Exceptions are a core aspect of programming, and a way to signal when something goes wrong with a program. An exception could result from a simple error, or your program might crash because of underlying constraints. Exceptions are not necessarily bad, though — they are fundamental to any working application.
ReadA well-written test suite is a big part of any successful application. But let's say you rely on an external dependency for some parts of your app (for example, an external API for fetching user information). It then becomes important to mock that dependency in the test suite to prevent external API calls during testing or to test specific behavior.
ReadIn this post we will discuss about a very high level overview of implementing a long running connection between two services with the use of WebSocket and then writing unit tests for the functionality.
ReadMonitor all emails being sent by your app and retry based on WebHook notifications about failures.
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