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