xp.md

XP

Régles de simplicité

A consulter ici

The Four Commandments

• Pass all tests
• Clear, Expressive & consistent
• Duplicate no behavior or configuration
• Minimal methods, classes & modules

Simple code:

1. Runs all the tests.
2. Expresses every idea that we need to express.
3. Says everything OnceAndOnlyOnce.
4. Has no superfluous parts.

Wiki pages for each of the above, respectively:

1. UnitTestsTellYouWhenYoureDone, ...
2. SelfDocumentingCode,...
3. OnceAndOnlyOnce, DontRepeatYourself, RedundancyIsInertia...
4. YouArentGonnaNeedIt, MinimumNumberOfClassesAndMethods...

Alternative list:

1. Runs all the tests.
2. Maximizes Cohesion
3. Minimizes Coupling
4. Says everything OnceAndOnlyOnce.