public void testBlobSerialization() throws Exception{
TestBlobStore blobStore = new TestBlobStore();
DocumentMK mk = new DocumentMK.Builder().setBlobStore(blobStore).open();
BlobSerializer blobSerializer = mk.getNodeStore().getBlobSerializer();
Blob blob = new BlobStoreBlob(blobStore, "foo");
assertEquals("foo", blobSerializer.serialize(blob));
assertEquals(0, blobStore.writeCount);
blob = new ArrayBasedBlob("foo".getBytes());
blobSerializer.serialize(blob);