Function setup

src/trio/_tests/test_ssl.py:1322–1341

(
        https_compatible: bool = False,
    )

async def test_SSLListener(client_ctx: SSLContext) -> None:
    async def setup(
        https_compatible: bool = False,
    ) -> tuple[tsocket.SocketType, SSLListener[SocketStream], SSLStream[SocketStream]]:
        listen_sock = tsocket.socket()
        await listen_sock.bind(("127.0.0.1", 0))
        listen_sock.listen(1)
        socket_listener = SocketListener(listen_sock)
        ssl_listener = SSLListener(
            socket_listener,
            SERVER_CTX,
            https_compatible=https_compatible,
        )

        transport_client = await open_tcp_stream(*listen_sock.getsockname())
        ssl_client = SSLStream(
            transport_client,
            client_ctx,
            server_hostname="trio-test-1.example.org",
        )
        return listen_sock, ssl_listener, ssl_client

    listen_sock, ssl_listener, ssl_client = await setup()