mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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235 lines
7.3 KiB
Go
235 lines
7.3 KiB
Go
// Copyright 2022 The LevelDB-Go and Pebble Authors. All rights reserved. Use
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// of this source code is governed by a BSD-style license that can be found in
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// the LICENSE file.
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package metamorphic
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import (
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"fmt"
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"io/fs"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"time"
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"github.com/cockroachdb/pebble"
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"github.com/cockroachdb/pebble/internal/testkeys"
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"github.com/cockroachdb/pebble/sstable"
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"github.com/cockroachdb/pebble/vfs"
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"github.com/kr/pretty"
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"github.com/stretchr/testify/require"
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"golang.org/x/exp/rand"
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)
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func TestSetupInitialState(t *testing.T) {
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// Construct a small database in the test's TempDir.
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initialStatePath := t.TempDir()
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initialDataPath := vfs.Default.PathJoin(initialStatePath, "data")
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{
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d, err := pebble.Open(initialDataPath, &pebble.Options{})
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require.NoError(t, err)
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const maxKeyLen = 2
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ks := testkeys.Alpha(maxKeyLen)
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var key [maxKeyLen]byte
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for i := int64(0); i < ks.Count(); i++ {
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n := testkeys.WriteKey(key[:], ks, i)
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require.NoError(t, d.Set(key[:n], key[:n], pebble.NoSync))
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if i%100 == 0 {
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require.NoError(t, d.Flush())
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}
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}
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require.NoError(t, d.Close())
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}
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ls, err := vfs.Default.List(initialStatePath)
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require.NoError(t, err)
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// setupInitialState with an initial state path set to the test's TempDir
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// should populate opts.opts.FS with the directory's contents.
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opts := &TestOptions{
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Opts: defaultOptions(),
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initialStatePath: initialStatePath,
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initialStateDesc: "test",
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}
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require.NoError(t, setupInitialState("data", opts))
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copied, err := opts.Opts.FS.List("")
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require.NoError(t, err)
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require.ElementsMatch(t, ls, copied)
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}
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func TestOptionsRoundtrip(t *testing.T) {
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// Some fields must be ignored to avoid spurious diffs.
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ignorePrefixes := []string{
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// Pointers
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"Cache:",
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"Cache.",
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"FS:",
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"TableCache:",
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// Function pointers
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"BlockPropertyCollectors:",
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"EventListener:",
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"MaxConcurrentCompactions:",
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"Experimental.EnableValueBlocks:",
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"Experimental.DisableIngestAsFlushable:",
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"Experimental.RemoteStorage:",
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"Experimental.IngestSplit:",
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// Floating points
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"Experimental.PointTombstoneWeight:",
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}
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// Ensure that we unref any caches created, so invariants builds don't
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// complain about the leaked ref counts.
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maybeUnref := func(o *TestOptions) {
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if o.Opts.Cache != nil {
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o.Opts.Cache.Unref()
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}
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}
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checkOptions := func(t *testing.T, o *TestOptions) {
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s := optionsToString(o)
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t.Logf("Serialized options:\n%s\n", s)
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parsed := defaultTestOptions()
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require.NoError(t, parseOptions(parsed, s, nil))
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maybeUnref(parsed)
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got := optionsToString(parsed)
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require.Equal(t, s, got)
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t.Logf("Re-serialized options:\n%s\n", got)
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// In some options, the closure obscures the underlying value. Check
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// that the return values are equal.
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require.Equal(t, o.Opts.Experimental.EnableValueBlocks == nil, parsed.Opts.Experimental.EnableValueBlocks == nil)
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if o.Opts.Experimental.EnableValueBlocks != nil {
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require.Equal(t, o.Opts.Experimental.EnableValueBlocks(), parsed.Opts.Experimental.EnableValueBlocks())
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}
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require.Equal(t, o.Opts.Experimental.DisableIngestAsFlushable == nil, parsed.Opts.Experimental.DisableIngestAsFlushable == nil)
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if o.Opts.Experimental.DisableIngestAsFlushable != nil {
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require.Equal(t, o.Opts.Experimental.DisableIngestAsFlushable(), parsed.Opts.Experimental.DisableIngestAsFlushable())
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}
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if o.Opts.Experimental.IngestSplit != nil && o.Opts.Experimental.IngestSplit() {
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require.Equal(t, o.Opts.Experimental.IngestSplit(), parsed.Opts.Experimental.IngestSplit())
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}
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require.Equal(t, o.Opts.MaxConcurrentCompactions(), parsed.Opts.MaxConcurrentCompactions())
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require.Equal(t, len(o.Opts.BlockPropertyCollectors), len(parsed.Opts.BlockPropertyCollectors))
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diff := pretty.Diff(o.Opts, parsed.Opts)
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cleaned := diff[:0]
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for _, d := range diff {
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var ignored bool
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for _, prefix := range ignorePrefixes {
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if strings.HasPrefix(d, prefix) {
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ignored = true
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break
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}
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}
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if !ignored {
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cleaned = append(cleaned, d)
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}
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}
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require.Equal(t, diff[:0], cleaned)
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}
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standard := standardOptions()
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for i := range standard {
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t.Run(fmt.Sprintf("standard-%03d", i), func(t *testing.T) {
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defer maybeUnref(standard[i])
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checkOptions(t, standard[i])
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})
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}
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rng := rand.New(rand.NewSource(uint64(time.Now().UnixNano())))
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for i := 0; i < 100; i++ {
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t.Run(fmt.Sprintf("random-%03d", i), func(t *testing.T) {
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o := randomOptions(rng, nil)
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defer maybeUnref(o)
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checkOptions(t, o)
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})
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}
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}
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// TestBlockPropertiesParse ensures that the testkeys block property collector
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// is in use by default. It runs a single OPTIONS run of the metamorphic tests
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// and scans the resulting data directory to ensure there's at least one sstable
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// with the property. It runs the test with the archive cleaner to avoid any
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// flakiness from small working sets of keys.
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func TestBlockPropertiesParse(t *testing.T) {
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const fixedSeed = 1
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const numOps = 10_000
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metaDir := t.TempDir()
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rng := rand.New(rand.NewSource(fixedSeed))
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ops := generate(rng, numOps, presetConfigs[0], newKeyManager(1 /* numInstances */))
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opsPath := filepath.Join(metaDir, "ops")
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formattedOps := formatOps(ops)
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require.NoError(t, os.WriteFile(opsPath, []byte(formattedOps), 0644))
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runDir := filepath.Join(metaDir, "run")
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require.NoError(t, os.MkdirAll(runDir, os.ModePerm))
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optionsPath := filepath.Join(runDir, "OPTIONS")
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opts := defaultTestOptions()
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opts.Opts.EnsureDefaults()
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opts.Opts.Cleaner = pebble.ArchiveCleaner{}
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optionsStr := optionsToString(opts)
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require.NoError(t, os.WriteFile(optionsPath, []byte(optionsStr), 0644))
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RunOnce(t, runDir, fixedSeed, filepath.Join(runDir, "history"), KeepData{})
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var foundTableBlockProperty bool
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require.NoError(t, filepath.Walk(filepath.Join(runDir, "data"),
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func(path string, info fs.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if filepath.Ext(path) != ".sst" {
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return nil
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}
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f, err := vfs.Default.Open(path)
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if err != nil {
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return err
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}
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readable, err := sstable.NewSimpleReadable(f)
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if err != nil {
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return err
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}
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r, err := sstable.NewReader(readable, opts.Opts.MakeReaderOptions())
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if err != nil {
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return err
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}
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_, ok := r.Properties.UserProperties[opts.Opts.BlockPropertyCollectors[0]().Name()]
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foundTableBlockProperty = foundTableBlockProperty || ok
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return r.Close()
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}))
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require.True(t, foundTableBlockProperty)
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}
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func TestCustomOptionParser(t *testing.T) {
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customOptionParsers := map[string]func(string) (CustomOption, bool){
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"foo": func(value string) (CustomOption, bool) {
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return testCustomOption{name: "foo", value: value}, true
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},
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}
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o1 := defaultTestOptions()
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o2 := defaultTestOptions()
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require.NoError(t, parseOptions(o1, `
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[TestOptions]
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foo=bar
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`, customOptionParsers))
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require.NoError(t, parseOptions(o2, optionsToString(o1), customOptionParsers))
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defer o2.Opts.Cache.Unref()
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for _, o := range []*TestOptions{o1, o2} {
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require.Equal(t, 1, len(o.CustomOpts))
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require.Equal(t, "foo", o.CustomOpts[0].Name())
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require.Equal(t, "bar", o.CustomOpts[0].Value())
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}
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}
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type testCustomOption struct {
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name, value string
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}
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func (o testCustomOption) Name() string { return o.name }
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func (o testCustomOption) Value() string { return o.value }
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func (o testCustomOption) Close(*pebble.Options) error { return nil }
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func (o testCustomOption) Open(*pebble.Options) error { return nil }
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