kotlin-testing

Guide Kotlin testing with Kotest, MockK, and coroutine patterns.

Updated Apr 13, 2026
One-click install
npx skills add https://github.com/sakamoto-family-smile/agent_monorepo --skill kotlin-testing-sakamoto-family-smile
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: kotlin-testing
Source: https://github.com/sakamoto-family-smile/agent_monorepo/tree/main/.claude/skills/ecc/kotlin-testing
Command: npx skills add https://github.com/sakamoto-family-smile/agent_monorepo --skill kotlin-testing-sakamoto-family-smile

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Kotlin projects often struggle with consistent testing patterns across unit, integration, and coroutine-based code. This guide consolidates practical Kotlin testing patterns using Kotest and MockK to improve reliability and maintainability.

Core Features & Use Cases

  • Comprehensive Kotest spec styles (StringSpec, FunSpec, BehaviorSpec, DescribeSpec) and MockK mocking techniques for suspending functions.
  • Testing coroutines, flows, and property-based scenarios, with guidance on test structure, fixtures, and verification.
  • Use Case: Apply these patterns across a Kotlin project to achieve TDD workflows and high test coverage with readable, maintainable tests.

Quick Start

Run a sample Kotest suite to validate your Kotlin project's testing patterns.

Frequently Asked Questions about kotlin-testing

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

FAQPage Schema
How do I test Kotlin coroutines and suspending functions with MockK?

You test Kotlin coroutines and suspending functions with MockK by applying specific mocking techniques tailored for suspending calls. This guide provides structured patterns and code snippets to verify coroutine flows and suspending function behavior reliably.

What is the best way to structure Kotlin tests using Kotest spec styles?

The best way to structure Kotlin tests using Kotest is by selecting the appropriate spec style for your project. This guide covers StringSpec, FunSpec, BehaviorSpec, and DescribeSpec configurations, offering practical patterns for readable and maintainable test structures.

Does this Kotlin testing guide support property-based testing?

Yes, this Kotlin testing guide supports property-based testing scenarios. It provides structured guidance on testing property-based scenarios, helping you implement robust TDD workflows and verify code behavior across a wide range of generated input cases.

How do I measure Kotlin code coverage with Kover?

You measure Kotlin code coverage with Kover by applying the configuration steps provided in this guide. It helps integrate Kover into your testing workflow, resulting in high code coverage enhancements across your unit and integration test suites.

Can I use these testing patterns for TDD workflows in Kotlin?

Yes, you can use these testing patterns for TDD workflows in Kotlin. The guide is specifically applied to Kotlin projects seeking TDD workflows, consolidating Kotest and MockK patterns to achieve reliable, test-driven development outcomes.