public void can_cancel_long_read()
{
foreach (var conn in _stores)
{
_count = 0;
var reader = new StreamReader("TestReader", conn, _streamNameBuilder, _serializer);
var longStreamName = _streamNameBuilder.GenerateForAggregate(typeof(TestAggregate), Guid.NewGuid());
const int ManyEvents = 1000;
AppendEventArray(ManyEvents, conn, longStreamName);
reader.EventStream.Subscribe <Event>(this);
_gotEvent = e =>
{
if (_count == 100)
{
reader.Cancel();
}
Thread.Sleep(10);
};
// forward
reader.Read(longStreamName);
_toh.WriteLine($"Read events: {_count} out of {ManyEvents}, cancelled >= #100");
Assert.Equal(101, _count); // counter increased after cancellation - expected 101
// reset
_count = 0;
// backward
reader.Read(longStreamName, readBackwards: true);
_toh.WriteLine($"Read events: {_count} out of {ManyEvents}, cancelled >= #100");
Assert.Equal(101, _count);
}
}