What Is Your Test Quality?

You have consistently written unit tests and you have a line coverage of, let us say, 80% and all of your tests pass. Pretty good, isn’t it? But then you change your code and still all of your tests pass although you have changed code which is covered by your unit tests. In this post, we will take a look at mutation testing which will test the quality of your unit tests.

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How to Mock a Rest API in Python

A few posts ago, we published a blog about how to use the Jira API. We did not write any unit tests for the application we wrote and that is exactly what we are going to do now. More specifically, we will focus on how we can unit test a Rest API.

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Book Review: The Unicorn Project

In November 2019, ‘The Unicorn Project’ by Gene Kim has been released. The book focuses on the development part of the Unicorn project of Parts Unlimited which was introduced in the well-known book ‘The Phoenix Project’. I finally had the time to read it and share some thoughts about it.

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Skaffold: k8s Development Made Easy

Skaffold is a command line tool developed by Google which aims to facilitate continuous development for Kubernetes applications. It will automate the task of building and deploying to a Kubernetes cluster whereas you, as a developer, can stay focused on writing code. Seems interesting enough to take a closer look at it!

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Create Fast and Easy Docker Images With Jib

In this post we are going to take a look at Jib, a tool from Google in order to create Docker images in an easy and fast way. No need to create a Docker file, no need to install a Docker daemon, Jib just runs out-of-the-box.

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Introduction to Spring Kafka

Some blog posts ago, we experimented with Kafka Messaging and Kafka Streams. Although we used Spring Boot applications in order to demonstrate some examples, we deliberately did not make use of Spring Kafka. Reason for doing so, was to get acquainted with Apache Kafka first without any abstraction layers in between. Now that we have done so, it is of course time to take a look at Spring Kafka!

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