Ruby On Rails

Tutorials

Rails System Tests In Docker

Rails System Tests In Docker At Hint, we use Docker extensively. It is our development environment for all of our projects. On a recent greenfield project, we wanted to use Rails System Tests to validate the system from end to end.In order to comfortably use System Tests insi...

Mocking in Ruby with Minitest - Semaphore Tutorial

Mocking in Ruby with Minitest - Semaphore Tutorial Mocking is used to improve the performance of your tests. This tutorial will show you how to use mocks and stubs in Ruby with Minitest.In this tutorial, we will learn how to test Ruby on Rails applications with Minitest. We’ll cover how to do use ...

Passing Rails controller params to Sidekiq

Passing Rails controller params to Sidekiq If we pass Rails controller params, directly to a Sidekiq worker then they are not parsed correctly by Sidekiq when the job is executed. Let's see an example.

RSpec Given/When/Then with symbol

RSpec Given/When/Then with symbol Having a need to write some BDD-esque tests without the need of putting them in front of non-technical people, I was recently playing around with rspec feature specs. Where I’ve used these previously we’ve eventually run into curation issues where...

Introduction to Stimulus Reflex (Example) | GoRails

Introduction to Stimulus Reflex (Example) | GoRails Stimulus Reflex is one of the coolest new libraries out there. It can update the browser in realtime and allow you to build reactive applications without any Javascript. It's awesome.NotesEver heard of Phoenix LiveView and wished you had it in Rai...

Anyway Config: Keep your Ruby configuration sane

Anyway Config: Keep your Ruby configuration sane It’s time we have a serious conversation about configuration, settings, secrets, credentials, and environment variables in mature Ruby, and especially Rails projects. As a part of this friendly intervention, I will introduce Anyway Config, a gem o...

Using Optimizer Hints in Rails

Using Optimizer Hints in Rails An execution plan describes a recommended method of execution for a SQL statement. The query optimizer attempts to generate the most optimal execution plan for a SQL statement.The optimizer chooses the plan with the lowest cost in terms of I/O, CP...

Custom Exception Handling in Ruby

Custom Exception Handling in Ruby In Ruby, like in most languages, an exception is a way to convey that something went wrong. While some languages only use exceptions for truly exceptional circumstances, like run-time errors, Ruby uses exceptions for a wide variety of errors and u...

Understanding webpacker.yml

Understanding webpacker.yml Though Webpacker adds a layer of "convention over configuration" in regards to webpack integration with Rails, the need for configuration remains. In this post, I'll describe the role of the webpacker.yml file for Webpacker configuration.One of We...

Mocking in Ruby with Minitest

Mocking in Ruby with Minitest Mocking is used to improve the performance of your tests. This tutorial will show you how to use mocks and stubs in Ruby with Minitest.In this tutorial, we will learn how to test Ruby on Rails applications with Minitest. We’ll cover how to do use ...

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