public async Task Unconfirmed_Cloud_To_Device_From_Decoder_Should_Call_ClassC_Message_Sender()
{
const uint PayloadFcnt = 10;
const uint InitialDeviceFcntUp = 9;
const uint InitialDeviceFcntDown = 20;
var devEui = new DevEui(2);
var simulatedDevice = new SimulatedDevice(
TestDeviceInfo.CreateABPDevice(1, gatewayID: ServerConfiguration.GatewayID),
frmCntUp: InitialDeviceFcntUp,
frmCntDown: InitialDeviceFcntDown);
var loraDevice = CreateLoRaDevice(simulatedDevice);
LoRaDeviceClient.Setup(x => x.SendEventAsync(It.IsNotNull <LoRaDeviceTelemetry>(), null))
.ReturnsAsync(true);
LoRaDeviceClient.Setup(x => x.ReceiveAsync(It.IsAny <TimeSpan>()))
.ReturnsAsync((Message)null);
var decoderResult = new DecodePayloadResult("1")
{
CloudToDeviceMessage = new ReceivedLoRaCloudToDeviceMessage()
{
Fport = FramePorts.App1,
MessageId = "123",
Payload = "12",
DevEUI = devEui,
},
};
var payloadDecoder = new Mock <ILoRaPayloadDecoder>(MockBehavior.Strict);
payloadDecoder.Setup(x => x.DecodeMessageAsync(simulatedDevice.DevEUI, It.IsNotNull <byte[]>(), FramePorts.App1, It.IsAny <string>()))
.ReturnsAsync(decoderResult);
PayloadDecoder.SetDecoder(payloadDecoder.Object);
using var cache = EmptyMemoryCache();
using var loraDeviceCache = CreateDeviceCache(loraDevice);
using var deviceRegistry = new LoRaDeviceRegistry(ServerConfiguration, cache, LoRaDeviceApi.Object, LoRaDeviceFactory, loraDeviceCache);
using var c2dMessageSent = new SemaphoreSlim(0);
var classCMessageSender = new Mock <IClassCDeviceMessageSender>(MockBehavior.Strict);
classCMessageSender.Setup(x => x.SendAsync(It.Is <IReceivedLoRaCloudToDeviceMessage>(m => !m.Confirmed && m.DevEUI == devEui), It.IsAny <CancellationToken>()))
.ReturnsAsync(true)
.Callback <IReceivedLoRaCloudToDeviceMessage, CancellationToken>((m, _) => c2dMessageSent.Release());
RequestHandlerImplementation.SetClassCMessageSender(classCMessageSender.Object);
// Send to message processor
using var messageProcessor = new MessageDispatcher(
ServerConfiguration,
deviceRegistry,
FrameCounterUpdateStrategyProvider);
var payload = simulatedDevice.CreateUnconfirmedDataUpMessage("1234", fcnt: PayloadFcnt);
using var request = CreateWaitableRequest(payload);
messageProcessor.DispatchRequest(request);
Assert.True(await request.WaitCompleteAsync());
// Expectations
// 1. Message was sent to IoT Hub
LoRaDeviceClient.VerifyAll();
LoRaDeviceApi.VerifyAll();
// 2. No downstream message for the current device is sent
Assert.Null(request.ResponseDownlink);
Assert.True(request.ProcessingSucceeded);
// 4. Frame counter up was updated
Assert.Equal(PayloadFcnt, loraDevice.FCntUp);
// 5. Frame counter down is unchanged
Assert.Equal(InitialDeviceFcntDown, loraDevice.FCntDown);
// 6. Frame count has pending changes
Assert.True(loraDevice.HasFrameCountChanges);
// Ensure the message was sent
Assert.True(await c2dMessageSent.WaitAsync(10 * 1000));
payloadDecoder.VerifyAll();
classCMessageSender.VerifyAll();
}
public async Task When_Using_Custom_Fails_Returns_Sets_Error_Information_In_Value()
{
var simulatedDevice = new SimulatedDevice(TestDeviceInfo.CreateABPDevice(1, gatewayID: ServerGatewayID));
var loRaDevice = CreateLoRaDevice(simulatedDevice);
loRaDevice.SensorDecoder = "http://customdecoder/test1";
// message will be sent
LoRaDeviceTelemetry loRaDeviceTelemetry = null;
LoRaDeviceClient.Setup(x => x.SendEventAsync(It.IsNotNull <LoRaDeviceTelemetry>(), null))
.Callback <LoRaDeviceTelemetry, Dictionary <string, string> >((t, _) => loRaDeviceTelemetry = t)
.ReturnsAsync(true);
// C2D message will be checked
LoRaDeviceClient.Setup(x => x.ReceiveAsync(It.IsNotNull <TimeSpan>()))
.ReturnsAsync((Message)null);
using var cache = EmptyMemoryCache();
using var loraDeviceCache = CreateDeviceCache(loRaDevice);
using var deviceRegistry = new LoRaDeviceRegistry(ServerConfiguration, cache, LoRaDeviceApi.Object, LoRaDeviceFactory, loraDeviceCache);
// Send to message processor
using var messageDispatcher = new MessageDispatcher(
ServerConfiguration,
deviceRegistry,
FrameCounterUpdateStrategyProvider);
using var httpMessageHandler = new HttpMessageHandlerMock();
httpMessageHandler.SetupHandler((r) =>
{
return(new HttpResponseMessage(System.Net.HttpStatusCode.BadRequest)
{
Content = new StringContent("my error", Encoding.UTF8, "application/json"),
});
});
using var httpClient = new HttpClient(httpMessageHandler);
PayloadDecoder.SetDecoder(new LoRaPayloadDecoder(httpClient));
// sends unconfirmed message
var unconfirmedMessagePayload = simulatedDevice.CreateUnconfirmedDataUpMessage("1", fcnt: 1);
using var request = CreateWaitableRequest(unconfirmedMessagePayload);
messageDispatcher.DispatchRequest(request);
Assert.True(await request.WaitCompleteAsync());
Assert.NotNull(loRaDeviceTelemetry);
var rawPayload = Convert.ToBase64String(Encoding.UTF8.GetBytes("1"));
Assert.Equal(rawPayload, loRaDeviceTelemetry.Rawdata);
Assert.IsType <DecodingFailedPayload>(loRaDeviceTelemetry.Data);
var decodedPayload = (DecodingFailedPayload)loRaDeviceTelemetry.Data;
Assert.Equal("SensorDecoderModule 'http://customdecoder/test1?devEUI=0000000000000001&fport=1&payload=MQ%3d%3d' returned bad request.", decodedPayload.Error);
Assert.Equal("my error", decodedPayload.ErrorDetail);
// Validate json
var actualJsonTelemetry = JsonConvert.SerializeObject(loRaDeviceTelemetry, Formatting.None);
var expectedTelemetryJson = $"{{\"time\":100000,\"tmms\":100000,\"freq\":868.3,\"chan\":2,\"rfch\":1,\"modu\":\"LoRa\",\"datr\":\"SF10BW125\",\"rssi\":2.0,\"lsnr\":0.1,\"data\":{{\"error\":\"SensorDecoderModule 'http://customdecoder/test1?devEUI=0000000000000001&fport=1&payload=MQ%3d%3d' returned bad request.\",\"errorDetail\":\"my error\"}},\"port\":1,\"fcnt\":1,\"edgets\":{loRaDeviceTelemetry.Edgets},\"rawdata\":\"{ rawPayload}\",\"eui\":\"0000000000000001\",\"gatewayid\":\"test-gateway\",\"stationeui\":\"0000000000000000\"}}";
Assert.Equal(expectedTelemetryJson, actualJsonTelemetry);
LoRaDeviceApi.VerifyAll();
LoRaDeviceClient.VerifyAll();
}
public async Task When_Resent_Message_Using_Custom_Decoder_Returns_Complex_Object_Should_Send_Decoded_Value()
{
var simulatedDevice = new SimulatedDevice(TestDeviceInfo.CreateABPDevice(1, gatewayID: ServerGatewayID));
var loRaDevice = CreateLoRaDevice(simulatedDevice);
loRaDevice.SensorDecoder = "http://customdecoder/test1";
// message will be sent
LoRaDeviceTelemetry loRaDeviceTelemetry = null;
_ = LoRaDeviceClient.Setup(x => x.SendEventAsync(It.IsNotNull <LoRaDeviceTelemetry>(), null))
.Callback <LoRaDeviceTelemetry, Dictionary <string, string> >((t, _) => loRaDeviceTelemetry = t)
.ReturnsAsync(true);
_ = LoRaDeviceClient.Setup(x => x.UpdateReportedPropertiesAsync(It.IsAny <TwinCollection>(), It.IsAny <CancellationToken>())).ReturnsAsync(true);
// C2D message will be checked
// LoRaDeviceClient.Setup(x => x.ReceiveAsync(It.IsNotNull<TimeSpan>()))
// .ReturnsAsync((Message)null);
using var cache = EmptyMemoryCache();
using var loraDeviceCache = CreateDeviceCache(loRaDevice);
using var deviceRegistry = new LoRaDeviceRegistry(ServerConfiguration, cache, LoRaDeviceApi.Object, LoRaDeviceFactory, loraDeviceCache);
// Send to message processor
using var messageDispatcher = new MessageDispatcher(
ServerConfiguration,
deviceRegistry,
FrameCounterUpdateStrategyProvider);
var decodedObject = new { temp = 10, humidity = 22.1, text = "abc", cloudToDeviceMessage = new { test = 1 } };
using var httpMessageHandler = new HttpMessageHandlerMock();
_ = httpMessageHandler.SetupHandler((r) =>
{
return(new HttpResponseMessage(System.Net.HttpStatusCode.OK)
{
Content = new StringContent(JsonConvert.SerializeObject(decodedObject), Encoding.UTF8, "application/json"),
});
});
using var httpClient = new HttpClient(httpMessageHandler);
PayloadDecoder.SetDecoder(new LoRaPayloadDecoder(httpClient));
// sends confirmed message
var confirmedMessagePayload = simulatedDevice.CreateConfirmedDataUpMessage("1", fcnt: 10);
using var request = CreateWaitableRequest(confirmedMessagePayload);
messageDispatcher.DispatchRequest(request);
Assert.True(await request.WaitCompleteAsync());
Assert.NotNull(request.ResponseDownlink);
Assert.NotNull(loRaDeviceTelemetry);
var rawPayload = Convert.ToBase64String(Encoding.UTF8.GetBytes("1"));
Assert.Equal(rawPayload, loRaDeviceTelemetry.Rawdata);
// Validate json
var actualJsonTelemetry = JsonConvert.SerializeObject(loRaDeviceTelemetry, Formatting.None);
var expectedTelemetryJson = $"{{\"time\":100000,\"tmms\":100000,\"freq\":868.3,\"chan\":2,\"rfch\":1,\"modu\":\"LoRa\",\"datr\":\"SF10BW125\",\"rssi\":2.0,\"lsnr\":0.1,\"data\":{{\"temp\":10,\"humidity\":22.1,\"text\":\"abc\"}},\"port\":1,\"fcnt\":10,\"edgets\":{loRaDeviceTelemetry.Edgets},\"rawdata\":\"{rawPayload}\",\"eui\":\"0000000000000001\",\"gatewayid\":\"test-gateway\",\"stationeui\":\"0000000000000000\"}}";
Assert.Equal(expectedTelemetryJson, actualJsonTelemetry);
// send a second confirmed message with same fcnt to simulate
using var request2 = CreateWaitableRequest(confirmedMessagePayload);
messageDispatcher.DispatchRequest(request2);
Assert.True(await request2.WaitCompleteAsync());
Assert.NotNull(request2.ResponseDownlink);
Assert.NotNull(loRaDeviceTelemetry);
var rawPayload2 = Convert.ToBase64String(Encoding.UTF8.GetBytes("1"));
Assert.Equal(rawPayload2, loRaDeviceTelemetry.Rawdata);
LoRaDeviceClient.Verify(x => x.SendEventAsync(It.IsNotNull <LoRaDeviceTelemetry>(), null), Times.Exactly(2));
LoRaDeviceApi.VerifyAll();
LoRaDeviceClient.VerifyAll();
}
public async Task Unconfirmed_Cloud_To_Device_From_Decoder_Should_Send_Downstream_Message(string c2dDevEUI)
{
const uint PayloadFcnt = 10;
const uint InitialDeviceFcntUp = 9;
const uint InitialDeviceFcntDown = 20;
var simulatedDevice = new SimulatedDevice(
TestDeviceInfo.CreateABPDevice(1, gatewayID: ServerConfiguration.GatewayID),
frmCntUp: InitialDeviceFcntUp,
frmCntDown: InitialDeviceFcntDown);
var loraDevice = CreateLoRaDevice(simulatedDevice);
LoRaDeviceClient.Setup(x => x.SendEventAsync(It.IsNotNull <LoRaDeviceTelemetry>(), null))
.ReturnsAsync(true);
var decoderResult = new DecodePayloadResult("1")
{
CloudToDeviceMessage = new ReceivedLoRaCloudToDeviceMessage()
{
Fport = TestPort,
MessageId = "123",
Payload = "12",
DevEUI = c2dDevEUI is { } someDevEui?DevEui.Parse(someDevEui) : null
},
};
var payloadDecoder = new Mock <ILoRaPayloadDecoder>(MockBehavior.Strict);
payloadDecoder.Setup(x => x.DecodeMessageAsync(simulatedDevice.DevEUI, It.IsNotNull <byte[]>(), TestPort, It.IsAny <string>()))
.ReturnsAsync(decoderResult);
PayloadDecoder.SetDecoder(payloadDecoder.Object);
using var cache = EmptyMemoryCache();
using var loraDeviceCache = CreateDeviceCache(loraDevice);
using var deviceRegistry = new LoRaDeviceRegistry(ServerConfiguration, cache, LoRaDeviceApi.Object, LoRaDeviceFactory, loraDeviceCache);
// Send to message processor
using var messageProcessor = new MessageDispatcher(
ServerConfiguration,
deviceRegistry,
FrameCounterUpdateStrategyProvider);
var payload = simulatedDevice.CreateUnconfirmedDataUpMessage("1234", fcnt: PayloadFcnt);
using var request = CreateWaitableRequest(payload);
messageProcessor.DispatchRequest(request);
Assert.True(await request.WaitCompleteAsync());
// Expectations
// 1. Message was sent to IoT Hub
LoRaDeviceClient.VerifyAll();
LoRaDeviceApi.VerifyAll();
// 2. Return is downstream message
Assert.NotNull(request.ResponseDownlink);
Assert.True(request.ProcessingSucceeded);
Assert.Single(DownstreamMessageSender.DownlinkMessages);
var downlinkMessage = DownstreamMessageSender.DownlinkMessages[0];
var payloadDataDown = new LoRaPayloadData(downlinkMessage.Data);
payloadDataDown.Serialize(loraDevice.AppSKey.Value);
Assert.Equal(payloadDataDown.DevAddr, loraDevice.DevAddr);
Assert.False(payloadDataDown.IsConfirmed);
Assert.Equal(MacMessageType.UnconfirmedDataDown, payloadDataDown.MessageType);
// 4. Frame counter up was updated
Assert.Equal(PayloadFcnt, loraDevice.FCntUp);
// 5. Frame counter down is updated
Assert.Equal(InitialDeviceFcntDown + 1, loraDevice.FCntDown);
Assert.Equal(InitialDeviceFcntDown + 1, payloadDataDown.Fcnt);
// 6. Frame count has pending changes
Assert.True(loraDevice.HasFrameCountChanges);
LoRaDeviceApi.VerifyAll();
LoRaDeviceClient.VerifyAll();
payloadDecoder.VerifyAll();
}
