selective paper_trail in RSpec

paper_trail.rb

# spec/support/paper_trail.rb

RSpec.configure do |config|
  config.before(:each) do
    PaperTrail.enabled = false
  end

  config.before(:each, :versioning => true) do
    PaperTrail.enabled = true
  end
end

study_audit_spec.rb

# spec/models/study_audit.rb

require 'spec_helper'

describe StudyAudit, :versioning => true do
  it 'starts when a new study is created' do
    study = Factory.create(:study)
    audit = StudyAudit.new(study)
    audit.versions.size.should == 1
    audit.versions[0].event.should == 'create'
  end

  # ...
end

Thanks for sharing!