In This post we will talk about What are the key difference between unit, integration and functional testing?
A unit tests a small isolated piece of code such as a method. It doesn’t interact with any other systems such as a database or another application.
An integration test tests how your code plays with other systems, such as a database, a cache or a third-party application.
A functional test is the testing of the complete functionality of an application. This may involve the use of an automated tool to carry out more complex user interactions with your system. It tests certain flows/use cases of your application.
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