I have this example class

class Foo extends Parent {
  final override protected def test(): String = "hello world"
}

As it is now, I am unable to call this method directly within my unit test. I am using Mockito and from what I've read so far, I either need to

• remove the final so I can extend and override the access modifier (turn protected to private[package]) with another child class (Bar extends Foo)
• update the Foo class to be private[package].

Neither options are desirable. Is there a way to keep the signature while still exposing the method to be unit testable?

CodePudding user response：

You can make test indirectly accessible by extending Foo in the test with a subclass declaring a public method that calls test.

You didn't mention which test execution framework you're using, but here's an example using ScalaTest with the FlatSpec style:

import org.scalatest.flatspec.AnyFlatSpec

class FooSpec extends AnyFlatSpec {
  class TestingFoo extends Foo {
    def accessibleTest: String = test
  }
  it should "say hello" in {
    assert(new TestingFoo().accessibleTest == "hello world")
  }
}

The overall approach would be similar with other testing frameworks.