On Mon, Mar 17, 2008 at 6:28 AM, Rick DeNatale <[EMAIL PROTECTED]> wrote:
>
> On 3/17/08, David Chelimsky <[EMAIL PROTECTED]> wrote:
> > On Mon, Mar 17, 2008 at 5:53 AM, roberto belardo <[EMAIL PROTECTED]> wrote:
> > > Hi all,
> > > i'm learning rspec and i must admit i really love it.
> > > But at the time i started learning it, i already
> > > developed my models classes and their callbacks.
> > >
> > > Now i'm trying to get a 100% coverage of my code but i
> > > cannot reach it because i do not understand how to
> > > spec my callbacks.
> > >
> > > Look at this for example:
> > >
> > > ----------------- User Model
> > >
> > > class User < ActiveRecord::Base
> > > before_destroy :delete_associated_comments
> > > def delete_associated_comments
> > > comments = Comment.find_all_by_user_id(self.id)
> > > comments.each { |c|
> > > c.destroy
> > > }
> > > end
> > > end
> > >
> > > ----------------- User Spec
> > >
> > > describe User, " being deleted" do
> > >
> > > before(:each) do
> > > end
> > >
> > > it "should see deleted his own comments" do
> > > user = Factory.create_user()
> > > comment_1 = Factory.create_comment(:author =>
> > > user)
> > > comment_2 = Factory.create_comment(:author =>
> > > user)
> > > user.destroy
> > > comment_1.should be nil
> > > comment_2.should be nil
> >
> >
> > This won't work because you already have a handle on each of these
> > objects. They are likely deleted from the database, but destroying an
> > object (in AR terms) does not turn an instance of it to nil.
> >
> > Give this a shot:
> >
> > lambda { Comment.find(comment_1.id) }.should
> > raise_error(ActiveRecord::RecordNotFound)
> > lambda { Comment.find(comment_2.id) }.should
> > raise_error(ActiveRecord::RecordNotFound)
> >
> > Although generally I prefer to keep only one expectation per example.
> >
> > HTH,
> >
> > David
>
> Or perhaps
>
> Comment.find_all_by_user_id(user.id).should be_empty
+1
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