diff --git a/test/test_helper.rb b/test/test_helper.rb
index 156add2..2289f87 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -2,47 +2,62 @@ require "bundler/setup"
 Bundler.require(:default)
 require "minitest/autorun"
 require "minitest/pride"
-require "active_record"
 
 ENV["RACK_ENV"] = "test"
 
-# for debugging
-# ActiveRecord::Base.logger = Logger.new(STDOUT)
-
-# rails does this in activerecord/lib/active_record/railtie.rb
-ActiveRecord::Base.default_timezone = :utc
-ActiveRecord::Base.time_zone_aware_attributes = true
-
-# migrations
-ActiveRecord::Base.establish_connection :adapter => "postgresql", :database => "searchkick_test"
-
-ActiveRecord::Migration.create_table :products, :force => true do |t|
-  t.string :name
-  t.integer :store_id
-  t.boolean :in_stock
-  t.boolean :backordered
-  t.integer :orders_count
-  t.string :color
-  t.timestamps
-end
-
-ActiveRecord::Migration.create_table :store, :force => true do |t|
-end
-
 File.delete("elasticsearch.log") if File.exists?("elasticsearch.log")
 Tire.configure do
   logger "elasticsearch.log", :level => "debug"
   pretty true
 end
 
-# Mongoid.configure do |config|
-#   config.connect_to "searchkick_test"
-# end
+if ENV["MONGOID"]
+  Mongoid.configure do |config|
+    config.connect_to "searchkick_test"
+  end
 
-class Product < ActiveRecord::Base
-  # include Mongoid::Document
-  # include Mongoid::Attributes::Dynamic
+  class Product
+    include Mongoid::Document
+    # include Mongoid::Attributes::Dynamic
+  end
 
+  class Store
+    include Mongoid::Document
+  end
+else
+  require "active_record"
+
+  # for debugging
+  # ActiveRecord::Base.logger = Logger.new(STDOUT)
+
+  # rails does this in activerecord/lib/active_record/railtie.rb
+  ActiveRecord::Base.default_timezone = :utc
+  ActiveRecord::Base.time_zone_aware_attributes = true
+
+  # migrations
+  ActiveRecord::Base.establish_connection :adapter => "postgresql", :database => "searchkick_test"
+
+  ActiveRecord::Migration.create_table :products, :force => true do |t|
+    t.string :name
+    t.integer :store_id
+    t.boolean :in_stock
+    t.boolean :backordered
+    t.integer :orders_count
+    t.string :color
+    t.timestamps
+  end
+
+  ActiveRecord::Migration.create_table :store, :force => true do |t|
+  end
+
+  class Product < ActiveRecord::Base
+  end
+
+  class Store < ActiveRecord::Base
+  end
+end
+
+class Product
   belongs_to :store
 
   searchkick \
@@ -70,10 +85,6 @@ class Product < ActiveRecord::Base
   end
 end
 
-class Store < ActiveRecord::Base
-  # include Mongoid::Document
-end
-
 Product.tire.index.delete if Product.tire.index.exists?
 Product.reindex
 Product.reindex # run twice for both index paths
--
libgit2 0.21.0