In the previous chapters, you learned how to develop Azure Functions and where they are useful, and looked at validating the functionality of those functions.

In this chapter, we will start looking at ways of testing different Azure Functions. This includes, for example, running tests of HTTP trigger functions using Postman and using Microsoft Storage Explorer to test Azure Blob triggers, Queue triggers, and other storage-service-related triggers. You will also learn how to perform a simple load test on an HTTP trigger, to help you understand how the serverless architecture works by provisioning the instances in the backend, without developers needing to worry about the scaling settings on different factors. The Azure Function runtime will automatically take care of scaling the instances.

You will also learn how to set up a test that checks the availability of our...