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Java InfoQ Trends Report - July 2019

The InfoQ Java trend report provides an overview of technology adoption and commentary on how we see the Java and JVM-related space evolving in 2019. Key developments include the release of Java 13, the rise of non-HotSpot JVMs and the evolution of GraalVM, and the changing landscape of Java microservice frameworks.

Ben Evans Erik Costlow Dustin Schultz Charles Humble
on Jul 16, 2019 2
Java

Deep Dive into JUnit 5 Extension Model

JUnit 5 is a modular and extensible testing framework with support for Java 8 and higher. The Jupiter extension model can be used to add custom features. This is explained by building out a simple set of extensions that support the BDD approach to testing with full code examples.

Uday Tatiraju
on Aug 19, 2018
Java

Automated Journey Testing with Cascade

Starting with a brief history of software testing, we investigate Cascade, a new framework for testing “journeys”, eliminating overlapping coverage to produce fast unit tests.

Robin de Villiers
on Aug 15, 2017
Java

How Java Developers Can Use the Wiremock Framework to Simulate HTTP-Based APIs

A common syndrome in development shops today is the repeated creation of over-the-wire stubs and mocks for testing. In this article Wojciech Bulaty covers how Java developers can avoid reinventing the wheel and leverage Wiremock to build over-the-wire HTTP(s) stubs.

Wojciech Bulaty
on Nov 08, 2016 2
Java

JUnit 5 - An Early Test Drive - Part 2

JUnit, Java's most ubiquitous testing framework, is getting an update. In part one of our JUnit 5 coverage, we looked at how we got here and wrote some preliminary tests. In part two, we take a closer look at how to run tests and at some of the very cool new features JUnit 5 brings to the table for us developers.

Nicolai Parlog
on Aug 15, 2016 8
Java

JUnit 5 - An Early Test Drive - Part 1

JUnit, Java's most ubiquitous testing framework, is getting an update. Yes, JUnit 5 is a complete rewrite that decouples "JUnit the Platform" from "JUnit the Tool" and makes the platform available to other testing frameworks, which might very well redefine the future of testing on the JVM. More than that, it evolves the API and has a very promising extension model.

Nicolai Parlog
on Jul 19, 2016 4
Java

Beyond Page Objects: Next Generation Test Automation with Serenity and the Screenplay Pattern

Automated acceptance testing reduces time wasted in manual testing and bug fixing, and when combined with Behaviour-Driven Development, can guide development effort. But it requires skill, practice and discipline. The Screenplay Pattern helps teams address these difficulties and is where you may end up by mercilessly refactoring Page Objects using SOLID design principles.

Andy Palmer Antony Marcano John Ferguson Smart Jan Molak
on Mar 15, 2016 3
Book Review: Integration Testing from the Trenches

In this important and thorough treatise “Integration Testing from the Trenches” Nicolas Frankel starts from basic definitions and develops the concepts of integration testing with a casual formalism that's intuitive and fun.

Victor Grazi
on Jun 27, 2014
Custom Assertions in Java Tests

Using so-called "matcher libraries" to implement custom assertions to make tests more readable and maintainable.

Tomek Kaczanowski
on Feb 27, 2014 2
Unit Testing Hadoop MapReduce Jobs With MRUnit, Mockito, & PowerMock

Hadoop MapReduce jobs have a unique code architecture that raises interesting issues for test-driven development. In this article Michael Spicuzza provides a real-world example using MRUnit, Mockito, and PowerMock to solve these problems.

Michael Spicuzza
on Dec 03, 2012 1
Unit and Integration Testing for GWT Applications

Bertrand Paquet and Gael Lazzari of Octo Technology explore Unit Testing GWT applications and introduce their own open source gwt-test-utils framework to support unit and integration testing of GWT code with standard tools such as JUnit and Easymock.

Bertrand Paquet Gael Lazzari
on Apr 19, 2010 2
Interview and Book Excerpt: Hani Suleiman & Cedric Beust, "Next Generation Java Testing: TestNG and Advanced Concepts"

InfoQ.com recently sat down with Hani Suleiman and Cédric Beust the authors of Next Generation Java Testing: TestNG and Advanced Concepts to discuss the book and their thoughts about testing in general. InfoQ is also pleased to offer an excerpt from chapter 2 of the book, "Mocks and Stubs".

Scott Delap
on Feb 13, 2008 4