| #!/usr/bin/env python |
| # -*- coding: utf-8 -*- |
| |
| ''' |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ''' |
| |
| from ambari_agent import main |
| main.MEMORY_LEAK_DEBUG_FILEPATH = "/tmp/memory_leak_debug.out" |
| import os |
| import unittest |
| import tempfile |
| from mock.mock import patch, MagicMock, call |
| from ambari_agent.AmbariConfig import AmbariConfig |
| from ambari_commons import shell |
| from ambari_commons.shell import shellRunner |
| from sys import platform as _platform |
| from only_for_platform import not_for_platform, PLATFORM_WINDOWS |
| import subprocess, time |
| |
| @not_for_platform(PLATFORM_WINDOWS) |
| class TestShell(unittest.TestCase): |
| |
| |
| @patch("os.setuid") |
| def test_changeUid(self, os_setUIDMock): |
| shell.threadLocal.uid = 9999 |
| shell.changeUid() |
| self.assertTrue(os_setUIDMock.called) |
| |
| |
| @patch("pwd.getpwnam") |
| def test_shellRunner_run(self, getpwnamMock): |
| sh = shellRunner() |
| result = sh.run(['echo']) |
| self.assertEquals(result['exitCode'], 0) |
| self.assertEquals(result['error'], '') |
| |
| getpwnamMock.return_value = [os.getuid(), os.getuid(), os.getuid()] |
| result = sh.run(['echo'], 'non_exist_user_name') |
| self.assertEquals(result['exitCode'], 0) |
| self.assertEquals(result['error'], '') |
| |
| def test_kill_process_with_children(self): |
| if _platform == "linux" or _platform == "linux2": # Test is Linux-specific |
| sleep_cmd = "sleep 314" |
| test_cmd = """ (({0}) & ({0} & {0})) """.format(sleep_cmd) |
| # Starting process tree (multiple process groups) |
| test_process = subprocess.Popen(test_cmd, stderr=subprocess.PIPE, stdout=subprocess.PIPE, shell=True) |
| time.sleep(0.3) # Delay to allow subprocess to start |
| # Check if processes are running |
| ps_cmd = """ps auxww """ |
| ps_process = subprocess.Popen(ps_cmd, stderr=subprocess.PIPE, stdout=subprocess.PIPE, shell=True) |
| (out, err) = ps_process.communicate() |
| self.assertTrue(sleep_cmd in out) |
| # Kill test process |
| shell.kill_process_with_children(test_process.pid) |
| test_process.communicate() |
| # Now test process should not be running |
| ps_process = subprocess.Popen(ps_cmd, stderr=subprocess.PIPE, stdout=subprocess.PIPE, shell=True) |
| (out, err) = ps_process.communicate() |
| self.assertFalse(sleep_cmd in out) |
| else: |
| # Do not run under other systems |
| pass |