KotlinMockitoTest.kt

import be.vergauwen.simon.mockito1_kotlin.any
import be.vergauwen.simon.mockito1_kotlin.doNothing
import be.vergauwen.simon.mockito1_kotlin.spy
import be.vergauwen.simon.mockito1_kotlin.whenever
import org.junit.Test

class KotlinMockitoTest {
    @Test
    fun test() {
        val spy = spy<TestInterface>(TestClass())
        doNothing()
            .whenever(spy).call(any())

        spy.call(TestClass())
    }

    interface TestInterface {
        fun call(obj: TestInterface)
    }

    open class TestClass : TestInterface {
        override fun call(obj: TestInterface) {
            TODO()
        }
    }
}