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 # Create models class User < ActiveRecord::Base; end class SubUser < User; end end