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221 lines
8.5 KiB
Python
221 lines
8.5 KiB
Python
import unittest
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from django.core.exceptions import ImproperlyConfigured
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from django.core.handlers.wsgi import WSGIHandler, WSGIRequest, get_script_name
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from django.core.signals import request_finished, request_started
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from django.db import close_old_connections, connection
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from django.test import (
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RequestFactory, SimpleTestCase, TransactionTestCase, override_settings,
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)
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try:
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from http import HTTPStatus
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except ImportError: # Python < 3.5
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HTTPStatus = None
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class HandlerTests(SimpleTestCase):
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def setUp(self):
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request_started.disconnect(close_old_connections)
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def tearDown(self):
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request_started.connect(close_old_connections)
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def test_middleware_initialized(self):
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handler = WSGIHandler()
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self.assertIsNotNone(handler._request_middleware)
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def test_bad_path_info(self):
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"""
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A non-UTF-8 path populates PATH_INFO with an URL-encoded path and
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produces a 404.
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"""
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environ = RequestFactory().get('/').environ
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environ['PATH_INFO'] = '\xed'
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handler = WSGIHandler()
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response = handler(environ, lambda *a, **k: None)
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# The path of the request will be encoded to '/%ED'.
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self.assertEqual(response.status_code, 404)
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def test_non_ascii_query_string(self):
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"""
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Non-ASCII query strings are properly decoded (#20530, #22996).
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"""
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environ = RequestFactory().get('/').environ
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raw_query_strings = [
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b'want=caf%C3%A9', # This is the proper way to encode 'café'
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b'want=caf\xc3\xa9', # UA forgot to quote bytes
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b'want=caf%E9', # UA quoted, but not in UTF-8
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b'want=caf\xe9', # UA forgot to convert Latin-1 to UTF-8 and to quote (typical of MSIE)
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]
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got = []
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for raw_query_string in raw_query_strings:
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# Simulate http.server.BaseHTTPRequestHandler.parse_request handling of raw request
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environ['QUERY_STRING'] = str(raw_query_string, 'iso-8859-1')
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request = WSGIRequest(environ)
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got.append(request.GET['want'])
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# %E9 is converted to the unicode replacement character by parse_qsl
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self.assertEqual(got, ['café', 'café', 'caf\ufffd', 'café'])
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def test_non_ascii_cookie(self):
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"""Non-ASCII cookies set in JavaScript are properly decoded (#20557)."""
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environ = RequestFactory().get('/').environ
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raw_cookie = 'want="café"'.encode('utf-8').decode('iso-8859-1')
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environ['HTTP_COOKIE'] = raw_cookie
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request = WSGIRequest(environ)
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self.assertEqual(request.COOKIES['want'], "café")
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def test_invalid_unicode_cookie(self):
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"""
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Invalid cookie content should result in an absent cookie, but not in a
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crash while trying to decode it (#23638).
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"""
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environ = RequestFactory().get('/').environ
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environ['HTTP_COOKIE'] = 'x=W\x03c(h]\x8e'
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request = WSGIRequest(environ)
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# We don't test COOKIES content, as the result might differ between
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# Python version because parsing invalid content became stricter in
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# latest versions.
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self.assertIsInstance(request.COOKIES, dict)
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@override_settings(ROOT_URLCONF='handlers.urls')
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def test_invalid_multipart_boundary(self):
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"""
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Invalid boundary string should produce a "Bad Request" response, not a
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server error (#23887).
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"""
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environ = RequestFactory().post('/malformed_post/').environ
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environ['CONTENT_TYPE'] = 'multipart/form-data; boundary=WRONG\x07'
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handler = WSGIHandler()
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response = handler(environ, lambda *a, **k: None)
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# Expect "bad request" response
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self.assertEqual(response.status_code, 400)
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@override_settings(ROOT_URLCONF='handlers.urls', MIDDLEWARE=[])
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class TransactionsPerRequestTests(TransactionTestCase):
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available_apps = []
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def test_no_transaction(self):
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response = self.client.get('/in_transaction/')
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self.assertContains(response, 'False')
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def test_auto_transaction(self):
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old_atomic_requests = connection.settings_dict['ATOMIC_REQUESTS']
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try:
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connection.settings_dict['ATOMIC_REQUESTS'] = True
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response = self.client.get('/in_transaction/')
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finally:
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connection.settings_dict['ATOMIC_REQUESTS'] = old_atomic_requests
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self.assertContains(response, 'True')
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def test_no_auto_transaction(self):
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old_atomic_requests = connection.settings_dict['ATOMIC_REQUESTS']
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try:
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connection.settings_dict['ATOMIC_REQUESTS'] = True
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response = self.client.get('/not_in_transaction/')
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finally:
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connection.settings_dict['ATOMIC_REQUESTS'] = old_atomic_requests
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self.assertContains(response, 'False')
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@override_settings(ROOT_URLCONF='handlers.urls')
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class SignalsTests(SimpleTestCase):
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def setUp(self):
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self.signals = []
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self.signaled_environ = None
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request_started.connect(self.register_started)
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request_finished.connect(self.register_finished)
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def tearDown(self):
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request_started.disconnect(self.register_started)
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request_finished.disconnect(self.register_finished)
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def register_started(self, **kwargs):
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self.signals.append('started')
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self.signaled_environ = kwargs.get('environ')
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def register_finished(self, **kwargs):
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self.signals.append('finished')
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def test_request_signals(self):
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response = self.client.get('/regular/')
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self.assertEqual(self.signals, ['started', 'finished'])
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self.assertEqual(response.content, b"regular content")
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self.assertEqual(self.signaled_environ, response.wsgi_request.environ)
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def test_request_signals_streaming_response(self):
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response = self.client.get('/streaming/')
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self.assertEqual(self.signals, ['started'])
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self.assertEqual(b''.join(response.streaming_content), b"streaming content")
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self.assertEqual(self.signals, ['started', 'finished'])
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def empty_middleware(get_response):
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pass
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@override_settings(ROOT_URLCONF='handlers.urls')
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class HandlerRequestTests(SimpleTestCase):
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def test_suspiciousop_in_view_returns_400(self):
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response = self.client.get('/suspicious/')
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self.assertEqual(response.status_code, 400)
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def test_invalid_urls(self):
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response = self.client.get('~%A9helloworld')
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self.assertContains(response, '~%A9helloworld', status_code=404)
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response = self.client.get('d%aao%aaw%aan%aal%aao%aaa%aad%aa/')
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self.assertContains(response, 'd%AAo%AAw%AAn%AAl%AAo%AAa%AAd%AA', status_code=404)
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response = self.client.get('/%E2%99%E2%99%A5/')
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self.assertContains(response, '%E2%99\u2665', status_code=404)
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response = self.client.get('/%E2%98%8E%E2%A9%E2%99%A5/')
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self.assertContains(response, '\u260e%E2%A9\u2665', status_code=404)
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def test_environ_path_info_type(self):
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environ = RequestFactory().get('/%E2%A8%87%87%A5%E2%A8%A0').environ
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self.assertIsInstance(environ['PATH_INFO'], str)
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@unittest.skipIf(HTTPStatus is None, 'HTTPStatus only exists on Python 3.5+')
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def test_handle_accepts_httpstatus_enum_value(self):
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def start_response(status, headers):
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start_response.status = status
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environ = RequestFactory().get('/httpstatus_enum/').environ
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WSGIHandler()(environ, start_response)
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self.assertEqual(start_response.status, '200 OK')
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@override_settings(MIDDLEWARE=['handlers.tests.empty_middleware'])
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def test_middleware_returns_none(self):
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msg = 'Middleware factory handlers.tests.empty_middleware returned None.'
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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self.client.get('/')
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class ScriptNameTests(SimpleTestCase):
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def test_get_script_name(self):
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# Regression test for #23173
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# Test first without PATH_INFO
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script_name = get_script_name({'SCRIPT_URL': '/foobar/'})
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self.assertEqual(script_name, '/foobar/')
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script_name = get_script_name({'SCRIPT_URL': '/foobar/', 'PATH_INFO': '/'})
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self.assertEqual(script_name, '/foobar')
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def test_get_script_name_double_slashes(self):
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"""
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WSGI squashes multiple successive slashes in PATH_INFO, get_script_name
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should take that into account when forming SCRIPT_NAME (#17133).
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"""
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script_name = get_script_name({
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'SCRIPT_URL': '/mst/milestones//accounts/login//help',
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'PATH_INFO': '/milestones/accounts/login/help',
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})
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self.assertEqual(script_name, '/mst')
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