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How to use _get_process_info method in autotest

Best Python code snippet using autotest_python

drone_utility_unittest.py

Source:drone_utility_unittest.py

1#!/usr/bin/python2"""Tests for drone_utility."""3import os, sys, unittest4from cStringIO import StringIO5import common6from autotest_lib.client.common_lib import global_config7from autotest_lib.client.common_lib.test_utils import mock8from autotest_lib.scheduler import drone_utility9class TestDroneUtility(unittest.TestCase):10    def setUp(self):11        self.drone_utility = drone_utility.DroneUtility()12        self._fake_command = '!faketest!'13        self._fake_proc_info = {'pid': 3, 'pgid': 4, 'ppid': 2,14                                'comm': self._fake_command, 'args': ''}15        self.god = mock.mock_god()16        self.god.stub_function(self.drone_utility, '_get_process_info')17    def tearDown(self):18        self.god.unstub_all()19        global_config.global_config.reset_config_values()20    @staticmethod21    def _set_check_dark_mark(value):22        global_config.global_config.override_config_value(23                'SCHEDULER', 'check_processes_for_dark_mark', repr(value))24    def test_refresh_processes_ignore_dark_mark(self):25        self._set_check_dark_mark(False)26        self.drone_utility._get_process_info.expect_call().and_return(27                [self._fake_proc_info])28        fake_open = lambda path, mode: self.fail('dark mark checked!')29        processes = self.drone_utility._refresh_processes(self._fake_command,30                                                          open=fake_open)31        our_pid = self._fake_proc_info['pid']32        for process in processes:33            if our_pid == process['pid']:34                break35        else:36            self.fail("No %s processes found" % self._fake_command)37        self.god.check_playback()38    def test_refresh_processes_check_dark_mark(self):39        self._set_check_dark_mark(True)40        num_procs = 241        proc_info_list = num_procs * [self._fake_proc_info]42        self.drone_utility._get_process_info.expect_call().and_return(43                proc_info_list)44        # Test processes that have the mark in their env.45        def _open_mark(path, mode):46            return StringIO('foo=\0%s=\0bar=\0' %47                           drone_utility.DARK_MARK_ENVIRONMENT_VAR)48        processes = self.drone_utility._refresh_processes(self._fake_command,49                                                          open=_open_mark)50        self.assertEqual(num_procs, len(processes))51        self.assertEqual(proc_info_list, processes)52        self.drone_utility._get_process_info.expect_call().and_return(53                proc_info_list)54        # Test processes that do not have the mark in their env55        def _open_nomark(path, mode):56            return StringIO('foo=\0bar=\0')  # No dark mark.57        processes = self.drone_utility._refresh_processes(self._fake_command,58                                                          open=_open_nomark)59        self.assertEqual([], processes)60        self.god.check_playback()61if __name__ == '__main__':...

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