# Test that socket.connect() on a socket with timeout raises EINPROGRESS or ETIMEDOUT appropriately. import errno import socket def test(peer_addr, timeout, expected_exc): s = socket.socket() s.settimeout(timeout) try: s.connect(peer_addr) print("OK") except OSError as er: print(er.args[0] in expected_exc) s.close() if __name__ == "__main__": # This test needs an address that doesn't respond to TCP connections. # 1.1.1.1:8000 seem to reliably timeout, so use that. addr = socket.getaddrinfo("1.1.1.1", 8000)[0][-1] test(addr, 0, (errno.EINPROGRESS,)) test(addr, 1, (errno.ETIMEDOUT, "timed out")) # CPython uses a string instead of errno