github.com/ewagmig/fabric@v2.1.1+incompatible/gossip/protoext/compatibility_test.go (about)

     1  /*
     2  Copyright IBM Corp. All Rights Reserved.
     3  
     4  SPDX-License-Identifier: Apache-2.0
     5  */
     6  
     7  package protoext_test
     8  
     9  import (
    10  	"encoding/hex"
    11  	"testing"
    12  
    13  	"github.com/golang/protobuf/proto"
    14  	"github.com/hyperledger/fabric-protos-go/gossip"
    15  	"github.com/hyperledger/fabric/gossip/protoext"
    16  	"github.com/stretchr/testify/assert"
    17  )
    18  
    19  var digestMsg = &gossip.GossipMessage{
    20  	Channel: []byte("mychannel"),
    21  	Content: &gossip.GossipMessage_DataDig{
    22  		DataDig: &gossip.DataDigest{
    23  			Digests: [][]byte{
    24  				{255},
    25  				{255, 255},
    26  				{255, 255, 255},
    27  				{255, 255, 255, 255},
    28  				[]byte("100"),
    29  			},
    30  		},
    31  	},
    32  }
    33  
    34  var requestMsg = &gossip.GossipMessage{
    35  	Channel: []byte("mychannel"),
    36  	Content: &gossip.GossipMessage_DataReq{
    37  		DataReq: &gossip.DataRequest{
    38  			Digests: [][]byte{
    39  				{255},
    40  				{255, 255},
    41  				{255, 255, 255},
    42  				{255, 255, 255, 255},
    43  				[]byte("100"),
    44  			},
    45  		},
    46  	},
    47  }
    48  
    49  const (
    50  	v12DataDigestBytes  = "12096d796368616e6e656c52171201ff1202ffff1203ffffff1204ffffffff1203313030"
    51  	v12DataRequestBytes = "12096d796368616e6e656c5a171201ff1202ffff1203ffffff1204ffffffff1203313030"
    52  )
    53  
    54  func TestUnmarshalV12Digests(t *testing.T) {
    55  	// This test ensures that digests of data digest messages and data requests
    56  	// that originated from fabric v1.3 can be successfully parsed by v1.2
    57  	for msgBytes, expectedMsg := range map[string]*gossip.GossipMessage{
    58  		v12DataDigestBytes:  digestMsg,
    59  		v12DataRequestBytes: requestMsg,
    60  	} {
    61  		var err error
    62  		v13Envelope := &gossip.Envelope{}
    63  		v13Envelope.Payload, err = hex.DecodeString(msgBytes)
    64  		assert.NoError(t, err)
    65  		v13Digest, err := protoext.EnvelopeToGossipMessage(v13Envelope)
    66  		assert.NoError(t, err)
    67  		assert.True(t, proto.Equal(expectedMsg, v13Digest.GossipMessage))
    68  	}
    69  }