mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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118 lines
2.8 KiB
Go
118 lines
2.8 KiB
Go
// Copyright 2018 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 pebble
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import (
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"fmt"
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"testing"
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"time"
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"github.com/cockroachdb/datadriven"
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"github.com/cockroachdb/errors"
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"github.com/cockroachdb/pebble/vfs"
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"github.com/stretchr/testify/require"
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)
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func TestManualFlush(t *testing.T) {
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getOptions := func() *Options {
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opts := &Options{
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FS: vfs.NewMem(),
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L0CompactionThreshold: 10,
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}
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opts.DisableAutomaticCompactions = true
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return opts
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}
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d, err := Open("", getOptions())
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require.NoError(t, err)
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defer func() {
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require.NoError(t, d.Close())
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}()
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datadriven.RunTest(t, "testdata/manual_flush", func(t *testing.T, td *datadriven.TestData) string {
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switch td.Cmd {
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case "batch":
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b := d.NewBatch()
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if err := runBatchDefineCmd(td, b); err != nil {
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return err.Error()
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}
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b.Commit(nil)
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return ""
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case "flush":
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if err := d.Flush(); err != nil {
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return err.Error()
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}
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d.mu.Lock()
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s := d.mu.versions.currentVersion().String()
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d.mu.Unlock()
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return s
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case "async-flush":
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d.mu.Lock()
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cur := d.mu.versions.currentVersion()
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d.mu.Unlock()
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if _, err := d.AsyncFlush(); err != nil {
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return err.Error()
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}
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err := try(100*time.Microsecond, 20*time.Second, func() error {
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d.mu.Lock()
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defer d.mu.Unlock()
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if cur == d.mu.versions.currentVersion() {
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return errors.New("flush has not occurred")
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}
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return nil
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})
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if err != nil {
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return err.Error()
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}
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d.mu.Lock()
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s := d.mu.versions.currentVersion().String()
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d.mu.Unlock()
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return s
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case "reset":
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if err := d.Close(); err != nil {
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return err.Error()
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}
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d, err = Open("", getOptions())
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if err != nil {
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return err.Error()
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}
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return ""
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default:
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return fmt.Sprintf("unknown command: %s", td.Cmd)
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}
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})
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}
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// TestFlushDelRangeEmptyKey tests flushing a range tombstone that begins with
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// an empty key. The empty key is a valid key but can be confused with nil.
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func TestFlushDelRangeEmptyKey(t *testing.T) {
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d, err := Open("", &Options{FS: vfs.NewMem()})
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require.NoError(t, err)
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require.NoError(t, d.DeleteRange([]byte{}, []byte("z"), nil))
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require.NoError(t, d.Flush())
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require.NoError(t, d.Close())
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}
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// TestFlushEmptyKey tests that flushing an empty key does not trigger that key
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// order invariant assertions.
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func TestFlushEmptyKey(t *testing.T) {
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d, err := Open("", &Options{FS: vfs.NewMem()})
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require.NoError(t, err)
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require.NoError(t, d.Set(nil, []byte("hello"), nil))
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require.NoError(t, d.Flush())
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val, closer, err := d.Get(nil)
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require.NoError(t, err)
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require.Equal(t, val, []byte("hello"))
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require.NoError(t, closer.Close())
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require.NoError(t, d.Close())
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}
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