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##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Tests for XMLParser.py.
$Id$
"""
import sys
import unittest
from zope.tal import xmlparser
from zope.tal.tests import utils
class EventCollector(xmlparser.XMLParser):
def __init__(self):
self.events = []
self.append = self.events.append
xmlparser.XMLParser.__init__(self)
self.parser.ordered_attributes = 1
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 StartElementHandler(self, tag, attrs):
self.append(("starttag", tag, attrs))
def EndElementHandler(self, tag):
self.append(("endtag", tag))
# all other markup
def CommentHandler(self, data):
self.append(("comment", data))
def handle_charref(self, data):
self.append(("charref", data))
def CharacterDataHandler(self, data):
self.append(("data", data))
def StartDoctypeDeclHandler(self, rootelem, publicId, systemId, subset):
self.append(("doctype", rootelem, systemId, publicId, subset))
def XmlDeclHandler(self, version, encoding, standalone):
self.append(("decl", version, encoding, standalone))
def ExternalEntityRefHandler(self, data):
self.append(("entityref", data))
def ProcessingInstructionHandler(self, target, data):
self.append(("pi", target, 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 SegmentedFile(object):
def __init__(self, parts):
self.parts = list(parts)
def read(self, bytes):
if self.parts:
s = self.parts.pop(0)
else:
s = ''
return s
class XMLParserTestCase(unittest.TestCase):
def _run_check(self, source, events, collector=EventCollector):
parser = collector()
if isinstance(source, list):
parser.parseStream(SegmentedFile(source))
else:
parser.parseString(source)
self.assertEquals(parser.get_events(),events)
def _run_check_extra(self, source, events):
self._run_check(source, events, EventCollectorExtra)
def _parse_error(self, source):
def parse(source=source):
parser = xmlparser.XMLParser()
parser.parseString(source)
self.assertRaises(xmlparser.XMLParseError, parse)
def test_processing_instruction_plus(self):
self._run_check("<?processing instruction?><a/>", [
("pi", "processing", "instruction"),
("starttag", "a", []),
("endtag", "a"),
])
def _check_simple_html(self):
self._run_check("""\
<?xml version='1.0' encoding='iso-8859-1'?>
<!DOCTYPE html PUBLIC 'foo' 'bar'>
<html>&entity; 
<!--comment1a
-></foo><bar><<?pi?></foo<bar
comment1b-->
<img src='Bar' ismap=''/>sample
text
<!--comment2a- -comment2b-->
</html>
""", [
("decl", "1.0", "iso-8859-1", -1),
("doctype", "html", "foo", "bar", 0),
("starttag", "html", []),
# ("entityref", "entity"),
("data", " \n"),
("comment", "comment1a\n-></foo><bar><<?pi?></foo<bar\ncomment1b"),
("data", "\n"),
("starttag", "img", ["src", "Bar", "ismap", ""]),
("endtag", "img"),
("data", "sample\ntext\n"),
("comment", "comment2a- -comment2b"),
("data", "\n"),
("endtag", "html"),
])
def test_bad_nesting(self):
try:
self._run_check("<a><b></a></b>", [
("starttag", "a", []),
("starttag", "b", []),
("endtag", "a"),
("endtag", "b"),
])
except:
e = sys.exc_info()[1]
self.assert_(e.lineno == 1,
"did not receive correct position information")
else:
self.fail("expected parse error: bad nesting")
def test_attr_syntax(self):
output = [
("starttag", "a", ["b", "v", "c", "v"]),
("endtag", "a"),
]
self._run_check("""<a b='v' c="v"/>""", output)
self._run_check("""<a b = 'v' c = "v"/>""", output)
self._run_check("""<a\nb\n=\n'v'\nc\n=\n"v"\n/>""", output)
self._run_check("""<a\tb\t=\t'v'\tc\t=\t"v"\t/>""", 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 xxx",
"c", "yyy yyy",
"d", " xyz "]),
("endtag", "a"),
])
self._run_check("""<a b='' c="" d=''/>""", [
("starttag", "a", ["b", "", "c", "", "d", ""]),
("endtag", "a"),
])
def test_attr_entity_replacement(self):
self._run_check("""<a b='&><"''/>""", [
("starttag", "a", ["b", "&><\"'"]),
("endtag", "a"),
])
def test_attr_funky_names(self):
self._run_check("""<a a.b='v' e-f='v'/>""", [
("starttag", "a", ["a.b", "v", "e-f", "v"]),
("endtag", "a"),
])
def test_starttag_end_boundary(self):
self._run_check("""<a b='<'/>""", [
("starttag", "a", ["b", "<"]),
("endtag", "a"),
])
self._run_check("""<a b='>'/>""", [
("starttag", "a", ["b", ">"]),
("endtag", "a"),
])
def test_buffer_artefacts(self):
output = [("starttag", "a", ["b", "<"]), ("endtag", "a")]
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", ">"]), ("endtag", "a")]
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 test_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='>")
def test_declaration_junk_chars(self):
self._parse_error("<!DOCTYPE foo $ >")
def test_unicode_string(self):
output = [('starttag', u'p', []),
('data', u'\xe4\xf6\xfc\xdf'),
('endtag', u'p')]
self._run_check(u'<p>\xe4\xf6\xfc\xdf</p>', output)
# Support for the Zope regression test framework:
def test_suite(skipxml=utils.skipxml):
if skipxml:
return unittest.TestSuite()
else:
return unittest.makeSuite(XMLParserTestCase)
if __name__ == "__main__":
errs = utils.run_suite(test_suite(skipxml=0))
sys.exit(errs and 1 or 0)
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