Articles of interest for Ruby on Rails

Google Maps and Google Places Autocomplete API with Rails, Turbolinks, and Stimulus.js

Learn how to implement Google Maps and the Google Places Autocomplete API in Rails compatible with Turbolinks using StimulusJS

Published: 6th April 2020

How to use the Pay gem to accept Payments in Rails

A getting started guide on the Pay gem for accepting payments in Rails

Published: 30th March 2020

Testing File Uploads in Rails with Shrine

Testing file uploads can be tricky, but Shrine makes both file uploading and testing a lot easier than you might expect.

Published: 23rd March 2020

File uploads in Rails with Shrine

File uploads in Rails with Shrine make it easy to upload and customize how files get uploaded and processed in Rails

Published: 16th March 2020

Building AnimatedGif.me Part 3

This series walks through the entire process of building a Ruby on Rails app from start to finish. We'll be building AnimatedGif.me for saving and sharing animated gifs as easily as possible.

Published: 10th March 2020

Building AnimatedGif.me Part 2

This series walks through the entire process of building a Ruby on Rails app from start to finish. We'll be building AnimatedGif.me for saving and sharing animated gifs as easily as possible.

Published: 2nd March 2020

Building AnimatedGif.me Part 1

This series walks through the entire process of building a Ruby on Rails app from start to finish. We'll be building AnimatedGif.me for saving and sharing animated gifs as easily as possible.

Published: 24th February 2020

Testing ActiveStorage File Uploads and Fixtures

Learn how to test ActiveStorage file uploads and create fixtures with ActiveStorage attachments

Published: 17th February 2020

Realtime Online User Tracking with ActionCable

If we want to add realtime tracking of which users are online, we can use active websocket connections through ActionCable to keep track.

Published: 10th February 2020

Tracking online users with timestamps

We can use timestamps in our database to track of online users in your Rails

Published: 3rd February 2020

How to use Uppy with ActiveStorage

Learn how to implement Uppy as a frontend for uploading files via drag and drop, paste, URL, Google Drive, Dropbox, webcam and more to Active Storage in Rails

Published: 27th January 2020

How to use AWS Cloud9 for Ruby on Rails development

Ever wanted an editor and Rails environment you can use anywhere? Cloud9 is the perfect option for this and can run on an EC2 instance in your AWS account.

Published: 20th January 2020

How to use Mocks in Ruby tests

Mocks are a handy tool for writing tests in Ruby. You can use them to fake an object and verify that the correct methods were called against it. Perfect for testing a method that integrates closely with another class or module.

Published: 13th January 2020

How to use Dependency Injection in Ruby

Dependency Injection is a common technique for making your code more flexible and testable by removing strict dependencies upon other classes, modules, and other types of dependencies in your code

Published: 8th January 2020

How to use Test Stubs with Minitest

Test stubs are very handy when you want to mock out the response to a method call. This allows your tests to be more reliable and skip long running or unnecessary method calls.

Published: 30th December 2019

Fixing Brittle Tests: Avoid Hardcoded Values

Test suites often become brittle over time where small changes end up breaking various tests. One way to avoid that is by avoiding using hardcoded values in your test suite.

Published: 23rd December 2019

Refactoring Rubocop GitHub Action

Today we're refactoring Andrew Mason's GitHub Action that runs Rubocop against your repository. We'll pull out some concepts, remove conditionals, and use several other techniques to clean up the code.

Published: 16th December 2019

Testing Rails ActionCable with Devise

Testing ActionCable authentication with Devise is pretty easy, especially when we build our own helpers to stub out Warden

Published: 9th December 2019

How to test ActionMailer in Rails

Rails provides several really useful test helpers for ActionMailer so we can quickly iterate on our design, test that our code queues up the right emails, and make sure our emails contain the right content.

Published: 2nd December 2019

Testing Times & Dates with Rails

Rails provides several helper methods for testing times and dates in your applications. You can now freeze time and time travel like in the movies!

Published: 20th November 2019

How to Test Background Jobs with Active Job

Learn how to test Active Job in your Ruby on Rails application

Published: 13th November 2019

Testing External APIs with VCR

Testing integrations with external APIs in your Rails app can be hard. You don't know what requests are being made (or even the responses), so how can you properly mock them out? VCR to the rescue.

Published: 29th October 2019

Testing API Integrations with WebMock

Published: 23rd October 2019

GitHub Actions with Ruby on Rails: Setting up Continuous Integration

Learn how to set up GitHub Actions to run Continuous Integration (CI) with Ruby on Rails

Published: 17th October 2019

How to write System Tests in Rails

System tests allow you to use a browser for testing your Rails app including Javascript

Published: 9th October 2019