Testing is an essential part of development, it is must when we develop any application. It helps to mitigate most of the bugs and performance issues before going to production. There are many types of testing involved in application development. These include, unit testing, integration testing and performance testing. They integrated into different stages of the environment deployment. Unit testing is integrated in the development stage.
The serverless handler should always be a thin layer that uses modules out of your code library. And modules should be well-covered with unit tests; then testing of the serverless application will be easy during the integration tests.
We should try to run unit tests and ...
