require 'rubygems'
require 'test/unit'
require File.expand_path('../../lib/mini_magick', __FILE__)

class CommandBuilderTest < Test::Unit::TestCase
  include MiniMagick

  def test_basic
    c = CommandBuilder.new("test")
    c.resize "30x40"
    assert_equal "-resize 30x40", c.args.join(" ")
  end

  def test_complicated
    c = CommandBuilder.new("test")
    c.resize "30x40"
    c.alpha 1, 3, 4
    c.resize "mome fingo"
    assert_equal "-resize 30x40 -alpha 1 3 4 -resize \"mome fingo\"", c.args.join(" ")
  end
  
  def test_valid_command
    begin
      c = CommandBuilder.new("test", "path")
      c.input 2
      assert false
    rescue NoMethodError
      assert true
    end
  end
  
  def test_full_command
    c = CommandBuilder.new("test")
    c.resize "30x40"
    c.alpha 1, 3, 4
    c.resize "mome fingo"
    c.background "#000000"
    assert_equal "test -resize 30x40 -alpha 1 3 4 -resize \"mome fingo\" -background \"#000000\"", c.command
  end

  def test_dashed
    c = CommandBuilder.new("test")
    c.auto_orient
    assert_equal "-auto-orient", c.args.join(" ")
  end
end