Testing your database migrations with Flyway and Testcontainers
Automated database migrations are an important building block of agile software development. How can we perform migrations and test them? Read more
13 Search Results for Kotlin
Spotting mismatches between your spec and your REST-API with hikaku
03/05/19
In this article I will show you how to write tests in just a few lines of code, using the library hikaku, that ensure that the specification and implementation of a REST-API don't diverge. Read more
Vert.x Kotlin Coroutines
Vert.x is an event-driven application framework. Coroutines are a nice way to compose asynchronous computations. How do these two work together and what does the Vert.x Kotlin Coroutines package do? Read more
Micronaut Microservices Framework: Introduction
Micronaut is a modern JVM-based microservices framework. I will introduce it to you and show a small hello world example. Read more
Android testing (Part2): Kotlin DSL for Espresso and UIAutomator
11/06/18
We were using the combination of Espresso and UIAutomator to do the E2E testing on Android. Syntax and the readability had to be improved so we unified the syntax with Kotlin DSL. Check it out. Read more
Kotlin goodies that make a developer’s life easier
09/20/18
This post shows some useful functions from the Kotlin standard library and how to write your own functions for cleaner and better code. Read more
How to write a Kotlin DSL – e.g. for Apache Kafka
06/24/18
The Kotlin language gets more and more attention. One area it excels in is in writing custom DSLs. In this post I show how to write your own DSL for example to work with Apache Kafka. Read more
Mock? What, When, How?
03/16/18
Mocking frameworks are powerful tools for testing and test driven development (TDD) in particular. What are the rules to write good tests with mock objects? Read more
Elegant delegates in Kotlin
Kotlin has given us some really killer features. Some are obviously useful, while others come with a warning. One such ‘handle-with-care’ feature is the language support for delegation. Read more