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springboot-tdd

Enable test-driven development for Spring Boot applications with JUnit 5, Mockito, and JaCoCo.

1|Updated Mar 20, 2024
Search Tags:#tdd#unit-testing#spring-boot#testcontainers#mockmvc#mockito
One-click install
npx skills add https://github.com/flag3/dotfiles --skill springboot-tdd
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: springboot-tdd
Source: https://github.com/flag3/dotfiles/tree/main/.claude/skills/springboot-tdd
Command: npx skills add https://github.com/flag3/dotfiles --skill springboot-tdd

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill enables test-driven development for Spring Boot applications using JUnit 5, Mockito, MockMvc, Testcontainers, and JaCoCo.

Core Features & Use Cases

  • Structured TDD guidance for Spring Boot services, including unit and integration test patterns.
  • Web layer testing with MockMvc examples and controller interaction scenarios.
  • Coverage and quality practices leveraging JaCoCo to enforce test discipline across modules.

Quick Start

Use the springboot-tdd skill to scaffold and run a starter test suite against a sample Spring Boot project.

Frequently Asked Questions about springboot-tdd

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

FAQPage Schema
How do I write tests for Spring Boot applications using test-driven development?▼

Test-driven development for Spring Boot uses JUnit 5, Mockito, and MockMvc to write unit and integration tests before implementation. This skill provides structured patterns for testing service, web, and persistence layers, ensuring tests drive feature design and maintain high coverage targets with JaCoCo enforcement.

Can I test Spring Boot controllers and HTTP endpoints with MockMvc?▼

MockMvc enables testing Spring Boot web controllers without starting a server. This skill covers controller interaction scenarios and request/response validation, letting you verify endpoints deterministically as part of your TDD workflow.

How do I test database interactions in Spring Boot with Testcontainers?▼

Testcontainers runs real database instances in Docker during tests, replacing mocks for integration testing. This skill shows how to use Testcontainers for persistence layer testing in Spring Boot, ensuring deterministic tests that validate actual database behavior.

What's the best way to measure test coverage in Spring Boot projects?▼

JaCoCo tracks code coverage across your Spring Boot modules, enforcing coverage targets to maintain test discipline. This skill integrates JaCoCo into your TDD workflow to quantify which code paths are tested and identify gaps.

How do I mock dependencies in Spring Boot unit tests?▼

Mockito creates mock objects to isolate units under test from their dependencies. This skill uses Mockito patterns for Spring Boot services and components, enabling fast unit tests that verify behavior without external calls.

Can I use TDD for bug fixes and refactoring in Spring Boot, or only new features?▼

TDD applies to bug fixes and refactoring as well as new features. This skill covers test scenarios for all three: writing tests that expose bugs, adding tests before refactoring code, and validating changes with deterministic test suites across all layers.

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