spec/unit/rack/formatters/json_spec.rb in goliath-1.0.3 vs spec/unit/rack/formatters/json_spec.rb in goliath-1.0.4

@@ -6,11 +6,11 @@
     lambda { Goliath::Rack::Formatters::JSON.new('my app') }.should_not raise_error
   end
 
   describe 'with a formatter' do
     before(:each) do
-      @app = mock('app').as_null_object
+      @app = double('app').as_null_object
       @js = Goliath::Rack::Formatters::JSON.new(@app)
     end
 
     it 'checks content type for application/json' do
       @js.json_response?({'Content-Type' => 'application/json'}).should be_true
@@ -19,10 +19,10 @@
     it 'returns false for non-applicaton/json types' do
       @js.json_response?({'Content-Type' => 'application/xml'}).should be_false
     end
 
     it 'calls the app with the provided environment' do
-      env_mock = mock('env').as_null_object
+      env_mock = double('env').as_null_object
       @app.should_receive(:call).with(env_mock).and_return([200, {}, {"a" => 1}])
       @js.call(env_mock)
     end
 
     it 'formats the body into json if content-type is json' do