Rails - Apr 2009 - setup method in functional tests and instance variables

I have the following in my functional test file.

class UserControllerTest < ActionController::TestCase
fixtures :users

  def setup
    @controller = UserController.new
  @request    = ActionController::TestRequest.new
  @response   = ActionController::TestResponse.new
  @invalid_user = user(:invalid_user)
  @valid_user = users(:valid_user)
  end

def test_login_success
  @valid_user.screen_name
end

When I run a test that tries to use the @valid_user variable I get the
following error.

NoMethodError: You have a nil object when you didn''t expect it!
The error occurred while evaluating nil.screen_name

It seems that this class isn''t storing the instance variables in
memory.

Any ideas.

Thanks in advance

Mitch
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On 6 Apr., 15:36, Mitchell Gould
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
> I have the following in my functional test file.
>
> class UserControllerTest < ActionController::TestCase
> fixtures :users
>
>   def setup
>     @controller = UserController.new
>   @request    = ActionController::TestRequest.new
>   @response   = ActionController::TestResponse.new
>   @invalid_user = user(:invalid_user)
>   @valid_user = users(:valid_user)
>   end
>
> def test_login_success
>   @valid_user.screen_name
> end
>
> When I run a test that tries to use the @valid_user variable I get the
> following error.
>
> NoMethodError: You have a nil object when you didn''t expect it!
> The error occurred while evaluating nil.screen_name
>
> It seems that this class isn''t storing the instance variables in
memory.
>
> Any ideas.
>
The above should work just fine, given that you have a user fixture
named ''valid_user''. Do you see something like this in
test/fixtures/
users.yaml?

valid_user:
  screen_name: xyz

--
Best regards,
David Knorr
http://twitter.com/rubyguy
> Thanks in advance
>
> Mitch
> --
> Posted viahttp://www.ruby-forum.com/.
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David Knorr wrote:
> On 6 Apr., 15:36, Mitchell Gould
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
> wrote:
>> � @valid_user = users(:valid_user)
>> The error occurred while evaluating nil.screen_name
>>
>> It seems that this class isn''t storing the instance variables
in memory.
>>
>> Any ideas.
>>
> 
> The above should work just fine, given that you have a user fixture
> named ''valid_user''. Do you see something like this in
test/fixtures/
> users.yaml?
> 
> valid_user:
>   screen_name: xyz
> 
> --
> Best regards,
> David Knorr
> http://twitter.com/rubyguy
HI David

This is my yaml

 valid_user:
   id: 1
   screen_name: millikan
   email: ram-hcDgGtZH8xNBDgjK7y7TUQ@public.gmane.org
   password: electron

Now here is the weird thing.

if I do the following in the actual test method



def test_login_success
@valid_user = users(:valid_user)
  @valid_user.screen_name
end

it works just fine.

Its like I can''t access instance variables that run in the setup. Why 
would that be?

For my units test I have a similar setup and it works no problem.
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Just found the answer


it''s worth noting that R2.0.2 subclasses ActionController::TestCase
for functional tests (i.e. UserControllerTest), not
ActiveSupport::TestCase. You need to explicitly change the skeleton
test files for (user|spec|etc)_controller_test.rb files to subclass
ActiveSupport::TestCase.


So I had to change the test file skeleton class definition to

ActiveSupport::TestCase

from

ActionController::TestCase

works like a charm.

Why don''t they fix this?

Mitch
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On 6 Apr., 17:18, Mitchell Gould
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
> Just found the answer
>
> it''s worth noting that R2.0.2 subclasses
ActionController::TestCase
> for functional tests (i.e. UserControllerTest), not
> ActiveSupport::TestCase. You need to explicitly change the skeleton
> test files for (user|spec|etc)_controller_test.rb files to subclass
> ActiveSupport::TestCase.
>
> So I had to change the test file skeleton class definition to
>
> ActiveSupport::TestCase
>
> from
>
> ActionController::TestCase
>
> works like a charm.
>
> Why don''t they fix this?
What do mean when saying "fix this". Did you run the rails:update rake
task?

--
Best regards,
David Knorr.
http://twitter.com/rubyguy
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David Knorr wrote:
> On 6 Apr., 17:18, Mitchell Gould
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
> wrote:
>> ActiveSupport::TestCase
>>
>> from
>>
>> ActionController::TestCase
>>
>> works like a charm.
>>
>> Why don''t they fix this?
> 
> What do mean when saying "fix this". Did you run the rails:update
rake
> task?
> 
> --
> Best regards,
> David Knorr.
> http://twitter.com/rubyguy
I did run rails:update rake.  And I updated rails.  But even now when I 
run script/generate controller someController I have to edit the test 
file so that it is changed from ActionController::Testcase to 
ActiveSupport::TestCase.

Should I update something else so I don''t have to do this everytime?
And
it does this only for the functionals not the unit test skeletons.

Mitch
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On 8 Apr., 04:04, Mitchell Gould
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
> David Knorr wrote:
> > On 6 Apr., 17:18, Mitchell Gould
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
> > wrote:
> >> ActiveSupport::TestCase
>
> >> from
>
> >> ActionController::TestCase
>
> >> works like a charm.
>
> >> Why don''t they fix this?
>
> > What do mean when saying "fix this". Did you run the
rails:update rake
> > task?
>
> > --
> > Best regards,
> > David Knorr.
> >http://twitter.com/rubyguy
>
> I did run rails:update rake.  And I updated rails.  But even now when I
> run script/generate controller someController I have to edit the test
> file so that it is changed from ActionController::Testcase to
> ActiveSupport::TestCase.
>
> Should I update something else so I don''t have to do this
everytime? And
> it does this only for the functionals not the unit test skeletons.
Did you upgrade to another version of Rails recently?

--
Best regards,
David Knorr
http://twitter.com/rubyguy
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David Knorr wrote:
> On 8 Apr., 04:04, Mitchell Gould
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
> wrote:
>>
>> I did run rails:update rake. �And I updated rails. �But even now when I
>> run script/generate controller someController I have to edit the test
>> file so that it is changed from ActionController::Testcase to
>> ActiveSupport::TestCase.
>>
>> Should I update something else so I don''t have to do this
everytime? And
>> it does this only for the functionals not the unit test skeletons.
> 
> Did you upgrade to another version of Rails recently?
> 
> --
> Best regards,
> David Knorr
> http://twitter.com/rubyguy
I am using rails 2.0.2. I have written the app with this. If I move up 
to another version my application does not work.

What do you suggest I do? How can I move my app to say 2.3.2 and have it 
still work?

Thanks

-- 
Posted via http://www.ruby-forum.com/.

Mitchell,

Sounds like you should maybe just bite the bullet and upgrade to 2.3.2
if that''s being an issue.

When you say "If I move up to another version [of Rails], my
application does not work", what do you mean? Can you provide specific
errors?


Best,
Milan

On Apr 22, 12:48 am, Mitchell Gould
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
> David Knorr wrote:
> > On 8 Apr., 04:04, Mitchell Gould
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
> > wrote:
>
> >> I did run rails:update rake. And I updated rails. But even now
when I
> >> run script/generate controller someController I have to edit the
test
> >> file so that it is changed from ActionController::Testcase to
> >> ActiveSupport::TestCase.
>
> >> Should I update something else so I don''t have to do this
everytime? And
> >> it does this only for the functionals not the unit test skeletons.
>
> > Did you upgrade to another version of Rails recently?
>
> > --
> > Best regards,
> > David Knorr
> >http://twitter.com/rubyguy
>
> I am using rails 2.0.2. I have written the app with this. If I move up
> to another version my application does not work.
>
> What do you suggest I do? How can I move my app to say 2.3.2 and have it
> still work?
>
> Thanks
>
> --
> Posted viahttp://www.ruby-forum.com/.

Milan Iliev wrote:
> Mitchell,
> 
> Sounds like you should maybe just bite the bullet and upgrade to 2.3.2
> if that''s being an issue.
> 
> When you say "If I move up to another version [of Rails], my
> application does not work", what do you mean? Can you provide specific
> errors?
> 
> 
> Best,
> Milan
> 
> On Apr 22, 12:48�am, Mitchell Gould
<rails-mailing-l...@andreas-s.net>
Just a quick reply.

Two things:

1. How do I move my app to 2.3.2?  Do I just change the configuration 
settings?
2. When I have done this in the past the application won''t start up 
meaning the server won''t launch.

Thanks for your reply

Mitch
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