# refs #53
include OpenEhr::RM::DataStructures::ItemStructure::Representation
include OpenEhr::RM::DataTypes::Text
include OpenEhr::RM::Support::Identification

class TestDataStructuresRepresentationItem < Test::Unit::TestCase
  def setup
    name = DvText.new('BP')
    @item = Item.new(:name => name, :archetype_node_id => 'test')
  end

  def test_init
    assert_instance_of Item, @item
  end
end

class TestDataStructuresRepresentationElement < Test::Unit::TestCase
  def setup
    name = DvText.new('element')
    @element = Element.new(:name => name, :archetype_node_id => 'test')
  end

  def test_init
    assert_instance_of Element, @element
  end

  def test_is_null_true
    assert @element.is_null?
  end

  def test_value_assign
    @element.value = 'test'
    assert_equal 'test', @element.value
  end

  def test_is_null_false
    @element.value = 'test'
    assert !@element.is_null?
  end

  def test_null_flavor
    terminology_id = TerminologyId.new('openehr')
    code_phrase = CodePhrase.new('271', terminology_id)
    null_flavor = DvCodedText.new('no information', code_phrase)
    @element.null_flavor = null_flavor
    assert_equal 'no information', @element.null_flavor.value
  end

  def test_valid_null_flavor_is_nil
    assert_nothing_raised(ArgumentError){@element.null_flavor = nil}
  end

  def test_invalid_null_flavor_is_not_null_flavor
    terminology_id = TerminologyId.new('ICD10')
    code_phrase = CodePhrase.new('C92.0', terminology_id)
    null_flavor = DvCodedText.new('Acute Myeloid Leukemia', code_phrase)
    assert_raise(ArgumentError){@element.null_flavor = null_flavor}
  end
end