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# regression test for SAX 2.0
# $Id$
from xml.sax import make_parser, ContentHandler, \
SAXException, SAXReaderNotAvailable, SAXParseException
import unittest
from unittest import mock
try:
make_parser()
except SAXReaderNotAvailable:
# don't try to test this module if we cannot create a parser
raise unittest.SkipTest("no XML parsers available")
from xml.sax.saxutils import XMLGenerator, escape, unescape, quoteattr, \
XMLFilterBase, prepare_input_source
from xml.sax.expatreader import create_parser
from xml.sax.handler import feature_namespaces
from xml.sax.xmlreader import InputSource, AttributesImpl, AttributesNSImpl
from io import BytesIO, StringIO
import codecs
import gc
import os.path
import shutil
from test import support
from test.support import findfile, run_unittest, TESTFN
TEST_XMLFILE = findfile("test.xml", subdir="xmltestdata")
TEST_XMLFILE_OUT = findfile("test.xml.out", subdir="xmltestdata")
try:
TEST_XMLFILE.encode("utf-8")
TEST_XMLFILE_OUT.encode("utf-8")
except UnicodeEncodeError:
raise unittest.SkipTest("filename is not encodable to utf8")
supports_nonascii_filenames = True
if not os.path.supports_unicode_filenames:
try:
support.TESTFN_UNICODE.encode(support.TESTFN_ENCODING)
except (UnicodeError, TypeError):
# Either the file system encoding is None, or the file name
# cannot be encoded in the file system encoding.
supports_nonascii_filenames = False
requires_nonascii_filenames = unittest.skipUnless(
supports_nonascii_filenames,
'Requires non-ascii filenames support')
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.assertEqual(attrs.getLength(), 0)
self.assertEqual(attrs.getNames(), [])
self.assertEqual(attrs.getQNames(), [])
self.assertEqual(len(attrs), 0)
self.assertNotIn("attr", attrs)
self.assertEqual(list(attrs.keys()), [])
self.assertEqual(attrs.get("attrs"), None)
self.assertEqual(attrs.get("attrs", 25), 25)
self.assertEqual(list(attrs.items()), [])
self.assertEqual(list(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.assertEqual(attrs.getLength(), 0)
self.assertEqual(attrs.getNames(), [])
self.assertEqual(attrs.getQNames(), [])
self.assertEqual(len(attrs), 0)
self.assertNotIn((ns_uri, "attr"), attrs)
self.assertEqual(list(attrs.keys()), [])
self.assertEqual(attrs.get((ns_uri, "attr")), None)
self.assertEqual(attrs.get((ns_uri, "attr"), 25), 25)
self.assertEqual(list(attrs.items()), [])
self.assertEqual(list(attrs.values()), [])
def verify_attrs_wattr(self, attrs):
self.assertEqual(attrs.getLength(), 1)
self.assertEqual(attrs.getNames(), ["attr"])
self.assertEqual(attrs.getQNames(), ["attr"])
self.assertEqual(len(attrs), 1)
self.assertIn("attr", attrs)
self.assertEqual(list(attrs.keys()), ["attr"])
self.assertEqual(attrs.get("attr"), "val")
self.assertEqual(attrs.get("attr", 25), "val")
self.assertEqual(list(attrs.items()), [("attr", "val")])
self.assertEqual(list(attrs.values()), ["val"])
self.assertEqual(attrs.getValue("attr"), "val")
self.assertEqual(attrs.getValueByQName("attr"), "val")
self.assertEqual(attrs.getNameByQName("attr"), "attr")
self.assertEqual(attrs["attr"], "val")
self.assertEqual(attrs.getQNameByName("attr"), "attr")
def xml_str(doc, encoding=None):
if encoding is None:
return doc
return '<?xml version="1.0" encoding="%s"?>\n%s' % (encoding, doc)
def xml_bytes(doc, encoding, decl_encoding=...):
if decl_encoding is ...:
decl_encoding = encoding
return xml_str(doc, decl_encoding).encode(encoding, 'xmlcharrefreplace')
def make_xml_file(doc, encoding, decl_encoding=...):
if decl_encoding is ...:
decl_encoding = encoding
with open(TESTFN, 'w', encoding=encoding, errors='xmlcharrefreplace') as f:
f.write(xml_str(doc, decl_encoding))
class ParseTest(unittest.TestCase):
data = '<money value="$\xa3\u20ac\U0001017b">$\xa3\u20ac\U0001017b</money>'
def tearDown(self):
support.unlink(TESTFN)
def check_parse(self, f):
from xml.sax import parse
result = StringIO()
parse(f, XMLGenerator(result, 'utf-8'))
self.assertEqual(result.getvalue(), xml_str(self.data, 'utf-8'))
def test_parse_text(self):
encodings = ('us-ascii', 'iso-8859-1', 'utf-8',
'utf-16', 'utf-16le', 'utf-16be')
for encoding in encodings:
self.check_parse(StringIO(xml_str(self.data, encoding)))
make_xml_file(self.data, encoding)
with open(TESTFN, 'r', encoding=encoding) as f:
self.check_parse(f)
self.check_parse(StringIO(self.data))
make_xml_file(self.data, encoding, None)
with open(TESTFN, 'r', encoding=encoding) as f:
self.check_parse(f)
def test_parse_bytes(self):
# UTF-8 is default encoding, US-ASCII is compatible with UTF-8,
# UTF-16 is autodetected
encodings = ('us-ascii', 'utf-8', 'utf-16', 'utf-16le', 'utf-16be')
for encoding in encodings:
self.check_parse(BytesIO(xml_bytes(self.data, encoding)))
make_xml_file(self.data, encoding)
self.check_parse(TESTFN)
with open(TESTFN, 'rb') as f:
self.check_parse(f)
self.check_parse(BytesIO(xml_bytes(self.data, encoding, None)))
make_xml_file(self.data, encoding, None)
self.check_parse(TESTFN)
with open(TESTFN, 'rb') as f:
self.check_parse(f)
# accept UTF-8 with BOM
self.check_parse(BytesIO(xml_bytes(self.data, 'utf-8-sig', 'utf-8')))
make_xml_file(self.data, 'utf-8-sig', 'utf-8')
self.check_parse(TESTFN)
with open(TESTFN, 'rb') as f:
self.check_parse(f)
self.check_parse(BytesIO(xml_bytes(self.data, 'utf-8-sig', None)))
make_xml_file(self.data, 'utf-8-sig', None)
self.check_parse(TESTFN)
with open(TESTFN, 'rb') as f:
self.check_parse(f)
# accept data with declared encoding
self.check_parse(BytesIO(xml_bytes(self.data, 'iso-8859-1')))
make_xml_file(self.data, 'iso-8859-1')
self.check_parse(TESTFN)
with open(TESTFN, 'rb') as f:
self.check_parse(f)
# fail on non-UTF-8 incompatible data without declared encoding
with self.assertRaises(SAXException):
self.check_parse(BytesIO(xml_bytes(self.data, 'iso-8859-1', None)))
make_xml_file(self.data, 'iso-8859-1', None)
with self.assertRaises(SAXException):
self.check_parse(TESTFN)
with open(TESTFN, 'rb') as f:
with self.assertRaises(SAXException):
self.check_parse(f)
def test_parse_InputSource(self):
# accept data without declared but with explicitly specified encoding
make_xml_file(self.data, 'iso-8859-1', None)
with open(TESTFN, 'rb') as f:
input = InputSource()
input.setByteStream(f)
input.setEncoding('iso-8859-1')
self.check_parse(input)
def test_parse_close_source(self):
builtin_open = open
fileobj = None
def mock_open(*args):
nonlocal fileobj
fileobj = builtin_open(*args)
return fileobj
with mock.patch('xml.sax.saxutils.open', side_effect=mock_open):
make_xml_file(self.data, 'iso-8859-1', None)
with self.assertRaises(SAXException):
self.check_parse(TESTFN)
self.assertTrue(fileobj.closed)
def check_parseString(self, s):
from xml.sax import parseString
result = StringIO()
parseString(s, XMLGenerator(result, 'utf-8'))
self.assertEqual(result.getvalue(), xml_str(self.data, 'utf-8'))
def test_parseString_text(self):
encodings = ('us-ascii', 'iso-8859-1', 'utf-8',
'utf-16', 'utf-16le', 'utf-16be')
for encoding in encodings:
self.check_parseString(xml_str(self.data, encoding))
self.check_parseString(self.data)
def test_parseString_bytes(self):
# UTF-8 is default encoding, US-ASCII is compatible with UTF-8,
# UTF-16 is autodetected
encodings = ('us-ascii', 'utf-8', 'utf-16', 'utf-16le', 'utf-16be')
for encoding in encodings:
self.check_parseString(xml_bytes(self.data, encoding))
self.check_parseString(xml_bytes(self.data, encoding, None))
# accept UTF-8 with BOM
self.check_parseString(xml_bytes(self.data, 'utf-8-sig', 'utf-8'))
self.check_parseString(xml_bytes(self.data, 'utf-8-sig', None))
# accept data with declared encoding
self.check_parseString(xml_bytes(self.data, 'iso-8859-1'))
# fail on non-UTF-8 incompatible data without declared encoding
with self.assertRaises(SAXException):
self.check_parseString(xml_bytes(self.data, 'iso-8859-1', None))
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.assertEqual(escape("Donald Duck & Co"), "Donald Duck & Co")
def test_escape_all(self):
self.assertEqual(escape("<Donald Duck & Co>"),
"<Donald Duck & Co>")
def test_escape_extra(self):
self.assertEqual(escape("Hei på deg", {"å" : "å"}),
"Hei på deg")
# ===== unescape
def test_unescape_basic(self):
self.assertEqual(unescape("Donald Duck & Co"), "Donald Duck & Co")
def test_unescape_all(self):
self.assertEqual(unescape("<Donald Duck & Co>"),
"<Donald Duck & Co>")
def test_unescape_extra(self):
self.assertEqual(unescape("Hei på deg", {"å" : "å"}),
"Hei på deg")
def test_unescape_amp_extra(self):
self.assertEqual(unescape("&foo;", {"&foo;": "splat"}), "&foo;")
# ===== quoteattr
def test_quoteattr_basic(self):
self.assertEqual(quoteattr("Donald Duck & Co"),
'"Donald Duck & Co"')
def test_single_quoteattr(self):
self.assertEqual(quoteattr('Includes "double" quotes'),
'\'Includes "double" quotes\'')
def test_double_quoteattr(self):
self.assertEqual(quoteattr("Includes 'single' quotes"),
"\"Includes 'single' quotes\"")
def test_single_double_quoteattr(self):
self.assertEqual(quoteattr("Includes 'single' and \"double\" quotes"),
"\"Includes 'single' and "double" 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'])
class PrepareInputSourceTest(unittest.TestCase):
def setUp(self):
self.file = support.TESTFN
with open(self.file, "w") as tmp:
tmp.write("This was read from a file.")
def tearDown(self):
support.unlink(self.file)
def make_byte_stream(self):
return BytesIO(b"This is a byte stream.")
def make_character_stream(self):
return StringIO("This is a character stream.")
def checkContent(self, stream, content):
self.assertIsNotNone(stream)
self.assertEqual(stream.read(), content)
stream.close()
def test_character_stream(self):
# If the source is an InputSource with a character stream, use it.
src = InputSource(self.file)
src.setCharacterStream(self.make_character_stream())
prep = prepare_input_source(src)
self.assertIsNone(prep.getByteStream())
self.checkContent(prep.getCharacterStream(),
"This is a character stream.")
def test_byte_stream(self):
# If the source is an InputSource that does not have a character
# stream but does have a byte stream, use the byte stream.
src = InputSource(self.file)
src.setByteStream(self.make_byte_stream())
prep = prepare_input_source(src)
self.assertIsNone(prep.getCharacterStream())
self.checkContent(prep.getByteStream(),
b"This is a byte stream.")
def test_system_id(self):
# If the source is an InputSource that has neither a character
# stream nor a byte stream, open the system ID.
src = InputSource(self.file)
prep = prepare_input_source(src)
self.assertIsNone(prep.getCharacterStream())
self.checkContent(prep.getByteStream(),
b"This was read from a file.")
def test_string(self):
# If the source is a string, use it as a system ID and open it.
prep = prepare_input_source(self.file)
self.assertIsNone(prep.getCharacterStream())
self.checkContent(prep.getByteStream(),
b"This was read from a file.")
def test_binary_file(self):
# If the source is a binary file-like object, use it as a byte
# stream.
prep = prepare_input_source(self.make_byte_stream())
self.assertIsNone(prep.getCharacterStream())
self.checkContent(prep.getByteStream(),
b"This is a byte stream.")
def test_text_file(self):
# If the source is a text file-like object, use it as a character
# stream.
prep = prepare_input_source(self.make_character_stream())
self.assertIsNone(prep.getByteStream())
self.checkContent(prep.getCharacterStream(),
"This is a character stream.")
# ===== XMLGenerator
class XmlgenTest:
def test_xmlgen_basic(self):
result = self.ioclass()
gen = XMLGenerator(result)
gen.startDocument()
gen.startElement("doc", {})
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(), self.xml("<doc></doc>"))
def test_xmlgen_basic_empty(self):
result = self.ioclass()
gen = XMLGenerator(result, short_empty_elements=True)
gen.startDocument()
gen.startElement("doc", {})
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(), self.xml("<doc/>"))
def test_xmlgen_content(self):
result = self.ioclass()
gen = XMLGenerator(result)
gen.startDocument()
gen.startElement("doc", {})
gen.characters("huhei")
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(), self.xml("<doc>huhei</doc>"))
def test_xmlgen_content_empty(self):
result = self.ioclass()
gen = XMLGenerator(result, short_empty_elements=True)
gen.startDocument()
gen.startElement("doc", {})
gen.characters("huhei")
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(), self.xml("<doc>huhei</doc>"))
def test_xmlgen_pi(self):
result = self.ioclass()
gen = XMLGenerator(result)
gen.startDocument()
gen.processingInstruction("test", "data")
gen.startElement("doc", {})
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(),
self.xml("<?test data?><doc></doc>"))
def test_xmlgen_content_escape(self):
result = self.ioclass()
gen = XMLGenerator(result)
gen.startDocument()
gen.startElement("doc", {})
gen.characters("<huhei&")
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(),
self.xml("<doc><huhei&</doc>"))
def test_xmlgen_attr_escape(self):
result = self.ioclass()
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.assertEqual(result.getvalue(), self.xml(
"<doc a='\"'><e a=\"'\"></e>"
"<e a=\"'"\"></e>"
"<e a=\" 	\"></e></doc>"))
def test_xmlgen_encoding(self):
encodings = ('iso-8859-15', 'utf-8', 'utf-8-sig',
'utf-16', 'utf-16be', 'utf-16le',
'utf-32', 'utf-32be', 'utf-32le')
for encoding in encodings:
result = self.ioclass()
gen = XMLGenerator(result, encoding=encoding)
gen.startDocument()
gen.startElement("doc", {"a": '\u20ac'})
gen.characters("\u20ac")
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(),
self.xml('<doc a="\u20ac">\u20ac</doc>', encoding=encoding))
def test_xmlgen_unencodable(self):
result = self.ioclass()
gen = XMLGenerator(result, encoding='ascii')
gen.startDocument()
gen.startElement("doc", {"a": '\u20ac'})
gen.characters("\u20ac")
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(),
self.xml('<doc a="€">€</doc>', encoding='ascii'))
def test_xmlgen_ignorable(self):
result = self.ioclass()
gen = XMLGenerator(result)
gen.startDocument()
gen.startElement("doc", {})
gen.ignorableWhitespace(" ")
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(), self.xml("<doc> </doc>"))
def test_xmlgen_ignorable_empty(self):
result = self.ioclass()
gen = XMLGenerator(result, short_empty_elements=True)
gen.startDocument()
gen.startElement("doc", {})
gen.ignorableWhitespace(" ")
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(), self.xml("<doc> </doc>"))
def test_xmlgen_encoding_bytes(self):
encodings = ('iso-8859-15', 'utf-8', 'utf-8-sig',
'utf-16', 'utf-16be', 'utf-16le',
'utf-32', 'utf-32be', 'utf-32le')
for encoding in encodings:
result = self.ioclass()
gen = XMLGenerator(result, encoding=encoding)
gen.startDocument()
gen.startElement("doc", {"a": '\u20ac'})
gen.characters("\u20ac".encode(encoding))
gen.ignorableWhitespace(" ".encode(encoding))
gen.endElement("doc")
gen.endDocument()
self.assertEqual(result.getvalue(),
self.xml('<doc a="\u20ac">\u20ac </doc>', encoding=encoding))
def test_xmlgen_ns(self):
result = self.ioclass()
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.assertEqual(result.getvalue(), self.xml(
'<ns1:doc xmlns:ns1="%s"><udoc></udoc></ns1:doc>' %
ns_uri))
def test_xmlgen_ns_empty(self):
result = self.ioclass()
gen = XMLGenerator(result, short_empty_elements=True)
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.assertEqual(result.getvalue(), self.xml(
'<ns1:doc xmlns:ns1="%s"><udoc/></ns1:doc>' %
ns_uri))
def test_1463026_1(self):
result = self.ioclass()
gen = XMLGenerator(result)
gen.startDocument()
gen.startElementNS((None, 'a'), 'a', {(None, 'b'):'c'})
gen.endElementNS((None, 'a'), 'a')
gen.endDocument()
self.assertEqual(result.getvalue(), self.xml('<a b="c"></a>'))
def test_1463026_1_empty(self):
result = self.ioclass()
gen = XMLGenerator(result, short_empty_elements=True)
gen.startDocument()
gen.startElementNS((None, 'a'), 'a', {(None, 'b'):'c'})
gen.endElementNS((None, 'a'), 'a')
gen.endDocument()
self.assertEqual(result.getvalue(), self.xml('<a b="c"/>'))
def test_1463026_2(self):
result = self.ioclass()
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.assertEqual(result.getvalue(), self.xml('<a xmlns="qux"></a>'))
def test_1463026_2_empty(self):
result = self.ioclass()
gen = XMLGenerator(result, short_empty_elements=True)
gen.startDocument()
gen.startPrefixMapping(None, 'qux')
gen.startElementNS(('qux', 'a'), 'a', {})
gen.endElementNS(('qux', 'a'), 'a')
gen.endPrefixMapping(None)
gen.endDocument()
self.assertEqual(result.getvalue(), self.xml('<a xmlns="qux"/>'))
def test_1463026_3(self):
result = self.ioclass()
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.assertEqual(result.getvalue(),
self.xml('<my:a xmlns:my="qux" b="c"></my:a>'))
def test_1463026_3_empty(self):
result = self.ioclass()
gen = XMLGenerator(result, short_empty_elements=True)
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.assertEqual(result.getvalue(),
self.xml('<my:a xmlns:my="qux" b="c"/>'))
def test_5027_1(self):
# The xml prefix (as in xml:lang below) is reserved and bound by
# definition to http://www.w3.org/XML/1998/namespace. XMLGenerator had
# a bug whereby a KeyError is raised because this namespace is missing
# from a dictionary.
#
# This test demonstrates the bug by parsing a document.
test_xml = StringIO(
'<?xml version="1.0"?>'
'<a:g1 xmlns:a="http://example.com/ns">'
'<a:g2 xml:lang="en">Hello</a:g2>'
'</a:g1>')
parser = make_parser()
parser.setFeature(feature_namespaces, True)
result = self.ioclass()
gen = XMLGenerator(result)
parser.setContentHandler(gen)
parser.parse(test_xml)
self.assertEqual(result.getvalue(),
self.xml(
'<a:g1 xmlns:a="http://example.com/ns">'
'<a:g2 xml:lang="en">Hello</a:g2>'
'</a:g1>'))
def test_5027_2(self):
# The xml prefix (as in xml:lang below) is reserved and bound by
# definition to http://www.w3.org/XML/1998/namespace. XMLGenerator had
# a bug whereby a KeyError is raised because this namespace is missing
# from a dictionary.
#
# This test demonstrates the bug by direct manipulation of the
# XMLGenerator.
result = self.ioclass()
gen = XMLGenerator(result)
gen.startDocument()
gen.startPrefixMapping('a', 'http://example.com/ns')
gen.startElementNS(('http://example.com/ns', 'g1'), 'g1', {})
lang_attr = {('http://www.w3.org/XML/1998/namespace', 'lang'): 'en'}
gen.startElementNS(('http://example.com/ns', 'g2'), 'g2', lang_attr)
gen.characters('Hello')
gen.endElementNS(('http://example.com/ns', 'g2'), 'g2')
gen.endElementNS(('http://example.com/ns', 'g1'), 'g1')
gen.endPrefixMapping('a')
gen.endDocument()
self.assertEqual(result.getvalue(),
self.xml(
'<a:g1 xmlns:a="http://example.com/ns">'
'<a:g2 xml:lang="en">Hello</a:g2>'
'</a:g1>'))
def test_no_close_file(self):
result = self.ioclass()
def func(out):
gen = XMLGenerator(out)
gen.startDocument()
gen.startElement("doc", {})
func(result)
self.assertFalse(result.closed)
def test_xmlgen_fragment(self):
result = self.ioclass()
gen = XMLGenerator(result)
# Don't call gen.startDocument()
gen.startElement("foo", {"a": "1.0"})
gen.characters("Hello")
gen.endElement("foo")
gen.startElement("bar", {"b": "2.0"})
gen.endElement("bar")
# Don't call gen.endDocument()
self.assertEqual(result.getvalue(),
self.xml('<foo a="1.0">Hello</foo><bar b="2.0"></bar>')[len(self.xml('')):])
class StringXmlgenTest(XmlgenTest, unittest.TestCase):
ioclass = StringIO
def xml(self, doc, encoding='iso-8859-1'):
return '<?xml version="1.0" encoding="%s"?>\n%s' % (encoding, doc)
test_xmlgen_unencodable = None
class BytesXmlgenTest(XmlgenTest, unittest.TestCase):
ioclass = BytesIO
def xml(self, doc, encoding='iso-8859-1'):
return ('<?xml version="1.0" encoding="%s"?>\n%s' %
(encoding, doc)).encode(encoding, 'xmlcharrefreplace')
class WriterXmlgenTest(BytesXmlgenTest):
class ioclass(list):
write = list.append
closed = False
def seekable(self):
return True
def tell(self):
# return 0 at start and not 0 after start
return len(self)
def getvalue(self):
return b''.join(self)
class StreamWriterXmlgenTest(XmlgenTest, unittest.TestCase):
def ioclass(self):
raw = BytesIO()
writer = codecs.getwriter('ascii')(raw, 'xmlcharrefreplace')
writer.getvalue = raw.getvalue
return writer
def xml(self, doc, encoding='iso-8859-1'):
return ('<?xml version="1.0" encoding="%s"?>\n%s' %
(encoding, doc)).encode('ascii', 'xmlcharrefreplace')
class StreamReaderWriterXmlgenTest(XmlgenTest, unittest.TestCase):
fname = support.TESTFN + '-codecs'
def ioclass(self):
writer = codecs.open(self.fname, 'w', encoding='ascii',
errors='xmlcharrefreplace', buffering=0)
def cleanup():
writer.close()
support.unlink(self.fname)
self.addCleanup(cleanup)
def getvalue():
# Windows will not let use reopen without first closing
writer.close()
with open(writer.name, 'rb') as f:
return f.read()
writer.getvalue = getvalue
return writer
def xml(self, doc, encoding='iso-8859-1'):
return ('<?xml version="1.0" encoding="%s"?>\n%s' %
(encoding, doc)).encode('ascii', 'xmlcharrefreplace')
start = b'<?xml version="1.0" encoding="iso-8859-1"?>\n'
class XMLFilterBaseTest(unittest.TestCase):
def test_filter_basic(self):
result = BytesIO()
gen = XMLGenerator(result)
filter = XMLFilterBase()
filter.setContentHandler(gen)
filter.startDocument()
filter.startElement("doc", {})
filter.characters("content")
filter.ignorableWhitespace(" ")
filter.endElement("doc")
filter.endDocument()
self.assertEqual(result.getvalue(), start + b"<doc>content </doc>")
# ===========================================================================
#
# expatreader tests
#
# ===========================================================================
with open(TEST_XMLFILE_OUT, 'rb') as f:
xml_test_out = f.read()
class ExpatReaderTest(XmlTestBase):
# ===== XMLReader support
def test_expat_binary_file(self):
parser = create_parser()
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
with open(TEST_XMLFILE, 'rb') as f:
parser.parse(f)
self.assertEqual(result.getvalue(), xml_test_out)
def test_expat_text_file(self):
parser = create_parser()
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
with open(TEST_XMLFILE, 'rt', encoding='iso-8859-1') as f:
parser.parse(f)
self.assertEqual(result.getvalue(), xml_test_out)
@requires_nonascii_filenames
def test_expat_binary_file_nonascii(self):
fname = support.TESTFN_UNICODE
shutil.copyfile(TEST_XMLFILE, fname)
self.addCleanup(support.unlink, fname)
parser = create_parser()
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
parser.parse(open(fname, 'rb'))
self.assertEqual(result.getvalue(), xml_test_out)
def test_expat_binary_file_bytes_name(self):
fname = os.fsencode(TEST_XMLFILE)
parser = create_parser()
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
with open(fname, 'rb') as f:
parser.parse(f)
self.assertEqual(result.getvalue(), xml_test_out)
def test_expat_binary_file_int_name(self):
parser = create_parser()
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
with open(TEST_XMLFILE, 'rb') as f:
with open(f.fileno(), 'rb', closefd=False) as f2:
parser.parse(f2)
self.assertEqual(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.assertEqual(handler._notations,
[("GIF", "-//CompuServe//NOTATION Graphics Interchange Format 89a//EN", None)])
self.assertEqual(handler._entities, [("img", None, "expat.gif", "GIF")])
# ===== EntityResolver support
class TestEntityResolver:
def resolveEntity(self, publicId, systemId):
inpsrc = InputSource()
inpsrc.setByteStream(BytesIO(b"<entity/>"))
return inpsrc
def test_expat_entityresolver(self):
parser = create_parser()
parser.setEntityResolver(self.TestEntityResolver())
result = BytesIO()
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.assertEqual(result.getvalue(), start +
b"<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.assertEqual(attrs.getLength(), 1)
self.assertEqual(attrs.getNames(), [(ns_uri, "attr")])
self.assertTrue((attrs.getQNames() == [] or
attrs.getQNames() == ["ns:attr"]))
self.assertEqual(len(attrs), 1)
self.assertIn((ns_uri, "attr"), attrs)
self.assertEqual(attrs.get((ns_uri, "attr")), "val")
self.assertEqual(attrs.get((ns_uri, "attr"), 25), "val")
self.assertEqual(list(attrs.items()), [((ns_uri, "attr"), "val")])
self.assertEqual(list(attrs.values()), ["val"])
self.assertEqual(attrs.getValue((ns_uri, "attr")), "val")
self.assertEqual(attrs[(ns_uri, "attr")], "val")
# ===== InputSource support
def test_expat_inpsource_filename(self):
parser = create_parser()
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
parser.parse(TEST_XMLFILE)
self.assertEqual(result.getvalue(), xml_test_out)
def test_expat_inpsource_sysid(self):
parser = create_parser()
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
parser.parse(InputSource(TEST_XMLFILE))
self.assertEqual(result.getvalue(), xml_test_out)
@requires_nonascii_filenames
def test_expat_inpsource_sysid_nonascii(self):
fname = support.TESTFN_UNICODE
shutil.copyfile(TEST_XMLFILE, fname)
self.addCleanup(support.unlink, fname)
parser = create_parser()
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
parser.parse(InputSource(fname))
self.assertEqual(result.getvalue(), xml_test_out)
def test_expat_inpsource_byte_stream(self):
parser = create_parser()
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
inpsrc = InputSource()
with open(TEST_XMLFILE, 'rb') as f:
inpsrc.setByteStream(f)
parser.parse(inpsrc)
self.assertEqual(result.getvalue(), xml_test_out)
def test_expat_inpsource_character_stream(self):
parser = create_parser()
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
inpsrc = InputSource()
with open(TEST_XMLFILE, 'rt', encoding='iso-8859-1') as f:
inpsrc.setCharacterStream(f)
parser.parse(inpsrc)
self.assertEqual(result.getvalue(), xml_test_out)
# ===== IncrementalParser support
def test_expat_incremental(self):
result = BytesIO()
xmlgen = XMLGenerator(result)
parser = create_parser()
parser.setContentHandler(xmlgen)
parser.feed("<doc>")
parser.feed("</doc>")
parser.close()
self.assertEqual(result.getvalue(), start + b"<doc></doc>")
def test_expat_incremental_reset(self):
result = BytesIO()
xmlgen = XMLGenerator(result)
parser = create_parser()
parser.setContentHandler(xmlgen)
parser.feed("<doc>")
parser.feed("text")
result = BytesIO()
xmlgen = XMLGenerator(result)
parser.setContentHandler(xmlgen)
parser.reset()
parser.feed("<doc>")
parser.feed("text")
parser.feed("</doc>")
parser.close()
self.assertEqual(result.getvalue(), start + b"<doc>text</doc>")
# ===== Locator support
def test_expat_locator_noinfo(self):
result = BytesIO()
xmlgen = XMLGenerator(result)
parser = create_parser()
parser.setContentHandler(xmlgen)
parser.feed("<doc>")
parser.feed("</doc>")
parser.close()
self.assertEqual(parser.getSystemId(), None)
self.assertEqual(parser.getPublicId(), None)
self.assertEqual(parser.getLineNumber(), 1)
def test_expat_locator_withinfo(self):
result = BytesIO()
xmlgen = XMLGenerator(result)
parser = create_parser()
parser.setContentHandler(xmlgen)
parser.parse(TEST_XMLFILE)
self.assertEqual(parser.getSystemId(), TEST_XMLFILE)
self.assertEqual(parser.getPublicId(), None)
@requires_nonascii_filenames
def test_expat_locator_withinfo_nonascii(self):
fname = support.TESTFN_UNICODE
shutil.copyfile(TEST_XMLFILE, fname)
self.addCleanup(support.unlink, fname)
result = BytesIO()
xmlgen = XMLGenerator(result)
parser = create_parser()
parser.setContentHandler(xmlgen)
parser.parse(fname)
self.assertEqual(parser.getSystemId(), fname)
self.assertEqual(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(BytesIO(b"<foo bar foobar>")) #ill-formed
name = "a file name"
source.setSystemId(name)
try:
parser.parse(source)
self.fail()
except SAXException as e:
self.assertEqual(e.getSystemId(), name)
def test_expat_incomplete(self):
parser = create_parser()
parser.setContentHandler(ContentHandler()) # do nothing
self.assertRaises(SAXParseException, parser.parse, StringIO("<foo>"))
self.assertEqual(parser.getColumnNumber(), 5)
self.assertEqual(parser.getLineNumber(), 1)
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.assertEqual(attrs.getLength(), 1)
self.assertEqual(attrs.getNames(), [(ns_uri, "attr")])
self.assertEqual(attrs.getQNames(), ["ns:attr"])
self.assertEqual(len(attrs), 1)
self.assertIn((ns_uri, "attr"), attrs)
self.assertEqual(list(attrs.keys()), [(ns_uri, "attr")])
self.assertEqual(attrs.get((ns_uri, "attr")), "val")
self.assertEqual(attrs.get((ns_uri, "attr"), 25), "val")
self.assertEqual(list(attrs.items()), [((ns_uri, "attr"), "val")])
self.assertEqual(list(attrs.values()), ["val"])
self.assertEqual(attrs.getValue((ns_uri, "attr")), "val")
self.assertEqual(attrs.getValueByQName("ns:attr"), "val")
self.assertEqual(attrs.getNameByQName("ns:attr"), (ns_uri, "attr"))
self.assertEqual(attrs[(ns_uri, "attr")], "val")
self.assertEqual(attrs.getQNameByName((ns_uri, "attr")), "ns:attr")
def test_main():
run_unittest(MakeParserTest,
ParseTest,
SaxutilsTest,
PrepareInputSourceTest,
StringXmlgenTest,
BytesXmlgenTest,
WriterXmlgenTest,
StreamWriterXmlgenTest,
StreamReaderWriterXmlgenTest,
ExpatReaderTest,
ErrorReportingTest,
XmlReaderTest)
if __name__ == "__main__":
test_main()
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