stubbing new

gistfile1.rb

require 'rspec'

class Bar
  def baz
    puts "baz called"
  end
end

class Foo
  def initialize
    @bar = Bar.new
    @bar.baz
  end
end

describe "stubbing an init" do
  it 'should stub' do
    @mymock = mock("mymock")
    Bar.stub(:new).and_return(@mymock)
    @mymock.should_receive(:baz)
    Foo.new
  end
end