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Move functions to correct file
This commit is contained in:
Alexander Neumann
parent
810056c2bc
commit
6227821b4e
@ -1,112 +0,0 @@
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package repository_test
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import (
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"io"
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"math/rand"
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"restic/backend"
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"restic/pack"
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"restic/repository"
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"testing"
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)
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func randomSize(min, max int) int {
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return rand.Intn(max-min) + min
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}
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func random(t *testing.T, length int) []byte {
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rd := repository.NewRandReader(rand.New(rand.NewSource(int64(length))))
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buf := make([]byte, length)
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_, err := io.ReadFull(rd, buf)
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if err != nil {
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t.Fatalf("unable to read %d random bytes: %v", length, err)
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}
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return buf
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}
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func createRandomBlobs(t *testing.T, repo *repository.Repository, blobs int, pData float32) {
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for i := 0; i < blobs; i++ {
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var (
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tpe pack.BlobType
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length int
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)
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if rand.Float32() < pData {
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tpe = pack.Data
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length = randomSize(50*1024, 2*1024*1024) // 50KiB to 2MiB of data
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} else {
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tpe = pack.Tree
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length = randomSize(5*1024, 50*1024) // 5KiB to 50KiB
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}
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_, err := repo.SaveAndEncrypt(tpe, random(t, length), nil)
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if err != nil {
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t.Fatalf("SaveFrom() error %v", err)
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}
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if rand.Float32() < 0.2 {
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if err = repo.Flush(); err != nil {
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t.Fatalf("repo.Flush() returned error %v", err)
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}
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}
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}
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if err := repo.Flush(); err != nil {
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t.Fatalf("repo.Flush() returned error %v", err)
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}
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}
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// selectBlobs splits the list of all blobs randomly into two lists. A blob
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// will be contained in the firstone ith probability p.
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func selectBlobs(t *testing.T, repo *repository.Repository, p float32) (list1, list2 backend.IDSet) {
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done := make(chan struct{})
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defer close(done)
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list1 = backend.NewIDSet()
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list2 = backend.NewIDSet()
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for id := range repo.List(backend.Data, done) {
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entries, err := repo.ListPack(id)
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if err != nil {
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t.Fatalf("error listing pack %v: %v", id, err)
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}
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for _, entry := range entries {
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if rand.Float32() <= p {
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list1.Insert(entry.ID)
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} else {
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list2.Insert(entry.ID)
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}
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}
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}
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return list1, list2
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}
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func listPacks(t *testing.T, repo *repository.Repository) backend.IDSet {
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done := make(chan struct{})
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defer close(done)
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list := backend.NewIDSet()
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for id := range repo.List(backend.Data, done) {
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list.Insert(id)
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}
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return list
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}
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func findPacksForBlobs(t *testing.T, repo *repository.Repository, blobs backend.IDSet) backend.IDSet {
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packs := backend.NewIDSet()
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idx := repo.Index()
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for id := range blobs {
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pb, err := idx.Lookup(id)
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if err != nil {
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t.Fatal(err)
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}
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packs.Insert(pb.PackID)
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}
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return packs
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}
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@ -1,12 +1,116 @@
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package repository_test
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import (
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"io"
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"math/rand"
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"restic/backend"
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"restic/pack"
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"restic/repository"
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"testing"
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)
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func randomSize(min, max int) int {
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return rand.Intn(max-min) + min
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}
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func random(t *testing.T, length int) []byte {
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rd := repository.NewRandReader(rand.New(rand.NewSource(int64(length))))
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buf := make([]byte, length)
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_, err := io.ReadFull(rd, buf)
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if err != nil {
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t.Fatalf("unable to read %d random bytes: %v", length, err)
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}
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return buf
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}
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func createRandomBlobs(t *testing.T, repo *repository.Repository, blobs int, pData float32) {
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for i := 0; i < blobs; i++ {
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var (
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tpe pack.BlobType
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length int
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)
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if rand.Float32() < pData {
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tpe = pack.Data
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length = randomSize(50*1024, 2*1024*1024) // 50KiB to 2MiB of data
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} else {
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tpe = pack.Tree
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length = randomSize(5*1024, 50*1024) // 5KiB to 50KiB
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}
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_, err := repo.SaveAndEncrypt(tpe, random(t, length), nil)
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if err != nil {
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t.Fatalf("SaveFrom() error %v", err)
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}
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if rand.Float32() < 0.2 {
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if err = repo.Flush(); err != nil {
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t.Fatalf("repo.Flush() returned error %v", err)
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}
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}
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}
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if err := repo.Flush(); err != nil {
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t.Fatalf("repo.Flush() returned error %v", err)
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}
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}
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// selectBlobs splits the list of all blobs randomly into two lists. A blob
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// will be contained in the firstone ith probability p.
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func selectBlobs(t *testing.T, repo *repository.Repository, p float32) (list1, list2 backend.IDSet) {
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done := make(chan struct{})
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defer close(done)
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list1 = backend.NewIDSet()
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list2 = backend.NewIDSet()
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for id := range repo.List(backend.Data, done) {
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entries, err := repo.ListPack(id)
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if err != nil {
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t.Fatalf("error listing pack %v: %v", id, err)
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}
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for _, entry := range entries {
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if rand.Float32() <= p {
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list1.Insert(entry.ID)
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} else {
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list2.Insert(entry.ID)
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}
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}
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}
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return list1, list2
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}
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func listPacks(t *testing.T, repo *repository.Repository) backend.IDSet {
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done := make(chan struct{})
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defer close(done)
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list := backend.NewIDSet()
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for id := range repo.List(backend.Data, done) {
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list.Insert(id)
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}
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return list
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}
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func findPacksForBlobs(t *testing.T, repo *repository.Repository, blobs backend.IDSet) backend.IDSet {
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packs := backend.NewIDSet()
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idx := repo.Index()
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for id := range blobs {
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pb, err := idx.Lookup(id)
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if err != nil {
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t.Fatal(err)
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}
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packs.Insert(pb.PackID)
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}
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return packs
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}
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func repack(t *testing.T, repo *repository.Repository, packs, blobs backend.IDSet) {
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err := repository.Repack(repo, packs, blobs)
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if err != nil {
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