Contents

require 'spec_helper'

describe Virtus::AttributeSet, '#<<' do
  subject { object << attribute }

  let(:attributes) { []                                      }
  let(:parent)     { described_class.new                     }
  let(:object)     { described_class.new(parent, attributes) }
  let(:name)       { :name                                   }

  context 'with a new attribute' do
    let(:attribute) { mock('Attribute', :name => name) }

    it { should equal(object) }

    it 'adds an attribute' do
      expect { subject }.to change { object.to_a }.
        from(attributes).
        to([ attribute ])
    end
  end

  context 'with a duplicate attribute' do
    let(:attributes) { [ mock('Attribute', :name => name) ] }
    let(:attribute)  { mock('Duplicate', :name => name)     }

    it { should equal(object) }

    it 'replaces the original attribute' do
      expect { subject }.to change { object.to_a }.
        from(attributes).
        to([ attribute ])
    end
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
virtus-0.0.10	spec/unit/virtus/attribute_set/append_spec.rb
virtus-0.0.9	spec/unit/virtus/attribute_set/append_spec.rb
virtus-0.0.8	spec/unit/virtus/attribute_set/append_spec.rb
virtus-0.0.7	spec/unit/virtus/attribute_set/append_spec.rb
virtus-0.0.6	spec/unit/virtus/attribute_set/append_spec.rb
virtus-0.0.5	spec/unit/virtus/attribute_set/append_spec.rb
virtus-0.0.4	spec/unit/virtus/attribute_set/append_spec.rb