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import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.runBlocking
import me.bush.illnamethislater.*
import org.apache.logging.log4j.Level
import org.apache.logging.log4j.LogManager
import org.apache.logging.log4j.core.config.Configurator
import org.junit.jupiter.api.Assertions
import org.junit.jupiter.api.BeforeAll
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
import kotlin.random.Random
/**
* I don't know how to do these....
*
* @author bush
* @since 1.0.0
*/
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class KotlinTest {
private lateinit var eventBus: EventBus
private val logger = LogManager.getLogger("Kotlin Test")
@BeforeAll
fun `setup logger and initialize eventbus`() {
// Log level defaults to only error
Configurator.setRootLevel(Level.ALL)
eventBus = EventBus(
// Defaults
Config(
logger = LogManager.getLogger("Eventbus"),
parallelScope = CoroutineScope(Dispatchers.Default),
thirdPartyCompatibility = true,
annotationRequired = false
)
)
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@Test
fun `test listener priority and ability to cancel events or receive cancelled events`() {
eventBus.subscribe(this)
val event = SimpleEvent()
eventBus.post(event)
Assertions.assertEquals(3, event.count)
eventBus.unsubscribe(this)
}
// Last to be called; does not have receiveCancelled, but the last listener un-cancelled the event.
fun listener4() = listener<SimpleEvent>(priority = Int.MIN_VALUE) {
Assertions.assertEquals(2, it.count)
it.count++
}
// Will not be called; second-highest priority, no receiveCancelled.
val listener2
get() = listener<SimpleEvent>(priority = 0) {
Assertions.fail("This should not be called")
}
// First to be called; highest priority.
private val listener1 = listener<SimpleEvent>(priority = 10) {
Assertions.assertEquals(0, it.count)
it.count++
// Cancel, so next listener shouldn't receive it.
it.cancel()
}
// Second to be called; has receiveCancelled and can un-cancel the event.
fun listener3() = listener<SimpleEvent>(priority = Int.MIN_VALUE + 100, receiveCancelled = true) {
Assertions.assertEquals(1, it.count)
it.count++
it.cancelled = false
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@Test
fun `test subscribing on a kotlin singleton object`() {
eventBus.subscribe(ObjectTest)
val event = SimpleEvent()
eventBus.post(event)
Assertions.assertEquals(3, event.count)
eventBus.unsubscribe(ObjectTest)
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@Test
fun `test primitive types and listeners which don't belong to a class`() {
val random = Random.nextInt()
var changed = 0
val listener = listener<Int> {
changed = it
}
eventBus.register(listener)
eventBus.post(random)
Assertions.assertEquals(random, changed)
eventBus.unregister(listener)
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@Test
fun `test that we can detect if an external event is cancelled`() {
eventBus.subscribe(this)
val event = ExternalEvent()
eventBus.post(event)
eventBus.unsubscribe(this)
}
@EventListener
fun externalListener1() = listener<ExternalEvent>(priority = 1) {
it.canceled = true
}
// Should not be called
fun externalListener2() = listener<ExternalEvent>(priority = -1) {
Assertions.fail("This should not be called")
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@Test
fun `test parallel event posting`() {
runBlocking {
sus()
}
}
suspend fun sus() {
println()
}
fun sussy() {
println()
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@Test
fun `call every method on multiple threads concurrently to ensure no CME is thrown`() {
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@Test
fun `test that inheritance doesn't affect events or listeners`() {
val superTest = listener<SimpleEvent> {
Assertions.fail("This should not be called")
}
eventBus.register(superTest)
// No listeners should be called when a superclass is posted.
eventBus.post(Any())
eventBus.unregister(superTest)
val subTest = listener<Any> {
Assertions.fail("This should not be called")
}
eventBus.register(subTest)
// No listeners should be called when a subclass is posted.
eventBus.post(SimpleEvent())
eventBus.unregister(subTest)
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@Test
fun `test that require annotation mode works`() {
val eventBus = EventBus(Config(annotationRequired = true))
eventBus.subscribe(this)
eventBus.post(Unit)
Assertions.assertTrue(called)
}
var called = false
@EventListener
val annotation = listener<Unit> {
called = true
}
val noAnnotation = listener<Unit> {
Assertions.fail("This should not be called")
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@Test
fun `test subscribing on a companion object`() {
eventBus.subscribe(KotlinTest)
val string = "i love bush's eventbus <3"
eventBus.post(string)
Assertions.assertEquals(string, value)
eventBus.unsubscribe(KotlinTest)
}
companion object {
var value = ""
@EventListener
private val listener = listener<String> {
value = it
}
}
}
object ObjectTest {
private val listener1 = listener<SimpleEvent> {
it.count++
}
@EventListener
private val listener2
get() = listener<SimpleEvent> {
it.count++
}
private fun listener3() = listener<SimpleEvent> {
it.count++
}
}
class SimpleEvent : Event() {
override val cancellable = true
var count = 0
}
class ExternalEvent {
var canceled = false
}
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