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Fabio29T
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springboot-tdd

Guide Spring Boot TDD workflows with JUnit 5, Mockito, MockMvc, Testcontainers, and JaCoCo.

Updated Mar 4, 2026
Search Tags:#tdd#code coverage#spring boot#testcontainers#mockito#junit 5
One-click install
npx skills add https://github.com/Fabio29T/Everything-Claude --skill springboot-tdd-fabio29t
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: springboot-tdd
Source: https://github.com/Fabio29T/Everything-Claude/tree/main/docs/ja-JP/skills/springboot-tdd
Command: npx skills add https://github.com/Fabio29T/Everything-Claude --skill springboot-tdd-fabio29t

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides a comprehensive guide and workflow for implementing Test-Driven Development (TDD) specifically for Spring Boot applications, ensuring robust and well-tested code.

Core Features & Use Cases

  • TDD Workflow Guidance: Outlines a step-by-step process for writing tests before implementation.
  • Testing Strategies: Covers unit testing (JUnit 5, Mockito), web layer testing (MockMvc), integration testing (SpringBootTest), and persistence testing (DataJpaTest).
  • Tool Integration: Demonstrates the use of Testcontainers for environment replication and JaCoCo for code coverage.
  • Use Case: When developing a new REST endpoint for a Spring Boot microservice, use this Skill to guide the creation of unit, integration, and persistence tests to ensure the endpoint functions correctly and meets coverage requirements.

Quick Start

Follow the Spring Boot TDD workflow to write a failing unit test for a new feature, then implement the minimal code to pass the test.

Frequently Asked Questions about springboot-tdd

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

FAQPage Schema
How do I apply a Test-Driven Development workflow to a Spring Boot application?▼

A Spring Boot TDD workflow involves writing a failing test for a new feature first, then implementing the minimal code required to pass it. This Skill guides that process using JUnit 5, Mockito, and MockMvc across unit, web, and integration layers.

What is the best way to test a Spring Boot REST endpoint using MockMvc and JUnit 5?▼

Testing a Spring Boot REST endpoint with MockMvc and JUnit 5 involves isolating the web layer to verify HTTP request and response mappings. This Skill outlines the strategy for writing these web layer tests before implementing the controller logic.

How do I use Testcontainers for Spring Boot integration and persistence testing?▼

Testcontainers enables Spring Boot integration and persistence testing by spinning up lightweight, disposable database environments. This Skill demonstrates using Testcontainers with DataJpaTest to validate database interactions without requiring a persistent external database.

How can I achieve over 80% code coverage in Spring Boot using JaCoCo?▼

Achieving over 80% code coverage in Spring Boot using JaCoCo requires comprehensive unit, web, and integration tests. This Skill facilitates reaching that threshold by providing testing strategies that cover service, controller, and persistence layers.

Does Spring Boot TDD require separate tests for unit, integration, and persistence layers?▼

Spring Boot TDD requires separate tests for unit, integration, and persistence layers to ensure isolated logic verification. This Skill covers using Mockito for units, SpringBootTest for integration, and DataJpaTest for persistence.

When should I use Mockito vs Testcontainers in a Spring Boot testing strategy?▼

Use Mockito for mocking dependencies in fast unit tests and Testcontainers for real environment replication in integration tests. This Skill distinguishes when to apply each tool within the Spring Boot TDD workflow to maximize test reliability.

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