Test of the socket module. The following functions and methods are

not currently tested (or even touched):

#	socket.fromfd()
# 	sktobj.getsockopt()
#	sktobj.recvfrom()
#	sktobj.sendto()
#	sktobj.setblocking()
# 	sktobj.setsockopt()
#	sktobj.shutdown()

Lib/test/test_socket.py

+# Not tested:
+#	socket.fromfd()
+# 	sktobj.getsockopt()
+#	sktobj.recvfrom()
+#	sktobj.sendto()
+#	sktobj.setblocking()
+# 	sktobj.setsockopt()
+#	sktobj.shutdown()
+
+
+from test_support import verbose
+import socket
+import os
+import time
+
+def missing_ok(str):
+    try:
+	getattr(socket, str)
+    except AttributeError:
+	pass
+
+print socket.error
+
+print socket.AF_INET
+
+print socket.SOCK_STREAM
+print socket.SOCK_DGRAM
+print socket.SOCK_RAW
+print socket.SOCK_RDM
+print socket.SOCK_SEQPACKET
+
+for optional in ("AF_UNIX",
+
+		 "SO_DEBUG", "SO_ACCEPTCONN", "SO_REUSEADDR", "SO_KEEPALIVE",
+		 "SO_DONTROUTE", "SO_BROADCAST", "SO_USELOOPBACK", "SO_LINGER",
+		 "SO_OOBINLINE", "SO_REUSEPORT", "SO_SNDBUF", "SO_RCVBUF",
+		 "SO_SNDLOWAT", "SO_RCVLOWAT", "SO_SNDTIMEO", "SO_RCVTIMEO",
+		 "SO_ERROR", "SO_TYPE", "SOMAXCONN",
+
+		 "MSG_OOB", "MSG_PEEK", "MSG_DONTROUTE", "MSG_EOR",
+		 "MSG_TRUNC", "MSG_CTRUNC", "MSG_WAITALL", "MSG_BTAG",
+		 "MSG_ETAG",
+
+		 "SOL_SOCKET",
+
+		 "IPPROTO_IP", "IPPROTO_ICMP", "IPPROTO_IGMP",
+		 "IPPROTO_GGP", "IPPROTO_TCP", "IPPROTO_EGP",
+		 "IPPROTO_PUP", "IPPROTO_UDP", "IPPROTO_IDP",
+		 "IPPROTO_HELLO", "IPPROTO_ND", "IPPROTO_TP",
+		 "IPPROTO_XTP", "IPPROTO_EON", "IPPROTO_BIP",
+		 "IPPROTO_RAW", "IPPROTO_MAX",
+
+		 "IPPORT_RESERVED", "IPPORT_USERRESERVED",
+
+		 "INADDR_ANY", "INADDR_BROADCAST", "INADDR_LOOPBACK",
+		 "INADDR_UNSPEC_GROUP", "INADDR_ALLHOSTS_GROUP",
+		 "INADDR_MAX_LOCAL_GROUP", "INADDR_NONE",
+
+		 "IP_OPTIONS", "IP_HDRINCL", "IP_TOS", "IP_TTL",
+		 "IP_RECVOPTS", "IP_RECVRETOPTS", "IP_RECVDSTADDR",
+		 "IP_RETOPTS", "IP_MULTICAST_IF", "IP_MULTICAST_TTL",
+		 "IP_MULTICAST_LOOP", "IP_ADD_MEMBERSHIP",
+		 "IP_DROP_MEMBERSHIP",
+		 ):
+    missing_ok(optional)
+
+hostname = socket.gethostname()
+ip = socket.gethostbyname(hostname)
+hname, aliases, ipaddrs = socket.gethostbyaddr(ip)
+
+if verbose:
+    print hostname
+    print ip
+    print hname, aliases, ipaddrs
+
+if hostname <> hname:
+    print 'hostname mismatch'
+
+print socket.getservbyname('telnet', 'tcp')
+try:
+    socket.getservbyname('telnet', 'udp')
+except socket.error:
+    pass
+
+
+try:
+    PORT = 50007
+    if os.fork():
+	s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+	s.bind(hostname, PORT)
+	s.listen(1)
+	if verbose:
+	    print 'parent accepting'
+	conn, addr = s.accept()
+	if verbose:
+	    print 'connected by', addr
+	# couple of interesting tests while we've got a live socket
+	f = conn.fileno()
+	if verbose:
+	    print 'fileno:', f
+	p = conn.getpeername()
+	if verbose:
+	    print 'peer:', p
+	n = conn.getsockname()
+	if verbose:
+	    print 'sockname:', n
+	f = conn.makefile()
+	if verbose:
+	    print 'file obj:', f
+	while 1:
+	    data = conn.recv(1024)
+	    if not data:
+		break
+	    if verbose:
+		print 'received:', data
+	    conn.send(data)
+	conn.close()
+    else:
+	time.sleep(1)
+	s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+	if verbose:
+	    print 'child connecting'
+	s.connect(hostname, PORT)
+	msg = 'socket test'
+	s.send(msg)
+	data = s.recv(1024)
+	if msg <> data:
+	    print 'parent/client mismatch'
+	s.close()
+except socket.error:
+    pass