old_contents: # Copyright 2014 Hewlett-Packard Development Company, L.P.
  # All Rights Reserved.
  #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  """Tests for `glance.wsgi`."""
  
  import re
  import socket
  import time
  
  from oslo_config import cfg
  import testtools
  
  from glance.common import wsgi
  
  CONF = cfg.CONF
  
  
  class TestWSGIServer(testtools.TestCase):
      """WSGI server tests."""
      def test_client_socket_timeout(self):
          CONF.set_default("workers", 0)
          CONF.set_default("client_socket_timeout", 0.1)
          """Verify connections are timed out as per 'client_socket_timeout'"""
          greetings = 'Hello, World!!!'
  
          def hello_world(env, start_response):
              start_response('200 OK', [('Content-Type', 'text/plain')])
              return [greetings]
  
          server = wsgi.Server()
          server.start(hello_world, 0)
          port = server.sock.getsockname()[1]
          sock1 = socket.socket()
          sock1.connect(("127.0.0.1", port))
  
          fd = sock1.makefile('rw')
          fd.write(b'GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
          fd.flush()
  
          buf = fd.read()
          # Should succeed - no timeout
          self.assertTrue(re.search(greetings, buf))
  
          sock2 = socket.socket()
          sock2.connect(("127.0.0.1", port))
          time.sleep(0.2)
  
          fd = sock2.makefile('rw')
          fd.write(b'GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
          fd.flush()
  
          buf = fd.read()
          # Should fail - connection timed out so we get nothing from the server
          self.assertFalse(buf)
  
new_contents: # Copyright 2014 Hewlett-Packard Development Company, L.P.
  # All Rights Reserved.
  #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  """Tests for `glance.wsgi`."""
  
  import socket
  import time
  
  from oslo_config import cfg
  import testtools
  
  from glance.common import wsgi
  
  CONF = cfg.CONF
  
  
  class TestWSGIServer(testtools.TestCase):
      """WSGI server tests."""
      def test_client_socket_timeout(self):
          CONF.set_default("workers", 0)
          CONF.set_default("client_socket_timeout", 0.1)
          """Verify connections are timed out as per 'client_socket_timeout'"""
          greetings = 'Hello, World!!!'
  
          def hello_world(env, start_response):
              start_response('200 OK', [('Content-Type', 'text/plain')])
              return [greetings]
  
          server = wsgi.Server()
          server.start(hello_world, 0)
          port = server.sock.getsockname()[1]
  
          def get_request(delay=0.0):
              sock = socket.socket()
              sock.connect(('127.0.0.1', port))
              time.sleep(delay)
              sock.send('GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
              return sock.recv(1024)
  
          # Should succeed - no timeout
          self.assertTrue(greetings in get_request())
          # Should fail - connection timed out so we get nothing from the server
          self.assertFalse(get_request(delay=0.2))
  
subject: Improve code readability in functional test for the WSGIServer