public void CachedLifetimeReturnsDifferentInstanceIfSlidingTimeoutHaveExpired()
{
using (var container = new IocContainer())
{
// Expires When not Accessed For More than a specific time periode.
var lifetime = new CachedLifetime(new TimeSpan(0, 0, 1));
container.Register<IFoo>(c => new Foo1()).SetLifetime(lifetime);
var result1 = container.Resolve<IFoo>();
var result2 = container.Resolve<IFoo>();
// Simulate expiry
Thread.Sleep(2000);
var result3 = container.Resolve<IFoo>();
// Assert
Assert.IsNotNull(result1);
Assert.IsNotNull(result2);
Assert.IsNotNull(result3);
Assert.AreSame(result1, result2);
Assert.AreNotSame(result1, result3);
}
}
public void CachedLifetimeIsDependentOnTest()
{
using (var container = new IocContainer())
{
var executionDirectory = Environment.CurrentDirectory;
// Create a file for the cached item to be dependent on
var filePath = executionDirectory + "\\DependencyFile.txt";
if (File.Exists(filePath))
File.Delete(filePath);
var dependencyFile = File.CreateText(filePath);
dependencyFile.WriteLine("This is a file that the cache item is dependent on.");
dependencyFile.Close();
var cacheDependency = new CacheDependency(filePath);
var lifetime = new CachedLifetime(cacheDependency);
container.Register<IFoo>(c => new Foo1()).SetLifetime(lifetime);
var result1 = container.Resolve<IFoo>();
var result2 = container.Resolve<IFoo>();
// Change the dependency file
dependencyFile = File.AppendText(filePath);
dependencyFile.WriteLine("Modified dependecy file.");
dependencyFile.Close();
// Need to give the system time to detect the change.
Thread.Sleep(500);
var result3 = container.Resolve<IFoo>();
// cleanup
if (File.Exists(filePath))
File.Delete(filePath);
// Assert
Assert.IsNotNull(result1);
Assert.IsNotNull(result2);
Assert.IsNotNull(result3);
Assert.AreSame(result1, result2);
Assert.AreNotSame(result1, result3);
}
}
public void CachedLifetimeCallbackIsCalledWhenItemRemovedFromCache()
{
using (var container = new IocContainer())
{
var lifetime = new CachedLifetime(new TimeSpan(0, 0, 1), itemRemovedCallback: RemovedCallback);
container.Register<IFoo>(c => new Foo1()).SetLifetime(lifetime);
_itemRemoved = false;
var result1 = container.Resolve<IFoo>();
// Simulate expiry
Thread.Sleep(2000);
var result2 = container.Resolve<IFoo>();
// Assert
Assert.IsNotNull(result1);
Assert.IsNotNull(result2);
Assert.AreNotSame(result1, result2);
Assert.IsTrue(_itemRemoved);
Assert.IsTrue(_reason == CacheItemRemovedReason.Expired);
}
}
public void CachedLifetimeReturnsSameInstanceIfCacheNotExpired()
{
using (var container = new IocContainer())
{
var lifetime = new CachedLifetime(new TimeSpan(0, 0, 3));
container.Register<IFoo>(c => new Foo1()).SetLifetime(lifetime);
var result1 = container.Resolve<IFoo>();
var result2 = container.Resolve<IFoo>();
Thread.Sleep(1000);
var result3 = container.Resolve<IFoo>();
// Assert
Assert.IsNotNull(result1);
Assert.IsNotNull(result2);
Assert.IsNotNull(result3);
Assert.AreSame(result1, result2);
Assert.AreSame(result1, result3);
}
}
