controller-testing

Name: controller-testing
Availability: InStock
Author: smile95137a

Automate Spring Boot controller tests with MockMvc, JUnit 5, and Mockito.

Updated Dec 24, 2025

Search Tags:#controller #spring-boot #mockmvc #junit5 #mockito #webmvc-test

Ready to run

npx skills add https://github.com/smile95137a/kuji-client --skill controller-testing

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: controller-testing
Source: https://github.com/smile95137a/kuji-client/tree/main/.github%20copy/skills/controller-testing
Command: npx skills add https://github.com/smile95137a/kuji-client --skill controller-testing

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Tests for Spring Boot controllers to guarantee CRUD API behavior, input validation, and reliable CI-ready test suites using MockMvc, JUnit 5, and Mockito.

Core Features & Use Cases

Uses @WebMvcTest with MockMvc to validate controller endpoints without a real database.
Covers all CRUD operations, validation errors, and "not found" scenarios with deterministic tests.
Facilitates CI integration by providing repeatable, isolated tests and clear naming conventions.

Quick Start

Run the controller test suite in your CI pipeline to verify coverage.

Frequently Asked Questions about controller-testing

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

FAQPage Schema

How do I test Spring Boot controllers without a real database?▼

You can test Spring Boot controllers without a real database by using @WebMvcTest with MockMvc to slice the web layer and Mockito to mock service dependencies, ensuring fully deterministic and isolated endpoint tests.

How do I write JUnit 5 tests for CRUD API validation and not found scenarios?▼

Writing JUnit 5 tests for CRUD API validation involves using MockMvc to simulate HTTP requests and assert status codes, response bodies, and error messages for invalid inputs and not found edge cases.

Does @WebMvcTest support CI-ready test suites for Spring Boot applications?▼

Yes, @WebMvcTest supports CI-ready test suites by providing repeatable, isolated tests with clear naming conventions that verify API correctness without relying on external database infrastructure during pipeline execution.

What is the best way to verify status codes and error messages in Spring Boot APIs?▼

The best way to verify status codes and error messages is using MockMvc to perform requests and assert exact HTTP responses, combined with JUnit 5 and Mockito to validate controller behavior deterministically.

Can I use Mockito to mock dependencies when testing Spring Boot web layers?▼

Yes, you can use Mockito to mock service dependencies when testing Spring Boot web layers with @WebMvcTest, ensuring controller tests remain isolated and fully deterministic without requiring real database connections.