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spring-boot-testing

Implement Spring Boot tests with JUnit 5, Testcontainers, and related tools.

11|1|Updated Feb 9, 2026
Search Tags:#testing#security#contract-testing#spring-boot#testcontainers#mockmvc#junit5
One-click install
npx skills add https://github.com/mindcockpit-ai/cognitive-core --skill spring-boot-testing-mindcockpit-ai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: spring-boot-testing
Source: https://github.com/mindcockpit-ai/cognitive-core/tree/main/language-packs/spring-boot/skills/spring-boot-testing
Command: npx skills add https://github.com/mindcockpit-ai/cognitive-core --skill spring-boot-testing-mindcockpit-ai

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Testing Spring Boot applications involves many layers—unit, slice, integration, security, and contract testing—each requiring specific annotations and tools. This Skill consolidates best‑practice patterns to streamline the creation of reliable, maintainable tests.

Core Features & Use Cases

  • Unified testing stack: Guidance for JUnit 5, Mockito, Testcontainers, WireMock, and JaCoCo.
  • Test slices: Ready‑to‑use examples for @WebMvcTest, @DataJpaTest, @WebFluxTest, and other slice annotations.
  • Security testing: Strategies with @WithMockUser, JWT mocking, and Spring Security test utilities.
  • Contract testing: Templates for Spring Cloud Contract producer and consumer tests.
  • Real service integration: Instructions for @ServiceConnection and shared Testcontainers patterns.

Quick Start

Invoke the spring-boot-testing skill to receive ready-made test examples for a Spring Boot project.

Frequently Asked Questions about spring-boot-testing

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

FAQPage Schema
How do I test Spring Boot slices like @WebMvcTest and @DataJpaTest?▼

Spring Boot slice testing isolates web or persistence layers using @WebMvcTest and @DataJpaTest annotations, allowing you to test controllers and repositories without loading the full application context.

How do I set up Testcontainers with @ServiceConnection in Spring Boot?▼

Testcontainers integration in Spring Boot uses @ServiceConnection to automatically configure and manage real Docker container dependencies, providing isolated integration test environments for databases and services.

What's the best way to mock Spring Security authentication in tests?▼

Spring Security testing uses @WithMockUser and JWT mocking utilities to simulate authenticated users, enabling you to test secured endpoints without performing real authentication flows.

Can I use WireMock for contract testing in Spring Boot?▼

WireMock integrates with Spring Cloud Contract to create producer and consumer contract tests, ensuring API compatibility between microservices by stubbing external HTTP interactions.

Does Spring Boot testing support JUnit 5 and Mockito together?▼

Spring Boot testing fully supports JUnit 5 and Mockito, providing a unified testing stack to write maintainable unit tests by mocking dependencies and leveraging JUnit 5 extensions.

How do I measure test coverage with JaCoCo in a Spring Boot project?▼

JaCoCo integrates into Spring Boot testing workflows to generate detailed code coverage reports, measuring which lines of code are executed by your JUnit 5 and integration tests.

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