUNK)
+            fp.feed(data)
+            if len(data) != CHUNK:
+                break
+
+    # XXX These tests have been disabled by prefixing their names with
+    # an underscore.  The first two exercise outstanding bugs in the
+    # sgmllib module, and the third exhibits questionable behavior
+    # that needs to be carefully considered before changing it.
+
+    def _test_starttag_end_boundary(self):
+        self.check_events("<a b='<'>", [("starttag", "a", [("b", "<")])])
+        self.check_events("<a b='>'>", [("starttag", "a", [("b", ">")])])
+
+    def _test_buffer_artefacts(self):
+        output = [("starttag", "a", [("b", "<")])]
+        self.check_events(["<a b='<'>"], output)
+        self.check_events(["<a ", "b='<'>"], output)
+        self.check_events(["<a b", "='<'>"], output)
+        self.check_events(["<a b=", "'<'>"], output)
+        self.check_events(["<a b='<", "'>"], output)
+        self.check_events(["<a b='<'", ">"], output)
+
+        output = [("starttag", "a", [("b", ">")])]
+        self.check_events(["<a b='>'>"], output)
+        self.check_events(["<a ", "b='>'>"], output)
+        self.check_events(["<a b", "='>'>"], output)
+        self.check_events(["<a b=", "'>'>"], output)
+        self.check_events(["<a b='>", "'>"], output)
+        self.check_events(["<a b='>'", ">"], output)
+
+        output = [("comment", "abc")]
+        self.check_events(["", "<!--abc-->"], output)
+        self.check_events(["<", "!--abc-->"], output)
+        self.check_events(["<!", "--abc-->"], output)
+        self.check_events(["<!-", "-abc-->"], output)
+        self.check_events(["<!--", "abc-->"], output)
+        self.check_events(["<!--a", "bc-->"], output)
+        self.check_events(["<!--ab", "c-->"], output)
+        self.check_events(["<!--abc", "-->"], output)
+        self.check_events(["<!--abc-", "->"], output)
+        self.check_events(["<!--abc--", ">"], output)
+        self.check_events(["<!--abc-->", ""], output)
+
+    def _test_starttag_junk_chars(self):
+        self.check_parse_error("<")
+        self.check_parse_error("<>")
+        self.check_parse_error("</$>")
+        self.check_parse_error("</")
+        self.check_parse_error("</a")
+        self.check_parse_error("<$")
+        self.check_parse_error("<$>")
+        self.check_parse_error("<!")
+        self.check_parse_error("<a $>")
+        self.check_parse_error("<a")
+        self.check_parse_error("<a foo='bar'")
+        self.check_parse_error("<a foo='bar")
+        self.check_parse_error("<a foo='>'")
+        self.check_parse_error("<a foo='>")
+        self.check_parse_error("<a foo=>")
+
+
+def test_main():
+    test_support.run_unittest(SGMLParserTestCase)
+
+
+if __name__ == "__main__":
+    test_main()