yanncourtel / scala-kata-logs

Scala katalog

Scala Katas

This repository contains kata starter projects to learn TDD toward refactoring legacy code

Katas Plan

Source by Philippe Bourgau

Basic TDD

• FizzBuzz
• Bowling
• Manhattan distance

Designing with TDD

• Money problem
• Yahtzee
• Mars Rover

Outside-In TDD

• Bank kata

TDD on algorithms

• Diamond
• Kata Lags

Legacy code refactoring

• Refactoring journey
• Gilded Rose
• Yatzy refactoring kata
• Elections
• Ugly trivia game
• Trip service
• Mikado Method and Test Data Builders
• Theatrical Players Kata

Design

• Clean Code
• S.O.L.I.D
• DDD / Order Shipping (Tell don't ask) Kata
• Functional Programming Guidelines
• Test your Architecture with ArchUnit

Crappy-Driven Development

• Crappy-Driven Development

Constraints that can be added

Durink katas you can add different constraints to discover concepts

• No primitive constraint
• Tell! Don't Ask constraint
• CQS constraint
• Object Calisthenics constraint
• Test && Commit || Revert
• Cyclomatic Complexity One constraint
• Always compile : never be in a broken state
• Other constraints

Other topics to discover

• Clean testing
• Approval testing
• Property-Based Testing
• Working effectively with Legacy Code
• Mikado method
• Exploratory Refactoring
• Functional Programming Design Patterns
• Mutation Testing
• Clean Architecture
• Libyear
• Mob programming
• Consumer-Driven Contract Testing

Tools

• MobTime