1#!/usr/bin/env python
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31
32
33"""Tests for memorizingfile module."""
34
35
36import StringIO
37import unittest
38
39import config  # This must be imported before mod_pywebsocket.
40from mod_pywebsocket import memorizingfile
41
42
43class UtilTest(unittest.TestCase):
44    def check(self, memorizing_file, num_read, expected_list):
45        for unused in range(num_read):
46            memorizing_file.readline()
47        actual_list = memorizing_file.get_memorized_lines()
48        self.assertEqual(len(expected_list), len(actual_list))
49        for expected, actual in zip(expected_list, actual_list):
50            self.assertEqual(expected, actual)
51
52    def test_get_memorized_lines(self):
53        memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
54                'Hello\nWorld\nWelcome'))
55        self.check(memorizing_file, 3, ['Hello\n', 'World\n', 'Welcome'])
56
57    def test_get_memorized_lines_limit_memorized_lines(self):
58        memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
59                'Hello\nWorld\nWelcome'), 2)
60        self.check(memorizing_file, 3, ['Hello\n', 'World\n'])
61
62    def test_get_memorized_lines_empty_file(self):
63        memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
64                ''))
65        self.check(memorizing_file, 10, [])
66
67
68if __name__ == '__main__':
69    unittest.main()
70
71
72# vi:sts=4 sw=4 et
73