def test_needs_refresh_false(mock_stat):
mock_stat.return_value = 12345
v = Video("foo.mkv", "/not-a-real-path/bar", size=12345)
assert v._needs_refresh() is False
def test_needs_refresh_size_different(mock_stat):
mock_stat.return_value = stat_return()
v = Video("foo.mkv", "/not-a-real-path/bar", size=1)
assert v._needs_refresh() is True