public async Task DirectMethodCallForwarded()
{
var twinHandler = Mock.Of <ITwinHandler>();
var m2mHandler = Mock.Of <IModuleToModuleMessageHandler>();
var c2dHandler = Mock.Of <ICloud2DeviceMessageHandler>();
var directMethodHandler = Mock.Of <IDirectMethodHandler>();
var identity = new DeviceIdentity("hub", "device_id");
var request = new DirectMethodRequest("123", "name", new byte[] { 1, 2, 3 }, TimeSpan.FromSeconds(60));
Mock.Get(directMethodHandler)
.Setup(h => h.CallDirectMethodAsync(It.Is <DirectMethodRequest>(m => m == request), It.Is <IIdentity>(i => i == identity)))
.Returns(Task.FromResult(new DirectMethodResponse("123", new byte[0], 200)));
var sut = new DeviceProxy(identity, twinHandler, m2mHandler, c2dHandler, directMethodHandler);
await sut.InvokeMethodAsync(request);
Mock.Get(directMethodHandler).VerifyAll();
}