Kotest

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About

Kotest is ranked #8 of 31 in unit Testing Frameworks on Inferse. It runs on Android, iOS, Linux, macOS, Web, Windows. There is a free plan.

Compared on unit Testing Frameworks

Free plan: Yeskotest.io
Supported languages: Kotlinkotest.io
Built-in mocks: Nokotest.io
Parameterized cases: Yeskotest.io
Parallel execution: Yeskotest.io
Snapshot testing: Yeskotest.io
Property-based checks: Yeskotest.io

Facts

What it does: Kotest is a multiplatform Kotlin testing framework with assertions, property testing and expressive test styles.kotest.io · 2 Oct 2026
Test styles: The framework offers multiple test styles, including natural language test names and unlimited nesting.kotest.io · 2 Oct 2026
Test execution: Its DSL supports parameterized and data driven tests, conditional evaluation, lifecycle callbacks and parallelism.kotest.io · 2 Oct 2026
Assertions: Kotest provides over 350 matchers, plus collection inspectors, soft assertions and utilities for non-deterministic code.kotest.io · 2 Oct 2026
Property testing: Property tests can generate hundreds or thousands of inputs, and the property testing framework is supported on all targets.kotest.io · 2 Oct 2026
Platform support: The site lists JVM, JavaScript, Native targets including Linux, Windows, iOS and macOS, Wasm, and Android unit and instrumented tests.kotest.io · 2 Oct 2026
Build support: The quick start gives setup instructions for Gradle, Maven and Kotlin Multiplatform projects.kotest.io · 2 Oct 2026
Integrations: Documented integrations include Spring, Koin, Ktor, Allure, Testcontainers, WireMock and Micronaut.kotest.io · 2 Oct 2026
IDE support: The Kotest IntelliJ plugin provides test run icons, results in the editor, a test explorer, structure highlighting and breadcrumbs.kotest.io · 2 Oct 2026
Support: The project links to community support on Slack, GitHub and Stack Overflow.kotest.io · 2 Oct 2026
Use with other frameworks: The assertions library can be used with Kotest or another test framework such as JUnit or Spock.kotest.io · 2 Oct 2026
Security and compliance: The opened Kotest pages do not state security certifications or compliance claims.kotest.io · 2 Oct 2026
Audience: Kotest is intended for Kotlin projects that need testing on JVM and Kotlin Multiplatform targets.kotest.io · 2 Oct 2026