diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_sax.py | 124 |
1 files changed, 123 insertions, 1 deletions
diff --git a/Lib/test/test_sax.py b/Lib/test/test_sax.py index c8d5b21..eabbf57 100644 --- a/Lib/test/test_sax.py +++ b/Lib/test/test_sax.py @@ -16,10 +16,11 @@ 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 +from test.support import findfile, run_unittest, TESTFN TEST_XMLFILE = findfile("test.xml", subdir="xmltestdata") TEST_XMLFILE_OUT = findfile("test.xml.out", subdir="xmltestdata") @@ -95,6 +96,126 @@ class XmlTestBase(unittest.TestCase): 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 support.check_warnings(('unclosed file', ResourceWarning)): + # XXX Failed parser leaks an opened file. + with self.assertRaises(SAXException): + self.check_parse(TESTFN) + # Collect leaked file. + gc.collect() + 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 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_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. @@ -1082,6 +1203,7 @@ class XmlReaderTest(XmlTestBase): def test_main(): run_unittest(MakeParserTest, + ParseTest, SaxutilsTest, PrepareInputSourceTest, StringXmlgenTest, |