test_system.py 文件源码

def test_disk_io_counters(self):
        def check_ntuple(nt):
            self.assertEqual(nt[0], nt.read_count)
            self.assertEqual(nt[1], nt.write_count)
            self.assertEqual(nt[2], nt.read_bytes)
            self.assertEqual(nt[3], nt.write_bytes)
            if not (OPENBSD or NETBSD):
                self.assertEqual(nt[4], nt.read_time)
                self.assertEqual(nt[5], nt.write_time)
                if LINUX:
                    self.assertEqual(nt[6], nt.read_merged_count)
                    self.assertEqual(nt[7], nt.write_merged_count)
                    self.assertEqual(nt[8], nt.busy_time)
                elif FREEBSD:
                    self.assertEqual(nt[6], nt.busy_time)
            for name in nt._fields:
                assert getattr(nt, name) >= 0, nt

        ret = psutil.disk_io_counters(perdisk=False)
        check_ntuple(ret)
        ret = psutil.disk_io_counters(perdisk=True)
        # make sure there are no duplicates
        self.assertEqual(len(ret), len(set(ret)))
        for key in ret:
            assert key, key
            check_ntuple(ret[key])
            if LINUX and key[-1].isdigit():
                # if 'sda1' is listed 'sda' shouldn't, see:
                # https://github.com/giampaolo/psutil/issues/338
                while key[-1].isdigit():
                    key = key[:-1]
                self.assertNotIn(key, ret.keys())

    # can't find users on APPVEYOR or TRAVIS