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	git-svn-id: http://code.djangoproject.com/svn/django/trunk@16981 bcc190cf-cafb-0310-a4f2-bffc1f526a37
		
			
				
	
	
		
			225 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			225 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from __future__ import with_statement, absolute_import
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| 
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| from django.forms import EmailField
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| from django.test import SimpleTestCase, TestCase, skipUnlessDBFeature
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| from django.utils.unittest import skip
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| 
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| from .models import Person
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| 
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| 
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| class SkippingTestCase(TestCase):
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|     def test_skip_unless_db_feature(self):
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|         "A test that might be skipped is actually called."
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|         # Total hack, but it works, just want an attribute that's always true.
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|         @skipUnlessDBFeature("__class__")
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|         def test_func():
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|             raise ValueError
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| 
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|         self.assertRaises(ValueError, test_func)
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| 
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| 
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| class AssertNumQueriesTests(TestCase):
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|     urls = 'regressiontests.test_utils.urls'
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| 
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|     def test_assert_num_queries(self):
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|         def test_func():
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|             raise ValueError
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| 
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|         self.assertRaises(ValueError,
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|             self.assertNumQueries, 2, test_func
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|         )
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| 
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|     def test_assert_num_queries_with_client(self):
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|         person = Person.objects.create(name='test')
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| 
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|         self.assertNumQueries(
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|             1,
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|             self.client.get,
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|             "/test_utils/get_person/%s/" % person.pk
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|         )
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| 
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|         self.assertNumQueries(
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|             1,
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|             self.client.get,
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|             "/test_utils/get_person/%s/" % person.pk
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|         )
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| 
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|         def test_func():
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|             self.client.get("/test_utils/get_person/%s/" % person.pk)
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|             self.client.get("/test_utils/get_person/%s/" % person.pk)
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|         self.assertNumQueries(2, test_func)
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| 
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| 
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| class AssertNumQueriesContextManagerTests(TestCase):
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|     urls = 'regressiontests.test_utils.urls'
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| 
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|     def test_simple(self):
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|         with self.assertNumQueries(0):
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|             pass
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| 
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|         with self.assertNumQueries(1):
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|             Person.objects.count()
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| 
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|         with self.assertNumQueries(2):
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|             Person.objects.count()
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|             Person.objects.count()
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| 
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|     def test_failure(self):
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|         with self.assertRaises(AssertionError) as exc_info:
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|             with self.assertNumQueries(2):
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|                 Person.objects.count()
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|         self.assertIn("1 queries executed, 2 expected", str(exc_info.exception))
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| 
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|         with self.assertRaises(TypeError):
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|             with self.assertNumQueries(4000):
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|                 raise TypeError
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| 
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|     def test_with_client(self):
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|         person = Person.objects.create(name="test")
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| 
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|         with self.assertNumQueries(1):
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|             self.client.get("/test_utils/get_person/%s/" % person.pk)
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| 
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|         with self.assertNumQueries(1):
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|             self.client.get("/test_utils/get_person/%s/" % person.pk)
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| 
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|         with self.assertNumQueries(2):
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|             self.client.get("/test_utils/get_person/%s/" % person.pk)
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|             self.client.get("/test_utils/get_person/%s/" % person.pk)
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| 
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| 
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| class SaveRestoreWarningState(TestCase):
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|     def test_save_restore_warnings_state(self):
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|         """
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|         Ensure save_warnings_state/restore_warnings_state work correctly.
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|         """
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|         # In reality this test could be satisfied by many broken implementations
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|         # of save_warnings_state/restore_warnings_state (e.g. just
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|         # warnings.resetwarnings()) , but it is difficult to test more.
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|         import warnings
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|         self.save_warnings_state()
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| 
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|         class MyWarning(Warning):
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|             pass
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| 
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|         # Add a filter that causes an exception to be thrown, so we can catch it
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|         warnings.simplefilter("error", MyWarning)
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|         self.assertRaises(Warning, lambda: warnings.warn("warn", MyWarning))
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| 
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|         # Now restore.
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|         self.restore_warnings_state()
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|         # After restoring, we shouldn't get an exception. But we don't want a
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|         # warning printed either, so we have to silence the warning.
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|         warnings.simplefilter("ignore", MyWarning)
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|         warnings.warn("warn", MyWarning)
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| 
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|         # Remove the filter we just added.
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|         self.restore_warnings_state()
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| 
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| 
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| class SkippingExtraTests(TestCase):
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|     fixtures = ['should_not_be_loaded.json']
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| 
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|     # HACK: This depends on internals of our TestCase subclasses
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|     def __call__(self, result=None):
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|         # Detect fixture loading by counting SQL queries, should be zero
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|         with self.assertNumQueries(0):
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|             super(SkippingExtraTests, self).__call__(result)
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| 
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|     @skip("Fixture loading should not be performed for skipped tests.")
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|     def test_fixtures_are_skipped(self):
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|         pass
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| 
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| 
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| class AssertRaisesMsgTest(SimpleTestCase):
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| 
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|     def test_special_re_chars(self):
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|         """assertRaisesMessage shouldn't interpret RE special chars."""
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|         def func1():
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|             raise ValueError("[.*x+]y?")
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|         self.assertRaisesMessage(ValueError, "[.*x+]y?", func1)
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| 
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| 
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| class AssertFieldOutputTests(SimpleTestCase):
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| 
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|     def test_assert_field_output(self):
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|         error_invalid = [u'Enter a valid e-mail address.']
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|         self.assertFieldOutput(EmailField, {'a@a.com': 'a@a.com'}, {'aaa': error_invalid})
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|         self.assertRaises(AssertionError, self.assertFieldOutput, EmailField, {'a@a.com': 'a@a.com'}, {'aaa': error_invalid + [u'Another error']})
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|         self.assertRaises(AssertionError, self.assertFieldOutput, EmailField, {'a@a.com': 'Wrong output'}, {'aaa': error_invalid})
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|         self.assertRaises(AssertionError, self.assertFieldOutput, EmailField, {'a@a.com': 'a@a.com'}, {'aaa': [u'Come on, gimme some well formatted data, dude.']})
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| 
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| 
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| __test__ = {"API_TEST": r"""
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| # Some checks of the doctest output normalizer.
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| # Standard doctests do fairly
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| >>> from django.utils import simplejson
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| >>> from django.utils.xmlutils import SimplerXMLGenerator
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| >>> from StringIO import StringIO
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| 
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| >>> def produce_long():
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| ...     return 42L
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| 
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| >>> def produce_int():
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| ...     return 42
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| 
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| >>> def produce_json():
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| ...     return simplejson.dumps(['foo', {'bar': ('baz', None, 1.0, 2), 'whiz': 42}])
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| 
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| >>> def produce_xml():
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| ...     stream = StringIO()
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| ...     xml = SimplerXMLGenerator(stream, encoding='utf-8')
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| ...     xml.startDocument()
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| ...     xml.startElement("foo", {"aaa" : "1.0", "bbb": "2.0"})
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| ...     xml.startElement("bar", {"ccc" : "3.0"})
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| ...     xml.characters("Hello")
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| ...     xml.endElement("bar")
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| ...     xml.startElement("whiz", {})
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| ...     xml.characters("Goodbye")
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| ...     xml.endElement("whiz")
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| ...     xml.endElement("foo")
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| ...     xml.endDocument()
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| ...     return stream.getvalue()
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| 
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| >>> def produce_xml_fragment():
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| ...     stream = StringIO()
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| ...     xml = SimplerXMLGenerator(stream, encoding='utf-8')
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| ...     xml.startElement("foo", {"aaa": "1.0", "bbb": "2.0"})
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| ...     xml.characters("Hello")
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| ...     xml.endElement("foo")
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| ...     xml.startElement("bar", {"ccc": "3.0", "ddd": "4.0"})
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| ...     xml.endElement("bar")
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| ...     return stream.getvalue()
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| 
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| # Long values are normalized and are comparable to normal integers ...
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| >>> produce_long()
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| 42
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| 
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| # ... and vice versa
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| >>> produce_int()
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| 42L
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| 
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| # JSON output is normalized for field order, so it doesn't matter
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| # which order json dictionary attributes are listed in output
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| >>> produce_json()
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| '["foo", {"bar": ["baz", null, 1.0, 2], "whiz": 42}]'
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| 
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| >>> produce_json()
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| '["foo", {"whiz": 42, "bar": ["baz", null, 1.0, 2]}]'
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| 
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| # XML output is normalized for attribute order, so it doesn't matter
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| # which order XML element attributes are listed in output
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| >>> produce_xml()
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| '<?xml version="1.0" encoding="UTF-8"?>\n<foo aaa="1.0" bbb="2.0"><bar ccc="3.0">Hello</bar><whiz>Goodbye</whiz></foo>'
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| 
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| >>> produce_xml()
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| '<?xml version="1.0" encoding="UTF-8"?>\n<foo bbb="2.0" aaa="1.0"><bar ccc="3.0">Hello</bar><whiz>Goodbye</whiz></foo>'
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| 
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| >>> produce_xml_fragment()
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| '<foo aaa="1.0" bbb="2.0">Hello</foo><bar ccc="3.0" ddd="4.0"></bar>'
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| 
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| >>> produce_xml_fragment()
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| '<foo bbb="2.0" aaa="1.0">Hello</foo><bar ddd="4.0" ccc="3.0"></bar>'
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| 
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| """}
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