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253 lines
9.2 KiB
Python
253 lines
9.2 KiB
Python
from __future__ import unicode_literals
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import os
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import unittest
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import warnings
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from django.test import RequestFactory, SimpleTestCase, override_settings
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from django.test.utils import reset_warning_registry
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from django.utils import six, translation
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from django.utils.deprecation import RenameMethodsBase
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from django.utils.encoding import force_text
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from django.utils.functional import memoize
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class RenameManagerMethods(RenameMethodsBase):
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renamed_methods = (
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('old', 'new', DeprecationWarning),
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)
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class RenameMethodsTests(SimpleTestCase):
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"""
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Tests the `RenameMethodsBase` type introduced to rename `get_query_set`
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to `get_queryset` across the code base following #15363.
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"""
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def test_class_definition_warnings(self):
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"""
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Ensure a warning is raised upon class definition to suggest renaming
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the faulty method.
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"""
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reset_warning_registry()
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with warnings.catch_warnings(record=True) as recorded:
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warnings.simplefilter('always')
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class Manager(six.with_metaclass(RenameManagerMethods)):
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def old(self):
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pass
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self.assertEqual(len(recorded), 1)
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msg = str(recorded[0].message)
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self.assertEqual(msg,
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'`Manager.old` method should be renamed `new`.')
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def test_get_new_defined(self):
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"""
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Ensure `old` complains and not `new` when only `new` is defined.
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"""
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with warnings.catch_warnings(record=True) as recorded:
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warnings.simplefilter('ignore')
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class Manager(six.with_metaclass(RenameManagerMethods)):
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def new(self):
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pass
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warnings.simplefilter('always')
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manager = Manager()
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manager.new()
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self.assertEqual(len(recorded), 0)
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manager.old()
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self.assertEqual(len(recorded), 1)
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msg = str(recorded.pop().message)
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self.assertEqual(msg,
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'`Manager.old` is deprecated, use `new` instead.')
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def test_get_old_defined(self):
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"""
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Ensure `old` complains when only `old` is defined.
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"""
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with warnings.catch_warnings(record=True) as recorded:
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warnings.simplefilter('ignore')
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class Manager(six.with_metaclass(RenameManagerMethods)):
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def old(self):
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pass
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warnings.simplefilter('always')
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manager = Manager()
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manager.new()
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self.assertEqual(len(recorded), 0)
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manager.old()
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self.assertEqual(len(recorded), 1)
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msg = str(recorded.pop().message)
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self.assertEqual(msg,
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'`Manager.old` is deprecated, use `new` instead.')
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def test_deprecated_subclass_renamed(self):
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"""
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Ensure the correct warnings are raised when a class that didn't rename
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`old` subclass one that did.
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"""
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with warnings.catch_warnings(record=True) as recorded:
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warnings.simplefilter('ignore')
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class Renamed(six.with_metaclass(RenameManagerMethods)):
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def new(self):
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pass
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class Deprecated(Renamed):
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def old(self):
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super(Deprecated, self).old()
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warnings.simplefilter('always')
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deprecated = Deprecated()
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deprecated.new()
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self.assertEqual(len(recorded), 1)
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msg = str(recorded.pop().message)
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self.assertEqual(msg,
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'`Renamed.old` is deprecated, use `new` instead.')
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recorded[:] = []
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deprecated.old()
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self.assertEqual(len(recorded), 2)
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msgs = [str(warning.message) for warning in recorded]
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self.assertEqual(msgs, [
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'`Deprecated.old` is deprecated, use `new` instead.',
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'`Renamed.old` is deprecated, use `new` instead.',
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])
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def test_renamed_subclass_deprecated(self):
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"""
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Ensure the correct warnings are raised when a class that renamed
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`old` subclass one that didn't.
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"""
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with warnings.catch_warnings(record=True) as recorded:
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warnings.simplefilter('ignore')
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class Deprecated(six.with_metaclass(RenameManagerMethods)):
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def old(self):
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pass
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class Renamed(Deprecated):
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def new(self):
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super(Renamed, self).new()
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warnings.simplefilter('always')
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renamed = Renamed()
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renamed.new()
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self.assertEqual(len(recorded), 0)
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renamed.old()
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self.assertEqual(len(recorded), 1)
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msg = str(recorded.pop().message)
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self.assertEqual(msg,
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'`Renamed.old` is deprecated, use `new` instead.')
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def test_deprecated_subclass_renamed_and_mixins(self):
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"""
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Ensure the correct warnings are raised when a subclass inherit from a
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class that renamed `old` and mixins that may or may not have renamed
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`new`.
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"""
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with warnings.catch_warnings(record=True) as recorded:
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warnings.simplefilter('ignore')
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class Renamed(six.with_metaclass(RenameManagerMethods)):
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def new(self):
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pass
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class RenamedMixin(object):
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def new(self):
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super(RenamedMixin, self).new()
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class DeprecatedMixin(object):
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def old(self):
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super(DeprecatedMixin, self).old()
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class Deprecated(DeprecatedMixin, RenamedMixin, Renamed):
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pass
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warnings.simplefilter('always')
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deprecated = Deprecated()
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deprecated.new()
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self.assertEqual(len(recorded), 1)
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msg = str(recorded.pop().message)
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self.assertEqual(msg,
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'`RenamedMixin.old` is deprecated, use `new` instead.')
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deprecated.old()
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self.assertEqual(len(recorded), 2)
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msgs = [str(warning.message) for warning in recorded]
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self.assertEqual(msgs, [
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'`DeprecatedMixin.old` is deprecated, use `new` instead.',
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'`RenamedMixin.old` is deprecated, use `new` instead.',
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])
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class DeprecatingRequestMergeDictTest(SimpleTestCase):
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def test_deprecated_request(self):
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"""
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Ensure the correct warning is raised when WSGIRequest.REQUEST is
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accessed.
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"""
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reset_warning_registry()
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with warnings.catch_warnings(record=True) as recorded:
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warnings.simplefilter('always')
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request = RequestFactory().get('/')
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request.REQUEST # evaluate
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msgs = [str(warning.message) for warning in recorded]
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self.assertEqual(msgs, [
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'`request.REQUEST` is deprecated, use `request.GET` or '
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'`request.POST` instead.',
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'`MergeDict` is deprecated, use `dict.update()` instead.',
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])
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@override_settings(USE_I18N=True)
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class DeprecatedChineseLanguageCodes(SimpleTestCase):
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def test_deprecation_warning(self):
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with warnings.catch_warnings(record=True) as recorded:
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warnings.simplefilter('always')
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with translation.override('zh-cn'):
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pass
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with translation.override('zh-tw'):
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pass
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msgs = [str(warning.message) for warning in recorded]
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self.assertEqual(msgs, [
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"The use of the language code 'zh-cn' is deprecated. "
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"Please use the 'zh-hans' translation instead.",
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"The use of the language code 'zh-tw' is deprecated. "
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"Please use the 'zh-hant' translation instead.",
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])
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class DeprecatingMemoizeTest(SimpleTestCase):
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def test_deprecated_memoize(self):
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"""
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Ensure the correct warning is raised when memoize is used.
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"""
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with warnings.catch_warnings(record=True) as recorded:
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warnings.simplefilter('always')
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memoize(lambda x: x, {}, 1)
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msg = str(recorded.pop().message)
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self.assertEqual(msg,
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'memoize wrapper is deprecated and will be removed in Django '
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'1.9. Use django.utils.lru_cache instead.')
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class DeprecatingSimpleTestCaseUrls(unittest.TestCase):
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def test_deprecation(self):
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"""
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Ensure the correct warning is raised when SimpleTestCase.urls is used.
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"""
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class TempTestCase(SimpleTestCase):
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urls = 'tests.urls'
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def test(self):
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pass
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with warnings.catch_warnings(record=True) as recorded:
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warnings.filterwarnings('always')
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suite = unittest.TestLoader().loadTestsFromTestCase(TempTestCase)
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with open(os.devnull, 'w') as devnull:
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unittest.TextTestRunner(stream=devnull, verbosity=2).run(suite)
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msg = force_text(recorded.pop().message)
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self.assertEqual(msg,
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"SimpleTestCase.urls is deprecated and will be removed in "
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"Django 1.10. Use @override_settings(ROOT_URLCONF=...) "
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"in TempTestCase instead.")
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