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40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
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from django.contrib.sessions.middleware import SessionMiddleware
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from django.middleware.cache import (
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CacheMiddleware, FetchFromCacheMiddleware, UpdateCacheMiddleware,
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)
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from django.middleware.common import CommonMiddleware
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from django.middleware.security import SecurityMiddleware
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from django.test import SimpleTestCase
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from django.utils.deprecation import RemovedInDjango40Warning
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class MiddlewareMixinTests(SimpleTestCase):
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"""
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Deprecation warning is raised when using get_response=None.
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"""
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msg = 'Passing None for the middleware get_response argument is deprecated.'
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def test_deprecation(self):
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with self.assertRaisesMessage(RemovedInDjango40Warning, self.msg):
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CommonMiddleware()
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def test_passing_explicit_none(self):
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with self.assertRaisesMessage(RemovedInDjango40Warning, self.msg):
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CommonMiddleware(None)
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def test_subclass_deprecation(self):
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"""
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Deprecation warning is raised in subclasses overriding __init__()
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without calling super().
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"""
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for middleware in [
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SessionMiddleware,
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CacheMiddleware,
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FetchFromCacheMiddleware,
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UpdateCacheMiddleware,
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SecurityMiddleware,
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]:
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with self.subTest(middleware=middleware):
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with self.assertRaisesMessage(RemovedInDjango40Warning, self.msg):
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middleware()
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