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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ"""Tests for selector_events.py""" import sys import selectors import socket import unittest from unittest import mock try: import ssl except ImportError: ssl = None import asyncio from asyncio.selector_events import BaseSelectorEventLoop from asyncio.selector_events import _SelectorTransport from asyncio.selector_events import _SelectorSocketTransport from asyncio.selector_events import _SelectorDatagramTransport from test.test_asyncio import utils as test_utils MOCK_ANY = mock.ANY def tearDownModule(): asyncio.set_event_loop_policy(None) class TestBaseSelectorEventLoop(BaseSelectorEventLoop): def _make_self_pipe(self): self._ssock = mock.Mock() self._csock = mock.Mock() self._internal_fds += 1 def _close_self_pipe(self): pass def list_to_buffer(l=()): return bytearray().join(l) def close_transport(transport): # Don't call transport.close() because the event loop and the selector # are mocked if transport._sock is None: return transport._sock.close() transport._sock = None class BaseSelectorEventLoopTests(test_utils.TestCase): def setUp(self): super().setUp() self.selector = mock.Mock() self.selector.select.return_value = [] self.loop = TestBaseSelectorEventLoop(self.selector) self.set_event_loop(self.loop) def test_make_socket_transport(self): m = mock.Mock() self.loop.add_reader = mock.Mock() self.loop.add_reader._is_coroutine = False transport = self.loop._make_socket_transport(m, asyncio.Protocol()) self.assertIsInstance(transport, _SelectorSocketTransport) # Calling repr() must not fail when the event loop is closed self.loop.close() repr(transport) close_transport(transport) @unittest.skipIf(ssl is None, 'No ssl module') def test_make_ssl_transport(self): m = mock.Mock() self.loop._add_reader = mock.Mock() self.loop._add_reader._is_coroutine = False self.loop._add_writer = mock.Mock() self.loop._remove_reader = mock.Mock() self.loop._remove_writer = mock.Mock() waiter = self.loop.create_future() with test_utils.disable_logger(): transport = self.loop._make_ssl_transport( m, asyncio.Protocol(), m, waiter) with self.assertRaisesRegex(RuntimeError, r'SSL transport.*not.*initialized'): transport.is_reading() # execute the handshake while the logger is disabled # to ignore SSL handshake failure test_utils.run_briefly(self.loop) self.assertTrue(transport.is_reading()) transport.pause_reading() transport.pause_reading() self.assertFalse(transport.is_reading()) transport.resume_reading() transport.resume_reading() self.assertTrue(transport.is_reading()) # Sanity check class_name = transport.__class__.__name__ self.assertIn("ssl", class_name.lower()) self.assertIn("transport", class_name.lower()) transport.close() # execute pending callbacks to close the socket transport test_utils.run_briefly(self.loop) @mock.patch('asyncio.selector_events.ssl', None) @mock.patch('asyncio.sslproto.ssl', None) def test_make_ssl_transport_without_ssl_error(self): m = mock.Mock() self.loop.add_reader = mock.Mock() self.loop.add_writer = mock.Mock() self.loop.remove_reader = mock.Mock() self.loop.remove_writer = mock.Mock() with self.assertRaises(RuntimeError): self.loop._make_ssl_transport(m, m, m, m) def test_close(self): class EventLoop(BaseSelectorEventLoop): def _make_self_pipe(self): self._ssock = mock.Mock() self._csock = mock.Mock() self._internal_fds += 1 self.loop = EventLoop(self.selector) self.set_event_loop(self.loop) ssock = self.loop._ssock ssock.fileno.return_value = 7 csock = self.loop._csock csock.fileno.return_value = 1 remove_reader = self.loop._remove_reader = mock.Mock() self.loop._selector.close() self.loop._selector = selector = mock.Mock() self.assertFalse(self.loop.is_closed()) self.loop.close() self.assertTrue(self.loop.is_closed()) self.assertIsNone(self.loop._selector) self.assertIsNone(self.loop._csock) self.assertIsNone(self.loop._ssock) selector.close.assert_called_with() ssock.close.assert_called_with() csock.close.assert_called_with() remove_reader.assert_called_with(7) # it should be possible to call close() more than once self.loop.close() self.loop.close() # operation blocked when the loop is closed f = self.loop.create_future() self.assertRaises(RuntimeError, self.loop.run_forever) self.assertRaises(RuntimeError, self.loop.run_until_complete, f) fd = 0 def callback(): pass self.assertRaises(RuntimeError, self.loop.add_reader, fd, callback) self.assertRaises(RuntimeError, self.loop.add_writer, fd, callback) def test_close_no_selector(self): self.loop.remove_reader = mock.Mock() self.loop._selector.close() self.loop._selector = None self.loop.close() self.assertIsNone(self.loop._selector) def test_read_from_self_tryagain(self): self.loop._ssock.recv.side_effect = BlockingIOError self.assertIsNone(self.loop._read_from_self()) def test_read_from_self_exception(self): self.loop._ssock.recv.side_effect = OSError self.assertRaises(OSError, self.loop._read_from_self) def test_write_to_self_tryagain(self): self.loop._csock.send.side_effect = BlockingIOError with test_utils.disable_logger(): self.assertIsNone(self.loop._write_to_self()) def test_write_to_self_exception(self): # _write_to_self() swallows OSError self.loop._csock.send.side_effect = RuntimeError() self.assertRaises(RuntimeError, self.loop._write_to_self) @mock.patch('socket.getaddrinfo') def test_sock_connect_resolve_using_socket_params(self, m_gai): addr = ('need-resolution.com', 8080) for sock_type in [socket.SOCK_STREAM, socket.SOCK_DGRAM]: with self.subTest(sock_type): sock = test_utils.mock_nonblocking_socket(type=sock_type) m_gai.side_effect = \ lambda *args: [(None, None, None, None, ('127.0.0.1', 0))] con = self.loop.create_task(self.loop.sock_connect(sock, addr)) self.loop.run_until_complete(con) m_gai.assert_called_with( addr[0], addr[1], sock.family, sock.type, sock.proto, 0) self.loop.run_until_complete(con) sock.connect.assert_called_with(('127.0.0.1', 0)) def test_add_reader(self): self.loop._selector.get_key.side_effect = KeyError cb = lambda: True self.loop.add_reader(1, cb) self.assertTrue(self.loop._selector.register.called) fd, mask, (r, w) = self.loop._selector.register.call_args[0] self.assertEqual(1, fd) self.assertEqual(selectors.EVENT_READ, mask) self.assertEqual(cb, r._callback) self.assertIsNone(w) def test_add_reader_existing(self): reader = mock.Mock() writer = mock.Mock() self.loop._selector.get_key.return_value = selectors.SelectorKey( 1, 1, selectors.EVENT_WRITE, (reader, writer)) cb = lambda: True self.loop.add_reader(1, cb) self.assertTrue(reader.cancel.called) self.assertFalse(self.loop._selector.register.called) self.assertTrue(self.loop._selector.modify.called) fd, mask, (r, w) = self.loop._selector.modify.call_args[0] self.assertEqual(1, fd) self.assertEqual(selectors.EVENT_WRITE | selectors.EVENT_READ, mask) self.assertEqual(cb, r._callback) self.assertEqual(writer, w) def test_add_reader_existing_writer(self): writer = mock.Mock() self.loop._selector.get_key.return_value = selectors.SelectorKey( 1, 1, selectors.EVENT_WRITE, (None, writer)) cb = lambda: True self.loop.add_reader(1, cb) self.assertFalse(self.loop._selector.register.called) self.assertTrue(self.loop._selector.modify.called) fd, mask, (r, w) = self.loop._selector.modify.call_args[0] self.assertEqual(1, fd) self.assertEqual(selectors.EVENT_WRITE | selectors.EVENT_READ, mask) self.assertEqual(cb, r._callback) self.assertEqual(writer, w) def test_remove_reader(self): self.loop._selector.get_key.return_value = selectors.SelectorKey( 1, 1, selectors.EVENT_READ, (None, None)) self.assertFalse(self.loop.remove_reader(1)) self.assertTrue(self.loop._selector.unregister.called) def test_remove_reader_read_write(self): reader = mock.Mock() writer = mock.Mock() self.loop._selector.get_key.return_value = selectors.SelectorKey( 1, 1, selectors.EVENT_READ | selectors.EVENT_WRITE, (reader, writer)) self.assertTrue( self.loop.remove_reader(1)) self.assertFalse(self.loop._selector.unregister.called) self.assertEqual( (1, selectors.EVENT_WRITE, (None, writer)), self.loop._selector.modify.call_args[0]) def test_remove_reader_unknown(self): self.loop._selector.get_key.side_effect = KeyError self.assertFalse( self.loop.remove_reader(1)) def test_add_writer(self): self.loop._selector.get_key.side_effect = KeyError cb = lambda: True self.loop.add_writer(1, cb) self.assertTrue(self.loop._selector.register.called) fd, mask, (r, w) = self.loop._selector.register.call_args[0] self.assertEqual(1, fd) self.assertEqual(selectors.EVENT_WRITE, mask) self.assertIsNone(r) self.assertEqual(cb, w._callback) def test_add_writer_existing(self): reader = mock.Mock() writer = mock.Mock() self.loop._selector.get_key.return_value = selectors.SelectorKey( 1, 1, selectors.EVENT_READ, (reader, writer)) cb = lambda: True self.loop.add_writer(1, cb) self.assertTrue(writer.cancel.called) self.assertFalse(self.loop._selector.register.called) self.assertTrue(self.loop._selector.modify.called) fd, mask, (r, w) = self.loop._selector.modify.call_args[0] self.assertEqual(1, fd) self.assertEqual(selectors.EVENT_WRITE | selectors.EVENT_READ, mask) self.assertEqual(reader, r) self.assertEqual(cb, w._callback) def test_remove_writer(self): self.loop._selector.get_key.return_value = selectors.SelectorKey( 1, 1, selectors.EVENT_WRITE, (None, None)) self.assertFalse(self.loop.remove_writer(1)) self.assertTrue(self.loop._selector.unregister.called) def test_remove_writer_read_write(self): reader = mock.Mock() writer = mock.Mock() self.loop._selector.get_key.return_value = selectors.SelectorKey( 1, 1, selectors.EVENT_READ | selectors.EVENT_WRITE, (reader, writer)) self.assertTrue( self.loop.remove_writer(1)) self.assertFalse(self.loop._selector.unregister.called) self.assertEqual( (1, selectors.EVENT_READ, (reader, None)), self.loop._selector.modify.call_args[0]) def test_remove_writer_unknown(self): self.loop._selector.get_key.side_effect = KeyError self.assertFalse( self.loop.remove_writer(1)) def test_process_events_read(self): reader = mock.Mock() reader._cancelled = False self.loop._add_callback = mock.Mock() self.loop._process_events( [(selectors.SelectorKey( 1, 1, selectors.EVENT_READ, (reader, None)), selectors.EVENT_READ)]) self.assertTrue(self.loop._add_callback.called) self.loop._add_callback.assert_called_with(reader) def test_process_events_read_cancelled(self): reader = mock.Mock() reader.cancelled = True self.loop._remove_reader = mock.Mock() self.loop._process_events( [(selectors.SelectorKey( 1, 1, selectors.EVENT_READ, (reader, None)), selectors.EVENT_READ)]) self.loop._remove_reader.assert_called_with(1) def test_process_events_write(self): writer = mock.Mock() writer._cancelled = False self.loop._add_callback = mock.Mock() self.loop._process_events( [(selectors.SelectorKey(1, 1, selectors.EVENT_WRITE, (None, writer)), selectors.EVENT_WRITE)]) self.loop._add_callback.assert_called_with(writer) def test_process_events_write_cancelled(self): writer = mock.Mock() writer.cancelled = True self.loop._remove_writer = mock.Mock() self.loop._process_events( [(selectors.SelectorKey(1, 1, selectors.EVENT_WRITE, (None, writer)), selectors.EVENT_WRITE)]) self.loop._remove_writer.assert_called_with(1) def test_accept_connection_multiple(self): sock = mock.Mock() sock.accept.return_value = (mock.Mock(), mock.Mock()) backlog = 100 # Mock the coroutine generation for a connection to prevent # warnings related to un-awaited coroutines. _accept_connection2 # is an async function that is patched with AsyncMock. create_task # creates a task out of coroutine returned by AsyncMock, so use # asyncio.sleep(0) to ensure created tasks are complete to avoid # task pending warnings. mock_obj = mock.patch.object with mock_obj(self.loop, '_accept_connection2') as accept2_mock: self.loop._accept_connection( mock.Mock(), sock, backlog=backlog) self.loop.run_until_complete(asyncio.sleep(0)) self.assertEqual(sock.accept.call_count, backlog) class SelectorTransportTests(test_utils.TestCase): def setUp(self): super().setUp() self.loop = self.new_test_loop() self.protocol = test_utils.make_test_protocol(asyncio.Protocol) self.sock = mock.Mock(socket.socket) self.sock.fileno.return_value = 7 def create_transport(self): transport = _SelectorTransport(self.loop, self.sock, self.protocol, None) self.addCleanup(close_transport, transport) return transport def test_ctor(self): tr = self.create_transport() self.assertIs(tr._loop, self.loop) self.assertIs(tr._sock, self.sock) self.assertIs(tr._sock_fd, 7) def test_abort(self): tr = self.create_transport() tr._force_close = mock.Mock() tr.abort() tr._force_close.assert_called_with(None) def test_close(self): tr = self.create_transport() tr.close() self.assertTrue(tr.is_closing()) self.assertEqual(1, self.loop.remove_reader_count[7]) self.protocol.connection_lost(None) self.assertEqual(tr._conn_lost, 1) tr.close() self.assertEqual(tr._conn_lost, 1) self.assertEqual(1, self.loop.remove_reader_count[7]) def test_close_write_buffer(self): tr = self.create_transport() tr._buffer.extend(b'data') tr.close() self.assertFalse(self.loop.readers) test_utils.run_briefly(self.loop) self.assertFalse(self.protocol.connection_lost.called) def test_force_close(self): tr = self.create_transport() tr._buffer.extend(b'1') self.loop._add_reader(7, mock.sentinel) self.loop._add_writer(7, mock.sentinel) tr._force_close(None) self.assertTrue(tr.is_closing()) self.assertEqual(tr._buffer, list_to_buffer()) self.assertFalse(self.loop.readers) self.assertFalse(self.loop.writers) # second close should not remove reader tr._force_close(None) self.assertFalse(self.loop.readers) self.assertEqual(1, self.loop.remove_reader_count[7]) @mock.patch('asyncio.log.logger.error') def test_fatal_error(self, m_exc): exc = OSError() tr = self.create_transport() tr._force_close = mock.Mock() tr._fatal_error(exc) m_exc.assert_not_called() tr._force_close.assert_called_with(exc) @mock.patch('asyncio.log.logger.error') def test_fatal_error_custom_exception(self, m_exc): class MyError(Exception): pass exc = MyError() tr = self.create_transport() tr._force_close = mock.Mock() tr._fatal_error(exc) m_exc.assert_called_with( test_utils.MockPattern( 'Fatal error on transport\nprotocol:.*\ntransport:.*'), exc_info=(MyError, MOCK_ANY, MOCK_ANY)) tr._force_close.assert_called_with(exc) def test_connection_lost(self): exc = OSError() tr = self.create_transport() self.assertIsNotNone(tr._protocol) self.assertIsNotNone(tr._loop) tr._call_connection_lost(exc) self.protocol.connection_lost.assert_called_with(exc) self.sock.close.assert_called_with() self.assertIsNone(tr._sock) self.assertIsNone(tr._protocol) self.assertIsNone(tr._loop) def test__add_reader(self): tr = self.create_transport() tr._buffer.extend(b'1') tr._add_reader(7, mock.sentinel) self.assertTrue(self.loop.readers) tr._force_close(None) self.assertTrue(tr.is_closing()) self.assertFalse(self.loop.readers) # can not add readers after closing tr._add_reader(7, mock.sentinel) self.assertFalse(self.loop.readers) class SelectorSocketTransportTests(test_utils.TestCase): def setUp(self): super().setUp() self.loop = self.new_test_loop() self.protocol = test_utils.make_test_protocol(asyncio.Protocol) self.sock = mock.Mock(socket.socket) self.sock_fd = self.sock.fileno.return_value = 7 def socket_transport(self, waiter=None): transport = _SelectorSocketTransport(self.loop, self.sock, self.protocol, waiter=waiter) self.addCleanup(close_transport, transport) return transport def test_ctor(self): waiter = self.loop.create_future() tr = self.socket_transport(waiter=waiter) self.loop.run_until_complete(waiter) self.loop.assert_reader(7, tr._read_ready) test_utils.run_briefly(self.loop) self.protocol.connection_made.assert_called_with(tr) def test_ctor_with_waiter(self): waiter = self.loop.create_future() self.socket_transport(waiter=waiter) self.loop.run_until_complete(waiter) self.assertIsNone(waiter.result()) def test_pause_resume_reading(self): tr = self.socket_transport() test_utils.run_briefly(self.loop) self.assertFalse(tr._paused) self.assertTrue(tr.is_reading()) self.loop.assert_reader(7, tr._read_ready) tr.pause_reading() tr.pause_reading() self.assertTrue(tr._paused) self.assertFalse(tr.is_reading()) self.loop.assert_no_reader(7) tr.resume_reading() tr.resume_reading() self.assertFalse(tr._paused) self.assertTrue(tr.is_reading()) self.loop.assert_reader(7, tr._read_ready) tr.close() self.assertFalse(tr.is_reading()) self.loop.assert_no_reader(7) def test_read_eof_received_error(self): transport = self.socket_transport() transport.close = mock.Mock() transport._fatal_error = mock.Mock() self.loop.call_exception_handler = mock.Mock() self.protocol.eof_received.side_effect = LookupError() self.sock.recv.return_value = b'' transport._read_ready() self.protocol.eof_received.assert_called_with() self.assertTrue(transport._fatal_error.called) def test_data_received_error(self): transport = self.socket_transport() transport._fatal_error = mock.Mock() self.loop.call_exception_handler = mock.Mock() self.protocol.data_received.side_effect = LookupError() self.sock.recv.return_value = b'data' transport._read_ready() self.assertTrue(transport._fatal_error.called) self.assertTrue(self.protocol.data_received.called) def test_read_ready(self): transport = self.socket_transport() self.sock.recv.return_value = b'data' transport._read_ready() self.protocol.data_received.assert_called_with(b'data') def test_read_ready_eof(self): transport = self.socket_transport() transport.close = mock.Mock() self.sock.recv.return_value = b'' transport._read_ready() self.protocol.eof_received.assert_called_with() transport.close.assert_called_with() def test_read_ready_eof_keep_open(self): transport = self.socket_transport() transport.close = mock.Mock() self.sock.recv.return_value = b'' self.protocol.eof_received.return_value = True transport._read_ready() self.protocol.eof_received.assert_called_with() self.assertFalse(transport.close.called) @mock.patch('logging.exception') def test_read_ready_tryagain(self, m_exc): self.sock.recv.side_effect = BlockingIOError transport = self.socket_transport() transport._fatal_error = mock.Mock() transport._read_ready() self.assertFalse(transport._fatal_error.called) @mock.patch('logging.exception') def test_read_ready_tryagain_interrupted(self, m_exc): self.sock.recv.side_effect = InterruptedError transport = self.socket_transport() transport._fatal_error = mock.Mock() transport._read_ready() self.assertFalse(transport._fatal_error.called) @mock.patch('logging.exception') def test_read_ready_conn_reset(self, m_exc): err = self.sock.recv.side_effect = ConnectionResetError() transport = self.socket_transport() transport._force_close = mock.Mock() with test_utils.disable_logger(): transport._read_ready() transport._force_close.assert_called_with(err) @mock.patch('logging.exception') def test_read_ready_err(self, m_exc): err = self.sock.recv.side_effect = OSError() transport = self.socket_transport() transport._fatal_error = mock.Mock() transport._read_ready() transport._fatal_error.assert_called_with( err, 'Fatal read error on socket transport') def test_write(self): data = b'data' self.sock.send.return_value = len(data) transport = self.socket_transport() transport.write(data) self.sock.send.assert_called_with(data) def test_write_bytearray(self): data = bytearray(b'data') self.sock.send.return_value = len(data) transport = self.socket_transport() transport.write(data) self.sock.send.assert_called_with(data) self.assertEqual(data, bytearray(b'data')) # Hasn't been mutated. def test_write_memoryview(self): data = memoryview(b'data') self.sock.send.return_value = len(data) transport = self.socket_transport() transport.write(data) self.sock.send.assert_called_with(data) def test_write_no_data(self): transport = self.socket_transport() transport._buffer.extend(b'data') transport.write(b'') self.assertFalse(self.sock.send.called) self.assertEqual(list_to_buffer([b'data']), transport._buffer) def test_write_buffer(self): transport = self.socket_transport() transport._buffer.extend(b'data1') transport.write(b'data2') self.assertFalse(self.sock.send.called) self.assertEqual(list_to_buffer([b'data1', b'data2']), transport._buffer) def test_write_partial(self): data = b'data' self.sock.send.return_value = 2 transport = self.socket_transport() transport.write(data) self.loop.assert_writer(7, transport._write_ready) self.assertEqual(list_to_buffer([b'ta']), transport._buffer) def test_write_partial_bytearray(self): data = bytearray(b'data') self.sock.send.return_value = 2 transport = self.socket_transport() transport.write(data) self.loop.assert_writer(7, transport._write_ready) self.assertEqual(list_to_buffer([b'ta']), transport._buffer) self.assertEqual(data, bytearray(b'data')) # Hasn't been mutated. def test_write_partial_memoryview(self): data = memoryview(b'data') self.sock.send.return_value = 2 transport = self.socket_transport() transport.write(data) self.loop.assert_writer(7, transport._write_ready) self.assertEqual(list_to_buffer([b'ta']), transport._buffer) def test_write_partial_none(self): data = b'data' self.sock.send.return_value = 0 self.sock.fileno.return_value = 7 transport = self.socket_transport() transport.write(data) self.loop.assert_writer(7, transport._write_ready) self.assertEqual(list_to_buffer([b'data']), transport._buffer) def test_write_tryagain(self): self.sock.send.side_effect = BlockingIOError data = b'data' transport = self.socket_transport() transport.write(data) self.loop.assert_writer(7, transport._write_ready) self.assertEqual(list_to_buffer([b'data']), transport._buffer) @mock.patch('asyncio.selector_events.logger') def test_write_exception(self, m_log): err = self.sock.send.side_effect = OSError() data = b'data' transport = self.socket_transport() transport._fatal_error = mock.Mock() transport.write(data) transport._fatal_error.assert_called_with( err, 'Fatal write error on socket transport') transport._conn_lost = 1 self.sock.reset_mock() transport.write(data) self.assertFalse(self.sock.send.called) self.assertEqual(transport._conn_lost, 2) transport.write(data) transport.write(data) transport.write(data) transport.write(data) m_log.warning.assert_called_with('socket.send() raised exception.') def test_write_str(self): transport = self.socket_transport() self.assertRaises(TypeError, transport.write, 'str') def test_write_closing(self): transport = self.socket_transport() transport.close() self.assertEqual(transport._conn_lost, 1) transport.write(b'data') self.assertEqual(transport._conn_lost, 2) def test_write_ready(self): data = b'data' self.sock.send.return_value = len(data) transport = self.socket_transport() transport._buffer.extend(data) self.loop._add_writer(7, transport._write_ready) transport._write_ready() self.assertTrue(self.sock.send.called) self.assertFalse(self.loop.writers) def test_write_ready_closing(self): data = b'data' self.sock.send.return_value = len(data) transport = self.socket_transport() transport._closing = True transport._buffer.extend(data) self.loop._add_writer(7, transport._write_ready) transport._write_ready() self.assertTrue(self.sock.send.called) self.assertFalse(self.loop.writers) self.sock.close.assert_called_with() self.protocol.connection_lost.assert_called_with(None) @unittest.skipIf(sys.flags.optimize, "Assertions are disabled in optimized mode") def test_write_ready_no_data(self): transport = self.socket_transport() # This is an internal error. self.assertRaises(AssertionError, transport._write_ready) def test_write_ready_partial(self): data = b'data' self.sock.send.return_value = 2 transport = self.socket_transport() transport._buffer.extend(data) self.loop._add_writer(7, transport._write_ready) transport._write_ready() self.loop.assert_writer(7, transport._write_ready) self.assertEqual(list_to_buffer([b'ta']), transport._buffer) def test_write_ready_partial_none(self): data = b'data' self.sock.send.return_value = 0 transport = self.socket_transport() transport._buffer.extend(data) self.loop._add_writer(7, transport._write_ready) transport._write_ready() self.loop.assert_writer(7, transport._write_ready) self.assertEqual(list_to_buffer([b'data']), transport._buffer) def test_write_ready_tryagain(self): self.sock.send.side_effect = BlockingIOError transport = self.socket_transport() transport._buffer = list_to_buffer([b'data1', b'data2']) self.loop._add_writer(7, transport._write_ready) transport._write_ready() self.loop.assert_writer(7, transport._write_ready) self.assertEqual(list_to_buffer([b'data1data2']), transport._buffer) def test_write_ready_exception(self): err = self.sock.send.side_effect = OSError() transport = self.socket_transport() transport._fatal_error = mock.Mock() transport._buffer.extend(b'data') transport._write_ready() transport._fatal_error.assert_called_with( err, 'Fatal write error on socket transport') def test_write_eof(self): tr = self.socket_transport() self.assertTrue(tr.can_write_eof()) tr.write_eof() self.sock.shutdown.assert_called_with(socket.SHUT_WR) tr.write_eof() self.assertEqual(self.sock.shutdown.call_count, 1) tr.close() def test_write_eof_buffer(self): tr = self.socket_transport() self.sock.send.side_effect = BlockingIOError tr.write(b'data') tr.write_eof() self.assertEqual(tr._buffer, list_to_buffer([b'data'])) self.assertTrue(tr._eof) self.assertFalse(self.sock.shutdown.called) self.sock.send.side_effect = lambda _: 4 tr._write_ready() self.assertTrue(self.sock.send.called) self.sock.shutdown.assert_called_with(socket.SHUT_WR) tr.close() def test_write_eof_after_close(self): tr = self.socket_transport() tr.close() self.loop.run_until_complete(asyncio.sleep(0)) tr.write_eof() @mock.patch('asyncio.base_events.logger') def test_transport_close_remove_writer(self, m_log): remove_writer = self.loop._remove_writer = mock.Mock() transport = self.socket_transport() transport.close() remove_writer.assert_called_with(self.sock_fd) class SelectorSocketTransportBufferedProtocolTests(test_utils.TestCase): def setUp(self): super().setUp() self.loop = self.new_test_loop() self.protocol = test_utils.make_test_protocol(asyncio.BufferedProtocol) self.buf = bytearray(1) self.protocol.get_buffer.side_effect = lambda hint: self.buf self.sock = mock.Mock(socket.socket) self.sock_fd = self.sock.fileno.return_value = 7 def socket_transport(self, waiter=None): transport = _SelectorSocketTransport(self.loop, self.sock, self.protocol, waiter=waiter) self.addCleanup(close_transport, transport) return transport def test_ctor(self): waiter = self.loop.create_future() tr = self.socket_transport(waiter=waiter) self.loop.run_until_complete(waiter) self.loop.assert_reader(7, tr._read_ready) test_utils.run_briefly(self.loop) self.protocol.connection_made.assert_called_with(tr) def test_get_buffer_error(self): transport = self.socket_transport() transport._fatal_error = mock.Mock() self.loop.call_exception_handler = mock.Mock() self.protocol.get_buffer.side_effect = LookupError() transport._read_ready() self.assertTrue(transport._fatal_error.called) self.assertTrue(self.protocol.get_buffer.called) self.assertFalse(self.protocol.buffer_updated.called) def test_get_buffer_zerosized(self): transport = self.socket_transport() transport._fatal_error = mock.Mock() self.loop.call_exception_handler = mock.Mock() self.protocol.get_buffer.side_effect = lambda hint: bytearray(0) transport._read_ready() self.assertTrue(transport._fatal_error.called) self.assertTrue(self.protocol.get_buffer.called) self.assertFalse(self.protocol.buffer_updated.called) def test_proto_type_switch(self): self.protocol = test_utils.make_test_protocol(asyncio.Protocol) transport = self.socket_transport() self.sock.recv.return_value = b'data' transport._read_ready() self.protocol.data_received.assert_called_with(b'data') # switch protocol to a BufferedProtocol buf_proto = test_utils.make_test_protocol(asyncio.BufferedProtocol) buf = bytearray(4) buf_proto.get_buffer.side_effect = lambda hint: buf transport.set_protocol(buf_proto) self.sock.recv_into.return_value = 10 transport._read_ready() buf_proto.get_buffer.assert_called_with(-1) buf_proto.buffer_updated.assert_called_with(10) def test_buffer_updated_error(self): transport = self.socket_transport() transport._fatal_error = mock.Mock() self.loop.call_exception_handler = mock.Mock() self.protocol.buffer_updated.side_effect = LookupError() self.sock.recv_into.return_value = 10 transport._read_ready() self.assertTrue(transport._fatal_error.called) self.assertTrue(self.protocol.get_buffer.called) self.assertTrue(self.protocol.buffer_updated.called) def test_read_eof_received_error(self): transport = self.socket_transport() transport.close = mock.Mock() transport._fatal_error = mock.Mock() self.loop.call_exception_handler = mock.Mock() self.protocol.eof_received.side_effect = LookupError() self.sock.recv_into.return_value = 0 transport._read_ready() self.protocol.eof_received.assert_called_with() self.assertTrue(transport._fatal_error.called) def test_read_ready(self): transport = self.socket_transport() self.sock.recv_into.return_value = 10 transport._read_ready() self.protocol.get_buffer.assert_called_with(-1) self.protocol.buffer_updated.assert_called_with(10) def test_read_ready_eof(self): transport = self.socket_transport() transport.close = mock.Mock() self.sock.recv_into.return_value = 0 transport._read_ready() self.protocol.eof_received.assert_called_with() transport.close.assert_called_with() def test_read_ready_eof_keep_open(self): transport = self.socket_transport() transport.close = mock.Mock() self.sock.recv_into.return_value = 0 self.protocol.eof_received.return_value = True transport._read_ready() self.protocol.eof_received.assert_called_with() self.assertFalse(transport.close.called) @mock.patch('logging.exception') def test_read_ready_tryagain(self, m_exc): self.sock.recv_into.side_effect = BlockingIOError transport = self.socket_transport() transport._fatal_error = mock.Mock() transport._read_ready() self.assertFalse(transport._fatal_error.called) @mock.patch('logging.exception') def test_read_ready_tryagain_interrupted(self, m_exc): self.sock.recv_into.side_effect = InterruptedError transport = self.socket_transport() transport._fatal_error = mock.Mock() transport._read_ready() self.assertFalse(transport._fatal_error.called) @mock.patch('logging.exception') def test_read_ready_conn_reset(self, m_exc): err = self.sock.recv_into.side_effect = ConnectionResetError() transport = self.socket_transport() transport._force_close = mock.Mock() with test_utils.disable_logger(): transport._read_ready() transport._force_close.assert_called_with(err) @mock.patch('logging.exception') def test_read_ready_err(self, m_exc): err = self.sock.recv_into.side_effect = OSError() transport = self.socket_transport() transport._fatal_error = mock.Mock() transport._read_ready() transport._fatal_error.assert_called_with( err, 'Fatal read error on socket transport') class SelectorDatagramTransportTests(test_utils.TestCase): def setUp(self): super().setUp() self.loop = self.new_test_loop() self.protocol = test_utils.make_test_protocol(asyncio.DatagramProtocol) self.sock = mock.Mock(spec_set=socket.socket) self.sock.fileno.return_value = 7 def datagram_transport(self, address=None): self.sock.getpeername.side_effect = None if address else OSError transport = _SelectorDatagramTransport(self.loop, self.sock, self.protocol, address=address) self.addCleanup(close_transport, transport) return transport def test_read_ready(self): transport = self.datagram_transport() self.sock.recvfrom.return_value = (b'data', ('0.0.0.0', 1234)) transport._read_ready() self.protocol.datagram_received.assert_called_with( b'data', ('0.0.0.0', 1234)) def test_read_ready_tryagain(self): transport = self.datagram_transport() self.sock.recvfrom.side_effect = BlockingIOError transport._fatal_error = mock.Mock() transport._read_ready() self.assertFalse(transport._fatal_error.called) def test_read_ready_err(self): transport = self.datagram_transport() err = self.sock.recvfrom.side_effect = RuntimeError() transport._fatal_error = mock.Mock() transport._read_ready() transport._fatal_error.assert_called_with( err, 'Fatal read error on datagram transport') def test_read_ready_oserr(self): transport = self.datagram_transport() err = self.sock.recvfrom.side_effect = OSError() transport._fatal_error = mock.Mock() transport._read_ready() self.assertFalse(transport._fatal_error.called) self.protocol.error_received.assert_called_with(err) def test_sendto(self): data = b'data' transport = self.datagram_transport() transport.sendto(data, ('0.0.0.0', 1234)) self.assertTrue(self.sock.sendto.called) self.assertEqual( self.sock.sendto.call_args[0], (data, ('0.0.0.0', 1234))) def test_sendto_bytearray(self): data = bytearray(b'data') transport = self.datagram_transport() transport.sendto(data, ('0.0.0.0', 1234)) self.assertTrue(self.sock.sendto.called) self.assertEqual( self.sock.sendto.call_args[0], (data, ('0.0.0.0', 1234))) def test_sendto_memoryview(self): data = memoryview(b'data') transport = self.datagram_transport() transport.sendto(data, ('0.0.0.0', 1234)) self.assertTrue(self.sock.sendto.called) self.assertEqual( self.sock.sendto.call_args[0], (data, ('0.0.0.0', 1234))) def test_sendto_no_data(self): transport = self.datagram_transport() transport._buffer.append((b'data', ('0.0.0.0', 12345))) transport.sendto(b'', ()) self.assertFalse(self.sock.sendto.called) self.assertEqual( [(b'data', ('0.0.0.0', 12345))], list(transport._buffer)) def test_sendto_buffer(self): transport = self.datagram_transport() transport._buffer.append((b'data1', ('0.0.0.0', 12345))) transport.sendto(b'data2', ('0.0.0.0', 12345)) self.assertFalse(self.sock.sendto.called) self.assertEqual( [(b'data1', ('0.0.0.0', 12345)), (b'data2', ('0.0.0.0', 12345))], list(transport._buffer)) def test_sendto_buffer_bytearray(self): data2 = bytearray(b'data2') transport = self.datagram_transport() transport._buffer.append((b'data1', ('0.0.0.0', 12345))) transport.sendto(data2, ('0.0.0.0', 12345)) self.assertFalse(self.sock.sendto.called) self.assertEqual( [(b'data1', ('0.0.0.0', 12345)), (b'data2', ('0.0.0.0', 12345))], list(transport._buffer)) self.assertIsInstance(transport._buffer[1][0], bytes) def test_sendto_buffer_memoryview(self): data2 = memoryview(b'data2') transport = self.datagram_transport() transport._buffer.append((b'data1', ('0.0.0.0', 12345))) transport.sendto(data2, ('0.0.0.0', 12345)) self.assertFalse(self.sock.sendto.called) self.assertEqual( [(b'data1', ('0.0.0.0', 12345)), (b'data2', ('0.0.0.0', 12345))], list(transport._buffer)) self.assertIsInstance(transport._buffer[1][0], bytes) def test_sendto_tryagain(self): data = b'data' self.sock.sendto.side_effect = BlockingIOError transport = self.datagram_transport() transport.sendto(data, ('0.0.0.0', 12345)) self.loop.assert_writer(7, transport._sendto_ready) self.assertEqual( [(b'data', ('0.0.0.0', 12345))], list(transport._buffer)) @mock.patch('asyncio.selector_events.logger') def test_sendto_exception(self, m_log): data = b'data' err = self.sock.sendto.side_effect = RuntimeError() transport = self.datagram_transport() transport._fatal_error = mock.Mock() transport.sendto(data, ()) self.assertTrue(transport._fatal_error.called) transport._fatal_error.assert_called_with( err, 'Fatal write error on datagram transport') transport._conn_lost = 1 transport._address = ('123',) transport.sendto(data) transport.sendto(data) transport.sendto(data) transport.sendto(data) transport.sendto(data) m_log.warning.assert_called_with('socket.send() raised exception.') def test_sendto_error_received(self): data = b'data' self.sock.sendto.side_effect = ConnectionRefusedError transport = self.datagram_transport() transport._fatal_error = mock.Mock() transport.sendto(data, ()) self.assertEqual(transport._conn_lost, 0) self.assertFalse(transport._fatal_error.called) def test_sendto_error_received_connected(self): data = b'data' self.sock.send.side_effect = ConnectionRefusedError transport = self.datagram_transport(address=('0.0.0.0', 1)) transport._fatal_error = mock.Mock() transport.sendto(data) self.assertFalse(transport._fatal_error.called) self.assertTrue(self.protocol.error_received.called) def test_sendto_str(self): transport = self.datagram_transport() self.assertRaises(TypeError, transport.sendto, 'str', ()) def test_sendto_connected_addr(self): transport = self.datagram_transport(address=('0.0.0.0', 1)) self.assertRaises( ValueError, transport.sendto, b'str', ('0.0.0.0', 2)) def test_sendto_closing(self): transport = self.datagram_transport(address=(1,)) transport.close() self.assertEqual(transport._conn_lost, 1) transport.sendto(b'data', (1,)) self.assertEqual(transport._conn_lost, 2) def test_sendto_ready(self): data = b'data' self.sock.sendto.return_value = len(data) transport = self.datagram_transport() transport._buffer.append((data, ('0.0.0.0', 12345))) self.loop._add_writer(7, transport._sendto_ready) transport._sendto_ready() self.assertTrue(self.sock.sendto.called) self.assertEqual( self.sock.sendto.call_args[0], (data, ('0.0.0.0', 12345))) self.assertFalse(self.loop.writers) def test_sendto_ready_closing(self): data = b'data' self.sock.send.return_value = len(data) transport = self.datagram_transport() transport._closing = True transport._buffer.append((data, ())) self.loop._add_writer(7, transport._sendto_ready) transport._sendto_ready() self.sock.sendto.assert_called_with(data, ()) self.assertFalse(self.loop.writers) self.sock.close.assert_called_with() self.protocol.connection_lost.assert_called_with(None) def test_sendto_ready_no_data(self): transport = self.datagram_transport() self.loop._add_writer(7, transport._sendto_ready) transport._sendto_ready() self.assertFalse(self.sock.sendto.called) self.assertFalse(self.loop.writers) def test_sendto_ready_tryagain(self): self.sock.sendto.side_effect = BlockingIOError transport = self.datagram_transport() transport._buffer.extend([(b'data1', ()), (b'data2', ())]) self.loop._add_writer(7, transport._sendto_ready) transport._sendto_ready() self.loop.assert_writer(7, transport._sendto_ready) self.assertEqual( [(b'data1', ()), (b'data2', ())], list(transport._buffer)) def test_sendto_ready_exception(self): err = self.sock.sendto.side_effect = RuntimeError() transport = self.datagram_transport() transport._fatal_error = mock.Mock() transport._buffer.append((b'data', ())) transport._sendto_ready() transport._fatal_error.assert_called_with( err, 'Fatal write error on datagram transport') def test_sendto_ready_error_received(self): self.sock.sendto.side_effect = ConnectionRefusedError transport = self.datagram_transport() transport._fatal_error = mock.Mock() transport._buffer.append((b'data', ())) transport._sendto_ready() self.assertFalse(transport._fatal_error.called) def test_sendto_ready_error_received_connection(self): self.sock.send.side_effect = ConnectionRefusedError transport = self.datagram_transport(address=('0.0.0.0', 1)) transport._fatal_error = mock.Mock() transport._buffer.append((b'data', ())) transport._sendto_ready() self.assertFalse(transport._fatal_error.called) self.assertTrue(self.protocol.error_received.called) @mock.patch('asyncio.base_events.logger.error') def test_fatal_error_connected(self, m_exc): transport = self.datagram_transport(address=('0.0.0.0', 1)) err = ConnectionRefusedError() transport._fatal_error(err) self.assertFalse(self.protocol.error_received.called) m_exc.assert_not_called() @mock.patch('asyncio.base_events.logger.error') def test_fatal_error_connected_custom_error(self, m_exc): class MyException(Exception): pass transport = self.datagram_transport(address=('0.0.0.0', 1)) err = MyException() transport._fatal_error(err) self.assertFalse(self.protocol.error_received.called) m_exc.assert_called_with( test_utils.MockPattern( 'Fatal error on transport\nprotocol:.*\ntransport:.*'), exc_info=(MyException, MOCK_ANY, MOCK_ANY)) if __name__ == '__main__': unittest.main()