public void QueryAsync_WhenExceptionInHandler_ShouldCatchIt()
{
var aggregator = InitAggregator();
aggregator.SubscribeForAsyncResult <TestMessage>(async handler =>
{
await Task.Delay(10).ConfigureAwait(false);
throw new TestException();
});
AggregateExceptionHelper.AssertInnerException <TestException>(aggregator.QueryAsync <TestMessage, string>(new TestMessage()));
}
public void QueryAsync_WhenSubscribedForWrongReturnType_ShouldThrowInvalidCastException()
{
var aggregator = InitAggregator();
aggregator.SubscribeForAsyncResult <TestMessage>(async handler =>
{
await Task.Delay(10).ConfigureAwait(false);
return("Test");
});
AggregateExceptionHelper.AssertInnerException <InvalidCastException>(aggregator.QueryAsync <TestMessage, List <string> >(new TestMessage()));
}
public void QueryWithResults_WhenCanceled_ShouldThrowOperationCanceledException()
{
var aggregator = InitAggregator();
var expected = new List <string> {
"Test", "Test2"
};
aggregator.SubscribeForAsyncResult <TestMessage>(async message =>
{
message.CancellationToken.ThrowIfCancellationRequested();
await Task.Delay(100).ConfigureAwait(false);
return(expected[1]);
});
var ts = new CancellationTokenSource();
ts.Cancel();
var subscription = aggregator.QueryWithResults <TestMessage, string>(new TestMessage(), cancellationToken: ts.Token);
AggregateExceptionHelper.AssertInnerException <TaskCanceledException>(subscription);
}
public void QueryWithResults_WhenLongRun_ShouldTimeOut()
{
var aggregator = InitAggregator();
var expected = new List <string> {
"Test", "Test2"
};
aggregator.SubscribeForAsyncResult <TestMessage>(async handler =>
{
await Task.Delay(100).ConfigureAwait(false);
return(expected[1]);
});
aggregator.SubscribeForAsyncResult <TestMessage>(async handler =>
{
await Task.Delay(100).ConfigureAwait(false);
return(expected[0]);
});
var subscription = aggregator.QueryWithResults <TestMessage, string>(new TestMessage(), behaviors: new BehaviorChain().WithTimeout(TimeSpan.FromMilliseconds(10)));
AggregateExceptionHelper.AssertInnerException <TimeoutException>(subscription);
}