test_system.py 文件源码

def test_virtual_memory(self):
        mem = psutil.virtual_memory()
        assert mem.total > 0, mem
        assert mem.available > 0, mem
        assert 0 <= mem.percent <= 100, mem
        assert mem.used > 0, mem
        assert mem.free >= 0, mem
        for name in mem._fields:
            value = getattr(mem, name)
            if name != 'percent':
                self.assertIsInstance(value, (int, long))
            if name != 'total':
                if not value >= 0:
                    self.fail("%r < 0 (%s)" % (name, value))
                if value > mem.total:
                    self.fail("%r > total (total=%s, %s=%s)"
                              % (name, mem.total, name, value))