require File.dirname(__FILE__) + '/../../../../../spec_helper'
include OpenEHR::RM::DataTypes::Basic
include OpenEHR::RM::Support::Identification
include OpenEHR::RM::DataTypes::Text

describe DvState do
  before(:each) do
    @terminology_id = TerminologyId.new('openher')
    code_phrase = CodePhrase.new(:code_string => '524',
                                 :terminology_id => @terminology_id)
    dv_coded_text = DvCodedText.new(:value => "initial",
                                    :defining_code => code_phrase)
    @dv_state = DvState.new(:value => dv_coded_text,
                            :is_terminal => false)
  end

  it 'should be an instance of DvState' do
    @dv_state.should be_an_instance_of DvState
  end

  it 's value should be initial' do
    @dv_state.value.value.should == 'initial'
  end

  it 'should change other value assigned' do
    code_phrase = CodePhrase.new(:code_string => '526',
                                 :terminology_id => @terminology_id)
    dv_coded_text = DvCodedText.new(:value =>'planned',
                                    :defining_code => code_phrase)
    lambda {
      @dv_state.value = dv_coded_text
    }.should change{@dv_state.value.value}.from('initial').to('planned')
  end

  it 'is not terminal' do
    @dv_state.is_terminal?.should be_false
  end

  it 'should change to terminal' do
    lambda {
      @dv_state.is_terminal = true
    }.should change(@dv_state, :is_terminal?).from(false).to(true)
  end
end