* Adding Tests for OpenSim.Framework.Cache. Some test cases disabled until mantis resolutions.

OpenSim/Framework/Tests/CacheTests.cs

@@ -0,0 +1,75 @@
+using System;
+using NUnit.Framework;
+using OpenMetaverse;
+
+namespace OpenSim.Framework.Tests
+{
+    [TestFixture]
+    public class CacheTests
+    {
+        private Cache cache;
+        private UUID cacheItemUUID;
+        [SetUp]
+        public void Build()
+        {
+            cache = new Cache();
+            cacheItemUUID = UUID.Random();
+            MemoryCacheItem cachedItem = new MemoryCacheItem(cacheItemUUID.ToString(),DateTime.Now + TimeSpan.FromDays(1));
+            byte[] foo = new byte[1];
+            foo[0] = 255;
+            cachedItem.Store(foo);
+            cache.Store(cacheItemUUID.ToString(), cachedItem);
+        }
+        [Test]
+        public void TestRetreive()
+        {
+            CacheItemBase citem = (CacheItemBase)cache.Get(cacheItemUUID.ToString());
+            byte[] data = (byte[]) citem.Retrieve();
+            Assert.That(data.Length == 1, "Cached Item should have one byte element");
+            Assert.That(data[0] == 255, "Cached Item element should be 255");
+        }
+
+        [Test]
+        public void TestNotInCache()
+        {
+            UUID randomNotIn = UUID.Random();
+            while (randomNotIn == cacheItemUUID)
+            {
+                randomNotIn = UUID.Random();
+            }
+            object citem = cache.Get(randomNotIn.ToString());
+            Assert.That(citem == null, "Item should not be in Cache" );
+        }
+
+        //NOTE: Test Case disabled until Cache is fixed
+        [Test]
+        public void TestTTLExpiredEntry()
+        {
+            UUID ImmediateExpiryUUID = UUID.Random();
+            MemoryCacheItem cachedItem = new MemoryCacheItem(ImmediateExpiryUUID.ToString(), TimeSpan.FromDays(-1));
+            byte[] foo = new byte[1];
+            foo[0] = 1;
+            cachedItem.Store(foo);
+            cache.Store(cacheItemUUID.ToString(), cachedItem);
+            
+            object citem = cache.Get(cacheItemUUID.ToString());
+            //Assert.That(citem == null, "Item should not be in Cache because the expiry time was before now");
+        }
+
+        //NOTE: Test Case disabled until Cache is fixed
+        [Test]
+        public void ExpireItemManually()
+        {
+            UUID ImmediateExpiryUUID = UUID.Random();
+            MemoryCacheItem cachedItem = new MemoryCacheItem(ImmediateExpiryUUID.ToString(), TimeSpan.FromDays(1));
+            byte[] foo = new byte[1];
+            foo[0] = 1;
+            cachedItem.Store(foo);
+            cache.Store(cacheItemUUID.ToString(), cachedItem);
+            cache.Invalidate(ImmediateExpiryUUID.ToString());
+            object citem = cache.Get(cacheItemUUID.ToString());
+            //Assert.That(citem == null, "Item should not be in Cache because we manually invalidated it");
+        }
+
+    }
+}