public void DoNotCacheScheduledTimeoutsIfMaximumCachedTimeoutInFuture()
{
var now = DateTime.UtcNow;
var futureTime = now.AddMinutes(5);
var sagaStore = new Mock <IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(20));
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny <DateTime>())).Returns(new SagaTimeout[0]);
SystemTime.OverrideWith(() => futureTime);
cache.GetElapsedTimeouts();
SystemTime.OverrideWith(() => now);
cache.GetElapsedTimeouts();
sagaStore.Verify(mock => mock.GetScheduledTimeouts(It.IsAny <DateTime>()), Times.Once());
}
public void CanTolerateCachingSameSagaReferenceMoreThanOnce()
{
var now = DateTime.UtcNow;
var futureTime = now.AddMinutes(10);
var sagaStore = new Mock <IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(5));
var sagaTimeout = new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), futureTime);
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny <DateTime>())).Returns(new[] { sagaTimeout });
SystemTime.OverrideWith(() => now);
cache.GetElapsedTimeouts();
SystemTime.OverrideWith(() => futureTime);
cache.GetElapsedTimeouts();
sagaStore.Verify(mock => mock.GetScheduledTimeouts(It.IsAny <DateTime>()), Times.Exactly(2));
}
public void ReturnEmptySetIfNoTimeoutsCached()
{
var now = DateTime.UtcNow;
var futureTime = now.AddMinutes(5);
var sagaStore = new Mock <IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(20));
SystemTime.OverrideWith(() => futureTime);
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny <DateTime>())).Returns(new SagaTimeout[0]);
Assert.Equal(0, cache.GetElapsedTimeouts().Count());
}
public void DoNotCacheTimeoutsFarInFuture()
{
var now = DateTime.UtcNow;
var sagaStore = new Mock <IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(5));
var sagaTimeout = new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), now.AddMinutes(10));
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny <DateTime>())).Returns(new[] { sagaTimeout });
SystemTime.OverrideWith(() => now);
cache.GetElapsedTimeouts();
cache.ScheduleTimeout(sagaTimeout);
Assert.Equal(0, cache.Count);
}
public void ReturnNextScheduledTimeoutIfCacheHasItems()
{
var now = DateTime.UtcNow;
var nextTimeout = now.AddMinutes(1);
var sagaStore = new Mock <IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(10));
SystemTime.OverrideWith(() => now);
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny <DateTime>())).Returns(new[] {
new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), nextTimeout),
new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), nextTimeout.AddMinutes(5))
});
//NOTE: Because we are using an overriden SystemTime; the get will not actually clear out the cached items.
Assert.Equal(0, cache.GetElapsedTimeouts().Count());
Assert.Equal(nextTimeout, cache.GetNextScheduledTimeout());
}
public void ReturnNextScheduledTimeoutIfCacheHasItems()
{
var now = DateTime.UtcNow;
var nextTimeout = now.AddMinutes(1);
var sagaStore = new Mock<IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(10));
SystemTime.OverrideWith(() => now);
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny<DateTime>())).Returns(new[] {
new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), nextTimeout),
new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), nextTimeout.AddMinutes(5))
});
//NOTE: Because we are using an overriden SystemTime; the get will not actually clear out the cached items.
Assert.Equal(0, cache.GetElapsedTimeouts().Count());
Assert.Equal(nextTimeout, cache.GetNextScheduledTimeout());
}
public void ReturnScheduledTimeoutsInPast()
{
var now = DateTime.UtcNow;
var futureTime = now.AddMinutes(5);
var sagaStore = new Mock <IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(20));
SystemTime.OverrideWith(() => futureTime);
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny <DateTime>())).Returns(new[] {
new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), now.AddMinutes(1)),
new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), now.AddMinutes(5)),
new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), now.AddMinutes(10))
});
var elapsedTimeouts = cache.GetElapsedTimeouts().ToArray();
Assert.Equal(2, elapsedTimeouts.Length);
Assert.Equal(now.AddMinutes(1), elapsedTimeouts[0].Timeout);
Assert.Equal(now.AddMinutes(5), elapsedTimeouts[1].Timeout);
}
public void DoNotCacheScheduledTimeoutsIfMaximumCachedTimeoutInFuture()
{
var now = DateTime.UtcNow;
var futureTime = now.AddMinutes(5);
var sagaStore = new Mock<IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(20));
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny<DateTime>())).Returns(new SagaTimeout[0]);
SystemTime.OverrideWith(() => futureTime);
cache.GetElapsedTimeouts();
SystemTime.OverrideWith(() => now);
cache.GetElapsedTimeouts();
sagaStore.Verify(mock => mock.GetScheduledTimeouts(It.IsAny<DateTime>()), Times.Once());
}
public void ReturnEmptySetIfNoTimeoutsCached()
{
var now = DateTime.UtcNow;
var futureTime = now.AddMinutes(5);
var sagaStore = new Mock<IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(20));
SystemTime.OverrideWith(() => futureTime);
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny<DateTime>())).Returns(new SagaTimeout[0]);
Assert.Equal(0, cache.GetElapsedTimeouts().Count());
}
public void DoNotCacheTimeoutsFarInFuture()
{
var now = DateTime.UtcNow;
var sagaStore = new Mock<IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(5));
var sagaTimeout = new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), now.AddMinutes(10));
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny<DateTime>())).Returns(new[] { sagaTimeout });
SystemTime.OverrideWith(() => now);
cache.GetElapsedTimeouts();
cache.ScheduleTimeout(sagaTimeout);
Assert.Equal(0, cache.Count);
}
public void CanTolerateCachingSameSagaReferenceMoreThanOnce()
{
var now = DateTime.UtcNow;
var futureTime = now.AddMinutes(10);
var sagaStore = new Mock<IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(5));
var sagaTimeout = new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), futureTime);
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny<DateTime>())).Returns(new[] { sagaTimeout });
SystemTime.OverrideWith(() => now);
cache.GetElapsedTimeouts();
SystemTime.OverrideWith(() => futureTime);
cache.GetElapsedTimeouts();
sagaStore.Verify(mock => mock.GetScheduledTimeouts(It.IsAny<DateTime>()), Times.Exactly(2));
}
public void ReturnScheduledTimeoutsInPast()
{
var now = DateTime.UtcNow;
var futureTime = now.AddMinutes(5);
var sagaStore = new Mock<IStoreSagas>();
var cache = new SagaTimeoutCache(sagaStore.Object, TimeSpan.FromMinutes(20));
SystemTime.OverrideWith(() => futureTime);
sagaStore.Setup(mock => mock.GetScheduledTimeouts(It.IsAny<DateTime>())).Returns(new[] {
new SagaTimeout(typeof(Saga), GuidStrategy.NewGuid(), now.AddMinutes(1)),
new SagaTimeout( typeof(Saga), GuidStrategy.NewGuid(), now.AddMinutes(5)),
new SagaTimeout( typeof(Saga),GuidStrategy.NewGuid(), now.AddMinutes(10))
});
var elapsedTimeouts = cache.GetElapsedTimeouts().ToArray();
Assert.Equal(2, elapsedTimeouts.Length);
Assert.Equal(now.AddMinutes(1), elapsedTimeouts[0].Timeout);
Assert.Equal(now.AddMinutes(5), elapsedTimeouts[1].Timeout);
}