Category Greatest Hits

Introduction This tutorial will illustrate how you can build a REST API backed by PostgreSQL in Go, using Gorilla Mux for routing. The tutorial will employ test-driven development and will conclude by explaining how you can continuously test against a database during development. Goals By the end of this tutorial, you will: Prerequisites This tutorial […]

Mocha is a testing library for Node.js, created to be a simple, extensible, and fast. It’s used for unit and integration testing, and it’s a great candidate for BDD (Behavior Driven Development). This article will walk you through its installation and configuration, as well as demonstrate its usage by implementing a color converter that can […]

RSpec is a testing tool for Ruby, created for behavior-driven development (BDD). It is the most frequently used testing library for Ruby in production applications. Even though it has a very rich and powerful DSL (domain-specific language), at its core it is a simple tool which you can start using rather quickly. This RSpec tutorial […]

Testing applications has become a standard skill set required for any competent developer today. The Python community embraces testing, and even the Python standard library has good inbuilt tools to support testing. In the larger Python ecosystem, there are a lot of testing tools. Pytest stands out among them due to its ease of use […]

Mocking and stubbing are the cornerstones of having quick and simple unit tests. Mocks are useful if you have a dependency on an external system, file reading takes too long, the database connection is unreliable, or if you don’t want to send an email after every test. Unlike with integration or functional tests, where the […]