public async Task ForwardsTwinPatchOperationToTheCloudProxy()
{
var connMgr = Mock.Of <IConnectionManager>();
var identity = Mock.Of <IModuleIdentity>(m => m.DeviceId == "device1" && m.ModuleId == "module1" && m.Id == "device1/module1");
var cloudProxy = Mock.Of <ICloudProxy>();
IMessage receivedMessage = null;
var edgeHub = new Mock <IEdgeHub>();
edgeHub.Setup(e => e.UpdateReportedPropertiesAsync(It.IsAny <IIdentity>(), It.IsAny <IMessage>()))
.Callback <IIdentity, IMessage>((id, m) => receivedMessage = m)
.Returns(Task.CompletedTask);
Mock.Get(connMgr).Setup(c => c.GetCloudConnection(It.IsAny <string>())).Returns(Option.Some(cloudProxy));
var listener = new DeviceMessageHandler(identity, edgeHub.Object, connMgr);
var underlyingDeviceProxy = new Mock <IDeviceProxy>();
bool updateSent = false;
underlyingDeviceProxy.Setup(d => d.SendTwinUpdate(It.IsAny <IMessage>()))
.Callback(() => updateSent = true)
.Returns(Task.CompletedTask);
listener.BindDeviceProxy(underlyingDeviceProxy.Object);
IMessage message = new EdgeMessage.Builder(Encoding.UTF8.GetBytes("don't care")).Build();
await listener.UpdateReportedPropertiesAsync(message, Guid.NewGuid().ToString());
edgeHub.VerifyAll();
Assert.True(updateSent);
Assert.NotNull(receivedMessage);
Assert.Equal(Constants.TwinChangeNotificationMessageSchema, receivedMessage.SystemProperties[SystemProperties.MessageSchema]);
Assert.Equal(Constants.TwinChangeNotificationMessageType, receivedMessage.SystemProperties[SystemProperties.MessageType]);
Assert.Equal("device1", receivedMessage.SystemProperties[SystemProperties.ConnectionDeviceId]);
Assert.Equal("module1", receivedMessage.SystemProperties[SystemProperties.ConnectionModuleId]);
Assert.True(receivedMessage.SystemProperties.ContainsKey(SystemProperties.EnqueuedTime));
}
