Simplified the testing process and WorldAnchorManager

Author: eluchsinger

Assets/HoloToolkit-UnitTests/Editor/Utilities/Extensions/WorldAnchorManagerExtensions.cs

@@ -1,6 +1,5 @@
 using UnityEngine;
 using NUnit.Framework;
-using HoloToolkit.Unity.Tests.Extensions;
 
 namespace HoloToolkit.Unity.Tests
 {
@@ -10,16 +9,14 @@ public class WorldAnchorManagerTests
         public void ClearScene()
         {
             TestUtils.ClearScene();
-            var managers = new GameObject("Managers");
-            managers.AddComponent<WorldAnchorManager>();
         }
 
         [Test]
         public void TestGenerateAnchorNameFromGameObject()
         {
             const string expected = "AnchorName";
             var gameObject = new GameObject(expected);
-            var result = WorldAnchorManager.Instance.GenerateAnchorName(gameObject);
+            var result = WorldAnchorManager.GenerateAnchorName(gameObject);
             Assert.That(result, Is.EqualTo(expected));
         }
 
@@ -28,7 +25,7 @@ public void TestGenerateAnchorNameFromParameter()
         {
             const string expected = "AnchorName";
             var gameObject = new GameObject();
-            var result = WorldAnchorManager.Instance.GenerateAnchorName(gameObject, expected);
+            var result = WorldAnchorManager.GenerateAnchorName(gameObject, expected);
             Assert.That(result, Is.EqualTo(expected));
         }
     }

Assets/HoloToolkit-UnitTests/Editor/Utilities/Extensions/WorldAnchorManagerExtensions.cs.meta

@@ -170,6 +170,17 @@ private void Anchor_OnTrackingChanged(WorldAnchor anchor, bool located)
 
         #endregion // Event Callbacks
 #endif
+        /// <summary>
+        /// Generates the name for the anchor.
+        /// If no anchor name was specified, the name of the anchor will be the same as the GameObject's name.
+        /// </summary>
+        /// <param name="gameObjectToAnchor">The GameObject to attach the anchor to.</param>
+        /// <param name="proposedAnchorname">Name of the anchor. If none provided, the name of the GameObject will be used.</param>
+        /// <returns>The name of the newly attached anchor.</returns>
+        public static string GenerateAnchorName(GameObject gameObjectToAnchor, string proposedAnchorname = null)
+        {
+            return string.IsNullOrEmpty(proposedAnchorname) ? gameObjectToAnchor.name : proposedAnchorname;
+        }
 
         /// <summary>
         /// Attaches an anchor to the GameObject.  
@@ -198,7 +209,7 @@ public string AttachAnchor(GameObject gameObjectToAnchor, string anchorName = nu
                 Debug.LogWarning("[WorldAnchorManager] AttachAnchor called before anchor store is ready.");
             }
 
-            anchorName = string.IsNullOrEmpty(anchorName) ? gameObjectToAnchor.name : anchorName;
+            anchorName = GenerateAnchorName(gameObjectToAnchor, anchorName);
 
             LocalAnchorOperations.Enqueue(
                 new AnchorAttachmentInfo