public void AddingEarlierKeyChangeScheduleDate()
{
const int key = 1;
const int key2 = 2;
var scheduler = new ItemsByDateCollection <int>();
var now = DateTime.Now;
scheduler.Add(key, now);
DateTime nextExpirationDate;
Assert.True(scheduler.TryGetNearestDate(out nextExpirationDate));
Assert.AreEqual(now, nextExpirationDate);
var earlierDate = now.AddDays(-1);
scheduler.Add(key2, earlierDate);
DateTime newNextExpirationDate;
Assert.True(scheduler.TryGetNearestDate(out newNextExpirationDate));
Assert.AreEqual(earlierDate, newNextExpirationDate);
var expiredKeys = scheduler.TakeItemsTill(now.AddSeconds(1));
Assert.That(() => expiredKeys, Is.EquivalentTo(new[] { key, key2 }));
}
public void AddingItemAllowToRescheduleIt()
{
const int key = 1;
var scheduler = new ItemsByDateCollection <int>();
var now = DateTime.Now;
scheduler.Add(key, now);
DateTime nextExpirationDate;
Assert.True(scheduler.TryGetNearestDate(out nextExpirationDate));
Assert.AreEqual(now, nextExpirationDate);
var newDate = now.AddSeconds(1);
scheduler.Add(key, newDate);
DateTime newNextExpirationDate;
Assert.True(scheduler.TryGetNearestDate(out newNextExpirationDate));
Assert.AreEqual(newDate, newNextExpirationDate);
var expiredKeys = scheduler.TakeItemsTill(now.AddSeconds(2));
Assert.That(() => expiredKeys, Is.EquivalentTo(new[] { key }));
}
public void AddingExpiredItemAllowsToGetIt()
{
const int key = 1;
var scheduler = new ItemsByDateCollection <int>();
var now = DateTime.Now;
scheduler.Add(key, now);
var expiredKeys = scheduler.TakeItemsTill(now);
Assert.That(() => expiredKeys, Is.EquivalentTo(new[] { key }));
}
public void StopScheduleItemRemovesIt()
{
const int key = 1;
var scheduler = new ItemsByDateCollection <int>();
var now = DateTime.Now;
scheduler.Add(key, now);
scheduler.Remove(key);
DateTime nextExpirationDate;
Assert.False(scheduler.TryGetNearestDate(out nextExpirationDate));
}
public void TakeExpiredKeysShouldRemoveItemsFromSchedule()
{
const int key = 1;
var scheduler = new ItemsByDateCollection <int>();
var now = DateTime.Now;
scheduler.Add(key, now);
Assert.AreEqual(1, scheduler.Count);
var expiredKeys = scheduler.TakeItemsTill(now);
Assert.AreEqual(0, scheduler.Count);
Assert.That(() => expiredKeys, Is.EquivalentTo(new[] { key }));
}
public void AddingKeyToExpiredGroupStaysBothExpired()
{
const int key = 1;
const int key2 = 2;
var scheduler = new ItemsByDateCollection <int>();
var now = DateTime.Now;
scheduler.Add(key, now);
scheduler.Add(key2, now);
DateTime nextExpirationDate;
Assert.True(scheduler.TryGetNearestDate(out nextExpirationDate));
Assert.AreEqual(now, nextExpirationDate);
var expiredKeys = scheduler.TakeItemsTill(now);
Assert.That(() => expiredKeys, Is.EquivalentTo(new[] { key, key2 }));
}
