218 lines
8.3 KiB
Python
218 lines
8.3 KiB
Python
import errno
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import gobject
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import socket
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import unittest
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from mock import patch, sentinel, Mock
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from mopidy.utils import network
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from tests import SkipTest
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class FormatHostnameTest(unittest.TestCase):
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@patch('mopidy.utils.network.has_ipv6', True)
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def test_format_hostname_prefixes_ipv4_addresses_when_ipv6_available(self):
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network.has_ipv6 = True
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self.assertEqual(network.format_hostname('0.0.0.0'), '::ffff:0.0.0.0')
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self.assertEqual(network.format_hostname('1.0.0.1'), '::ffff:1.0.0.1')
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@patch('mopidy.utils.network.has_ipv6', False)
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def test_format_hostname_does_nothing_when_only_ipv4_available(self):
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network.has_ipv6 = False
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self.assertEquals(network.format_hostname('0.0.0.0'), '0.0.0.0')
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class TryIPv6SocketTest(unittest.TestCase):
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@patch('socket.has_ipv6', False)
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def test_system_that_claims_no_ipv6_support(self):
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self.assertFalse(network.try_ipv6_socket())
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@patch('socket.has_ipv6', True)
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@patch('socket.socket')
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def test_system_with_broken_ipv6(self, socket_mock):
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socket_mock.side_effect = IOError()
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self.assertFalse(network.try_ipv6_socket())
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@patch('socket.has_ipv6', True)
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@patch('socket.socket')
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def test_with_working_ipv6(self, socket_mock):
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socket_mock.return_value = Mock()
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self.assertTrue(network.try_ipv6_socket())
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class CreateSocketTest(unittest.TestCase):
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@patch('mopidy.utils.network.has_ipv6', False)
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@patch('socket.socket')
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def test_ipv4_socket(self, socket_mock):
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network.create_socket()
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self.assertEqual(socket_mock.call_args[0],
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(socket.AF_INET, socket.SOCK_STREAM))
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@patch('mopidy.utils.network.has_ipv6', True)
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@patch('socket.socket')
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def test_ipv6_socket(self, socket_mock):
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network.create_socket()
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self.assertEqual(socket_mock.call_args[0],
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(socket.AF_INET6, socket.SOCK_STREAM))
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@SkipTest
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def test_ipv6_only_is_set(self):
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pass
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class ServerTest(unittest.TestCase):
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def setUp(self):
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self.protocol = network.LineProtocol
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self.addr = (sentinel.host, sentinel.port)
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self.host, self.port = self.addr
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self.create_server_socket_patchter = patch.object(
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network.Server, 'create_server_socket', new=Mock())
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self.register_server_socket_patcher = patch.object(
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network.Server, 'register_server_socket', new=Mock())
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self.create_server_socket_patchter.start()
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self.register_server_socket_patcher.start()
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def tearDown(self):
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self.create_server_socket_patchter.stop()
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self.register_server_socket_patcher.stop()
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def create_server(self):
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return network.Server(sentinel.host, sentinel.port, self.protocol)
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def test_init_creates_socket_and_registers_it(self):
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server = self.create_server()
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sock = server.create_server_socket.return_value
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fileno = sock.fileno.return_value
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server.create_server_socket.assert_called_once_with(
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self.host, self.port)
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server.register_server_socket.assert_called_once_with(fileno)
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@patch.object(network, 'create_socket', spec=socket.SocketType)
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def test_create_server_socket_sets_up_listener(self, create_socket):
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self.create_server_socket_patchter.stop()
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try:
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server = self.create_server()
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sock = create_socket.return_value
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sock.setblocking.assert_called_once_with(False)
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sock.bind.assert_called_once_with(self.addr)
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self.assertEqual(1, sock.listen.call_count)
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self.assertEqual(sock, server.server_socket)
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finally:
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self.create_server_socket_patchter.start()
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@SkipTest
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def test_create_server_socket_fails(self):
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# FIXME define what should happen in this case, let the error propegate
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# or do something else?
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pass
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@patch.object(gobject, 'io_add_watch', new=Mock())
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def test_register_server_socket_sets_up_io_watch(self):
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self.register_server_socket_patcher.stop()
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try:
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server = self.create_server()
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sock = server.create_server_socket.return_value
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fileno = sock.fileno.return_value
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gobject.io_add_watch.assert_called_once_with(
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fileno, gobject.IO_IN, server.handle_connection)
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finally:
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self.register_server_socket_patcher.start()
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@patch.object(network.Server, 'accept_connection', new=Mock())
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@patch.object(network.Server, 'maximum_connections_exceeded', new=Mock())
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@patch.object(network.Server, 'reject_connection', new=Mock())
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@patch.object(network.Server, 'init_connection', new=Mock())
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def test_handle_connection(self):
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server = self.create_server()
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server.accept_connection.return_value = (sentinel.sock, self.addr)
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server.maximum_connections_exceeded.return_value = False
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server.handle_connection(sentinel.fileno, gobject.IO_IN)
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server.accept_connection.assert_called_once_with()
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server.maximum_connections_exceeded.assert_called_once_with()
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server.init_connection.assert_called_once_with(sentinel.sock, self.addr)
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self.assertEquals(0, server.reject_connection.call_count)
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@patch.object(network.Server, 'accept_connection', new=Mock())
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@patch.object(network.Server, 'maximum_connections_exceeded', new=Mock())
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@patch.object(network.Server, 'reject_connection', new=Mock())
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@patch.object(network.Server, 'init_connection', new=Mock())
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def test_handle_connection_exceeded_connections(self):
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server = self.create_server()
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server.accept_connection.return_value = (sentinel.sock, self.addr)
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server.maximum_connections_exceeded.return_value = True
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server.handle_connection(sentinel.fileno, gobject.IO_IN)
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server.accept_connection.assert_called_once_with()
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server.maximum_connections_exceeded.assert_called_once_with()
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server.reject_connection.assert_called_once_with(
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sentinel.sock, self.addr)
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self.assertEquals(0, server.init_connection.call_count)
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def test_accept_connection(self):
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server = self.create_server()
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sock = server.create_server_socket.return_value
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sock.accept.return_value = (sentinel.sock, self.addr)
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self.assertEquals((sentinel.sock, self.addr),
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server.accept_connection())
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def test_accept_connection_recoverable_error(self):
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server = self.create_server()
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sock = server.create_server_socket.return_value
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sock.accept.side_effect = socket.error(errno.EAGAIN, '')
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self.assertRaises(network.ShouldRetrySocketCall,
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server.accept_connection)
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sock.accept.side_effect = socket.error(errno.EINTR, '')
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self.assertRaises(network.ShouldRetrySocketCall,
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server.accept_connection)
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def test_accept_connection_recoverable_error(self):
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server = self.create_server()
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sock = server.create_server_socket.return_value
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sock.accept.side_effect = socket.error()
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self.assertRaises(socket.error, server.accept_connection)
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@patch.object(network.Server, 'number_of_connections', new=Mock())
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def test_maximum_connections_exceeded(self):
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server = self.create_server()
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maximum_connections = server.max_connections
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server.number_of_connections.return_value = maximum_connections + 1
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self.assertTrue(server.maximum_connections_exceeded())
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server.number_of_connections.return_value = maximum_connections
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self.assertTrue(server.maximum_connections_exceeded())
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server.number_of_connections.return_value = maximum_connections - 1
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self.assertFalse(server.maximum_connections_exceeded())
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@patch('pykka.registry.ActorRegistry.get_by_class')
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def test_number_of_connections(self, get_by_class):
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server = self.create_server()
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get_by_class.return_value = [1, 2, 3]
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self.assertEqual(3, server.number_of_connections())
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get_by_class.return_value = []
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self.assertEqual(0, server.number_of_connections())
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@patch.object(network, 'Connection', new=Mock())
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def test_init_connection(self):
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server = self.create_server()
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server.init_connection(sentinel.sock, self.addr)
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network.Connection.assert_called_once_with(server.protocol,
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sentinel.sock, self.addr, server.timeout)
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