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			87 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			87 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# xml.etree test for cElementTree
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import sys, struct
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from test import support
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from test.support import import_fresh_module
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import unittest
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cET = import_fresh_module('xml.etree.ElementTree',
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                          fresh=['_elementtree'])
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cET_alias = import_fresh_module('xml.etree.cElementTree',
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                                fresh=['_elementtree', 'xml.etree'])
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class MiscTests(unittest.TestCase):
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    # Issue #8651.
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    @support.bigmemtest(size=support._2G + 100, memuse=1)
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    def test_length_overflow(self, size):
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        if size < support._2G + 100:
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            self.skipTest("not enough free memory, need at least 2 GB")
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        data = b'x' * size
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        parser = cET.XMLParser()
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        try:
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            self.assertRaises(OverflowError, parser.feed, data)
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        finally:
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            data = None
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@unittest.skipUnless(cET, 'requires _elementtree')
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class TestAliasWorking(unittest.TestCase):
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    # Test that the cET alias module is alive
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    def test_alias_working(self):
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        e = cET_alias.Element('foo')
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        self.assertEqual(e.tag, 'foo')
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@unittest.skipUnless(cET, 'requires _elementtree')
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class TestAcceleratorImported(unittest.TestCase):
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    # Test that the C accelerator was imported, as expected
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    def test_correct_import_cET(self):
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        self.assertEqual(cET.SubElement.__module__, '_elementtree')
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    def test_correct_import_cET_alias(self):
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        self.assertEqual(cET_alias.SubElement.__module__, '_elementtree')
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@unittest.skipUnless(cET, 'requires _elementtree')
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@support.cpython_only
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class SizeofTest(unittest.TestCase):
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    def setUp(self):
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        self.elementsize = support.calcobjsize('5P')
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        # extra
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        self.extra = struct.calcsize('PiiP4P')
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    check_sizeof = support.check_sizeof
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    def test_element(self):
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        e = cET.Element('a')
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        self.check_sizeof(e, self.elementsize)
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    def test_element_with_attrib(self):
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        e = cET.Element('a', href='about:')
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        self.check_sizeof(e, self.elementsize + self.extra)
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    def test_element_with_children(self):
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        e = cET.Element('a')
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        for i in range(5):
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            cET.SubElement(e, 'span')
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        # should have space for 8 children now
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        self.check_sizeof(e, self.elementsize + self.extra +
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                             struct.calcsize('8P'))
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def test_main():
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    from test import test_xml_etree, test_xml_etree_c
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    # Run the tests specific to the C implementation
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    support.run_unittest(
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        MiscTests,
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        TestAliasWorking,
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        TestAcceleratorImported,
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        SizeofTest,
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        )
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    # Run the same test suite as the Python module
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    test_xml_etree.test_main(module=cET)
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if __name__ == '__main__':
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    test_main()
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