func TestLoadLargeBuffer(t *testing.T) {
b := mem.New()
for i := 0; i < 20; i++ {
data := Random(23+i, rand.Intn(MiB)+500*KiB)
id := backend.Hash(data)
err := b.Save(backend.Handle{Name: id.String(), Type: backend.Data}, data)
OK(t, err)
buf := make([]byte, len(data)+100)
buf, err = backend.LoadAll(b, backend.Handle{Type: backend.Data, Name: id.String()}, buf)
OK(t, err)
if len(buf) != len(data) {
t.Errorf("length of returned buffer does not match, want %d, got %d", len(data), len(buf))
continue
}
if !bytes.Equal(buf, data) {
t.Errorf("wrong data returned")
continue
}
}
}
func TestShortPack(t *testing.T) {
k := crypto.NewRandomKey()
bufs, packData, packSize := newPack(t, k, []int{23})
b := mem.New()
id := restic.Hash(packData)
handle := restic.Handle{Type: restic.DataFile, Name: id.String()}
OK(t, b.Save(handle, packData))
verifyBlobs(t, bufs, k, restic.ReaderAt(b, handle), packSize)
}
func TestUnpackReadSeeker(t *testing.T) {
// create random keys
k := crypto.NewRandomKey()
bufs, packData, packSize := newPack(t, k, testLens)
b := mem.New()
id := restic.Hash(packData)
handle := restic.Handle{Type: restic.DataFile, Name: id.String()}
OK(t, b.Save(handle, packData))
verifyBlobs(t, bufs, k, restic.ReaderAt(b, handle), packSize)
}
func TestPackerManager(t *testing.T) {
rnd := newRandReader(rand.NewSource(23))
be := mem.New()
pm := newPackerManager(be, crypto.NewRandomKey())
blobBuf := make([]byte, maxBlobSize)
bytes := fillPacks(t, rnd, be, pm, blobBuf)
bytes += flushRemainingPacks(t, rnd, be, pm)
t.Logf("saved %d bytes", bytes)
}
func TestUnpackReadSeeker(t *testing.T) {
// create random keys
k := crypto.NewRandomKey()
bufs, packData, packSize := newPack(t, k)
b := mem.New()
id := backend.Hash(packData)
handle := backend.Handle{Type: backend.Data, Name: id.String()}
OK(t, b.Save(handle, packData))
rd := backend.NewReadSeeker(b, handle)
verifyBlobs(t, bufs, k, rd, packSize)
}
func TestCheckerModifiedData(t *testing.T) {
be := mem.New()
repository.TestUseLowSecurityKDFParameters(t)
repo := repository.New(be)
test.OK(t, repo.Init(test.TestPassword))
arch := archiver.New(repo)
_, id, err := arch.Snapshot(nil, []string{"."}, nil, nil)
test.OK(t, err)
t.Logf("archived as %v", id.Str())
beError := &errorBackend{Backend: be}
checkRepo := repository.New(beError)
test.OK(t, checkRepo.SearchKey(test.TestPassword, 5))
chkr := checker.New(checkRepo)
hints, errs := chkr.LoadIndex()
if len(errs) > 0 {
t.Fatalf("expected no errors, got %v: %v", len(errs), errs)
}
if len(hints) > 0 {
t.Errorf("expected no hints, got %v: %v", len(hints), hints)
}
beError.ProduceErrors = true
errFound := false
for _, err := range checkPacks(chkr) {
t.Logf("pack error: %v", err)
}
for _, err := range checkStruct(chkr) {
t.Logf("struct error: %v", err)
}
for _, err := range checkData(chkr) {
t.Logf("struct error: %v", err)
errFound = true
}
if !errFound {
t.Fatal("no error found, checker is broken")
}
}
func TestReadSeeker(t *testing.T) {
b := mem.New()
length := rand.Intn(1<<24) + 2000
data := Random(23, length)
id := backend.Hash(data)
handle := backend.Handle{Type: backend.Data, Name: id.String()}
err := b.Save(handle, data)
if err != nil {
t.Fatalf("Save() error: %v", err)
}
for i := 0; i < 50; i++ {
l := rand.Intn(length + 2000)
o := rand.Intn(length + 2000)
if rand.Float32() > 0.5 {
o = -o
}
d := data
if o > 0 && o < len(d) {
d = d[o:]
} else {
o = len(d)
d = d[:0]
}
if l > 0 && l < len(d) {
d = d[:l]
}
rd := backend.NewReadSeeker(b, handle)
loadAndCompare(t, rd, len(data), int64(o), d)
}
}
func init() {
test.CreateFn = func() (restic.Backend, error) {
if be != nil {
return nil, errors.New("temporary memory backend dir already exists")
}
be = mem.New()
return be, nil
}
test.OpenFn = func() (restic.Backend, error) {
if be == nil {
return nil, errors.New("repository not initialized")
}
return be, nil
}
test.CleanupFn = func() error {
be = nil
return nil
}
}
func TestLoadAll(t *testing.T) {
b := mem.New()
for i := 0; i < 20; i++ {
data := Random(23+i, rand.Intn(MiB)+500*KiB)
id := restic.Hash(data)
err := b.Save(restic.Handle{Name: id.String(), Type: restic.DataFile}, data)
OK(t, err)
buf, err := backend.LoadAll(b, restic.Handle{Type: restic.DataFile, Name: id.String()}, nil)
OK(t, err)
if len(buf) != len(data) {
t.Errorf("length of returned buffer does not match, want %d, got %d", len(data), len(buf))
continue
}
if !bytes.Equal(buf, data) {
t.Errorf("wrong data returned")
continue
}
}
}
// TestBackend returns a fully configured in-memory backend.
func TestBackend(t testing.TB) (be restic.Backend, cleanup func()) {
return mem.New(), func() {}
}