public void When_Creating_Rxpk_Recreating_Payload_Should_Match_Source_Values(LoRaMessageType loRaMessageType, string data)
{
var devAddrText = "00000060";
var appSKeyText = "00000060000000600000006000000060";
var nwkSKeyText = "00000060000000600000006000000060";
ushort fcnt = 12;
byte[] devAddr = ConversionHelper.StringToByteArray(devAddrText);
Array.Reverse(devAddr);
byte[] fCtrl = new byte[] { 0x80 };
var fcntBytes = BitConverter.GetBytes(fcnt);
var fopts = new List <MacCommand>();
byte[] fPort = new byte[] { 1 };
byte[] payload = Encoding.UTF8.GetBytes(data);
Array.Reverse(payload);
// 0 = uplink, 1 = downlink
int direction = 0;
var devicePayloadData = new LoRaPayloadData(loRaMessageType, devAddr, fCtrl, fcntBytes, fopts, fPort, payload, direction);
Assert.Equal(12, devicePayloadData.GetFcnt());
Assert.Equal(0, devicePayloadData.Direction);
Assert.Equal(1, devicePayloadData.GetFPort());
var datr = "SF10BW125";
var freq = 868.3;
var uplinkMsg = devicePayloadData.SerializeUplink(appSKeyText, nwkSKeyText, datr, freq, 0);
// Now try to recreate LoRaPayloadData from rxpk
Assert.True(LoRaPayload.TryCreateLoRaPayload(uplinkMsg.Rxpk[0], out LoRaPayload parsedLoRaPayload));
Assert.Equal(loRaMessageType, parsedLoRaPayload.LoRaMessageType);
Assert.IsType <LoRaPayloadData>(parsedLoRaPayload);
var parsedLoRaPayloadData = (LoRaPayloadData)parsedLoRaPayload;
Assert.Equal(12, parsedLoRaPayloadData.GetFcnt());
Assert.Equal(0, parsedLoRaPayloadData.Direction);
Assert.Equal(1, parsedLoRaPayloadData.GetFPort());
// Ensure that mic check and getting payload back works
Assert.True(parsedLoRaPayloadData.CheckMic(nwkSKeyText)); // does not matter where the check mic happen, should always work!
var parsedPayloadBytes = parsedLoRaPayloadData.GetDecryptedPayload(appSKeyText);
Assert.Equal(data, Encoding.UTF8.GetString(parsedPayloadBytes));
// checking mic and getting payload should not change the payload properties
Assert.Equal(12, parsedLoRaPayloadData.GetFcnt());
Assert.Equal(0, parsedLoRaPayloadData.Direction);
Assert.Equal(1, parsedLoRaPayloadData.GetFPort());
// checking mic should not break getting the payload
Assert.True(parsedLoRaPayloadData.CheckMic(nwkSKeyText)); // does not matter where the check mic happen, should always work!
var parsedPayloadBytes2 = parsedLoRaPayloadData.GetDecryptedPayload(appSKeyText);
Assert.Equal(data, Encoding.UTF8.GetString(parsedPayloadBytes2));
// checking mic and getting payload should not change the payload properties
Assert.Equal(12, parsedLoRaPayloadData.GetFcnt());
Assert.Equal(0, parsedLoRaPayloadData.Direction);
Assert.Equal(1, parsedLoRaPayloadData.GetFPort());
}
