rails-dev-box (runs_oracle branch) is one of the good development and test environments for Oracle enhanced adapter. However, there are some problems need addressed:
Running Oracle Database Express Edition 11g R2, it is convenient one but not the latest 12c
Today rails-dev-box (runs_oracle_on_docker branch) is available.
Enhancements are below:
Running Oracle Database Enterprise Edition 12c R1
Created on (almost) the plain vanilla rails-dev-box
Oracle Database is running on Docker on Vagrant guest
Thanks to Oracle Database on Docker, users no need to execute
runInstaller to install Oracle database.
Interested? Please read How To Build The Virtual Machine and give it a try.
Please note: Due to ActiveRecord::StatementInvalid: OCIError: ORA-12801: error signaled in parallel query server P000, Oracle enhanced adapter requires "COMBO OF OJVM COMPONENT 184.108.40.206.161018 DBPSU + DBPSU 220.127.116.11.161018 (OCT2016)", which requires support contract with Oracle.