mibupload_test.go

/*
 * Copyright (c) 2018 - present.  Boling Consulting Solutions (bcsw.net)
 * Copyright 2020-present Open Networking Foundation

 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at

 * http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package omci_test

import (
	"fmt"
	"github.com/google/gopacket"
	. "github.com/opencord/omci-lib-go/v2"
	me "github.com/opencord/omci-lib-go/v2/generated"
	"github.com/stretchr/testify/assert"
	"strings"
	"testing"
)

func TestMibUploadRequestDecode(t *testing.T) {
	goodMessage := "03604d0a00020000000000000000000000000000000000000000000000000000000000000000000000000028"
	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.NotNil(t, omciMsg)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadRequest, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x0360), omciMsg.TransactionID)
	assert.Equal(t, MibUploadRequestType, omciMsg.MessageType)
	assert.Equal(t, BaselineIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(40), omciMsg.Length)
	msgLayer := packet.Layer(LayerTypeMibUploadRequest)

	assert.NotNil(t, msgLayer)

	request, ok2 := msgLayer.(*MibUploadRequest)
	assert.True(t, ok2)
	assert.NotNil(t, request)
	assert.Equal(t, LayerTypeMibUploadRequest, request.LayerType())
	assert.Equal(t, LayerTypeMibUploadRequest, request.CanDecode())
	assert.Equal(t, gopacket.LayerTypePayload, request.NextLayerType())

	// Verify string output for message
	packetString := packet.String()
	assert.NotZero(t, len(packetString))
}

func TestMibUploadRequestDecodeExtended(t *testing.T) {
	goodMessage := "03604d0b000200000000"
	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.NotNil(t, omciMsg)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadRequest, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x0360), omciMsg.TransactionID)
	assert.Equal(t, MibUploadRequestType, omciMsg.MessageType)
	assert.Equal(t, ExtendedIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(0), omciMsg.Length)
	msgLayer := packet.Layer(LayerTypeMibUploadRequest)

	assert.NotNil(t, msgLayer)

	request, ok2 := msgLayer.(*MibUploadRequest)
	assert.True(t, ok2)
	assert.NotNil(t, request)
	assert.Equal(t, LayerTypeMibUploadRequest, request.LayerType())
	assert.Equal(t, LayerTypeMibUploadRequest, request.CanDecode())
	assert.Equal(t, gopacket.LayerTypePayload, request.NextLayerType())

	// Verify string output for message
	packetString := packet.String()
	assert.NotZero(t, len(packetString))
}

func TestMibUploadRequestSerialize(t *testing.T) {
	goodMessage := "03604d0a00020000000000000000000000000000000000000000000000000000000000000000000000000028"

	omciLayer := &OMCI{
		TransactionID: 0x0360,
		MessageType:   MibUploadRequestType,
		// DeviceIdentifier: omci.BaselineIdent,		// Optional, defaults to Baseline
		// Length:           0x28,						// Optional, defaults to 40 octets
	}
	request := &MibUploadRequest{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
		},
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	err := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, err)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadRequestZeroTICSerialize(t *testing.T) {
	omciLayer := &OMCI{
		TransactionID: 0x0,
		MessageType:   MibUploadRequestType,
		// DeviceIdentifier: omci.BaselineIdent,		// Optional, defaults to Baseline
		// Length:           0x28,						// Optional, defaults to 40 octets
	}
	request := &MibUploadRequest{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
		},
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	err := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.Error(t, err)
}

func TestMibUploadRequestSerializeExtended(t *testing.T) {
	goodMessage := "03604d0b000200000000"

	omciLayer := &OMCI{
		TransactionID:    0x0360,
		MessageType:      MibUploadRequestType,
		DeviceIdentifier: ExtendedIdent,
	}
	request := &MibUploadRequest{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
			Extended:       true,
		},
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	err := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, err)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadResponseDecode(t *testing.T) {
	goodMessage := "03602d0a00020000011200000000000000000000000000000000000000000000000000000000000000000028"
	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.NotNil(t, omciMsg)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadResponse, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x0360), omciMsg.TransactionID)
	assert.Equal(t, MibUploadResponseType, omciMsg.MessageType)
	assert.Equal(t, BaselineIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(40), omciMsg.Length)

	msgLayer := packet.Layer(LayerTypeMibUploadResponse)
	assert.NotNil(t, msgLayer)

	response, ok2 := msgLayer.(*MibUploadResponse)
	assert.True(t, ok2)
	assert.NotNil(t, response)
	assert.Equal(t, LayerTypeMibUploadResponse, response.LayerType())
	assert.Equal(t, LayerTypeMibUploadResponse, response.CanDecode())
	assert.Equal(t, gopacket.LayerTypePayload, response.NextLayerType())
	assert.Equal(t, response.NumberOfCommands, uint16(0x112))
}

func TestMibUploadResponseDecodeExtended(t *testing.T) {
	goodMessage := "03602d0b0002000000020112"
	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.NotNil(t, omciMsg)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadResponse, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x0360), omciMsg.TransactionID)
	assert.Equal(t, MibUploadResponseType, omciMsg.MessageType)
	assert.Equal(t, ExtendedIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(2), omciMsg.Length)

	msgLayer := packet.Layer(LayerTypeMibUploadResponse)
	assert.NotNil(t, msgLayer)

	response, ok2 := msgLayer.(*MibUploadResponse)
	assert.True(t, ok2)
	assert.NotNil(t, response)
	assert.Equal(t, LayerTypeMibUploadResponse, response.LayerType())
	assert.Equal(t, LayerTypeMibUploadResponse, response.CanDecode())
	assert.Equal(t, gopacket.LayerTypePayload, response.NextLayerType())
	assert.Equal(t, response.NumberOfCommands, uint16(0x112))
}

func TestMibUploadResponseSerialize(t *testing.T) {
	goodMessage := "03602d0a00020000011200000000000000000000000000000000000000000000000000000000000000000028"

	omciLayer := &OMCI{
		TransactionID: 0x0360,
		MessageType:   MibUploadResponseType,
		// DeviceIdentifier: omci.BaselineIdent,		// Optional, defaults to Baseline
		// Length:           0x28,						// Optional, defaults to 40 octets
	}
	request := &MibUploadResponse{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
		},
		NumberOfCommands: uint16(0x112),
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	err := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, err)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadResponseZeroTICSerialize(t *testing.T) {
	omciLayer := &OMCI{
		TransactionID: 0x0,
		MessageType:   MibUploadResponseType,
		// DeviceIdentifier: omci.BaselineIdent,		// Optional, defaults to Baseline
		// Length:           0x28,						// Optional, defaults to 40 octets
	}
	request := &MibUploadResponse{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
		},
		NumberOfCommands: uint16(0x112),
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	err := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.Error(t, err)
}

func TestMibUploadResponseSerializeExtended(t *testing.T) {
	goodMessage := "03602d0b0002000000020112"

	omciLayer := &OMCI{
		TransactionID:    0x0360,
		MessageType:      MibUploadResponseType,
		DeviceIdentifier: ExtendedIdent,
	}
	request := &MibUploadResponse{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
			Extended:       true,
		},
		NumberOfCommands: uint16(0x112),
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	err := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, err)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadNextRequestDecode(t *testing.T) {
	goodMessage := "02864e0a00020000003a00000000000000000000000000000000000000000000000000000000000000000028"
	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadNextRequest, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x0286), omciMsg.TransactionID)
	assert.Equal(t, MibUploadNextRequestType, omciMsg.MessageType)
	assert.Equal(t, BaselineIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(40), omciMsg.Length)

	msgLayer := packet.Layer(LayerTypeMibUploadNextRequest)
	assert.NotNil(t, msgLayer)

	request, ok2 := msgLayer.(*MibUploadNextRequest)
	assert.True(t, ok2)
	assert.NotNil(t, request)
	assert.Equal(t, LayerTypeMibUploadNextRequest, request.LayerType())
	assert.Equal(t, LayerTypeMibUploadNextRequest, request.CanDecode())
	assert.Equal(t, gopacket.LayerTypePayload, request.NextLayerType())
	assert.Equal(t, uint16(0x3a), request.CommandSequenceNumber)

	// Verify string output for message
	packetString := packet.String()
	assert.NotZero(t, len(packetString))
}

func TestMibUploadNextRequestDecodeExtended(t *testing.T) {
	goodMessage := "02864e0b000200000002003a"
	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadNextRequest, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x0286), omciMsg.TransactionID)
	assert.Equal(t, MibUploadNextRequestType, omciMsg.MessageType)
	assert.Equal(t, ExtendedIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(2), omciMsg.Length)

	msgLayer := packet.Layer(LayerTypeMibUploadNextRequest)
	assert.NotNil(t, msgLayer)

	request, ok2 := msgLayer.(*MibUploadNextRequest)
	assert.True(t, ok2)
	assert.NotNil(t, request)
	assert.Equal(t, LayerTypeMibUploadNextRequest, request.LayerType())
	assert.Equal(t, LayerTypeMibUploadNextRequest, request.CanDecode())
	assert.Equal(t, gopacket.LayerTypePayload, request.NextLayerType())
	assert.Equal(t, uint16(0x3a), request.CommandSequenceNumber)

	// Verify string output for message
	packetString := packet.String()
	assert.NotZero(t, len(packetString))
}

func TestMibUploadNextRequestSerialize(t *testing.T) {
	goodMessage := "02864e0a00020000003a00000000000000000000000000000000000000000000000000000000000000000028"

	omciLayer := &OMCI{
		TransactionID: 0x0286,
		MessageType:   MibUploadNextRequestType,
		// DeviceIdentifier: omci.BaselineIdent,		// Optional, defaults to Baseline
		// Length:           0x28,						// Optional, defaults to 40 octets
	}
	request := &MibUploadNextRequest{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
		},
		CommandSequenceNumber: uint16(0x3a),
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	err := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, err)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadNextRequestZeroTICSerialize(t *testing.T) {
	omciLayer := &OMCI{
		TransactionID: 0x0,
		MessageType:   MibUploadNextRequestType,
		// DeviceIdentifier: omci.BaselineIdent,		// Optional, defaults to Baseline
		// Length:           0x28,						// Optional, defaults to 40 octets
	}
	request := &MibUploadNextRequest{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
		},
		CommandSequenceNumber: uint16(0x3a),
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	err := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.Error(t, err)
}

func TestMibUploadNextRequestSerializeExtended(t *testing.T) {
	goodMessage := "02864e0b000200000002003a"

	omciLayer := &OMCI{
		TransactionID:    0x0286,
		MessageType:      MibUploadNextRequestType,
		DeviceIdentifier: ExtendedIdent,
	}
	request := &MibUploadNextRequest{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
			Extended:       true,
		},
		CommandSequenceNumber: uint16(0x3a),
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	err := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, err)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadNextResponseDecode(t *testing.T) {
	goodMessage := "02862e0a0002000001150000fff0000000000000000000010100000000010000000000000000000000000028"
	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.NotNil(t, omciMsg)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadNextResponse, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x0286), omciMsg.TransactionID)
	assert.Equal(t, MibUploadNextResponseType, omciMsg.MessageType)
	assert.Equal(t, BaselineIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(40), omciMsg.Length)

	msgLayer := packet.Layer(LayerTypeMibUploadNextResponse)
	assert.NotNil(t, msgLayer)

	response, ok2 := msgLayer.(*MibUploadNextResponse)
	assert.True(t, ok2)
	assert.NotNil(t, response)
	assert.Equal(t, LayerTypeMibUploadNextResponse, response.LayerType())
	assert.Equal(t, LayerTypeMibUploadNextResponse, response.CanDecode())
	assert.Equal(t, gopacket.LayerTypePayload, response.NextLayerType())
	assert.Equal(t, me.PriorityQueueClassID, response.ReportedME.GetClassID())
	assert.Equal(t, uint16(0), response.ReportedME.GetEntityID())

	attributes := me.AttributeValueMap{
		"QueueConfigurationOption":                            byte(0),
		"MaximumQueueSize":                                    uint16(0),
		"AllocatedQueueSize":                                  uint16(0),
		"DiscardBlockCounterResetInterval":                    uint16(0),
		"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0),
		"RelatedPort":                                         uint32(16842752),
		"TrafficSchedulerPointer":                             uint16(0),
		"Weight":                                              byte(1),
		"BackPressureOperation":                               uint16(0),
		"BackPressureTime":                                    uint32(0),
		"BackPressureOccurQueueThreshold":                     uint16(0),
		"BackPressureClearQueueThreshold":                     uint16(0),
	}
	for name, value := range attributes {
		pktValue, err := response.ReportedME.GetAttribute(name)
		assert.Nil(t, err)
		assert.Equal(t, pktValue, value)
	}
	// Verify string output for message
	packetString := packet.String()
	assert.NotZero(t, len(packetString))
}

func TestMibUploadNextResponseDecodeExtendedOneMe(t *testing.T) {
	firstMe := "001801150000ffe001123443215678876501010000FFBB011234000000006789"
	goodMessage := "02862e0b000200000020" + firstMe
	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.NotNil(t, omciMsg)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadNextResponse, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x0286), omciMsg.TransactionID)
	assert.Equal(t, MibUploadNextResponseType, omciMsg.MessageType)
	assert.Equal(t, ExtendedIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(2+6+24), omciMsg.Length)

	msgLayer := packet.Layer(LayerTypeMibUploadNextResponse)
	assert.NotNil(t, msgLayer)

	response, ok2 := msgLayer.(*MibUploadNextResponse)
	assert.True(t, ok2)
	assert.NotNil(t, response)
	assert.Equal(t, LayerTypeMibUploadNextResponse, response.LayerType())
	assert.Equal(t, LayerTypeMibUploadNextResponse, response.CanDecode())
	assert.Equal(t, gopacket.LayerTypePayload, response.NextLayerType())
	assert.Equal(t, me.PriorityQueueClassID, response.ReportedME.GetClassID())
	assert.Equal(t, uint16(0), response.ReportedME.GetEntityID())

	attributes := me.AttributeValueMap{
		"QueueConfigurationOption":                            byte(1),
		"MaximumQueueSize":                                    uint16(0x1234),
		"AllocatedQueueSize":                                  uint16(0x4321),
		"DiscardBlockCounterResetInterval":                    uint16(0x5678),
		"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
		"RelatedPort":                                         uint32(16842752),
		"TrafficSchedulerPointer":                             uint16(0xFFBB),
		"Weight":                                              byte(1),
		"BackPressureOperation":                               uint16(0x1234),
		"BackPressureTime":                                    uint32(0),
		"BackPressureOccurQueueThreshold":                     uint16(0x6789),
	}
	// 01 1234 4321 5678 8765 01010000 FFBB 01 1234 00000000 6789
	// 01123443215678876501010000FFBB011234000000006789
	//  1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4
	for name, value := range attributes {
		pktValue, err := response.ReportedME.GetAttribute(name)
		assert.Nil(t, err)
		assert.Equal(t, value, pktValue)
	}
	// Only the first ME
	assert.Nil(t, response.AdditionalMEs)

	// Verify string output for message
	packetString := packet.String()
	assert.NotZero(t, len(packetString))
}

func TestMibUploadNextResponseDecodeExtendedThreeMe(t *testing.T) {
	first := "001801150000ffe001123443215678876501010000FFBB011234000000006789"
	second := "001801150001ffe001123443215678876501010000FFBB011234000000006789"
	third := "001801150002ffe001123443215678876501010000FFBB011234000000006789"
	goodMessage := "02862e0b000200000060" + first + second + third
	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.NotNil(t, omciMsg)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadNextResponse, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x0286), omciMsg.TransactionID)
	assert.Equal(t, MibUploadNextResponseType, omciMsg.MessageType)
	assert.Equal(t, ExtendedIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(3*(8+24)), omciMsg.Length)

	msgLayer := packet.Layer(LayerTypeMibUploadNextResponse)
	assert.NotNil(t, msgLayer)

	response, ok2 := msgLayer.(*MibUploadNextResponse)
	assert.True(t, ok2)
	assert.NotNil(t, response)
	assert.Equal(t, LayerTypeMibUploadNextResponse, response.LayerType())
	assert.Equal(t, LayerTypeMibUploadNextResponse, response.CanDecode())
	assert.Equal(t, gopacket.LayerTypePayload, response.NextLayerType())
	assert.Equal(t, me.PriorityQueueClassID, response.ReportedME.GetClassID())
	assert.Equal(t, uint16(0), response.ReportedME.GetEntityID())

	attributes := me.AttributeValueMap{
		"QueueConfigurationOption":                            byte(1),
		"MaximumQueueSize":                                    uint16(0x1234),
		"AllocatedQueueSize":                                  uint16(0x4321),
		"DiscardBlockCounterResetInterval":                    uint16(0x5678),
		"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
		"RelatedPort":                                         uint32(16842752),
		"TrafficSchedulerPointer":                             uint16(0xFFBB),
		"Weight":                                              byte(1),
		"BackPressureOperation":                               uint16(0x1234),
		"BackPressureTime":                                    uint32(0),
		"BackPressureOccurQueueThreshold":                     uint16(0x6789),
	}
	// 01 1234 4321 5678 8765 01010000 FFBB 01 1234 00000000 6789
	// 01123443215678876501010000FFBB011234000000006789
	//  1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4
	for name, value := range attributes {
		pktValue, err := response.ReportedME.GetAttribute(name)
		assert.Nil(t, err)
		assert.Equal(t, value, pktValue)
	}
	// Other two are the same, just different managed entity IDs

	assert.Equal(t, 2, len(response.AdditionalMEs))
	assert.Equal(t, me.PriorityQueueClassID, response.AdditionalMEs[0].GetClassID())
	assert.Equal(t, uint16(1), response.AdditionalMEs[0].GetEntityID())
	for name, value := range attributes {
		pktValue, err := response.AdditionalMEs[0].GetAttribute(name)
		assert.Nil(t, err)
		assert.Equal(t, value, pktValue)
	}
	assert.Equal(t, me.PriorityQueueClassID, response.AdditionalMEs[1].GetClassID())
	assert.Equal(t, uint16(2), response.AdditionalMEs[1].GetEntityID())
	for name, value := range attributes {
		pktValue, err := response.AdditionalMEs[1].GetAttribute(name)
		assert.Nil(t, err)
		assert.Equal(t, value, pktValue)
	}
	// Verify string output for message
	packetString := packet.String()
	assert.NotZero(t, len(packetString))
}

func TestMibUploadNextResponseDecodeExtendedMaxLength(t *testing.T) {
	// Max payload after header length field and not including MIC is 1966 octets
	maxPayloadLen := MaxExtendedLength - 10 - 4

	// Payload is AttrLen (2) + ME Hdr (6) + attributes which is 30 octets
	// below. That allows 65 'common' payloads with a remainder of 16 octets
	// to fill with another ME
	commonPayloadFmt := "00160115%04xffc001123443215678876501010000FFBB01123487654321"
	lastPayload := "00080115000078001234432156788765"
	msgHeader := fmt.Sprintf("02862e0b00020000%04x", maxPayloadLen)
	numCommon := 65

	goodMessage := msgHeader + fmt.Sprintf(commonPayloadFmt, 0)
	for instance := 1; instance < numCommon; instance++ {
		goodMessage += fmt.Sprintf(commonPayloadFmt, instance)
	}
	goodMessage += lastPayload

	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)
	assert.Equal(t, MaxExtendedLength-4, len(data))

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.NotNil(t, omciMsg)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadNextResponse, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x0286), omciMsg.TransactionID)
	assert.Equal(t, MibUploadNextResponseType, omciMsg.MessageType)
	assert.Equal(t, ExtendedIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(maxPayloadLen), omciMsg.Length)

	msgLayer := packet.Layer(LayerTypeMibUploadNextResponse)
	assert.NotNil(t, msgLayer)

	response, ok2 := msgLayer.(*MibUploadNextResponse)
	assert.True(t, ok2)
	assert.NotNil(t, response)
	assert.Equal(t, LayerTypeMibUploadNextResponse, response.LayerType())
	assert.Equal(t, LayerTypeMibUploadNextResponse, response.CanDecode())
	assert.Equal(t, gopacket.LayerTypePayload, response.NextLayerType())
	assert.Equal(t, me.PriorityQueueClassID, response.ReportedME.GetClassID())
	assert.Equal(t, uint16(0), response.ReportedME.GetEntityID())

	attributes := me.AttributeValueMap{
		"QueueConfigurationOption":                            byte(1),
		"MaximumQueueSize":                                    uint16(0x1234),
		"AllocatedQueueSize":                                  uint16(0x4321),
		"DiscardBlockCounterResetInterval":                    uint16(0x5678),
		"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
		"RelatedPort":                                         uint32(16842752),
		"TrafficSchedulerPointer":                             uint16(0xFFBB),
		"Weight":                                              byte(1),
		"BackPressureOperation":                               uint16(0x1234),
		"BackPressureTime":                                    uint32(0x87654321),
	}
	lastPayloadAttributes := me.AttributeValueMap{
		"MaximumQueueSize":                                    uint16(0x1234),
		"AllocatedQueueSize":                                  uint16(0x4321),
		"DiscardBlockCounterResetInterval":                    uint16(0x5678),
		"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
	}
	// Check first ME that is stored in same location as in baseline message
	for name, value := range attributes {
		pktValue, err := response.ReportedME.GetAttribute(name)
		assert.Nil(t, err)
		assert.Equal(t, value, pktValue)
	}
	// Check remainder of the package = (numCommon - 1) + trailing me
	assert.Equal(t, numCommon, len(response.AdditionalMEs))
	for index, additional := range response.AdditionalMEs {
		if index == numCommon-1 {
			break
		}
		assert.Equal(t, me.PriorityQueueClassID, additional.GetClassID())
		assert.Equal(t, uint16(index+1), additional.GetEntityID())
		for name, value := range attributes {
			pktValue, err := additional.GetAttribute(name)
			assert.Nil(t, err)
			assert.Equal(t, value, pktValue)
		}
	}
	// And check the last one
	assert.Equal(t, me.PriorityQueueClassID, response.AdditionalMEs[numCommon-1].GetClassID())
	assert.Equal(t, uint16(0), response.AdditionalMEs[numCommon-1].GetEntityID())
	for name, value := range lastPayloadAttributes {
		pktValue, err := response.AdditionalMEs[numCommon-1].GetAttribute(name)
		assert.Nil(t, err)
		assert.Equal(t, value, pktValue)
	}
	// Verify string output for message
	packetString := packet.String()
	assert.NotZero(t, len(packetString))
}

func TestMibUploadNextResponseSerialize(t *testing.T) {
	goodMessage := "02862e0a0002000001150000fff0000000000000000000010100000000010002000000030004000500000028"

	omciLayer := &OMCI{
		TransactionID: 0x0286,
		MessageType:   MibUploadNextResponseType,
		// DeviceIdentifier: omci.BaselineIdent,		// Optional, defaults to Baseline
		// Length:           0x28,						// Optional, defaults to 40 octets
	}
	paramData := me.ParamData{
		EntityID: uint16(0),
		Attributes: me.AttributeValueMap{
			"QueueConfigurationOption":                            byte(0),
			"MaximumQueueSize":                                    uint16(0),
			"AllocatedQueueSize":                                  uint16(0),
			"DiscardBlockCounterResetInterval":                    uint16(0),
			"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0),
			"RelatedPort":                                         uint32(16842752),
			"TrafficSchedulerPointer":                             uint16(0),
			"Weight":                                              byte(1),
			"BackPressureOperation":                               uint16(2),
			"BackPressureTime":                                    uint32(3),
			"BackPressureOccurQueueThreshold":                     uint16(4),
			"BackPressureClearQueueThreshold":                     uint16(5),
		},
	}
	reportedME, err := me.NewPriorityQueue(paramData)
	assert.NotNil(t, err)
	assert.Equal(t, err.StatusCode(), me.Success)

	request := &MibUploadNextResponse{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
		},
		ReportedME: *reportedME,
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	omciErr := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, omciErr)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadNextResponseZeroTICSerialize(t *testing.T) {
	omciLayer := &OMCI{
		TransactionID: 0x0,
		MessageType:   MibUploadNextResponseType,
		// DeviceIdentifier: omci.BaselineIdent,		// Optional, defaults to Baseline
		// Length:           0x28,						// Optional, defaults to 40 octets
	}
	paramData := me.ParamData{
		EntityID: uint16(0),
		Attributes: me.AttributeValueMap{
			"QueueConfigurationOption":                            byte(0),
			"MaximumQueueSize":                                    uint16(0),
			"AllocatedQueueSize":                                  uint16(0),
			"DiscardBlockCounterResetInterval":                    uint16(0),
			"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0),
			"RelatedPort":                                         uint32(16842752),
			"TrafficSchedulerPointer":                             uint16(0),
			"Weight":                                              byte(1),
			"BackPressureOperation":                               uint16(2),
			"BackPressureTime":                                    uint32(3),
			"BackPressureOccurQueueThreshold":                     uint16(4),
			"BackPressureClearQueueThreshold":                     uint16(5),
		},
	}
	reportedME, err := me.NewPriorityQueue(paramData)
	assert.NotNil(t, err)
	assert.Equal(t, err.StatusCode(), me.Success)

	request := &MibUploadNextResponse{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
		},
		ReportedME: *reportedME,
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	omciErr := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.Error(t, omciErr)
}

func TestMibUploadNextResponseSerializeExtendedOneMe(t *testing.T) {
	firstMe := "001801150000ffe001123443215678876501010000FFBB011234000000006789"
	goodMessage := "02862e0b000200000020" + firstMe

	omciLayer := &OMCI{
		TransactionID:    0x0286,
		MessageType:      MibUploadNextResponseType,
		DeviceIdentifier: ExtendedIdent,
	}
	paramData := me.ParamData{
		EntityID: uint16(0),
		Attributes: me.AttributeValueMap{
			"QueueConfigurationOption":                            byte(1),
			"MaximumQueueSize":                                    uint16(0x1234),
			"AllocatedQueueSize":                                  uint16(0x4321),
			"DiscardBlockCounterResetInterval":                    uint16(0x5678),
			"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
			"RelatedPort":                                         uint32(16842752),
			"TrafficSchedulerPointer":                             uint16(0xFFBB),
			"Weight":                                              byte(1),
			"BackPressureOperation":                               uint16(0x1234),
			"BackPressureTime":                                    uint32(0),
			"BackPressureOccurQueueThreshold":                     uint16(0x6789),
		},
	}
	reportedME, err := me.NewPriorityQueue(paramData)
	assert.NotNil(t, err)
	assert.Equal(t, err.StatusCode(), me.Success)

	request := &MibUploadNextResponse{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
			Extended:       true,
		},
		ReportedME: *reportedME,
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	omciErr := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, omciErr)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadNextResponseSerializeExtendedTwoMe(t *testing.T) {
	first := "001801150000ffe001123443215678876501010000FFBB011234000000006789"
	second := "001801150001ffe001123443215678876501010000FFBB011234000000006789"
	goodMessage := "02862e0b000200000040" + first + second

	omciLayer := &OMCI{
		TransactionID:    0x0286,
		MessageType:      MibUploadNextResponseType,
		DeviceIdentifier: ExtendedIdent,
	}
	paramData := me.ParamData{
		EntityID: uint16(0),
		Attributes: me.AttributeValueMap{
			"QueueConfigurationOption":                            byte(1),
			"MaximumQueueSize":                                    uint16(0x1234),
			"AllocatedQueueSize":                                  uint16(0x4321),
			"DiscardBlockCounterResetInterval":                    uint16(0x5678),
			"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
			"RelatedPort":                                         uint32(16842752),
			"TrafficSchedulerPointer":                             uint16(0xFFBB),
			"Weight":                                              byte(1),
			"BackPressureOperation":                               uint16(0x1234),
			"BackPressureTime":                                    uint32(0),
			"BackPressureOccurQueueThreshold":                     uint16(0x6789),
		},
	}
	reportedME, err := me.NewPriorityQueue(paramData)
	assert.NotNil(t, err)
	assert.Equal(t, err.StatusCode(), me.Success)
	additional := make([]me.ManagedEntity, 1)

	for inst := 1; inst < 2; inst++ {
		paramData.EntityID = uint16(inst)
		entity, _ := me.NewPriorityQueue(paramData)
		additional[inst-1] = *entity
	}
	request := &MibUploadNextResponse{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
			Extended:       true,
		},
		ReportedME:    *reportedME,
		AdditionalMEs: additional,
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	omciErr := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, omciErr)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadNextResponseSerializeExtendedThreeMe(t *testing.T) {
	first := "001801150000ffe001123443215678876501010000FFBB011234000000006789"
	second := "001801150001ffe001123443215678876501010000FFBB011234000000006789"
	third := "001801150002ffe001123443215678876501010000FFBB011234000000006789"
	goodMessage := "02862e0b000200000060" + first + second + third

	omciLayer := &OMCI{
		TransactionID:    0x0286,
		MessageType:      MibUploadNextResponseType,
		DeviceIdentifier: ExtendedIdent,
	}
	paramData := me.ParamData{
		EntityID: uint16(0),
		Attributes: me.AttributeValueMap{
			"QueueConfigurationOption":                            byte(1),
			"MaximumQueueSize":                                    uint16(0x1234),
			"AllocatedQueueSize":                                  uint16(0x4321),
			"DiscardBlockCounterResetInterval":                    uint16(0x5678),
			"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
			"RelatedPort":                                         uint32(16842752),
			"TrafficSchedulerPointer":                             uint16(0xFFBB),
			"Weight":                                              byte(1),
			"BackPressureOperation":                               uint16(0x1234),
			"BackPressureTime":                                    uint32(0),
			"BackPressureOccurQueueThreshold":                     uint16(0x6789),
		},
	}
	reportedME, err := me.NewPriorityQueue(paramData)
	assert.NotNil(t, err)
	assert.Equal(t, err.StatusCode(), me.Success)
	additional := make([]me.ManagedEntity, 2)

	for inst := 1; inst < 3; inst++ {
		paramData.EntityID = uint16(inst)
		entity, _ := me.NewPriorityQueue(paramData)
		additional[inst-1] = *entity
	}
	request := &MibUploadNextResponse{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
			Extended:       true,
		},
		ReportedME:    *reportedME,
		AdditionalMEs: additional,
	}
	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	omciErr := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, omciErr)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadNextResponseSerializeExtendedMaxFrame(t *testing.T) {
	// Max payload after header length field and not including MIC is 1966 octets
	maxPayloadLen := MaxExtendedLength - 10 - 4

	// Payload is AttrLen (2) + ME Hdr (6) + attributes which is 30 octets
	// below. That allows 65 'common' payloads with a remainder of 16 octets
	// to fill with another ME
	commonPayloadFmt := "00160115%04xffc001123443215678876501010000FFBB01123487654321"
	lastPayload := "00080115000078001234432156788765"
	msgHeader := fmt.Sprintf("02862e0b00020000%04x", maxPayloadLen)
	numCommon := 65

	goodMessage := msgHeader + fmt.Sprintf(commonPayloadFmt, 0)
	for instance := 1; instance < numCommon; instance++ {
		goodMessage += fmt.Sprintf(commonPayloadFmt, instance)
	}
	goodMessage += lastPayload

	omciLayer := &OMCI{
		TransactionID:    0x0286,
		MessageType:      MibUploadNextResponseType,
		DeviceIdentifier: ExtendedIdent,
	}
	paramData := me.ParamData{
		EntityID: uint16(0),
		Attributes: me.AttributeValueMap{
			"QueueConfigurationOption":                            byte(1),
			"MaximumQueueSize":                                    uint16(0x1234),
			"AllocatedQueueSize":                                  uint16(0x4321),
			"DiscardBlockCounterResetInterval":                    uint16(0x5678),
			"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
			"RelatedPort":                                         uint32(16842752),
			"TrafficSchedulerPointer":                             uint16(0xFFBB),
			"Weight":                                              byte(1),
			"BackPressureOperation":                               uint16(0x1234),
			"BackPressureTime":                                    uint32(0x87654321),
		},
	}
	reportedME, err := me.NewPriorityQueue(paramData)
	assert.NotNil(t, err)
	assert.Equal(t, err.StatusCode(), me.Success)
	request := &MibUploadNextResponse{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
			Extended:       true,
		},
		ReportedME:    *reportedME,
		AdditionalMEs: make([]me.ManagedEntity, numCommon),
	}
	for instance := 0; instance < numCommon-1; instance++ {
		paramData.EntityID = uint16(instance + 1)
		reportedME, err = me.NewPriorityQueue(paramData)
		assert.NotNil(t, err)
		assert.Equal(t, err.StatusCode(), me.Success)
		request.AdditionalMEs[instance] = *reportedME
	}
	lastMeParams := me.ParamData{
		EntityID: uint16(0),
		Attributes: me.AttributeValueMap{
			"MaximumQueueSize":                                    uint16(0x1234),
			"AllocatedQueueSize":                                  uint16(0x4321),
			"DiscardBlockCounterResetInterval":                    uint16(0x5678),
			"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
		},
	}
	// And the last one to fully fill out the maximum sized frame
	reportedME, err = me.NewPriorityQueue(lastMeParams)
	assert.NotNil(t, err)
	assert.Equal(t, err.StatusCode(), me.Success)
	request.AdditionalMEs[numCommon-1] = *reportedME

	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	omciErr := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.NoError(t, omciErr)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(goodMessage), reconstituted)
}

func TestMibUploadNextResponseSerializeExtendedMaxFramePlusOneByteTooMany(t *testing.T) {
	// Identical to last test but last ME has one extra octet
	numCommon := 65
	omciLayer := &OMCI{
		TransactionID:    0x0286,
		MessageType:      MibUploadNextResponseType,
		DeviceIdentifier: ExtendedIdent,
	}
	paramData := me.ParamData{
		EntityID: uint16(0),
		Attributes: me.AttributeValueMap{
			"QueueConfigurationOption":                            byte(1),
			"MaximumQueueSize":                                    uint16(0x1234),
			"AllocatedQueueSize":                                  uint16(0x4321),
			"DiscardBlockCounterResetInterval":                    uint16(0x5678),
			"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
			"RelatedPort":                                         uint32(16842752),
			"TrafficSchedulerPointer":                             uint16(0xFFBB),
			"Weight":                                              byte(1),
			"BackPressureOperation":                               uint16(0x1234),
			"BackPressureTime":                                    uint32(0x87654321),
		},
	}
	reportedME, err := me.NewPriorityQueue(paramData)
	assert.NotNil(t, err)
	assert.Equal(t, err.StatusCode(), me.Success)
	request := &MibUploadNextResponse{
		MeBasePacket: MeBasePacket{
			EntityClass:    me.OnuDataClassID,
			EntityInstance: uint16(0),
			Extended:       true,
		},
		ReportedME:    *reportedME,
		AdditionalMEs: make([]me.ManagedEntity, numCommon),
	}
	for instance := 0; instance < numCommon-1; instance++ {
		paramData.EntityID = uint16(instance + 1)
		reportedME, err = me.NewPriorityQueue(paramData)
		assert.NotNil(t, err)
		assert.Equal(t, err.StatusCode(), me.Success)
		request.AdditionalMEs[instance] = *reportedME
	}
	lastMeParams := me.ParamData{
		EntityID: uint16(0),
		Attributes: me.AttributeValueMap{
			"QueueConfigurationOption":                            byte(1), // This is the extra byte
			"MaximumQueueSize":                                    uint16(0x1234),
			"AllocatedQueueSize":                                  uint16(0x4321),
			"DiscardBlockCounterResetInterval":                    uint16(0x5678),
			"ThresholdValueForDiscardedBlocksDueToBufferOverflow": uint16(0x8765),
		},
	}
	// And the last one to fully fill out the maximum sized frame
	reportedME, err = me.NewPriorityQueue(lastMeParams)
	assert.NotNil(t, err)
	assert.Equal(t, err.StatusCode(), me.Success)
	request.AdditionalMEs[numCommon-1] = *reportedME

	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	omciErr := gopacket.SerializeLayers(buffer, options, omciLayer, request)
	assert.Error(t, omciErr)
}

func TestMibUploadNextResponseBadCommandNumberDecode(t *testing.T) {
	// Test of a MIB Upload next Response that results when an invalid command number.
	// Note that if all attributes of a managed entity do not fit within one MIB
	// upload next response message, the attributes will be split over several
	// messages. The OLT can use the information in the attribute mask to determine
	// which attribute values are reported in which MIB upload next response message.
	//TODO: Implement
}

func TestMibUploadNextResponseBadCommandNumberSerialize(t *testing.T) {
	// Test of a MIB Upload next Response that results when an invalid command number
	// is requested.
	//TODO: Implement
}

func TestMibUploadNextSequence(t *testing.T) {
	mibUploadNextSequence := [...]string{
		"00032e0a00020000000200008000000000000000000000000000000000000000000000000000000000000028",
		"00042e0a0002000000050101f0002f2f05202020202020202020202020202020202020202000000000000028",
		"00052e0a00020000000501010f80202020202020202020202020202020202020202000000000000000000028",
		"00062e0a0002000000050104f000303001202020202020202020202020202020202020202000000000000028",
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		"00ff2e0a000200000116803df000800700000200000000000000000000000000000000000000000000000028",
		"01002e0a000200000116803ef000800700000200000000000000000000000000000000000000000000000028",
		"01012e0a000200000116803ff000800700000200000000000000000000000000000000000000000000000028",
		"01022e0a0002000001490401c000000000000000000000000000000000000000000000000000000000000028",
		"01032e0a00020000014904012000000000000000000000000000000000000000000000000000000000000028",
		"01042e0a00020000014904011800ffffffff0000000000000000000000000000000000000000000000000028",
	}
	firstTid := uint16(3)

	for _, packetString := range mibUploadNextSequence {
		data, err := stringToPacket(packetString)
		assert.NoError(t, err)

		packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
		assert.NotNil(t, packet)

		omciLayer := packet.Layer(LayerTypeOMCI)
		assert.NotNil(t, omciLayer)

		omciMsg, ok := omciLayer.(*OMCI)
		assert.True(t, ok)
		assert.Equal(t, firstTid, omciMsg.TransactionID)
		assert.Equal(t, MibUploadNextResponseType, omciMsg.MessageType)
		assert.Equal(t, uint16(40), omciMsg.Length)

		msgLayer := packet.Layer(LayerTypeMibUploadNextResponse)
		assert.NotNil(t, msgLayer)

		uploadResponse, ok2 := msgLayer.(*MibUploadNextResponse)
		assert.True(t, ok2)
		assert.Equal(t, me.OnuDataClassID, uploadResponse.EntityClass)
		assert.Equal(t, uint16(0), uploadResponse.EntityInstance)

		// Test serialization back to former string
		var options gopacket.SerializeOptions
		options.FixLengths = true

		buffer := gopacket.NewSerializeBuffer()
		err = gopacket.SerializeLayers(buffer, options, omciMsg, uploadResponse)
		assert.NoError(t, err)

		outgoingPacket := buffer.Bytes()
		reconstituted := packetToString(outgoingPacket)
		assert.Equal(t, strings.ToLower(packetString), reconstituted)

		// Advance TID
		firstTid += 1
	}
}

// TestUnsupportedG988ClassIDMibUploadNextResponse tests decoding of an Unknown class ID that is
// in the range of IDs assigned for G.988 use
func TestUnsupportedG988ClassIDMibUploadNextResponse(t *testing.T) {
	// The unsupported G.988 class ID below is 37 (0x0025), which is marked in the G.988
	// (11/2017) as 'Intentionally left blank).  The encoded frame is a Get-Next
	// response with a single attribute 1 & 16 (0x8001) encoded.
	//
	tid := 3
	cid := 0x25
	eid := 1
	mask := 0x8000
	omci_hdr := "00032e0a"
	msg_hdr := "00020000"
	reported_me_hdr := "002500018000"
	attr := "0102030405060708090A0B0C0D0E0F101112131415161718191A"
	trailer := "0000002828ce00e2"
	msg := omci_hdr + msg_hdr + reported_me_hdr + attr + trailer
	data, err := stringToPacket(msg)
	assert.NoError(t, err)

	// Decode packet (lazy this time)
	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.Lazy)
	assert.NotNil(t, packet)

	// OMCI Layer Contents are the
	//   - TCI          (2 bytes)
	//   - Msg Type     (1 byte)
	//   - Device Ident (1 byte)
	//
	// payload is remaining layers (less optional length and MIC)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, packet)

	contents := omciLayer.LayerContents()
	payload := omciLayer.LayerPayload()
	assert.NotNil(t, contents)
	assert.NotNil(t, payload)
	assert.Equal(t, len(contents), len(omci_hdr)/2)
	assert.Equal(t, len(payload), len(msg_hdr+reported_me_hdr+attr)/2)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.Equal(t, uint16(tid), omciMsg.TransactionID)
	assert.Equal(t, MibUploadNextResponseType, omciMsg.MessageType)
	assert.Equal(t, uint16(40), omciMsg.Length)

	// Message Layer contents for a MIB upload next response (baseline message set) are the
	//    - OMCI Message Header (TCI, msg Type, ...)  (4 bytes)
	//
	// Message Layer payload for a MIB upload next response are the
	//    - ONU Data Class/Instance                   (4 bytes)
	//    - Reported Managed Entity Class/Instance    (4 bytes)
	//    - Attribute Mask                            (2 bytes)
	//    - Attributes
	//      and zero-padding (but not length & MIC)

	msgLayer := packet.Layer(LayerTypeMibUploadNextResponse)
	assert.NotNil(t, msgLayer)

	contents = msgLayer.LayerContents()
	payload = msgLayer.LayerPayload()
	assert.NotNil(t, contents)
	assert.NotNil(t, payload)
	assert.Equal(t, len(msg_hdr)/2, len(contents))
	assert.Equal(t, len(reported_me_hdr+attr)/2, len(payload))

	uploadResponse, ok2 := msgLayer.(*MibUploadNextResponse)
	assert.True(t, ok2)
	assert.NotNil(t, uploadResponse)

	assert.Equal(t, me.OnuDataClassID, uploadResponse.EntityClass)
	assert.Equal(t, uint16(0), uploadResponse.EntityInstance)
	assert.Equal(t, me.ClassID(cid), uploadResponse.ReportedME.GetClassID())
	assert.Equal(t, uint16(eid), uploadResponse.ReportedME.GetEntityID())
	assert.Equal(t, uint16(mask), uploadResponse.ReportedME.GetAttributeMask())

	name := "UnknownAttr_1"
	blobAttribute, err := uploadResponse.ReportedME.GetAttribute(name)
	assert.Nil(t, err)
	assert.NotNil(t, blobAttribute)
}

func TestUnsupportedG988ClassIDMibUploadNextResponseAttributes(t *testing.T) {
	// Same as previous, but try different attribute mask combinations
	tid := 3
	cid := 0x25
	eid := 1

	// There are a number of ranges for vendor ID use. List below picks one from
	// each of those ranges
	masks := []uint16{0x8001, 0x0000, 0x0001, 0x8000}

	trailer := "0000002828ce00e2"
	attr := "0102030405060708090A0B0C0D0E0F101112131415161718191A"

	for _, mask := range masks {
		hdr := fmt.Sprintf("00032e0a0002000000250001%04x", mask)

		msg := hdr + attr + trailer
		data, err := stringToPacket(msg)
		assert.NoError(t, err)

		packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
		assert.NotNil(t, packet)

		omciLayer := packet.Layer(LayerTypeOMCI)
		assert.NotNil(t, packet)

		omciMsg, ok := omciLayer.(*OMCI)
		assert.True(t, ok)
		assert.Equal(t, uint16(tid), omciMsg.TransactionID)
		assert.Equal(t, MibUploadNextResponseType, omciMsg.MessageType)
		assert.Equal(t, uint16(40), omciMsg.Length)

		msgLayer := packet.Layer(LayerTypeMibUploadNextResponse)
		assert.NotNil(t, msgLayer)

		uploadResponse, ok2 := msgLayer.(*MibUploadNextResponse)
		assert.True(t, ok2)
		assert.NotNil(t, uploadResponse)
		assert.Equal(t, me.OnuDataClassID, uploadResponse.EntityClass)
		assert.Equal(t, uint16(0), uploadResponse.EntityInstance)
		assert.Equal(t, me.ClassID(cid), uploadResponse.ReportedME.GetClassID())
		assert.Equal(t, uint16(eid), uploadResponse.ReportedME.GetEntityID())
		assert.Equal(t, mask, uploadResponse.ReportedME.GetAttributeMask())
	}
}

// TestUnsupportedVendorClassIDMibUploadNextResponse tests decoding of an Unknown class ID that is
// in the range of IDs assigned for vendor assignment
func TestUnsupportedVendorClassIDMibUploadNextResponse(t *testing.T) {
	tid := 3
	eid := 0
	mask := 0x8000

	// There are a number of ranges for vendor ID use. List below picks one from
	// each of those ranges
	classIDs := []uint16{250, 355, 65500}

	hdr := "00032e0a00020000"
	attr := "0102030405060708090A0B0C0D0E0F101112131415161718191A"
	trailer := "0000002828ce00e2"

	for _, cid := range classIDs {
		cidToMask := fmt.Sprintf("%04x%04x%04x", cid, eid, mask)
		msg := hdr + cidToMask + attr + trailer
		data, err := stringToPacket(msg)
		assert.NoError(t, err)

		packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
		assert.NotNil(t, packet)

		omciLayer := packet.Layer(LayerTypeOMCI)
		assert.NotNil(t, packet)

		omciMsg, ok := omciLayer.(*OMCI)
		assert.True(t, ok)
		assert.Equal(t, uint16(tid), omciMsg.TransactionID)
		assert.Equal(t, MibUploadNextResponseType, omciMsg.MessageType)
		assert.Equal(t, uint16(40), omciMsg.Length)

		msgLayer := packet.Layer(LayerTypeMibUploadNextResponse)
		assert.NotNil(t, msgLayer)

		uploadResponse, ok2 := msgLayer.(*MibUploadNextResponse)
		assert.True(t, ok2)
		assert.NotNil(t, uploadResponse)
		assert.Equal(t, me.OnuDataClassID, uploadResponse.EntityClass)
		assert.Equal(t, uint16(0), uploadResponse.EntityInstance)
		assert.Equal(t, me.ClassID(cid), uploadResponse.ReportedME.GetClassID())
		assert.Equal(t, uint16(eid), uploadResponse.ReportedME.GetEntityID())
		assert.Equal(t, uint16(mask), uploadResponse.ReportedME.GetAttributeMask())

		name := "UnknownAttr_1"
		blobAttribute, err := uploadResponse.ReportedME.GetAttribute(name)

		assert.Nil(t, err)
		assert.NotNil(t, blobAttribute)

		byteValue, ok3 := blobAttribute.([]uint8)
		assert.True(t, ok3)
		assert.NotNil(t, byteValue)
	}
}

func TestMibUpload(t *testing.T) {
	mibUpload := "00304D0A000200000000000000000000" +
		"00000000000000000000000000000000" +
		"000000000000000000000028"

	data, err := stringToPacket(mibUpload)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, packet)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.Equal(t, uint16(0x30), omciMsg.TransactionID)
	assert.Equal(t, MibUploadRequestType, omciMsg.MessageType)
	assert.Equal(t, uint16(40), omciMsg.Length)

	msgLayer := packet.Layer(LayerTypeMibUploadRequest)
	assert.NotNil(t, msgLayer)

	uploadRequest, ok2 := msgLayer.(*MibUploadRequest)
	assert.True(t, ok2)
	assert.Equal(t, me.OnuDataClassID, uploadRequest.EntityClass)
	assert.Equal(t, uint16(0), uploadRequest.EntityInstance)

	// Test serialization back to former string
	var options gopacket.SerializeOptions
	options.FixLengths = true

	buffer := gopacket.NewSerializeBuffer()
	err = gopacket.SerializeLayers(buffer, options, omciMsg, uploadRequest)
	assert.NoError(t, err)

	outgoingPacket := buffer.Bytes()
	reconstituted := packetToString(outgoingPacket)
	assert.Equal(t, strings.ToLower(mibUpload), reconstituted)
}

func TestMibUploadNextResponseDecodeAdtn401orBFWS(t *testing.T) {
	// Next is ADTN 401 issue (note the very strange length field)
	// goodMessage := "801f2e0a00020000009e000020000000000000000000000000000000000000000000000000000000943200281c98ff60"
	// Next is BFWS that Ozge & Andrea saw
	goodMessage := "82fd2e0a00020000011f0000c000000000040000000400000000000000000000000000000000000000000028cd1de3e4"
	data, err := stringToPacket(goodMessage)
	assert.NoError(t, err)

	packet := gopacket.NewPacket(data, LayerTypeOMCI, gopacket.NoCopy)
	assert.NotNil(t, packet)

	// Can decode this layer
	omciLayer := packet.Layer(LayerTypeOMCI)
	assert.NotNil(t, omciLayer)

	omciMsg, ok := omciLayer.(*OMCI)
	assert.True(t, ok)
	assert.NotNil(t, omciMsg)
	assert.Equal(t, LayerTypeOMCI, omciMsg.LayerType())
	assert.Equal(t, LayerTypeOMCI, omciMsg.CanDecode())
	assert.Equal(t, LayerTypeMibUploadNextResponse, omciMsg.NextLayerType())
	assert.Equal(t, uint16(0x82fd), omciMsg.TransactionID)
	assert.Equal(t, MibUploadNextResponseType, omciMsg.MessageType)
	assert.Equal(t, BaselineIdent, omciMsg.DeviceIdentifier)
	assert.Equal(t, uint16(40), omciMsg.Length)

	// Cannot decode this layer yet. Hope to in future partially with relaxed decoding
	msgLayer := packet.Layer(LayerTypeMibUploadNextResponse)
	assert.Nil(t, msgLayer)

	// Look closer
	errLayer := packet.Layer(gopacket.LayerTypeDecodeFailure)
	assert.NotNil(t, errLayer)
	decodeFailure, ok := errLayer.(*gopacket.DecodeFailure)
	assert.NotNil(t, decodeFailure)
	assert.True(t, ok)
	errorMessage := decodeFailure.String()
	assert.NotNil(t, errorMessage)
	assert.True(t, len(errorMessage) > 0)

	// Make sure that 'decode' shows up, not 'serialization'
	assert.True(t, strings.Contains(strings.ToLower(errorMessage), "decode"))
}