ScalaTest User Guide

Getting started

Selecting testing styles

Defining base classes

Writing your first test

Using assertions

Tagging your tests

Running your tests

Sharing fixtures

Sharing tests

Using matchers

Testing with mock objects

Property-based testing

Asynchronous testing

Using Scala-js

Using Inside

Using OptionValues

Using EitherValues

Using PartialFunctionValues

Using PrivateMethodTester

Using WrapWith

Philosophy and design

Migrating to 3.0

Using `JUnitRunner`

ScalaTest + JUnit includes a JUnit Runner that knows how to run any ScalaTest Suite. This enables you to provide a JUnit RunWith annotation on any ScalaTest Suite. Here's an example:

import org.junit.runner.RunWith
import org.scalatestplus.junit.JUnitRunner
import org.scalatest.funsuite.AnyFunSuite

@RunWith(classOf[JUnitRunner])
class ExampleSuite extends AnyFunSuite {
  // ...
}

This RunWith annotation will enable the ExampleSuite class to be run by JUnit 4.

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Using JUnitRunner

Using `JUnitRunner`