add support for using EntityType.valueOf instead of EntityType.fromName

src/main/java/sh/okx/rankup/requirements/requirement/MobKillsRequirement.java

@@ -21,7 +21,16 @@ public class MobKillsRequirement extends ProgressiveRequirement {
   @SuppressWarnings("deprecation")
   @Override
   public double getProgress(Player player) {
-    EntityType entity = Objects.requireNonNull(EntityType.fromName(getSub()), "Invalid entity type '" + getSub() + "' in mob-kills requirement.");
+    EntityType entity = EntityType.fromName(getSub());
+    if (entity == null) {
+      EntityType entityFromId;
+      try {
+        entityFromId = EntityType.valueOf(getSub().toUpperCase());
+      } catch (IllegalArgumentException e) {
+        entityFromId = null;
+      }
+      entity = Objects.requireNonNull(entityFromId, "Invalid entity type '" + getSub() + "' in mob-kills requirement.");
+    }
     return player.getStatistic(Statistic.KILL_ENTITY, entity);
   }
 

src/test/java/sh/okx/rankup/requirements/MobKillsRequirementsTest.java

@@ -0,0 +1,30 @@
+package sh.okx.rankup.requirements;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import be.seeseemelk.mockbukkit.entity.PlayerMock;
+import org.bukkit.Statistic;
+import org.bukkit.entity.EntityType;
+import org.junit.jupiter.api.Test;
+import sh.okx.rankup.RankupTest;
+import sh.okx.rankup.ranks.Rank;
+
+public class MobKillsRequirementsTest extends RankupTest {
+
+  public MobKillsRequirementsTest() {
+    super("mobkillsrequirements");
+  }
+
+  @Test
+  public void testPrestigeRequirements() {
+    PlayerMock player = server.addPlayer();
+
+    player.setStatistic(Statistic.KILL_ENTITY, EntityType.SNOWMAN, 2);
+    player.setStatistic(Statistic.KILL_ENTITY, EntityType.MUSHROOM_COW, 1);
+
+    Rank rank = plugin.getRankups().getFirst();
+
+    assertEquals(3 - 2, rank.getRequirement(player, "mob-kills#snow_golem").getRemaining(player));
+    assertEquals(3 - 1, rank.getRequirement(player, "mob-kills#mushroom_cow").getRemaining(player));
+  }
+}

src/test/resources/mobkillsrequirements/rankups.yml

@@ -0,0 +1,6 @@
+a:
+  rank: 'A'
+  next: 'B'
+  requirements:
+    - 'mob-kills snow_golem 3' # entity name
+    - 'mob-kills mushroom_cow 3' # entity enum value