Handled HereNow call with empty channel scenario

Author: mohitpubnub

PubNubUnity/Assets/PubNub/Builders/Presence/HereNowRequestBuilder.cs

@@ -201,6 +201,7 @@ protected bool CreateHereNowResult(object objChannelsDict, out Dictionary<string
                                 }
                             } else {
                                 Dictionary<string, object>[] dictUuidsState = uuids as Dictionary<string, object>[];
+                                if (dictUuidsState != null){
                                 foreach (Dictionary<string, object> objUuidsState in dictUuidsState){
                                     PNHereNowOccupantData occupantData = new PNHereNowOccupantData();
 
@@ -220,10 +221,9 @@ protected bool CreateHereNowResult(object objChannelsDict, out Dictionary<string
                                         occupantData.State = objUuidsState;
                                     }
                                     channelData.Occupants.Add(occupantData);
+                                    }
                                 }
                             }
-                            
-
                         }
                     }
                     channelsResult.Add(channelName, channelData);

PubNubUnity/Assets/PubNub/PlayModeTests/PlayModeTests.cs

@@ -78,6 +78,28 @@ public IEnumerator TestTime() {
 
 		// 	pubnub.CleanUp();
 		// }
+		
+		[UnityTest]
+		public IEnumerator TestHereNowEmptyChannel()
+        {
+			PNConfiguration pnConfiguration = PlayModeCommon.SetPNConfig(false);
+			pnConfiguration.UUID = "UnityTestHereNowUUID";
+			PubNub pubnub = new PubNub(pnConfiguration);
+			string hereNowChannel = "EmptyChannel";
+			List<string> channelList = new List<string>() { hereNowChannel };
+			bool testReturn = false;
+
+			pubnub.HereNow().Channels(channelList).IncludeState(true).IncludeUUIDs(true).Async((result, status) =>
+			{
+				Debug.Log("status.Error:" + status.Error);
+				Assert.True(!status.Error);
+				bool matchResult = MatchHereNowresult(pubnub, result, channelList, pnConfiguration.UUID, true, false, false, 0, false, null);// Check occupancy-> It should be empty
+				testReturn = !status.Error && matchResult;
+			});
+			yield return new WaitForSeconds(PlayModeCommon.WaitTimeBetweenCalls4);
+			Assert.True(testReturn, "test didn't return");
+			pubnub.CleanUp();
+		}
 
 		[UnityTest]
 		public IEnumerator TestHereNowChannels() {