added new in memory cache.

NzbDrone.Common.Test/CacheTests/CachedFixture.cs

@@ -0,0 +1,74 @@
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Common.Cache;
+
+namespace NzbDrone.Common.Test.CacheTests
+{
+    [TestFixture]
+    public class CachedFixture
+    {
+        private Cached<string> _cachedString = new Cached<string>();
+        private Worker _worker;
+
+        [SetUp]
+        public void SetUp()
+        {
+            _cachedString = new Cached<string>();
+            _worker = new Worker();
+        }
+
+        [Test]
+        public void should_call_function_once()
+        {
+            _cachedString.Get("Test", _worker.GetString);
+            _cachedString.Get("Test", _worker.GetString);
+
+            _worker.HitCount.Should().Be(1);
+
+        }
+
+
+
+        [Test]
+        public void multiple_calls_should_return_same_result()
+        {
+            var first = _cachedString.Get("Test", _worker.GetString);
+            var second = _cachedString.Get("Test", _worker.GetString);
+
+            first.Should().Be(second);
+
+        }
+
+
+        [Test]
+        public void should_remove_value_from_set()
+        {
+            _cachedString.Get("Test", _worker.GetString);
+
+            _cachedString.Remove("Test");
+
+            _cachedString.Get("Test", _worker.GetString);
+
+
+            _worker.HitCount.Should().Be(2);
+
+        }
+
+        [Test]
+        public void remove_none_existing_should_break_things()
+        {
+            _cachedString.Remove("Test");
+        }
+    }
+
+    public class Worker
+    {
+        public int HitCount { get; private set; }
+
+        public string GetString()
+        {
+            HitCount++;
+            return "Hit count is " + HitCount;
+        }
+    }
+}

NzbDrone.Common.Test/CacheTests/CachedManagerFixture.cs

@@ -0,0 +1,33 @@
+using System;
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Common.Cache;
+
+namespace NzbDrone.Common.Test.CacheTests
+{
+    [TestFixture]
+    public class CachedManagerFixture
+    {
+        [Test]
+        public void should_return_proper_type_of_cache()
+        {
+            var result = CacheManger.GetCache<DateTime>(typeof(string));
+
+            result.Should().BeOfType<Cached<DateTime>>();
+        }
+
+
+        [Test]
+        public void multiple_calls_should_get_the_same_cache()
+        {
+            var result1 = CacheManger.GetCache<DateTime>(typeof(string));
+            var result2 = CacheManger.GetCache<DateTime>(typeof(string));
+
+            result1.Should().BeSameAs(result2);
+        }
+
+
+
+
+    }
+}

NzbDrone.Common.Test/NzbDrone.Common.Test.csproj

@@ -78,6 +78,8 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="CacheTests\CachedManagerFixture.cs" />
+    <Compile Include="CacheTests\CachedFixture.cs" />
     <Compile Include="ConfigFileProviderTest.cs" />
     <Compile Include="EventingTests\MessageAggregatorCommandTests.cs" />
     <Compile Include="EventingTests\MessageAggregatorEventTests.cs" />