public void UpdateLeaseTest()
{
var dateTimeProvider = new DebugDateTimeProvider();
var storedSessionManager = new StoredSessionManager(dateTimeProvider);
var leaseLength = TimeSpan.FromSeconds(1);
var leaseLengthHalf = new TimeSpan(leaseLength.Ticks / 2);
var key = "mysession";
var updateTime = dateTimeProvider.CurrentTime + leaseLengthHalf;
var leaseEndBeforeUpdate = dateTimeProvider.CurrentTime + leaseLength;
var leaseEndAfterUpdate = updateTime + leaseLength;
var storedSession = storedSessionManager.Begin(key, leaseEndBeforeUpdate);
dateTimeProvider.CurrentTime = updateTime;
// We update the lease after a half lease length
storedSession = storedSessionManager.UpdateLease(storedSession, leaseEndAfterUpdate);
// Our time is the end of the original lease, before the update
dateTimeProvider.CurrentTime = leaseEndBeforeUpdate;
Assert.IsFalse(storedSessionManager.IsEnded(storedSession));
// Our time is the end the updatd lease. The session should be ended now.
dateTimeProvider.CurrentTime = leaseEndAfterUpdate;
Assert.IsTrue(storedSessionManager.IsEnded(storedSession));
Assert.AreEqual(2, storedSession.StorageVersion);
// This should be a nop
storedSession = storedSessionManager.UpdateLease(storedSession, leaseEndAfterUpdate + leaseLength);
Assert.IsTrue(storedSessionManager.IsEnded(storedSession));
Assert.AreEqual(2, storedSession.StorageVersion);
}
public void DecreaseLeaseTest()
{
var dateTimeProvider = new DebugDateTimeProvider();
var storedSessionManager = new StoredSessionManager(dateTimeProvider);
var leaseLength = TimeSpan.FromSeconds(1);
var leaseLengthHalf = new TimeSpan(leaseLength.Ticks / 2);
var key = "mysession";
var leaseEnd = dateTimeProvider.CurrentTime + leaseLength;
var updateTime = dateTimeProvider.CurrentTime + leaseLengthHalf;
var storedSession = storedSessionManager.Begin(key, leaseEnd);
storedSession = storedSessionManager.UpdateLease(storedSession, updateTime);
Assert.AreEqual(1, storedSession.StorageVersion);
Assert.AreEqual(leaseEnd, storedSession.LeaseEnd);
}