Full Clean Factories

Transcript

1. 1.

   Full Clean Factories James Cooke Licensed under the Creative Commons

   Attribution-ShareAlike 3.0 Unported License.
2. 2.

   Outline • Problem • Libraries • Grading factories • Factory

   features • Results
3. 3.

   Problem

4. 4.

   Factories • Django Fakery • Factory Boy • Factory Djoy

   • Hypothesis[django] • Mixer • Model Mommy
5. 5.

   Grading factories: Test • Two models: User and Item •

   Two factories: UserFactory and ItemFactory • Create 10 instances class Item(models.Model): name = models.CharField( max_length=1, unique=True)
6. 6.

   Grading factories: Grades • RED: Creates invalid instances • YELLOW:

   Raises exception • GREEN: Creates valid instances
7. 7.

   Factories Factory ItemFactory UserFactory Django Fakery RED YELLOW Factory Boy

   RED RED Factory Djoy YELLOW GREEN Hypothesis[django] RED RED Mixer GREEN GREEN Model Mommy YELLOW GREEN
8. 8.

   Final points • Factories are made of two parts •

   Hypothesis could win • Test code on GitHub: https://github.com/jamescooke/factory_audit/ • Full write-up tomorrow http://jamescooke.info/
9. 9.

   Thanks! • @jamesfublo • Ask questions • Let’s talk more

   about testing • Thanks for listening! Licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.