func TestFileWriteRead(t *testing.T) {
snapshotio := inodedb.NewSimpleDBStateSnapshotIO()
txio := inodedb.NewSimpleDBTransactionLogIO()
idb, err := inodedb.NewEmptyDB(snapshotio, txio)
if err != nil {
t.Errorf("NewEmptyDB failed: %v", err)
return
}
bs := tu.TestFileBlobStore()
fs := otaru.NewFileSystem(idb, bs, tu.TestCipher())
h, err := fs.OpenFileFullPath("/hello.txt", flags.O_CREATE|flags.O_RDWR, 0666)
if err != nil {
t.Errorf("OpenFileFullPath failed: %v", err)
return
}
err = h.PWrite(tu.HelloWorld, 0)
if err != nil {
t.Errorf("PWrite failed: %v", err)
}
buf := make([]byte, 32)
n, err := h.ReadAt(buf, 0)
if err != nil {
t.Errorf("PRead failed: %v", err)
}
buf = buf[:n]
if n != len(tu.HelloWorld) {
t.Errorf("n: %d", n)
}
if !bytes.Equal(tu.HelloWorld, buf) {
t.Errorf("PRead content != PWrite content: %v", buf)
}
}
func TestCachedBackendVersion_UseCached(t *testing.T) {
bs := tu.TestFileBlobStore()
cbv := cachedblobstore.NewCachedBackendVersion(bs, tu.TestQueryVersion)
cbv.Set("foobar", 123)
v, err := cbv.Query("foobar")
if err != nil {
t.Errorf("Unexpected Query() err: %v", err)
return
}
if v != 123 {
t.Errorf("Unexpected Query() result. v: %d", v)
return
}
}
func TestCachedBackendVersion_FillCache(t *testing.T) {
bs := tu.TestFileBlobStore()
if err := tu.WriteVersionedBlob(bs, "uncached", 42); err != nil {
t.Errorf("%v", err)
return
}
cbv := cachedblobstore.NewCachedBackendVersion(bs, tu.TestQueryVersion)
v, err := cbv.Query("uncached")
if err != nil {
t.Errorf("Unexpected Query() err: %v", err)
return
}
if v != 42 {
t.Errorf("Unexpected Query() result. v: %d", v)
return
}
}
func TestSS_SaveRestore(t *testing.T) {
loc := datastore.NewINodeDBSSLocator(authtu.TestDSConfig(testRootKey()))
if _, err := loc.DeleteAll(); err != nil {
t.Errorf("Failed to loc.DeleteAll: %v", err)
}
bs := tu.TestFileBlobStore()
sio := blobstoredbstatesnapshotio.New(bs, tu.TestCipher(), loc)
db, err := inodedb.NewEmptyDB(sio, inodedb.NewSimpleDBTransactionLogIO())
if err != nil {
t.Errorf("Failed to NewEmptyDB: %v", err)
return
}
if err := db.Sync(); err != nil {
t.Errorf("Failed to Sync DB: %v", err)
return
}
_, err = inodedb.NewDB(sio, inodedb.NewSimpleDBTransactionLogIO())
if err != nil {
t.Errorf("Failed to NewDB: %v", err)
}
}
func TestCachedBackedVersion_SaveRestore(t *testing.T) {
bs := tu.TestFileBlobStore()
cbv := cachedblobstore.NewCachedBackendVersion(bs, tu.TestQueryVersion)
cbv.Set("foobar", 123)
if err := cbv.SaveStateToBlobstore(tu.TestCipher(), bs); err != nil {
t.Errorf("Failed to save state: %v", err)
return
}
cbv2 := cachedblobstore.NewCachedBackendVersion(bs, tu.TestQueryVersion)
if err := cbv2.RestoreStateFromBlobstore(tu.TestCipher(), bs); err != nil {
t.Errorf("Failed to restore state: %v", err)
}
v, err := cbv2.Query("foobar")
if err != nil {
t.Errorf("Unexpected Query() err: %v", err)
return
}
if v != 123 {
t.Errorf("Unexpected Query() result. v: %d", v)
return
}
}
func TestSS_AutoAvoidCorruptedSnapshot(t *testing.T) {
loc := datastore.NewINodeDBSSLocator(authtu.TestDSConfig(testRootKey()))
if _, err := loc.DeleteAll(); err != nil {
t.Errorf("Failed to loc.DeleteAll: %v", err)
}
bs := tu.TestFileBlobStore()
sio := blobstoredbstatesnapshotio.New(bs, tu.TestCipher(), loc)
txlogio := inodedb.NewSimpleDBTransactionLogIO()
{
db, err := inodedb.NewEmptyDB(sio, txlogio)
if err != nil {
t.Errorf("Failed to NewEmptyDB: %v", err)
return
}
// create 1st snapshot
if err := db.Sync(); err != nil {
t.Errorf("Failed to Sync DB: %v", err)
return
}
// apply some mod to inodedb
nlock, err := db.LockNode(inodedb.AllocateNewNodeID)
if err != nil {
t.Errorf("Failed to LockNode: %v", err)
return
}
tx := inodedb.DBTransaction{Ops: []inodedb.DBOperation{
&inodedb.CreateNodeOp{NodeLock: nlock, OrigPath: "/hoge.txt", Type: inodedb.FileNodeT},
&inodedb.HardLinkOp{NodeLock: inodedb.NodeLock{1, inodedb.NoTicket}, Name: "hoge.txt", TargetID: nlock.ID},
}}
if _, err := db.ApplyTransaction(tx); err != nil {
t.Errorf("Failed to apply tx: %v", err)
return
}
if err := db.UnlockNode(nlock); err != nil {
t.Errorf("Failed to UnlockNode: %v", err)
return
}
// create 2nd snapshot
if err := db.Sync(); err != nil {
t.Errorf("Failed to Sync DB (2): %v", err)
return
}
}
if _, err := inodedb.NewDB(sio, txlogio); err != nil {
t.Errorf("Failed to NewDB (uncorrupted): %v", err)
return
}
// destroy latest snapshot (corrupt data)
ssbp, err := loc.Locate(0)
if err != nil {
t.Errorf("Failed to locate latest ssbp: %v", err)
return
}
{
wc, err := bs.OpenWriter(ssbp)
if err != nil {
t.Errorf("Failed to OpenWriter: %v", err)
return
}
if _, err := wc.Write([]byte("hoge")); err != nil {
t.Errorf("Failed to Write: %v", err)
}
wc.Close()
}
{
_, err = inodedb.NewDB(sio, txlogio)
if err != nil {
t.Errorf("Failed to NewDB (corrupted): %v", err)
return
}
}
// destroy latest snapshot (remove ss blob)
if err := bs.RemoveBlob(ssbp); err != nil {
t.Errorf("Failed to RemoveBlob: %v", err)
}
{
_, err = inodedb.NewDB(sio, txlogio)
if err != nil {
t.Errorf("Failed to NewDB (ss blob removed): %v", err)
return
}
}
}