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ScalaTest

Basic Setup (Scala 3.0/ScalaTest 3.2)​

Solution​

def add(a: Int, b: Int) = a + b
def add(a: Int, b: Int) = a + b

Tests​

import org.scalatest.flatspec._
import org.scalatest.matchers.should._

class AdderSpec extends AnyFlatSpec with Matchers {
  "add(1, 2)" should "be 3" in {
    add(1, 2) shouldBe (3)
  }
}
import org.scalatest.flatspec._
import org.scalatest.matchers.should._

class AdderSpec extends AnyFlatSpec with Matchers {
  "add(1, 2)" should "be 3" in {
    add(1, 2) shouldBe (3)
  }
}

Basic Setup (Scala 2.13/ScalaTest 3.0)​

warning

Scala 3 should be used for new content

Solution​

object Adder {
  def add(a: Int, b: Int) = a + b
}
object Adder {
  def add(a: Int, b: Int) = a + b
}

Tests​

import org.scalatest._

class AdderSpec extends FlatSpec with Matchers {
  behavior of "Adder.add"

  it should "add two numbers" in {
    Adder.add(1, 2) should equal (3)
  }
}
import org.scalatest._

class AdderSpec extends FlatSpec with Matchers {
  behavior of "Adder.add"

  it should "add two numbers" in {
    Adder.add(1, 2) should equal (3)
  }
}