Mocking What You Don’T Own
^^^^^
**Definition:**

* When mocking an external API the test cannot be used to drive the design, the API belongs to someone else ; this third party can and will change the signature and behaviour of the API.


**References:**

.. admonition:: Quality attributes

    * :octicon:`file-code;1em` -  Code Example
    * :octicon:`comment-discussion;1em` -  Cause and Effect
    * :octicon:`graph;1em` -  Frequency
    * :octicon:`sync;1em` -  Refactoring

* `Anti-patterns of automated testing <https://medium.com/swlh/anti-patterns-of-automated-software-testing-b396283a4cb6>`_
* `How to write good tests <https://github.com/mockito/mockito/wiki/How-to-write-good-tests>`_ :octicon:`sync;1em`