kodein_compare.kt

package com.neworldwar

import com.neworldwar.utils.Random
import org.junit.jupiter.api.BeforeAll
import org.junit.jupiter.api.RepeatedTest
import org.junit.jupiter.api.TestInstance

const val REQUESTS = 100
const val TOTAL_DEPENDENCIES = 1000
const val DEPENDENCIES_PER_REQUEST = 100

@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class MapPerformanceTest {
    lateinit var map: Map<String, () -> Key>

    @BeforeAll
    internal fun setUp() {
        map = (0 until TOTAL_DEPENDENCIES).map { it.toString() to { Key(it.toString()) } }.toMap()
    }

    @RepeatedTest(REQUESTS)
    fun kodein() {
        (1..DEPENDENCIES_PER_REQUEST).map { Random.randomInt(TOTAL_DEPENDENCIES) }
                .forEach {
                    val key = map[it.toString()]!!()
                    println("found $key")
                }
    }

    @RepeatedTest(REQUESTS)
    fun dagger() {
        (1..DEPENDENCIES_PER_REQUEST).map { Random.randomInt(TOTAL_DEPENDENCIES) }
                .forEach {
                    val key = Key(it.toString())
                    println("found $key")
                }
    }
}

data class Key(val value: String)