Hello, Mockito!

core/build.gradle

@@ -12,7 +12,4 @@ dependencies {
     compile (group: 'com.google.guava', name: 'guava', version: '24.1-jre')
     /* Named Binary Tags */
     compile (group: 'com.flowpowered', name: 'flow-nbt', version: '1.0.0')
-
-    /* Simple log */
-    testCompile (group: 'org.slf4j', name: 'slf4j-simple', version: slf4j_version)
 }

core/src/test/java/mc/core/TestEntityLocation.java

@@ -1,40 +1,16 @@
 package mc.core;
 
 import mc.core.world.World;
-import mc.core.world.WorldType;
-import mc.core.world.chunk.Chunk;
 import org.junit.Assert;
 import org.junit.Test;
+import org.mockito.Mockito;
+
+import static org.mockito.Mockito.mock;
 
 public class TestEntityLocation {
     @Test
     public void cloneTest() {
-        World dummyWorld = new World() {
-            @Override
-            public WorldType getWorldType() {
-                return null;
-            }
-
-            @Override
-            public EntityLocation getSpawn() {
-                return null;
-            }
-
-            @Override
-            public void setSpawn(EntityLocation location) {
-
-            }
-
-            @Override
-            public Chunk getChunk(int x, int z) {
-                return null;
-            }
-
-            @Override
-            public void setChunk(int x, int z, Chunk chunk) {
-
-            }
-        };
+        World dummyWorld = mock(World.class);
 
         EntityLocation firstLocation = new EntityLocation(10, 20, 30, 40, 50, dummyWorld);
         Assert.assertSame("Lost world reference before cloning", dummyWorld, firstLocation.getWorld());

core/src/test/java/mc/core/TestLocation.java

@@ -1,80 +1,33 @@
 package mc.core;
 
-import lombok.Getter;
-import lombok.RequiredArgsConstructor;
-import mc.core.world.Biome;
 import mc.core.world.World;
-import mc.core.world.WorldType;
 import mc.core.world.chunk.Chunk;
-import mc.core.world.chunk.ChunkSection;
-import org.junit.Assert;
+import org.junit.Before;
 import org.junit.Test;
+import org.mockito.stubbing.Answer;
 
 import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.*;
 
 public class TestLocation {
-    private class DummyWorld implements World {
-        @RequiredArgsConstructor
-        private class DummyChunk implements Chunk {
-            @Getter
-            private final int x, z;
+    private World world;
 
-            @Override
-            public ChunkSection getChunkSection(int height) {
-                return null;
-            }
+    @Before
+    public void prepareWorld() {
+        this.world = mock(World.class);
+        when(world.getChunk(anyInt(), anyInt())).thenAnswer(invocation -> {
+            Object[] args = invocation.getArguments();
 
-            @Override
-            public void setChunkSection(int height, ChunkSection chunkSection) {
-            }
+            Chunk chunk = mock(Chunk.class);
+            when(chunk.getX()).thenReturn((int) args[0]);
+            when(chunk.getZ()).thenReturn((int) args[1]);
 
-            @Override
-            public Biome getBiome(int localX, int localZ) {
-                return null;
-            }
-
-            @Override
-            public void setBiome(int localX, int localZ, Biome biome) {
-            }
-
-            @Override
-            public World getWorld() {
-                return null;
-            }
-
-            @Override
-            public void setWorld(World world) {
-            }
-        }
-
-        @Override
-        public WorldType getWorldType() {
-            return null;
-        }
-
-        @Override
-        public EntityLocation getSpawn() {
-            return null;
-        }
-
-        @Override
-        public void setSpawn(EntityLocation location) {
-        }
-
-        @Override
-        public Chunk getChunk(int x, int z) {
-            return new DummyChunk(x, z);
-        }
-
-        @Override
-        public void setChunk(int x, int z, Chunk chunkSection) {
-
-        }
+            return chunk;
+        });
     }
 
     @Test
     public void testGetBlockXZ() {
-        World world = new DummyWorld();
         Location location;
 
         location = new Location(0d, 0, 0d, world);
@@ -120,7 +73,6 @@ public class TestLocation {
 
     @Test
     public void testGetChunk() {
-        World world = new DummyWorld();
         Location location;
         Chunk chunk;