test2_spec.rb

# test2_spec.rb - call using 'rspec test2_spec.rb'

require 'rspec'

class Test2
  attr_accessor :msg
  def initialize
    @msg = sayhi
  end
  def sayhi
    "hi"
  end
end

describe Test2, "stubbing methods used during object construction" do
  it "should assign the stub value to the instance variable" do
    Test2.stub!(:sayhi).and_return("bye")
    Test2.new.msg.should == "bye"
  end
end

describe Test2, "stubbing methods after the object is created" do
  it "should redefine the return value of a stubbed method" do
    obj = Test2.new
    obj.stub!(:sayhi).and_return("bye")
    obj.sayhi.should == "bye"
  end
end