Mocks, stubs & seams

OpenCode talk about unit testing and advanced techniques using mocks stubs & seams

Transcript

1. mocks, stubs & seams Nicolas Garneau
2. stubs Using stubs to break dependencies
3. seams we are used to it! dependency!
4. seams we can create a seam in the method call
5. seams or via a setter
6. stubs A stub is not like a mock but it looks like
7. mocks Use mock to test interaction between objects
8. mocks The Observer Pattern Observable «interface» attachObserver() detachObserver() notify() ConcreteObservable setState() getState() Observer «interface» update() ConcreteObserver update()
9. mocks mock it! expect the call only once attach it Hell yeah that’s a seam! acts as a test