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Understanding The DevOps Continuous Integration Process
DevOps practices are best trusted for enhancing the enterprises software/application development process. DevOps underlying principles and strategies will also help the enterprises to stay competitive in this fast paced marketing & competitive world. The software development process in DevOps involves four different underlying strategies which include Continuous Integration, Continuous Testing, Continuous Delivery & Continuous Deployment.
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In this post, let’s work towards understanding the DevOps process of Continuous Integration & Continuous Testing.
DevOps Continuous Integration-
Continuous Integration in DevOps is a process in which developers need to continuously integrate their code with the source code repository. The major advantage of this process is that whenever the developers integrate, the entire mainline is built, & this creates an opportunity for the other teams to perform unit testing and run multiple code-quality tests.
This can be explained with a simple example. Let’s consider that there’s a project where four developers working. For suppose, if each developer integrates his code five times a day then this would make a total of twenty five integrations per day. This means that there will be twenty five builds of the mainline & twenty five sets of unit tests and the code quality checks can be simultaneously executed per day.
Benefit Of Continuous Integration-
As the integration process will be continuous till the completion of the development process, then with frequent tests & quality checks it will be easier to detect the defects sooner, rather than later. If this isn’t the case then if any errors arise then the entire lines of code needs should be restructured which would consume a lot of time. So, with Continuous Integration, If any errors are detected then instead of restructuring the entire code it can developers can simply rollback which may involve just a few hundred lines of code.
Once the integration is successfully built & if the code has passed all the tests & quality checks then it can move to the next pipeline called Continuous Testing.