github.com/darrenli6/fabric-sdk-example@v0.0.0-20220109053535-94b13b56df8c/core/committer/committer_test.go (about)

     1  /*
     2  Copyright IBM Corp. 2016 All Rights Reserved.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  		 http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package committer
    18  
    19  import (
    20  	"sync/atomic"
    21  	"testing"
    22  
    23  	"github.com/hyperledger/fabric/common/configtx/test"
    24  	"github.com/hyperledger/fabric/common/configtx/tool/localconfig"
    25  	"github.com/hyperledger/fabric/common/configtx/tool/provisional"
    26  	"github.com/hyperledger/fabric/common/ledger/testutil"
    27  	"github.com/hyperledger/fabric/core/ledger/ledgermgmt"
    28  	"github.com/hyperledger/fabric/core/mocks/validator"
    29  	"github.com/hyperledger/fabric/protos/common"
    30  	"github.com/spf13/viper"
    31  	"github.com/stretchr/testify/assert"
    32  )
    33  
    34  func TestKVLedgerBlockStorage(t *testing.T) {
    35  	viper.Set("peer.fileSystemPath", "/tmp/fabric/committertest")
    36  	ledgermgmt.InitializeTestEnv()
    37  	defer ledgermgmt.CleanupTestEnv()
    38  	gb, _ := test.MakeGenesisBlock("TestLedger")
    39  	gbHash := gb.Header.Hash()
    40  	ledger, err := ledgermgmt.CreateLedger(gb)
    41  	assert.NoError(t, err, "Error while creating ledger: %s", err)
    42  	defer ledger.Close()
    43  
    44  	committer := NewLedgerCommitter(ledger, &validator.MockValidator{})
    45  	height, err := committer.LedgerHeight()
    46  	assert.Equal(t, uint64(1), height)
    47  	assert.NoError(t, err)
    48  
    49  	bcInfo, _ := ledger.GetBlockchainInfo()
    50  	testutil.AssertEquals(t, bcInfo, &common.BlockchainInfo{
    51  		Height: 1, CurrentBlockHash: gbHash, PreviousBlockHash: nil})
    52  
    53  	simulator, _ := ledger.NewTxSimulator()
    54  	simulator.SetState("ns1", "key1", []byte("value1"))
    55  	simulator.SetState("ns1", "key2", []byte("value2"))
    56  	simulator.SetState("ns1", "key3", []byte("value3"))
    57  	simulator.Done()
    58  
    59  	simRes, _ := simulator.GetTxSimulationResults()
    60  	block1 := testutil.ConstructBlock(t, 1, gbHash, [][]byte{simRes}, true)
    61  
    62  	err = committer.Commit(block1)
    63  	assert.NoError(t, err)
    64  
    65  	height, err = committer.LedgerHeight()
    66  	assert.Equal(t, uint64(2), height)
    67  	assert.NoError(t, err)
    68  
    69  	blocks := committer.GetBlocks([]uint64{0})
    70  	assert.Equal(t, 1, len(blocks))
    71  	assert.NoError(t, err)
    72  
    73  	bcInfo, _ = ledger.GetBlockchainInfo()
    74  	block1Hash := block1.Header.Hash()
    75  	testutil.AssertEquals(t, bcInfo, &common.BlockchainInfo{
    76  		Height: 2, CurrentBlockHash: block1Hash, PreviousBlockHash: gbHash})
    77  }
    78  
    79  func TestNewLedgerCommitterReactive(t *testing.T) {
    80  	viper.Set("peer.fileSystemPath", "/tmp/fabric/committertest")
    81  	chainID := "TestLedger"
    82  
    83  	ledgermgmt.InitializeTestEnv()
    84  	defer ledgermgmt.CleanupTestEnv()
    85  	gb, _ := test.MakeGenesisBlock(chainID)
    86  
    87  	ledger, err := ledgermgmt.CreateLedger(gb)
    88  	assert.NoError(t, err, "Error while creating ledger: %s", err)
    89  	defer ledger.Close()
    90  
    91  	var configArrived int32
    92  	committer := NewLedgerCommitterReactive(ledger, &validator.MockValidator{}, func(_ *common.Block) error {
    93  		atomic.AddInt32(&configArrived, 1)
    94  		return nil
    95  	})
    96  
    97  	height, err := committer.LedgerHeight()
    98  	assert.Equal(t, uint64(1), height)
    99  	assert.NoError(t, err)
   100  
   101  	profile := localconfig.Load(localconfig.SampleSingleMSPSoloProfile)
   102  	block := provisional.New(profile).GenesisBlockForChannel(chainID)
   103  
   104  	committer.Commit(block)
   105  	assert.Equal(t, int32(1), atomic.LoadInt32(&configArrived))
   106  }