484 lines
16 KiB
Python
484 lines
16 KiB
Python
# Copyright 2013: Mirantis Inc.
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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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"""Test for Rally utils."""
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from __future__ import print_function
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import string
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import sys
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import time
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import mock
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import testtools
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from rally.common.i18n import _
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from rally.common import utils
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from rally import exceptions
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from tests.unit import test
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class ImmutableMixinTestCase(test.TestCase):
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def test_without_base_values(self):
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im = utils.ImmutableMixin()
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self.assertRaises(exceptions.ImmutableException,
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im.__setattr__, "test", "test")
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def test_with_base_values(self):
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class A(utils.ImmutableMixin):
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def __init__(self, test):
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self.test = test
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super(A, self).__init__()
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a = A("test")
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self.assertRaises(exceptions.ImmutableException,
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a.__setattr__, "abc", "test")
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self.assertEqual(a.test, "test")
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class EnumMixinTestCase(test.TestCase):
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def test_enum_mix_in(self):
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class Foo(utils.EnumMixin):
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a = 10
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b = 20
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CC = "2000"
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self.assertEqual(set(list(Foo())), set([10, 20, "2000"]))
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class StdIOCaptureTestCase(test.TestCase):
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def test_stdout_capture(self):
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stdout = sys.stdout
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messages = ["abcdef", "defgaga"]
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with utils.StdOutCapture() as out:
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for msg in messages:
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print(msg)
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self.assertEqual(out.getvalue().rstrip("\n").split("\n"), messages)
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self.assertEqual(stdout, sys.stdout)
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def test_stderr_capture(self):
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stderr = sys.stderr
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messages = ["abcdef", "defgaga"]
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with utils.StdErrCapture() as err:
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for msg in messages:
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print(msg, file=sys.stderr)
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self.assertEqual(err.getvalue().rstrip("\n").split("\n"), messages)
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self.assertEqual(stderr, sys.stderr)
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class TimerTestCase(test.TestCase):
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def test_timer_duration(self):
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start_time = time.time()
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end_time = time.time()
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with mock.patch("rally.common.utils.time") as mock_time:
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mock_time.time = mock.MagicMock(return_value=start_time)
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with utils.Timer() as timer:
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mock_time.time = mock.MagicMock(return_value=end_time)
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self.assertIsNone(timer.error)
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self.assertEqual(end_time - start_time, timer.duration())
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def test_timer_exception(self):
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try:
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with utils.Timer() as timer:
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raise Exception()
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except Exception:
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pass
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self.assertEqual(3, len(timer.error))
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self.assertEqual(timer.error[0], type(Exception()))
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class IterSubclassesTestCase(test.TestCase):
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def test_itersubclasses(self):
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class A(object):
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pass
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class B(A):
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pass
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class C(A):
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pass
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class D(C):
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pass
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self.assertEqual([B, C, D], list(utils.itersubclasses(A)))
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class ImportModulesTestCase(test.TestCase):
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def test_try_append_module_into_sys_modules(self):
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modules = {}
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utils.try_append_module("rally.common.version", modules)
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self.assertIn("rally.common.version", modules)
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class LogTestCase(test.TestCase):
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def test_log_task_wrapper(self):
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mock_log = mock.MagicMock()
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msg = "test %(a)s %(b)s"
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class TaskLog(object):
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def __init__(self):
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self.task = {"uuid": "some_uuid"}
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@utils.log_task_wrapper(mock_log, msg, a=10, b=20)
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def some_method(self, x, y):
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return x + y
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t = TaskLog()
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self.assertEqual(t.some_method.__name__, "some_method")
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self.assertEqual(t.some_method(2, 2), 4)
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params = {"msg": msg % {"a": 10, "b": 20}, "uuid": t.task["uuid"]}
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expected = [
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mock.call(_("Task %(uuid)s | Starting: %(msg)s") % params),
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mock.call(_("Task %(uuid)s | Completed: %(msg)s") % params)
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]
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self.assertEqual(mock_log.mock_calls, expected)
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def test_log_deprecated(self):
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mock_log = mock.MagicMock()
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@utils.log_deprecated("Deprecated test", "0.0.1", mock_log)
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def some_method(x, y):
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return x + y
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self.assertEqual(some_method(2, 2), 4)
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mock_log.assert_called_once_with("Deprecated test "
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"(deprecated in Rally v0.0.1)")
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def test_log_deprecated_args(self):
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mock_log = mock.MagicMock()
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@utils.log_deprecated_args("Deprecated test", "0.0.1", ("z",),
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mock_log, once=True)
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def some_method(x, y, z):
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return x + y + z
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self.assertEqual(some_method(2, 2, z=3), 7)
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mock_log.assert_called_once_with(
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"Deprecated test (args `z' deprecated in Rally v0.0.1)")
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mock_log.reset_mock()
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self.assertEqual(some_method(2, 2, z=3), 7)
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self.assertFalse(mock_log.called)
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@utils.log_deprecated_args("Deprecated test", "0.0.1", ("z",),
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mock_log, once=False)
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def some_method(x, y, z):
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return x + y + z
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self.assertEqual(some_method(2, 2, z=3), 7)
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mock_log.assert_called_once_with(
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"Deprecated test (args `z' deprecated in Rally v0.0.1)")
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mock_log.reset_mock()
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self.assertEqual(some_method(2, 2, z=3), 7)
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mock_log.assert_called_once_with(
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"Deprecated test (args `z' deprecated in Rally v0.0.1)")
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class LoadExtraModulesTestCase(test.TestCase):
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@mock.patch("rally.common.utils.imp.load_module")
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@mock.patch("rally.common.utils.imp.find_module",
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return_value=(mock.MagicMock(), None, None))
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@mock.patch("rally.common.utils.os.walk", return_value=[
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("/somewhere", ("/subdir", ), ("plugin1.py", )),
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("/somewhere/subdir", ("/subsubdir", ), ("plugin2.py",
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"withoutextension")),
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("/somewhere/subdir/subsubdir", [], ("plugin3.py", ))])
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@mock.patch("rally.common.utils.os.path.exists", return_value=True)
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def test_load_plugins_successfull(self, mock_exists,
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mock_oswalk, mock_find_module,
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mock_load_module):
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test_path = "/somewhere"
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utils.load_plugins(test_path)
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expected = [
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mock.call("plugin1", ["/somewhere"]),
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mock.call("plugin2", ["/somewhere/subdir"]),
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mock.call("plugin3", ["/somewhere/subdir/subsubdir"])
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]
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self.assertEqual(mock_find_module.mock_calls, expected)
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self.assertEqual(len(mock_load_module.mock_calls), 3)
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@mock.patch("rally.common.utils.os")
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def test_load_plugins_from_nonexisting_and_empty_dir(self, mock_os):
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# test no fails for nonexisting directory
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mock_os.path.exists.return_value = False
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utils.load_plugins("/somewhere")
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# test no fails for empty directory
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mock_os.path.exists.return_value = True
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mock_os.walk.return_value = []
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utils.load_plugins("/somewhere")
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@mock.patch("rally.common.utils.imp.load_module", side_effect=Exception())
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@mock.patch("rally.common.utils.imp.find_module")
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@mock.patch("rally.common.utils.os.path", return_value=True)
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@mock.patch("rally.common.utils.os.walk",
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return_value=[("/etc/.rally/plugins", [], ("load_it.py", ))])
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def test_load_plugins_fails(self, mock_oswalk, mock_ospath,
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mock_load_module, mock_find_module):
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# test no fails if module is broken
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# TODO(olkonami): check exception is handled correct
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utils.load_plugins("/somwhere")
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def module_level_method():
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pass
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class MethodClassTestCase(test.TestCase):
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@testtools.skipIf(sys.version_info > (2, 9), "Problems with access to "
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"class from <locals>")
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def test_method_class_for_class_level_method(self):
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class A:
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def m(self):
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pass
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self.assertEqual(A, utils.get_method_class(A.m))
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def test_method_class_for_module_level_method(self):
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self.assertIsNone(utils.get_method_class(module_level_method))
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class FirstIndexTestCase(test.TestCase):
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def test_list_with_existing_matching_element(self):
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lst = [1, 3, 5, 7]
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self.assertEqual(utils.first_index(lst, lambda e: e == 1), 0)
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self.assertEqual(utils.first_index(lst, lambda e: e == 5), 2)
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self.assertEqual(utils.first_index(lst, lambda e: e == 7), 3)
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def test_list_with_non_existing_matching_element(self):
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lst = [1, 3, 5, 7]
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self.assertIsNone(utils.first_index(lst, lambda e: e == 2))
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class DocstringTestCase(test.TestCase):
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def test_parse_complete_docstring(self):
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docstring = """One-line description.
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Multi-
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line-
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description.
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:param p1: Param 1 description.
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:param p2: Param 2
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description.
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:returns: Return value
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description.
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"""
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dct = utils.parse_docstring(docstring)
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expected = {
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"short_description": "One-line description.",
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"long_description": "Multi-\nline-\ndescription.",
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"params": [{"name": "p1", "doc": "Param 1 description."},
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{"name": "p2", "doc": "Param 2 description."}],
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"returns": "Return value description."
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}
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self.assertEqual(dct, expected)
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def test_parse_incomplete_docstring(self):
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docstring = """One-line description.
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:param p1: Param 1 description.
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:param p2: Param 2
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description.
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"""
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dct = utils.parse_docstring(docstring)
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expected = {
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"short_description": "One-line description.",
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"long_description": None,
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"params": [{"name": "p1", "doc": "Param 1 description."},
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{"name": "p2", "doc": "Param 2 description."}],
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"returns": None
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}
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self.assertEqual(dct, expected)
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def test_parse_docstring_with_no_params(self):
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docstring = """One-line description.
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Multi-
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line-
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description.
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:returns: Return value
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description.
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"""
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dct = utils.parse_docstring(docstring)
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expected = {
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"short_description": "One-line description.",
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"long_description": "Multi-\nline-\ndescription.",
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"params": [],
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"returns": "Return value description."
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}
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self.assertEqual(dct, expected)
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class EditDistanceTestCase(test.TestCase):
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def test_distance_empty_strings(self):
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dist = utils.distance("", "")
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self.assertEqual(0, dist)
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def test_distance_equal_strings(self):
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dist = utils.distance("abcde", "abcde")
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self.assertEqual(0, dist)
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def test_distance_replacement(self):
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dist = utils.distance("abcde", "__cde")
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self.assertEqual(2, dist)
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def test_distance_insertion(self):
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dist = utils.distance("abcde", "ab__cde")
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self.assertEqual(2, dist)
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def test_distance_deletion(self):
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dist = utils.distance("abcde", "abc")
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self.assertEqual(2, dist)
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class TenantIteratorTestCase(test.TestCase):
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def test_iterate_per_tenant(self):
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users = []
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tenants_count = 2
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users_per_tenant = 5
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for tenant_id in range(tenants_count):
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for user_id in range(users_per_tenant):
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users.append({"id": str(user_id),
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"tenant_id": str(tenant_id)})
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expected_result = [
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({"id": "0", "tenant_id": str(i)}, str(i)) for i in range(
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tenants_count)]
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real_result = [i for i in utils.iterate_per_tenants(users)]
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self.assertEqual(expected_result, real_result)
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class RAMIntTestCase(test.TestCase):
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@mock.patch("rally.common.utils.multiprocessing")
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def test__init__(self, mock_multi):
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utils.RAMInt()
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mock_multi.Lock.assert_called_once_with()
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mock_multi.Value.assert_called_once_with("I", 0)
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@mock.patch("rally.common.utils.multiprocessing")
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def test__int__(self, mock_multi):
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mock_multi.Value.return_value = mock.Mock(value=42)
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self.assertEqual(int(utils.RAMInt()), 42)
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@mock.patch("rally.common.utils.multiprocessing")
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def test__str__(self, mock_multi):
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mock_multi.Value.return_value = mock.Mock(value=42)
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self.assertEqual(str(utils.RAMInt()), "42")
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@mock.patch("rally.common.utils.multiprocessing")
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def test__iter__(self, mock_multi):
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ram_int = utils.RAMInt()
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self.assertEqual(iter(ram_int), ram_int)
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@mock.patch("rally.common.utils.multiprocessing")
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def test__next__(self, mock_multi):
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class MemInt(int):
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THRESHOLD = 5
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def __iadd__(self, i):
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return MemInt((int(self) + i) % self.THRESHOLD)
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mock_lock = mock.MagicMock()
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mock_multi.Lock.return_value = mock_lock
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mock_multi.Value.return_value = mock.Mock(value=MemInt(0))
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ram_int = utils.RAMInt()
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self.assertEqual(int(ram_int), 0)
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for i in range(MemInt.THRESHOLD - 1):
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self.assertEqual(ram_int.__next__(), i)
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self.assertRaises(StopIteration, ram_int.__next__)
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self.assertEqual(mock_lock.__enter__.mock_calls,
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[mock.call()] * MemInt.THRESHOLD)
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self.assertEqual(len(mock_lock.__exit__.mock_calls), MemInt.THRESHOLD)
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@mock.patch("rally.common.utils.RAMInt.__next__",
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return_value="next_value")
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@mock.patch("rally.common.utils.multiprocessing")
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def test_next(self, mock_multi, mock_next):
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self.assertEqual(next(utils.RAMInt()), "next_value")
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mock_next.assert_called_once_with()
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@mock.patch("rally.common.utils.multiprocessing")
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def test_reset(self, mock_multi):
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ram_int = utils.RAMInt()
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self.assertRaises(TypeError, int, ram_int)
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ram_int.reset()
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self.assertEqual(int(ram_int), 0)
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class GenerateRandomTestCase(test.TestCase):
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@mock.patch("rally.common.utils.random")
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def test_generate_random_name(self, mock_random):
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choice = "foobarspamchoicestring"
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idx = iter(range(100))
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mock_random.choice.side_effect = lambda choice: choice[next(idx)]
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self.assertEqual(utils.generate_random_name(),
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string.ascii_lowercase[:16])
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idx = iter(range(100))
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mock_random.choice.side_effect = lambda choice: choice[next(idx)]
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self.assertEqual(utils.generate_random_name(length=10),
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string.ascii_lowercase[:10])
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idx = iter(range(100))
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mock_random.choice.side_effect = lambda choice: choice[next(idx)]
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self.assertEqual(utils.generate_random_name(choice=choice),
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choice[:16])
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idx = iter(range(100))
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mock_random.choice.side_effect = lambda choice: choice[next(idx)]
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self.assertEqual(utils.generate_random_name(choice=choice, length=5),
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choice[:5])
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idx = iter(range(100))
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mock_random.choice.side_effect = lambda choice: choice[next(idx)]
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self.assertEqual(
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utils.generate_random_name(prefix="foo_", length=10),
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"foo_" + string.ascii_lowercase[:10])
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idx = iter(range(100))
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mock_random.choice.side_effect = lambda choice: choice[next(idx)]
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self.assertEqual(
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utils.generate_random_name(prefix="foo_",
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choice=choice, length=10),
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"foo_" + choice[:10])
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