Groovy Integration Testing with Docker & Testcontainers

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Unit testing is fine, but without proper integration testing, especially if you work with external resources like databases and other services, you might not know how your application will actually behave once it has been deployed to the real production environment.

Before Docker, configuring the environment for integration testing was painful – people were using fake database implementations, mocking servers, usually it was not cross-platform as well. However, thanks to Docker, now we can quickly prepare the environment for our tests.

In this talk, Kevin Wittek would like to show how you can use Testcontainers ( https://github.com/testcontainers/testcontainers-java ) – a popular JVM testing library that harnesses Docker to easily, reliably, spin up test dependencies.

As a special focus, we want to look at possible ways to integrate Testcontainers with the Grails testing framework.

About the Speaker

Kevin Wittek is a Testcontainers co-maintainer and Testcontainers-Spock author, in love with FLOSS. He received the Oracle Groundbreaker Ambassador award for his contributions to the Open Source community.

He is a Software Craftsman and testing fan. Plays the electric guitar and is a musician in his second life. Found his own company during his university years, developing mobile apps and client-server applications, which introduced him to Grails and the Groovy ecosystem. Fell in love with TDD because of Spock. After many years working in the industry as an engineer, Kevin is now doing his PhD at the Institute for Internet Security and is leading a research team in the field of blockchain technology.

This event is organised by RecWorks on behalf of the London Groovy and Grails User Group.

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