github.com/osdi23p228/fabric@v0.0.0-20221218062954-77808885f5db/common/ledger/blkstorage/blockfile_scan_test.go (about)

     1  /*
     2  Copyright IBM Corp. All Rights Reserved.
     3  
     4  SPDX-License-Identifier: Apache-2.0
     5  */
     6  
     7  package blkstorage
     8  
     9  import (
    10  	"os"
    11  	"testing"
    12  
    13  	"github.com/hyperledger/fabric-protos-go/common"
    14  	"github.com/osdi23p228/fabric/common/ledger/testutil"
    15  	"github.com/osdi23p228/fabric/common/ledger/util"
    16  	"github.com/stretchr/testify/require"
    17  )
    18  
    19  func TestBlockFileScanSmallTxOnly(t *testing.T) {
    20  	env := newTestEnv(t, NewConf(testPath(), 0))
    21  	defer env.Cleanup()
    22  	ledgerid := "testLedger"
    23  	blkfileMgrWrapper := newTestBlockfileWrapper(env, ledgerid)
    24  	bg, gb := testutil.NewBlockGenerator(t, ledgerid, false)
    25  	blocks := []*common.Block{gb}
    26  	blocks = append(blocks, bg.NextTestBlock(0, 0))
    27  	blocks = append(blocks, bg.NextTestBlock(0, 0))
    28  	blocks = append(blocks, bg.NextTestBlock(0, 0))
    29  	blkfileMgrWrapper.addBlocks(blocks)
    30  	blkfileMgrWrapper.close()
    31  
    32  	filePath := deriveBlockfilePath(env.provider.conf.getLedgerBlockDir(ledgerid), 0)
    33  	_, fileSize, err := util.FileExists(filePath)
    34  	require.NoError(t, err)
    35  
    36  	lastBlockBytes, endOffsetLastBlock, numBlocks, err := scanForLastCompleteBlock(env.provider.conf.getLedgerBlockDir(ledgerid), 0, 0)
    37  	require.NoError(t, err)
    38  	require.Equal(t, len(blocks), numBlocks)
    39  	require.Equal(t, fileSize, endOffsetLastBlock)
    40  
    41  	expectedLastBlockBytes, _, err := serializeBlock(blocks[len(blocks)-1])
    42  	require.NoError(t, err)
    43  	require.Equal(t, expectedLastBlockBytes, lastBlockBytes)
    44  }
    45  
    46  func TestBlockFileScanSmallTxLastTxIncomplete(t *testing.T) {
    47  	env := newTestEnv(t, NewConf(testPath(), 0))
    48  	defer env.Cleanup()
    49  	ledgerid := "testLedger"
    50  	blkfileMgrWrapper := newTestBlockfileWrapper(env, ledgerid)
    51  	bg, gb := testutil.NewBlockGenerator(t, ledgerid, false)
    52  	blocks := []*common.Block{gb}
    53  	blocks = append(blocks, bg.NextTestBlock(0, 0))
    54  	blocks = append(blocks, bg.NextTestBlock(0, 0))
    55  	blocks = append(blocks, bg.NextTestBlock(0, 0))
    56  	blkfileMgrWrapper.addBlocks(blocks)
    57  	blkfileMgrWrapper.close()
    58  
    59  	filePath := deriveBlockfilePath(env.provider.conf.getLedgerBlockDir(ledgerid), 0)
    60  	_, fileSize, err := util.FileExists(filePath)
    61  	require.NoError(t, err)
    62  
    63  	file, err := os.OpenFile(filePath, os.O_RDWR|os.O_APPEND|os.O_CREATE, 0660)
    64  	require.NoError(t, err)
    65  	defer file.Close()
    66  	err = file.Truncate(fileSize - 1)
    67  	require.NoError(t, err)
    68  
    69  	lastBlockBytes, _, numBlocks, err := scanForLastCompleteBlock(env.provider.conf.getLedgerBlockDir(ledgerid), 0, 0)
    70  	require.NoError(t, err)
    71  	require.Equal(t, len(blocks)-1, numBlocks)
    72  
    73  	expectedLastBlockBytes, _, err := serializeBlock(blocks[len(blocks)-2])
    74  	require.NoError(t, err)
    75  	require.Equal(t, expectedLastBlockBytes, lastBlockBytes)
    76  }