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kotlin-testing

Generate Kotest specs with MockK mocking and Kover coverage for Kotlin projects.

2|Updated Mar 20, 2026
Search Tags:#tdd#unit-testing#kotlin#coroutines#mockk#kotest#kover
One-click install
npx skills add https://github.com/multiplex-ai/muggle-ai-teams --skill kotlin-testing-multiplex-ai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: kotlin-testing
Source: https://github.com/multiplex-ai/muggle-ai-teams/tree/main/skills/kotlin-testing
Command: npx skills add https://github.com/multiplex-ai/muggle-ai-teams --skill kotlin-testing-multiplex-ai

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Kotlin projects often struggle to implement robust, maintainable tests that cover asynchronous workflows, mocks, and edge cases. This Skill provides practical testing patterns and examples to streamline writing tests with Kotest, MockK, and Kotlin coroutines.

Core Features & Use Cases

  • Kotest spec styles: StringSpec, FunSpec, BehaviorSpec, DescribeSpec for flexible test organization.
  • Mocking & coroutines: Using MockK for mocking suspend functions and coroutine-based tests.
  • Property-based & data-driven testing: Examples showing property checks and generator-based tests.
  • Test lifecycle & coverage: Guidance for test lifecycles, run configurations, and Kover coverage configuration.
  • Adopt TDD workflow: Step-by-step workflow examples from RED to GREEN to REFACTOR.

Quick Start

Begin by applying these Kotlin testing patterns to write Kotest specs, mock dependencies with MockK, and measure coverage with Kover.

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 with MockK suspend functions?▼

MockK supports mocking Kotlin coroutines by allowing you to mock suspend functions directly in your tests. This Skill provides runnable examples of setting up MockK to verify asynchronous behavior in coroutine-based workflows.

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

Kotest offers flexible test organization through StringSpec, FunSpec, BehaviorSpec, and DescribeSpec styles. This Skill provides established patterns to help you structure clear, maintainable unit and integration tests across your team.

How do I configure Kover for Kotlin code coverage?▼

Kover measures Kotlin code coverage by instrumenting bytecode during test execution. This Skill includes guidance on configuring Kover run configurations and test lifecycles to accurately track and report your coverage metrics.

Can I use a TDD workflow with Kotlin testing patterns?▼

Yes, this Skill enforces a guided TDD workflow with step-by-step examples. It walks through the RED to GREEN to REFACTOR cycle using Kotest and MockK to ensure reliable, test-driven development.

Does Kotest work with property-based and data-driven testing in Kotlin?▼

Kotest supports property-based testing through built-in generators that feed arbitrary data into your test cases. This Skill demonstrates how to implement these property checks for comprehensive edge-case validation.

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