mirror of
https://github.com/restic/restic.git
synced 2024-08-31 08:37:35 +02:00
TestRepository and its variants always returned no-op cleanup functions. If they ever do need to do cleanup, using testing.T.Cleanup is easier than passing these functions around.
397 lines
9.6 KiB
Go
397 lines
9.6 KiB
Go
package index_test
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"math/rand"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/restic/restic/internal/checker"
|
|
"github.com/restic/restic/internal/crypto"
|
|
"github.com/restic/restic/internal/index"
|
|
"github.com/restic/restic/internal/repository"
|
|
"github.com/restic/restic/internal/restic"
|
|
rtest "github.com/restic/restic/internal/test"
|
|
)
|
|
|
|
func TestMasterIndex(t *testing.T) {
|
|
bhInIdx1 := restic.NewRandomBlobHandle()
|
|
bhInIdx2 := restic.NewRandomBlobHandle()
|
|
bhInIdx12 := restic.BlobHandle{ID: restic.NewRandomID(), Type: restic.TreeBlob}
|
|
|
|
blob1 := restic.PackedBlob{
|
|
PackID: restic.NewRandomID(),
|
|
Blob: restic.Blob{
|
|
BlobHandle: bhInIdx1,
|
|
Length: uint(crypto.CiphertextLength(10)),
|
|
Offset: 0,
|
|
},
|
|
}
|
|
|
|
blob2 := restic.PackedBlob{
|
|
PackID: restic.NewRandomID(),
|
|
Blob: restic.Blob{
|
|
BlobHandle: bhInIdx2,
|
|
Length: uint(crypto.CiphertextLength(100)),
|
|
Offset: 10,
|
|
UncompressedLength: 200,
|
|
},
|
|
}
|
|
|
|
blob12a := restic.PackedBlob{
|
|
PackID: restic.NewRandomID(),
|
|
Blob: restic.Blob{
|
|
BlobHandle: bhInIdx12,
|
|
Length: uint(crypto.CiphertextLength(123)),
|
|
Offset: 110,
|
|
},
|
|
}
|
|
|
|
blob12b := restic.PackedBlob{
|
|
PackID: restic.NewRandomID(),
|
|
Blob: restic.Blob{
|
|
BlobHandle: bhInIdx12,
|
|
Length: uint(crypto.CiphertextLength(123)),
|
|
Offset: 50,
|
|
UncompressedLength: 80,
|
|
},
|
|
}
|
|
|
|
idx1 := index.NewIndex()
|
|
idx1.StorePack(blob1.PackID, []restic.Blob{blob1.Blob})
|
|
idx1.StorePack(blob12a.PackID, []restic.Blob{blob12a.Blob})
|
|
|
|
idx2 := index.NewIndex()
|
|
idx2.StorePack(blob2.PackID, []restic.Blob{blob2.Blob})
|
|
idx2.StorePack(blob12b.PackID, []restic.Blob{blob12b.Blob})
|
|
|
|
mIdx := index.NewMasterIndex()
|
|
mIdx.Insert(idx1)
|
|
mIdx.Insert(idx2)
|
|
|
|
// test idInIdx1
|
|
found := mIdx.Has(bhInIdx1)
|
|
rtest.Equals(t, true, found)
|
|
|
|
blobs := mIdx.Lookup(bhInIdx1)
|
|
rtest.Equals(t, []restic.PackedBlob{blob1}, blobs)
|
|
|
|
size, found := mIdx.LookupSize(bhInIdx1)
|
|
rtest.Equals(t, true, found)
|
|
rtest.Equals(t, uint(10), size)
|
|
|
|
// test idInIdx2
|
|
found = mIdx.Has(bhInIdx2)
|
|
rtest.Equals(t, true, found)
|
|
|
|
blobs = mIdx.Lookup(bhInIdx2)
|
|
rtest.Equals(t, []restic.PackedBlob{blob2}, blobs)
|
|
|
|
size, found = mIdx.LookupSize(bhInIdx2)
|
|
rtest.Equals(t, true, found)
|
|
rtest.Equals(t, uint(200), size)
|
|
|
|
// test idInIdx12
|
|
found = mIdx.Has(bhInIdx12)
|
|
rtest.Equals(t, true, found)
|
|
|
|
blobs = mIdx.Lookup(bhInIdx12)
|
|
rtest.Equals(t, 2, len(blobs))
|
|
|
|
// test Lookup result for blob12a
|
|
found = false
|
|
if blobs[0] == blob12a || blobs[1] == blob12a {
|
|
found = true
|
|
}
|
|
rtest.Assert(t, found, "blob12a not found in result")
|
|
|
|
// test Lookup result for blob12b
|
|
found = false
|
|
if blobs[0] == blob12b || blobs[1] == blob12b {
|
|
found = true
|
|
}
|
|
rtest.Assert(t, found, "blob12a not found in result")
|
|
|
|
size, found = mIdx.LookupSize(bhInIdx12)
|
|
rtest.Equals(t, true, found)
|
|
rtest.Equals(t, uint(123), size)
|
|
|
|
// test not in index
|
|
found = mIdx.Has(restic.BlobHandle{ID: restic.NewRandomID(), Type: restic.TreeBlob})
|
|
rtest.Assert(t, !found, "Expected no blobs when fetching with a random id")
|
|
blobs = mIdx.Lookup(restic.NewRandomBlobHandle())
|
|
rtest.Assert(t, blobs == nil, "Expected no blobs when fetching with a random id")
|
|
_, found = mIdx.LookupSize(restic.NewRandomBlobHandle())
|
|
rtest.Assert(t, !found, "Expected no blobs when fetching with a random id")
|
|
}
|
|
|
|
func TestMasterMergeFinalIndexes(t *testing.T) {
|
|
bhInIdx1 := restic.NewRandomBlobHandle()
|
|
bhInIdx2 := restic.NewRandomBlobHandle()
|
|
|
|
blob1 := restic.PackedBlob{
|
|
PackID: restic.NewRandomID(),
|
|
Blob: restic.Blob{
|
|
BlobHandle: bhInIdx1,
|
|
Length: 10,
|
|
Offset: 0,
|
|
},
|
|
}
|
|
|
|
blob2 := restic.PackedBlob{
|
|
PackID: restic.NewRandomID(),
|
|
Blob: restic.Blob{
|
|
BlobHandle: bhInIdx2,
|
|
Length: 100,
|
|
Offset: 10,
|
|
UncompressedLength: 200,
|
|
},
|
|
}
|
|
|
|
idx1 := index.NewIndex()
|
|
idx1.StorePack(blob1.PackID, []restic.Blob{blob1.Blob})
|
|
|
|
idx2 := index.NewIndex()
|
|
idx2.StorePack(blob2.PackID, []restic.Blob{blob2.Blob})
|
|
|
|
mIdx := index.NewMasterIndex()
|
|
mIdx.Insert(idx1)
|
|
mIdx.Insert(idx2)
|
|
|
|
finalIndexes, idxCount := index.TestMergeIndex(t, mIdx)
|
|
rtest.Equals(t, []*index.Index{idx1, idx2}, finalIndexes)
|
|
rtest.Equals(t, 1, idxCount)
|
|
|
|
blobCount := 0
|
|
mIdx.Each(context.TODO(), func(pb restic.PackedBlob) {
|
|
blobCount++
|
|
})
|
|
rtest.Equals(t, 2, blobCount)
|
|
|
|
blobs := mIdx.Lookup(bhInIdx1)
|
|
rtest.Equals(t, []restic.PackedBlob{blob1}, blobs)
|
|
|
|
blobs = mIdx.Lookup(bhInIdx2)
|
|
rtest.Equals(t, []restic.PackedBlob{blob2}, blobs)
|
|
|
|
blobs = mIdx.Lookup(restic.NewRandomBlobHandle())
|
|
rtest.Assert(t, blobs == nil, "Expected no blobs when fetching with a random id")
|
|
|
|
// merge another index containing identical blobs
|
|
idx3 := index.NewIndex()
|
|
idx3.StorePack(blob1.PackID, []restic.Blob{blob1.Blob})
|
|
idx3.StorePack(blob2.PackID, []restic.Blob{blob2.Blob})
|
|
|
|
mIdx.Insert(idx3)
|
|
finalIndexes, idxCount = index.TestMergeIndex(t, mIdx)
|
|
rtest.Equals(t, []*index.Index{idx3}, finalIndexes)
|
|
rtest.Equals(t, 1, idxCount)
|
|
|
|
// Index should have same entries as before!
|
|
blobs = mIdx.Lookup(bhInIdx1)
|
|
rtest.Equals(t, []restic.PackedBlob{blob1}, blobs)
|
|
|
|
blobs = mIdx.Lookup(bhInIdx2)
|
|
rtest.Equals(t, []restic.PackedBlob{blob2}, blobs)
|
|
|
|
blobCount = 0
|
|
mIdx.Each(context.TODO(), func(pb restic.PackedBlob) {
|
|
blobCount++
|
|
})
|
|
rtest.Equals(t, 2, blobCount)
|
|
}
|
|
|
|
func createRandomMasterIndex(t testing.TB, rng *rand.Rand, num, size int) (*index.MasterIndex, restic.BlobHandle) {
|
|
mIdx := index.NewMasterIndex()
|
|
for i := 0; i < num-1; i++ {
|
|
idx, _ := createRandomIndex(rng, size)
|
|
mIdx.Insert(idx)
|
|
}
|
|
idx1, lookupBh := createRandomIndex(rng, size)
|
|
mIdx.Insert(idx1)
|
|
|
|
index.TestMergeIndex(t, mIdx)
|
|
|
|
return mIdx, lookupBh
|
|
}
|
|
|
|
func BenchmarkMasterIndexAlloc(b *testing.B) {
|
|
rng := rand.New(rand.NewSource(0))
|
|
b.ReportAllocs()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
createRandomMasterIndex(b, rng, 10000, 5)
|
|
}
|
|
}
|
|
|
|
func BenchmarkMasterIndexLookupSingleIndex(b *testing.B) {
|
|
mIdx, lookupBh := createRandomMasterIndex(b, rand.New(rand.NewSource(0)), 1, 200000)
|
|
|
|
b.ResetTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
mIdx.Lookup(lookupBh)
|
|
}
|
|
}
|
|
|
|
func BenchmarkMasterIndexLookupMultipleIndex(b *testing.B) {
|
|
mIdx, lookupBh := createRandomMasterIndex(b, rand.New(rand.NewSource(0)), 100, 10000)
|
|
|
|
b.ResetTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
mIdx.Lookup(lookupBh)
|
|
}
|
|
}
|
|
|
|
func BenchmarkMasterIndexLookupSingleIndexUnknown(b *testing.B) {
|
|
|
|
lookupBh := restic.NewRandomBlobHandle()
|
|
mIdx, _ := createRandomMasterIndex(b, rand.New(rand.NewSource(0)), 1, 200000)
|
|
|
|
b.ResetTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
mIdx.Lookup(lookupBh)
|
|
}
|
|
}
|
|
|
|
func BenchmarkMasterIndexLookupMultipleIndexUnknown(b *testing.B) {
|
|
lookupBh := restic.NewRandomBlobHandle()
|
|
mIdx, _ := createRandomMasterIndex(b, rand.New(rand.NewSource(0)), 100, 10000)
|
|
|
|
b.ResetTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
mIdx.Lookup(lookupBh)
|
|
}
|
|
}
|
|
|
|
func BenchmarkMasterIndexLookupParallel(b *testing.B) {
|
|
for _, numindices := range []int{25, 50, 100} {
|
|
var lookupBh restic.BlobHandle
|
|
|
|
b.StopTimer()
|
|
rng := rand.New(rand.NewSource(0))
|
|
mIdx, lookupBh := createRandomMasterIndex(b, rng, numindices, 10000)
|
|
b.StartTimer()
|
|
|
|
name := fmt.Sprintf("known,indices=%d", numindices)
|
|
b.Run(name, func(b *testing.B) {
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
for pb.Next() {
|
|
mIdx.Lookup(lookupBh)
|
|
}
|
|
})
|
|
})
|
|
|
|
lookupBh = restic.NewRandomBlobHandle()
|
|
name = fmt.Sprintf("unknown,indices=%d", numindices)
|
|
b.Run(name, func(b *testing.B) {
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
for pb.Next() {
|
|
mIdx.Lookup(lookupBh)
|
|
}
|
|
})
|
|
})
|
|
}
|
|
}
|
|
|
|
func BenchmarkMasterIndexLookupBlobSize(b *testing.B) {
|
|
rng := rand.New(rand.NewSource(0))
|
|
mIdx, lookupBh := createRandomMasterIndex(b, rand.New(rng), 5, 200000)
|
|
|
|
b.ResetTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
mIdx.LookupSize(lookupBh)
|
|
}
|
|
}
|
|
|
|
func BenchmarkMasterIndexEach(b *testing.B) {
|
|
rng := rand.New(rand.NewSource(0))
|
|
mIdx, _ := createRandomMasterIndex(b, rand.New(rng), 5, 200000)
|
|
|
|
b.ResetTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
entries := 0
|
|
mIdx.Each(context.TODO(), func(pb restic.PackedBlob) {
|
|
entries++
|
|
})
|
|
}
|
|
}
|
|
|
|
var (
|
|
snapshotTime = time.Unix(1470492820, 207401672)
|
|
depth = 3
|
|
)
|
|
|
|
func createFilledRepo(t testing.TB, snapshots int, dup float32, version uint) restic.Repository {
|
|
repo := repository.TestRepositoryWithVersion(t, version)
|
|
|
|
for i := 0; i < 3; i++ {
|
|
restic.TestCreateSnapshot(t, repo, snapshotTime.Add(time.Duration(i)*time.Second), depth, dup)
|
|
}
|
|
return repo
|
|
}
|
|
|
|
func TestIndexSave(t *testing.T) {
|
|
repository.TestAllVersions(t, testIndexSave)
|
|
}
|
|
|
|
func testIndexSave(t *testing.T, version uint) {
|
|
repo := createFilledRepo(t, 3, 0, version)
|
|
|
|
err := repo.LoadIndex(context.TODO())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
obsoletes, err := repo.Index().Save(context.TODO(), repo, nil, nil, nil)
|
|
if err != nil {
|
|
t.Fatalf("unable to save new index: %v", err)
|
|
}
|
|
|
|
for id := range obsoletes {
|
|
t.Logf("remove index %v", id.Str())
|
|
h := restic.Handle{Type: restic.IndexFile, Name: id.String()}
|
|
err = repo.Backend().Remove(context.TODO(), h)
|
|
if err != nil {
|
|
t.Errorf("error removing index %v: %v", id, err)
|
|
}
|
|
}
|
|
|
|
checker := checker.New(repo, false)
|
|
err = checker.LoadSnapshots(context.TODO())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
hints, errs := checker.LoadIndex(context.TODO())
|
|
for _, h := range hints {
|
|
t.Logf("hint: %v\n", h)
|
|
}
|
|
|
|
for _, err := range errs {
|
|
t.Errorf("checker found error: %v", err)
|
|
}
|
|
|
|
ctx, cancel := context.WithCancel(context.TODO())
|
|
defer cancel()
|
|
|
|
errCh := make(chan error)
|
|
go checker.Structure(ctx, nil, errCh)
|
|
i := 0
|
|
for err := range errCh {
|
|
t.Errorf("checker returned error: %v", err)
|
|
i++
|
|
if i == 10 {
|
|
t.Errorf("more than 10 errors returned, skipping the rest")
|
|
cancel()
|
|
break
|
|
}
|
|
}
|
|
}
|