test: Add sack util test

src/main/kotlin/util/ErrorUtil.kt

@@ -10,7 +10,7 @@ import moe.nea.firmament.Firmament
 @Suppress("NOTHING_TO_INLINE") // Suppressed since i want the logger to not pick up the ErrorUtil stack-frame
 object ErrorUtil {
 	var aggressiveErrors = run {
-		Thread.currentThread().stackTrace.any { it.className.startsWith("org.junit.") } || Firmament.DEBUG
+		TestUtil.isInTest || Firmament.DEBUG
 			|| ErrorUtil::class.java.desiredAssertionStatus()
 	}
 

src/main/kotlin/util/MC.kt

@@ -102,7 +102,7 @@ object MC {
 	inline val handledScreen: HandledScreen<*>? get() = instance.currentScreen as? HandledScreen<*>
 	inline val window get() = instance.window
 	inline val currentRegistries: RegistryWrapper.WrapperLookup? get() = world?.registryManager
-	val defaultRegistries: RegistryWrapper.WrapperLookup = BuiltinRegistries.createWrapperLookup()
+	val defaultRegistries: RegistryWrapper.WrapperLookup by lazy { BuiltinRegistries.createWrapperLookup() }
 	inline val currentOrDefaultRegistries get() = currentRegistries ?: defaultRegistries
 	val defaultItems: RegistryWrapper.Impl<Item> = defaultRegistries.getOrThrow(RegistryKeys.ITEM)
 	var lastWorld: World? = null

src/main/kotlin/util/TestUtil.kt

@@ -0,0 +1,5 @@
+package moe.nea.firmament.util
+
+object TestUtil {
+	val isInTest = Thread.currentThread().stackTrace.any { it.className.startsWith("org.junit.") }
+}

src/main/kotlin/util/skyblock/SackUtil.kt

@@ -60,8 +60,13 @@ object SackUtil {
 	@Subscribe
 	fun updateFromChat(event: ProcessChatEvent) {
 		if (!event.unformattedString.startsWith("[Sacks]")) return
+		getUpdatesFromMessage(event.text)
+	}
+
+	fun getUpdatesFromMessage(text: Text): List<SackUpdate> {
 		val update = ChatUpdate()
-		event.text.siblings.forEach(update::updateFromHoverText)
+		text.siblings.forEach(update::updateFromHoverText)
+		return update.updates
 	}
 
 	data class SackUpdate(

src/main/kotlin/util/skyblock/SkyBlockItems.kt

@@ -0,0 +1,10 @@
+package moe.nea.firmament.util.skyblock
+
+import moe.nea.firmament.util.SkyblockId
+
+object SkyBlockItems {
+	val ROTTEN_FLESH = SkyblockId("ROTTEN_FLESH")
+	val ENCHANTED_DIAMOND = SkyblockId("ENCHANTED_DIAMOND")
+	val DIAMOND = SkyblockId("DIAMOND")
+	val ANCESTRAL_SPADE = SkyblockId("ANCESTRAL_SPADE")
+}