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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# test asynchat from test import support from test.support import socket_helper import asynchat import asyncore import errno import socket import sys import threading import time import unittest import unittest.mock HOST = socket_helper.HOST SERVER_QUIT = b'QUIT\n' class echo_server(threading.Thread): # parameter to determine the number of bytes passed back to the # client each send chunk_size = 1 def __init__(self, event): threading.Thread.__init__(self) self.event = event self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.port = socket_helper.bind_port(self.sock) # This will be set if the client wants us to wait before echoing # data back. self.start_resend_event = None def run(self): self.sock.listen() self.event.set() conn, client = self.sock.accept() self.buffer = b"" # collect data until quit message is seen while SERVER_QUIT not in self.buffer: data = conn.recv(1) if not data: break self.buffer = self.buffer + data # remove the SERVER_QUIT message self.buffer = self.buffer.replace(SERVER_QUIT, b'') if self.start_resend_event: self.start_resend_event.wait() # re-send entire set of collected data try: # this may fail on some tests, such as test_close_when_done, # since the client closes the channel when it's done sending while self.buffer: n = conn.send(self.buffer[:self.chunk_size]) time.sleep(0.001) self.buffer = self.buffer[n:] except: pass conn.close() self.sock.close() class echo_client(asynchat.async_chat): def __init__(self, terminator, server_port): asynchat.async_chat.__init__(self) self.contents = [] self.create_socket(socket.AF_INET, socket.SOCK_STREAM) self.connect((HOST, server_port)) self.set_terminator(terminator) self.buffer = b"" def handle_connect(self): pass if sys.platform == 'darwin': # select.poll returns a select.POLLHUP at the end of the tests # on darwin, so just ignore it def handle_expt(self): pass def collect_incoming_data(self, data): self.buffer += data def found_terminator(self): self.contents.append(self.buffer) self.buffer = b"" def start_echo_server(): event = threading.Event() s = echo_server(event) s.start() event.wait() event.clear() time.sleep(0.01) # Give server time to start accepting. return s, event class TestAsynchat(unittest.TestCase): usepoll = False def setUp(self): self._threads = support.threading_setup() def tearDown(self): support.threading_cleanup(*self._threads) def line_terminator_check(self, term, server_chunk): event = threading.Event() s = echo_server(event) s.chunk_size = server_chunk s.start() event.wait() event.clear() time.sleep(0.01) # Give server time to start accepting. c = echo_client(term, s.port) c.push(b"hello ") c.push(b"world" + term) c.push(b"I'm not dead yet!" + term) c.push(SERVER_QUIT) asyncore.loop(use_poll=self.usepoll, count=300, timeout=.01) support.join_thread(s) self.assertEqual(c.contents, [b"hello world", b"I'm not dead yet!"]) # the line terminator tests below check receiving variously-sized # chunks back from the server in order to exercise all branches of # async_chat.handle_read def test_line_terminator1(self): # test one-character terminator for l in (1, 2, 3): self.line_terminator_check(b'\n', l) def test_line_terminator2(self): # test two-character terminator for l in (1, 2, 3): self.line_terminator_check(b'\r\n', l) def test_line_terminator3(self): # test three-character terminator for l in (1, 2, 3): self.line_terminator_check(b'qqq', l) def numeric_terminator_check(self, termlen): # Try reading a fixed number of bytes s, event = start_echo_server() c = echo_client(termlen, s.port) data = b"hello world, I'm not dead yet!\n" c.push(data) c.push(SERVER_QUIT) asyncore.loop(use_poll=self.usepoll, count=300, timeout=.01) support.join_thread(s) self.assertEqual(c.contents, [data[:termlen]]) def test_numeric_terminator1(self): # check that ints & longs both work (since type is # explicitly checked in async_chat.handle_read) self.numeric_terminator_check(1) def test_numeric_terminator2(self): self.numeric_terminator_check(6) def test_none_terminator(self): # Try reading a fixed number of bytes s, event = start_echo_server() c = echo_client(None, s.port) data = b"hello world, I'm not dead yet!\n" c.push(data) c.push(SERVER_QUIT) asyncore.loop(use_poll=self.usepoll, count=300, timeout=.01) support.join_thread(s) self.assertEqual(c.contents, []) self.assertEqual(c.buffer, data) def test_simple_producer(self): s, event = start_echo_server() c = echo_client(b'\n', s.port) data = b"hello world\nI'm not dead yet!\n" p = asynchat.simple_producer(data+SERVER_QUIT, buffer_size=8) c.push_with_producer(p) asyncore.loop(use_poll=self.usepoll, count=300, timeout=.01) support.join_thread(s) self.assertEqual(c.contents, [b"hello world", b"I'm not dead yet!"]) def test_string_producer(self): s, event = start_echo_server() c = echo_client(b'\n', s.port) data = b"hello world\nI'm not dead yet!\n" c.push_with_producer(data+SERVER_QUIT) asyncore.loop(use_poll=self.usepoll, count=300, timeout=.01) support.join_thread(s) self.assertEqual(c.contents, [b"hello world", b"I'm not dead yet!"]) def test_empty_line(self): # checks that empty lines are handled correctly s, event = start_echo_server() c = echo_client(b'\n', s.port) c.push(b"hello world\n\nI'm not dead yet!\n") c.push(SERVER_QUIT) asyncore.loop(use_poll=self.usepoll, count=300, timeout=.01) support.join_thread(s) self.assertEqual(c.contents, [b"hello world", b"", b"I'm not dead yet!"]) def test_close_when_done(self): s, event = start_echo_server() s.start_resend_event = threading.Event() c = echo_client(b'\n', s.port) c.push(b"hello world\nI'm not dead yet!\n") c.push(SERVER_QUIT) c.close_when_done() asyncore.loop(use_poll=self.usepoll, count=300, timeout=.01) # Only allow the server to start echoing data back to the client after # the client has closed its connection. This prevents a race condition # where the server echoes all of its data before we can check that it # got any down below. s.start_resend_event.set() support.join_thread(s) self.assertEqual(c.contents, []) # the server might have been able to send a byte or two back, but this # at least checks that it received something and didn't just fail # (which could still result in the client not having received anything) self.assertGreater(len(s.buffer), 0) def test_push(self): # Issue #12523: push() should raise a TypeError if it doesn't get # a bytes string s, event = start_echo_server() c = echo_client(b'\n', s.port) data = b'bytes\n' c.push(data) c.push(bytearray(data)) c.push(memoryview(data)) self.assertRaises(TypeError, c.push, 10) self.assertRaises(TypeError, c.push, 'unicode') c.push(SERVER_QUIT) asyncore.loop(use_poll=self.usepoll, count=300, timeout=.01) support.join_thread(s) self.assertEqual(c.contents, [b'bytes', b'bytes', b'bytes']) class TestAsynchat_WithPoll(TestAsynchat): usepoll = True class TestAsynchatMocked(unittest.TestCase): def test_blockingioerror(self): # Issue #16133: handle_read() must ignore BlockingIOError sock = unittest.mock.Mock() sock.recv.side_effect = BlockingIOError(errno.EAGAIN) dispatcher = asynchat.async_chat() dispatcher.set_socket(sock) self.addCleanup(dispatcher.del_channel) with unittest.mock.patch.object(dispatcher, 'handle_error') as error: dispatcher.handle_read() self.assertFalse(error.called) class TestHelperFunctions(unittest.TestCase): def test_find_prefix_at_end(self): self.assertEqual(asynchat.find_prefix_at_end("qwerty\r", "\r\n"), 1) self.assertEqual(asynchat.find_prefix_at_end("qwertydkjf", "\r\n"), 0) class TestNotConnected(unittest.TestCase): def test_disallow_negative_terminator(self): # Issue #11259 client = asynchat.async_chat() self.assertRaises(ValueError, client.set_terminator, -1) if __name__ == "__main__": unittest.main()