How to start unit testing or TDD?

Question

I read a lot of posts that convinced me I should start writing unit test, I also started to use dependency injection (Unity) for the sake of easier mocking, but I\'m still n

Answer 1

If you are curious about unit testing the best way to learn it is try it. You will probably start writing integration tests at first, but that is fine. When they seem too difficult to maintain or too much work to write, read more about what kind of tests there are (unit, functional, integration) and try to learn the difference.

If you are interested in starting with TDD, Uncle Bob is a good source. Particalulary this.

More on unit testing

Ensure that you get consistent test results. Running the same test repeatedly should return the same results consistently.

The tests should not require configuration.

Testing order should not matter. This means partial test runs can work correctly. Also, if you keep this design philosophy in mind, it will likely aid in your test creation.

Remember that any testing is better than no testing. The difficulty can be found in writing good clean unit tests that promote ease of creation and maintenance. The more difficult the testing framework, the more opposition there will be to employing it. Testing is your friend.