Test Automation For Mainframe Applications
summary
z/OS can run on Intel Linux via RD&T so teams instantiate disposable zOS images, deploy data, run tests and tear them down without MIPS charges; unit testing with zUnit, interface testing and virtual services replace months of manual QA. Case studies show one bank cuts development time by over 90% and time to market by 40% and another team spins up a full zOS test system in 40 minutes. VisaNet stays up 19 years and Walmart’s z‑based cache serves trillions of transactions.
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chapters (7)
- 0:00Start
- 0:06ROSALIND RADCLIFFE IBM, DISTINGUISHED ENGINEER, CHIEF ARCHITECT FOR DEVOPS & CLM
- 5:58works why change it • No standard continuous integration procedures • Focus on separation of changes not early integration • Too costly to do automated testing • Shared environments
- 8:45No MIPS charges • Create golden image • Dynamically deploy z/OS image • Automated deploy of application updates and data • Used for development and automated test runs
- 17:25refactoring • Begin to break up monolithic programs • Create callable services
- 19:25to end application performance • Examine the individual parts of the application to determine areas for improvement • Use the same monitoring tools as in production to configure monitoring thresholds while in development
- 20:18modules • Build automated tests to test these modules and update with the latest compiler technology, if required • Understand the most common issues with deployments, partner to reduce manual intervention, and improve process
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