Fix sandbox mode.

server/guiserver/tests/test_apps.py

 # This file is part of the Juju GUI, which lets users view and manage Juju
 # environments within a graphical interface (https://launchpad.net/juju-gui).
 # Copyright (C) 2013 Canonical Ltd.
 #
 # This program is free software: you can redistribute it and/or modify it under
 # the terms of the GNU Affero General Public License version 3, as published by
 # the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
@@ skipping 92 matching lines @@
         deployer = self.assert_in_spec(spec, 'deployer')
         self.assertIsInstance(deployer, base.Deployer)
 
     def test_tokens(self):
         # The tokens instance is correctly passed to the WebSocket handler.
         app = self.get_app()
         spec = self.get_url_spec(app, r'^/ws$')
         tokens = self.assert_in_spec(spec, 'tokens')
         self.assertIsInstance(tokens, auth.AuthenticationTokenHandler)
 
-    def test_sandbox(self):
+    def test_websocket_excluded_in_sandbox_mode(self):
         # The WebSocket handler is excluded if sandbox mode is enabled.
         app = self.get_app(sandbox=True)
         spec = self.get_url_spec(app, r'^/ws$')
         self.assertIsNone(spec)
 
+    def test_proxy_excluded_in_sandbox_mode(self):
+        # The juju-core HTTPS proxy is excluded if sandbox mode is enabled.
+        app = self.get_app(sandbox=True)
+        spec = self.get_url_spec(app, r'^/juju-core/(.*)$')
+        self.assertIsNone(spec)
+
     def test_static_files(self):
         # The Juju GUI static files are correctly served.
         app = self.get_app()
         spec = self.get_url_spec(app, r'^/juju-ui/(.*)$')
         self.assert_in_spec(spec, 'path', value='/my/guiroot/juju-ui')
 
     def test_core_http_proxy(self):
         # The juju-core HTTPS proxy handler is properly set up.
         app = self.get_app()
         spec = self.get_url_spec(app, r'^/juju-core/(.*)$')
@@ skipping 23 matching lines @@
         options = mock.Mock(**kwargs)
         with mock.patch('guiserver.apps.options', options):
             return apps.redirector()
 
     def test_redirect_all(self):
         # Ensure all paths are handled by HttpsRedirectHandler.
         app = self.get_app()
         spec = self.get_url_spec(app, r'.*$')
         self.assertIsNotNone(spec)
         self.assertEqual(spec.handler_class, handlers.HttpsRedirectHandler)