Continuous testing means all your tests are executing all the time, providing continuous feedback into the quality and health of your applications. In order to achieve continuous testing, you must first adopt the right test automation strategy. Understanding how to bring in all different types of test automation practices as efficiently as possible enables you to get started down the path of continuous testing.

Pretty much everything you hear about DevOps mentions “the pipeline.” Continuous delivery is not really about the pipeline, however. Continuous delivery is about two things: testing strategy and branching strategy. The pipeline is important; it is an integral part of DevOps. However, the central element is the practice of testing continually using automated tests.

Writing changeable code makes it easier and more cost-effective to add features to existing software. Writing changeable code doesn’t take longer, but it does require paying attention to certain things when building a system. It's important to have a good suite of unit tests that support refactoring code when needed, and test-driven development helps you create independently testable code.

When you have hundreds of applications performing various functions across several environments, it's tough to push all the code when it needs to be. Here are some steps to help your own team develop the internal tooling it requires to deploy thousands of applications if needed, all in a reliable, efficient manner.