160 lines
6.5 KiB
Python
160 lines
6.5 KiB
Python
# encoding=utf8
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# (c) Copyright 2015 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import threading
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from unittest import mock
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from oslo_concurrency import processutils as putils
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from oslo_context import context as context_utils
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from os_brick import executor as brick_executor
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from os_brick.privileged import rootwrap
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from os_brick.tests import base
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class TestExecutor(base.TestCase):
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def test_default_execute(self):
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executor = brick_executor.Executor(root_helper=None)
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self.assertEqual(rootwrap.execute, executor._Executor__execute)
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def test_none_execute(self):
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executor = brick_executor.Executor(root_helper=None, execute=None)
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self.assertEqual(rootwrap.execute, executor._Executor__execute)
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def test_fake_execute(self):
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mock_execute = mock.Mock()
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executor = brick_executor.Executor(root_helper=None,
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execute=mock_execute)
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self.assertEqual(mock_execute, executor._Executor__execute)
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@mock.patch('sys.stdin', encoding='UTF-8')
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@mock.patch('os_brick.executor.priv_rootwrap.execute')
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def test_execute_non_safe_str_exception(self, execute_mock, stdin_mock):
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execute_mock.side_effect = putils.ProcessExecutionError(
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stdout='España', stderr='Zürich')
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executor = brick_executor.Executor(root_helper=None)
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exc = self.assertRaises(putils.ProcessExecutionError,
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executor._execute)
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self.assertEqual('Espa\xf1a', exc.stdout)
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self.assertEqual('Z\xfcrich', exc.stderr)
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@mock.patch('sys.stdin', encoding='UTF-8')
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@mock.patch('os_brick.executor.priv_rootwrap.execute')
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def test_execute_non_safe_str(self, execute_mock, stdin_mock):
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execute_mock.return_value = ('España', 'Zürich')
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executor = brick_executor.Executor(root_helper=None)
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stdout, stderr = executor._execute()
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self.assertEqual('Espa\xf1a', stdout)
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self.assertEqual('Z\xfcrich', stderr)
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@mock.patch('sys.stdin', encoding='UTF-8')
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@mock.patch('os_brick.executor.priv_rootwrap.execute')
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def test_execute_non_safe_bytes_exception(self, execute_mock, stdin_mock):
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execute_mock.side_effect = putils.ProcessExecutionError(
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stdout=bytes('España', 'utf-8'),
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stderr=bytes('Zürich', 'utf-8'))
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executor = brick_executor.Executor(root_helper=None)
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exc = self.assertRaises(putils.ProcessExecutionError,
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executor._execute)
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self.assertEqual('Espa\xf1a', exc.stdout)
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self.assertEqual('Z\xfcrich', exc.stderr)
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@mock.patch('sys.stdin', encoding='UTF-8')
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@mock.patch('os_brick.executor.priv_rootwrap.execute')
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def test_execute_non_safe_bytes(self, execute_mock, stdin_mock):
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execute_mock.return_value = (bytes('España', 'utf-8'),
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bytes('Zürich', 'utf-8'))
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executor = brick_executor.Executor(root_helper=None)
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stdout, stderr = executor._execute()
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self.assertEqual('Espa\xf1a', stdout)
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self.assertEqual('Z\xfcrich', stderr)
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class TestThread(base.TestCase):
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def _store_context(self, result):
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"""Stores current thread's context in result list."""
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result.append(context_utils.get_current())
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def _run_threads(self, threads):
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for thread in threads:
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thread.start()
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for thread in threads:
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thread.join()
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def _do_test(self, thread_class, expected, result=None):
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if result is None:
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result = []
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threads = [thread_class(target=self._store_context, args=[result])
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for i in range(3)]
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self._run_threads(threads)
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self.assertEqual([expected] * len(threads), result)
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def test_normal_thread(self):
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"""Test normal threads don't inherit parent's context."""
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context = context_utils.RequestContext()
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context.update_store()
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self._do_test(threading.Thread, None)
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def test_no_context(self, result=None):
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"""Test when parent has no context."""
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context_utils._request_store.context = None
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self._do_test(brick_executor.Thread, None, result)
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def test_with_context(self, result=None):
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"""Test that our class actually inherits the context."""
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context = context_utils.RequestContext()
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context.update_store()
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self._do_test(brick_executor.Thread, context, result)
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def _run_test(self, test_method, test_args, result):
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"""Run one of the normal tests and store the result.
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Meant to be run in a different thread, thus the need to store the
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result, because by the time the join call completes the test's stack
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is no longer available and the exception will have been lost.
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"""
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try:
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test_method(test_args)
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result.append(True)
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except Exception:
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result.append(False)
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raise
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def test_no_cross_mix(self):
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"""Test there's no shared global context between threads."""
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result = []
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contexts = [[], [], []]
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threads = [threading.Thread(target=self._run_test,
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args=[self.test_with_context,
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contexts[0],
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result]),
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threading.Thread(target=self._run_test,
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args=[self.test_no_context,
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contexts[1],
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result]),
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threading.Thread(target=self._run_test,
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args=[self.test_with_context,
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contexts[2],
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result])]
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self._run_threads(threads)
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# Check that all tests run without raising an exception
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self.assertEqual([True, True, True], result)
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# Check that the context were not shared
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self.assertNotEqual(contexts[0], contexts[2])
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