require 'helper'

class Bus
  include Transitions

  state_machine do
    state :parking
  end
end

class TestStatePredicateMethod < Test::Unit::TestCase
  def setup
    @bus = Bus.new
  end

  test 'should generate predicate methods for states' do
    assert_true @bus.respond_to?(:parking?)
    assert_true @bus.send(:parking?)
  end

  test 'should raise `InvalidMethodOverride` if we try to overwrite existing methods' do
    assert_raise(Transitions::InvalidMethodOverride) do
      Class.new do
        include Transitions

        state_machine do
          state :frozen
        end
      end
    end
  end
end