require 'spec_helper' describe Virtus::Attribute, '#value_coerced?' do subject { object.value_coerced?(input) } let(:object) { described_class.build(String) } context 'when input is coerced' do let(:input) { '1' } it { should be(true) } end context 'when input is not coerced' do let(:input) { 1 } it { should be(false) } end end