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# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import sys
import unittest
from telemetry.core import platform as platform_module
from telemetry import decorators
from telemetry.internal.platform import posix_platform_backend
class TestBackend(posix_platform_backend.PosixPlatformBackend):
# pylint: disable=abstract-method
def __init__(self):
super(TestBackend, self).__init__()
self._mock_ps_output = None
def SetMockPsOutput(self, output):
self._mock_ps_output = output
def GetPsOutput(self, columns, pid=None):
return self._mock_ps_output
class PosixPlatformBackendTest(unittest.TestCase):
def testGetChildPidsWithGrandChildren(self):
backend = TestBackend()
backend.SetMockPsOutput(['1 0 S', '2 1 R', '3 2 S', '4 1 R', '5 4 R'])
result = backend.GetChildPids(1)
self.assertEquals(set(result), set([2, 3, 4, 5]))
def testGetChildPidsWithNoSuchPid(self):
backend = TestBackend()
backend.SetMockPsOutput(['1 0 S', '2 1 R', '3 2 S', '4 1 R', '5 4 R'])
result = backend.GetChildPids(6)
self.assertEquals(set(result), set())
def testGetChildPidsWithZombieChildren(self):
backend = TestBackend()
backend.SetMockPsOutput(['1 0 S', '2 1 R', '3 2 S', '4 1 R', '5 4 Z'])
result = backend.GetChildPids(1)
self.assertEquals(set(result), set([2, 3, 4]))
def testGetChildPidsWithMissingState(self):
backend = TestBackend()
backend.SetMockPsOutput([' 1 0 S ', ' 2 1', '3 2 '])
result = backend.GetChildPids(1)
self.assertEquals(set(result), set([2, 3]))
def testSudoersFileParsing(self):
binary_path = '/usr/bin/pkill'
self.assertFalse(
posix_platform_backend._BinaryExistsInSudoersFiles(binary_path, ''))
self.assertFalse(
posix_platform_backend._BinaryExistsInSudoersFiles(
binary_path, ' (ALL) ALL'))
self.assertFalse(
posix_platform_backend._BinaryExistsInSudoersFiles(
binary_path, ' (root) NOPASSWD: /usr/bin/pkill_DUMMY'))
self.assertFalse(
posix_platform_backend._BinaryExistsInSudoersFiles(
binary_path, ' (root) NOPASSWD: pkill'))
self.assertTrue(
posix_platform_backend._BinaryExistsInSudoersFiles(
binary_path, '(root) NOPASSWD: /usr/bin/pkill'))
self.assertTrue(
posix_platform_backend._BinaryExistsInSudoersFiles(
binary_path, ' (root) NOPASSWD: /usr/bin/pkill'))
self.assertTrue(
posix_platform_backend._BinaryExistsInSudoersFiles(
binary_path, ' (root) NOPASSWD: /usr/bin/pkill arg1 arg2'))
@decorators.Enabled('linux', 'mac')
def testIsApplicationRunning(self):
platform = platform_module.GetHostPlatform()
self.assertFalse(platform.IsApplicationRunning('This_Is_A_Bad___App__Name'))
sys_exe = os.path.basename(sys.executable)
self.assertTrue(platform.IsApplicationRunning(sys_exe))
self.assertFalse(
platform.IsApplicationRunning('%s append_bad_after_space' % sys_exe))
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