OpenStack Database As A Service (Trove)
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trove/trove/tests/unittests/common/test_utils.py

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3.4 KiB

# Copyright 2014 SUSE Linux GmbH.
# All Rights Reserved.
#
# Licensed 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 mock import Mock
from testtools import ExpectedException
from trove.common import exception
from trove.common import utils
from trove.tests.unittests import trove_testtools
class TestTroveExecuteWithTimeout(trove_testtools.TestCase):
def setUp(self):
super(TestTroveExecuteWithTimeout, self).setUp()
self.orig_utils_execute = utils.execute
self.orig_utils_log_error = utils.LOG.error
def tearDown(self):
super(TestTroveExecuteWithTimeout, self).tearDown()
utils.execute = self.orig_utils_execute
utils.LOG.error = self.orig_utils_log_error
def test_throws_process_execution_error(self):
utils.execute = Mock(
side_effect=exception.ProcessExecutionError(
description='test-desc', exit_code=42, stderr='err',
stdout='out', cmd='test'))
with ExpectedException(
exception.ProcessExecutionError,
"test-desc\nCommand: test\nExit code: 42\n"
"Stdout: 'out'\nStderr: 'err'"):
utils.execute_with_timeout('/usr/bin/foo')
def test_log_error_when_log_output_on_error_is_true(self):
utils.execute = Mock(
side_effect=exception.ProcessExecutionError(
description='test-desc', exit_code=42, stderr='err',
stdout='out', cmd='test'))
utils.LOG.error = Mock()
with ExpectedException(
exception.ProcessExecutionError,
"test-desc\nCommand: test\nExit code: 42\n"
"Stdout: 'out'\nStderr: 'err'"):
utils.execute_with_timeout(
'/usr/bin/foo', log_output_on_error=True)
utils.LOG.error.assert_called_with(
u"Command 'test' failed. test-desc Exit code: 42\n"
"stderr: err\nstdout: out")
def test_unpack_singleton(self):
self.assertEqual([1, 2, 3], utils.unpack_singleton([1, 2, 3]))
self.assertEqual(0, utils.unpack_singleton([0]))
self.assertEqual('test', utils.unpack_singleton('test'))
self.assertEqual('test', utils.unpack_singleton(['test']))
self.assertEqual([], utils.unpack_singleton([]))
self.assertIsNone(utils.unpack_singleton(None))
self.assertEqual([None, None], utils.unpack_singleton([None, None]))
self.assertEqual('test', utils.unpack_singleton([['test']]))
self.assertEqual([1, 2, 3], utils.unpack_singleton([[1, 2, 3]]))
self.assertEqual(1, utils.unpack_singleton([[[1]]]))
self.assertEqual([[1], [2]], utils.unpack_singleton([[1], [2]]))
self.assertEqual(['a', 'b'], utils.unpack_singleton(['a', 'b']))
def test_pagination_limit(self):
self.assertEqual(5, utils.pagination_limit(5, 9))
self.assertEqual(5, utils.pagination_limit(9, 5))