require 'spec_helper' describe Mutant::Subject, '#node' do subject { object.node } let(:object) { described_class.new(matcher, context, node) } let(:matcher) { mock('Matcher') } let(:node) { mock('Node') } let(:context) { mock('Context') } it { should be(node) } it_should_behave_like 'an idempotent method' end