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