[Kotest] extensions

SpecListener

import io.kotest.core.listeners.AfterSpecListener
import io.kotest.core.listeners.BeforeSpecListener
import io.kotest.core.spec.Spec

class SpecListener : BeforeSpecListener, AfterSpecListener {
    override suspend fun beforeSpec(spec: Spec) {
        println("beforeSpec")
    }

    override suspend fun afterSpec(spec: Spec) {
        println("afterSpec")
    }
}

import io.kotest.core.spec.style.StringSpec

class MyTests : StringSpec({
    extension(SpecListener())

    "test" {
        println("test")
    }
})

beforeSpec
test
afterSpec

TestListener

import io.kotest.core.listeners.AfterTestListener
import io.kotest.core.listeners.BeforeTestListener
import io.kotest.core.test.TestCase
import io.kotest.core.test.TestResult

object TimerListener : BeforeTestListener, AfterTestListener {
    private var started = 0L

    override suspend fun beforeTest(testCase: TestCase) {
        started = System.currentTimeMillis()
    }

    override suspend fun afterTest(testCase: TestCase, result: TestResult) {
        println("Duration = ${System.currentTimeMillis() - started}ms")
    }
}

import io.kotest.core.spec.style.StringSpec

class MyTests : StringSpec({
    extension(TimerListener)

    "test" {
        println("test")
    }
})

test
Duration = 19ms