require 'test/unit'
require 'engine/command'

require 'models/entity'

class TCCommand < Command
    def initialize(executor)
        super(executor,"command","command <string>",
              "prints the <string> passed to the command")
    end
    def execute(params)
        raise UsageException if params.empty?
        "#{self.executor} goes #{params}!"
    end
end

class CommandTest < Test::Unit::TestCase
    def setup
        @char = Entity.new
        @char.oid = 1
        @char.name = 'Hero'
    end
    def test_command
        c = Command.new(Entity.new,"name","usage","description")
        assert_raises(NoMethodError){c.execute({})}
    end
    def test_simple_command
        c = TCCommand.new(@char)
        assert_equal("Hero goes boom!",c.execute("boom"))
        assert_raises(UsageException) { c.execute('') }
    end
end