###
    tests_utils.coffee

    Copyright (C) 2013, 2014, Connected Sets

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

###

# ----------------------------------------------------------------------------------------------
# Setup mocha BDD, load expect
# ----------------------------

mocha.setup 'bdd' if typeof mocha isnt 'undefined'

expect = this.expect = if require? then ( require 'expect.js' ) else this.expect

# ----------------------------------------------------------------------------------------------
# deep clone of object
# --------------------

clone = this.clone = ( o ) ->
  return o if typeof o isnt 'object' or o is null

  r = if o instanceof Array then [] else {}

  r[ p ] = clone o[ p ] for p of o when o.hasOwnProperty p

  return r

# ----------------------------------------------------------------------------------------------
# Asynchrnous tests exception catcher
# -----------------------------------

check = this.check = ( done, test ) ->
  try
    test()
    
    done()
  catch e
    done e

# ----------------------------------------------------------------------------------------------
# xs
# --

xs = this.xs = this.xs || require( '../../lib/pipelet.js' )

XS = xs.XS
log = XS.log

log.newline_before = true;

this.log = ( message ) ->
  log( 'xs tests, ' + message )