#!/usr/bin/env ruby

# Copyright (c) 2007, 2011 Samuel G. D. Williams. <http://www.oriontransfer.co.nz>
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

require 'rubygems'

require 'test/unit'
require 'fileutils'
require 'pathname'
require 'rexec'

class ServerTest < Test::Unit::TestCase
  def test_local_execution
    code = Pathname.new(__FILE__).dirname + "./client.rb"
    sobj = [1, 2, "three", 4]
    stderr_text = "There was no error.. maybe?"
    connection_started = false
    object_received = false

    RExec::start_server(code.read, "ruby", :passthrough => []) do |conn, pid|
      connection_started = true
      conn.send_object([:bounce, sobj])

      assert_equal sobj, conn.receive_object

      assert_raises(Exception) do
        conn.send_object([:exception])
        obj = conn.receive_object
        
        puts "Received object which should have been exception: #{obj.inspect}"
      end

      conn.dump_errors
      conn.send_object([:stderr, stderr_text])

      puts "Attemping to read from #{conn.error.to_i}..."
      assert_equal stderr_text, conn.error.readline.chomp

      conn.stop
    end

    assert(connection_started, "Connection started")
  end
  
  def test_shell_execution
    connection_started = false
    code = Pathname.new(__FILE__).dirname + "client.rb"

    test_obj = [1, 2, 3, 4, "five"]

    RExec::start_server(code.read, "/bin/sh -c ruby", :passthrough => []) do |conn, pid|
      connection_started = true
      conn.send_object([:bounce, test_obj])

      assert_equal test_obj, conn.receive_object

      conn.stop
    end

    assert(connection_started, "Connection started")
  end
  
  def test_shell_execution_non_block
    connection_started = false
    code = Pathname.new(__FILE__).dirname + "client.rb"

    test_obj = [1, 2, 3, 4, "five"]

    conn, pid = RExec::start_server(code.read, "/bin/sh -c ruby", :passthrough => [])
    conn.send_object([:bounce, test_obj])

    assert_equal test_obj, conn.receive_object

    conn.stop
  end
end