Пример #1
0
func TestGlobalLocker_ActAsMutex(t *testing.T) {
	l1 := datastore.NewGlobalLocker(authtu.TestDSConfig(authtu.TestBucketName()), "otaru-unittest-1", "hogefuga")
	l2 := datastore.NewGlobalLocker(authtu.TestDSConfig(authtu.TestBucketName()), "otaru-unittest-2", "foobar")

	if err := l1.ForceUnlock(); err != nil {
		t.Errorf("ForceUnlock() failed: %v", err)
		return
	}

	// l1 takes lock. l2 lock should fail.
	if err := l1.Lock(); err != nil {
		t.Errorf("l1.Lock() failed: %v", err)
	}
	err := l2.Lock()
	if _, ok := err.(*datastore.ErrLockTaken); !ok {
		t.Errorf("l2.Lock() unexpected (no) err: %v", err)
	}

	if err := l1.Unlock(); err != nil {
		t.Errorf("l1.Unlock() failed: %v", err)
	}
}
Пример #2
0
func TestGlobalLocker_LockUnlock(t *testing.T) {
	l := datastore.NewGlobalLocker(authtu.TestDSConfig(authtu.TestBucketName()), "otaru-unittest", "unittest desuyo-")

	if err := l.ForceUnlock(); err != nil {
		t.Errorf("ForceUnlock() failed: %v", err)
		return
	}

	if err := l.Lock(); err != nil {
		t.Errorf("Lock() failed: %v", err)
	}

	if err := l.Unlock(); err != nil {
		t.Errorf("Unlock() failed: %v", err)
	}
}
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)
	}
}
Пример #4
0
func TestINodeDBSSLocator_PutLocate(t *testing.T) {
	loc := datastore.NewINodeDBSSLocator(authtu.TestDSConfig(authtu.TestBucketName()))

	if _, err := loc.DeleteAll(); err != nil {
		t.Errorf("DeleteAll failed unexpectedly: %v", err)
		return
	}

	bp, err := loc.Locate(0)
	if err != datastore.EEMPTY {
		t.Errorf("Locate() when no entry should fail, but succeeded.")
	}

	if err := loc.Put("META-snapshot123", 123); err != nil {
		t.Errorf("Put failed unexpectedly: %v", err)
		return
	}
	if err := loc.Put("META-snapshot231", 231); err != nil {
		t.Errorf("Put failed unexpectedly: %v", err)
		return
	}

	bp, err = loc.Locate(0)
	if err != nil {
		t.Errorf("Locate failed unexpectedly: %v", err)
		return
	}
	if bp != "META-snapshot231" {
		t.Errorf("Locate returned unexpected bp: %v", bp)
		return
	}

	bp, err = loc.Locate(1)
	if err != nil {
		t.Errorf("Locate failed unexpectedly: %v", err)
		return
	}
	if bp != "META-snapshot123" {
		t.Errorf("Locate returned unexpected bp: %v", bp)
		return
	}

	if err := loc.Put("META-snapshot345", 345); err != nil {
		t.Errorf("Put failed unexpectedly: %v", err)
		return
	}

	bp, err = loc.Locate(0)
	if err != nil {
		t.Errorf("Locate failed unexpectedly: %v", err)
		return
	}
	if bp != "META-snapshot345" {
		t.Errorf("Locate returned unexpected bp: %v", bp)
		return
	}

	bps, err := loc.DeleteAll()
	if err != nil {
		t.Errorf("DeleteAll failed unexpectedly: %v", err)
		return
	}
	sort.Strings(bps)
	if !reflect.DeepEqual([]string{
		"META-snapshot123",
		"META-snapshot231",
		"META-snapshot345",
	}, bps) {
		t.Errorf("DeleteAll returned unexpected blobpaths: %v", bps)
		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
		}
	}
}
Пример #6
0
func testDBTransactionIOWithRootKey(rootKeyStr string) *datastore.DBTransactionLogIO {
	return datastore.NewDBTransactionLogIO(authtu.TestDSConfig(rootKeyStr))
}