#!/usr/bin/env python
# Copyright 2013 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import os
import sys
import unittest
from six import StringIO
ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, ROOT_DIR)
from procfs import ProcMaps
class ProcMapsTest(unittest.TestCase):
_TEST_PROCMAPS = '\n'.join([
'00000000-00001000 r--p 00000000 fc:00 0',
'0080b000-0080c000 r-xp 0020b000 fc:00 2231329'
' /usr/bin/some',
'0080c000-0080f000 ---p 0020c000 fc:00 2231329'
' /usr/bin/some',
'0100a000-0100c000 r-xp 0120a000 fc:00 22381'
' /usr/bin/chrome',
'0100c000-0100f000 ---p 0120c000 fc:00 22381'
' /usr/bin/chrome',
'0237d000-02a9b000 rw-p 00000000 00:00 0'
' [heap]',
'7fb920e6d000-7fb920e85000 r-xp 00000000 fc:00 263482'
' /lib/x86_64-linux-gnu/libpthread-2.15.so',
'7fb920e85000-7fb921084000 ---p 00018000 fc:00 263482'
' /lib/x86_64-linux-gnu/libpthread-2.15.so',
'7fb9225f4000-7fb922654000 rw-s 00000000 00:04 19660808'
' /SYSV00000000 (deleted)',
'ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0'
' [vsyscall]',
])
_EXPECTED = [
(0x0, 0x1000, 'r', '-', '-', 'p', 0x0, 'fc', '00', 0, ''),
(0x80b000, 0x80c000, 'r', '-', 'x', 'p', 0x20b000,
'fc', '00', 2231329, '/usr/bin/some'),
(0x80c000, 0x80f000, '-', '-', '-', 'p', 0x20c000,
'fc', '00', 2231329, '/usr/bin/some'),
(0x100a000, 0x100c000, 'r', '-', 'x', 'p', 0x120a000,
'fc', '00', 22381, '/usr/bin/chrome'),
(0x100c000, 0x100f000, '-', '-', '-', 'p', 0x120c000,
'fc', '00', 22381, '/usr/bin/chrome'),
(0x237d000, 0x2a9b000, 'r', 'w', '-', 'p', 0x0,
'00', '00', 0, '[heap]'),
(0x7fb920e6d000, 0x7fb920e85000, 'r', '-', 'x', 'p', 0x0,
'fc', '00', 263482, '/lib/x86_64-linux-gnu/libpthread-2.15.so'),
(0x7fb920e85000, 0x7fb921084000, '-', '-', '-', 'p', 0x18000,
'fc', '00', 263482, '/lib/x86_64-linux-gnu/libpthread-2.15.so'),
(0x7fb9225f4000, 0x7fb922654000, 'r', 'w', '-', 's', 0x0,
'00', '04', 19660808, '/SYSV00000000 (deleted)'),
(0xffffffffff600000, 0xffffffffff601000, 'r', '-', 'x', 'p', 0x0,
'00', '00', 0, '[vsyscall]'),
]
@staticmethod
def _expected_as_dict(index):
return {
'begin': ProcMapsTest._EXPECTED[index][0],
'end': ProcMapsTest._EXPECTED[index][1],
'readable': ProcMapsTest._EXPECTED[index][2],
'writable': ProcMapsTest._EXPECTED[index][3],
'executable': ProcMapsTest._EXPECTED[index][4],
'private': ProcMapsTest._EXPECTED[index][5],
'offset': ProcMapsTest._EXPECTED[index][6],
'major': ProcMapsTest._EXPECTED[index][7],
'minor': ProcMapsTest._EXPECTED[index][8],
'inode': ProcMapsTest._EXPECTED[index][9],
'name': ProcMapsTest._EXPECTED[index][10],
}
def test_load(self):
maps = ProcMaps.load_file(StringIO(self._TEST_PROCMAPS))
for index, entry in enumerate(maps):
self.assertEqual(entry.as_dict(), self._expected_as_dict(index))
def test_constants(self):
maps = ProcMaps.load_file(StringIO(self._TEST_PROCMAPS))
selected = [0, 2, 4, 7]
for index, entry in enumerate(maps.iter(ProcMaps.constants)):
self.assertEqual(entry.as_dict(),
self._expected_as_dict(selected[index]))
def test_executable(self):
maps = ProcMaps.load_file(StringIO(self._TEST_PROCMAPS))
selected = [1, 3, 6, 9]
for index, entry in enumerate(maps.iter(ProcMaps.executable)):
self.assertEqual(entry.as_dict(),
self._expected_as_dict(selected[index]))
def test_executable_and_constants(self):
maps = ProcMaps.load_file(StringIO(self._TEST_PROCMAPS))
selected = [0, 1, 2, 3, 4, 6, 7, 9]
for index, entry in enumerate(maps.iter(ProcMaps.executable_and_constants)):
self.assertEqual(entry.as_dict(),
self._expected_as_dict(selected[index]))
if __name__ == '__main__':
logging.basicConfig(
level=logging.DEBUG if '-v' in sys.argv else logging.ERROR,
format='%(levelname)5s %(filename)15s(%(lineno)3d): %(message)s')
unittest.main()
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