This slides is about Mixer. A Python package that makes it easy to create instances of your model (or to seed your database with contents).

1. Getting Started with Mixer
Guinsly Mondésir
Github ~ Twitter
Master in Information Studies
May 2017
Audience: Beginner
Category: Web development, Tests
6 min.

2. Overview
● What are fixtures
● What is Mixer
● API (Briefly)
● Tests
● Conclusion

3. What are fixtures (Django)
● A quick and efficient way to provide initial data
in your Django applications.
● Provide initial data

5. What is Mixer
● Mixer is an application to generate instances of
Django or SQLAlchemy models. It's useful for
testing and fixtures replacement. Fast and
convenient test-data generation.

6. 1- API Briefly
● API
– .blend()
– .cycle()
– .sequence()/.RANDOM
– .fake
– locale
– ORM

7. Class Diagram - Blog

8. .blend()
● Generates instance of scheme.

9. .blend()

10. No magic

11. No Magic (suite)

12. .cycle()
● Generate a few objects.

13. .sequence()
● Create a sequence for predefined values.

14. .RANDOM()
● Act almost as mixer.sequence() but randomly

15. fake=True

16. .faker.locale
●

17. 2- ORM
● OneToOne
● OneToMany
● ManyToMany
● ManyToMany_Through
● Contenttypes
● Proxy

18. i.e.: Realationship 1-to-1

19. 3- Test Structure Overview

20. test_models.py

21. test_views.py

22. Conclusion
● Fixture : provide initial data to your applications
● TDD : test-fixtures
● Mixer: a package that helps to create fixture into your app
● Easy way to test your great ideas.
● There is no magic
● How to use it on your Tests (views; models; forms)
● Flask-Class-SQL Alchemy
● Star it / use it

23. References
● Django
● Mixer.Readthedoc
● Testing Django (Mozilla developer network)
● Images Json-XML
● Images: Blog wireframe