update generator

paper-api-generator/src/test/java/io/papermc/generator/MobGoalConverterTest.java

@@ -0,0 +1,37 @@
+package io.papermc.generator;
+
+import io.github.classgraph.ClassGraph;
+import io.github.classgraph.ScanResult;
+import io.papermc.generator.types.goal.MobGoalNames;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.Mob;
+import org.junit.jupiter.api.Test;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.fail;
+
+public class MobGoalConverterTest {
+
+    @Test
+    public void testBukkitMap() {
+        final List<Class<Mob>> classes;
+        try (ScanResult scanResult = new ClassGraph().enableAllInfo().whitelistPackages(Entity.class.getPackageName()).scan()) {
+            classes = scanResult.getSubclasses(Mob.class.getName()).loadClasses(Mob.class);
+        }
+
+        assertFalse(classes.isEmpty(), "There are supposed to be more than 0 mob classes!");
+
+        List<String> missingClasses = new ArrayList<>();
+        for (Class<Mob> nmsClass : classes) {
+            if (!MobGoalNames.bukkitMap.containsKey(nmsClass)) {
+                missingClasses.add(nmsClass.getCanonicalName());
+            }
+        }
+
+        if (!missingClasses.isEmpty()) {
+            fail("Missing some entity classes in the bukkit map: " + String.join(", ", missingClasses));
+        }
+    }
+}