Spring Boot + Junit 5 + Testcontainers

Related tags

Spring Boot spring-boot junit springboot testcontainers junit5 test-containers
Overview

Spring Boot + Junit 5 + Testcontainers

Intro and Motivation

This is an example of a fresh Spring Boot project that has an integration test that uses JUnit 5 (Jupiter) and a Testcontainer for its database. I created this project because I found this process to be more painful than I expected due to most guides using JUnit 4. I also created this project because it felt too painful, and I am interested in learning how other people have solved this problem.

Build Instructions

I set this to use Java 17, but it should work fine on most somewhat current versions of java if you tweak the pom.

mvnw clean install

The purpose of this project is to show how to make tests like this, so that's all you really need to know.

Feedback

Please make an issue; I'm interested to hear your feedback.

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Comments
  • Second test

    Second test

    • I realized there was hidden complexity with adding multiple tests (your @SQL runs before each test in the class, not once per test class)
    • Added a second mapper method and tested it to document this a tiny bit better
    • Cleaned up some unecessary config fields
    • Fixed some indentation
    opened by Luke-Sikina 0
  • Switch from Spring Initializer to DynamicPropertySource

    Switch from Spring Initializer to DynamicPropertySource

    • Passing the testcontainer db connection info from the container to Spring was messy (nested class, code didn't explain itself well)
    • Switched from using an initializer class to using @DynamicPropertySource
    • Makes code intent a bit clearer, lowers test complexity a bit.
    opened by Luke-Sikina 0
Owner
Luke Sikina
Luke Sikina
GitHub
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