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Add LoadBlob benchmark

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This commit is contained in:
Alexander Neumann 2017-01-13 12:20:37 +01:00
parent 8734c2466c
commit 215af5c60a
1 changed files with 39 additions and 7 deletions
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46
src/restic/repository/repository_test.go
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@ -2,12 +2,12 @@ package repository_test
import (
"bytes"
"crypto/rand"
"crypto/sha256"
"io"
mrand "math/rand"
"math/rand"
"path/filepath"
"testing"
"time"
"restic"
"restic/archiver"
@ -17,13 +17,15 @@ import (
var testSizes = []int{5, 23, 2<<18 + 23, 1 << 20}
var rnd = rand.New(rand.NewSource(time.Now().UnixNano()))
func TestSave(t *testing.T) {
repo, cleanup := repository.TestRepository(t)
defer cleanup()
for _, size := range testSizes {
data := make([]byte, size)
_, err := io.ReadFull(rand.Reader, data)
_, err := io.ReadFull(rnd, data)
OK(t, err)
id := restic.Hash(data)
@ -59,7 +61,7 @@ func TestSaveFrom(t *testing.T) {
for _, size := range testSizes {
data := make([]byte, size)
_, err := io.ReadFull(rand.Reader, data)
_, err := io.ReadFull(rnd, data)
OK(t, err)
id := restic.Hash(data)
@ -94,7 +96,7 @@ func BenchmarkSaveAndEncrypt(t *testing.B) {
size := 4 << 20 // 4MiB
data := make([]byte, size)
_, err := io.ReadFull(rand.Reader, data)
_, err := io.ReadFull(rnd, data)
OK(t, err)
id := restic.ID(sha256.Sum256(data))
@ -145,6 +147,36 @@ func BenchmarkLoadTree(t *testing.B) {
}
}
func BenchmarkLoadBlob(b *testing.B) {
repo, cleanup := repository.TestRepository(b)
defer cleanup()
length := 1000000
buf := make([]byte, length)
_, err := io.ReadFull(rnd, buf)
OK(b, err)
id, err := repo.SaveBlob(restic.DataBlob, buf, restic.ID{})
OK(b, err)
OK(b, repo.Flush())
b.ResetTimer()
b.SetBytes(int64(length))
for i := 0; i < b.N; i++ {
n, err := repo.LoadBlob(restic.DataBlob, id, buf)
OK(b, err)
if n != length {
b.Errorf("wanted %d bytes, got %d", length, n)
}
id2 := restic.Hash(buf[:n])
if !id.Equal(id2) {
b.Errorf("wrong data returned, wanted %v, got %v", id.Str(), id2.Str())
}
}
}
func TestLoadJSONUnpacked(t *testing.T) {
repo, cleanup := repository.TestRepository(t)
defer cleanup()
@ -197,10 +229,10 @@ func BenchmarkLoadIndex(b *testing.B) {
// saveRandomDataBlobs generates random data blobs and saves them to the repository.
func saveRandomDataBlobs(t testing.TB, repo restic.Repository, num int, sizeMax int) {
for i := 0; i < num; i++ {
size := mrand.Int() % sizeMax
size := rand.Int() % sizeMax
buf := make([]byte, size)
_, err := io.ReadFull(rand.Reader, buf)
_, err := io.ReadFull(rnd, buf)
OK(t, err)
_, err = repo.SaveBlob(restic.DataBlob, buf, restic.ID{})