Rails - Oct 2008 - Fixtures, testing and namespaces

Hi Folks,

I am sure that someone, somewhere, has encountered this, but I''ve not
been able to find the answers yet.

I have some name-spaced models.  My application relies on another
database over which I have limited access (let''s call it the
"Main"
database) and therefore I have a models in the app/models/main
directory that are name-spaced like so:  Main::User and Main::Item,
etc..  There is an abstract base class from which these name-spaced
models derive that establishes the connection to the main database.

All good so far.

As I enrichen the series of test for my application (using RSpec, but
I do not believe that is the issue), I have run into trouble trying to
create parallel structures in my spec directory in which I can place
fixtures.

My goal is to have rich and suitable data in my test database to test
my models, views and controllers.  To do that, I also need a rich and
suitable data that mimics the Main database.  Obviously, I cannot
simply create and drop tables on this Main database. So I have a
migration to build some of the tables from the Main database in my
database for testing purposes.  A simple statement in the abstract
base class establishes the correct connection based upon the value of
the RAILS_ENV variable.  So, during test, the Main models point to my
local test database, which contains my application data and tables
from the Main database.

I have created some fixtures to pump reliable data into the Main
database tables during testing.  At first, I put them in a sub-
directory in the spec/fixtures directory.  That is; spec/fixtures/main/
users.yml for example.  However, I cannot specify a name-spaced
fixture in my test file.  I''ve tried statements such as:

fixtures :main/users
fixtures :''main/users''
fixtures ''main/users''.to_sym

et cetera.  Desperate efforts, I know.  :)

So I removed the name-spacing of the fixtures and moved the YML files
up one directory.  However, now the corresponding class for the
fixture (main/user) cannot be found because the testing infrastructure
is looking for "User" and not "Main::User"

Has anyone figured out this little puzzle?

Many thanks,

Peter

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fixtures :main_users

That should work with your namespaced models. Then you need to specify 
the fixtures class (do so beneath the above fixtures method call).

set_fixture_class :main_users => Main::User

Fixtures file main_users.yml can go in the test/fixtures directory.
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