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697 lines
24 KiB
Python
697 lines
24 KiB
Python
# regression test for SAX 2.0 -*- coding: iso-8859-1 -*-
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# $Id$
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from xml.sax import make_parser, ContentHandler, \
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SAXException, SAXReaderNotAvailable, SAXParseException
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try:
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make_parser()
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except SAXReaderNotAvailable:
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# don't try to test this module if we cannot create a parser
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raise ImportError("no XML parsers available")
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from xml.sax.saxutils import XMLGenerator, escape, unescape, quoteattr, \
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XMLFilterBase
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from xml.sax.expatreader import create_parser
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from xml.sax.xmlreader import InputSource, AttributesImpl, AttributesNSImpl
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from io import StringIO
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from test.support import findfile, run_unittest
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import unittest
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import os
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ns_uri = "http://www.python.org/xml-ns/saxtest/"
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class XmlTestBase(unittest.TestCase):
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def verify_empty_attrs(self, attrs):
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self.assertRaises(KeyError, attrs.getValue, "attr")
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self.assertRaises(KeyError, attrs.getValueByQName, "attr")
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self.assertRaises(KeyError, attrs.getNameByQName, "attr")
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self.assertRaises(KeyError, attrs.getQNameByName, "attr")
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self.assertRaises(KeyError, attrs.__getitem__, "attr")
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self.assertEquals(attrs.getLength(), 0)
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self.assertEquals(attrs.getNames(), [])
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self.assertEquals(attrs.getQNames(), [])
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self.assertEquals(len(attrs), 0)
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self.assertFalse("attr" in attrs)
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self.assertEquals(list(attrs.keys()), [])
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self.assertEquals(attrs.get("attrs"), None)
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self.assertEquals(attrs.get("attrs", 25), 25)
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self.assertEquals(list(attrs.items()), [])
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self.assertEquals(list(attrs.values()), [])
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def verify_empty_nsattrs(self, attrs):
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self.assertRaises(KeyError, attrs.getValue, (ns_uri, "attr"))
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self.assertRaises(KeyError, attrs.getValueByQName, "ns:attr")
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self.assertRaises(KeyError, attrs.getNameByQName, "ns:attr")
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self.assertRaises(KeyError, attrs.getQNameByName, (ns_uri, "attr"))
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self.assertRaises(KeyError, attrs.__getitem__, (ns_uri, "attr"))
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self.assertEquals(attrs.getLength(), 0)
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self.assertEquals(attrs.getNames(), [])
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self.assertEquals(attrs.getQNames(), [])
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self.assertEquals(len(attrs), 0)
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self.assertFalse((ns_uri, "attr") in attrs)
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self.assertEquals(list(attrs.keys()), [])
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self.assertEquals(attrs.get((ns_uri, "attr")), None)
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self.assertEquals(attrs.get((ns_uri, "attr"), 25), 25)
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self.assertEquals(list(attrs.items()), [])
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self.assertEquals(list(attrs.values()), [])
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def verify_attrs_wattr(self, attrs):
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self.assertEquals(attrs.getLength(), 1)
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self.assertEquals(attrs.getNames(), ["attr"])
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self.assertEquals(attrs.getQNames(), ["attr"])
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self.assertEquals(len(attrs), 1)
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self.assertTrue("attr" in attrs)
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self.assertEquals(list(attrs.keys()), ["attr"])
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self.assertEquals(attrs.get("attr"), "val")
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self.assertEquals(attrs.get("attr", 25), "val")
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self.assertEquals(list(attrs.items()), [("attr", "val")])
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self.assertEquals(list(attrs.values()), ["val"])
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self.assertEquals(attrs.getValue("attr"), "val")
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self.assertEquals(attrs.getValueByQName("attr"), "val")
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self.assertEquals(attrs.getNameByQName("attr"), "attr")
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self.assertEquals(attrs["attr"], "val")
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self.assertEquals(attrs.getQNameByName("attr"), "attr")
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class MakeParserTest(unittest.TestCase):
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def test_make_parser2(self):
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# Creating parsers several times in a row should succeed.
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# Testing this because there have been failures of this kind
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# before.
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from xml.sax import make_parser
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p = make_parser()
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from xml.sax import make_parser
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p = make_parser()
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from xml.sax import make_parser
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p = make_parser()
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from xml.sax import make_parser
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p = make_parser()
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from xml.sax import make_parser
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p = make_parser()
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from xml.sax import make_parser
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p = make_parser()
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# ===========================================================================
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#
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# saxutils tests
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#
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# ===========================================================================
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class SaxutilsTest(unittest.TestCase):
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# ===== escape
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def test_escape_basic(self):
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self.assertEquals(escape("Donald Duck & Co"), "Donald Duck & Co")
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def test_escape_all(self):
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self.assertEquals(escape("<Donald Duck & Co>"),
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"<Donald Duck & Co>")
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def test_escape_extra(self):
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self.assertEquals(escape("Hei p<> deg", {"<EFBFBD>" : "å"}),
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"Hei på deg")
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# ===== unescape
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def test_unescape_basic(self):
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self.assertEquals(unescape("Donald Duck & Co"), "Donald Duck & Co")
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def test_unescape_all(self):
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self.assertEquals(unescape("<Donald Duck & Co>"),
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"<Donald Duck & Co>")
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def test_unescape_extra(self):
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self.assertEquals(unescape("Hei p<> deg", {"<EFBFBD>" : "å"}),
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"Hei på deg")
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def test_unescape_amp_extra(self):
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self.assertEquals(unescape("&foo;", {"&foo;": "splat"}), "&foo;")
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# ===== quoteattr
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def test_quoteattr_basic(self):
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self.assertEquals(quoteattr("Donald Duck & Co"),
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'"Donald Duck & Co"')
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def test_single_quoteattr(self):
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self.assertEquals(quoteattr('Includes "double" quotes'),
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'\'Includes "double" quotes\'')
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def test_double_quoteattr(self):
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self.assertEquals(quoteattr("Includes 'single' quotes"),
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"\"Includes 'single' quotes\"")
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def test_single_double_quoteattr(self):
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self.assertEquals(quoteattr("Includes 'single' and \"double\" quotes"),
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"\"Includes 'single' and "double" quotes\"")
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# ===== make_parser
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def test_make_parser(self):
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# Creating a parser should succeed - it should fall back
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# to the expatreader
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p = make_parser(['xml.parsers.no_such_parser'])
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# ===== XMLGenerator
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start = '<?xml version="1.0" encoding="iso-8859-1"?>\n'
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class XmlgenTest(unittest.TestCase):
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def test_xmlgen_basic(self):
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result = StringIO()
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gen = XMLGenerator(result)
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gen.startDocument()
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gen.startElement("doc", {})
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gen.endElement("doc")
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gen.endDocument()
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self.assertEquals(result.getvalue(), start + "<doc></doc>")
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def test_xmlgen_content(self):
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result = StringIO()
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gen = XMLGenerator(result)
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gen.startDocument()
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gen.startElement("doc", {})
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gen.characters("huhei")
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gen.endElement("doc")
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gen.endDocument()
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self.assertEquals(result.getvalue(), start + "<doc>huhei</doc>")
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def test_xmlgen_pi(self):
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result = StringIO()
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gen = XMLGenerator(result)
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gen.startDocument()
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gen.processingInstruction("test", "data")
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gen.startElement("doc", {})
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gen.endElement("doc")
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gen.endDocument()
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self.assertEquals(result.getvalue(), start + "<?test data?><doc></doc>")
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def test_xmlgen_content_escape(self):
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result = StringIO()
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gen = XMLGenerator(result)
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gen.startDocument()
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gen.startElement("doc", {})
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gen.characters("<huhei&")
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gen.endElement("doc")
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gen.endDocument()
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self.assertEquals(result.getvalue(),
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start + "<doc><huhei&</doc>")
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def test_xmlgen_attr_escape(self):
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result = StringIO()
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gen = XMLGenerator(result)
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gen.startDocument()
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gen.startElement("doc", {"a": '"'})
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gen.startElement("e", {"a": "'"})
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gen.endElement("e")
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gen.startElement("e", {"a": "'\""})
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gen.endElement("e")
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gen.startElement("e", {"a": "\n\r\t"})
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gen.endElement("e")
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gen.endElement("doc")
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gen.endDocument()
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self.assertEquals(result.getvalue(), start +
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("<doc a='\"'><e a=\"'\"></e>"
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"<e a=\"'"\"></e>"
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"<e a=\" 	\"></e></doc>"))
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def test_xmlgen_ignorable(self):
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result = StringIO()
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gen = XMLGenerator(result)
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gen.startDocument()
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gen.startElement("doc", {})
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gen.ignorableWhitespace(" ")
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gen.endElement("doc")
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gen.endDocument()
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self.assertEquals(result.getvalue(), start + "<doc> </doc>")
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def test_xmlgen_ns(self):
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result = StringIO()
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gen = XMLGenerator(result)
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gen.startDocument()
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gen.startPrefixMapping("ns1", ns_uri)
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gen.startElementNS((ns_uri, "doc"), "ns1:doc", {})
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# add an unqualified name
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gen.startElementNS((None, "udoc"), None, {})
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gen.endElementNS((None, "udoc"), None)
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gen.endElementNS((ns_uri, "doc"), "ns1:doc")
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gen.endPrefixMapping("ns1")
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gen.endDocument()
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self.assertEquals(result.getvalue(), start + \
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('<ns1:doc xmlns:ns1="%s"><udoc></udoc></ns1:doc>' %
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ns_uri))
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def test_1463026_1(self):
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result = StringIO()
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gen = XMLGenerator(result)
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gen.startDocument()
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gen.startElementNS((None, 'a'), 'a', {(None, 'b'):'c'})
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gen.endElementNS((None, 'a'), 'a')
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gen.endDocument()
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self.assertEquals(result.getvalue(), start+'<a b="c"></a>')
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def test_1463026_2(self):
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result = StringIO()
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gen = XMLGenerator(result)
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gen.startDocument()
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gen.startPrefixMapping(None, 'qux')
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gen.startElementNS(('qux', 'a'), 'a', {})
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gen.endElementNS(('qux', 'a'), 'a')
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gen.endPrefixMapping(None)
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gen.endDocument()
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self.assertEquals(result.getvalue(), start+'<a xmlns="qux"></a>')
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def test_1463026_3(self):
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result = StringIO()
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gen = XMLGenerator(result)
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gen.startDocument()
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gen.startPrefixMapping('my', 'qux')
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gen.startElementNS(('qux', 'a'), 'a', {(None, 'b'):'c'})
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gen.endElementNS(('qux', 'a'), 'a')
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gen.endPrefixMapping('my')
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gen.endDocument()
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self.assertEquals(result.getvalue(),
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start+'<my:a xmlns:my="qux" b="c"></my:a>')
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class XMLFilterBaseTest(unittest.TestCase):
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def test_filter_basic(self):
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result = StringIO()
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gen = XMLGenerator(result)
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filter = XMLFilterBase()
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filter.setContentHandler(gen)
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filter.startDocument()
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filter.startElement("doc", {})
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filter.characters("content")
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filter.ignorableWhitespace(" ")
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filter.endElement("doc")
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filter.endDocument()
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self.assertEquals(result.getvalue(), start + "<doc>content </doc>")
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# ===========================================================================
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#
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# expatreader tests
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#
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# ===========================================================================
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xml_test_out = open(findfile("test.xml.out")).read()
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class ExpatReaderTest(XmlTestBase):
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# ===== XMLReader support
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def test_expat_file(self):
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parser = create_parser()
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result = StringIO()
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xmlgen = XMLGenerator(result)
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parser.setContentHandler(xmlgen)
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parser.parse(open(findfile("test.xml")))
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self.assertEquals(result.getvalue(), xml_test_out)
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# ===== DTDHandler support
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class TestDTDHandler:
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def __init__(self):
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self._notations = []
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self._entities = []
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def notationDecl(self, name, publicId, systemId):
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self._notations.append((name, publicId, systemId))
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def unparsedEntityDecl(self, name, publicId, systemId, ndata):
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self._entities.append((name, publicId, systemId, ndata))
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def test_expat_dtdhandler(self):
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parser = create_parser()
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handler = self.TestDTDHandler()
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parser.setDTDHandler(handler)
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parser.feed('<!DOCTYPE doc [\n')
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parser.feed(' <!ENTITY img SYSTEM "expat.gif" NDATA GIF>\n')
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parser.feed(' <!NOTATION GIF PUBLIC "-//CompuServe//NOTATION Graphics Interchange Format 89a//EN">\n')
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parser.feed(']>\n')
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parser.feed('<doc></doc>')
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parser.close()
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self.assertEquals(handler._notations,
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[("GIF", "-//CompuServe//NOTATION Graphics Interchange Format 89a//EN", None)])
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self.assertEquals(handler._entities, [("img", None, "expat.gif", "GIF")])
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# ===== EntityResolver support
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class TestEntityResolver:
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def resolveEntity(self, publicId, systemId):
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inpsrc = InputSource()
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inpsrc.setByteStream(StringIO("<entity/>"))
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return inpsrc
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def test_expat_entityresolver(self):
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parser = create_parser()
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parser.setEntityResolver(self.TestEntityResolver())
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result = StringIO()
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parser.setContentHandler(XMLGenerator(result))
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parser.feed('<!DOCTYPE doc [\n')
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parser.feed(' <!ENTITY test SYSTEM "whatever">\n')
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parser.feed(']>\n')
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parser.feed('<doc>&test;</doc>')
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parser.close()
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self.assertEquals(result.getvalue(), start +
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"<doc><entity></entity></doc>")
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# ===== Attributes support
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class AttrGatherer(ContentHandler):
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def startElement(self, name, attrs):
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self._attrs = attrs
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def startElementNS(self, name, qname, attrs):
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self._attrs = attrs
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def test_expat_attrs_empty(self):
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parser = create_parser()
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gather = self.AttrGatherer()
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parser.setContentHandler(gather)
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parser.feed("<doc/>")
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parser.close()
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self.verify_empty_attrs(gather._attrs)
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def test_expat_attrs_wattr(self):
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parser = create_parser()
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gather = self.AttrGatherer()
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parser.setContentHandler(gather)
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parser.feed("<doc attr='val'/>")
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parser.close()
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self.verify_attrs_wattr(gather._attrs)
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def test_expat_nsattrs_empty(self):
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parser = create_parser(1)
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gather = self.AttrGatherer()
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parser.setContentHandler(gather)
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parser.feed("<doc/>")
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parser.close()
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self.verify_empty_nsattrs(gather._attrs)
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def test_expat_nsattrs_wattr(self):
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parser = create_parser(1)
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gather = self.AttrGatherer()
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parser.setContentHandler(gather)
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parser.feed("<doc xmlns:ns='%s' ns:attr='val'/>" % ns_uri)
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parser.close()
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attrs = gather._attrs
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self.assertEquals(attrs.getLength(), 1)
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self.assertEquals(attrs.getNames(), [(ns_uri, "attr")])
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self.assertTrue((attrs.getQNames() == [] or
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attrs.getQNames() == ["ns:attr"]))
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self.assertEquals(len(attrs), 1)
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self.assertTrue((ns_uri, "attr") in attrs)
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self.assertEquals(attrs.get((ns_uri, "attr")), "val")
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self.assertEquals(attrs.get((ns_uri, "attr"), 25), "val")
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self.assertEquals(list(attrs.items()), [((ns_uri, "attr"), "val")])
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self.assertEquals(list(attrs.values()), ["val"])
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self.assertEquals(attrs.getValue((ns_uri, "attr")), "val")
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self.assertEquals(attrs[(ns_uri, "attr")], "val")
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# ===== InputSource support
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def test_expat_inpsource_filename(self):
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parser = create_parser()
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result = StringIO()
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xmlgen = XMLGenerator(result)
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parser.setContentHandler(xmlgen)
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parser.parse(findfile("test.xml"))
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self.assertEquals(result.getvalue(), xml_test_out)
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def test_expat_inpsource_sysid(self):
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parser = create_parser()
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result = StringIO()
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xmlgen = XMLGenerator(result)
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parser.setContentHandler(xmlgen)
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parser.parse(InputSource(findfile("test.xml")))
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self.assertEquals(result.getvalue(), xml_test_out)
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def test_expat_inpsource_stream(self):
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parser = create_parser()
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result = StringIO()
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xmlgen = XMLGenerator(result)
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parser.setContentHandler(xmlgen)
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inpsrc = InputSource()
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inpsrc.setByteStream(open(findfile("test.xml")))
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parser.parse(inpsrc)
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self.assertEquals(result.getvalue(), xml_test_out)
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# ===== IncrementalParser support
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def test_expat_incremental(self):
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result = StringIO()
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xmlgen = XMLGenerator(result)
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parser = create_parser()
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parser.setContentHandler(xmlgen)
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parser.feed("<doc>")
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parser.feed("</doc>")
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parser.close()
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self.assertEquals(result.getvalue(), start + "<doc></doc>")
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def test_expat_incremental_reset(self):
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result = StringIO()
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xmlgen = XMLGenerator(result)
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parser = create_parser()
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parser.setContentHandler(xmlgen)
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parser.feed("<doc>")
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parser.feed("text")
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result = StringIO()
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xmlgen = XMLGenerator(result)
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parser.setContentHandler(xmlgen)
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parser.reset()
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parser.feed("<doc>")
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parser.feed("text")
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parser.feed("</doc>")
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parser.close()
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self.assertEquals(result.getvalue(), start + "<doc>text</doc>")
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# ===== Locator support
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||
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 as 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((ns_uri, "attr") in attrs)
|
||
self.assertEquals(list(attrs.keys()), [(ns_uri, "attr")])
|
||
self.assertEquals(attrs.get((ns_uri, "attr")), "val")
|
||
self.assertEquals(attrs.get((ns_uri, "attr"), 25), "val")
|
||
self.assertEquals(list(attrs.items()), [((ns_uri, "attr"), "val")])
|
||
self.assertEquals(list(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 list(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()
|