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Testing Objects with a Functional Mindset

Testing Objects with a Functional Mindset When unit testing our Object-Oriented (OO) code, some methods are easy to test while others are hard. Functional programming gives us a mental model to help understand why: pure functions and side-effects.Easy testsSome methods are super easy to t...

An Unusual Performance Optimization

An Unusual Performance Optimization The “raw_text” benchmarks tests the performance of close-to-metal text output. This is important because it is the limiting factor when creating PDF files, especially big PDF files, with much text content.What the benchmark does isreading a file l...

The Ruby Serverless Framework

The Ruby Serverless Framework Ruby on Jets allows you to create and deploy serverless services with ease, and to seamlessly glue AWS services together with the most beautiful dynamic language: Ruby. It includes everything you need to build an API and deploy it to AWS Lambda. J...

Nested factories in Factory Bot: what they are and how to use them - Code with Jason

Nested factories in Factory Bot: what they are and how to use them - Code with Jason Let’s use the following as an example. Let’s say that in the majority of your application’s tests that involve a User, you want just a regular old user. Maybe you have 30 such tests.But for a handful of tests you want to use a special kind of user...

Most Common Types of Technical Debt in Rails

Most Common Types of Technical Debt in Rails The majority of the Rails custom software development work we do here at NextLink Labs deals with rehabilitating older projects that are overwhelmed with technical debt from years of development without refactoring.The software problems in these w...

How well Rails developers actually test their apps | Arkency Blog

How well Rails developers actually test their apps | Arkency Blog Here are the results of our State of Testing in Rails apps survey results. I have distilled the most interesting numbers for your reading pleasure and efficiency. Detailed charts here. I have highlighted what stands out as interesting for me. Numb...

When used intelligently, Rails concerns are great - Code with Jason

When used intelligently, Rails concerns are great - Code with Jason There seem to be two main camps regarding Rails concerns. One camp says concerns are good. The other camp says concerns are bad.I don’t buy this dichotomy. To state what ought to be obvious, not everything is either good or bad.I’ll make a small d...

Level Up Your Rails Code Reviews In 11 Ways

Level Up Your Rails Code Reviews In 11 Ways Code reviews have become the norm and there are lots of articles that talk about how they should be done, but its easy to get lost in all the details you find on the internet and lose focus on the things that matter. This article highlights many o...

Ruby 3, concurrency and the ecosystem · Kir Shatrov

Ruby 3, concurrency and the ecosystem · Kir Shatrov With the Ruby 3.0 release, there’s been a lot of chatter about concurrency, parallelism, and async IO.With the Ruby 3.0 release, there’s been a lot of chatter about concurrency, parallelism, and async IO.For my own reflection, I wanted to write do...

Rails request cycle explained

Rails request cycle explained Simplified when we talk about the request that is coming to the Rails application, we usually consider two elements of the application: routes configuration and controller action. The route configuration decides which controller action should be t...

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