--- /dev/null
+"""Tests for HTMLParser.py."""
+
+import HTMLParser
+import sys
+import test_support
+import unittest
+
+
+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))
+
+
+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):
+
+ # Constant pieces of source and events
+ prologue = ""
+ epilogue = ""
+ initial_events = []
+ final_events = []
+
+ def _run_check(self, source, events, collector=EventCollector):
+ parser = collector()
+ parser.feed(self.prologue)
+ for s in source:
+ parser.feed(s)
+ for c in self.epilogue:
+ parser.feed(c)
+ parser.close()
+ self.assert_(parser.get_events() ==
+ self.initial_events + events + self.final_events,
+ parser.get_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 check_processing_instruction_only(self):
+ self._run_check("<?processing instruction>", [
+ ("pi", "processing instruction"),
+ ])
+
+ def check_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"),
+ ("comment", "comment2a-- --comment2b"),
+ ("data", "\n"),
+ ("endtag", "html"),
+ ("data", "\n"),
+ ])
+
+ def check_bad_nesting(self):
+ self._run_check("<a><b></a></b>", [
+ ("starttag", "a", []),
+ ("starttag", "b", []),
+ ("endtag", "a"),
+ ("endtag", "b"),
+ ])
+
+ def check_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 check_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", "")]),
+ ])
+
+ def check_attr_entity_replacement(self):
+ self._run_check("""<a b='&><"''>""", [
+ ("starttag", "a", [("b", "&><\"'")]),
+ ])
+
+ def check_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 check_starttag_end_boundary(self):
+ self._run_check("""<a b='<'>""", [("starttag", "a", [("b", "<")])])
+ self._run_check("""<a b='>'>""", [("starttag", "a", [("b", ">")])])
+
+ def check_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)
+
+ def check_starttag_junk_chars(self):
+ self._parse_error("<")
+ self._parse_error("<>")
+ self._parse_error("</>")
+ self._parse_error("</$>")
+ self._parse_error("</")
+ self._parse_error("</a")
+ self._parse_error("</a")
+ self._parse_error("<a<a>")
+ self._parse_error("</a<a>")
+ self._parse_error("<$")
+ self._parse_error("<$>")
+ 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 check_declaration_junk_chars(self):
+ self._parse_error("<!DOCTYPE foo $ >")
+
+ def check_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 check_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 check_cdata_content(self):
+ s = """<script> <!-- not a comment --> ¬-an-entity-ref; </script>"""
+ self._run_check(s, [
+ ("starttag", "script", []),
+ ("data", " <!-- not a comment --> ¬-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"),
+ ])
+
+
+test_support.run_unittest(HTMLParserTestCase)
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