symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_sax.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_sax.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,696 @@
+# regression test for SAX 2.0            -*- coding: iso-8859-1 -*-
+# $Id: test_sax.py 61997 2008-03-28 07:36:31Z neal.norwitz $
+
+from xml.sax import make_parser, ContentHandler, \
+                    SAXException, SAXReaderNotAvailable, SAXParseException
+try:
+    make_parser()
+except SAXReaderNotAvailable:
+    # don't try to test this module if we cannot create a parser
+    raise ImportError("no XML parsers available")
+from xml.sax.saxutils import XMLGenerator, escape, unescape, quoteattr, \
+                             XMLFilterBase
+from xml.sax.expatreader import create_parser
+from xml.sax.xmlreader import InputSource, AttributesImpl, AttributesNSImpl
+from cStringIO import StringIO
+from test.test_support import findfile, run_unittest
+import unittest
+import os
+
+ns_uri = "http://www.python.org/xml-ns/saxtest/"
+
+class XmlTestBase(unittest.TestCase):
+    def verify_empty_attrs(self, attrs):
+        self.assertRaises(KeyError, attrs.getValue, "attr")
+        self.assertRaises(KeyError, attrs.getValueByQName, "attr")
+        self.assertRaises(KeyError, attrs.getNameByQName, "attr")
+        self.assertRaises(KeyError, attrs.getQNameByName, "attr")
+        self.assertRaises(KeyError, attrs.__getitem__, "attr")
+        self.assertEquals(attrs.getLength(), 0)
+        self.assertEquals(attrs.getNames(), [])
+        self.assertEquals(attrs.getQNames(), [])
+        self.assertEquals(len(attrs), 0)
+        self.assertFalse(attrs.has_key("attr"))
+        self.assertEquals(attrs.keys(), [])
+        self.assertEquals(attrs.get("attrs"), None)
+        self.assertEquals(attrs.get("attrs", 25), 25)
+        self.assertEquals(attrs.items(), [])
+        self.assertEquals(attrs.values(), [])
+
+    def verify_empty_nsattrs(self, attrs):
+        self.assertRaises(KeyError, attrs.getValue, (ns_uri, "attr"))
+        self.assertRaises(KeyError, attrs.getValueByQName, "ns:attr")
+        self.assertRaises(KeyError, attrs.getNameByQName, "ns:attr")
+        self.assertRaises(KeyError, attrs.getQNameByName, (ns_uri, "attr"))
+        self.assertRaises(KeyError, attrs.__getitem__, (ns_uri, "attr"))
+        self.assertEquals(attrs.getLength(), 0)
+        self.assertEquals(attrs.getNames(), [])
+        self.assertEquals(attrs.getQNames(), [])
+        self.assertEquals(len(attrs), 0)
+        self.assertFalse(attrs.has_key((ns_uri, "attr")))
+        self.assertEquals(attrs.keys(), [])
+        self.assertEquals(attrs.get((ns_uri, "attr")), None)
+        self.assertEquals(attrs.get((ns_uri, "attr"), 25), 25)
+        self.assertEquals(attrs.items(), [])
+        self.assertEquals(attrs.values(), [])
+
+    def verify_attrs_wattr(self, attrs):
+        self.assertEquals(attrs.getLength(), 1)
+        self.assertEquals(attrs.getNames(), ["attr"])
+        self.assertEquals(attrs.getQNames(), ["attr"])
+        self.assertEquals(len(attrs), 1)
+        self.assertTrue(attrs.has_key("attr"))
+        self.assertEquals(attrs.keys(), ["attr"])
+        self.assertEquals(attrs.get("attr"), "val")
+        self.assertEquals(attrs.get("attr", 25), "val")
+        self.assertEquals(attrs.items(), [("attr", "val")])
+        self.assertEquals(attrs.values(), ["val"])
+        self.assertEquals(attrs.getValue("attr"), "val")
+        self.assertEquals(attrs.getValueByQName("attr"), "val")
+        self.assertEquals(attrs.getNameByQName("attr"), "attr")
+        self.assertEquals(attrs["attr"], "val")
+        self.assertEquals(attrs.getQNameByName("attr"), "attr")
+
+class MakeParserTest(unittest.TestCase):
+    def test_make_parser2(self):
+        # Creating parsers several times in a row should succeed.
+        # Testing this because there have been failures of this kind
+        # before.
+        from xml.sax import make_parser
+        p = make_parser()
+        from xml.sax import make_parser
+        p = make_parser()
+        from xml.sax import make_parser
+        p = make_parser()
+        from xml.sax import make_parser
+        p = make_parser()
+        from xml.sax import make_parser
+        p = make_parser()
+        from xml.sax import make_parser
+        p = make_parser()
+
+
+# ===========================================================================
+#
+#   saxutils tests
+#
+# ===========================================================================
+
+class SaxutilsTest(unittest.TestCase):
+    # ===== escape
+    def test_escape_basic(self):
+        self.assertEquals(escape("Donald Duck & Co"), "Donald Duck & Co")
+
+    def test_escape_all(self):
+        self.assertEquals(escape("<Donald Duck & Co>"),
+                          "&lt;Donald Duck &amp; Co&gt;")
+
+    def test_escape_extra(self):
+        self.assertEquals(escape("Hei på deg", {"å" : "&aring;"}),
+                          "Hei p&aring; deg")
+
+    # ===== unescape
+    def test_unescape_basic(self):
+        self.assertEquals(unescape("Donald Duck &amp; Co"), "Donald Duck & Co")
+
+    def test_unescape_all(self):
+        self.assertEquals(unescape("&lt;Donald Duck &amp; Co&gt;"),
+                          "<Donald Duck & Co>")
+
+    def test_unescape_extra(self):
+        self.assertEquals(unescape("Hei på deg", {"å" : "&aring;"}),
+                          "Hei p&aring; deg")
+
+    def test_unescape_amp_extra(self):
+        self.assertEquals(unescape("&amp;foo;", {"&foo;": "splat"}), "&foo;")
+
+    # ===== quoteattr
+    def test_quoteattr_basic(self):
+        self.assertEquals(quoteattr("Donald Duck & Co"),
+                          '"Donald Duck &amp; Co"')
+
+    def test_single_quoteattr(self):
+        self.assertEquals(quoteattr('Includes "double" quotes'),
+                          '\'Includes "double" quotes\'')
+
+    def test_double_quoteattr(self):
+        self.assertEquals(quoteattr("Includes 'single' quotes"),
+                          "\"Includes 'single' quotes\"")
+
+    def test_single_double_quoteattr(self):
+        self.assertEquals(quoteattr("Includes 'single' and \"double\" quotes"),
+                    "\"Includes 'single' and &quot;double&quot; quotes\"")
+
+    # ===== make_parser
+    def test_make_parser(self):
+        # Creating a parser should succeed - it should fall back
+        # to the expatreader
+        p = make_parser(['xml.parsers.no_such_parser'])
+
+
+# ===== XMLGenerator
+
+start = '<?xml version="1.0" encoding="iso-8859-1"?>\n'
+
+class XmlgenTest(unittest.TestCase):
+    def test_xmlgen_basic(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+        gen.startDocument()
+        gen.startElement("doc", {})
+        gen.endElement("doc")
+        gen.endDocument()
+
+        self.assertEquals(result.getvalue(), start + "<doc></doc>")
+
+    def test_xmlgen_content(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+
+        gen.startDocument()
+        gen.startElement("doc", {})
+        gen.characters("huhei")
+        gen.endElement("doc")
+        gen.endDocument()
+
+        self.assertEquals(result.getvalue(), start + "<doc>huhei</doc>")
+
+    def test_xmlgen_pi(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+
+        gen.startDocument()
+        gen.processingInstruction("test", "data")
+        gen.startElement("doc", {})
+        gen.endElement("doc")
+        gen.endDocument()
+
+        self.assertEquals(result.getvalue(), start + "<?test data?><doc></doc>")
+
+    def test_xmlgen_content_escape(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+
+        gen.startDocument()
+        gen.startElement("doc", {})
+        gen.characters("<huhei&")
+        gen.endElement("doc")
+        gen.endDocument()
+
+        self.assertEquals(result.getvalue(),
+            start + "<doc>&lt;huhei&amp;</doc>")
+
+    def test_xmlgen_attr_escape(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+
+        gen.startDocument()
+        gen.startElement("doc", {"a": '"'})
+        gen.startElement("e", {"a": "'"})
+        gen.endElement("e")
+        gen.startElement("e", {"a": "'\""})
+        gen.endElement("e")
+        gen.startElement("e", {"a": "\n\r\t"})
+        gen.endElement("e")
+        gen.endElement("doc")
+        gen.endDocument()
+
+        self.assertEquals(result.getvalue(), start +
+            ("<doc a='\"'><e a=\"'\"></e>"
+             "<e a=\"'&quot;\"></e>"
+             "<e a=\"&#10;&#13;&#9;\"></e></doc>"))
+
+    def test_xmlgen_ignorable(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+
+        gen.startDocument()
+        gen.startElement("doc", {})
+        gen.ignorableWhitespace(" ")
+        gen.endElement("doc")
+        gen.endDocument()
+
+        self.assertEquals(result.getvalue(), start + "<doc> </doc>")
+
+    def test_xmlgen_ns(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+
+        gen.startDocument()
+        gen.startPrefixMapping("ns1", ns_uri)
+        gen.startElementNS((ns_uri, "doc"), "ns1:doc", {})
+        # add an unqualified name
+        gen.startElementNS((None, "udoc"), None, {})
+        gen.endElementNS((None, "udoc"), None)
+        gen.endElementNS((ns_uri, "doc"), "ns1:doc")
+        gen.endPrefixMapping("ns1")
+        gen.endDocument()
+
+        self.assertEquals(result.getvalue(), start + \
+           ('<ns1:doc xmlns:ns1="%s"><udoc></udoc></ns1:doc>' %
+                                         ns_uri))
+
+    def test_1463026_1(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+
+        gen.startDocument()
+        gen.startElementNS((None, 'a'), 'a', {(None, 'b'):'c'})
+        gen.endElementNS((None, 'a'), 'a')
+        gen.endDocument()
+
+        self.assertEquals(result.getvalue(), start+'<a b="c"></a>')
+
+    def test_1463026_2(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+
+        gen.startDocument()
+        gen.startPrefixMapping(None, 'qux')
+        gen.startElementNS(('qux', 'a'), 'a', {})
+        gen.endElementNS(('qux', 'a'), 'a')
+        gen.endPrefixMapping(None)
+        gen.endDocument()
+
+        self.assertEquals(result.getvalue(), start+'<a xmlns="qux"></a>')
+
+    def test_1463026_3(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+
+        gen.startDocument()
+        gen.startPrefixMapping('my', 'qux')
+        gen.startElementNS(('qux', 'a'), 'a', {(None, 'b'):'c'})
+        gen.endElementNS(('qux', 'a'), 'a')
+        gen.endPrefixMapping('my')
+        gen.endDocument()
+
+        self.assertEquals(result.getvalue(),
+            start+'<my:a xmlns:my="qux" b="c"></my:a>')
+
+
+class XMLFilterBaseTest(unittest.TestCase):
+    def test_filter_basic(self):
+        result = StringIO()
+        gen = XMLGenerator(result)
+        filter = XMLFilterBase()
+        filter.setContentHandler(gen)
+
+        filter.startDocument()
+        filter.startElement("doc", {})
+        filter.characters("content")
+        filter.ignorableWhitespace(" ")
+        filter.endElement("doc")
+        filter.endDocument()
+
+        self.assertEquals(result.getvalue(), start + "<doc>content </doc>")
+
+# ===========================================================================
+#
+#   expatreader tests
+#
+# ===========================================================================
+
+xml_test_out = open(findfile("test"+os.extsep+"xml"+os.extsep+"out")).read()
+
+class ExpatReaderTest(XmlTestBase):
+
+    # ===== XMLReader support
+
+    def test_expat_file(self):
+        parser = create_parser()
+        result = StringIO()
+        xmlgen = XMLGenerator(result)
+
+        parser.setContentHandler(xmlgen)
+        parser.parse(open(findfile("test"+os.extsep+"xml")))
+
+        self.assertEquals(result.getvalue(), xml_test_out)
+
+    # ===== DTDHandler support
+
+    class TestDTDHandler:
+
+        def __init__(self):
+            self._notations = []
+            self._entities  = []
+
+        def notationDecl(self, name, publicId, systemId):
+            self._notations.append((name, publicId, systemId))
+
+        def unparsedEntityDecl(self, name, publicId, systemId, ndata):
+            self._entities.append((name, publicId, systemId, ndata))
+
+    def test_expat_dtdhandler(self):
+        parser = create_parser()
+        handler = self.TestDTDHandler()
+        parser.setDTDHandler(handler)
+
+        parser.feed('<!DOCTYPE doc [\n')
+        parser.feed('  <!ENTITY img SYSTEM "expat.gif" NDATA GIF>\n')
+        parser.feed('  <!NOTATION GIF PUBLIC "-//CompuServe//NOTATION Graphics Interchange Format 89a//EN">\n')
+        parser.feed(']>\n')
+        parser.feed('<doc></doc>')
+        parser.close()
+
+        self.assertEquals(handler._notations,
+            [("GIF", "-//CompuServe//NOTATION Graphics Interchange Format 89a//EN", None)])
+        self.assertEquals(handler._entities, [("img", None, "expat.gif", "GIF")])
+
+    # ===== EntityResolver support
+
+    class TestEntityResolver:
+
+        def resolveEntity(self, publicId, systemId):
+            inpsrc = InputSource()
+            inpsrc.setByteStream(StringIO("<entity/>"))
+            return inpsrc
+
+    def test_expat_entityresolver(self):
+        parser = create_parser()
+        parser.setEntityResolver(self.TestEntityResolver())
+        result = StringIO()
+        parser.setContentHandler(XMLGenerator(result))
+
+        parser.feed('<!DOCTYPE doc [\n')
+        parser.feed('  <!ENTITY test SYSTEM "whatever">\n')
+        parser.feed(']>\n')
+        parser.feed('<doc>&test;</doc>')
+        parser.close()
+
+        self.assertEquals(result.getvalue(), start +
+                          "<doc><entity></entity></doc>")
+
+    # ===== Attributes support
+
+    class AttrGatherer(ContentHandler):
+
+        def startElement(self, name, attrs):
+            self._attrs = attrs
+
+        def startElementNS(self, name, qname, attrs):
+            self._attrs = attrs
+
+    def test_expat_attrs_empty(self):
+        parser = create_parser()
+        gather = self.AttrGatherer()
+        parser.setContentHandler(gather)
+
+        parser.feed("<doc/>")
+        parser.close()
+
+        self.verify_empty_attrs(gather._attrs)
+
+    def test_expat_attrs_wattr(self):
+        parser = create_parser()
+        gather = self.AttrGatherer()
+        parser.setContentHandler(gather)
+
+        parser.feed("<doc attr='val'/>")
+        parser.close()
+
+        self.verify_attrs_wattr(gather._attrs)
+
+    def test_expat_nsattrs_empty(self):
+        parser = create_parser(1)
+        gather = self.AttrGatherer()
+        parser.setContentHandler(gather)
+
+        parser.feed("<doc/>")
+        parser.close()
+
+        self.verify_empty_nsattrs(gather._attrs)
+
+    def test_expat_nsattrs_wattr(self):
+        parser = create_parser(1)
+        gather = self.AttrGatherer()
+        parser.setContentHandler(gather)
+
+        parser.feed("<doc xmlns:ns='%s' ns:attr='val'/>" % ns_uri)
+        parser.close()
+
+        attrs = gather._attrs
+
+        self.assertEquals(attrs.getLength(), 1)
+        self.assertEquals(attrs.getNames(), [(ns_uri, "attr")])
+        self.assertTrue((attrs.getQNames() == [] or
+                         attrs.getQNames() == ["ns:attr"]))
+        self.assertEquals(len(attrs), 1)
+        self.assertTrue(attrs.has_key((ns_uri, "attr")))
+        self.assertEquals(attrs.get((ns_uri, "attr")), "val")
+        self.assertEquals(attrs.get((ns_uri, "attr"), 25), "val")
+        self.assertEquals(attrs.items(), [((ns_uri, "attr"), "val")])
+        self.assertEquals(attrs.values(), ["val"])
+        self.assertEquals(attrs.getValue((ns_uri, "attr")), "val")
+        self.assertEquals(attrs[(ns_uri, "attr")], "val")
+
+    # ===== InputSource support
+
+    def test_expat_inpsource_filename(self):
+        parser = create_parser()
+        result = StringIO()
+        xmlgen = XMLGenerator(result)
+
+        parser.setContentHandler(xmlgen)
+        parser.parse(findfile("test"+os.extsep+"xml"))
+
+        self.assertEquals(result.getvalue(), xml_test_out)
+
+    def test_expat_inpsource_sysid(self):
+        parser = create_parser()
+        result = StringIO()
+        xmlgen = XMLGenerator(result)
+
+        parser.setContentHandler(xmlgen)
+        parser.parse(InputSource(findfile("test"+os.extsep+"xml")))
+
+        self.assertEquals(result.getvalue(), xml_test_out)
+
+    def test_expat_inpsource_stream(self):
+        parser = create_parser()
+        result = StringIO()
+        xmlgen = XMLGenerator(result)
+
+        parser.setContentHandler(xmlgen)
+        inpsrc = InputSource()
+        inpsrc.setByteStream(open(findfile("test"+os.extsep+"xml")))
+        parser.parse(inpsrc)
+
+        self.assertEquals(result.getvalue(), xml_test_out)
+
+    # ===== IncrementalParser support
+
+    def test_expat_incremental(self):
+        result = StringIO()
+        xmlgen = XMLGenerator(result)
+        parser = create_parser()
+        parser.setContentHandler(xmlgen)
+
+        parser.feed("<doc>")
+        parser.feed("</doc>")
+        parser.close()
+
+        self.assertEquals(result.getvalue(), start + "<doc></doc>")
+
+    def test_expat_incremental_reset(self):
+        result = StringIO()
+        xmlgen = XMLGenerator(result)
+        parser = create_parser()
+        parser.setContentHandler(xmlgen)
+
+        parser.feed("<doc>")
+        parser.feed("text")
+
+        result = StringIO()
+        xmlgen = XMLGenerator(result)
+        parser.setContentHandler(xmlgen)
+        parser.reset()
+
+        parser.feed("<doc>")
+        parser.feed("text")
+        parser.feed("</doc>")
+        parser.close()
+
+        self.assertEquals(result.getvalue(), start + "<doc>text</doc>")
+
+    # ===== Locator support
+
+    def test_expat_locator_noinfo(self):
+        result = StringIO()
+        xmlgen = XMLGenerator(result)
+        parser = create_parser()
+        parser.setContentHandler(xmlgen)
+
+        parser.feed("<doc>")
+        parser.feed("</doc>")
+        parser.close()
+
+        self.assertEquals(parser.getSystemId(), None)
+        self.assertEquals(parser.getPublicId(), None)
+        self.assertEquals(parser.getLineNumber(), 1)
+
+    def test_expat_locator_withinfo(self):
+        result = StringIO()
+        xmlgen = XMLGenerator(result)
+        parser = create_parser()
+        parser.setContentHandler(xmlgen)
+        parser.parse(findfile("test.xml"))
+
+        self.assertEquals(parser.getSystemId(), findfile("test.xml"))
+        self.assertEquals(parser.getPublicId(), None)
+
+
+# ===========================================================================
+#
+#   error reporting
+#
+# ===========================================================================
+
+class ErrorReportingTest(unittest.TestCase):
+    def test_expat_inpsource_location(self):
+        parser = create_parser()
+        parser.setContentHandler(ContentHandler()) # do nothing
+        source = InputSource()
+        source.setByteStream(StringIO("<foo bar foobar>"))   #ill-formed
+        name = "a file name"
+        source.setSystemId(name)
+        try:
+            parser.parse(source)
+            self.fail()
+        except SAXException, e:
+            self.assertEquals(e.getSystemId(), name)
+
+    def test_expat_incomplete(self):
+        parser = create_parser()
+        parser.setContentHandler(ContentHandler()) # do nothing
+        self.assertRaises(SAXParseException, parser.parse, StringIO("<foo>"))
+
+    def test_sax_parse_exception_str(self):
+        # pass various values from a locator to the SAXParseException to
+        # make sure that the __str__() doesn't fall apart when None is
+        # passed instead of an integer line and column number
+        #
+        # use "normal" values for the locator:
+        str(SAXParseException("message", None,
+                              self.DummyLocator(1, 1)))
+        # use None for the line number:
+        str(SAXParseException("message", None,
+                              self.DummyLocator(None, 1)))
+        # use None for the column number:
+        str(SAXParseException("message", None,
+                              self.DummyLocator(1, None)))
+        # use None for both:
+        str(SAXParseException("message", None,
+                              self.DummyLocator(None, None)))
+
+    class DummyLocator:
+        def __init__(self, lineno, colno):
+            self._lineno = lineno
+            self._colno = colno
+
+        def getPublicId(self):
+            return "pubid"
+
+        def getSystemId(self):
+            return "sysid"
+
+        def getLineNumber(self):
+            return self._lineno
+
+        def getColumnNumber(self):
+            return self._colno
+
+# ===========================================================================
+#
+#   xmlreader tests
+#
+# ===========================================================================
+
+class XmlReaderTest(XmlTestBase):
+
+    # ===== AttributesImpl
+    def test_attrs_empty(self):
+        self.verify_empty_attrs(AttributesImpl({}))
+
+    def test_attrs_wattr(self):
+        self.verify_attrs_wattr(AttributesImpl({"attr" : "val"}))
+
+    def test_nsattrs_empty(self):
+        self.verify_empty_nsattrs(AttributesNSImpl({}, {}))
+
+    def test_nsattrs_wattr(self):
+        attrs = AttributesNSImpl({(ns_uri, "attr") : "val"},
+                                 {(ns_uri, "attr") : "ns:attr"})
+
+        self.assertEquals(attrs.getLength(), 1)
+        self.assertEquals(attrs.getNames(), [(ns_uri, "attr")])
+        self.assertEquals(attrs.getQNames(), ["ns:attr"])
+        self.assertEquals(len(attrs), 1)
+        self.assertTrue(attrs.has_key((ns_uri, "attr")))
+        self.assertEquals(attrs.keys(), [(ns_uri, "attr")])
+        self.assertEquals(attrs.get((ns_uri, "attr")), "val")
+        self.assertEquals(attrs.get((ns_uri, "attr"), 25), "val")
+        self.assertEquals(attrs.items(), [((ns_uri, "attr"), "val")])
+        self.assertEquals(attrs.values(), ["val"])
+        self.assertEquals(attrs.getValue((ns_uri, "attr")), "val")
+        self.assertEquals(attrs.getValueByQName("ns:attr"), "val")
+        self.assertEquals(attrs.getNameByQName("ns:attr"), (ns_uri, "attr"))
+        self.assertEquals(attrs[(ns_uri, "attr")], "val")
+        self.assertEquals(attrs.getQNameByName((ns_uri, "attr")), "ns:attr")
+
+
+    # During the development of Python 2.5, an attempt to move the "xml"
+    # package implementation to a new package ("xmlcore") proved painful.
+    # The goal of this change was to allow applications to be able to
+    # obtain and rely on behavior in the standard library implementation
+    # of the XML support without needing to be concerned about the
+    # availability of the PyXML implementation.
+    #
+    # While the existing import hackery in Lib/xml/__init__.py can cause
+    # PyXML's _xmlpus package to supplant the "xml" package, that only
+    # works because either implementation uses the "xml" package name for
+    # imports.
+    #
+    # The move resulted in a number of problems related to the fact that
+    # the import machinery's "package context" is based on the name that's
+    # being imported rather than the __name__ of the actual package
+    # containment; it wasn't possible for the "xml" package to be replaced
+    # by a simple module that indirected imports to the "xmlcore" package.
+    #
+    # The following two tests exercised bugs that were introduced in that
+    # attempt.  Keeping these tests around will help detect problems with
+    # other attempts to provide reliable access to the standard library's
+    # implementation of the XML support.
+
+    def test_sf_1511497(self):
+        # Bug report: http://www.python.org/sf/1511497
+        import sys
+        old_modules = sys.modules.copy()
+        for modname in sys.modules.keys():
+            if modname.startswith("xml."):
+                del sys.modules[modname]
+        try:
+            import xml.sax.expatreader
+            module = xml.sax.expatreader
+            self.assertEquals(module.__name__, "xml.sax.expatreader")
+        finally:
+            sys.modules.update(old_modules)
+
+    def test_sf_1513611(self):
+        # Bug report: http://www.python.org/sf/1513611
+        sio = StringIO("invalid")
+        parser = make_parser()
+        from xml.sax import SAXParseException
+        self.assertRaises(SAXParseException, parser.parse, sio)
+
+
+def test_main():
+    run_unittest(MakeParserTest,
+                 SaxutilsTest,
+                 XmlgenTest,
+                 ExpatReaderTest,
+                 ErrorReportingTest,
+                 XmlReaderTest)
+
+if __name__ == "__main__":
+    test_main()