[LRUG] How to test a Rails plugin gem against different versions of Rails?

[Mr Jaba]

Might not be quite what you're looking for, but I wandered into this the
other day:

http://github.com/tomas-stefano/infinity_test

Like autotest but it also checks your RVM config and will run tests using
all of the versions it defines in there. I haven't tried it myself yet but
looks interesting.



On 14 October 2010 10:25, Mark Evans <mark at new-bamboo.co.uk> wrote:

> I use bundler in one of my gems to do exactly the same (test against
> different versions of rails).
> You can have two different gemfiles, e.g. Gemfile.rails.2.3.8 and
> Gemfile.rails.3.0.0, and then use the BUNDLE_GEMFILE env to specify the
> gemfile to use, with bundle exec, for example
>
>     BUNDLE_GEMFILE=Gemfile.rails.2.3.8 bundle exec rake test
>
> Hope that helps
> Mark
>
>
> On 12 October 2010 13:45, Glenn Gillen <glenn at rubypond.com> wrote:
>
>> And then be sure to use "bundler exec" before the commands to make sure
>> you're running the expected version of rake.
>>
>> Or just make it easier on yourself and install bundler-exec (
>> http://github.com/gma/bundler-exec) as well.
>>
>> On 12/10/2010, at 1:31 PM, Anthony Eden wrote:
>>
>> Andy,
>>
>> I highly suggest using rvm for managing the current ruby version and gem
>> sets. It will save you *huge* amounts of time and generally is a pleasure to
>> use.
>>
>> -Anthony
>>
>> On Tue, Oct 12, 2010 at 2:29 PM, Andrew Stewart <
>> boss at airbladesoftware.com> wrote:
>>
>>> Hola El Rug,
>>>
>>> I would like to test my gem, which is a Rails plugin, against specific
>>> versions of Rails (e.g. 2.3.8 and 3.0.0).  Before I installed Rails 3 I
>>> could run `rake test` successfully.  Now, however, rake fails because it
>>> wants to activate different versions of actionpack:
>>>
>>> http://gist.github.com/622093
>>>
>>> You can reproduce this problem, if you have both Rails 3.0.0 and 2.3.8
>>> installed, like this:
>>>
>>>    $ git clone git://github.com/airblade/paper_trail.git
>>>    $ cd paper_trail
>>>    $ rake test
>>>
>>> What changes do I need to make to my gemspec/Rakefile/test_helper to be
>>> able to `rake test` against a specific version of Rails?  And should I be
>>> specifying my dependencies with Bundler instead?
>>>
>>> Here's the code itself: http://github.com/airblade/paper_trail
>>>
>>> Many thanks.
>>>
>>> Cheers,
>>>
>>> Andy Stewart
>>> -------
>>> http://airbladesoftware.com
>>> _______________________________________________
>>> Chat mailing list
>>> Chat at lists.lrug.org
>>> http://lists.lrug.org/listinfo.cgi/chat-lrug.org
>>>
>>
>>
>>
>> --
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>>
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>
>
> --
> Mark Evans
> New Bamboo
> mark at new-bamboo.co.uk
> Tel: +44 7828 182336
> Skype: mark-new-bamboo
>
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