Modern C++ Programming with Test-Driven Development

5.2 Dependency Challenges

Objects often must collaborate with other objects in order to get their work done. An object tells another to do something or asks it for information. If an object ​A​ depends upon a collaborator object ​B​ in order to accomplish its work, ​A​ is ​ dependent upon​  ​B​.

Story: Place Description Service

As a programmer on map-based applications, I want a service that returns a one-line description of the named place nearest a given location (latitude and longitude).

An important part of building the Place Description Service involves calling an external API that takes a location and returns place data. I found an open, free Representational State Transfer (REST) service that returns the place data in JSON format, given ...