Considering Automated Testing a mandate for DevOps

automated-testing-for-devops

The word DevOps had been formed by combining the development and operations functions. It is not a technology, rather an IT culture. It emphasizes ways in which development, operations and testing can collaborate more effectively. DevOps can be defined by four key activities:

  • Collaborative Development
  • Continuous Integration and Continuous Testing
  • Continuous Release and Deployment
  • Continuous Monitoring

DevOps, to some extent, reduces the need for testing and testing resources. However, this does not imply that DevOps does not require testing. What really happens in  DevOps Testing is that it brings testing into the mainstream of development process and avoids the problems created by having the testing left to the end of the cycle which causes release delays and quality issues.

Before code integration, the developers need to test their code. One of the most integral parts of the DevOps process is the regular release or the continuous deployment of the working software. The only way to support this rapid cadence of releases is through automated testing. Faster release cycles put a significant pressure on manual testing. This problem can be resolved through automated testing of the critical aspects.

Continuous testing is the first step in the direction towards DevOps Testing. It is a metaphor for a continuous feedback mechanism that helps to drive the software delivery through the SDLC process. Establishing an ecosystem for Continuous Testing involves the following steps

  • Shifting the scripts for automated testing to an enterprise version control tool and establish a common source of automation scripts.
  • Integrating the automation suite with a deployment tool to enable centralized execution and reporting.
  • Classifying test automation into multiple layers of tests. This enables faster feedback at each check point

Automated Testing, without doubt, is the most important parts of the CI/CD pipeline. Without proper automated testing, there can be no Continuous Integration/Continuous Deployment pipeline, which is the most important essence of DevOps Testing. The multiple layers of the DevOps Testing suite can be summarized as follows:

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