[rspec-users] [Cucumber, Webrat] Unable to run 2 features in a row

[Fernando Perez]

Fernando Perez wrote:
> Hi,
> 
> I have written 2 features that each have 1 scenario. When I execute each
> feature separately with "rake features FEATURE=features/..." they each
> pass, but when I do "rake features", the first feature passes, and the
> second one fails.
> 
> In my Given steps, I populate the DB, and some Given steps are called by
> both features. I can't call Given in only one feature and not the other,
> because in such case, individually running each feature would fail. So I
> have added a check, if the entry already exists, then I shall not create
> a duplicate. But it still doesn't work.
> 
> How to get around this headache? Anyone already bumped into that?

Okay I get it now. That was a nasty one:

Between each Scenario, the DB gets cleared, however when adding entries 
to the DB, the object's id gets incremented (i.e: it won't reset to 1). 
So you cannot do something like the following in your step files:
product.author_id = 1

The way to fix this problem is to instantiate the object as an instance 
var:
@author = Author.create!

And then in the step definition you get its id using:
product.author_id = @author.id


It took me a few hours to figure out, and a lot of trial and error.

As I don't see any other way around, I guess it is a good idea to update 
the following documentation page accordingly to explain in which case an 
instance var is compulsory: 
http://wiki.github.com/aslakhellesoy/cucumber/step-organisation
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