Testing an ASP.NET Core MVC Protobuf API using HTTPClient and xUnit

Protocol Buffers is the name of the binary serialization format used by Google for much of their data communications. Designed to be small in size and cheap to process, both at the client and server platform independent, this article shows how to test an ASP.NET Core MVC API using xUnit and a HTTPClient client using Protobuf for the content formatters.