# 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 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 + "()")