public async Task Database_command_timeouts_during_catchup_do_not_interrupt_catchup()
{
// reset read model tracking to 0
ReadModelDbContext().DisposeAfter(c =>
{
var projectorName = ReadModelInfo.NameForProjector(new Projector <Order.CustomerInfoChanged>());
c.Set <ReadModelInfo>()
.SingleOrDefault(i => i.Name == projectorName)
.IfNotNull()
.ThenDo(i => { i.CurrentAsOfEventId = 0; });
c.SaveChanges();
});
var exceptions = new Stack <Exception>(Enumerable.Range(1, 2)
.Select(_ => new InvalidOperationException("Invalid attempt to call IsDBNull when reader is closed.")));
var count = 0;
var flakyEvents = new FlakyEventStream(
Enumerable.Range(1, 1000)
.Select(i => new StorableEvent
{
AggregateId = Any.Guid(),
Body = new Order.CustomerInfoChanged {
CustomerName = i.ToString()
}.ToJson(),
SequenceNumber = i,
StreamName = typeof(Order).Name,
Timestamp = DateTimeOffset.Now,
Type = typeof(Order.CustomerInfoChanged).Name,
Id = i
}).ToArray(),
startFlakingOnEnumeratorNumber: 2,
doSomethingFlaky: i =>
{
if (count++ > 50)
{
count = 0;
if (exceptions.Any())
{
throw exceptions.Pop();
}
}
});
var names = new HashSet <string>();
var projector = new Projector <Order.CustomerInfoChanged>
{
OnUpdate = (work, e) => names.Add(e.CustomerName)
};
using (var catchup = CreateReadModelCatchup(projector))
{
await catchup.Run();
}
projector.CallCount.Should().Be(1000);
names.Count.Should().Be(1000);
}
public FlakyEnumerator(FlakyEventStream eventStream)
{
this.eventStream = eventStream;
}
