generator-jhipster-testcontainers

A Jhipster module to run integration tests with java Testcontainers

Introduction

This is a JHipster module to run Jhipster @SpringBootTest tests against on production database. A database container will automatically boot during the test startup phase.

Usage

npm install -g generator-jhipster-testcontainers

Run the module from your jhipster project folder:

yo jhipster-testcontainers

Run tests with the testcontainers spring profile

# maven 
./mvnw verify -Dspring.profiles.active=testcontainers
 
# gradle 
./gradlew integrationTest -Ptestcontainers

Example with mysql:

🐳 [mysql:8.0.19]                        : Creating container for image: mysql:8.0.19
🐳 [mysql:8.0.19]                        : Starting container with ID: ce2bc59ebbd1e02d0cffa6f04fca43a10c516818a2d8be90720f833a639151b6
🐳 [mysql:8.0.19]                        : Container mysql:8.0.19 is starting: ce2bc59ebbd1e02d0cffa6f04fca43a10c516818a2d8be90720f833a639151b6
🐳 [mysql:8.0.19]                        : Waiting for database connection to become available at jdbc:mysql://localhost:32770/academydb using query 'SELECT 1' 
🐳 [mysql:8.0.19]                        : Container is started (JDBC URL: jdbc:mysql://localhost:32770/testdb) 
🐳 [mysql:8.0.19]                        : Container mysql:8.0.19 started in PT17.8709687S
com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Start completed.

IMPORTANT: H2 will still be the default option, use testcontainers profile to test using testcontainers.

How it works

As for testcontainers documentation:

As long as you have Testcontainers and the appropriate JDBC driver on your classpath, you can simply modify regular JDBC connection URLs to get a fresh containerized instance of the database each time your application starts up.

This module simply adds a properties file in your test resources: application-testcontainers.yml and uses it when launching tests with testcontainers profile.

This is how mysql properties look like.

spring.datasource.driver-class-name=org.testcontainers.jdbc.ContainerDatabaseDriver
spring.datasource.url=jdbc:tc:mysql:8.0.19://hostname/testdb

Additional steps

Mysql, Postgres, Mariadb

No additional steps required

SQL Server

Due to licencing restrictions you are required to accept an EULA for this container image. To indicate that you accept the MS SQL Server image EULA, place a file at the root of the classpath named container-license-acceptance.txt, e.g. at src/test/resources/container-license-acceptance.txt. This file should contain the line:

mcr.microsoft.com/mssql/server:latest

Oracle

Modify the file testcontainers.properties, containing oracle.container.image=IMAGE, where IMAGE is a suitable image name and tag.

License

Apache-2.0 © Intesys Srl