Lab: Mock Objects | TDD and BDD in Ruby

A simple handwritten mock example · The Art of Unit Testing, 2nd ed., ch. 4

The 2nd edition's handwritten mock example; the lab's first exercise also uses only hand-written mocks, for a string calculator that notifies a slow logger.

Using a mock and a stub together · The Art of Unit Testing, 2nd ed., ch. 4

Section on using a mock and a stub together, as in the lab's failed-logging scenarios, where the logger raises an error and the web service must be notified.

Defining isolation frameworks · The Art of Unit Testing, 3rd ed., ch. 5

Section defining isolation frameworks; the lab's later exercises repeat the work with Bogus instead of hand-written mocks.

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