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springboot-tdd

Automate TDD guidance for Spring Boot services with JUnit 5, Mockito, MockMvc, Testcontainers, and JaCoCo.

6|Updated Mar 25, 2023
Search Tags:#tdd#unit-testing#spring-boot#testcontainers#mockmvc#junit5#mockito
One-click install
npx skills add https://github.com/songkg7/dotfiles --skill springboot-tdd-songkg7
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: springboot-tdd
Source: https://github.com/songkg7/dotfiles/tree/main/dot_claude/skills/springboot-tdd
Command: npx skills add https://github.com/songkg7/dotfiles --skill springboot-tdd-songkg7

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Spring Boot applications often struggle with maintainable code as projects grow. This Skill provides a structured approach to Test-Driven Development (TDD) for Spring Boot, guiding teams to write tests first and code second to achieve robust, well-tested services.

Core Features & Use Cases

  • TDD workflow: Write failing tests, implement minimal functionality to pass, and refactor with confidence.
  • Comprehensive test coverage guidance: Includes unit tests (JUnit 5 + Mockito), web layer tests (MockMvc), integration tests, and testcontainers patterns to mirror production.
  • Use Case: When adding new endpoints or refactoring services, apply this Skill to maintain high test quality and quicker feedback cycles.

Quick Start

Initialize or open a Spring Boot project, add JUnit 5, Mockito, MockMvc, Testcontainers, and JaCoCo dependencies, and begin with a failing unit test for a small service, then implement code to pass and iterate toward high coverage.

Frequently Asked Questions about springboot-tdd

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

FAQPage Schema
How do I apply TDD when building or refactoring Spring Boot services?▼

To apply TDD to Spring Boot services, write a failing test first, implement minimal code to pass it, then refactor. This Skill automates that TDD guidance using JUnit 5, Mockito, MockMvc, and Testcontainers for fast, reliable feedback.

What's the best way to structure unit and integration tests in a Spring Boot application?▼

Structure Spring Boot tests by isolating units with JUnit 5 and Mockito, validating web layers with MockMvc, and running integration tests with Testcontainers to mirror production environments, ensuring high test coverage and quick feedback cycles.

Can I use Testcontainers with MockMvc for Spring Boot web layer testing?▼

Yes, you can combine Testcontainers and MockMvc in Spring Boot. Use MockMvc for web layer tests and Testcontainers for integration tests to mirror production, achieving reliable, fast feedback and high test coverage across JVM environments.

Do I need JaCoCo and JUnit 5 to maintain high test coverage in Spring Boot?▼

You need JUnit 5 for writing tests and JaCoCo for measuring coverage in Spring Boot. Together with Mockito and Testcontainers, they satisfy requirements for reliable, fast feedback and high test coverage during service development and refactoring.

Why does my Spring Boot TDD workflow slow down as the project grows?▼

Spring Boot TDD workflows slow down without structured testing. Automating TDD guidance with isolated unit tests, MockMvc for web layers, and Testcontainers for integration tests maintains quick feedback cycles and high code quality as projects grow.

When do I need Testcontainers for Spring Boot integration tests?▼

You need Testcontainers for Spring Boot integration tests when you must mirror production environments closely. It provides reliable, fast feedback by spinning up real dependencies during JVM integration testing alongside JUnit 5 and Mockito unit tests.

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