A presentation at Workshop Testcontainers with Spring Boot in in Utrecht, Netherlands by Bas Stoker
Workshop Testcontainers
Schedule • Current state of testing • Testcontainers •🧪 Lab 1 •🧪 Lab 2 •🧪 Lab 3 introduction
Your test is called what?!
https://martinfowler.com/bliki/TestPyramid.html
https://martinfowler.com/bliki/TestPyramid.html
“Write tests. Not too many. Mostly integration.” https://kentcdodds.com/blog/write-tests
“You’re probably mocking too much.” https://medium.com/extreme-programming/testsdependencies-65f592a46529
Testcontainers
Testcontainers Docker
“Docker is a great abstraction”
🧪 Our Demo App • Java • Uses • Uses 17 & Spring boot a database (PostgreSQL) Keycloak for authentication • There is frontend available • Available as a Docker Image purposes for demo
🧪 Lab 1. • Goal: run the app • App consists of 4 • Database • Keycloak • Backend • User Interface manually (using Docker) parts:
🧪Lab 1.
🧪Lab 1.
🧪Lab 1.
🧪Lab 1.
🧪Lab 1.
Food :-)
🧪 Lab 2. • Goal: Test database access layer • Using JUnit test lifecycle • Using PostgreSQL Testcontainer • Using Spring Injection of properties dynamically
🧪 Lab 2.
🧪Lab Hint: 2. datasource-url wordt ook wel JDBC-url genoemd soms 😄
🧪Lab 2. • Solution • Extra nice things: - convenience annotations • Questions
🧪 Lab 3. • Goal: • With • Happy Test entire app using Testcontainers enabled authentication Duck, eh, Bug hunt!
🧪Lab 3.
Bedankt voor jullie aanwezigheid!
Hands-on workshop with Testcontainers for Java, Spring Boot, jOOQ, PostgreSQL and Keycloak.
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