github.com/defanghe/fabric@v2.1.1+incompatible/orderer/consensus/etcdraft/blockcreator_test.go (about)

     1  /*
     2  Copyright IBM Corp. 2017 All Rights Reserved.
     3  
     4  SPDX-License-Identifier: Apache-2.0
     5  */
     6  
     7  package etcdraft
     8  
     9  import (
    10  	"testing"
    11  
    12  	cb "github.com/hyperledger/fabric-protos-go/common"
    13  	"github.com/hyperledger/fabric/common/flogging"
    14  	"github.com/hyperledger/fabric/protoutil"
    15  	"github.com/stretchr/testify/assert"
    16  	"go.uber.org/zap"
    17  )
    18  
    19  func getSeedBlock() *cb.Block {
    20  	seedBlock := protoutil.NewBlock(0, []byte("firsthash"))
    21  	seedBlock.Data.Data = [][]byte{[]byte("somebytes")}
    22  	return seedBlock
    23  }
    24  
    25  func TestCreateNextBlock(t *testing.T) {
    26  	first := protoutil.NewBlock(0, []byte("firsthash"))
    27  	bc := &blockCreator{
    28  		hash:   protoutil.BlockHeaderHash(first.Header),
    29  		number: first.Header.Number,
    30  		logger: flogging.NewFabricLogger(zap.NewNop()),
    31  	}
    32  
    33  	second := bc.createNextBlock([]*cb.Envelope{{Payload: []byte("some other bytes")}})
    34  	assert.Equal(t, first.Header.Number+1, second.Header.Number)
    35  	assert.Equal(t, protoutil.BlockDataHash(second.Data), second.Header.DataHash)
    36  	assert.Equal(t, protoutil.BlockHeaderHash(first.Header), second.Header.PreviousHash)
    37  
    38  	third := bc.createNextBlock([]*cb.Envelope{{Payload: []byte("some other bytes")}})
    39  	assert.Equal(t, second.Header.Number+1, third.Header.Number)
    40  	assert.Equal(t, protoutil.BlockDataHash(third.Data), third.Header.DataHash)
    41  	assert.Equal(t, protoutil.BlockHeaderHash(second.Header), third.Header.PreviousHash)
    42  }