public async Task Should_clear_dispatched_messages_after_given_expiry()
        {
            var storage = new NonDurableOutboxStorage();

            var messageId = "myId";

            var beforeStore = DateTime.UtcNow;

            var messageToStore = new OutboxMessage(messageId, new[] { new TransportOperation("x", null, null, null) });

            using (var transaction = await storage.BeginTransaction(new ContextBag()))
            {
                await storage.Store(messageToStore, transaction, new ContextBag());

                await transaction.Commit();
            }

            // Account for the low resolution of DateTime.UtcNow.
            var afterStore = DateTime.UtcNow.AddTicks(1);

            await storage.SetAsDispatched(messageId, new ContextBag());

            storage.RemoveEntriesOlderThan(beforeStore);

            var message = await storage.Get(messageId, new ContextBag());

            Assert.NotNull(message);

            storage.RemoveEntriesOlderThan(afterStore);

            message = await storage.Get(messageId, new ContextBag());

            Assert.Null(message);
        }
        public async Task Should_not_remove_non_dispatched_messages()
        {
            var storage = new NonDurableOutboxStorage();

            var messageId = "myId";

            var messageToStore = new OutboxMessage(messageId, new[] { new TransportOperation("x", null, null, null) });

            using (var transaction = await storage.BeginTransaction(new ContextBag()))
            {
                await storage.Store(messageToStore, transaction, new ContextBag());

                await transaction.Commit();
            }

            storage.RemoveEntriesOlderThan(DateTime.UtcNow);

            var message = await storage.Get(messageId, new ContextBag());

            Assert.NotNull(message);
        }