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{% skip_file if flag?(:wasm32) %}
require "./spec_helper"
require "../../support/win32"
# TODO: Windows networking in the interpreter requires #12495
{% if flag?(:interpreted) && flag?(:win32) %}
pending TCPSocket
{% skip_file %}
{% end %}
describe TCPSocket, tags: "network" do
describe "#connect" do
each_ip_family do |family, address|
it "connects to server" do
port = unused_local_port
TCPServer.open(address, port) do |server|
TCPSocket.open(address, port) do |client|
client.local_address.address.should eq address
sock = server.accept
sock.closed?.should be_false
client.closed?.should be_false
sock.local_address.port.should eq(port)
sock.local_address.address.should eq(address)
client.remote_address.port.should eq(port)
sock.remote_address.address.should eq address
end
end
end
it "raises when connection is refused" do
port = unused_local_port
expect_raises(Socket::ConnectError, "Error connecting to '#{address}:#{port}'") do
TCPSocket.new(address, port)
end
end
it "raises when port is negative" do
error = expect_raises(Socket::Addrinfo::Error) do
TCPSocket.new(address, -12)
end
error.os_error.should eq({% if flag?(:win32) %}
WinError::WSATYPE_NOT_FOUND
{% elsif flag?(:linux) && !flag?(:android) %}
Errno.new(LibC::EAI_SERVICE)
{% else %}
Errno.new(LibC::EAI_NONAME)
{% end %})
end
it "raises when port is zero" do
expect_raises(Socket::ConnectError) do
TCPSocket.new(address, 0)
end
end
end
describe "address resolution" do
it "connects to localhost" do
port = unused_local_port
TCPServer.open("localhost", port) do |server|
TCPSocket.open("localhost", port) do |client|
server.accept
end
end
end
it "raises when host doesn't exist" do
err = expect_raises(Socket::Error, "Hostname lookup for doesnotexist.example.org. failed") do
TCPSocket.new("doesnotexist.example.org.", 12345)
end
# FIXME: Resolve special handling for win32. The error code handling should be identical.
{% if flag?(:win32) %}
[WinError::WSAHOST_NOT_FOUND, WinError::WSATRY_AGAIN].should contain err.os_error
{% elsif flag?(:android) %}
err.os_error.should eq(Errno.new(LibC::EAI_NODATA))
{% else %}
[Errno.new(LibC::EAI_NONAME), Errno.new(LibC::EAI_AGAIN)].should contain err.os_error
{% end %}
end
it "raises (rather than segfault on darwin) when host doesn't exist and port is 0" do
err = expect_raises(Socket::Error, "Hostname lookup for doesnotexist.example.org. failed") do
TCPSocket.new("doesnotexist.example.org.", 0)
end
# FIXME: Resolve special handling for win32. The error code handling should be identical.
{% if flag?(:win32) %}
[WinError::WSAHOST_NOT_FOUND, WinError::WSATRY_AGAIN].should contain err.os_error
{% elsif flag?(:android) %}
err.os_error.should eq(Errno.new(LibC::EAI_NODATA))
{% else %}
[Errno.new(LibC::EAI_NONAME), Errno.new(LibC::EAI_AGAIN)].should contain err.os_error
{% end %}
end
end
it "fails to connect IPv6 to IPv4 server" do
port = unused_local_port
TCPServer.open("0.0.0.0", port) do |server|
expect_raises(Socket::ConnectError, "Error connecting to '::1:#{port}'") do
TCPSocket.new("::1", port)
end
end
end
end
it "sync from server" do
port = unused_local_port
TCPServer.open("::", port) do |server|
TCPSocket.open("localhost", port) do |client|
sock = server.accept
sock.sync?.should eq(server.sync?)
end
# test sync flag propagation after accept
server.sync = !server.sync?
TCPSocket.open("localhost", port) do |client|
sock = server.accept
sock.sync?.should eq(server.sync?)
end
end
end
it "settings" do
port = unused_local_port
TCPServer.open("::", port) do |server|
TCPSocket.open("localhost", port) do |client|
# test protocol specific socket options
(client.tcp_nodelay = true).should be_true
client.tcp_nodelay?.should be_true
(client.tcp_nodelay = false).should be_false
client.tcp_nodelay?.should be_false
{% unless flag?(:openbsd) %}
(client.tcp_keepalive_idle = 42).should eq 42
client.tcp_keepalive_idle.should eq 42
(client.tcp_keepalive_interval = 42).should eq 42
client.tcp_keepalive_interval.should eq 42
(client.tcp_keepalive_count = 42).should eq 42
client.tcp_keepalive_count.should eq 42
{% end %}
end
end
end
it "fails when connection is refused" do
port = TCPServer.open("localhost", 0) do |server|
server.local_address.port
end
expect_raises(Socket::ConnectError, "Error connecting to 'localhost:#{port}'") do
TCPSocket.new("localhost", port)
end
end
it "sends and receives messages" do
port = unused_local_port
TCPServer.open("::", port) do |server|
TCPSocket.open("localhost", port) do |client|
sock = server.accept
client << "ping"
sock.gets(4).should eq("ping")
sock << "pong"
client.gets(4).should eq("pong")
end
end
end
it "sends and receives messages" do
port = unused_local_port
channel = Channel(Exception?).new
spawn do
TCPServer.open("::", port) do |server|
channel.send nil
sock = server.accept
sock.read_timeout = 3.second
sock.write_timeout = 3.second
sock.gets(4).should eq("ping")
sock << "pong"
channel.send nil
end
rescue exc
channel.send exc
end
if exc = channel.receive
raise exc
end
TCPSocket.open("localhost", port) do |client|
client.read_timeout = 3.second
client.write_timeout = 3.second
client << "ping"
client.gets(4).should eq("pong")
end
if exc = channel.receive
raise exc
end
end
end
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