def test_get_current_datetime():
dts = ffi.new('char [2048]')
assert len(ffi.string(dts)) == 0
vic_lib.get_current_datetime(dts)
assert len(ffi.string(dts)) == 14
now = datetime.datetime.now()
now_string = now.strftime('%Y%m%d')
assert now_string == ffi.string(dts)[:8].decode()
def test_get_logname():
path = ffi.new('char [2048]', b'foobar/')
idnum = 3
filename = ffi.new('char [2048]')
print([type(o) for o in (path, idnum, filename)])
assert vic_lib.get_logname(path, idnum, filename) is None
print(ffi.string(filename))
assert len(ffi.string(filename)) > 0