... Thus automated testing mistake proofs the process. Now the mistake proofing is only as good as the test that are added. Software development is complex and if the code has an error (based on the business rules) that is not tested then the code can be deployed to production and affect customers. Automated software testing tools are a huge help in preventing many errors from affecting customers.
It seems pretty obvious but until the widespread adoption of agile software development techniques and frameworks that make it easy to adopt automated testing (like Ruby on Rails) this sensible process improvement tool was used far less often than you would think.
continue reading: Improving Software Development with Automated Tests
