• 4 min read

Roboelectric meets TestBalloon

GenAI said it would be impossible:

This integration is not feasible with the current TestBalloon architecture without significant changes to the compiler plugin or framework core.

Yet here it is – no significant changes, just an integration built with the public TestBalloon API.

So what do we have?

Roboelectric brings fast, reliable and configurable Android tests to the JVM. It lets us operate close to the real device without waiting for dexing, packaging, installing and emulator start-up.

TestBalloon adds easily parameterized tests, nested test suites, test fixtures, and a Roboelectric environment that can be fully configured in plain Kotlin, using a DSL, avoiding the restrictions of annotations.

  • 1 min read

Lifting Kotlin testing: Comparing JUnit, Kotlin-test, Kotest, Prepared and TestBalloon

Published on June 17, 2025 by Ivan “CLOVIS” Canet

Ivan compares several aspects of current Kotlin test frameworks in great detail and concludes:

Quote

With the recent birth of TestBalloon, we can see that there is still a lot of innovating in the space of test frameworks. Even after JUnit's dominance in the JVM ecosystem, we can still make tests easier to write and maintain. Kotlin makes possible patterns that we couldn't dream of in the Java world.

Read the full article (external site).