def test_old_db_conversion(self):
# prior 2.1, database only contained lengths (int as string) entries
# check conversion is happening
with NamedTemporaryFile(suffix='.npy', delete=False) as f:
db = TrajectoryInfoCache(None)
fn = f.name
np.save(fn, [1, 2, 3])
f.close() # windows sucks
reader = api.source(fn)
hash = db._get_file_hash(fn)
db._database = {hash: str(3)}
info = db[fn, reader]
assert info.length == 3
assert info.ndim == 1
assert info.offsets == []
def test_old_db_conversion(self):
# prior 2.1, database only contained lengths (int as string) entries
# check conversion is happening
with NamedTemporaryFile(suffix='.npy', delete=False) as f:
db = TrajectoryInfoCache(None)
fn = f.name
np.save(fn, [1, 2, 3])
f.close() # windows sucks
reader = api.source(fn)
hash = db._get_file_hash(fn)
from pyemma.coordinates.data.util.traj_info_backends import DictDB
db._database = DictDB()
db._database.db_version = 0
info = db[fn, reader]
assert info.length == 3
assert info.ndim == 1
assert info.offsets == []