public void When_Creating_Join_Request_Recreating_Should_Pass_Mic_Check(
string appEUIText,
string devEUIText,
string appKeyText,
string devNonceText)
{
var wrongAppKeyText = "00000000000000000000000000003333";
// create a join request
var devNonce = ConversionHelper.StringToByteArray(devNonceText);
Array.Reverse(devNonce);
var join = new LoRaPayloadJoinRequest(appEUIText, devEUIText, devNonce);
Assert.Equal(appEUIText, join.GetAppEUIAsString());
Assert.Equal(devEUIText, join.GetDevEUIAsString());
var uplinkMessage = join.SerializeUplink(appKeyText);
Assert.False(join.CheckMic(wrongAppKeyText), "Mic check with wrong appKey should not pass");
Assert.True(join.CheckMic(appKeyText), "Mic check should work after setting it");
var rxpk = uplinkMessage.Rxpk[0];
Assert.True(LoRaPayload.TryCreateLoRaPayload(rxpk, out LoRaPayload parsedLoRaPayload));
Assert.IsType <LoRaPayloadJoinRequest>(parsedLoRaPayload);
var parsedLoRaJoinRequest = (LoRaPayloadJoinRequest)parsedLoRaPayload;
Assert.True(parsedLoRaPayload.CheckMic(appKeyText), "Parsed join request should pass mic check with correct appKey");
Assert.False(parsedLoRaJoinRequest.CheckMic(wrongAppKeyText), "Parsed join request should not pass mic check with wrong appKey");
}