On Nov 29, 2011, at 2:32 PM, Patrick J. Collins wrote:
> In the app I am working on, there are a lot of observers for various models
> which call Event.create! to log stuff... So within a particular example,
> various records might be created in order to test behavior-- and this would
> result in several events being created.
>
> So say, I have a spec that does:
>
> it "creates an event when sharing a post" do
> user = create_user # this will make an event record of type
> "user created"
> post = create_post(:user => user) # this will make an event record of type
> "post created"
> post.share!
>
> # check to see that Event has a "post shared" event
> end
>
> ...
>
> Normally I would just do Event.last.event_type.should == "post shared"
>
> However, if the Event model has it's default_scope set to order records in a
> certain way, that test might fail.
>
> So I could do:
>
> Event.unscoped.last.event_type.should == "post shared"
>
> But then I begin thinking maybe it should be more like this:
>
> it "creates an event when sharing a post" do
> Event.exists?(:event_type => "post shared").should be_false
>
> user = create_user # this will make an event record of type "user created"
> post = create_post(:user => user) # this will make an event record of type
> "post created"
> post.share!
>
> Event.exists?(:event_type => "post shared").should be_true
> end
>
> ... I'm just not sure what's the best way to go, and if there's a convention
> for this sort of thing?
I'm not aware of a solid convention for this. I tend to avoid the pairing of
the 1st and last lines of the 2nd example.
Are the events associated to the posts at all? If so you could specify
post.events.map(&:event_type).should include("post shared") or some such.
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