Parallel test execution workshop

This repository contains code and instructions used in parallel execution workshop. Examples are based on parallel execution feature for Spock, but concepts shown here can be used with other testing frameworks (JVM or non-JVM).

Table of contents

1. Introduction to parallel execution in Spock

1.1 Shared state

1.2 From sequential to parallel execution

2. Refactoring integration tests in an example service

2.1 REST service with a database

2.2 REST service with a REST dependency

2.3 REST service with a message broker

3. Measuring test execution time

4. Summary

Requirements (to build/run this project)

JDK 17
Docker

Sample applications and tests are written using:

Spring + Spring Boot
MongoDB
Java Client for Hermes
Spock
Testcontainers
WireMock
Hermes Mock
tests-execution-chart Gradle plugin (tests execution schedule visualization)