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Mocks, stubs & seams

Avatar for ngarneau ngarneau
January 15, 2014
Programming
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Mocks, stubs & seams

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

Avatar for ngarneau

ngarneau

January 15, 2014
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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