rspec test

gistfile1.rb

it "should not update email" do
  lambda {
          post :profile, {:user => {:email=>'', :first_name => 'jacky'}}
          @user.reload
   }.should_not change(@user, :email)
end

it "should update first name" do
        expect {
          post :profile, {:user => {:email=>'', :first_name => 'jacky'}}
          @user.reload
        }.to change(@user, :first_name)
end