176 lines
6.5 KiB
Python
176 lines
6.5 KiB
Python
# Copyright 2014 SUSE Linux GmbH.
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# All Rights Reserved.
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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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#
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from mock import Mock
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from mock import patch
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from testtools import ExpectedException
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from trove.common import exception
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from trove.common import utils
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from trove.tests.unittests import trove_testtools
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from trove.tests.util import utils as test_utils
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class TestUtils(trove_testtools.TestCase):
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def setUp(self):
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super(TestUtils, self).setUp()
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self.orig_utils_execute = utils.execute
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self.orig_utils_log_error = utils.LOG.error
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def tearDown(self):
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super(TestUtils, self).tearDown()
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utils.execute = self.orig_utils_execute
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utils.LOG.error = self.orig_utils_log_error
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def test_throws_process_execution_error(self):
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utils.execute = Mock(
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side_effect=exception.ProcessExecutionError(
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description='test-desc', exit_code=42, stderr='err',
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stdout='out', cmd='test'))
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with ExpectedException(
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exception.ProcessExecutionError,
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"test-desc\nCommand: test\nExit code: 42\n"
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"Stdout: 'out'\nStderr: 'err'"):
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utils.execute_with_timeout('/usr/bin/foo')
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def test_log_error_when_log_output_on_error_is_true(self):
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utils.execute = Mock(
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side_effect=exception.ProcessExecutionError(
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description='test-desc', exit_code=42, stderr='err',
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stdout='out', cmd='test'))
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utils.LOG.error = Mock()
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with ExpectedException(
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exception.ProcessExecutionError,
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"test-desc\nCommand: test\nExit code: 42\n"
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"Stdout: 'out'\nStderr: 'err'"):
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utils.execute_with_timeout(
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'/usr/bin/foo', log_output_on_error=True)
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utils.LOG.error.assert_called_with(
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u"Command '%(cmd)s' failed. %(description)s Exit code: "
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u"%(exit_code)s\nstderr: %(stderr)s\nstdout: %(stdout)s",
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{'description': 'test-desc', 'stderr': 'err', 'exit_code': 42,
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'stdout': 'out', 'cmd': 'test'})
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def test_unpack_singleton(self):
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self.assertEqual([1, 2, 3], utils.unpack_singleton([1, 2, 3]))
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self.assertEqual(0, utils.unpack_singleton([0]))
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self.assertEqual('test', utils.unpack_singleton('test'))
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self.assertEqual('test', utils.unpack_singleton(['test']))
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self.assertEqual([], utils.unpack_singleton([]))
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self.assertIsNone(utils.unpack_singleton(None))
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self.assertEqual([None, None], utils.unpack_singleton([None, None]))
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self.assertEqual('test', utils.unpack_singleton([['test']]))
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self.assertEqual([1, 2, 3], utils.unpack_singleton([[1, 2, 3]]))
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self.assertEqual(1, utils.unpack_singleton([[[1]]]))
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self.assertEqual([[1], [2]], utils.unpack_singleton([[1], [2]]))
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self.assertEqual(['a', 'b'], utils.unpack_singleton(['a', 'b']))
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def test_pagination_limit(self):
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self.assertEqual(5, utils.pagination_limit(5, 9))
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self.assertEqual(5, utils.pagination_limit(9, 5))
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def test_format_output(self):
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data = [
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['', ''],
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['Single line', 'Single line'],
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['Long line no breaks ' * 10, 'Long line no breaks ' * 10],
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['Long line. Has breaks ' * 5,
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'Long line.\nHas breaks ' * 2 + 'Long line. Has breaks ' * 3],
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['Long line with semi: ' * 4,
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'Long line with semi:\n ' +
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'Long line with semi: ' * 3],
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['Long line with brack (' * 4,
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'Long line with brack\n(' +
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'Long line with brack (' * 3],
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]
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for index, datum in enumerate(data):
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self.assertEqual(datum[1], utils.format_output(datum[0]),
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"Error formatting line %d of data" % index)
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def test_to_gb(self):
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result = utils.to_gb(123456789)
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self.assertEqual(0.11, result)
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def test_to_gb_small(self):
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result = utils.to_gb(2)
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self.assertEqual(0.01, result)
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def test_to_gb_zero(self):
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result = utils.to_gb(0)
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self.assertEqual(0.0, result)
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def test_to_mb(self):
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result = utils.to_mb(123456789)
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self.assertEqual(117.74, result)
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def test_to_mb_small(self):
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result = utils.to_mb(2)
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self.assertEqual(0.01, result)
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def test_to_mb_zero(self):
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result = utils.to_mb(0)
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self.assertEqual(0.0, result)
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@patch('trove.common.utils.LOG')
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def test_retry_decorator(self, _):
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class TestEx1(Exception):
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pass
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class TestEx2(Exception):
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pass
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class TestEx3(Exception):
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pass
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class TestExecutor(object):
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def _test_foo(self, arg):
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return arg
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@test_utils.retry(TestEx1, retries=5, delay_fun=lambda n: 0.2)
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def test_foo_1(self, arg):
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return self._test_foo(arg)
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@test_utils.retry((TestEx1, TestEx2), delay_fun=lambda n: 0.2)
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def test_foo_2(self, arg):
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return self._test_foo(arg)
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def assert_retry(fun, side_effect, exp_call_num, exp_exception):
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with patch.object(te, '_test_foo', side_effect=side_effect) as f:
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mock_arg = Mock()
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if exp_exception:
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self.assertRaises(exp_exception, fun, mock_arg)
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else:
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fun(mock_arg)
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f.assert_called_with(mock_arg)
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self.assertEqual(exp_call_num, f.call_count)
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te = TestExecutor()
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assert_retry(te.test_foo_1, [TestEx1, None], 2, None)
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assert_retry(te.test_foo_1, TestEx3, 1, TestEx3)
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assert_retry(te.test_foo_1, TestEx1, 5, TestEx1)
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assert_retry(te.test_foo_1, [TestEx1, TestEx3], 2, TestEx3)
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assert_retry(te.test_foo_2, [TestEx1, TestEx2, None], 3, None)
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assert_retry(te.test_foo_2, TestEx3, 1, TestEx3)
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assert_retry(te.test_foo_2, TestEx2, 3, TestEx2)
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assert_retry(te.test_foo_2, [TestEx1, TestEx3, TestEx2], 2, TestEx3)
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