Hi, i just started in rails and i''m very stuck with a fixture issue.
I''m trying to test my models, i have the following models:
-user: tipical user
-event: "something" with datetime and other things (for example,
holydays, trips, and so on)
-event_type: defines type of events and some options.
The user has_many :events
The event belongs_to :user, and also belongs_to :event_type
The event_type has_many :events
But! (here it''s the thing) I''ve defined other relationships,
in
''User'', like that:
has_many :vacations ,
:class_name => "Event",
:foreign_key => "user_id",
:conditions => [''event_type_id = ?'',
EventType.vacations.id]
Obviously in ''EventType'' i have methods like:
def self.vacations
find(:first, :conditions => ["name = ?",
"vacations"])
end
Ok, now when i try to execute something like:
require File.dirname(__FILE__) + ''/../test_helper''
class UserTest < Test::Unit::TestCase
fixtures :event_types, :events, :users
def test_users
assert true
end
end
I obtained the following error:
$ rake test:units
(in /home/blaxter/dev/rails/railsAppSample)
/usr/bin/ruby1.8 -Ilib:test
"/usr/lib/ruby/1.8/rake/rake_test_loader.rb"
"test/unit/user_test.rb"
/home/blaxter/dev/rails/railsAppSample/config/../app/models/user.rb:14:
Called id for nil, which would mistakenly be 4 -- if you really wanted
the id of nil, use object_id (RuntimeError)
from /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require''
from /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
`require''
from
/home/blaxter/dev/rails/railsAppSample/config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:496:in
`require''
from
/home/blaxter/dev/rails/railsAppSample/config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:343:in
`new_constants_in''
from
/home/blaxter/dev/rails/railsAppSample/config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:496:in
`require''
from
/home/blaxter/dev/rails/railsAppSample/config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:105:in
`require_or_load''
from
/home/blaxter/dev/rails/railsAppSample/config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:61:in
`depend_on''
from
/home/blaxter/dev/rails/railsAppSample/config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:443:in
`require_dependency''
from
/home/blaxter/dev/rails/railsAppSample/config/../vendor/rails/activerecord/lib/active_record/fixtures.rb:472:in
`require_fixture_classes''
from
/home/blaxter/dev/rails/railsAppSample/config/../vendor/rails/activerecord/lib/active_record/fixtures.rb:468:in
`each''
from
/home/blaxter/dev/rails/railsAppSample/config/../vendor/rails/activerecord/lib/active_record/fixtures.rb:468:in
`require_fixture_classes''
from
/home/blaxter/dev/rails/railsAppSample/config/../vendor/rails/activerecord/lib/active_record/fixtures.rb:463:in
`fixtures''
from ./test/unit/user_test.rb:6
from /usr/lib/ruby/1.8/rake/rake_test_loader.rb:5:in `load''
from /usr/lib/ruby/1.8/rake/rake_test_loader.rb:5
from /usr/lib/ruby/1.8/rake/rake_test_loader.rb:5:in `each''
from /usr/lib/ruby/1.8/rake/rake_test_loader.rb:5
rake aborted!
Command failed with status (1): [/usr/bin/ruby1.8 -Ilib:test
"/usr/lib/ruby...]
I thing the error is because rails is trying to obtain
''vacations''
relationship before ''EventType'' table contains the data
defined in the
fixture. The line 14 of users.rb is: :conditions => [''event_type_id
?'', EventType.vacations.id] so EventType.vacations will be nil, so
EventType.vacations.id fails
I try to defined the fixtures in order, but it doesn''t work.
I don''t know if i''m doing something wrong, if i
shouldn''t use that
kind of relathionship in my model, or what i should try to do :(.
Any help it would appreciate, thanks.
Jesús.
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