Oleg Šelajev is a developer advocate at AtomicJar working integration tests with Testcontainers better for everyone in the community. VirtualJUG leader. In 2017 became a Java Champion.
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 lab, I would like to show how you can use Testcontainers – a popular testing library that harnesses Docker to easily, reliably, spin up test dependencies.
You'll go through the process adding powerful integration tests to your codebase (we'll use a Spring Boot app) without the headache of managing external service dependencies manually. And get acquainted with all necessary Testcontainers concepts to write elegant, efficient, and reliable integration tests.