Testing with RSpec - A Quick Look Into Request Spec

When building applications with Test Driven Development(TDD) approach, it is a common practice for developers to write testing code to test different parts of the application individually such as unit test or as a whole like integration test. In the context of a Rails application with the MVC design pattern, the unit test is for testing the model(which is M in the MVC) and the integration test is for testing the combination of model, view, and controller(which is MVC in this case).