public async Task SubscriberEnabled_OnKeyChangedExternally_NotificationRaisedAsExpected(KeyEventType eventTypes)
{
var keyPrefix = Guid.NewGuid().ToString();
using var connection = BuildConnection();
using var cache1 = BuildRedisCache(connection, keyPrefix: keyPrefix, keyEventTypesToSubscribeTo: eventTypes);
using var cache2 = BuildRedisCache(connection, keyPrefix: keyPrefix);
var values = Enumerable
.Range(0, 10)
.Select(i => new KeyValuePair <int, TestClass>(i, new TestClass(i)))
.ToArray();
var expectedEvents = new List <(string, KeyEventType)>();
if (eventTypes.HasFlag(KeyEventType.Set))
{
expectedEvents.AddRange(values.Select(kv => (kv.Key.ToString(), KeyEventType.Set)));
}
if (eventTypes.HasFlag(KeyEventType.Del))
{
expectedEvents.Add(("1", KeyEventType.Del));
}
if (eventTypes.HasFlag(KeyEventType.Expired))
{
expectedEvents.AddRange(values.Skip(2).Select(kv => (kv.Key.ToString(), KeyEventType.Expired)));
}
expectedEvents = expectedEvents
.OrderBy(t => t.Item1)
.ThenBy(t => t.Item2)
.ToList();
using var countdown = new CountdownEvent(expectedEvents.Count);
var keysChangedRemotely = new ConcurrentBag <(string, KeyEventType)>();
using var _ = cache1.KeysChangedRemotely.Subscribe(t =>
{
keysChangedRemotely.Add((t.Key, t.EventType));
countdown.Signal();
});
await cache1
.SetMany(values, TimeSpan.FromSeconds(10))
.ConfigureAwait(false);
await Task.Delay(TimeSpan.FromSeconds(2)).ConfigureAwait(false);
keysChangedRemotely.Should().BeEmpty();
await cache2
.SetMany(values.ToArray(), TimeSpan.FromMilliseconds(500))
.ConfigureAwait(false);
await cache1.TryRemove(0).ConfigureAwait(false);
await cache2.TryRemove(1).ConfigureAwait(false);
countdown.Wait(TimeSpan.FromSeconds(10)).Should().BeTrue();
keysChangedRemotely.OrderBy(t => t.Item1).ThenBy(t => t.Item2).Should().BeEquivalentTo(expectedEvents);
}
