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require "./spec_helper"
require "../../support/tempfile"
require "../../support/win32"
# TODO: Windows networking in the interpreter requires #12495
{% if flag?(:interpreted) && flag?(:win32) %}
pending Socket
{% skip_file %}
{% end %}
describe Socket, tags: "network" do
describe ".unix" do
it "creates a unix socket" do
sock = Socket.unix
sock.should be_a(Socket)
sock.family.should eq(Socket::Family::UNIX)
sock.type.should eq(Socket::Type::STREAM)
# Datagram socket type is not supported on Windows yet:
# https://devblogs.microsoft.com/commandline/af_unix-comes-to-windows/#unsupportedunavailable
# https://github.com/microsoft/WSL/issues/5272
{% unless flag?(:win32) %}
sock = Socket.unix(Socket::Type::DGRAM)
sock.type.should eq(Socket::Type::DGRAM)
{% end %}
error = expect_raises(Socket::Error) do
TCPSocket.new(family: :unix)
end
error.os_error.should eq({% if flag?(:win32) %}
WinError::WSAEPROTONOSUPPORT
{% elsif flag?(:wasi) %}
WasiError::PROTONOSUPPORT
{% else %}
Errno.new(LibC::EPROTONOSUPPORT)
{% end %})
end
end
describe "#tty?" do
it "with non TTY" do
Socket.new(Socket::Family::INET, Socket::Type::STREAM, Socket::Protocol::TCP).tty?.should be_false
end
end
it ".accept" do
client_done = Channel(Nil).new
server = Socket.new(Socket::Family::INET, Socket::Type::STREAM, Socket::Protocol::TCP)
begin
port = unused_local_port
server.bind("0.0.0.0", port)
server.listen
spawn do
TCPSocket.new("127.0.0.1", port).close
ensure
client_done.send nil
end
client = server.accept
begin
client.family.should eq(Socket::Family::INET)
client.type.should eq(Socket::Type::STREAM)
client.protocol.should eq(Socket::Protocol::TCP)
{% unless flag?(:win32) %}
client.close_on_exec?.should be_true
{% end %}
ensure
client.close
end
ensure
server.close
client_done.receive
end
end
it "accept raises timeout error if read_timeout is specified" do
server = Socket.new(Socket::Family::INET, Socket::Type::STREAM, Socket::Protocol::TCP)
port = unused_local_port
server.bind("0.0.0.0", port)
server.read_timeout = 0.1.seconds
server.listen
expect_raises(IO::TimeoutError) { server.accept }
expect_raises(IO::TimeoutError) { server.accept? }
end
it "sends messages" do
port = unused_local_port
server = Socket.tcp(Socket::Family::INET)
server.bind("127.0.0.1", port)
server.listen
address = Socket::IPAddress.new("127.0.0.1", port)
spawn do
client = server.not_nil!.accept
client.gets.should eq "foo"
client.puts "bar"
ensure
client.try &.close
end
socket = Socket.tcp(Socket::Family::INET)
socket.connect(address)
socket.puts "foo"
socket.gets.should eq "bar"
ensure
socket.try &.close
server.try &.close
end
# Datagram socket type is not supported on Windows yet
{% unless flag?(:win32) %}
it "sends datagram over unix socket" do
with_tempfile("datagram_unix") do |path|
server = Socket.unix(Socket::Type::DGRAM)
server.bind Socket::UNIXAddress.new(path)
client = Socket.unix(Socket::Type::DGRAM)
client.connect Socket::UNIXAddress.new(path)
client.send "foo"
message, _ = server.receive
message.should eq "foo"
end
end
{% end %}
describe "#bind" do
each_ip_family do |family, _, any_address|
it "binds to port" do
socket = TCPSocket.new family
socket.bind(any_address, 0)
socket.listen
address = socket.local_address.as(Socket::IPAddress)
address.address.should eq(any_address)
address.port.should be > 0
ensure
socket.try &.close
end
it "binds to port using Socket::IPAddress" do
socket = TCPSocket.new family
socket.bind Socket::IPAddress.new(any_address, 0)
socket.listen
address = socket.local_address.as(Socket::IPAddress)
address.address.should eq(any_address)
address.port.should be > 0
ensure
socket.try &.close
end
it "binds to port using default IP" do
socket = TCPSocket.new family
socket.bind unused_local_port
socket.listen
address = socket.local_address.as(Socket::IPAddress)
address.address.should eq(any_address)
address.port.should be > 0
socket.close
socket = UDPSocket.new family
socket.bind unused_local_port
socket.close
end
end
end
{% unless flag?(:win32) %}
it "closes on exec by default" do
socket = Socket.new(Socket::Family::INET, Socket::Type::STREAM, Socket::Protocol::TCP)
socket.close_on_exec?.should be_true
end
{% end %}
describe "#finalize" do
it "does not flush" do
port = unused_local_port
server = Socket.tcp(Socket::Family::INET)
server.bind("127.0.0.1", port)
server.listen
spawn do
client = server.not_nil!.accept
client.sync = false
client << "foo"
client.flush
client << "bar"
client.finalize
ensure
client.try(&.close) rescue nil
end
socket = Socket.tcp(Socket::Family::INET)
socket.connect(Socket::IPAddress.new("127.0.0.1", port))
socket.gets.should eq "foo"
ensure
socket.try &.close
server.try &.close
end
end
end
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