87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
// stm: #unit
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package backupds
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import (
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"bytes"
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"context"
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"fmt"
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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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"github.com/ipfs/go-datastore"
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"github.com/stretchr/testify/require"
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)
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const valSize = 512 << 10
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func putVals(t *testing.T, ds datastore.Datastore, start, end int) {
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for i := start; i < end; i++ {
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err := ds.Put(context.TODO(), datastore.NewKey(fmt.Sprintf("%d", i)), []byte(fmt.Sprintf("%d-%s", i, strings.Repeat("~", valSize))))
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require.NoError(t, err)
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}
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}
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func checkVals(t *testing.T, ds datastore.Datastore, start, end int, exist bool) {
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for i := start; i < end; i++ {
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v, err := ds.Get(context.TODO(), datastore.NewKey(fmt.Sprintf("%d", i)))
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if exist {
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require.NoError(t, err)
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expect := []byte(fmt.Sprintf("%d-%s", i, strings.Repeat("~", valSize)))
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require.EqualValues(t, expect, v)
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} else {
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require.ErrorIs(t, err, datastore.ErrNotFound)
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}
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}
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}
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func TestNoLogRestore(t *testing.T) {
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//stm: @OTHER_DATASTORE_RESTORE_002
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ds1 := datastore.NewMapDatastore()
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putVals(t, ds1, 0, 10)
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bds, err := Wrap(ds1, NoLogdir)
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require.NoError(t, err)
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var bup bytes.Buffer
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require.NoError(t, bds.Backup(context.TODO(), &bup))
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putVals(t, ds1, 10, 20)
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ds2 := datastore.NewMapDatastore()
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require.NoError(t, RestoreInto(&bup, ds2))
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checkVals(t, ds2, 0, 10, true)
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checkVals(t, ds2, 10, 20, false)
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}
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func TestLogRestore(t *testing.T) {
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//stm: @OTHER_DATASTORE_RESTORE_001
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logdir := t.TempDir()
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ds1 := datastore.NewMapDatastore()
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putVals(t, ds1, 0, 10)
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bds, err := Wrap(ds1, logdir)
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require.NoError(t, err)
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putVals(t, bds, 10, 20)
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require.NoError(t, bds.Close())
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fls, err := os.ReadDir(logdir)
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require.NoError(t, err)
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require.Equal(t, 1, len(fls))
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bf, err := os.ReadFile(filepath.Join(logdir, fls[0].Name()))
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require.NoError(t, err)
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ds2 := datastore.NewMapDatastore()
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require.NoError(t, RestoreInto(bytes.NewReader(bf), ds2))
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checkVals(t, ds2, 0, 20, true)
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}
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