Rspec Stub Test

test1_spec.rb

# test1_spec.rb - run this using "rspec test1_spec.rb"
require 'rspec'

class Test1
  def initialize
    sayhi
  end
  def sayhi
    puts "HI"
  end
end

describe Test1 do
  it "should work" do
    Test1.stub!(:sayhi).and_return("")
    Test1.new.should_not be_nil
  end
end