When to use Dependency Injection

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Two words, unit testing.

One of the most compelling reasons for DI is to allow easier unit testing without having to hit a database and worry about setting up ‘test’ data.

More Related Contents:

  1. Ioc/DI – Why do I have to reference all layers/assemblies in application’s entry point?
  2. Is there a pattern for initializing objects created via a DI container
  3. Why not use an IoC container to resolve dependencies for entities/business objects?
  4. Why do I need an IoC container as opposed to straightforward DI code? [closed]
  5. What is a composition root in the context of dependency injection?
  6. Why does one use dependency injection?
  7. Dependency Injection vs Factory Pattern
  8. Inversion of Control vs Dependency Injection
  9. Inversion of Control < Dependency Injection [closed]
  10. Dependency injection through constructors or property setters?
  11. Avoiding all DI antipatterns for types requiring asynchronous initialization
  12. When to use PerThreadLifetimeManager?
  13. Comparing Castle Windsor, Unity and StructureMap
  14. When are .NET Core dependency injected instances disposed?
  15. How to extend a component with dependency injection?
  16. Meaning of bean discovery mode annotated in CDI 1.1
  17. Property Injection in ASP.NET Core
  18. Dagger @Reusable scope vs @Singleton
  19. What is the purpose of the getter methods in Components in Dagger 2?
  20. MEF (Managed Extensibility Framework) vs IoC/DI
  21. ASP.Net Core Call a controller from another controller
  22. Passing constructor arguments when using StructureMap
  23. Net Core Dependency Injection for Non-Controller
  24. Resolving HttpControllerContext with Castle Windsor
  25. How do I handle classes with static methods with Ninject?
  26. Windsor castle Injecting properties of constructed object
  27. Is IDependencyResolver an anti-pattern?
  28. Null User on HttpContext obtained from StructureMap
  29. What are the benefits of dependency injection containers?
  30. How to use dependency injection in WinForms

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