This is a beginner-friendly step-by-step Elixir guide. If you would like to skip to the completed code on Github, scroll to the end of the guide for the link! In this guide, we’ll use Test-driven…

ICT Group

Tessa van der Heijden

Elixir

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Learn to build a rate limiter in Elixir using ExRated, ExUnit, and doctests in a step-by-step guide. The tutorial covers the setup of ExRated for bucket-based rate limiting, using TDD for development, and implementing unit tests along with logging. Highlights include the use of `@doc` blocks for documentation-driven tests and exploring the limitations of doctests. It emphasizes the importance of real unit tests for comprehensive testing, and covers additional enhancements like function typespecs and input guards.

Building an Elixir Rate Limiter with ExRated, ExUnit, and Doctests via TDD