Flaky Tests you own this product

prerequisites
intermediate Spring • basic Spring Boot • basic JUnit • basic Gradle configuration
skills learned
bring stability to your test runs by replacing flaky integrations with stubs • define contracts from the view of the consumer • conform to contracts provided as the producer
Steven Solomon
1 week · 8-10 hours per week · INTERMEDIATE

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Look inside

In this liveProject you will work to overcome common issues that emerge when teams use microservices and make heavy use of integration tests. This problem is known as flaky tests, which pass and then fail without the code changing. This can cause your team to produce more bugs, as they ignore their tests due to them failing when code isn’t broken. This project shows how to overcome flaky database tests caused by tests producing side effects that affect other tests. You will practice eliminating flaky API integration tests by using consumer-driven contract testing with Spring Cloud Contract. This will verify that both the server and client conform to the same contract, enabling you to be confident that any changes to an API won’t break the wishlist feature.

This project is designed for learning purposes and is not a complete, production-ready application or solution.

project author

Steven Solomon
Steven Solomon is a Staff Software Engineer at GitHub. He has been writing software professionally since 2007, and has worked in many sectors, including music publishing, retail, finance, loyalty, healthcare, and education. As a team lead, Steven mentors other engineers in the strategic adoption of agile thinking and techniques, allowing them to continuously improve until they find a sustainable balance to how they approach work. One agile practice that he is particularly passionate about is test-driven development (TDD), which he has used over the past 10 years to help teams deliver and demo working software every single week.

prerequisites

This liveProject is for Java software engineers with an intermediate level of experience using Spring MVC to build web applications. To begin this liveProject, you need to be familiar with the following:


TOOLS
  • Intermediate Spring
  • Basic Spring Boot
  • Basic JUnit
  • Basics of Git
  • Basic Gradle configuration
TECHNIQUES
  • Basic Unit Testing

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