Add basic new uuid gatherer tests to check behaviour when the gather seed is a missing asset

OpenSim/Region/Framework/Scenes/Tests/UuidGathererTests.cs

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System.Collections.Generic;
+using NUnit.Framework;
+using NUnit.Framework.SyntaxHelpers;
+using OpenMetaverse;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Tests.Common;
+using OpenSim.Tests.Common.Mock;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    [TestFixture]
+    public class UuidGathererTests
+    {
+        /// <summary>
+        /// Test requests made for non-existent assets
+        /// </summary>
+        [Test]
+        public void TestMissingAsset()
+        {
+            TestHelper.InMethod();
+            
+            UUID missingAssetUuid = UUID.Parse("00000000-0000-0000-0000-000000000666");
+            UuidGatherer ug = new UuidGatherer(new TestAssetService());
+            IDictionary<UUID, int> foundAssetUuids = new Dictionary<UUID, int>();
+            
+            ug.GatherAssetUuids(missingAssetUuid, AssetType.Object, foundAssetUuids);
+
+            Assert.That(foundAssetUuids.Count, Is.EqualTo(1));
+        }
+    }
+}

OpenSim/Tests/Common/Mock/TestAssetService.cs

@@ -39,9 +39,14 @@ namespace OpenSim.Tests.Common.Mock
     {
         private readonly Dictionary<string, AssetBase> Assets = new Dictionary<string, AssetBase>();
 
-        public TestAssetService(IConfigSource config)
-        {
-        }
+        public TestAssetService() {}
+
+        /// <summary>
+        /// This constructor is required if the asset service is being created reflectively (which is the case in some
+        /// tests).
+        /// </summary>
+        /// <param name="config"></param>
+        public TestAssetService(IConfigSource config) {}
         
         public AssetBase Get(string id)
         {