public void CachedLifetimeManagerReturnsDifferentObjectIfAbsoluteTimeExpired()
{
var cachedltm = new CachedLifetime()
.ExpiresOn(DateTime.UtcNow.AddSeconds(2));
var ireg = iocContainer.Register<IFoo>(c => new Foo1())
.WithLifetimeManager(cachedltm);
var result1 = iocContainer.Resolve<IFoo>();
var result2 = iocContainer.Resolve<IFoo>();
// simulate expiry
Thread.Sleep(3000);
var result3 = iocContainer.Resolve<IFoo>();
Verify.That(result1).IsNotNull()
.IsTheSameObjectAs(result2)
.IsNotTheSameObjectAs(result3);
Verify.That(result3).IsNotNull();
}
public void IsDependentOnTest()
{
using (var iocContainer = 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 cachedltm = new CachedLifetime()
.IsDependentOn(new CacheDependency(filePath));
iocContainer.Register<IFoo>(c => new Foo1())
.WithLifetimeManager(cachedltm);
var result1 = iocContainer.Resolve<IFoo>();
var result2 = iocContainer.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 = iocContainer.Resolve<IFoo>();
// cleanup
if (File.Exists(filePath))
File.Delete(filePath);
Verify.That(result3).IsNotNull();
Verify.That(result1).IsNotNull()
.IsTheSameObjectAs(result2)
.IsNotTheSameObjectAs(result3);
}
}
public void CanSetDefaultLifetimeManagerToCachedLifetime()
{
using (var iocContainer = new IocContainer())
{
var lifetime = new CachedLifetime();
iocContainer.UsesDefaultLifetimeManagerOf(lifetime);
Verify.That(iocContainer.DefaultLifetimeManager).IsTheSameObjectAs(lifetime);
}
}
public void CallbackIsCalledWhenItemRemovedFromCache()
{
using (var iocContainer = new IocContainer())
{
var cachedltm = new CachedLifetime()
.ExpiresAfterNotAccessedFor(new TimeSpan(0, 0, 1))
.CallbackOnRemoval(RemovedCallback);
iocContainer.Register<IFoo>(c => new Foo1())
.WithLifetimeManager(cachedltm);
itemRemoved = false;
var result1 = iocContainer.Resolve<IFoo>();
// simulate expiry
Thread.Sleep(2000);
var result2 = iocContainer.Resolve<IFoo>();
Verify.That(result1).IsNotNull();
Verify.That(result2).IsNotNull()
.IsNotTheSameObjectAs(result1);
Verify.That(itemRemoved).IsTrue();
}
}
public void CachedLifetimeManagerReturnsSameObjectIfCacheNotExpired()
{
using (var iocContainer = new IocContainer())
{
var cachedltm = new CachedLifetime();
iocContainer.Register<IFoo>(c => new Foo1())
.WithLifetimeManager(cachedltm);
var result1 = iocContainer.Resolve<IFoo>();
var result2 = iocContainer.Resolve<IFoo>();
var result3 = iocContainer.Resolve<IFoo>();
Verify.That(result1).IsNotNull()
.IsTheSameObjectAs(result2)
.IsTheSameObjectAs(result3);
}
}
public void CachedLifetimeManagerReturnsDifferentObjectIfSlidingTimeExpired()
{
using (var iocContainer = new IocContainer())
{
var cachedltm = new CachedLifetime()
.ExpiresAfterNotAccessedFor(new TimeSpan(0, 0, 1));
iocContainer.Register<IFoo>(c => new Foo1())
.WithLifetimeManager(cachedltm);
var result1 = iocContainer.Resolve<IFoo>();
var result2 = iocContainer.Resolve<IFoo>();
// simulate expiry
Thread.Sleep(2000);
var result3 = iocContainer.Resolve<IFoo>();
Verify.That(result1).IsNotNull()
.IsTheSameObjectAs(result2)
.IsNotTheSameObjectAs(result3);
Verify.That(result3).IsNotNull();
}
}
public void CachedLifetimeManagerReturnsDifferentObjectIfCacheExpired()
{
using (var iocContainer = new IocContainer())
{
var cachedltm = new CachedLifetime();
var ireg = iocContainer.Register<IFoo>(c => new Foo1())
.WithLifetimeManager(cachedltm);
var result1 = iocContainer.Resolve<IFoo>();
var result2 = iocContainer.Resolve<IFoo>();
// simulate expiry
ireg.InvalidateInstanceCache();
var result3 = iocContainer.Resolve<IFoo>();
Verify.That(result1).IsNotNull()
.IsTheSameObjectAs(result2)
.IsNotTheSameObjectAs(result3);
Verify.That(result3).IsNotNull();
}
}
