The ASP.NET Core MVC development paradigm breaks a web application down into three distinct parts—the Model, View, and Controller, as per the tenets of the MVC architectural pattern. The Model-View-Controller (MVC) pattern facilitates the creation of web applications that are easy to test and maintain, and have a clear separation of concerns and boundaries.
The MVC pattern provides a clear separation between presentation logic and business logic, with easy scalability and maintainability. It was originally designed for use with desktop applications but has since gained much use and popularity with web applications.
The ASP.NET Core MVC projects can be tested in the same manner that you test other types of .NET Core projects. ASP.NET Core supports the unit testing of controller classes, razor pages, page models, business logic...