Reject is pushing to a layout which is not contained in a stack

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/Navigator.java

@@ -129,13 +129,12 @@ public class Navigator extends ParentController {
     public void push(final String fromId, final ViewController viewController, CommandListener listener) {
         ViewController from = findControllerById(fromId);
         if (from != null) {
-            from.performOnParentStack(stack -> ((StackController) stack).push(viewController, listener));
+            from.performOnParentStack(
+                    stack -> ((StackController) stack).push(viewController, listener),
+                    () -> rejectPush(fromId, viewController, listener)
+            );
         } else {
-            listener.onError("Could not push component: " +
-                             viewController.getId() +
-                             ". Stack with id " +
-                             fromId +
-                             " was not found.");
+            rejectPush(fromId, viewController, listener);
         }
     }
 
@@ -204,4 +203,12 @@ public class Navigator extends ParentController {
         ViewController controllerById = super.findControllerById(id);
         return controllerById != null ? controllerById : modalStack.findControllerById(id);
     }
+
+    private void rejectPush(String fromId, ViewController viewController, CommandListener listener) {
+        listener.onError("Could not push component: " +
+                         viewController.getId() +
+                         ". Stack with id " +
+                         fromId +
+                         " was not found.");
+    }
 }

lib/android/app/src/test/java/com/reactnativenavigation/viewcontrollers/NavigatorTest.java

@@ -83,7 +83,6 @@ public class NavigatorTest extends BaseTest {
             }
         });
         parentController.setViewVisibilityListener(parentVisibilityListener);
-//        parentController.ensureViewIsCreated();
         child1 = new SimpleViewController(activity, childRegistry, "child1", tabOptions);
         child2 = new SimpleViewController(activity, childRegistry, "child2", tabOptions);
         child3 = new SimpleViewController(activity, childRegistry, "child3", tabOptions);
@@ -164,6 +163,13 @@ public class NavigatorTest extends BaseTest {
         assertThat(stack2.getChildControllers()).contains(newChild);
     }
 
+    @Test
+    public void push_rejectIfNotContainedInStack() {
+        CommandListener listener = Mockito.mock(CommandListener.class);
+        uut.push("someId", child1, listener);
+        verify(listener).onError(any());
+    }
+
     @Test
     public void pop_InvalidDoesNothing() {
         uut.pop("123", new CommandListenerAdapter());