Kotest External Extensions
Kotest integrates with many other libraries and frameworks. Some are provided by the Kotest team, while others are maintained and hosted by third parties.
The extensions introduced here are separate library-based extensions, distinct from the Listeners included in io.kotest.core and described in the framework section.
Kotest Team Extensions
| Project | Description |
|---|---|
| Allure | Provides output for the Allure framework. |
| HTML Reporter | Generates an HTML report of test results based on JUnit XML. |
| Instant | Overrides the now context in java.time. |
| JUnit XML | Provides output in JUnit XML format for integration with tools. |
| Ktor | Provides matchers for Ktor endpoints. |
| Koin | Kotlin DI framework. |
| Mockserver | Integrates a mock HTTP server with the test lifecycle. |
| Spring | Adds support for Spring beans in tests and Spring test annotations. |
| System | Provides utilities for integration with System.* functions. |
| Testcontainers | Runs Docker images as part of the test lifecycle. |
| Wiremock | Provides an HTTP server. See the project homepage here. |
Third Party Extensions
| Project | Description |
|---|---|
| Android | Toolbox for working with Kotest and Android. |
| FluentLenium | Integration between Kotest and FluentLenium. |
| H2 Database Extension | Integration between Kotest and the H2 database. |
| Http4k | Feature toolkit for Kotlin HTTP applications. |
| Kotless | Utilities for Kotest and Kotless. |
| KotlinFixture | Generates well-defined but random inputs by default. |
| LogCapture | Test library for asserting logging messages. |
| Micronaut | JVM-based full-stack Micronaut framework for building modular microservices that are easy to test. |
| Result4s | Result4s matchers. |
| Selfie | Self snapshot testing, including inline, disk, and memoized snapshots. |
| Sniffy | Network connection testing. |
| TestFiles | Structured file and directory creation for tests. |