test: Reduce value duplication in testWSGI.

caucase/test.py

@@ -1423,11 +1423,14 @@ class CaucaseTest(unittest.TestCase):
       getCertificateSigningRequest = _placeholder
       getCertificate = _placeholder
 
+    server_name = u'caucase.example.com'
+    server_http_port = 8000
+    server_https_port = server_http_port + 1
     application = wsgi.Application(
       DummyCAU(),
       None,
-      'http://caucase.example.com:8000',
-      'https://caucase.example.com:8001',
+      'http://%s:%i' % (server_name, server_http_port),
+      'https://%s:%i' % (server_name, server_https_port),
       wsgi.CORSTokenManager(),
     )
     def request(environ):
@@ -1436,9 +1439,8 @@ class CaucaseTest(unittest.TestCase):
       """
       environ.setdefault('wsgi.errors', sys.stderr)
       environ.setdefault('wsgi.url_scheme', 'http')
-      name, port = self._server_netloc.split(':')
-      environ.setdefault('SERVER_NAME', name)
-      environ.setdefault('SERVER_PORT', port)
+      environ.setdefault('SERVER_NAME', server_name)
+      environ.setdefault('SERVER_PORT', str(server_http_port))
       start_response_list = []
       body = list(application(
         environ,
@@ -1458,14 +1460,17 @@ class CaucaseTest(unittest.TestCase):
       return int(status), reason, header_dict, b''.join(body)
     UNAUTHORISED_STATUS = 401
 
-    HATEOAS_HTTP_PREFIX = u"http://caucase.example.com:8000/base/path"
-    HATEOAS_HTTPS_PREFIX = u"https://caucase.example.com:8001/base/path"
+    HATEOAS_HTTP_PREFIX = u"http://%s:%i/base/path" % (
+      server_name,
+      server_http_port,
+    )
+    HATEOAS_HTTPS_PREFIX = u"https://%s:%i/base/path" % (
+      server_name,
+      server_https_port,
+    )
     root_hateoas_request = request({
       'SCRIPT_NAME': '/base/path',
       'REQUEST_METHOD': 'GET',
-      'wsgi.url_scheme': 'http',
-      'SERVER_NAME': 'caucase.example.com',
-      'SERVER_PORT': '8000',
     })
     self.maxDiff = None
     self.assertEqual(root_hateoas_request[0], 200)
@@ -1489,9 +1494,6 @@ class CaucaseTest(unittest.TestCase):
       'SCRIPT_NAME': '/base/path',
       'PATH_INFO': '/cau/',
       'REQUEST_METHOD': 'GET',
-      'wsgi.url_scheme': 'http',
-      'SERVER_NAME': 'caucase.example.com',
-      'SERVER_PORT': '8000',
     })
     self.assertEqual(cau_hateoas_request[0], 200)
     self.assertEqual(cau_hateoas_request[2]['Content-Type'], 'application/hal+json')
@@ -1781,7 +1783,7 @@ class CaucaseTest(unittest.TestCase):
     self.assertEqual(
       header_dict['WWW-Authenticate'],
       'cors url=' + quote(
-        'https://localhost:8000/cors?' +
+          'https://%s:%i/cors?' % (server_name, server_https_port) +
         urlencode([('origin', cross_origin)]) +
         '{&return}',
       ),