if ExtVerifier.has_rails?
  # Required to use the column support
  module Rails
    def self.env
      {}
    end
  end

  # Establish connection to in-memory SQLite DB
  ActiveRecord::Base.establish_connection adapter: 'sqlite3', database: ':memory:'

  # Create the users table
  ActiveRecord::Migration.verbose = false
  ActiveRecord::Migration.create_table :users do |t|
    t.string :name
    t.integer :rank
    t.boolean :admin
    t.datetime :created_at
  end

  ActiveRecord::Migration.create_table :emails do |t|
    t.references :user
    t.string :email_address
  end

  # Create models
  class User < ActiveRecord::Base; has_many :emails; end
  class SubUser < User; end
  class Email < ActiveRecord::Base; belongs_to :user; end
end