Katas

Ressources

• http://tddbuddy.com/

• https://codingdojo.org/KataCatalogue/

• https://katalyst.codurance.com/

• https://github.com/emilybache/

• https://kata-log.rocks/

• Technical agile coaching materials : https://sammancoaching.org/

• Code cop

Refactoring

• Refactoring Journey : https://ythirion.github.io/refactoring-journey/

• Gilded rose : https://github.com/emilybache/GildedRose-Refactoring-Kata

• Theatrical players Kata : https://github.com/ythirion/Theatrical-Players-Refactoring-Kata

• Person-kata : https://github.com/ythirion/person-kata

• Untangled Conditionals kata : https://github.com/tomphp/untangled-conditionals-kata

  • Article : https://cloudnative.ly/refactoring-untangling-conditionals-cc5693b8ec3c

  • Video : Untangled Conditionals Kata

• How to refactor legacy code : https://github.com/sandromancuso/trip-service-kata

  • Seam model : https://understandlegacycode.com/blog/key-points-of-working-effectively-with-legacy-code/

  • Video : https://www.youtube.com/watch?v=_NnElPO5BU0

Patterns

• Strangler fig : https://engineering.shopify.com/blogs/engineering/refactoring-legacy-code-strangler-fig-pattern

• Branch by abstraction :

  • https://engineering.shopify.com/blogs/engineering/refactoring-legacy-code-strangler-fig-pattern

  • Billing refactoring kata : https://github.com/bastiendavid/billing-refactoring-kata

Testing

TDD

• Fizz Buzz : https://katalyst.codurance.com/fizzbuzz

• Leap Year : https://katalyst.codurance.com/leap-year

• Money problem : https://github.com/ythirion/TDD-money-problem

• Yahtzee : https://codingdojo.org/kata/Yahtzee/

• Roman Numerals : https://katalyst.codurance.com/roman-numerals

  • It's not a mathematical problem

Outside-in TDD (London approach / mockist)

• Bank kata : https://katalyst.codurance.com/bank

• Hotel : https://katalyst.codurance.com/corporate-hotel-booking

Approval Testing (Golden Master)

• Approval Testing kata in C# : https://github.com/ythirion/approval-csharp-kata

• Expense Report : https://github.com/christianhujer/expensereport

• Lift-kata : http://coding-is-like-cooking.info/2020/04/how-to-develop-new-features-with-approval-testing-illustrated-with-the-lift-kata/

• EnvironmentControllerKata : https://github.com/emilybache/EnvironmentalControllerKata

• Ugly trivia : https://kata-log.rocks/ugly-trivia-kata

Gilded Rose (Approval Testing)

Property Based Testing

• A journey to Property-Based Testing

Improve your software quality with Property-Based Testing

• Enchanting : https://katalyst.codurance.com/enchanting

TCR (Test && Commit || Revert)

• https://github.com/ythirion/TcrKata

Mikado method

• https://github.com/mikadomethod/kata-java

• https://github.com/murex/mikado-testbuilders-kata

• https://livebook.manning.com/book/the-mikado-method/chapter-1/69

Mikado method

Discover new libs

• Vavr : https://github.com/ythirion/vavr-kata

• Language-ext : https://github.com/ythirion/language-ext-kata

• Java to the future : https://github.com/ythirion/java4toTheFuture

• Pact : https://github.com/ythirion/cdc-kata

Architecture

• Architecture Kata : http://fundamentalsofsoftwarearchitecture.com/katas/list.html

• DDD Katas by Nick Tune :

  • Delivericious : Strategic Domain Driven Design Kata

  • Dreamland : DDD Kata

Clean Architecture