1#!/usr/bin/env python
2#
3# Copyright 2011, Google Inc.
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31
32
33"""Tests for stream module."""
34
35
36import unittest
37
38import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
39
40from mod_pywebsocket import common
41from mod_pywebsocket import stream
42
43
44class StreamTest(unittest.TestCase):
45    """A unittest for stream module."""
46
47    def test_create_header(self):
48        # more, rsv1, ..., rsv4 are all true
49        header = stream.create_header(common.OPCODE_TEXT, 1, 1, 1, 1, 1, 1)
50        self.assertEqual('\xf1\x81', header)
51
52        # Maximum payload size
53        header = stream.create_header(
54            common.OPCODE_TEXT, (1 << 63) - 1, 0, 0, 0, 0, 0)
55        self.assertEqual('\x01\x7f\x7f\xff\xff\xff\xff\xff\xff\xff', header)
56
57        # Invalid opcode 0x10
58        self.assertRaises(ValueError,
59                          stream.create_header,
60                          0x10, 0, 0, 0, 0, 0, 0)
61
62        # Invalid value 0xf passed to more parameter
63        self.assertRaises(ValueError,
64                          stream.create_header,
65                          common.OPCODE_TEXT, 0, 0xf, 0, 0, 0, 0)
66
67        # Too long payload_length
68        self.assertRaises(ValueError,
69                          stream.create_header,
70                          common.OPCODE_TEXT, 1 << 63, 0, 0, 0, 0, 0)
71
72
73if __name__ == '__main__':
74    unittest.main()
75
76
77# vi:sts=4 sw=4 et
78