| #!/usr/bin/env python |
| # |
| # Copyright 2011, Google Inc. |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| |
| """Tests for memorizingfile module.""" |
| |
| |
| import StringIO |
| import unittest |
| |
| import set_sys_path # Update sys.path to locate mod_pywebsocket module. |
| |
| from mod_pywebsocket import memorizingfile |
| |
| |
| class UtilTest(unittest.TestCase): |
| """A unittest for memorizingfile module.""" |
| |
| def check(self, memorizing_file, num_read, expected_list): |
| for unused in range(num_read): |
| memorizing_file.readline() |
| actual_list = memorizing_file.get_memorized_lines() |
| self.assertEqual(len(expected_list), len(actual_list)) |
| for expected, actual in zip(expected_list, actual_list): |
| self.assertEqual(expected, actual) |
| |
| def check_with_size(self, memorizing_file, read_size, expected_list): |
| read_list = [] |
| read_line = '' |
| while True: |
| line = memorizing_file.readline(read_size) |
| line_length = len(line) |
| self.assertTrue(line_length <= read_size) |
| if line_length == 0: |
| if read_line != '': |
| read_list.append(read_line) |
| break |
| read_line += line |
| if line[line_length - 1] == '\n': |
| read_list.append(read_line) |
| read_line = '' |
| actual_list = memorizing_file.get_memorized_lines() |
| self.assertEqual(len(expected_list), len(actual_list)) |
| self.assertEqual(len(expected_list), len(read_list)) |
| for expected, actual, read in zip(expected_list, actual_list, |
| read_list): |
| self.assertEqual(expected, actual) |
| self.assertEqual(expected, read) |
| |
| def test_get_memorized_lines(self): |
| memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO( |
| 'Hello\nWorld\nWelcome')) |
| self.check(memorizing_file, 3, ['Hello\n', 'World\n', 'Welcome']) |
| |
| def test_get_memorized_lines_limit_memorized_lines(self): |
| memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO( |
| 'Hello\nWorld\nWelcome'), 2) |
| self.check(memorizing_file, 3, ['Hello\n', 'World\n']) |
| |
| def test_get_memorized_lines_empty_file(self): |
| memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO( |
| '')) |
| self.check(memorizing_file, 10, []) |
| |
| def test_get_memorized_lines_with_size(self): |
| for size in range(1, 10): |
| memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO( |
| 'Hello\nWorld\nWelcome')) |
| self.check_with_size(memorizing_file, size, |
| ['Hello\n', 'World\n', 'Welcome']) |
| |
| if __name__ == '__main__': |
| unittest.main() |
| |
| |
| # vi:sts=4 sw=4 et |