Koin DI Benchmark Code Snippet

KoinBenchmark.kt

fun measureTime(block: () -> Unit): Double = measureNanoTime(block) / 1000000.0
    data class TestResult(
            val startupTime: List<Milliseconds>,
            val injectionTime: List<Milliseconds>
    )

    private fun runTest(
            setup: () -> Unit,
            test: () -> Unit,
            teardown: () -> Unit = {}
    ): TestResult {
        val startup = (1..rounds).map { measureTime { setup() }.also { teardown() } }
        setup()
        val testDurations = (1..rounds).map { measureTime { test() } }
        teardown()
        return TestResult(startup, testDurations)
    }

    fun log(msg: String) {
        Log.i("DI-TEST", msg)
    }

    fun List<Milliseconds>.median() = sorted().let { (it[it.size / 2] + it[(it.size - 1) / 2]) / 2 }

    private fun koinTest() {
        lateinit var koin: Koin
        val testResult = runTest(
                setup = {
                    koin = startKoin {
                        // module list
                        modules(listOf())
                    }.koin
                },
                test = { koin.get<Navigator>() },
                teardown = { stopKoin() }
        )
    }