[Rails] Re: rspec test case

Marnen Laibow-Koser wrote in post #956174:
> Robert Walker wrote in post #956169:
>> Steve Ross wrote in post #956143:
>>> On Oct 20, 2010, at 11:34 PM, Ishit Parikh wrote:
>>>
>>>> I want test case in rspec for:
>>>> @drugs = Drug.where('drug_category_id = ?', params[:id])
>>
>> Assuming this line is in a controller action...
>
> ...then you shouldn't be writing RSpec specs for it at all. Use
> Cucumber instead.

Agreed, but the OP asked about RSpec, so I showed an RSpec example.

> [...]
>> You don't need to hit the database just to make sure your controller is
>> assigning the @drugs instance variable. Use a mock instead.
>
> It's usually easier and more reliable to use a factory. Yes, that hits
> the DB. If you care that much, use an in-memory DB or something for
> testing.

Agreed, but was attempting to show "pure" RSpec rather than RSpec plus
something else. Also, as you said using mocks can take more setup, but
they can also provide a performance boost for specs that don't actually
require hitting a database. I'll have to put some more thought in to
using an in-memory database for testing. That's intriguing.

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