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import sys
from django.test import TestCase
from django.core.signals import got_request_exception
class TestException(Exception):
pass
class TestMiddleware(object):
def process_request(self, request):
raise TestException('Test Exception')
class MiddlewareExceptionTest(TestCase):
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 test_process_request(self):
self.client.handler._request_middleware.insert(0, TestMiddleware().process_request)
try:
response = self.client.get('/')
except TestException, e:
# Test client indefinitely 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, e:
self.fail("Unexpected exception: %s" % e)
self.assertEquals(len(self.exceptions), 1)
exception, value, tb = self.exceptions[0]
self.assertEquals(value.args, ('Test Exception', ))
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