test_file2k.py 文件源码

def testWritelinesUserList(self):
        # verify writelines with instance sequence
        l = UserList(['1', '2'])
        self.f.writelines(l)
        self.f.close()
        self.f = open(TESTFN, 'rb')
        buf = self.f.read()
        self.assertEqual(buf, '12')