Add a failing spec for handling a race condition

The spec uses a hook method to simulate the insertion of an
acts_as_xapian_job in another process for the model.

Credit to: http://stackoverflow.com/questions/2017587/simulating-race-conditions-in-rspec-unit-tests

Conflicts:

    vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb

1 files changed, 6 insertions, 0 deletions

diff --git a/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb b/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb
index e3659b629..a4447371e 100644
--- a/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb
+++ b/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb
@@ -929,11 +929,17 @@ module ActsAsXapian
         def xapian_create_job(action, model, model_id)
             ActiveRecord::Base.transaction do
                 ActsAsXapianJob.delete_all([ "model = ? and model_id = ?", model, model_id])
+                xapian_before_create_job_hook(action, model, model_id)
                 ActsAsXapianJob.create!(:model => model,
                                         :model_id => model_id,
                                         :action => action)
             end
         end
+
+        # A hook method that can be used in tests to simulate e.g. an external process inserting a record
+        def xapian_before_create_job_hook(action, model, model_id)
+        end
+
      end
 
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