If you're coding Azure Functions in Visual Studio 2017 to work with Azure Storage, one tool that can assist when running functions locally is the Microsoft Azure Storage Emulator, as shown in this ...

Two cloud development services -- Azure Functions and Azure App Service -- are now available on Azure Stack, which brings cloud functionality to on-premises, hybrid implementations.

The tutorial is clear, stepping through building and testing an Azure function, using both the built-in Azure testing tools and sending a request via Curl from the desktop.