test_helper.rb

ENV['RAILS_ENV'] = 'test'

require 'active_record'
require 'minitest/autorun'
require 'active_record_replica'
require 'awesome_print'
require 'logger'
require 'erb'

l                                 = Logger.new('test.log')
l.level                           = ::Logger::DEBUG
ActiveRecord::Base.logger         = l
ActiveRecord::Base.configurations = YAML::load(ERB.new(IO.read('test/database.yml')).result)

# Define Schema in second database (replica)
# Note: This is not be required when the primary database is being replicated to the replica db
ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations['test']['replica'])

# Create table users in database active_record_replica_test
ActiveRecord::Schema.define :version => 0 do
  create_table :users, :force => true do |t|
    t.string :name
    t.string :address
  end
end

# Define Schema in primary database
ActiveRecord::Base.establish_connection(:test)

# Create table users in database active_record_replica_test
ActiveRecord::Schema.define :version => 0 do
  create_table :users, :force => true do |t|
    t.string :name
    t.string :address
  end
end

# AR Model
class User < ActiveRecord::Base
end

# Install ActiveRecord replica. Done automatically by railtie in a Rails environment
# Also tell it to use the test environment since Rails.env is not available
ActiveRecordReplica.install!(nil, 'test')