require_relative '../spec_helper'
require_relative '../fixtures/classes'

describe 'Socket.unix_server_loop' do
  before do
    @path = SocketSpecs.socket_path
  end

  after do
    rm_r(@path) if File.file?(@path)
  end

  describe 'when no connections are available' do
    it 'blocks the caller' do
      -> { Socket.unix_server_loop(@path) }.should block_caller
    end
  end

  describe 'when a connection is available' do
    before do
      @client = nil
    end

    after do
      @sock.close if @sock
      @client.close if @client
    end

    it 'yields a Socket and an Addrinfo' do
      @sock, addr = nil

      thread = Thread.new do
        Socket.unix_server_loop(@path) do |socket, addrinfo|
          @sock = socket
          addr = addrinfo

          break
        end
      end

      SocketSpecs.loop_with_timeout do
        begin
          @client = Socket.unix(@path)
        rescue SystemCallError
          sleep 0.01
          :retry
        end
      end

      thread.join

      @sock.should.instance_of?(Socket)
      addr.should.instance_of?(Addrinfo)
    end
  end
end
