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195e0cb170
HTTP status code 418 - "I'm a Teaport" was added to http.HTTPStatus in Python 3.9.0a5 [1] that caused failures in middleware_exceptions tests. This changes HTTP status used in middleware_exceptions tests to 402, which exists in all supported versions of Python. [1] https://docs.python.org/3.9/whatsnew/3.9.html#http
342 lines
14 KiB
Python
342 lines
14 KiB
Python
from django.conf import settings
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from django.core.exceptions import MiddlewareNotUsed
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from django.http import HttpResponse
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from django.test import RequestFactory, SimpleTestCase, override_settings
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from . import middleware as mw
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@override_settings(ROOT_URLCONF='middleware_exceptions.urls')
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class MiddlewareTests(SimpleTestCase):
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def tearDown(self):
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mw.log = []
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@override_settings(MIDDLEWARE=['middleware_exceptions.middleware.ProcessViewNoneMiddleware'])
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def test_process_view_return_none(self):
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response = self.client.get('/middleware_exceptions/view/')
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self.assertEqual(mw.log, ['processed view normal_view'])
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self.assertEqual(response.content, b'OK')
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@override_settings(MIDDLEWARE=['middleware_exceptions.middleware.ProcessViewMiddleware'])
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def test_process_view_return_response(self):
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response = self.client.get('/middleware_exceptions/view/')
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self.assertEqual(response.content, b'Processed view normal_view')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.ProcessViewTemplateResponseMiddleware',
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'middleware_exceptions.middleware.LogMiddleware',
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])
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def test_templateresponse_from_process_view_rendered(self):
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"""
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TemplateResponses returned from process_view() must be rendered before
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being passed to any middleware that tries to access response.content,
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such as middleware_exceptions.middleware.LogMiddleware.
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"""
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response = self.client.get('/middleware_exceptions/view/')
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self.assertEqual(response.content, b'Processed view normal_view\nProcessViewTemplateResponseMiddleware')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.ProcessViewTemplateResponseMiddleware',
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'middleware_exceptions.middleware.TemplateResponseMiddleware',
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])
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def test_templateresponse_from_process_view_passed_to_process_template_response(self):
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"""
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TemplateResponses returned from process_view() should be passed to any
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template response middleware.
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"""
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response = self.client.get('/middleware_exceptions/view/')
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expected_lines = [
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b'Processed view normal_view',
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b'ProcessViewTemplateResponseMiddleware',
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b'TemplateResponseMiddleware',
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]
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self.assertEqual(response.content, b'\n'.join(expected_lines))
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@override_settings(MIDDLEWARE=['middleware_exceptions.middleware.TemplateResponseMiddleware'])
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def test_process_template_response(self):
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response = self.client.get('/middleware_exceptions/template_response/')
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self.assertEqual(response.content, b'template_response OK\nTemplateResponseMiddleware')
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@override_settings(MIDDLEWARE=['middleware_exceptions.middleware.NoTemplateResponseMiddleware'])
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def test_process_template_response_returns_none(self):
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msg = (
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"NoTemplateResponseMiddleware.process_template_response didn't "
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"return an HttpResponse object. It returned None instead."
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)
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with self.assertRaisesMessage(ValueError, msg):
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self.client.get('/middleware_exceptions/template_response/')
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@override_settings(MIDDLEWARE=['middleware_exceptions.middleware.LogMiddleware'])
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def test_view_exception_converted_before_middleware(self):
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response = self.client.get('/middleware_exceptions/permission_denied/')
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self.assertEqual(mw.log, [(response.status_code, response.content)])
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self.assertEqual(response.status_code, 403)
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@override_settings(MIDDLEWARE=['middleware_exceptions.middleware.ProcessExceptionMiddleware'])
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def test_view_exception_handled_by_process_exception(self):
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response = self.client.get('/middleware_exceptions/error/')
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self.assertEqual(response.content, b'Exception caught')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.ProcessExceptionLogMiddleware',
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'middleware_exceptions.middleware.ProcessExceptionMiddleware',
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])
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def test_response_from_process_exception_short_circuits_remainder(self):
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response = self.client.get('/middleware_exceptions/error/')
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self.assertEqual(mw.log, [])
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self.assertEqual(response.content, b'Exception caught')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.ProcessExceptionMiddleware',
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'middleware_exceptions.middleware.ProcessExceptionLogMiddleware',
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])
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def test_response_from_process_exception_when_return_response(self):
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response = self.client.get('/middleware_exceptions/error/')
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self.assertEqual(mw.log, ['process-exception'])
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self.assertEqual(response.content, b'Exception caught')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.LogMiddleware',
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'middleware_exceptions.middleware.NotFoundMiddleware',
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])
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def test_exception_in_middleware_converted_before_prior_middleware(self):
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response = self.client.get('/middleware_exceptions/view/')
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self.assertEqual(mw.log, [(404, response.content)])
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self.assertEqual(response.status_code, 404)
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@override_settings(MIDDLEWARE=['middleware_exceptions.middleware.ProcessExceptionMiddleware'])
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def test_exception_in_render_passed_to_process_exception(self):
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response = self.client.get('/middleware_exceptions/exception_in_render/')
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self.assertEqual(response.content, b'Exception caught')
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@override_settings(ROOT_URLCONF='middleware_exceptions.urls')
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class RootUrlconfTests(SimpleTestCase):
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@override_settings(ROOT_URLCONF=None)
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def test_missing_root_urlconf(self):
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# Removing ROOT_URLCONF is safe, as override_settings will restore
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# the previously defined settings.
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del settings.ROOT_URLCONF
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with self.assertRaises(AttributeError):
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self.client.get("/middleware_exceptions/view/")
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class MyMiddleware:
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def __init__(self, get_response):
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raise MiddlewareNotUsed
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def process_request(self, request):
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pass
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class MyMiddlewareWithExceptionMessage:
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def __init__(self, get_response):
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raise MiddlewareNotUsed('spam eggs')
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def process_request(self, request):
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pass
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@override_settings(
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DEBUG=True,
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ROOT_URLCONF='middleware_exceptions.urls',
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MIDDLEWARE=['django.middleware.common.CommonMiddleware'],
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)
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class MiddlewareNotUsedTests(SimpleTestCase):
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rf = RequestFactory()
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def test_raise_exception(self):
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request = self.rf.get('middleware_exceptions/view/')
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with self.assertRaises(MiddlewareNotUsed):
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MyMiddleware(lambda req: HttpResponse()).process_request(request)
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@override_settings(MIDDLEWARE=['middleware_exceptions.tests.MyMiddleware'])
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def test_log(self):
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with self.assertLogs('django.request', 'DEBUG') as cm:
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self.client.get('/middleware_exceptions/view/')
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self.assertEqual(
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cm.records[0].getMessage(),
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"MiddlewareNotUsed: 'middleware_exceptions.tests.MyMiddleware'"
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)
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@override_settings(MIDDLEWARE=['middleware_exceptions.tests.MyMiddlewareWithExceptionMessage'])
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def test_log_custom_message(self):
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with self.assertLogs('django.request', 'DEBUG') as cm:
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self.client.get('/middleware_exceptions/view/')
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self.assertEqual(
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cm.records[0].getMessage(),
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"MiddlewareNotUsed('middleware_exceptions.tests.MyMiddlewareWithExceptionMessage'): spam eggs"
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)
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@override_settings(
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DEBUG=False,
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MIDDLEWARE=['middleware_exceptions.tests.MyMiddleware'],
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)
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def test_do_not_log_when_debug_is_false(self):
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with self.assertRaisesMessage(AssertionError, 'no logs'):
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with self.assertLogs('django.request', 'DEBUG'):
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self.client.get('/middleware_exceptions/view/')
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@override_settings(
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DEBUG=True,
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ROOT_URLCONF='middleware_exceptions.urls',
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)
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class MiddlewareSyncAsyncTests(SimpleTestCase):
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.PaymentMiddleware',
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])
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def test_sync_middleware(self):
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response = self.client.get('/middleware_exceptions/view/')
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self.assertEqual(response.status_code, 402)
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.DecoratedPaymentMiddleware',
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])
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def test_sync_decorated_middleware(self):
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response = self.client.get('/middleware_exceptions/view/')
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self.assertEqual(response.status_code, 402)
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.async_payment_middleware',
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])
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def test_async_middleware(self):
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with self.assertLogs('django.request', 'DEBUG') as cm:
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response = self.client.get('/middleware_exceptions/view/')
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self.assertEqual(response.status_code, 402)
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self.assertEqual(
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cm.records[0].getMessage(),
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"Synchronous middleware "
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"middleware_exceptions.middleware.async_payment_middleware "
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"adapted.",
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)
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.NotSyncOrAsyncMiddleware',
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])
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def test_not_sync_or_async_middleware(self):
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msg = (
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'Middleware '
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'middleware_exceptions.middleware.NotSyncOrAsyncMiddleware must '
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'have at least one of sync_capable/async_capable set to True.'
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)
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with self.assertRaisesMessage(RuntimeError, msg):
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self.client.get('/middleware_exceptions/view/')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.PaymentMiddleware',
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])
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async def test_sync_middleware_async(self):
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with self.assertLogs('django.request', 'DEBUG') as cm:
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response = await self.async_client.get('/middleware_exceptions/view/')
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self.assertEqual(response.status_code, 402)
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self.assertEqual(
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cm.records[0].getMessage(),
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"Asynchronous middleware "
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"middleware_exceptions.middleware.PaymentMiddleware adapted.",
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)
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.async_payment_middleware',
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])
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async def test_async_middleware_async(self):
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with self.assertLogs('django.request', 'WARNING') as cm:
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response = await self.async_client.get('/middleware_exceptions/view/')
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self.assertEqual(response.status_code, 402)
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self.assertEqual(
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cm.records[0].getMessage(),
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'Payment Required: /middleware_exceptions/view/',
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)
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@override_settings(
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DEBUG=False,
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MIDDLEWARE=[
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'middleware_exceptions.middleware.AsyncNoTemplateResponseMiddleware',
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],
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)
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def test_async_process_template_response_returns_none_with_sync_client(self):
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msg = (
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"AsyncNoTemplateResponseMiddleware.process_template_response "
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"didn't return an HttpResponse object."
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)
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with self.assertRaisesMessage(ValueError, msg):
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self.client.get('/middleware_exceptions/template_response/')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.SyncAndAsyncMiddleware',
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])
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async def test_async_and_sync_middleware_async_call(self):
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response = await self.async_client.get('/middleware_exceptions/view/')
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self.assertEqual(response.content, b'OK')
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self.assertEqual(response.status_code, 200)
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.SyncAndAsyncMiddleware',
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])
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def test_async_and_sync_middleware_sync_call(self):
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response = self.client.get('/middleware_exceptions/view/')
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self.assertEqual(response.content, b'OK')
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self.assertEqual(response.status_code, 200)
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@override_settings(ROOT_URLCONF='middleware_exceptions.urls')
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class AsyncMiddlewareTests(SimpleTestCase):
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.AsyncTemplateResponseMiddleware',
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])
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async def test_process_template_response(self):
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response = await self.async_client.get(
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'/middleware_exceptions/template_response/'
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)
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self.assertEqual(
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response.content,
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b'template_response OK\nAsyncTemplateResponseMiddleware',
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)
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.AsyncNoTemplateResponseMiddleware',
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])
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async def test_process_template_response_returns_none(self):
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msg = (
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"AsyncNoTemplateResponseMiddleware.process_template_response "
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"didn't return an HttpResponse object. It returned None instead."
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)
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with self.assertRaisesMessage(ValueError, msg):
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await self.async_client.get('/middleware_exceptions/template_response/')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.AsyncProcessExceptionMiddleware',
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])
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async def test_exception_in_render_passed_to_process_exception(self):
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response = await self.async_client.get(
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'/middleware_exceptions/exception_in_render/'
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)
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self.assertEqual(response.content, b'Exception caught')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.AsyncProcessExceptionMiddleware',
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])
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async def test_exception_in_async_render_passed_to_process_exception(self):
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response = await self.async_client.get(
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'/middleware_exceptions/async_exception_in_render/'
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)
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self.assertEqual(response.content, b'Exception caught')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.AsyncProcessExceptionMiddleware',
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])
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async def test_view_exception_handled_by_process_exception(self):
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response = await self.async_client.get('/middleware_exceptions/error/')
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self.assertEqual(response.content, b'Exception caught')
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@override_settings(MIDDLEWARE=[
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'middleware_exceptions.middleware.AsyncProcessViewMiddleware',
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])
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async def test_process_view_return_response(self):
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response = await self.async_client.get('/middleware_exceptions/view/')
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self.assertEqual(response.content, b'Processed view normal_view')
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