test_uuid.py 文件源码

def test_find_mac(self):
        data = '''\

fake hwaddr
cscotun0  Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
eth0      Link encap:Ethernet  HWaddr 12:34:56:78:90:ab
'''
        def mock_popen(cmd):
            return io.StringIO(data)

        if shutil.which('ifconfig') is None:
            path = os.pathsep.join(('/sbin', '/usr/sbin'))
            if shutil.which('ifconfig', path=path) is None:
                self.skipTest('requires ifconfig')

        with support.swap_attr(os, 'popen', mock_popen):
            mac = uuid._find_mac(
                command='ifconfig',
                args='',
                hw_identifiers=['hwaddr'],
                get_index=lambda x: x + 1,
            )
            self.assertEqual(mac, 0x1234567890ab)