Contents

require 'spec_helper'

describe Virtus::Attribute::DefaultValue, '#evaluate' do
  subject { object.evaluate(instance) }

  let(:object)    { described_class.new(attribute, value) }
  let(:attribute) { Virtus::Attribute::String.new(:title) }
  let(:instance)  { Class.new                             }

  context 'with a non-callable value' do
    context 'with a non-cloneable value' do
      let(:value) { nil }

      it { should eql(value) }
    end

    context 'with a cloneable value' do
      let(:value) { 'something' }

      it { should     eql(value)   }
      it { should_not equal(value) }
    end
  end

  context 'with a callable value' do
    let(:value) { lambda { |instance, attribute| attribute.name } }

    it { should be(:title) }
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
virtus-0.2.0	spec/unit/virtus/attribute/default_value/instance_methods/evaluate_spec.rb
virtus-0.1.0	spec/unit/virtus/attribute/default_value/instance_methods/evaluate_spec.rb