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Tag Archives: AssertJ

JUnit: Testing Exceptions with Java 8 and AssertJ 3.0.0

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AssertJ 3.0.0 release for Java 8 makes testing exceptions much easier than before. In one of my previous blog post I described how to utilize plain Java 8 to achieve this, but with AssertJ 3.0.0 much of the code I created may be removed. Warning: this blog post contains mostly the code examples.     SUT – System Under Test ...

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Java 8 Friday: Most Internal DSLs are Outdated

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At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. Java 8 Friday Every Friday, we’re showing you a couple of nice new tutorial-style Java 8 features, which take advantage of lambda expressions, extension methods, and other great stuff. You’ll find ...

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Spice up your test code with custom assertions

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Inspired by the @tkaczanowski talk during GeeCON conference I decided to have a closer look at custom assertions with AssertJ library. In my ‘Dice’ game I created a ‘Chance’ that is any combination of dice with the score calculated as a sum of all dice. This is relatively simple object:             class Chance implements Scorable ...

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