test_mountinfo.py 文件源码

def test_sample_free_space(self):
        """Test collecting information about free space."""
        counter = mock_counter(1)

        def statvfs(path, multiplier=lambda: next(counter)):
            return os.statvfs_result(
                (4096, 0, mb(1000), mb(multiplier() * 100), 0, 0, 0, 0, 0, 0))

        plugin = self.get_mount_info(
            statvfs=statvfs, create_time=self.reactor.time)
        step_size = self.monitor.step_size
        self.monitor.add(plugin)

        self.reactor.advance(step_size)

        message = plugin.create_free_space_message()
        self.assertTrue(message)
        self.assertEqual(message.get("type"), "free-space")
        free_space = message.get("free-space", ())
        self.assertEqual(len(free_space), 1)
        self.assertEqual(free_space[0], (step_size, "/", 409600))