Puppet users - Apr 2013 - testing custom types?

I''m having scads of fun with custom resource types. But mine are
getting
complicated enough that not having automated tests for them is starting
to seem really foolish. But the latest things I''ve seen about that
issue
are from three years ago (<https://github.com/mikepea/puppet-git>,
<http://projects.puppetlabs.com/issues/3138>). There''s a lot
written
about puppet-rspec, but that''s for testing your manifests, not for
testing your custom types. What am I missing? 

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On 16/04/13 20:42, Jennings, Jared L CTR USAF AFMC 96 SK/CCI
wrote:
> I''m having scads of fun with custom resource types. But mine are
getting
> complicated enough that not having automated tests for them is starting
> to seem really foolish. But the latest things I''ve seen about that
issue
> are from three years ago (<https://github.com/mikepea/puppet-git>,
> <http://projects.puppetlabs.com/issues/3138>). There''s a lot
written
> about puppet-rspec, but that''s for testing your manifests, not for
> testing your custom types. What am I missing? 
You can do it just with plain rspec and puppetlabs_spec_helper (which
initialises Puppet for you).  There some instructions on setting up the
spec_helper and Rakefile here:

https://github.com/puppetlabs/puppetlabs_spec_helper

I have a basic spec_helper based on the pl_spec_helper example:
https://github.com/hercules-team/augeasproviders/blob/master/spec/spec_helper.rb

The only gotcha I''ve found are a couple of versions of Puppet (2.7.20+
and 3.0.x) which don''t load custom types from lib/ in the module, so
there''s a workaround in the above file.

Here''s an example of a simple spec that tests a parameter munge block
in
a type:

https://github.com/hercules-team/augeasproviders/blob/master/spec/unit/puppet/shellvar_type_spec.rb
https://github.com/hercules-team/augeasproviders/blob/master/lib/puppet/type/shellvar.rb
(the type itself)

You''ll find other files in the same directory which test the providers,
though since it''s fairly specialised they''re not great
examples.  I''d
recommend working from the huge number of examples in the Puppet source
tree itself:

https://github.com/puppetlabs/puppet/tree/master/spec/unit/type
https://github.com/puppetlabs/puppet/tree/master/spec/unit/provider

Hope that helps.

-- 
Dominic Cleal
Red Hat Engineering

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> The only gotcha I''ve found are a couple of versions of Puppet
(2.7.20+
> and 3.0.x) which don''t load custom types from lib/ in the module,
so
> there''s a workaround in the above file.
This seemingly innocuous statement has cleared up for me the problem of
being unable to require, from my custom types and providers, sundry Ruby
modules I wrote. I thought Puppet wouldn''t let me use my own Ruby
modules at all, and now to my great relief I see I was quite wrong.

The other things you''ve said about the spec helper are also very
helpful
and complete. Thanks very much!

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