199 lines
7.9 KiB
Python
199 lines
7.9 KiB
Python
from __future__ import absolute_import, unicode_literals
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import errno
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import socket
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import unittest
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from mock import Mock, patch, sentinel
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from mopidy.internal import network
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from mopidy.internal.gi import GObject
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from tests import any_int
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class ServerTest(unittest.TestCase):
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def setUp(self): # noqa: N802
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self.mock = Mock(spec=network.Server)
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def test_init_calls_create_server_socket(self):
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network.Server.__init__(
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self.mock, sentinel.host, sentinel.port, sentinel.protocol)
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self.mock.create_server_socket.assert_called_once_with(
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sentinel.host, sentinel.port)
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def test_init_calls_register_server(self):
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sock = Mock(spec=socket.SocketType)
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sock.fileno.return_value = sentinel.fileno
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self.mock.create_server_socket.return_value = sock
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network.Server.__init__(
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self.mock, sentinel.host, sentinel.port, sentinel.protocol)
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self.mock.register_server_socket.assert_called_once_with(
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sentinel.fileno)
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def test_init_fails_on_fileno_call(self):
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sock = Mock(spec=socket.SocketType)
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sock.fileno.side_effect = socket.error
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self.mock.create_server_socket.return_value = sock
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with self.assertRaises(socket.error):
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network.Server.__init__(
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self.mock, sentinel.host, sentinel.port, sentinel.protocol)
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def test_init_stores_values_in_attributes(self):
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# This need to be a mock and no a sentinel as fileno() is called on it
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sock = Mock(spec=socket.SocketType)
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self.mock.create_server_socket.return_value = sock
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network.Server.__init__(
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self.mock, sentinel.host, sentinel.port, sentinel.protocol,
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max_connections=sentinel.max_connections, timeout=sentinel.timeout)
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self.assertEqual(sentinel.protocol, self.mock.protocol)
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self.assertEqual(sentinel.max_connections, self.mock.max_connections)
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self.assertEqual(sentinel.timeout, self.mock.timeout)
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self.assertEqual(sock, self.mock.server_socket)
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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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sock = create_socket.return_value
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network.Server.create_server_socket(
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self.mock, sentinel.host, sentinel.port)
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sock.setblocking.assert_called_once_with(False)
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sock.bind.assert_called_once_with((sentinel.host, sentinel.port))
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sock.listen.assert_called_once_with(any_int)
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@patch.object(network, 'create_socket', new=Mock())
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def test_create_server_socket_fails(self):
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network.create_socket.side_effect = socket.error
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with self.assertRaises(socket.error):
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network.Server.create_server_socket(
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self.mock, sentinel.host, sentinel.port)
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@patch.object(network, 'create_socket', new=Mock())
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def test_create_server_bind_fails(self):
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sock = network.create_socket.return_value
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sock.bind.side_effect = socket.error
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with self.assertRaises(socket.error):
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network.Server.create_server_socket(
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self.mock, sentinel.host, sentinel.port)
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@patch.object(network, 'create_socket', new=Mock())
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def test_create_server_listen_fails(self):
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sock = network.create_socket.return_value
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sock.listen.side_effect = socket.error
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with self.assertRaises(socket.error):
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network.Server.create_server_socket(
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self.mock, sentinel.host, sentinel.port)
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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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network.Server.register_server_socket(self.mock, sentinel.fileno)
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GObject.io_add_watch.assert_called_once_with(
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sentinel.fileno, GObject.IO_IN, self.mock.handle_connection)
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def test_handle_connection(self):
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self.mock.accept_connection.return_value = (
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sentinel.sock, sentinel.addr)
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self.mock.maximum_connections_exceeded.return_value = False
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self.assertTrue(network.Server.handle_connection(
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self.mock, sentinel.fileno, GObject.IO_IN))
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self.mock.accept_connection.assert_called_once_with()
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self.mock.maximum_connections_exceeded.assert_called_once_with()
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self.mock.init_connection.assert_called_once_with(
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sentinel.sock, sentinel.addr)
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self.assertEqual(0, self.mock.reject_connection.call_count)
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def test_handle_connection_exceeded_connections(self):
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self.mock.accept_connection.return_value = (
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sentinel.sock, sentinel.addr)
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self.mock.maximum_connections_exceeded.return_value = True
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self.assertTrue(network.Server.handle_connection(
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self.mock, sentinel.fileno, GObject.IO_IN))
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self.mock.accept_connection.assert_called_once_with()
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self.mock.maximum_connections_exceeded.assert_called_once_with()
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self.mock.reject_connection.assert_called_once_with(
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sentinel.sock, sentinel.addr)
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self.assertEqual(0, self.mock.init_connection.call_count)
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def test_accept_connection(self):
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sock = Mock(spec=socket.SocketType)
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sock.accept.return_value = (sentinel.sock, sentinel.addr)
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self.mock.server_socket = sock
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sock, addr = network.Server.accept_connection(self.mock)
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self.assertEqual(sentinel.sock, sock)
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self.assertEqual(sentinel.addr, addr)
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def test_accept_connection_recoverable_error(self):
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sock = Mock(spec=socket.SocketType)
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self.mock.server_socket = sock
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for error in (errno.EAGAIN, errno.EINTR):
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sock.accept.side_effect = socket.error(error, '')
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with self.assertRaises(network.ShouldRetrySocketCall):
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network.Server.accept_connection(self.mock)
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# FIXME decide if this should be allowed to propegate
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def test_accept_connection_unrecoverable_error(self):
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sock = Mock(spec=socket.SocketType)
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self.mock.server_socket = sock
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sock.accept.side_effect = socket.error
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with self.assertRaises(socket.error):
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network.Server.accept_connection(self.mock)
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def test_maximum_connections_exceeded(self):
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self.mock.max_connections = 10
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self.mock.number_of_connections.return_value = 11
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self.assertTrue(network.Server.maximum_connections_exceeded(self.mock))
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self.mock.number_of_connections.return_value = 10
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self.assertTrue(network.Server.maximum_connections_exceeded(self.mock))
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self.mock.number_of_connections.return_value = 9
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self.assertFalse(
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network.Server.maximum_connections_exceeded(self.mock))
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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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self.mock.protocol = sentinel.protocol
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get_by_class.return_value = [1, 2, 3]
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self.assertEqual(3, network.Server.number_of_connections(self.mock))
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get_by_class.return_value = []
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self.assertEqual(0, network.Server.number_of_connections(self.mock))
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@patch.object(network, 'Connection', new=Mock())
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def test_init_connection(self):
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self.mock.protocol = sentinel.protocol
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self.mock.protocol_kwargs = {}
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self.mock.timeout = sentinel.timeout
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network.Server.init_connection(self.mock, sentinel.sock, sentinel.addr)
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network.Connection.assert_called_once_with(
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sentinel.protocol, {}, sentinel.sock, sentinel.addr,
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sentinel.timeout)
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def test_reject_connection(self):
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sock = Mock(spec=socket.SocketType)
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network.Server.reject_connection(
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self.mock, sock, (sentinel.host, sentinel.port))
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sock.close.assert_called_once_with()
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def test_reject_connection_error(self):
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sock = Mock(spec=socket.SocketType)
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sock.close.side_effect = socket.error
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network.Server.reject_connection(
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self.mock, sock, (sentinel.host, sentinel.port))
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sock.close.assert_called_once_with()
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