def test_save_do_not_replace(tmpdir): from binlog.model import Model env = lmdb.open(str(tmpdir), max_dbs=1) with env.begin(write=True) as txn: db = env.open_db(b'test', txn=txn) m = Model(data=0) assert m.save(0, db, txn) with env.begin(write=False) as txn: db = env.open_db(b'test', txn=txn) with txn.cursor(db) as cursor: first = cursor.get(struct.pack("!Q", 0)) with env.begin(write=True) as txn: db = env.open_db(b'test', txn=txn) m = Model(data=1) assert not m.save(0, db, txn) with env.begin(write=False) as txn: db = env.open_db(b'test', txn=txn) with txn.cursor(db) as cursor: second = cursor.get(struct.pack("!Q", 0)) assert first == second
def test_save_do_not_replace(tmpdir): from binlog.model import Model env = lmdb.open(str(tmpdir), max_dbs=1) with env.begin(write=True) as txn: db = env.open_db(b'test', txn=txn) m = Model(data=0) assert m.save(0, db, txn) with env.begin(write=False) as txn: db = env.open_db(b'test', txn=txn) with txn.cursor(db) as cursor: first = cursor.get(struct.pack("!Q", 0)) with env.begin(write=True) as txn: db = env.open_db(b'test', txn=txn) m = Model(data=1) assert not m.save(0, db, txn) with env.begin(write=False) as txn: db = env.open_db(b'test', txn=txn) with txn.cursor(db) as cursor: second = cursor.get(struct.pack("!Q", 0)) assert first == second
def test_save_store_data(tmpdir): from binlog.model import Model env = lmdb.open(str(tmpdir), max_dbs=1) with env.begin(write=True) as txn: db = env.open_db(b'test', txn=txn) m = Model(data=0) assert m.save(0, db, txn) with env.begin(write=False) as txn: db = env.open_db(b'test', txn=txn) with txn.cursor(db) as cursor: assert cursor.get(struct.pack("!Q", 0))
def test_save_store_data(tmpdir): from binlog.model import Model env = lmdb.open(str(tmpdir), max_dbs=1) with env.begin(write=True) as txn: db = env.open_db(b'test', txn=txn) m = Model(data=0) assert m.save(0, db, txn) with env.begin(write=False) as txn: db = env.open_db(b'test', txn=txn) with txn.cursor(db) as cursor: assert cursor.get(struct.pack("!Q", 0))