require File.dirname(__FILE__) + '/spec_helper' class MockableClass def self.find id return :original_return end end describe "A partial mock" do it "should work at the class level (but fail here due to the type mismatch)" do MockableClass.should_receive(:find).with(1).and_return {:stub_return} MockableClass.find("1").should equal(:stub_return) end it "should revert to the original after each spec" do MockableClass.find(1).should equal(:original_return) end end