mmcv/tests/test_runner/test_runner.py

33 lines
861 B
Python
Raw Normal View History

# Copyright (c) Open-MMLab. All rights reserved.
import logging
import os.path as osp
import tempfile
import warnings
def test_save_checkpoint():
try:
import torch
from torch import nn
except ImportError:
warnings.warn('Skipping test_save_checkpoint in the absense of torch')
return
import mmcv.runner
model = nn.Linear(1, 1)
runner = mmcv.runner.Runner(
model=model, batch_processor=lambda x: x, logger=logging.getLogger())
with tempfile.TemporaryDirectory() as root:
runner.save_checkpoint(root)
latest_path = osp.join(root, 'latest.pth')
epoch1_path = osp.join(root, 'epoch_1.pth')
assert osp.exists(latest_path)
assert osp.exists(epoch1_path)
assert osp.realpath(latest_path) == osp.realpath(epoch1_path)
torch.load(latest_path)