public void NonRetriableRpcException()
{
ByteString token1 = ByteString.CopyFromUtf8("token1");
ByteString token2 = ByteString.CopyFromUtf8("token2");
var sequence = new TestSequence();
sequence.ExpectConnect(null, StreamInitializationCause.WatchStarting);
sequence.ProvideResponse(WatchResponseResult.Continue);
sequence.ProvideResponse(WatchResponseResult.StreamHealthy, token1);
sequence.ProvideResponse(WatchResponseResult.StreamHealthy, token2);
// This exception is not retriable.
var exception = new RpcException(new Status(StatusCode.InvalidArgument, "This exception is permanent"));
sequence.RpcException(exception);
Task task = sequence.RunToStability();
Assert.Equal(TaskStatus.Faulted, task.Status);
Assert.Equal(exception, task.Exception.InnerException);
sequence.Verify();
}
public void RetriableRpcException()
{
ByteString token1 = ByteString.CopyFromUtf8("token1");
ByteString token2 = ByteString.CopyFromUtf8("token2");
var sequence = new TestSequence();
sequence.ExpectConnect(null, StreamInitializationCause.WatchStarting);
sequence.ProvideResponse(WatchResponseResult.Continue);
sequence.ProvideResponse(WatchResponseResult.StreamHealthy, token1);
sequence.ProvideResponse(WatchResponseResult.StreamHealthy, token2);
sequence.RpcException(new RpcException(new Status(StatusCode.DeadlineExceeded, "This exception is transient")));
// The server threw a retriable exception. Reinitialize.
sequence.ExpectConnect(token2, StreamInitializationCause.RpcError);
sequence.ProvideResponse(WatchResponseResult.Continue);
sequence.WaitForCancellation();
Task task = sequence.RunToStability();
sequence.WatchStream.Stop(CancellationToken.None);
task.Wait();
sequence.Verify();
}