[rspec-users] Rails 3 / RSpec 2 use_transactional_fixtures and after_commit

[Michael Guterl]

We're migrating a Rails 2.3.x application to Rails 3 and RSpec 2.x.
In Rails 2.3.x we were using
https://github.com/freelancing-god/after_commit to provide
after_commit functionality (now provided by Rails 3).

The plugin version of after_commit came with some helpers to make
testing with `use_transactional_fixtures = true` work.

From: https://github.com/freelancing-god/after_commit

"Keep in mind that transactions are finicky at best in tests, and so
there’s a helper module to make after_commit play nicely in your
testing context. You’ll need to add these two lines to your spec/test
helper:"

ActiveRecord::Base.send(:include, AfterCommit::AfterSavepoint)
ActiveRecord::Base.include_after_savepoint_extensions

Anyone else ran into this?

Best,
Michael Guterl
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[Kurt]

We're just running into it now, but we're using after_commit in Rails 3 for the first time.  The callback appears not to fire in our specs -- I noticed your posting but have not had luck getting the gem to load.  Bundler 1.0.7 requires the gem, and it generates this:

/Users/kurtsnyder/.rvm/gems/ree-1.8.7-2010.02@rails3/gems/after_commit-1.0.7/lib/after_commit/active_record.rb:15:in `include_after_commit_extensions': undefined method `subclasses_of' for Object:Class (NoMethodError)
    from /Users/kurtsnyder/.rvm/gems/ree-1.8.7-2010.02@rails3/gems/after_commit-1.0.7/lib/after_commit.rb:81

Did you add these two lines to your spec_helper.rb file or somewhere else?

ActiveRecord::Base.send(:include, AfterCommit::AfterSavepoint)
ActiveRecord::Base.include_after_savepoint_extensions

I'd be interested in helping to get this to work, but not sure where to start as we're new to after_commit.

[Michael Guterl]

Hi Kurt,

after_commit is built-in to Rails 3, so you don't need the gem. Rails
3 does not include any type of AfterSavepoint helper for running with
transactional fixtures turned on. That is the piece that needs to be
ported over to Rails 3.

[Kurt]

Thanks -- that confirms the results of our experiments.

[Mat B.]

Michael Guterl wrote in post #980563:

> Hi Kurt,
>
> On Tue, Feb 8, 2011 at 8:32 PM, Kurt <k...@cissor.com> wrote:
>>
>> Did you add these two lines to your spec_helper.rb file or somewhere else?
>>
>> ActiveRecord::Base.send(:include, AfterCommit::AfterSavepoint)
>> ActiveRecord::Base.include_after_savepoint_extensions
>>
>> I'd be interested in helping to get this to work, but not sure where to
>> start as we're new to after_commit.
>>
>
> after_commit is built-in to Rails 3, so you don't need the gem. Rails
> 3 does not include any type of AfterSavepoint helper for running with
> transactional fixtures turned on. That is the piece that needs to be
> ported over to Rails 3.
>
> Best,
> Michael Guterl

Hi guys,

Just wanted to let you know that I had the same problem and ended up
writing a monkey-patch for it:

http://outofti.me/post/4777884779/test-after-commit-hooks-with-transactional-fixtures

Pretty straightforward, fairly clean as monkey patches go, if I may.

Mat

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