Mocks suck - code for embedding into my blog post on this topic

arrange_act_assert.rb

#Arrange
my_thing = Thing.new :colour => :yellow

#Act
my_thing.bleach!

#Assert
my_thing.colour.should == :white

matahari_example.rb

obj = MyAwesomeObject.new
helper = spy(:helper)
obj.helper = helper

obj.do_something_cool

helper.should have_received.bleach_available?

mockito_example.java

import static org.mockito.Mockito.*;

List mockedList = mock(List.class);

mockedList.add("one");
mockedList.clear();

verify(mockedList).add("one");

mocks_arrange_assert_act.rb

#Arrange
helper = mock(:helper)
my_thing = Thing.new :helper => helper

#Assert
helper.should_receive(:message)

#Act
my_thing.do_something_cool

mocks_make_your_brain_hurt.rb

#Arrange
helper = mock(:helper)
my_thing = Thing.new :colour => :yellow, :helper => helper

#Assert... Arrange... both?!
helper.should_receive(:bleach_available?).and_return(true)

#Act
my_thing.do_something_cool

#Assert again!
my_thing.colour.should == :white

rr_test_spies.rb

subject = Object.new
stub(subject).foo

subject.foo(1)

subject.should have_received.foo(1)
subject.should have_received.bar # this fails

rspec_arrange_act_assert.rb

describe Thing do
  context "when yellow" do
    before { my_thing = Thing.new :colour => :yellow }

    it "is white after bleaching" do
      my_thing.bleach!
      
      my_thing.colour.should == :white
    end
  end
end

simple_code_using_collaborator.rb

def send_to_warehouse(item)
  warehouse << item
end