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/*
* 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;
using NUnit.Framework;
using OpenMetaverse;
using OpenSim.Tests.Common;
namespace OpenSim.Framework.Tests
{
[TestFixture]
public class CacheTests : OpenSimTestCase
{
private Cache cache;
private UUID cacheItemUUID;
[SetUp]
public void Build()
{
cache = new Cache();
cache = new Cache(CacheMedium.Memory,CacheStrategy.Aggressive,CacheFlags.AllowUpdate);
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");
}
[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(cacheItemUUID.ToString());
cache.Get(cacheItemUUID.ToString());
object citem = cache.Get(cacheItemUUID.ToString());
Assert.That(citem == null, "Item should not be in Cache because we manually invalidated it");
}
[Test]
public void ClearCacheTest()
{
UUID ImmediateExpiryUUID = UUID.Random();
MemoryCacheItem cachedItem = new MemoryCacheItem(ImmediateExpiryUUID.ToString(), DateTime.Now - TimeSpan.FromDays(1));
byte[] foo = new byte[1];
foo[0] = 1;
cachedItem.Store(foo);
cache.Store(cacheItemUUID.ToString(), cachedItem);
cache.Clear();
object citem = cache.Get(cacheItemUUID.ToString());
Assert.That(citem == null, "Item should not be in Cache because we manually invalidated it");
}
[Test]
public void CacheItemMundane()
{
UUID Random1 = UUID.Random();
UUID Random2 = UUID.Random();
byte[] data = new byte[0];
CacheItemBase cb1 = new CacheItemBase(Random1.ToString(), DateTime.Now + TimeSpan.FromDays(1));
CacheItemBase cb2 = new CacheItemBase(Random2.ToString(), DateTime.Now + TimeSpan.FromDays(1));
CacheItemBase cb3 = new CacheItemBase(Random1.ToString(), DateTime.Now + TimeSpan.FromDays(1));
cb1.Store(data);
Assert.That(cb1.Equals(cb3), "cb1 should equal cb3, their uuids are the same");
Assert.That(!cb2.Equals(cb1), "cb2 should not equal cb1, their uuids are NOT the same");
Assert.That(cb1.IsLocked() == false, "CacheItemBase default is false");
Assert.That(cb1.Retrieve() == null, "Virtual Retrieve method should return null");
}
}
}
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