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Tag Archives: JUnit

Using Kafka with Junit

One of the neat features that the excellent Spring Kafka project provides, apart from a easier to use abstraction over raw Kafka Producer and Consumer, is a way to use Kafka in tests. It does this by providing an embedded version of Kafka that can be set-up and torn down very easily. All that a project needs to include this support is ...

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Create JNDI resources for JUnit testing using Spring

Until recently, I had static methods setting up my in memory database (HSQLDB). I called these methods in setUp/tearDown of my JUnit tests. This felt always a bit unnatural to me as I use Spring and everything should run through it’s application context. Creating a simple JNDI bean As I use JNDI in production, I had to created a JNDI ...

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JUnit vs TestNG: Which Testing Framework Should You Choose?

JUnit vs TestNG: The testing frameworks showdown Testing is an inseparable part of the software release cycle in well balanced developer teams. And it wasn’t always like that. Unit tests, integration test, system tests and others weren’t always around. Today, we’re lucky to be in a place in time where testing matters and the value is known to most of ...

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JUnit 5 – Dynamic Tests

When it came to defining tests, JUnit 4 had a tremendous weakness: It had to happen at compile time. Now, JUnit 5 will fix this oversight! Milestone 1 just got released and it comes with the brand-new dynamic tests, which allow the creation of tests at run time. Overview Other posts in this series about JUnit 5: Setup Basics Architecture ...

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JUnit 5 – Conditions

We recently learned about JUnit’s new extension model and how it allows us to inject customized behavior into the test engine. I left you with the promise to look at conditions. Let’s do that now! Conditions allow us to define flexible criteria when tests should or shouldn’t be executed. Their official name is Conditional Test Execution. Overview Other posts in ...

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JUnit 5 – Extension Model

We already know quite a lot about the next version of Java’s most ubiquitous testing framework. Let’s now look at the JUnit 5 extension model, which will allow libraries and frameworks to add implement their own additions to JUnit. Overview Setup Basics Architecture Extension Model Conditions Injection … Most of what you will read here and more can be found ...

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JUnit 5 – Architecture

Now that we know how to set JUnit 5 up and write some tests with it, let’s take a look under the covers. In this post we’ll discuss the JUnit 5 architecture and the reasons why it turned out this way. Overview This post is part of a series about JUnit 5: Setup Basics Architecture Conditions Injection … JUnit 4 ...

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How to Replace Rules in JUnit 5

The recently published JUnit 5 (aka JUnit Lambda) alpha release caught my interest and while skimming through the documentation I noticed that rules are gone – as well as runners and class rules. According to the documentation, these partially competing concepts have been replaced by a single consistent extension model. Over the years, Frank and I wrote several rules to ...

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