mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-26 08:35:17 +00:00
430 lines
10 KiB
Go
430 lines
10 KiB
Go
// Copyright 2012 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 manifest
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import (
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"bytes"
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"fmt"
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"strings"
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"sync"
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"testing"
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"github.com/cockroachdb/datadriven"
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"github.com/cockroachdb/pebble/internal/base"
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"github.com/cockroachdb/pebble/internal/testkeys"
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"github.com/stretchr/testify/require"
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)
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func levelMetadata(level int, files ...*FileMetadata) LevelMetadata {
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return makeLevelMetadata(base.DefaultComparer.Compare, level, files)
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}
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func ikey(s string) InternalKey {
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return base.MakeInternalKey([]byte(s), 0, base.InternalKeyKindSet)
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}
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func TestIkeyRange(t *testing.T) {
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cmp := base.DefaultComparer.Compare
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testCases := []struct {
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input, want string
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}{
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{
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"",
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"-",
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},
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{
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"a-e",
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"a-e",
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},
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{
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"a-e a-e",
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"a-e",
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},
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{
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"c-g a-e",
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"a-g",
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},
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{
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"a-e c-g a-e",
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"a-g",
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},
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{
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"b-d f-g",
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"b-g",
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},
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{
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"d-e b-d",
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"b-e",
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},
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{
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"e-e",
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"e-e",
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},
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{
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"f-g e-e d-e c-g b-d a-e",
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"a-g",
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},
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}
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for _, tc := range testCases {
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var f []*FileMetadata
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if tc.input != "" {
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for i, s := range strings.Split(tc.input, " ") {
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m := (&FileMetadata{
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FileNum: base.FileNum(i),
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}).ExtendPointKeyBounds(cmp, ikey(s[0:1]), ikey(s[2:3]))
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m.InitPhysicalBacking()
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f = append(f, m)
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}
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}
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levelMetadata := makeLevelMetadata(base.DefaultComparer.Compare, 0, f)
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sm, la := KeyRange(base.DefaultComparer.Compare, levelMetadata.Iter())
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got := string(sm.UserKey) + "-" + string(la.UserKey)
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if got != tc.want {
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t.Errorf("KeyRange(%q) = %q, %q", tc.input, got, tc.want)
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}
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}
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}
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func TestOverlaps(t *testing.T) {
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var v *Version
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cmp := testkeys.Comparer.Compare
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fmtKey := testkeys.Comparer.FormatKey
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datadriven.RunTest(t, "testdata/overlaps", func(t *testing.T, d *datadriven.TestData) string {
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switch d.Cmd {
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case "define":
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var err error
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v, err = ParseVersionDebug(cmp, fmtKey, 64>>10 /* flush split bytes */, d.Input)
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if err != nil {
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return err.Error()
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}
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return v.String()
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case "overlaps":
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var level int
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var start, end string
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var exclusiveEnd bool
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d.ScanArgs(t, "level", &level)
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d.ScanArgs(t, "start", &start)
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d.ScanArgs(t, "end", &end)
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d.ScanArgs(t, "exclusive-end", &exclusiveEnd)
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overlaps := v.Overlaps(level, testkeys.Comparer.Compare, []byte(start), []byte(end), exclusiveEnd)
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var buf bytes.Buffer
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fmt.Fprintf(&buf, "%d files:\n", overlaps.Len())
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overlaps.Each(func(f *FileMetadata) {
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fmt.Fprintf(&buf, "%s\n", f.DebugString(base.DefaultFormatter, false))
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})
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return buf.String()
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default:
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return fmt.Sprintf("unknown command: %s", d.Cmd)
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}
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})
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}
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func TestContains(t *testing.T) {
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cmp := base.DefaultComparer.Compare
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newFileMeta := func(fileNum base.FileNum, size uint64, smallest, largest base.InternalKey) *FileMetadata {
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m := (&FileMetadata{
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FileNum: fileNum,
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Size: size,
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}).ExtendPointKeyBounds(cmp, smallest, largest)
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m.InitPhysicalBacking()
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return m
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}
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m00 := newFileMeta(
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700,
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1,
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base.ParseInternalKey("b.SET.7008"),
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base.ParseInternalKey("e.SET.7009"),
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)
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m01 := newFileMeta(
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701,
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1,
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base.ParseInternalKey("c.SET.7018"),
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base.ParseInternalKey("f.SET.7019"),
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)
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m02 := newFileMeta(
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702,
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1,
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base.ParseInternalKey("f.SET.7028"),
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base.ParseInternalKey("g.SET.7029"),
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)
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m03 := newFileMeta(
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703,
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1,
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base.ParseInternalKey("x.SET.7038"),
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base.ParseInternalKey("y.SET.7039"),
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)
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m04 := newFileMeta(
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704,
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1,
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base.ParseInternalKey("n.SET.7048"),
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base.ParseInternalKey("p.SET.7049"),
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)
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m05 := newFileMeta(
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705,
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1,
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base.ParseInternalKey("p.SET.7058"),
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base.ParseInternalKey("p.SET.7059"),
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)
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m06 := newFileMeta(
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706,
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1,
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base.ParseInternalKey("p.SET.7068"),
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base.ParseInternalKey("u.SET.7069"),
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)
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m07 := newFileMeta(
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707,
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1,
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base.ParseInternalKey("r.SET.7078"),
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base.ParseInternalKey("s.SET.7079"),
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)
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m10 := newFileMeta(
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710,
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1,
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base.ParseInternalKey("d.SET.7108"),
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base.ParseInternalKey("g.SET.7109"),
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)
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m11 := newFileMeta(
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711,
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1,
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base.ParseInternalKey("g.SET.7118"),
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base.ParseInternalKey("j.SET.7119"),
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)
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m12 := newFileMeta(
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712,
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1,
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base.ParseInternalKey("n.SET.7128"),
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base.ParseInternalKey("p.SET.7129"),
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)
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m13 := newFileMeta(
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713,
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1,
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base.ParseInternalKey("p.SET.7148"),
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base.ParseInternalKey("p.SET.7149"),
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)
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m14 := newFileMeta(
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714,
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1,
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base.ParseInternalKey("p.SET.7138"),
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base.ParseInternalKey("u.SET.7139"),
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)
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v := Version{
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Levels: [NumLevels]LevelMetadata{
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0: levelMetadata(0, m00, m01, m02, m03, m04, m05, m06, m07),
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1: levelMetadata(1, m10, m11, m12, m13, m14),
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},
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}
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testCases := []struct {
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level int
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file *FileMetadata
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want bool
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}{
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// Level 0: m00=b-e, m01=c-f, m02=f-g, m03=x-y, m04=n-p, m05=p-p, m06=p-u, m07=r-s.
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// Note that:
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// - the slice isn't sorted (e.g. m02=f-g, m03=x-y, m04=n-p),
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// - m00 and m01 overlap (not just touch),
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// - m06 contains m07,
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// - m00, m01 and m02 transitively overlap/touch each other, and
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// - m04, m05, m06 and m07 transitively overlap/touch each other.
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{0, m00, true},
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{0, m01, true},
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{0, m02, true},
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{0, m03, true},
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{0, m04, true},
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{0, m05, true},
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{0, m06, true},
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{0, m07, true},
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{0, m10, false},
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{0, m11, false},
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{0, m12, false},
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{0, m13, false},
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{0, m14, false},
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{1, m00, false},
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{1, m01, false},
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{1, m02, false},
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{1, m03, false},
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{1, m04, false},
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{1, m05, false},
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{1, m06, false},
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{1, m07, false},
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{1, m10, true},
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{1, m11, true},
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{1, m12, true},
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{1, m13, true},
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{1, m14, true},
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// Level 2: empty.
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{2, m00, false},
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{2, m14, false},
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}
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for _, tc := range testCases {
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got := v.Contains(tc.level, cmp, tc.file)
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if got != tc.want {
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t.Errorf("level=%d, file=%s\ngot %t\nwant %t", tc.level, tc.file, got, tc.want)
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}
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}
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}
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func TestVersionUnref(t *testing.T) {
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list := &VersionList{}
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list.Init(&sync.Mutex{})
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v := &Version{Deleted: func([]*FileBacking) {}}
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v.Ref()
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list.PushBack(v)
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v.Unref()
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if !list.Empty() {
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t.Fatalf("expected version list to be empty")
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}
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}
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func TestCheckOrdering(t *testing.T) {
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cmp := base.DefaultComparer.Compare
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fmtKey := base.DefaultComparer.FormatKey
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datadriven.RunTest(t, "testdata/version_check_ordering",
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func(t *testing.T, d *datadriven.TestData) string {
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switch d.Cmd {
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case "check-ordering":
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orderingInvariants := ProhibitSplitUserKeys
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if d.HasArg("allow-split-user-keys") {
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orderingInvariants = AllowSplitUserKeys
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}
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v, err := ParseVersionDebug(cmp, fmtKey, 10<<20, d.Input)
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if err != nil {
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return err.Error()
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}
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// L0 files compare on sequence numbers. Use the seqnums from the
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// smallest / largest bounds for the table.
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v.Levels[0].Slice().Each(func(m *FileMetadata) {
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m.SmallestSeqNum = m.Smallest.SeqNum()
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m.LargestSeqNum = m.Largest.SeqNum()
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})
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if err = v.CheckOrdering(cmp, base.DefaultFormatter, orderingInvariants); err != nil {
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return err.Error()
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}
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return "OK"
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default:
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return fmt.Sprintf("unknown command: %s", d.Cmd)
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}
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})
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}
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func TestExtendBounds(t *testing.T) {
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cmp := base.DefaultComparer.Compare
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parseBounds := func(line string) (lower, upper InternalKey) {
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parts := strings.Split(line, "-")
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if len(parts) == 1 {
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parts = strings.Split(parts[0], ":")
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start, end := strings.TrimSpace(parts[0]), strings.TrimSpace(parts[1])
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lower = base.ParseInternalKey(start)
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switch k := lower.Kind(); k {
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case base.InternalKeyKindRangeDelete:
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upper = base.MakeRangeDeleteSentinelKey([]byte(end))
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case base.InternalKeyKindRangeKeySet, base.InternalKeyKindRangeKeyUnset, base.InternalKeyKindRangeKeyDelete:
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upper = base.MakeExclusiveSentinelKey(k, []byte(end))
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default:
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panic(fmt.Sprintf("unknown kind %s with end key", k))
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}
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} else {
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l, u := strings.TrimSpace(parts[0]), strings.TrimSpace(parts[1])
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lower, upper = base.ParseInternalKey(l), base.ParseInternalKey(u)
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}
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return
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}
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format := func(m *FileMetadata) string {
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var b bytes.Buffer
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var smallest, largest string
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switch m.boundTypeSmallest {
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case boundTypePointKey:
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smallest = "point"
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case boundTypeRangeKey:
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smallest = "range"
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default:
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return fmt.Sprintf("unknown bound type %d", m.boundTypeSmallest)
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}
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switch m.boundTypeLargest {
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case boundTypePointKey:
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largest = "point"
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case boundTypeRangeKey:
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largest = "range"
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default:
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return fmt.Sprintf("unknown bound type %d", m.boundTypeLargest)
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}
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bounds, err := m.boundsMarker()
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if err != nil {
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panic(err)
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}
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fmt.Fprintf(&b, "%s\n", m.DebugString(base.DefaultFormatter, true))
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fmt.Fprintf(&b, " bounds: (smallest=%s,largest=%s) (0x%08b)\n", smallest, largest, bounds)
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return b.String()
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}
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m := &FileMetadata{}
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datadriven.RunTest(t, "testdata/file_metadata_bounds", func(t *testing.T, d *datadriven.TestData) string {
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switch d.Cmd {
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case "reset":
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m = &FileMetadata{}
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return ""
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case "extend-point-key-bounds":
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u, l := parseBounds(d.Input)
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m.ExtendPointKeyBounds(cmp, u, l)
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return format(m)
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case "extend-range-key-bounds":
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u, l := parseBounds(d.Input)
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m.ExtendRangeKeyBounds(cmp, u, l)
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return format(m)
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default:
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return fmt.Sprintf("unknown command %s\n", d.Cmd)
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}
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})
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}
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func TestFileMetadata_ParseRoundTrip(t *testing.T) {
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testCases := []struct {
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name string
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input string
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output string
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}{
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{
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name: "point keys only",
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input: "000001:[a#0,SET-z#0,DEL] seqnums:[0-0] points:[a#0,SET-z#0,DEL]",
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},
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{
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name: "range keys only",
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input: "000001:[a#0,RANGEKEYSET-z#0,RANGEKEYDEL] seqnums:[0-0] ranges:[a#0,RANGEKEYSET-z#0,RANGEKEYDEL]",
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},
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{
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name: "point and range keys",
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input: "000001:[a#0,RANGEKEYSET-d#0,DEL] seqnums:[0-0] points:[b#0,SET-d#0,DEL] ranges:[a#0,RANGEKEYSET-c#0,RANGEKEYDEL]",
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},
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{
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name: "point and range keys with nonzero senums",
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input: "000001:[a#3,RANGEKEYSET-d#4,DEL] seqnums:[3-7] points:[b#3,SET-d#4,DEL] ranges:[a#3,RANGEKEYSET-c#5,RANGEKEYDEL]",
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},
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{
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name: "whitespace",
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input: " 000001 : [ a#0,SET - z#0,DEL] points : [ a#0,SET - z#0,DEL] ",
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output: "000001:[a#0,SET-z#0,DEL] seqnums:[0-0] points:[a#0,SET-z#0,DEL]",
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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m, err := ParseFileMetadataDebug(tc.input)
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require.NoError(t, err)
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err = m.Validate(base.DefaultComparer.Compare, base.DefaultFormatter)
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require.NoError(t, err)
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got := m.DebugString(base.DefaultFormatter, true)
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want := tc.input
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if tc.output != "" {
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want = tc.output
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}
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require.Equal(t, want, got)
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})
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}
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}
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