require 'helper'

class TestStateTransition < Test::Unit::TestCase
  test 'should set from, to, and opts attr readers' do
    opts = { from: 'foo', to: 'bar', guard: 'g' }
    st = Transitions::StateTransition.new(opts)

    assert_equal opts[:from], st.from
    assert_equal opts[:to],   st.to
    assert_equal opts,        st.options
  end

  test 'should pass equality check if from and to are the same' do
    opts = { from: 'foo', to: 'bar', guard: 'g' }
    st = Transitions::StateTransition.new(opts)

    obj = stub
    obj.stubs(:from).returns(opts[:from])
    obj.stubs(:to).returns(opts[:to])

    assert_equal st, obj
  end

  test 'should fail equality check if from are not the same' do
    opts = { from: 'foo', to: 'bar', guard: 'g' }
    st = Transitions::StateTransition.new(opts)

    obj = stub
    obj.stubs(:from).returns('blah')
    obj.stubs(:to).returns(opts[:to])

    assert_not_equal st, obj
  end

  test 'should fail equality check if to are not the same' do
    opts = { from: 'foo', to: 'bar', guard: 'g' }
    st = Transitions::StateTransition.new(opts)

    obj = stub
    obj.stubs(:from).returns(opts[:from])
    obj.stubs(:to).returns('blah')

    assert_not_equal st, obj
  end
end