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unit-test-application-events

Test Spring Boot application events with JUnit 5 and Mockito.

Updated Mar 2, 2026
Search Tags:#testing#event-driven#junit#spring#listeners#publishers
One-click install
npx skills add https://github.com/MassimilianoPili/claude-code-config --skill unit-test-application-events-massimilianopili
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: unit-test-application-events
Source: https://github.com/MassimilianoPili/claude-code-config/tree/main/skills/unit-test-application-events
Command: npx skills add https://github.com/MassimilianoPili/claude-code-config --skill unit-test-application-events-massimilianopili

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill streamlines the testing of event-driven architectures within Spring Boot applications, ensuring that event publishing, listening, and asynchronous handling function correctly without requiring a full application context startup.

Core Features & Use Cases

  • Event Publishing Verification: Test that ApplicationEventPublisher correctly dispatches custom events.
  • Listener Logic Testing: Validate the behavior of @EventListener methods, including side effects and error handling.
  • Asynchronous Event Handling: Verify that @Async event listeners process events correctly in separate threads.
  • Use Case: When developing a microservice that relies on events for inter-component communication, use this Skill to write fast, isolated tests for your event publishing and listening mechanisms.

Quick Start

Use the unit-test-application-events skill to test the publishing of a UserCreatedEvent from a UserService.

Frequently Asked Questions about unit-test-application-events

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I unit test Spring application events without starting the full application context?▼

You can unit test Spring application events by using this Skill to verify ApplicationEventPublisher publishing and @EventListener handling in isolation with JUnit 5 and Mockito, avoiding full context startup.

Can I test asynchronous @Async event listeners in Spring Boot?▼

Yes, testing asynchronous @Async event listeners is supported. This Skill allows you to verify that asynchronous event listeners process events correctly in separate threads within your Spring Boot application.

What is the best way to verify event-driven workflows in Spring microservices?▼

The best way to verify event-driven workflows is by writing isolated tests for event publishing and listening mechanisms. This Skill validates synchronous, asynchronous, and conditional event listeners without requiring a full context startup.

How does conditional event listener testing work in Spring Boot?▼

Conditional event listener testing works by validating the behavior of @EventListener methods, including side effects and error handling, ensuring that specific conditions trigger the correct event processing logic.

Do I need JUnit 5 and Mockito to test Spring Boot ApplicationEventPublisher?▼

Yes, JUnit 5 and Mockito are the required frameworks. This Skill facilitates the isolated testing of ApplicationEventPublisher dispatching and event listener behavior using these specific testing libraries.

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