@Test
 public void testEntityBecomesTemporaryWhenChangedFromAKeepActiveBlock() {
   worldProvider.setBlock(Vector3i.zero(), keepActiveBlock);
   EntityRef blockEntity = worldProvider.getBlockEntityAt(new Vector3i(0, 0, 0));
   worldProvider.setBlock(Vector3i.zero(), BlockManager.getAir());
   worldProvider.update(1.0f);
   assertFalse(blockEntity.isActive());
 }
  @Test
  public void allComponentsNotMarkedAsRetainedRemovedOnBlockChange() {
    worldStub.setBlock(Vector3i.zero(), blockWithString);
    EntityRef entity = worldProvider.getBlockEntityAt(new Vector3i(0, 0, 0));
    entity.addComponent(new ForceBlockActiveComponent());
    entity.addComponent(new RetainedOnBlockChangeComponent(2));

    worldProvider.setBlock(Vector3i.zero(), BlockManager.getAir());

    assertTrue(entity.hasComponent(RetainedOnBlockChangeComponent.class));
    assertFalse(entity.hasComponent(ForceBlockActiveComponent.class));
  }
  @Test
  public void testComponentsDeactivatedAndRemovedWhenBlockChanged() {
    worldProvider.setBlock(Vector3i.zero(), blockWithString);

    LifecycleEventChecker checker =
        new LifecycleEventChecker(entityManager.getEventSystem(), StringComponent.class);

    worldProvider.setBlock(Vector3i.zero(), BlockManager.getAir());
    EntityRef blockEntity = worldProvider.getBlockEntityAt(new Vector3i(0, 0, 0));
    assertTrue(blockEntity.exists());

    assertEquals(
        Lists.newArrayList(
            new EventInfo(BeforeDeactivateComponent.newInstance(), blockEntity),
            new EventInfo(BeforeRemoveComponent.newInstance(), blockEntity)),
        checker.receivedEvents);
  }
  @Before
  public void setup() {
    GameThread.setGameThread();
    AssetManager assetManager =
        CoreRegistry.put(
            AssetManager.class,
            new AssetManager(new ModuleManagerImpl(new ModuleSecurityManager())));
    assetManager.setAssetFactory(
        AssetType.PREFAB,
        new AssetFactory<PrefabData, Prefab>() {

          @Override
          public Prefab buildAsset(AssetUri uri, PrefabData data) {
            return new PojoPrefab(uri, data);
          }
        });
    EntitySystemBuilder builder = new EntitySystemBuilder();

    CoreRegistry.put(ComponentSystemManager.class, mock(ComponentSystemManager.class));

    blockManager =
        CoreRegistry.put(
            BlockManager.class,
            new BlockManagerImpl(mock(WorldAtlas.class), new DefaultBlockFamilyFactoryRegistry()));
    NetworkSystem networkSystem = mock(NetworkSystem.class);
    when(networkSystem.getMode()).thenReturn(NetworkMode.NONE);
    entityManager = builder.build(moduleManager, networkSystem, new ReflectionReflectFactory());
    worldStub = new WorldProviderCoreStub(BlockManager.getAir());
    worldProvider = new EntityAwareWorldProvider(worldStub, entityManager);

    plainBlock = new Block();
    blockManager.addBlockFamily(
        new SymmetricFamily(new BlockUri("test:plainBlock"), plainBlock), true);

    blockWithString = new Block();
    PrefabData prefabData = new PrefabData();
    prefabData.addComponent(new StringComponent("Test"));
    Assets.generateAsset(
        new AssetUri(AssetType.PREFAB, "test:prefabWithString"), prefabData, Prefab.class);
    blockWithString.setPrefab("test:prefabWithString");
    blockManager.addBlockFamily(
        new SymmetricFamily(new BlockUri("test:blockWithString"), blockWithString), true);

    blockWithDifferentString = new Block();
    prefabData = new PrefabData();
    prefabData.addComponent(new StringComponent("Test2"));
    Assets.generateAsset(
        new AssetUri(AssetType.PREFAB, "test:prefabWithDifferentString"), prefabData, Prefab.class);
    blockWithDifferentString.setPrefab("test:prefabWithDifferentString");
    blockManager.addBlockFamily(
        new SymmetricFamily(
            new BlockUri("test:blockWithDifferentString"), blockWithDifferentString),
        true);

    blockWithRetainedComponent = new Block();
    prefabData = new PrefabData();
    prefabData.addComponent(new RetainedOnBlockChangeComponent(3));
    Assets.generateAsset(
        new AssetUri(AssetType.PREFAB, "test:prefabWithRetainedComponent"),
        prefabData,
        Prefab.class);
    blockWithRetainedComponent.setPrefab("test:prefabWithRetainedComponent");
    blockManager.addBlockFamily(
        new SymmetricFamily(
            new BlockUri("test:blockWithRetainedComponent"), blockWithRetainedComponent),
        true);

    blockInFamilyOne = new Block();
    blockInFamilyOne.setKeepActive(true);
    blockInFamilyOne.setPrefab("test:prefabWithString");
    blockInFamilyTwo = new Block();
    blockInFamilyTwo.setPrefab("test:prefabWithString");
    blockInFamilyTwo.setKeepActive(true);
    blockManager.addBlockFamily(
        new HorizontalBlockFamily(
            new BlockUri("test:blockFamily"),
            ImmutableMap.<Side, Block>of(
                Side.FRONT,
                blockInFamilyOne,
                Side.LEFT,
                blockInFamilyTwo,
                Side.RIGHT,
                blockInFamilyTwo,
                Side.BACK,
                blockInFamilyOne),
            Collections.<String>emptyList()),
        true);

    keepActiveBlock = new Block();
    keepActiveBlock.setKeepActive(true);
    keepActiveBlock.setPrefab("test:prefabWithString");
    blockManager.addBlockFamily(
        new SymmetricFamily(new BlockUri("test:keepActiveBlock"), keepActiveBlock), true);

    worldProvider.initialise();
  }