How to use uvloop - 10 common examples

async def test():
            port = tb.find_free_port()
            srv = await self.loop.create_server(Proto, '127.0.0.1', port)
            wsrv = weakref.ref(srv)
            del srv

            gc.collect()
            gc.collect()
            gc.collect()

            s = socket.socket(socket.AF_INET)
            with s:
                s.setblocking(False)
                await self.loop.sock_connect(s, ('127.0.0.1', port))
                d = await self.loop.sock_recv(s, 100)
                self.assertEqual(d, b'hello')

            srv = wsrv()

srv.close()
                await srv.wait_closed()

        self.loop.run_until_complete(test())
        self.assertTrue(eof)
        self.assertIsNone(done)
        self.assertEqual(recvd, b'a' * (SIZE + 1))


class Test_AIO_Unix(_TestUnix, tb.AIOTestCase):
    pass


class _TestSSL(tb.SSLTestCase):

    ONLYCERT = tb._cert_fullname(__file__, 'ssl_cert.pem')
    ONLYKEY = tb._cert_fullname(__file__, 'ssl_key.pem')

    def test_create_unix_server_ssl_1(self):
        CNT = 0           # number of clients that were successful
        TOTAL_CNT = 25    # total number of clients that test will create
        TIMEOUT = 10.0    # timeout for this test

        A_DATA = b'A' * 1024 * 1024
        B_DATA = b'B' * 1024 * 1024

        sslctx = self._create_server_ssl_context(self.ONLYCERT, self.ONLYKEY)
        client_sslctx = self._create_client_ssl_context()

        clients = []

        async def handle_client(reader, writer):

    @unittest.skipIf(
        multiprocessing.get_start_method(False) == 'spawn',
        'no need to test on macOS where spawn is used instead of fork')
    def test_executors_process_pool_01(self):
        self.run_pool_test(concurrent.futures.ProcessPoolExecutor)

    def test_executors_process_pool_02(self):
        self.run_pool_test(concurrent.futures.ThreadPoolExecutor)


class TestUVExecutors(_TestExecutors, tb.UVTestCase):
    pass


class TestAIOExecutors(_TestExecutors, tb.AIOTestCase):
    pass

loop.run_until_complete(server.wait_closed())
        try:
            loop.close()
        except Exception as exc:
            print(exc)
        qout.put('stopped')

    thread = threading.Thread(target=server_thread, daemon=True)
    thread.start()

    quin.get()
    server_loop.call_soon_threadsafe(server_loop.stop)
    thread.join(1)


class TestIssue39Regr(tb.UVTestCase):
    """See https://github.com/MagicStack/uvloop/issues/39 for details.

    Original code to reproduce the bug is by Jim Fulton.
    """

    def on_alarm(self, sig, fr):
        if self.running:
            raise FailedTestError

    def run_test(self):
        try:
            for i in range(10):
                for threaded in [True, False]:
                    if threaded:
                        qin, qout = queue.Queue(), queue.Queue()
                        threading.Thread(

'Python version must be < 3.7')
    def test_transport_unclosed_warning(self):
        async def test(sock):
            return await self.loop.create_unix_connection(
                asyncio.Protocol,
                None,
                sock=sock)

        with self.assertWarnsRegex(ResourceWarning, 'unclosed'):
            s1, s2 = socket.socketpair(socket.AF_UNIX)
            with s1, s2:
                self.loop.run_until_complete(test(s1))
            self.loop.close()


class Test_UV_Unix(_TestUnix, tb.UVTestCase):

    @unittest.skipUnless(hasattr(os, 'fspath'), 'no os.fspath()')
    def test_create_unix_connection_pathlib(self):
        async def run(addr):
            t, _ = await self.loop.create_unix_connection(
                asyncio.Protocol, addr)
            t.close()

        with self.unix_server(lambda sock: time.sleep(0.01)) as srv:
            addr = pathlib.Path(srv.addr)
            self.loop.run_until_complete(run(addr))

    @unittest.skipUnless(hasattr(os, 'fspath'), 'no os.fspath()')
    def test_create_unix_server_pathlib(self):
        with self.unix_sock_name() as srv_path:
            srv_path = pathlib.Path(srv_path)

with tempfile.NamedTemporaryFile('w') as stderr:
                with contextlib.redirect_stdout(stdout):
                    with contextlib.redirect_stderr(stderr):
                        self.loop.run_until_complete(test())

                stdout.flush()
                stderr.flush()

                with open(stdout.name, 'rb') as so:
                    self.assertEqual(so.read(), b'out\n')

                with open(stderr.name, 'rb') as se:
                    self.assertEqual(se.read(), b'err\n')


class Test_AIO_Process(_TestProcess, tb.AIOTestCase):
    pass


class TestAsyncio_UV_Process(_AsyncioTests, tb.UVTestCase):
    pass


class TestAsyncio_AIO_Process(_AsyncioTests, tb.AIOTestCase):
    pass


class Test_UV_Process_Delayed(tb.UVTestCase):

    class TestProto:
        def __init__(self):
            self.lost = 0

yield from waiter
            proof += 1

        @asyncio.coroutine
        def outer():
            nonlocal proof
            d, p = yield from asyncio.wait([inner()])
            proof += 100

        f = asyncio.ensure_future(outer())
        tb.run_briefly(self.loop)
        f.cancel()
        self.assertRaises(
            asyncio.CancelledError, self.loop.run_until_complete, f)
        waiter.set_result(None)
        tb.run_briefly(self.loop)
        self.assertEqual(proof, 1)

await srv.wait_closed()

        self.loop.run_until_complete(test())
        self.assertTrue(eof)
        self.assertIsNone(done)
        self.assertEqual(recvd, b'a' * (SIZE + 1))


class Test_AIO_Unix(_TestUnix, tb.AIOTestCase):
    pass


class _TestSSL(tb.SSLTestCase):

    ONLYCERT = tb._cert_fullname(__file__, 'ssl_cert.pem')
    ONLYKEY = tb._cert_fullname(__file__, 'ssl_key.pem')

    def test_create_unix_server_ssl_1(self):
        CNT = 0           # number of clients that were successful
        TOTAL_CNT = 25    # total number of clients that test will create
        TIMEOUT = 10.0    # timeout for this test

        A_DATA = b'A' * 1024 * 1024
        B_DATA = b'B' * 1024 * 1024

        sslctx = self._create_server_ssl_context(self.ONLYCERT, self.ONLYKEY)
        client_sslctx = self._create_client_ssl_context()

        clients = []

        async def handle_client(reader, writer):
            nonlocal CNT

async def test():
            port = tb.find_free_port()
            srv = await self.loop.create_server(Proto, '127.0.0.1', port)

            s = socket.socket(socket.AF_INET)
            with s:
                s.setblocking(False)
                await self.loop.sock_connect(s, ('127.0.0.1', port))
                await self.loop.sock_sendall(s, b'a' * SIZE)
                d = await self.loop.sock_recv(s, 100)
                self.assertEqual(d, b'hello')

            srv.close()
            await srv.wait_closed()

async def test(proto_factory, exc_type, exc_re):
            port = tb.find_free_port()
            proto = proto_factory()
            srv = await self.loop.create_server(
                lambda: proto, '127.0.0.1', port)

            try:
                s = socket.socket(socket.AF_INET)
                with s:
                    s.setblocking(False)
                    await self.loop.sock_connect(s, ('127.0.0.1', port))
                    await self.loop.sock_sendall(s, b'a')
                    d = await self.loop.sock_recv(s, 100)
                    if not d:
                        raise ConnectionResetError
            except ConnectionResetError:
                pass
            else: