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

[Glenn Gillen]

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
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