spec/unit/axiom/function/proposition/inverse_spec.rb in axiom-0.1.0 vs spec/unit/axiom/function/proposition/inverse_spec.rb in axiom-0.1.1

@@ -3,17 +3,17 @@
 require 'spec_helper'
 
 describe Function::Proposition, '#inverse' do
   subject { object.inverse }
 
-  let(:described_class)  { Class.new(Function::Proposition)                     }
-  let(:inverse_class)    { mock('Inverse Class', :instance => inverse_instance) }
-  let(:inverse_instance) { mock('Inverse Instance')                             }
-  let(:object)           { described_class.new                                  }
+  let(:described_class)  { Class.new(Function::Proposition)                    }
+  let(:inverse_class)    { double('Inverse Class', instance: inverse_instance) }
+  let(:inverse_instance) { double('Inverse Instance')                          }
+  let(:object)           { described_class.new                                 }
 
   before do
-    described_class.stub(:inverse => inverse_class)
+    described_class.stub(inverse: inverse_class)
   end
 
   it 'calls .inverse on the class' do
     described_class.should_receive(:inverse).with(no_args).and_return(inverse_class)
     subject
@@ -22,7 +22,7 @@
   it 'calls .instance on the inverse class' do
     inverse_class.should_receive(:instance).with(no_args)
     subject
   end
 
-  it { should equal(inverse_instance) }
+  it { should be(inverse_instance) }
 end