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from __future__ import unicode_literals
from django.core.exceptions import ImproperlyConfigured
from django.core.servers.basehttp import get_internal_wsgi_application
from django.core.wsgi import get_wsgi_application
from django.test import TestCase
from django.test.client import RequestFactory
from django.test.utils import override_settings
from django.utils import six, unittest
class WSGITest(TestCase):
urls = "regressiontests.wsgi.urls"
def test_get_wsgi_application(self):
"""
Verify that ``get_wsgi_application`` returns a functioning WSGI
callable.
"""
application = get_wsgi_application()
environ = RequestFactory()._base_environ(
PATH_INFO="/",
CONTENT_TYPE="text/html; charset=utf-8",
REQUEST_METHOD="GET"
)
response_data = {}
def start_response(status, headers):
response_data["status"] = status
response_data["headers"] = headers
response = application(environ, start_response)
self.assertEqual(response_data["status"], "200 OK")
self.assertEqual(
response_data["headers"],
[('Content-Type', 'text/html; charset=utf-8')])
self.assertEqual(
bytes(response),
b"Content-Type: text/html; charset=utf-8\r\n\r\nHello World!")
class GetInternalWSGIApplicationTest(unittest.TestCase):
@override_settings(WSGI_APPLICATION="regressiontests.wsgi.wsgi.application")
def test_success(self):
"""
If ``WSGI_APPLICATION`` is a dotted path, the referenced object is
returned.
"""
app = get_internal_wsgi_application()
from .wsgi import application
self.assertTrue(app is application)
@override_settings(WSGI_APPLICATION=None)
def test_default(self):
"""
If ``WSGI_APPLICATION`` is ``None``, the return value of
``get_wsgi_application`` is returned.
"""
# Mock out get_wsgi_application so we know its return value is used
fake_app = object()
def mock_get_wsgi_app():
return fake_app
from django.core.servers import basehttp
_orig_get_wsgi_app = basehttp.get_wsgi_application
basehttp.get_wsgi_application = mock_get_wsgi_app
try:
app = get_internal_wsgi_application()
self.assertTrue(app is fake_app)
finally:
basehttp.get_wsgi_application = _orig_get_wsgi_app
@override_settings(WSGI_APPLICATION="regressiontests.wsgi.noexist.app")
def test_bad_module(self):
with six.assertRaisesRegex(self,
ImproperlyConfigured,
r"^WSGI application 'regressiontests.wsgi.noexist.app' could not be loaded; could not import module 'regressiontests.wsgi.noexist':"):
get_internal_wsgi_application()
@override_settings(WSGI_APPLICATION="regressiontests.wsgi.wsgi.noexist")
def test_bad_name(self):
with six.assertRaisesRegex(self,
ImproperlyConfigured,
r"^WSGI application 'regressiontests.wsgi.wsgi.noexist' could not be loaded; can't find 'noexist' in module 'regressiontests.wsgi.wsgi':"):
get_internal_wsgi_application()
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