require 'spec_helper' describe Logic::Predicate::GreaterThan, '.call' do subject { object.call(left, right) } let(:object) { described_class } context 'when left is equal to right' do let(:left) { 1 } let(:right) { 1 } it { should be(false) } end context 'when left is greater than right' do let(:left) { 2 } let(:right) { 1 } it { should be(true) } end context 'when left is less than right' do let(:left) { 1 } let(:right) { 2 } it { should be(false) } end end