[MODEL] Fixed the deprecation messages for raise_in_transactional_callbacks

See: http://edgeguides.rubyonrails.org/upgrading_ruby_on_rails.html#error-handling-in-transaction-callbacks

Author: karmi

elasticsearch-model/test/integration/active_record_associations_parent_child.rb

@@ -4,6 +4,8 @@
 # Needed for ActiveRecord 3.x ?
 ActiveRecord::Base.establish_connection( :adapter => 'sqlite3', :database => ":memory:" ) unless ActiveRecord::Base.connected?
 
+::ActiveRecord::Base.raise_in_transactional_callbacks = true if ::ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks) && ::ActiveRecord::VERSION::MAJOR.to_s < '5'
+
 class Question < ActiveRecord::Base
   include Elasticsearch::Model
 

elasticsearch-model/test/integration/active_record_associations_test.rb

@@ -4,6 +4,8 @@
 # Needed for ActiveRecord 3.x ?
 ActiveRecord::Base.establish_connection( :adapter => 'sqlite3', :database => ":memory:" ) unless ActiveRecord::Base.connected?
 
+::ActiveRecord::Base.raise_in_transactional_callbacks = true if ::ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks) && ::ActiveRecord::VERSION::MAJOR.to_s < '5'
+
 module Elasticsearch
   module Model
     class ActiveRecordAssociationsIntegrationTest < Elasticsearch::Test::IntegrationTestCase

elasticsearch-model/test/integration/active_record_basic_test.rb

@@ -6,6 +6,8 @@
 # Needed for ActiveRecord 3.x ?
 ActiveRecord::Base.establish_connection( :adapter => 'sqlite3', :database => ":memory:" ) unless ActiveRecord::Base.connected?
 
+::ActiveRecord::Base.raise_in_transactional_callbacks = true if ::ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks) && ::ActiveRecord::VERSION::MAJOR.to_s < '5'
+
 module Elasticsearch
   module Model
     class ActiveRecordBasicIntegrationTest < Elasticsearch::Test::IntegrationTestCase

elasticsearch-model/test/integration/active_record_custom_serialization_test.rb

@@ -4,6 +4,8 @@
 # Needed for ActiveRecord 3.x ?
 ActiveRecord::Base.establish_connection( :adapter => 'sqlite3', :database => ":memory:" ) unless ActiveRecord::Base.connected?
 
+::ActiveRecord::Base.raise_in_transactional_callbacks = true if ::ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks) && ::ActiveRecord::VERSION::MAJOR.to_s < '5'
+
 module Elasticsearch
   module Model
     class ActiveRecordCustomSerializationTest < Elasticsearch::Test::IntegrationTestCase

elasticsearch-model/test/integration/active_record_import_test.rb

@@ -4,6 +4,8 @@
 # Needed for ActiveRecord 3.x ?
 ActiveRecord::Base.establish_connection( :adapter => 'sqlite3', :database => ":memory:" ) unless ActiveRecord::Base.connected?
 
+::ActiveRecord::Base.raise_in_transactional_callbacks = true if ::ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks) && ::ActiveRecord::VERSION::MAJOR.to_s < '5'
+
 module Elasticsearch
   module Model
     class ActiveRecordImportIntegrationTest < Elasticsearch::Test::IntegrationTestCase

elasticsearch-model/test/integration/active_record_namespaced_model_test.rb

@@ -4,6 +4,8 @@
 # Needed for ActiveRecord 3.x ?
 ActiveRecord::Base.establish_connection( :adapter => 'sqlite3', :database => ":memory:" ) unless ActiveRecord::Base.connected?
 
+::ActiveRecord::Base.raise_in_transactional_callbacks = true if ::ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks) && ::ActiveRecord::VERSION::MAJOR.to_s < '5'
+
 module Elasticsearch
   module Model
     class ActiveRecordNamespacedModelIntegrationTest < Elasticsearch::Test::IntegrationTestCase

elasticsearch-model/test/integration/active_record_pagination_test.rb

@@ -4,6 +4,8 @@
 # Needed for ActiveRecord 3.x ?
 ActiveRecord::Base.establish_connection( :adapter => 'sqlite3', :database => ":memory:" ) unless ActiveRecord::Base.connected?
 
+::ActiveRecord::Base.raise_in_transactional_callbacks = true if ::ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks) && ::ActiveRecord::VERSION::MAJOR.to_s < '5'
+
 module Elasticsearch
   module Model
     class ActiveRecordPaginationTest < Elasticsearch::Test::IntegrationTestCase

elasticsearch-model/test/integration/dynamic_index_name_test.rb

@@ -4,6 +4,8 @@
 # Needed for ActiveRecord 3.x ?
 ActiveRecord::Base.establish_connection( :adapter => 'sqlite3', :database => ":memory:" ) unless ActiveRecord::Base.connected?
 
+::ActiveRecord::Base.raise_in_transactional_callbacks = true if ::ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks) && ::ActiveRecord::VERSION::MAJOR.to_s < '5'
+
 module Elasticsearch
   module Model
     class DynamicIndexNameTest < Elasticsearch::Test::IntegrationTestCase

elasticsearch-model/test/integration/multiple_models_test.rb

@@ -4,6 +4,8 @@
 # Needed for ActiveRecord 3.x ?
 ActiveRecord::Base.establish_connection( :adapter => 'sqlite3', :database => ":memory:" ) unless ActiveRecord::Base.connected?
 
+::ActiveRecord::Base.raise_in_transactional_callbacks = true if ::ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks) && ::ActiveRecord::VERSION::MAJOR.to_s < '5'
+
 Mongo.setup!
 
 module Elasticsearch