from __future__ import unicode_literals from django.core.exceptions import ImproperlyConfigured from django.core.servers.basehttp import get_internal_wsgi_application from django.core.signals import request_started from django.core.wsgi import get_wsgi_application from django.db import close_old_connections 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 = "wsgi.urls" def setUp(self): request_started.disconnect(close_old_connections) def tearDown(self): request_started.connect(close_old_connections) 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="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="wsgi.noexist.app") def test_bad_module(self): with six.assertRaisesRegex(self, ImproperlyConfigured, r"^WSGI application 'wsgi.noexist.app' could not be loaded; Error importing.*"): get_internal_wsgi_application() @override_settings(WSGI_APPLICATION="wsgi.wsgi.noexist") def test_bad_name(self): with six.assertRaisesRegex(self, ImproperlyConfigured, r"^WSGI application 'wsgi.wsgi.noexist' could not be loaded; Module.*"): get_internal_wsgi_application()