Differential D89 Diff 199 source/contributor-guide/test-driven-development.rst

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				.. _contributor-guide-test-driven-development:

				=======================
				Test-Driven Development
				=======================

				Test-driven development is a process in the
				:ref:`contributor-guide-phases-construction`.

				The process of development driven by testing can be transcribed as follows:

				#. You get handed a set of clear requirements -- mostly in the form of user
				stories you can verify, and documentation on the design -- architecture and
				mockups.

				#. You write the tests that verify those requirements are implemented.

				#. You write the code that makes the tests succeed.