public async Task StartAsync_processes_handle_proxy_delegates(int concurrency, int delegatesNumber)
{
var channel = Channel.CreateUnbounded <HandleProxy>();
var configuration = new BackgroundHandleProxyProcessorConfiguration(concurrency);
var logger = Mock.Of <ILogger <BackgroundHandleProxyProcessor> >();
var processor = new BackgroundHandleProxyProcessor(channel.Reader, configuration, logger);
_ = processor.StartAsync(CancellationToken.None);
AsyncAutoResetEvent resetEvent = new AsyncAutoResetEvent(false);
Task WriteAsyncDelegate(int index) => channel.Writer.WriteAsync(cancellationToken =>
{
logger.LogInformation($"item: {index}");
if (index == delegatesNumber - 1)
{
resetEvent.Set();
}
return(Task.CompletedTask);
}).AsTask();
Task[] writeTasks = Enumerable.Range(0, delegatesNumber).Select(WriteAsyncDelegate).ToArray();
await Task.WhenAll(writeTasks);
await resetEvent.WaitAsync();
Mock.Get(logger)
.Verify(
l => l.Log(
It.Is <LogLevel>(l => l == LogLevel.Information),
It.IsAny <EventId>(),
It.IsAny <It.IsAnyType>(),
It.Is <Exception>(e => e == null),
It.IsAny <Func <It.IsAnyType, Exception, string> >()),
Times.Exactly(delegatesNumber));
}
public async Task StartAsync_processes_handle_proxy_delegates(int delegatesNumber)
{
var queue = new BackgroundHandleProxyQueue();
var logger = Mock.Of <ILogger <BackgroundHandleProxyProcessor> >();
var processor = new BackgroundHandleProxyProcessor(queue, logger);
_ = processor.StartAsync(CancellationToken.None);
AsyncAutoResetEvent resetEvent = new AsyncAutoResetEvent(false);
Task EnqueueAsyncDelegate(int index) => queue.EnqueueAsync(cancellationToken =>
{
logger.LogInformation($"item: {index}");
if (index == delegatesNumber - 1)
{
resetEvent.Set();
}
return(Task.CompletedTask);
}, default).AsTask();
Task[] enqueueTasks = Enumerable.Range(0, delegatesNumber).Select(EnqueueAsyncDelegate).ToArray();
await Task.WhenAll(enqueueTasks);
await resetEvent.WaitAsync();
Mock.Get(logger)
.Verify(
l => l.Log(
It.Is <LogLevel>(l => l == LogLevel.Information),
It.IsAny <EventId>(),
It.IsAny <It.IsAnyType>(),
It.Is <Exception>(e => e == null),
It.IsAny <Func <It.IsAnyType, Exception, string> >()),
Times.Exactly(delegatesNumber));
}
