public IPackageObtainer GetPackageObtainer()
{
var cacher = new PackageCacherImpl(TempFileDirectoryClearInterval, TempFileLifeInterval, TempFileDirectory);
cacher.Start();
return packageObtainer ?? (packageObtainer = new PackageObtainerImpl(userNameForPackageStorage,
passwordForPackageStorage,
cacher));
}
public void CommonTest()
{
//Scenario:
//create cacher
//create two files, they will be out-of-time
//create third file, it will be out-of-time too, but cacher mustn't delete it as it will be locked by reading
//create forth file, it will be out-of-time too, but cacher mustn't delete it as it will touched.
//make a delay according to time-of-life
//create fifth, it won't be expired
//open third file on read
//touch forth to overcome out-of-time
//take a small delay
//conclude what exists now
//run cleaning by cacher
//see what are lasted
//there must be third, forth and fifth
if (Directory.Exists(tempDir))
{
Directory.Delete(tempDir);
}
Console.WriteLine(Directory.CreateDirectory(tempDir).FullName);
var FIRST_KEY = "first.txt";
var SECOND_KEY = "second.txt";
var THIRD_KEY = "third.txt";
var FORTH_KEY = "forth.txt";
var FIFTH_KEY = "fifth.txt";
var cacher = new PackageCacherImpl(clearInterval, lifeTime, tempDir);
var FIRST = cacher.ReserveAddress(FIRST_KEY);
var SECOND = cacher.ReserveAddress(SECOND_KEY);
var THIRD = cacher.ReserveAddress(THIRD_KEY);
var FORTH = cacher.ReserveAddress(FORTH_KEY);
var FIFTH = cacher.ReserveAddress(FIFTH_KEY);
CreateFiles(FIRST,SECOND,THIRD,FORTH);
RegisterFiles(cacher, FIRST_KEY, SECOND_KEY, THIRD_KEY, FORTH_KEY);
Thread.Sleep(5*1000);
CreateFile(FIFTH);
RegisterFiles(cacher, FIFTH_KEY);
var readingFile = ReadFile(THIRD);
//It's synchronius
cacher.Get(FORTH_KEY,(x)=>{});
Thread.Sleep(2 * 1000);
Assert.IsTrue(CheckExisting(FIRST,SECOND,THIRD,FORTH,FIFTH));
cacher.Clean();
Assert.IsTrue(CheckExisting(THIRD,FORTH,FIFTH));
}
private void RegisterFiles(PackageCacherImpl cacher, params string[] keys)
{
foreach (var key in keys)
{
cacher.RegisterDownloaded(key,0);
}
}
public void SubscribersTest()
{
//Scenario:
//reserve package name
//try to get package by first subscriber
//try to get package by second subscriber
//register downloaded package
//the first subscriber should get notification
//the second subscriber should get notification
//the third subscriber appears and get package local address
var reservationKey = "ReservationKey";
var cacher = new PackageCacherImpl(clearInterval, lifeTime, tempDir);
var address = cacher.ReserveAddress(reservationKey);
var firstSubscriberGotPackage = false;
cacher.Get(reservationKey, (response) => { firstSubscriberGotPackage = true; });
var secondSubscriberGotPackage = false;
cacher.Get(reservationKey, (response) => { secondSubscriberGotPackage = true; });
cacher.RegisterDownloaded(reservationKey, 0);
var thirdSubscriberGotPackage = false;
cacher.Get(reservationKey, (response) => { thirdSubscriberGotPackage = true; });
Assert.IsTrue(firstSubscriberGotPackage);
Assert.IsTrue(secondSubscriberGotPackage);
Assert.IsTrue(thirdSubscriberGotPackage);
}