1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/java/de/hysky/skyblocker/utils/datafixer/ItemStackComponentizationFixerTest.java b/src/test/java/de/hysky/skyblocker/utils/datafixer/ItemStackComponentizationFixerTest.java
new file mode 100644
index 00000000..11951c44
--- /dev/null
+++ b/src/test/java/de/hysky/skyblocker/utils/datafixer/ItemStackComponentizationFixerTest.java
@@ -0,0 +1,47 @@
+package de.hysky.skyblocker.utils.datafixer;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import com.mojang.serialization.JsonOps;
+
+import net.minecraft.Bootstrap;
+import net.minecraft.SharedConstants;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NbtCompound;
+import net.minecraft.nbt.StringNbtReader;
+
+public class ItemStackComponentizationFixerTest {
+	private final NbtCompound NBT = convertToNbt("{id:\"minecraft:diamond_sword\",Count:1,tag:{ExtraAttributes:{id:\"TEST\"}}}");
+	private final Gson GSON = new Gson();
+
+	@BeforeAll
+	public static void setup() {
+		SharedConstants.createGameVersion();
+		Bootstrap.initialize();
+	}
+
+	@Test
+	void testNbtConversion() {
+		Assertions.assertNotEquals(NBT, new NbtCompound());
+	}
+
+	@Test
+	void testDataFixer() {
+		ItemStack fixedStack = ItemStackComponentizationFixer.fixUpItem(NBT);
+		JsonElement stackJson = ItemStack.CODEC.encodeStart(JsonOps.INSTANCE, fixedStack).result().orElseThrow();
+
+		Assertions.assertEquals("{\"id\":\"minecraft:diamond_sword\",\"components\":{\"minecraft:custom_data\":{\"ExtraAttributes\":{\"id\":\"TEST\"}}}}", GSON.toJson(stackJson));
+	}
+
+	private static NbtCompound convertToNbt(String nbt) {
+		try {
+			return StringNbtReader.parse(nbt);
+		} catch (Exception e) {
+			return new NbtCompound();
+		}
+	}
+}