Understand Dependency Injection – Part 3
Admin In parts 1 and 2 of this series on dependency injection I showed how dependency injection is implemented, and why it is a powerful technique. The motivating examples and coding…
Understand Dependency Injection – Part 2
Part 1 covered the structural elements dependency injection and the style in which you write code using dependency injection. In this part, we’ll talk about additional architectural features that are…
Understand Dependency Injection – Part 1
Dependency injection (DI) is a key principle of clean code. It is also often misrepresented and misunderstood, and thus often disregarded. So, let us begin with the definition of dependency…
Grow unit tests organically
Strict test-first development suggests that when you define a new function, you proceed as follows: Define the function signature. Define test cases for the function. Implement the function until all…