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begin
require "socket"
require "tmpdir"
require "test/unit"
rescue LoadError
end
class TestSocket < Test::Unit::TestCase
def test_socket_new
s = Socket.new(:INET, :STREAM)
assert_kind_of(Socket, s)
end
def test_unpack_sockaddr
sockaddr_in = Socket.sockaddr_in(80, "")
assert_raise(ArgumentError) { Socket.unpack_sockaddr_un(sockaddr_in) }
sockaddr_un = Socket.sockaddr_un("/tmp/s")
assert_raise(ArgumentError) { Socket.unpack_sockaddr_in(sockaddr_un) }
assert_raise(ArgumentError) { Socket.unpack_sockaddr_in("") }
assert_raise(ArgumentError) { Socket.unpack_sockaddr_un("") }
end if Socket.respond_to?(:sockaddr_un)
def test_sysaccept
serv = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
serv.bind(Socket.sockaddr_in(0, "127.0.0.1"))
serv.listen 5
c = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
c.connect(serv.getsockname)
fd, peeraddr = serv.sysaccept
assert_equal(c.getsockname, peeraddr.to_sockaddr)
ensure
serv.close if serv
c.close if c
IO.for_fd(fd).close if fd
end
def test_initialize
Socket.open(Socket::AF_INET, Socket::SOCK_STREAM, 0) {|s|
addr = s.getsockname
assert_nothing_raised { Socket.unpack_sockaddr_in(addr) }
assert_raise(ArgumentError) { Socket.unpack_sockaddr_un(addr) }
}
Socket.open("AF_INET", "SOCK_STREAM", 0) {|s|
addr = s.getsockname
assert_nothing_raised { Socket.unpack_sockaddr_in(addr) }
assert_raise(ArgumentError) { Socket.unpack_sockaddr_un(addr) }
}
Socket.open(:AF_INET, :SOCK_STREAM, 0) {|s|
addr = s.getsockname
assert_nothing_raised { Socket.unpack_sockaddr_in(addr) }
assert_raise(ArgumentError) { Socket.unpack_sockaddr_un(addr) }
}
end
def test_getaddrinfo
# This should not send a DNS query because AF_UNIX.
assert_raise(SocketError) { Socket.getaddrinfo("www.kame.net", 80, "AF_UNIX") }
end
def test_getnameinfo
assert_raise(SocketError) { Socket.getnameinfo(["AF_UNIX", 80, "0.0.0.0"]) }
end
def test_ip_address_list
begin
list = Socket.ip_address_list
rescue NotImplementedError
return
end
list.each {|ai|
assert_instance_of(Addrinfo, ai)
assert(ai.ip?)
}
end
def tcp_unspecified_to_loopback(addrinfo)
if addrinfo.ipv4? && addrinfo.ip_address == "0.0.0.0"
Addrinfo.tcp("127.0.0.1", addrinfo.ip_port)
elsif addrinfo.ipv6? && addrinfo.ipv6_unspecified?
Addrinfo.tcp("::1", addrinfo.ip_port)
elsif addrinfo.ipv6? && (ai = addrinfo.ipv6_to_ipv4) && ai.ip_address == "0.0.0.0"
Addrinfo.tcp("127.0.0.1", addrinfo.ip_port)
else
addrinfo
end
end
def test_tcp
TCPServer.open(0) {|serv|
addr = serv.local_address
addr = tcp_unspecified_to_loopback(addr)
addr.connect {|s1|
s2 = serv.accept
begin
assert_equal(s2.remote_address.ip_unpack, s1.local_address.ip_unpack)
ensure
s2.close
end
}
}
end
def random_port
# IANA suggests dynamic port for 49152 to 65535
# http://www.iana.org/assignments/port-numbers
49152 + rand(65535-49152+1)
end
def test_tcp_server_sockets
port = random_port
begin
sockets = Socket.tcp_server_sockets(port)
rescue Errno::EADDRINUSE
return # not test failure
end
begin
sockets.each {|s|
assert_equal(port, s.local_address.ip_port)
}
ensure
sockets.each {|s|
s.close
}
end
end
def test_tcp_server_sockets_port0
sockets = Socket.tcp_server_sockets(0)
ports = sockets.map {|s| s.local_address.ip_port }
the_port = ports.first
ports.each {|port|
assert_equal(the_port, port)
}
ensure
if sockets
sockets.each {|s|
s.close
}
end
end
if defined? UNIXSocket
def test_unix
Dir.mktmpdir {|tmpdir|
path = "#{tmpdir}/sock"
UNIXServer.open(path) {|serv|
Socket.unix(path) {|s1|
s2 = serv.accept
begin
s2raddr = s2.remote_address
s1laddr = s1.local_address
assert(s2raddr.to_sockaddr.empty? ||
s1laddr.to_sockaddr.empty? ||
s2raddr.unix_path == s1laddr.unix_path)
ensure
s2.close
end
}
}
}
end
def test_unix_server_socket
Dir.mktmpdir {|tmpdir|
path = "#{tmpdir}/sock"
2.times {
serv = Socket.unix_server_socket(path)
begin
assert_kind_of(Socket, serv)
assert(File.socket?(path))
assert_equal(path, serv.local_address.unix_path)
ensure
serv.close
end
}
}
end
def test_accept_loop_with_unix
Dir.mktmpdir {|tmpdir|
tcp_servers = []
clients = []
accepted = []
begin
tcp_servers = Socket.tcp_server_sockets(0)
unix_server = Socket.unix_server_socket("#{tmpdir}/sock")
tcp_servers.each {|s|
addr = tcp_unspecified_to_loopback(s.local_address)
clients << addr.connect
}
clients << unix_server.local_address.connect
Socket.accept_loop(tcp_servers, unix_server) {|s|
accepted << s
break if clients.length == accepted.length
}
assert_equal(clients.length, accepted.length)
ensure
tcp_servers.each {|s| s.close if !s.closed? }
unix_server.close if !unix_server.closed?
clients.each {|s| s.close if !s.closed? }
accepted.each {|s| s.close if !s.closed? }
end
}
end
end
def test_accept_loop
servers = []
begin
servers = Socket.tcp_server_sockets(0)
port = servers[0].local_address.ip_port
Socket.tcp("localhost", port) {|s1|
Socket.accept_loop(servers) {|s2, client_ai|
begin
assert_equal(s1.local_address.ip_unpack, client_ai.ip_unpack)
ensure
s2.close
end
break
}
}
ensure
servers.each {|s| s.close if !s.closed? }
end
end
def test_udp_server
begin
ip_addrs = Socket.ip_address_list
rescue NotImplementedError
return
end
Socket.udp_server_sockets(0) {|sockets|
begin
port = sockets.first.local_address.ip_port
th = Thread.new {
Socket.udp_server_loop_on(sockets) {|msg, msg_src|
break if msg == "exit"
rmsg = Marshal.dump([msg, msg_src.remote_address, msg_src.local_address])
msg_src.reply rmsg
}
}
ip_addrs.each {|ai|
Addrinfo.udp(ai.ip_address, port).connect {|s|
msg1 = "<<<#{ai.inspect}>>>"
s.sendmsg msg1
msg2, addr = s.recvmsg
msg2, remote_address, local_address = Marshal.load(msg2)
assert_equal(msg1, msg2)
assert_equal(ai.ip_address, addr.ip_address)
}
}
ensure
if th
Addrinfo.udp("127.0.0.1", port).connect {|s| s.sendmsg "exit" }
th.join
end
end
}
end
end if defined?(Socket)
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