No. 12 of 32 ·Unit Testing Frameworks

MockK

Android

Freedom report

One barScore 5.4

MockK is ranked #12 of 32 in unit testing frameworks on Freedom251. It runs on Android.

Compared on unit testing frameworks

Purpose: MockK describes itself as a mocking library for Kotlin.
Setup: The site provides Gradle and Maven test dependency examples for MockK.
Mock behavior: Mocks are strict by default and require behavior to be provided.
BDD: Optional BDD-style aliases include given, then, coGiven, and coThen.
Framework support: The site links to SpringMockK and Quarkus-MockK support.
Kotlin compatibility: The site says MockK supports Kotlin 1.4 and higher from version 1.13.0.
Test integrations: The documentation describes JUnit 4 rule support and a JUnit 5 extension.
Coroutines: MockK supports stubbing and verifying suspend functions with coroutine-specific APIs such as coEvery and coVerify.
Mocking features: Documented features include spies, relaxed mocks, partial mocking, object mocks, class mocks, and constructor mocks.
Known limitation: Inline functions cannot be mocked, according to the site's known issues section.
Known issue: The site notes that spies and mockkStatic may fail on JDK 16 and later with access exceptions.
Security-related feature: Restricted Mocking can prevent mocking classes considered problematic for reliable tests, and the documentation lists several Java system and collection classes restricted by default.
Support: The site directs users to Stack Overflow or Gitter for questions and to GitHub for bug reports.
License: The linked public GitHub repository identifies its license as Apache-2.0.

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