3 # Copyright 2011, Google Inc.
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions are
10 # * Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # * Redistributions in binary form must reproduce the above
13 # copyright notice, this list of conditions and the following disclaimer
14 # in the documentation and/or other materials provided with the
16 # * Neither the name of Google Inc. nor the names of its
17 # contributors may be used to endorse or promote products derived from
18 # this software without specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 """Tests for memorizingfile module."""
39 import set_sys_path # Update sys.path to locate mod_pywebsocket module.
41 from mod_pywebsocket import memorizingfile
44 class UtilTest(unittest.TestCase):
45 """A unittest for memorizingfile module."""
47 def check(self, memorizing_file, num_read, expected_list):
48 for unused in range(num_read):
49 memorizing_file.readline()
50 actual_list = memorizing_file.get_memorized_lines()
51 self.assertEqual(len(expected_list), len(actual_list))
52 for expected, actual in zip(expected_list, actual_list):
53 self.assertEqual(expected, actual)
55 def check_with_size(self, memorizing_file, read_size, expected_list):
59 line = memorizing_file.readline(read_size)
60 line_length = len(line)
61 self.assertTrue(line_length <= read_size)
64 read_list.append(read_line)
67 if line[line_length - 1] == '\n':
68 read_list.append(read_line)
70 actual_list = memorizing_file.get_memorized_lines()
71 self.assertEqual(len(expected_list), len(actual_list))
72 self.assertEqual(len(expected_list), len(read_list))
73 for expected, actual, read in zip(expected_list, actual_list,
75 self.assertEqual(expected, actual)
76 self.assertEqual(expected, read)
78 def test_get_memorized_lines(self):
79 memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
80 'Hello\nWorld\nWelcome'))
81 self.check(memorizing_file, 3, ['Hello\n', 'World\n', 'Welcome'])
83 def test_get_memorized_lines_limit_memorized_lines(self):
84 memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
85 'Hello\nWorld\nWelcome'), 2)
86 self.check(memorizing_file, 3, ['Hello\n', 'World\n'])
88 def test_get_memorized_lines_empty_file(self):
89 memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
91 self.check(memorizing_file, 10, [])
93 def test_get_memorized_lines_with_size(self):
94 for size in range(1, 10):
95 memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
96 'Hello\nWorld\nWelcome'))
97 self.check_with_size(memorizing_file, size,
98 ['Hello\n', 'World\n', 'Welcome'])
100 if __name__ == '__main__':