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{% skip_file if flag?(:win32) %}
require "spec"
require "socket"
require "../../support/tempfile"
describe UNIXSocket do
it "raises when path is too long" do
with_tempfile("unix_socket-too_long-#{("a" * 2048)}.sock") do |path|
expect_raises(ArgumentError, "Path size exceeds the maximum size") { UNIXSocket.new(path) }
File.exists?(path).should be_false
end
end
it "sends and receives messages" do
with_tempfile("unix_socket.sock") do |path|
UNIXServer.open(path) do |server|
server.local_address.family.should eq(Socket::Family::UNIX)
server.local_address.path.should eq(path)
UNIXSocket.open(path) do |client|
client.local_address.family.should eq(Socket::Family::UNIX)
client.local_address.path.should eq(path)
server.accept do |sock|
sock.local_address.family.should eq(Socket::Family::UNIX)
sock.local_address.path.should eq(path)
sock.remote_address.family.should eq(Socket::Family::UNIX)
sock.remote_address.path.should eq(path)
client << "ping"
sock.gets(4).should eq("ping")
sock << "pong"
client.gets(4).should eq("pong")
end
end
end
end
end
it "sync flag after accept" do
with_tempfile("unix_socket-accept.sock") do |path|
UNIXServer.open(path) do |server|
UNIXSocket.open(path) do |client|
server.accept do |sock|
sock.sync?.should eq(server.sync?)
end
end
server.sync = !server.sync?
UNIXSocket.open(path) do |client|
server.accept do |sock|
sock.sync?.should eq(server.sync?)
end
end
end
end
end
it "creates a pair of sockets" do
UNIXSocket.pair do |left, right|
left.local_address.family.should eq(Socket::Family::UNIX)
left.local_address.path.should eq("")
left << "ping"
right.gets(4).should eq("ping")
right << "pong"
left.gets(4).should eq("pong")
end
end
it "tests read and write timeouts" do
UNIXSocket.pair do |left, right|
# BUG: shrink the socket buffers first
left.write_timeout = 0.0001
right.read_timeout = 0.0001
buf = ("a" * IO::DEFAULT_BUFFER_SIZE).to_slice
expect_raises(IO::TimeoutError, "Write timed out") do
loop { left.write buf }
end
expect_raises(IO::TimeoutError, "Read timed out") do
loop { right.read buf }
end
end
end
it "tests socket options" do
UNIXSocket.pair do |left, right|
size = 12000
# linux returns size * 2
sizes = [size, size * 2]
(left.send_buffer_size = size).should eq(size)
sizes.should contain(left.send_buffer_size)
(left.recv_buffer_size = size).should eq(size)
sizes.should contain(left.recv_buffer_size)
end
end
end
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