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))
