External Data
^^^^^
**Definition:**

* A test that needs external data (fixtures, files, helper classes, etc.) in order to run can be hard to understand as the reader must file hop to get a clear picture.

**Also Known As:**

* Mystery Guest

**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

* `Smells of Testing (signs your tests are bad) <https://jakescruggs.blogspot.com/2009/04/smells-of-testing-signs-your-tests-are.html>`_ :octicon:`sync;1em`