Rails - Dec 2010 - test a non active_record class in models directory in rails 3?

hi
i have a non active_record class in models dir which is like following:

class BuildSurvey

end

i want to test this class,so manually defined a test file which is like
following

require ''test_helper''
require ''build_survey''
class BuildSurveyTest < ActiveSupport::TestCase

end

but when i ran test,i got error like this:

  undefined method ''<'' nil:NilClass

i want to know how to test a non active_record class in models directory
in rails 3.can you help me?

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On Dec 4, 4:33 pm, Guo Yangguang
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org>
wrote:
> hi
> i have a non active_record class in models dir which is like following:
>
> class BuildSurvey
>
> end
>
> i want to test this class,so manually defined a test file which is like
> following
>
> require ''test_helper''
> require ''build_survey''
> class BuildSurveyTest < ActiveSupport::TestCase
>
> end
>
> but when i ran test,i got error like this:
>
>   undefined method ''<'' nil:NilClass
>
> i want to know how to test a non active_record class in models directory
> in rails 3.can you help me?
You don''t have to do anything beyond what you''ve shown (the
require
build_survey is unnecessary)
You''re going to have  to show a little more (eg what does the
backtrace for that error look like?)

Fred
>
> --
> Posted viahttp://www.ruby-forum.com/.
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Frederick Cheung wrote in post #966198:
> On Dec 4, 4:33pm, Guo Yangguang
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> wrote:
>> require ''test_helper''
>> in rails 3.can you help me?
> You don''t have to do anything beyond what you''ve shown
(the require
> build_survey is unnecessary)
> You''re going to have  to show a little more (eg what does the
> backtrace for that error look like?)
>
> Fred

hi Fred,you are right,i made a mistake when converting a str to 
date.Thank you.

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