On Tue, May 19, 2009 at 2:50 PM, Barun Singh <barunio at gmail.com>
wrote:> Suppose a User has many Items, and I want to spec that when a user is
> destroyed its associated items are destroyed.? I''m seeing some
unexpected
> behavior:
>
> describe User do
> ? before(:each) do
> ? ? @user = create_user?? # helper method that actually creates & saves
a
> user
> ? ? @item = create_item
> ? ? @user.items << @item
> ? end
>
> ? # THIS WORKS
> ? it "should delete associated items when a user is destroyed" do
> ? ? @item.should == @user.items[0]
> ? ? @user.items[0].should_receive(:destroy)
> ? ? @user.destroy
> ? end
>
> ? # THIS FAILS
> ?? it "should delete associated items when a user is destroyed"
do
> ? ? @item.should_receive(:destroy)
> ? ? @user.destroy
> ? end
> end
>
> Why does the message expectation fail on @item but succeed on
> @user.items[0], even though @user.items[0] == @item ?
But @user.items[0].equal?(@item) wiil return false. They''re not the
same object. One of the mysteries of AR associations and proxies.
>
> Thanks...
>
>
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