Add Marker mock (#976)

* Add `MarkerMock`

* Add to test

* Fix behavior and add test

---------

Co-authored-by: Thorinwasher <37477983+Thorinwasher@users.noreply.github.com>

src/main/java/be/seeseemelk/mockbukkit/WorldMock.java

@@ -50,6 +50,7 @@
 import be.seeseemelk.mockbukkit.entity.LlamaMock;
 import be.seeseemelk.mockbukkit.entity.LlamaSpitMock;
 import be.seeseemelk.mockbukkit.entity.MagmaCubeMock;
+import be.seeseemelk.mockbukkit.entity.MarkerMock;
 import be.seeseemelk.mockbukkit.entity.MobMock;
 import be.seeseemelk.mockbukkit.entity.MuleMock;
 import be.seeseemelk.mockbukkit.entity.MushroomCowMock;
@@ -186,6 +187,7 @@
 import org.bukkit.entity.Llama;
 import org.bukkit.entity.LlamaSpit;
 import org.bukkit.entity.MagmaCube;
+import org.bukkit.entity.Marker;
 import org.bukkit.entity.Monster;
 import org.bukkit.entity.Mule;
 import org.bukkit.entity.MushroomCow;
@@ -1443,6 +1445,10 @@ else if (clazz == Trident.class)
 		{
 			return new TridentMock(server, UUID.randomUUID());
 		}
+		else if (clazz == Marker.class)
+		{
+			return new MarkerMock(server, UUID.randomUUID());
+		}
 		throw new UnimplementedOperationException();
 	}
 

src/main/java/be/seeseemelk/mockbukkit/entity/MarkerMock.java

@@ -0,0 +1,40 @@
+package be.seeseemelk.mockbukkit.entity;
+
+import be.seeseemelk.mockbukkit.ServerMock;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Marker;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.UUID;
+
+/**
+ * Mock implementation of a {@link Marker}.
+ */
+public class MarkerMock extends EntityMock implements Marker
+{
+
+	/**
+	 * Constructs a new {@link MarkerMock} on the provided {@link ServerMock} with a specified {@link UUID}.
+	 *
+	 * @param server The server to create the entity on.
+	 * @param uuid   The UUID of the entity.
+	 */
+	public MarkerMock(@NotNull ServerMock server, @NotNull UUID uuid)
+	{
+		super(server, uuid);
+	}
+
+	@Override
+	public @NotNull EntityType getType()
+	{
+		return EntityType.MARKER;
+	}
+
+	@Override
+	public boolean addPassenger(@NotNull Entity passenger)
+	{
+		return false;
+	}
+
+}

src/test/java/be/seeseemelk/mockbukkit/WorldMockTest.java

@@ -50,6 +50,7 @@
 import be.seeseemelk.mockbukkit.entity.LlamaMock;
 import be.seeseemelk.mockbukkit.entity.LlamaSpitMock;
 import be.seeseemelk.mockbukkit.entity.MagmaCubeMock;
+import be.seeseemelk.mockbukkit.entity.MarkerMock;
 import be.seeseemelk.mockbukkit.entity.MuleMock;
 import be.seeseemelk.mockbukkit.entity.MushroomCowMock;
 import be.seeseemelk.mockbukkit.entity.OcelotMock;
@@ -1330,7 +1331,8 @@ public static Stream<Arguments> getSpawnableEntities()
 				Arguments.of(EntityType.ZOMBIFIED_PIGLIN, PigZombieMock.class),
 				Arguments.of(EntityType.TRIDENT, Trident.class),
 				Arguments.of(EntityType.SPECTRAL_ARROW, SpectralArrow.class),
-				Arguments.of(EntityType.ARROW, Arrow.class)
+				Arguments.of(EntityType.ARROW, Arrow.class),
+				Arguments.of(EntityType.MARKER, MarkerMock.class)
 		);
 	}
 

src/test/java/be/seeseemelk/mockbukkit/entity/MarkerMockTest.java

@@ -0,0 +1,46 @@
+package be.seeseemelk.mockbukkit.entity;
+
+import be.seeseemelk.mockbukkit.MockBukkit;
+import be.seeseemelk.mockbukkit.ServerMock;
+import org.bukkit.entity.EntityType;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+
+public class MarkerMockTest
+{
+
+	private MarkerMock marker;
+	private ServerMock server;
+
+	@BeforeEach
+	void setUp()
+	{
+		server = MockBukkit.mock();
+		marker = new MarkerMock(server, UUID.randomUUID());
+	}
+
+	@AfterEach
+	void tearDown()
+	{
+		MockBukkit.unmock();
+	}
+
+	@Test
+	void testType()
+	{
+		assertEquals(EntityType.MARKER, marker.getType());
+	}
+
+	@Test
+	void testCannotAddPassenger()
+	{
+        assertFalse(marker.addPassenger(new SimpleEntityMock(server)));
+		assertEquals(0, marker.getPassengers().size());
+	}
+}