mirror of
				https://github.com/django/django.git
				synced 2025-10-26 07:06:08 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			909 lines
		
	
	
		
			43 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			909 lines
		
	
	
		
			43 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import sys
 | |
| 
 | |
| from django.core.signals import got_request_exception
 | |
| from django.http import HttpResponse
 | |
| from django.template import engines
 | |
| from django.template.response import TemplateResponse
 | |
| from django.test import SimpleTestCase, override_settings
 | |
| from django.test.utils import ignore_warnings
 | |
| from django.utils.deprecation import MiddlewareMixin, RemovedInDjango20Warning
 | |
| 
 | |
| from .tests import MiddlewareNotUsedTests
 | |
| 
 | |
| 
 | |
| class TestException(Exception):
 | |
|     pass
 | |
| 
 | |
| 
 | |
| # A middleware base class that tracks which methods have been called
 | |
| class TestMiddleware(MiddlewareMixin):
 | |
|     def __init__(self, get_response=None):
 | |
|         self.process_request_called = False
 | |
|         self.process_view_called = False
 | |
|         self.process_response_called = False
 | |
|         self.process_template_response_called = False
 | |
|         self.process_exception_called = False
 | |
|         self.get_response = get_response
 | |
| 
 | |
|     def process_request(self, request):
 | |
|         self.process_request_called = True
 | |
| 
 | |
|     def process_view(self, request, view_func, view_args, view_kwargs):
 | |
|         self.process_view_called = True
 | |
| 
 | |
|     def process_template_response(self, request, response):
 | |
|         self.process_template_response_called = True
 | |
|         return response
 | |
| 
 | |
|     def process_response(self, request, response):
 | |
|         self.process_response_called = True
 | |
|         return response
 | |
| 
 | |
|     def process_exception(self, request, exception):
 | |
|         self.process_exception_called = True
 | |
| 
 | |
| 
 | |
| # Middleware examples that do the right thing
 | |
| class RequestMiddleware(TestMiddleware):
 | |
|     def process_request(self, request):
 | |
|         super(RequestMiddleware, self).process_request(request)
 | |
|         return HttpResponse('Request Middleware')
 | |
| 
 | |
| 
 | |
| class ViewMiddleware(TestMiddleware):
 | |
|     def process_view(self, request, view_func, view_args, view_kwargs):
 | |
|         super(ViewMiddleware, self).process_view(request, view_func, view_args, view_kwargs)
 | |
|         return HttpResponse('View Middleware')
 | |
| 
 | |
| 
 | |
| class TemplateResponseViewMiddleware(TestMiddleware):
 | |
|     def process_view(self, request, view_func, view_args, view_kwargs):
 | |
|         super(TemplateResponseViewMiddleware, self).process_view(request, view_func, view_args, view_kwargs)
 | |
|         template = engines['django'].from_string('TemplateResponse View Middleware')
 | |
|         return TemplateResponse(request, template)
 | |
| 
 | |
| 
 | |
| class ResponseMiddleware(TestMiddleware):
 | |
|     def process_response(self, request, response):
 | |
|         super(ResponseMiddleware, self).process_response(request, response)
 | |
|         return HttpResponse('Response Middleware')
 | |
| 
 | |
| 
 | |
| class ContentAccessingResponseMiddleware(TestMiddleware):
 | |
|     def process_response(self, request, response):
 | |
|         super(ContentAccessingResponseMiddleware, self).process_response(request, response)
 | |
|         return HttpResponse('Content-accessing Response Middleware: %d' % len(response.content))
 | |
| 
 | |
| 
 | |
| class TemplateResponseMiddleware(TestMiddleware):
 | |
|     def process_template_response(self, request, response):
 | |
|         super(TemplateResponseMiddleware, self).process_template_response(request, response)
 | |
|         template = engines['django'].from_string('Template Response Middleware')
 | |
|         return TemplateResponse(request, template)
 | |
| 
 | |
| 
 | |
| class ExceptionMiddleware(TestMiddleware):
 | |
|     def process_exception(self, request, exception):
 | |
|         super(ExceptionMiddleware, self).process_exception(request, exception)
 | |
|         return HttpResponse('Exception Middleware')
 | |
| 
 | |
| 
 | |
| # Sample middlewares that raise exceptions
 | |
| class BadRequestMiddleware(TestMiddleware):
 | |
|     def process_request(self, request):
 | |
|         super(BadRequestMiddleware, self).process_request(request)
 | |
|         raise TestException('Test Request Exception')
 | |
| 
 | |
| 
 | |
| class BadViewMiddleware(TestMiddleware):
 | |
|     def process_view(self, request, view_func, view_args, view_kwargs):
 | |
|         super(BadViewMiddleware, self).process_view(request, view_func, view_args, view_kwargs)
 | |
|         raise TestException('Test View Exception')
 | |
| 
 | |
| 
 | |
| class BadTemplateResponseMiddleware(TestMiddleware):
 | |
|     def process_template_response(self, request, response):
 | |
|         super(BadTemplateResponseMiddleware, self).process_template_response(request, response)
 | |
|         raise TestException('Test Template Response Exception')
 | |
| 
 | |
| 
 | |
| class BadResponseMiddleware(TestMiddleware):
 | |
|     def process_response(self, request, response):
 | |
|         super(BadResponseMiddleware, self).process_response(request, response)
 | |
|         raise TestException('Test Response Exception')
 | |
| 
 | |
| 
 | |
| class BadExceptionMiddleware(TestMiddleware):
 | |
|     def process_exception(self, request, exception):
 | |
|         super(BadExceptionMiddleware, self).process_exception(request, exception)
 | |
|         raise TestException('Test Exception Exception')
 | |
| 
 | |
| 
 | |
| # Sample middlewares that omit to return an HttpResonse
 | |
| class NoTemplateResponseMiddleware(TestMiddleware):
 | |
|     def process_template_response(self, request, response):
 | |
|         super(NoTemplateResponseMiddleware, self).process_template_response(request, response)
 | |
| 
 | |
| 
 | |
| class NoResponseMiddleware(TestMiddleware):
 | |
|     def process_response(self, request, response):
 | |
|         super(NoResponseMiddleware, self).process_response(request, response)
 | |
| 
 | |
| 
 | |
| @ignore_warnings(category=RemovedInDjango20Warning)
 | |
| @override_settings(
 | |
|     ROOT_URLCONF='middleware_exceptions.urls',
 | |
|     MIDDLEWARE_CLASSES=['django.middleware.common.CommonMiddleware'],
 | |
|     MIDDLEWARE=None,
 | |
| )
 | |
| class BaseMiddlewareExceptionTest(SimpleTestCase):
 | |
| 
 | |
|     def setUp(self):
 | |
|         self.exceptions = []
 | |
|         got_request_exception.connect(self._on_request_exception)
 | |
|         self.client.handler.load_middleware()
 | |
| 
 | |
|     def tearDown(self):
 | |
|         got_request_exception.disconnect(self._on_request_exception)
 | |
|         self.exceptions = []
 | |
| 
 | |
|     def _on_request_exception(self, sender, request, **kwargs):
 | |
|         self.exceptions.append(sys.exc_info())
 | |
| 
 | |
|     def _add_middleware(self, middleware):
 | |
|         self.client.handler._request_middleware.insert(0, middleware.process_request)
 | |
|         self.client.handler._view_middleware.insert(0, middleware.process_view)
 | |
|         self.client.handler._template_response_middleware.append(middleware.process_template_response)
 | |
|         self.client.handler._response_middleware.append(middleware.process_response)
 | |
|         self.client.handler._exception_middleware.append(middleware.process_exception)
 | |
| 
 | |
|     def assert_exceptions_handled(self, url, errors, extra_error=None):
 | |
|         try:
 | |
|             self.client.get(url)
 | |
|         except TestException:
 | |
|             # Test client intentionally re-raises any exceptions being raised
 | |
|             # during request handling. Hence actual testing that exception was
 | |
|             # properly handled is done by relying on got_request_exception
 | |
|             # signal being sent.
 | |
|             pass
 | |
|         except Exception as e:
 | |
|             if type(extra_error) != type(e):
 | |
|                 self.fail("Unexpected exception: %s" % e)
 | |
|         self.assertEqual(len(self.exceptions), len(errors))
 | |
|         for i, error in enumerate(errors):
 | |
|             exception, value, tb = self.exceptions[i]
 | |
|             self.assertEqual(value.args, (error, ))
 | |
| 
 | |
|     def assert_middleware_usage(self, middleware, request, view, template_response, response, exception):
 | |
|         # include the middleware name for easier debugging of failures
 | |
|         self.assertEqual(
 | |
|             (
 | |
|                 middleware.__class__.__name__,
 | |
|                 middleware.process_request_called,
 | |
|                 middleware.process_view_called,
 | |
|                 middleware.process_template_response_called,
 | |
|                 middleware.process_response_called,
 | |
|                 middleware.process_exception_called,
 | |
|             ), (
 | |
|                 middleware.__class__.__name__,
 | |
|                 request,
 | |
|                 view,
 | |
|                 template_response,
 | |
|                 response,
 | |
|                 exception,
 | |
|             )
 | |
|         )
 | |
| 
 | |
| 
 | |
| class MiddlewareTests(BaseMiddlewareExceptionTest):
 | |
| 
 | |
|     def test_process_request_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = RequestMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, False, False, False, True, False)
 | |
| 
 | |
|     def test_process_view_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ViewMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, False, False, True, False)
 | |
| 
 | |
|     def test_process_response_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, False)
 | |
| 
 | |
|     def test_process_template_response_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = TemplateResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/template_response/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, True, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, True, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, True, True, False)
 | |
| 
 | |
|     def test_process_exception_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ExceptionMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, False)
 | |
| 
 | |
|     def test_process_request_middleware_not_found(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = RequestMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/not_found/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, False, False, False, True, False)
 | |
| 
 | |
|     def test_process_view_middleware_not_found(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ViewMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/not_found/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, False, False, True, False)
 | |
| 
 | |
|     def test_process_template_response_middleware_not_found(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = TemplateResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/not_found/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_response_middleware_not_found(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/not_found/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_exception_middleware_not_found(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ExceptionMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/not_found/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_request_middleware_exception(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = RequestMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/error/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, False, False, False, True, False)
 | |
| 
 | |
|     def test_process_view_middleware_exception(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ViewMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/error/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, False, False, True, False)
 | |
| 
 | |
|     def test_process_response_middleware_exception(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/error/', ['Error in view'], Exception())
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_exception_middleware_exception(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ExceptionMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/error/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_request_middleware_null_view(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = RequestMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/null_view/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, False, False, False, True, False)
 | |
| 
 | |
|     def test_process_view_middleware_null_view(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ViewMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/null_view/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, False, False, True, False)
 | |
| 
 | |
|     def test_process_response_middleware_null_view(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled(
 | |
|             '/middleware_exceptions/null_view/', [
 | |
|                 "The view middleware_exceptions.views.null_view didn't return "
 | |
|                 "an HttpResponse object. It returned None instead."
 | |
|             ],
 | |
|             ValueError()
 | |
|         )
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, False)
 | |
| 
 | |
|     def test_process_exception_middleware_null_view(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ExceptionMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled(
 | |
|             '/middleware_exceptions/null_view/', [
 | |
|                 "The view middleware_exceptions.views.null_view didn't return "
 | |
|                 "an HttpResponse object. It returned None instead."
 | |
|             ],
 | |
|             ValueError()
 | |
|         )
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, False)
 | |
| 
 | |
|     def test_process_request_middleware_permission_denied(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = RequestMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/permission_denied/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, False, False, False, True, False)
 | |
| 
 | |
|     def test_process_view_middleware_permission_denied(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ViewMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/permission_denied/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, False, False, True, False)
 | |
| 
 | |
|     def test_process_response_middleware_permission_denied(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/permission_denied/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_exception_middleware_permission_denied(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = ExceptionMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/permission_denied/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_template_response_error(self):
 | |
|         middleware = TestMiddleware()
 | |
|         self._add_middleware(middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/template_response_error/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(middleware, True, True, True, True, False)
 | |
| 
 | |
|     def test_templateresponse_from_process_view_rendered(self):
 | |
|         view_middleware = TemplateResponseViewMiddleware()
 | |
|         # ContentAccessingResponseMiddleware tries to access response.content
 | |
|         # in its process_response().
 | |
|         post_middleware = ContentAccessingResponseMiddleware()
 | |
|         self._add_middleware(view_middleware)
 | |
|         self._add_middleware(post_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', [])
 | |
|         self.assert_middleware_usage(view_middleware, True, True, True, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, True, True, False)
 | |
| 
 | |
|     def test_templateresponse_from_process_view_passed_to_template_response_middleware(self):
 | |
|         """
 | |
|         TemplateResponses returned from process_view() should be passed to any
 | |
|         process_template_response().
 | |
|         """
 | |
|         view_middleware = TemplateResponseViewMiddleware()
 | |
|         resp_middleware = TemplateResponseMiddleware()
 | |
|         self._add_middleware(view_middleware)
 | |
|         self._add_middleware(resp_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', [])
 | |
|         self.assert_middleware_usage(view_middleware, True, True, True, True, False)
 | |
|         self.assert_middleware_usage(resp_middleware, True, True, True, True, False)
 | |
| 
 | |
| 
 | |
| class BadMiddlewareTests(BaseMiddlewareExceptionTest):
 | |
| 
 | |
|     def test_process_request_bad_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadRequestMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', ['Test Request Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, False, False, False, True, False)
 | |
| 
 | |
|     def test_process_view_bad_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadViewMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', ['Test View Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, False, False, True, False)
 | |
| 
 | |
|     def test_process_template_response_bad_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadTemplateResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled(
 | |
|             '/middleware_exceptions/template_response/',
 | |
|             ['Test Template Response Exception']
 | |
|         )
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, True, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, True, True, False)
 | |
| 
 | |
|     def test_process_response_bad_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', ['Test Response Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, False, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, False)
 | |
| 
 | |
|     def test_process_exception_bad_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadExceptionMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', [])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, False)
 | |
| 
 | |
|     def test_process_request_bad_middleware_not_found(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadRequestMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/not_found/', ['Test Request Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, False, False, False, True, False)
 | |
| 
 | |
|     def test_process_view_bad_middleware_not_found(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadViewMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/not_found/', ['Test View Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, False, False, True, False)
 | |
| 
 | |
|     def test_process_response_bad_middleware_not_found(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/not_found/', ['Test Response Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, False, True)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_exception_bad_middleware_not_found(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadExceptionMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/not_found/', ['Test Exception Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_request_bad_middleware_exception(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadRequestMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/error/', ['Test Request Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, False, False, False, True, False)
 | |
| 
 | |
|     def test_process_view_bad_middleware_exception(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadViewMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/error/', ['Test View Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, False, False, True, False)
 | |
| 
 | |
|     def test_process_response_bad_middleware_exception(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/error/', ['Error in view', 'Test Response Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, False, True)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_exception_bad_middleware_exception(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadExceptionMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/error/', ['Test Exception Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_request_bad_middleware_null_view(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadRequestMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/null_view/', ['Test Request Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, False, False, False, True, False)
 | |
| 
 | |
|     def test_process_view_bad_middleware_null_view(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadViewMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/null_view/', ['Test View Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, False, False, True, False)
 | |
| 
 | |
|     def test_process_response_bad_middleware_null_view(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled(
 | |
|             '/middleware_exceptions/null_view/', [
 | |
|                 "The view middleware_exceptions.views.null_view didn't return "
 | |
|                 "an HttpResponse object. It returned None instead.",
 | |
|                 'Test Response Exception'
 | |
|             ]
 | |
|         )
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, False, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, False)
 | |
| 
 | |
|     def test_process_exception_bad_middleware_null_view(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadExceptionMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled(
 | |
|             '/middleware_exceptions/null_view/', [
 | |
|                 "The view middleware_exceptions.views.null_view didn't return "
 | |
|                 "an HttpResponse object. It returned None instead."
 | |
|             ],
 | |
|             ValueError()
 | |
|         )
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, False)
 | |
| 
 | |
|     def test_process_request_bad_middleware_permission_denied(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadRequestMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/permission_denied/', ['Test Request Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, False, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, False, False, False, True, False)
 | |
| 
 | |
|     def test_process_view_bad_middleware_permission_denied(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadViewMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/permission_denied/', ['Test View Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, False, False, True, False)
 | |
| 
 | |
|     def test_process_response_bad_middleware_permission_denied(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/permission_denied/', ['Test Response Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, False, True)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_exception_bad_middleware_permission_denied(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         bad_middleware = BadExceptionMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(bad_middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/permission_denied/', ['Test Exception Exception'])
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(bad_middleware, True, True, False, True, True)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, True)
 | |
| 
 | |
|     def test_process_response_no_response_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = NoResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled('/middleware_exceptions/view/', [
 | |
|             "NoResponseMiddleware.process_response didn't return an HttpResponse object. It returned None instead."
 | |
|         ],
 | |
|             ValueError())
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, False, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, False, True, False)
 | |
| 
 | |
|     def test_process_template_response_no_response_middleware(self):
 | |
|         pre_middleware = TestMiddleware()
 | |
|         middleware = NoTemplateResponseMiddleware()
 | |
|         post_middleware = TestMiddleware()
 | |
|         self._add_middleware(post_middleware)
 | |
|         self._add_middleware(middleware)
 | |
|         self._add_middleware(pre_middleware)
 | |
|         self.assert_exceptions_handled(
 | |
|             '/middleware_exceptions/template_response/', [
 | |
|                 "NoTemplateResponseMiddleware.process_template_response didn't "
 | |
|                 "return an HttpResponse object. It returned None instead."
 | |
|             ],
 | |
|             ValueError()
 | |
|         )
 | |
| 
 | |
|         # The right middleware methods have been invoked
 | |
|         self.assert_middleware_usage(pre_middleware, True, True, False, True, False)
 | |
|         self.assert_middleware_usage(middleware, True, True, True, True, False)
 | |
|         self.assert_middleware_usage(post_middleware, True, True, True, True, False)
 | |
| 
 | |
| 
 | |
| @ignore_warnings(category=RemovedInDjango20Warning)
 | |
| @override_settings(
 | |
|     MIDDLEWARE_CLASSES=['django.middleware.common.CommonMiddleware'],
 | |
|     MIDDLEWARE=None,
 | |
| )
 | |
| class MiddlewareNotUsedMiddlewareClassesTests(MiddlewareNotUsedTests):
 | |
|     pass
 |