mirror of
https://github.com/octoleo/restic.git
synced 2024-12-25 12:09:59 +00:00
328 lines
7.8 KiB
Go
328 lines
7.8 KiB
Go
package repository_test
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/rand"
|
|
"io"
|
|
"path/filepath"
|
|
"testing"
|
|
|
|
"github.com/restic/restic/backend"
|
|
"github.com/restic/restic/pack"
|
|
"github.com/restic/restic/repository"
|
|
. "github.com/restic/restic/test"
|
|
)
|
|
|
|
func randomID() backend.ID {
|
|
id := backend.ID{}
|
|
_, err := io.ReadFull(rand.Reader, id[:])
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return id
|
|
}
|
|
|
|
func TestIndexSerialize(t *testing.T) {
|
|
type testEntry struct {
|
|
id backend.ID
|
|
pack backend.ID
|
|
tpe pack.BlobType
|
|
offset, length uint
|
|
}
|
|
tests := []testEntry{}
|
|
|
|
idx := repository.NewIndex()
|
|
|
|
// create 50 packs with 20 blobs each
|
|
for i := 0; i < 50; i++ {
|
|
packID := randomID()
|
|
|
|
pos := uint(0)
|
|
for j := 0; j < 20; j++ {
|
|
id := randomID()
|
|
length := uint(i*100 + j)
|
|
idx.Store(pack.Data, id, &packID, pos, length)
|
|
|
|
tests = append(tests, testEntry{
|
|
id: id,
|
|
pack: packID,
|
|
tpe: pack.Data,
|
|
offset: pos,
|
|
length: length,
|
|
})
|
|
|
|
pos += length
|
|
}
|
|
}
|
|
|
|
wr := bytes.NewBuffer(nil)
|
|
err := idx.Encode(wr)
|
|
OK(t, err)
|
|
|
|
idx2, err := repository.DecodeIndex(wr)
|
|
OK(t, err)
|
|
Assert(t, idx2 != nil,
|
|
"nil returned for decoded index")
|
|
|
|
wr2 := bytes.NewBuffer(nil)
|
|
err = idx2.Encode(wr2)
|
|
OK(t, err)
|
|
|
|
for _, testBlob := range tests {
|
|
packID, tpe, offset, length, err := idx.Lookup(testBlob.id)
|
|
OK(t, err)
|
|
|
|
Equals(t, testBlob.pack, *packID)
|
|
Equals(t, testBlob.tpe, tpe)
|
|
Equals(t, testBlob.offset, offset)
|
|
Equals(t, testBlob.length, length)
|
|
|
|
packID, tpe, offset, length, err = idx2.Lookup(testBlob.id)
|
|
OK(t, err)
|
|
|
|
Equals(t, testBlob.pack, *packID)
|
|
Equals(t, testBlob.tpe, tpe)
|
|
Equals(t, testBlob.offset, offset)
|
|
Equals(t, testBlob.length, length)
|
|
}
|
|
|
|
// add more blobs to idx
|
|
newtests := []testEntry{}
|
|
for i := 0; i < 10; i++ {
|
|
packID := randomID()
|
|
|
|
pos := uint(0)
|
|
for j := 0; j < 10; j++ {
|
|
id := randomID()
|
|
length := uint(i*100 + j)
|
|
idx.Store(pack.Data, id, &packID, pos, length)
|
|
|
|
newtests = append(newtests, testEntry{
|
|
id: id,
|
|
pack: packID,
|
|
tpe: pack.Data,
|
|
offset: pos,
|
|
length: length,
|
|
})
|
|
|
|
pos += length
|
|
}
|
|
}
|
|
|
|
// serialize idx, unserialize to idx3
|
|
wr3 := bytes.NewBuffer(nil)
|
|
err = idx.Finalize(wr3)
|
|
OK(t, err)
|
|
|
|
Assert(t, idx.Final(),
|
|
"index not final after encoding")
|
|
|
|
idx3, err := repository.DecodeIndex(wr3)
|
|
OK(t, err)
|
|
Assert(t, idx3 != nil,
|
|
"nil returned for decoded index")
|
|
Assert(t, idx3.Final(),
|
|
"decoded index is not final")
|
|
|
|
// all new blobs must be in the index
|
|
for _, testBlob := range newtests {
|
|
packID, tpe, offset, length, err := idx3.Lookup(testBlob.id)
|
|
OK(t, err)
|
|
|
|
Equals(t, testBlob.pack, *packID)
|
|
Equals(t, testBlob.tpe, tpe)
|
|
Equals(t, testBlob.offset, offset)
|
|
Equals(t, testBlob.length, length)
|
|
}
|
|
}
|
|
|
|
func TestIndexSize(t *testing.T) {
|
|
idx := repository.NewIndex()
|
|
|
|
packs := 200
|
|
blobs := 100
|
|
for i := 0; i < packs; i++ {
|
|
packID := randomID()
|
|
|
|
pos := uint(0)
|
|
for j := 0; j < blobs; j++ {
|
|
id := randomID()
|
|
length := uint(i*100 + j)
|
|
idx.Store(pack.Data, id, &packID, pos, length)
|
|
|
|
pos += length
|
|
}
|
|
}
|
|
|
|
wr := bytes.NewBuffer(nil)
|
|
|
|
err := idx.Encode(wr)
|
|
OK(t, err)
|
|
|
|
t.Logf("Index file size for %d blobs in %d packs is %d", blobs*packs, packs, wr.Len())
|
|
}
|
|
|
|
// example index serialization from doc/Design.md
|
|
var docExample = []byte(`
|
|
{
|
|
"supersedes": [
|
|
"ed54ae36197f4745ebc4b54d10e0f623eaaaedd03013eb7ae90df881b7781452"
|
|
],
|
|
"packs": [
|
|
{
|
|
"id": "73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c",
|
|
"blobs": [
|
|
{
|
|
"id": "3ec79977ef0cf5de7b08cd12b874cd0f62bbaf7f07f3497a5b1bbcc8cb39b1ce",
|
|
"type": "data",
|
|
"offset": 0,
|
|
"length": 25
|
|
},{
|
|
"id": "9ccb846e60d90d4eb915848add7aa7ea1e4bbabfc60e573db9f7bfb2789afbae",
|
|
"type": "tree",
|
|
"offset": 38,
|
|
"length": 100
|
|
},
|
|
{
|
|
"id": "d3dc577b4ffd38cc4b32122cabf8655a0223ed22edfd93b353dc0c3f2b0fdf66",
|
|
"type": "data",
|
|
"offset": 150,
|
|
"length": 123
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
`)
|
|
|
|
var docOldExample = []byte(`
|
|
[ {
|
|
"id": "73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c",
|
|
"blobs": [
|
|
{
|
|
"id": "3ec79977ef0cf5de7b08cd12b874cd0f62bbaf7f07f3497a5b1bbcc8cb39b1ce",
|
|
"type": "data",
|
|
"offset": 0,
|
|
"length": 25
|
|
},{
|
|
"id": "9ccb846e60d90d4eb915848add7aa7ea1e4bbabfc60e573db9f7bfb2789afbae",
|
|
"type": "tree",
|
|
"offset": 38,
|
|
"length": 100
|
|
},
|
|
{
|
|
"id": "d3dc577b4ffd38cc4b32122cabf8655a0223ed22edfd93b353dc0c3f2b0fdf66",
|
|
"type": "data",
|
|
"offset": 150,
|
|
"length": 123
|
|
}
|
|
]
|
|
} ]
|
|
`)
|
|
|
|
var exampleTests = []struct {
|
|
id, packID backend.ID
|
|
tpe pack.BlobType
|
|
offset, length uint
|
|
}{
|
|
{
|
|
ParseID("3ec79977ef0cf5de7b08cd12b874cd0f62bbaf7f07f3497a5b1bbcc8cb39b1ce"),
|
|
ParseID("73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c"),
|
|
pack.Data, 0, 25,
|
|
}, {
|
|
ParseID("9ccb846e60d90d4eb915848add7aa7ea1e4bbabfc60e573db9f7bfb2789afbae"),
|
|
ParseID("73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c"),
|
|
pack.Tree, 38, 100,
|
|
}, {
|
|
ParseID("d3dc577b4ffd38cc4b32122cabf8655a0223ed22edfd93b353dc0c3f2b0fdf66"),
|
|
ParseID("73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c"),
|
|
pack.Data, 150, 123,
|
|
},
|
|
}
|
|
|
|
func TestIndexUnserialize(t *testing.T) {
|
|
oldIdx := backend.IDs{ParseID("ed54ae36197f4745ebc4b54d10e0f623eaaaedd03013eb7ae90df881b7781452")}
|
|
|
|
idx, err := repository.DecodeIndex(bytes.NewReader(docExample))
|
|
OK(t, err)
|
|
|
|
for _, test := range exampleTests {
|
|
packID, tpe, offset, length, err := idx.Lookup(test.id)
|
|
OK(t, err)
|
|
|
|
Equals(t, test.packID, *packID)
|
|
Equals(t, test.tpe, tpe)
|
|
Equals(t, test.offset, offset)
|
|
Equals(t, test.length, length)
|
|
}
|
|
|
|
Equals(t, oldIdx, idx.Supersedes())
|
|
}
|
|
|
|
func TestIndexUnserializeOld(t *testing.T) {
|
|
idx, err := repository.DecodeOldIndex(bytes.NewReader(docOldExample))
|
|
OK(t, err)
|
|
|
|
for _, test := range exampleTests {
|
|
packID, tpe, offset, length, err := idx.Lookup(test.id)
|
|
OK(t, err)
|
|
|
|
Equals(t, test.packID, *packID)
|
|
Equals(t, test.tpe, tpe)
|
|
Equals(t, test.offset, offset)
|
|
Equals(t, test.length, length)
|
|
}
|
|
|
|
Equals(t, 0, len(idx.Supersedes()))
|
|
}
|
|
|
|
var oldIndexTestRepo = filepath.Join("testdata", "old-index-repo.tar.gz")
|
|
|
|
func TestConvertIndex(t *testing.T) {
|
|
WithTestEnvironment(t, oldIndexTestRepo, func(repodir string) {
|
|
repo := OpenLocalRepo(t, repodir)
|
|
|
|
old := make(map[backend.ID]*repository.Index)
|
|
for id := range repo.List(backend.Index, nil) {
|
|
idx, err := repository.LoadIndex(repo, id.String())
|
|
OK(t, err)
|
|
old[id] = idx
|
|
}
|
|
|
|
OK(t, repository.ConvertIndexes(repo))
|
|
|
|
for id := range repo.List(backend.Index, nil) {
|
|
idx, err := repository.LoadIndexWithDecoder(repo, id.String(), repository.DecodeIndex)
|
|
OK(t, err)
|
|
|
|
Assert(t, len(idx.Supersedes()) == 1,
|
|
"Expected index %v to supersed exactly one index, got %v", id, idx.Supersedes())
|
|
|
|
oldIndexID := idx.Supersedes()[0]
|
|
|
|
oldIndex, ok := old[oldIndexID]
|
|
Assert(t, ok,
|
|
"Index %v superseds %v, but that wasn't found in the old index map", id.Str(), oldIndexID.Str())
|
|
|
|
Assert(t, idx.Count(pack.Data) == oldIndex.Count(pack.Data),
|
|
"Index %v count blobs %v: %v != %v", id.Str(), pack.Data, idx.Count(pack.Data), oldIndex.Count(pack.Data))
|
|
Assert(t, idx.Count(pack.Tree) == oldIndex.Count(pack.Tree),
|
|
"Index %v count blobs %v: %v != %v", id.Str(), pack.Tree, idx.Count(pack.Tree), oldIndex.Count(pack.Tree))
|
|
|
|
for packedBlob := range idx.Each(nil) {
|
|
packID, tpe, offset, length, err := oldIndex.Lookup(packedBlob.ID)
|
|
OK(t, err)
|
|
|
|
Assert(t, *packID == packedBlob.PackID,
|
|
"Check blob %v: pack ID %v != %v", packedBlob.ID, packID, packedBlob.PackID)
|
|
Assert(t, tpe == packedBlob.Type,
|
|
"Check blob %v: Type %v != %v", packedBlob.ID, tpe, packedBlob.Type)
|
|
Assert(t, offset == packedBlob.Offset,
|
|
"Check blob %v: Type %v != %v", packedBlob.ID, offset, packedBlob.Offset)
|
|
Assert(t, length == packedBlob.Length,
|
|
"Check blob %v: Type %v != %v", packedBlob.ID, length, packedBlob.Length)
|
|
}
|
|
}
|
|
})
|
|
}
|