mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-26 13:40:05 +00:00
241 lines
7.2 KiB
Go
241 lines
7.2 KiB
Go
package snapshotsync
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import (
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"context"
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"path/filepath"
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"testing"
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"testing/fstest"
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"github.com/holiman/uint256"
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"github.com/ledgerwatch/erigon-lib/compress"
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"github.com/ledgerwatch/erigon-lib/downloader/snaptype"
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"github.com/ledgerwatch/erigon-lib/recsplit"
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"github.com/ledgerwatch/log/v3"
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"github.com/stretchr/testify/require"
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"github.com/ledgerwatch/erigon/common/math"
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"github.com/ledgerwatch/erigon/eth/ethconfig"
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"github.com/ledgerwatch/erigon/params/networkname"
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"github.com/ledgerwatch/erigon/turbo/snapshotsync/snapcfg"
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)
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func createTestSegmentFile(t *testing.T, from, to uint64, name snaptype.Type, dir string) {
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c, err := compress.NewCompressor(context.Background(), "test", filepath.Join(dir, snaptype.SegmentFileName(from, to, name)), dir, 100, 1, log.LvlDebug)
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require.NoError(t, err)
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defer c.Close()
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err = c.AddWord([]byte{1})
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require.NoError(t, err)
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err = c.Compress()
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require.NoError(t, err)
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idx, err := recsplit.NewRecSplit(recsplit.RecSplitArgs{
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KeyCount: 1,
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BucketSize: 10,
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TmpDir: dir,
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IndexFile: filepath.Join(dir, snaptype.IdxFileName(from, to, name.String())),
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LeafSize: 8,
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})
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require.NoError(t, err)
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defer idx.Close()
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err = idx.AddKey([]byte{1}, 0)
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require.NoError(t, err)
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err = idx.Build()
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require.NoError(t, err)
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if name == snaptype.Transactions {
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idx, err := recsplit.NewRecSplit(recsplit.RecSplitArgs{
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KeyCount: 1,
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BucketSize: 10,
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TmpDir: dir,
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IndexFile: filepath.Join(dir, snaptype.IdxFileName(from, to, snaptype.Transactions2Block.String())),
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LeafSize: 8,
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})
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require.NoError(t, err)
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err = idx.AddKey([]byte{1}, 0)
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require.NoError(t, err)
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err = idx.Build()
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require.NoError(t, err)
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defer idx.Close()
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}
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}
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func TestMergeSnapshots(t *testing.T) {
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dir, require := t.TempDir(), require.New(t)
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createFile := func(from, to uint64) {
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for _, snT := range snaptype.AllSnapshotTypes {
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createTestSegmentFile(t, from, to, snT, dir)
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}
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}
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N := uint64(7)
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createFile(0, 500_000)
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for i := uint64(500_000); i < 500_000+N*100_000; i += 100_000 {
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createFile(i, i+100_000)
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}
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cfg := ethconfig.Snapshot{Enabled: true}
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s := NewRoSnapshots(cfg, dir)
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defer s.Close()
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require.NoError(s.ReopenFolder())
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{
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merger := NewMerger(dir, 1, log.LvlInfo, uint256.Int{}, nil)
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ranges := merger.FindMergeRanges(s.Ranges())
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require.True(len(ranges) > 0)
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err := merger.Merge(context.Background(), s, ranges, s.Dir(), false)
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require.NoError(err)
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}
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expectedFileName := snaptype.SegmentFileName(500_000, 1_000_000, snaptype.Transactions)
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d, err := compress.NewDecompressor(filepath.Join(dir, expectedFileName))
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require.NoError(err)
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defer d.Close()
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a := d.Count()
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require.Equal(5, a)
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{
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merger := NewMerger(dir, 1, log.LvlInfo, uint256.Int{}, nil)
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ranges := merger.FindMergeRanges(s.Ranges())
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require.True(len(ranges) == 0)
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err := merger.Merge(context.Background(), s, ranges, s.Dir(), false)
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require.NoError(err)
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}
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expectedFileName = snaptype.SegmentFileName(1_100_000, 1_200_000, snaptype.Transactions)
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d, err = compress.NewDecompressor(filepath.Join(dir, expectedFileName))
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require.NoError(err)
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defer d.Close()
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a = d.Count()
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require.Equal(1, a)
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}
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func TestCanRetire(t *testing.T) {
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require := require.New(t)
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cases := []struct {
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inFrom, inTo, outFrom, outTo uint64
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can bool
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}{
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{0, 1234, 0, 1000, true},
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{1_000_000, 1_120_000, 1_000_000, 1_100_000, true},
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{2_500_000, 4_100_000, 2_500_000, 3_000_000, true},
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{2_500_000, 2_500_100, 2_500_000, 2_500_000, false},
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{1_001_000, 2_000_000, 1_001_000, 1_002_000, true},
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}
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for _, tc := range cases {
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from, to, can := canRetire(tc.inFrom, tc.inTo)
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require.Equal(int(tc.outFrom), int(from))
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require.Equal(int(tc.outTo), int(to))
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require.Equal(tc.can, can, tc.inFrom, tc.inTo)
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}
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}
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func TestOpenAllSnapshot(t *testing.T) {
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dir, require := t.TempDir(), require.New(t)
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chainSnapshotCfg := snapcfg.KnownCfg(networkname.MainnetChainName, nil, nil)
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chainSnapshotCfg.ExpectBlocks = math.MaxUint64
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cfg := ethconfig.Snapshot{Enabled: true}
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createFile := func(from, to uint64, name snaptype.Type) { createTestSegmentFile(t, from, to, name, dir) }
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s := NewRoSnapshots(cfg, dir)
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defer s.Close()
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err := s.ReopenFolder()
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require.NoError(err)
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require.Equal(0, len(s.Headers.segments))
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s.Close()
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createFile(500_000, 1_000_000, snaptype.Bodies)
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s = NewRoSnapshots(cfg, dir)
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defer s.Close()
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require.Equal(0, len(s.Bodies.segments)) //because, no headers and transactions snapshot files are created
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s.Close()
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createFile(500_000, 1_000_000, snaptype.Headers)
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createFile(500_000, 1_000_000, snaptype.Transactions)
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s = NewRoSnapshots(cfg, dir)
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err = s.ReopenFolder()
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require.NoError(err)
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require.Equal(0, len(s.Headers.segments))
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s.Close()
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createFile(0, 500_000, snaptype.Bodies)
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createFile(0, 500_000, snaptype.Headers)
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createFile(0, 500_000, snaptype.Transactions)
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s = NewRoSnapshots(cfg, dir)
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defer s.Close()
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err = s.ReopenFolder()
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require.NoError(err)
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require.Equal(2, len(s.Headers.segments))
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ok, err := s.ViewTxs(10, func(sn *TxnSegment) error {
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require.Equal(int(sn.ranges.to), 500_000)
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return nil
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})
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require.NoError(err)
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require.True(ok)
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ok, err = s.ViewTxs(500_000, func(sn *TxnSegment) error {
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require.Equal(int(sn.ranges.to), 1_000_000) // [from:to)
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return nil
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})
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require.NoError(err)
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require.True(ok)
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ok, err = s.ViewTxs(1_000_000, func(sn *TxnSegment) error {
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return nil
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})
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require.NoError(err)
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require.False(ok)
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// Erigon may create new snapshots by itself - with high bigger than hardcoded ExpectedBlocks
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// ExpectedBlocks - says only how much block must come from Torrent
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chainSnapshotCfg.ExpectBlocks = 500_000 - 1
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s = NewRoSnapshots(cfg, dir)
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err = s.ReopenFolder()
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require.NoError(err)
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defer s.Close()
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require.Equal(2, len(s.Headers.segments))
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createFile(500_000, 900_000, snaptype.Headers)
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createFile(500_000, 900_000, snaptype.Bodies)
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createFile(500_000, 900_000, snaptype.Transactions)
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chainSnapshotCfg.ExpectBlocks = math.MaxUint64
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s = NewRoSnapshots(cfg, dir)
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defer s.Close()
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err = s.ReopenFolder()
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require.NoError(err)
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}
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func TestParseCompressedFileName(t *testing.T) {
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require := require.New(t)
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fs := fstest.MapFS{
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"a": &fstest.MapFile{},
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"1-a": &fstest.MapFile{},
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"1-2-a": &fstest.MapFile{},
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"1-2-bodies.info": &fstest.MapFile{},
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"1-2-bodies.seg": &fstest.MapFile{},
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"v2-1-2-bodies.seg": &fstest.MapFile{},
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"v0-1-2-bodies.seg": &fstest.MapFile{},
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"v1-1-2-bodies.seg": &fstest.MapFile{},
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}
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stat := func(name string) string {
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s, err := fs.Stat(name)
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require.NoError(err)
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return s.Name()
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}
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_, err := snaptype.ParseFileName("", stat("a"))
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require.Error(err)
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_, err = snaptype.ParseFileName("", stat("1-a"))
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require.Error(err)
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_, err = snaptype.ParseFileName("", stat("1-2-a"))
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require.Error(err)
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_, err = snaptype.ParseFileName("", stat("1-2-bodies.info"))
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require.Error(err)
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_, err = snaptype.ParseFileName("", stat("1-2-bodies.seg"))
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require.Error(err)
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_, err = snaptype.ParseFileName("", stat("v2-1-2-bodies.seg"))
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require.Error(err)
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_, err = snaptype.ParseFileName("", stat("v0-1-2-bodies.seg"))
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require.Error(err)
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f, err := snaptype.ParseFileName("", stat("v1-1-2-bodies.seg"))
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require.NoError(err)
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require.Equal(f.T, snaptype.Bodies)
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require.Equal(1_000, int(f.From))
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require.Equal(2_000, int(f.To))
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}
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