Some Tire setup tips for ElasticSearch

config-initializers-elasticsearch.rb

# Use a prefix for the index names that Tire uses so that the test suite doesn't
# stomp on dev data and you can work on multiple apps with ES, but keep tidy
# unadorned names for production.
unless Rails.env.production?
  Tire::Model::Search.index_prefix("#{Rails.application.class.parent_name.downcase}_#{Rails.env}")
end

spec-support-elasticsearch.rb

RSpec.configure do |config|
  # You may need a different approach for a different data store, using
  # Tire's persistence mixin to use ElasticSearch as an ORM, etc.
  ES_INDEXED_MODELS = ActiveRecord::Base.descendants.select do |klass|
    klass.respond_to? :tire
  end

  config.before(:suite) do
    ES_INDEXED_MODELS.each do |klass|
      klass.tire.index.delete
      klass.create_elasticsearch_index
    end
  end

  # Here's an idea for using memory store for indexes in test env if this proves
  # to be appreciably slow:
  #
  #   http://bitsandbit.es/post/11295134047/unit-testing-with-tire-and-elastic-search
  config.before(elasticsearch: true) do
    ES_INDEXED_MODELS.each do |klass|
      klass.tire.index.delete
      klass.create_elasticsearch_index
    end
  end
end