spec/ruby/library/socket/basicsocket/do_not_reverse_lookup_spec.rb


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

describe "BasicSocket.do_not_reverse_lookup" do
  before :each do
    @do_not_reverse_lookup = BasicSocket.do_not_reverse_lookup
    @server = TCPServer.new('127.0.0.1', 0)
    @port = @server.addr[1]
    @socket = TCPSocket.new('127.0.0.1', @port)
  end

  after :each do
    @server.close unless @server.closed?
    @socket.close unless @socket.closed?
    BasicSocket.do_not_reverse_lookup = @do_not_reverse_lookup
  end

  it "defaults to true" do
    BasicSocket.do_not_reverse_lookup.should be_true
  end

  it "causes 'peeraddr' to avoid name lookups" do
    @socket.do_not_reverse_lookup = true
    BasicSocket.do_not_reverse_lookup = true
    @socket.peeraddr.should == ["AF_INET", @port, "127.0.0.1", "127.0.0.1"]
  end

  it "looks for hostnames when set to false" do
    @socket.do_not_reverse_lookup = false
    BasicSocket.do_not_reverse_lookup = false
    @socket.peeraddr[2].should == SocketSpecs.hostname
  end

  it "looks for numeric addresses when set to true" do
    @socket.do_not_reverse_lookup = true
    BasicSocket.do_not_reverse_lookup = true
    @socket.peeraddr[2].should == "127.0.0.1"
  end
end