# Test that the esp32's socket module performs DNS resolutions on bind and connect
import sys

if sys.implementation.name == "micropython" and sys.platform != "esp32":
    print("SKIP")
    raise SystemExit

try:
    import usocket as socket, sys
except:
    import socket, sys


def test_bind_resolves_0_0_0_0():
    s = socket.socket()
    try:
        s.bind(("0.0.0.0", 31245))
        print("bind actually bound")
        s.close()
    except Exception as e:
        print("bind raised", e)


def test_bind_resolves_localhost():
    s = socket.socket()
    try:
        s.bind(("localhost", 31245))
        print("bind actually bound")
        s.close()
    except Exception as e:
        print("bind raised", e)


def test_connect_resolves():
    s = socket.socket()
    try:
        s.connect(("micropython.org", 80))
        print("connect actually connected")
        s.close()
    except Exception as e:
        print("connect raised", e)


def test_connect_non_existent():
    s = socket.socket()
    try:
        s.connect(("nonexistent.example.com", 80))
        print("connect actually connected")
        s.close()
    except OSError as e:
        print("connect raised OSError")
    except Exception as e:
        print("connect raised", e)


test_funs = [n for n in dir() if n.startswith("test_")]
for f in sorted(test_funs):
    print("--", f, end=": ")
    eval(f + "()")