Hands-On Design Patterns with C# and .NET Core

Initial unit test definitions

The development team first transcribed the requirements into some basic unit tests. As nothing had been designed or written yet, these mostly take the form of noting what functionality should be validated. As the design and development progress, these tests will also evolve toward completion; for example, there is a requirement for adding inventory:

An add inventory command ("a", "addinventory") is available:

• The name parameter of type string.
• Add an entry into the database with the given name and a 0 quantity.

To capture this requirement, the development team created the following unit test to serve as a placeholder:

[TestMethod]private void AddInventoryCommand_Successful(){ // create an instance of the command ...