Upgrade to Pro — share decks privately, control downloads, hide ads and more …

9_ways_to_test_your_spaghetti_code_-_Devoxx_Ukr...

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Mads Opheim Mads Opheim
November 23, 2018
0
65

 9_ways_to_test_your_spaghetti_code_-_Devoxx_Ukraine.pdf

Avatar for Mads Opheim

Mads Opheim

November 23, 2018
Tweet

More Decks by Mads Opheim

See All by Mads Opheim
Modern Java App Development in the Cloud
Avatar for Mads Opheim madsopheim
0
53
IoT Powered by MicroProfile - JFuture
Avatar for Mads Opheim madsopheim
0
590
IoT Powered by MicroProfile - MakeIT
Avatar for Mads Opheim madsopheim
0
36
9 ways to test your spaghetti code
Avatar for Mads Opheim madsopheim
0
47
IoT powered by MicroProfile
Avatar for Mads Opheim madsopheim
0
37
9 ways to test your spaghetti code
Avatar for Mads Opheim madsopheim
0
130
Domain driven design in the real world
Avatar for Mads Opheim madsopheim
0
390
Make your tests tell the story of your domain
Avatar for Mads Opheim madsopheim
0
93
IoT powered by MicroProfile
Avatar for Mads Opheim madsopheim
0
51

Featured

See All Featured
YesSQL, Process and Tooling at Scale
Avatar for Rocio Delgado rocio
174
15k
Primal Persuasion: How to Engage the Brain for Learning That Lasts
Avatar for Mike Taylor tmiket
0
250
Building a A Zero-Code AI SEO Workflow
Avatar for Ian Lurie portentint
PRO
0
320
The Pragmatic Product Professional
Avatar for Laura Van Doore lauravandoore
37
7.1k
GraphQLの誤解/rethinking-graphql
Avatar for sonatard sonatard
74
11k
From π to Pie charts
Avatar for Rasagy Sharma rasagy
0
120
Intergalactic Javascript Robots from Outer Space
Avatar for Vicent Martí tanoku
273
27k
エンジニアに許された特別な時間の終わり
Avatar for watany watany
106
230k
Ten Tips & Tricks for a 🌱 transition
Avatar for Manu Carrasco Molina stuffmc
0
70
Stop Working from a Prison Cell
Avatar for Chris Michel hatefulcrawdad
273
21k
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
Avatar for Umar Saidu Auna auna
0
54
Sharpening the Axe: The Primacy of Toolmaking
Avatar for Bryan Cantrill bcantrill
46
2.7k

Transcript

  1. Devoxx Ukraine 9 ways to test your spaghetti code Mads

    Opheim @MadsOpheim

  2. Goal of this talk: You’ll be inspired and enabled to

    test your legacy code 2

  3. What is spaghetti code? 3

  4. Precondition: You are creative The computer is not 4

  5. 1. Extract interface 5

  6. 6

  7. 7 2. Set your dependencies

  8. 8

  9. Singletons 9

  10. 3. Package-protect problematic parts 10

  11. 11

  12. 4. Consider removing final 12

  13. Well-designed code is testable code 13

  14. 14 5. Help your team

  15. 6. Run your tests - and care 15

  16. 7. Feature toggles 16

  17. 8. One class != one test class 17

  18. 9. Test-driven development 18

  19. Test-driven spaghetti 19

  20. Give me more @lisacrispin, @lisihocke, @techgirl1908... 20

  21. Key takeaways 21 1. Good code design improves testability 2.

    Short-term sacrifices are ok 3. Write tests for you legacy code - you can do it!

  22. спасибі! 22 @MadsOpheim [email protected]