mock de la muertefree thoughts about testing

Q?

Why am I good at testing “Game of Life”but clueless with a legacy class?

A!Because of TDD!

TDD! TDD!

(yes, ok. enough?)

So. What’s a Mock?

“ Mocks are

NOT . Stubs ”

M. Fowler

Ok. What’s a Stub?

Stub is controlled fake

Mock is a verified stub

Roy Osherove

Fake? What’s a Fake?

test doubledummy object

test stub test spy mock object fake object

temporary test stub

G. Meszaros

WTF?

Mock: - Injected in SUT ( fixture )- Partecipates in pass/fail decision ( verify )

Unit Test should be

F.I.R.S.T(Bob Martin, Clean Code)

Mind map

http://tinyurl.com/cdsmock