Testing Angular 2 and Continuous Integration with Jest - Semaphore
A software developer living his passion of development since 2003. In addition to always trying to improve his skills, he’s also a proud husband and an avid gamer. Introduction Angular is one of the most popular front-end frameworks around today. Developed by Google, it provides a lot of functionality out of the box. Like its predecessor, AngularJS, it was built with testing in mind. By default, A
Ruby Versions Used in Commercial Projects in 2017 - Semaphore
The Ruby community is famous for fast development of greenfield projects and quick acceptance of new concepts. However, it’s worth noting that a lot of mature projects such as GitHub, Shopify and Basecamp also operate with Ruby at their core. Every year we take the opportunity to check which versions of Ruby are used for building real-world applications. The data is based on private projects which
Faster Rails: Eliminating N+1 queries - Semaphore
Chief Architect at Semaphore. A decade of experience in dev productivity, helping close to 50,000 organizations with operational excellence. This article is part of our Faster Rails series. Check out the previous article about index creation on large tables. Rails does not scale well – this argument is often used to downplay the worth of the language and the framework. Yet, many businesses from sm
How to Test Rails Models with RSpec - Semaphore
Full-stack Ruby on Rails developer. Blogs regularly at eftimov.net. Testing is where we spend most of our time as developers. Good testing raises the quality of software, reduces bugs and, in the long run, makes our work easier. In this article, we’ll discuss the basics of testing with Ruby on Rails: What is BDD?How to test models in Rails?How to test business logic with Rspec?How to use Continuou
Faster Rails: Indexing Large Database Tables Without Downtime - Semaphore
Chief Architect at Semaphore. A decade of experience in dev productivity, helping close to 50,000 organizations with operational excellence. This article is part of our Faster Rails series. Check out the previous article about proper database indexing. As the scope and size of a Rails project grows, actions that were blazingly fast can become slow, and even downright unacceptable. The cause behind
Speeding Up Rendering Rails Pages with render_async - Semaphore
Adding new code to Rails controllers can bring a couple of problems with it. Sometimes controller actions get really big, and they tend to do a lot of things. Another common problem is an increase in data over time, which can lead to slow page loading time. Adding new code to controller actions can also sometimes block the rendering of some actions if it fails, breaking user experience and user ha
Creating a Heroku-like Deployment Solution with Docker - Semaphore
Back End Software Developer who loves the web and innovation. Pedro believes in the power of exchanging knowledge with other people, and loves high quality code, development best practices, and automation. Find him at */pecavalheiro. Introduction This tutorial will show you how to create an automation tool for deploying your software in a simple way, similar to deploying to Heroku. We’ll be using
Faster Rails: Is Your Database Properly Indexed? - Semaphore
Chief Architect at Semaphore. A decade of experience in dev productivity, helping close to 50,000 organizations with operational excellence. This article is part of our Faster Rails series. Check out the previous article about fast existence checks. My Rails app used to be fast and snappy, and everything was working just fine for several months. Then, slowly, as my product grew and users started t
Integration Testing Ruby on Rails with Minitest and Capybara - Semaphore
I'm a London based Ruby consultant. Visit my website for more information. Introduction In this tutorial, we’ll cover how to do integration tests in Rails using Minitest and Capybara. We’ll also cover how integration tests can sometimes serve as a replacement for controller tests. Prerequisites To follow this tutorial, you’ll need to have Ruby installed along with Rails. This tutorial was tested u
Integration Testing Phoenix with Wallaby - Semaphore
Jake is developer at Hashrocket currently porting a Ruby on Rails application to Phoenix. Find him on Twitter and his blog. Post originally published on https://hashrocket.com. Republished with author’s permission. Let’s write an integration test for Phoenix using Wallaby. Integration tests are used for behavior description and feature delivery. From the test-writer’s perspective, they are often s
Lightweight Docker Images in 5 Steps - Semaphore
Chief Architect at Semaphore. A decade of experience in dev productivity, helping close to 50,000 organizations with operational excellence. Lightweight Docker Images Speed Up Deployment Deploying your services packaged in lightweight Docker images has many practical benefits. In a container, your service usually comes with all the dependencies it needs to run, it’s isolated from the rest of the s
Introduction to Testing Elixir Applications with ExUnit - Semaphore
Full-stack Infrastructure Engineer who is in love with Elixir and a bit obsessed with metrics. Blogger, open source tinkerer, and occasional tweeter. Introduction Every language needs a solid test framework, and that framework needs to provide mechanisms that allow a developer to exercise the features of the language. To that end, Elixir comes bundled with ExUnit to allow developers to make use of
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Test-Driving a Stream-powered Elixir Library
Continuous Deployment of an Elixir Phoenix Application to Heroku with Semaphore
Introducing Boosters: Move Faster with Automatic Parallel Testing - Semaphore
5 Tips for More Effective Capybara Tests - Semaphore
Making a Mailing Microservice with Elixir and RabbitMQ - Semaphore
End-to-end Testing in Elixir with Hound - Semaphore
How to Capture All Errors Returned by a Function Call in Elixir - Semaphore