This week, we are more than thrilled to announce that Semaphore now officialy supports Docker. The service update, immediately available to all Semaphore users, brings full technical capabilities of using Docker and additions to the user interface with the goal of simplifying your continuous integration and delivery workflow.

Introduction You’ve spent some time with React, maybe even written a few tests. But you’re not really sure how best to test your components. Where do you start? What exactly do you test? Some React components seem so simple that it’s not even clear whether they need tests at all. If you’ve come to React […]

Introduction One of the reasons behind the popularity of Go is its testing story. Go comes with a lightweight test framework that makes it trivial to write different kinds of tests. In this tutorial, you will learn how to perform integration testing with Go. We will create a sample application, which will make use of […]

Introduction Continuous Integration/Delivery has gained widespread acceptance in the minds of developers, and has become an important aspect of the quick release cycles in the software industry. However, adopting continuous integration is not going to bring any benefits, if we don’t make sure that our build system can run in a CI environment with multiple […]

Introduction React has become an increasingly popular and widely-used JavaScript application tool for developing web applications. Popular frameworks like Angular.js, Ember.js, and Backbone have traditionally been go-to choices for front-end application development, but React came onto the scene in 2013 and provided front-end engineers with another substantial alternative. React was developed at Facebook in part […]

This tutorial is the fourth part of our series on test-driving an Ember.js application. Here’s a quick recap of our last tutorial. We first started building out our Ember application using a route plus a template. We then transitioned our work to a component, which is where we’ll start from in this tutorial. We weren’t […]

In the last tutorial in this series, we created an API using Rails 5 (which just went to Beta 1). In that tutorial, we mostly focused on the server, but we also considered what we were going to do with the Ember application we built in the first tutorial in the series. We recommend that […]

Introduction Mixins are a very powerful feature in Ruby, but knowing how to test them is sometimes not too obvious, especially to beginners. This stems from mixins’ nature – they get mixed into other classes. In this tutorial, we will revisit what mixins are, identify mixin types, and learn how we can test mixins with […]