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# Copyright 2013: Mirantis Inc.
# 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.
import collections
import multiprocessing
from unittest import mock
import ddt
from rally.plugins.task.runners import serial
from rally.task import runner
from tests.unit import fakes
from tests.unit import test
BASE = "rally.task.runner."
class ScenarioRunnerHelpersTestCase(test.TestCase):
@mock.patch(BASE + "utils.format_exc")
def test_format_result_on_timeout(self, mock_format_exc):
mock_exc = mock.MagicMock()
expected = {
"duration": 100,
"idle_duration": 0,
"output": {"additive": [], "complete": []},
"atomic_actions": [],
"error": mock_format_exc.return_value,
"timestamp": mock.ANY
}
self.assertEqual(expected,
runner.format_result_on_timeout(mock_exc, 100))
mock_format_exc.assert_called_once_with(mock_exc)
def test_get_scenario_context(self):
context_obj = {"foo": "bar"}
result = runner._get_scenario_context(13, context_obj)
self.assertEqual({"foo": "bar", "iteration": 14}, result)
def test_run_scenario_once_internal_logic(self):
context = runner._get_scenario_context(
12, fakes.FakeContext({}).context)
scenario_cls = mock.MagicMock()
event_queue = mock.MagicMock()
runner._run_scenario_once(
scenario_cls, "test", context, {}, event_queue)
expected_calls = [
mock.call(context),
mock.call().test(),
mock.call().idle_duration(),
mock.call().idle_duration(),
mock.call().atomic_actions()
]
scenario_cls.assert_has_calls(expected_calls, any_order=True)
event_queue.put.assert_called_once_with(
{"type": "iteration", "value": 13})
@mock.patch(BASE + "rutils.Timer", side_effect=fakes.FakeTimer)
def test_run_scenario_once_without_scenario_output(self, mock_timer):
result = runner._run_scenario_once(
fakes.FakeScenario, "run", mock.MagicMock(), {},
mock.MagicMock())
expected_result = {
"duration": fakes.FakeTimer().duration(),
"timestamp": fakes.FakeTimer().timestamp(),
"idle_duration": 0,
"error": [],
"output": {"additive": [], "complete": []},
"atomic_actions": []
}
self.assertEqual(expected_result, result)
@mock.patch(BASE + "rutils.Timer", side_effect=fakes.FakeTimer)
def test_run_scenario_once_with_added_scenario_output(self, mock_timer):
result = runner._run_scenario_once(
fakes.FakeScenario, "run", mock.MagicMock(),
{"with_add_output": True}, mock.MagicMock())
expected_result = {
"duration": fakes.FakeTimer().duration(),
"timestamp": fakes.FakeTimer().timestamp(),
"idle_duration": 0,
"error": [],
"output": {"additive": [{"chart_plugin": "FooPlugin",
"description": "Additive description",
"data": [["a", 1]],
"title": "Additive"}],
"complete": [{"data": [["a", [[1, 2], [2, 3]]]],
"description": "Complete description",
"title": "Complete",
"chart_plugin": "BarPlugin"}]},
"atomic_actions": []
}
self.assertEqual(expected_result, result)
@mock.patch(BASE + "rutils.Timer", side_effect=fakes.FakeTimer)
def test_run_scenario_once_exception(self, mock_timer):
result = runner._run_scenario_once(
fakes.FakeScenario, "run", mock.MagicMock(), {"raise_exc": True},
mock.MagicMock())
expected_error = result.pop("error")
expected_result = {
"duration": fakes.FakeTimer().duration(),
"timestamp": fakes.FakeTimer().timestamp(),
"idle_duration": 0,
"output": {"additive": [], "complete": []},
"atomic_actions": []
}
self.assertEqual(expected_result, result)
self.assertEqual(expected_error[:2],
["Exception", "Something went wrong"])
def noop_worker_process(i):
pass
@ddt.ddt
class ScenarioRunnerTestCase(test.TestCase):
@mock.patch(BASE + "rutils.Timer.duration", return_value=10)
def test_run(self, mock_timer_duration):
scenario_class = fakes.FakeScenario
runner_obj = serial.SerialScenarioRunner(
mock.MagicMock(),
mock.MagicMock())
runner_obj._run_scenario = mock.Mock()
context_obj = {"task": runner_obj.task,
"scenario_name": "classbased.fooscenario",
"admin": {"credential": "foo_credentials"},
"config": {}}
result = runner_obj.run("classbased.fooscenario", context_obj,
{"foo": 11, "bar": "spam"})
self.assertIsNone(result)
self.assertEqual(runner_obj.run_duration,
mock_timer_duration.return_value)
self.assertEqual([], list(runner_obj.result_queue))
runner_obj._run_scenario.assert_called_once_with(
scenario_class, "run", context_obj, {"foo": 11, "bar": "spam"})
def test_abort(self):
runner_obj = serial.SerialScenarioRunner(
mock.MagicMock(),
mock.MagicMock())
self.assertFalse(runner_obj.aborted.is_set())
runner_obj.abort()
self.assertTrue(runner_obj.aborted.is_set())
def test__create_process_pool(self):
runner_obj = serial.SerialScenarioRunner(
mock.MagicMock(),
mock.MagicMock())
processes_to_start = 10
counter = ((i,) for i in range(100))
process_pool = runner_obj._create_process_pool(
processes_to_start, noop_worker_process, counter)
self.assertEqual(processes_to_start, len(process_pool))
for process in process_pool:
self.assertIsInstance(process, multiprocessing.Process)
@mock.patch(BASE + "ScenarioRunner._send_result")
def test__join_processes(self, mock_scenario_runner__send_result):
process = mock.MagicMock(is_alive=mock.MagicMock(return_value=False))
processes = 10
process_pool = collections.deque([process] * processes)
mock_result_queue = mock.MagicMock(
empty=mock.MagicMock(return_value=True))
mock_event_queue = mock.MagicMock(
empty=mock.MagicMock(return_value=True))
runner_obj = serial.SerialScenarioRunner(
mock.MagicMock(),
mock.MagicMock())
runner_obj._join_processes(
process_pool, mock_result_queue, mock_event_queue)
self.assertEqual(processes, process.join.call_count)
mock_result_queue.close.assert_called_once_with()
def _get_runner(self, task="mock_me", config="mock_me", batch_size=0):
class ScenarioRunner(runner.ScenarioRunner):
def _run_scenario(self, *args, **kwargs):
raise NotImplementedError("Do not run me!")
task = task if task != "mock_me" else mock.Mock()
config = config if config != "mock_me" else mock.Mock()
scenario_runner = ScenarioRunner(task, config, batch_size)
scenario_runner._meta_init()
scenario_runner._meta_set("name", "FakePlugin_%s" % id(ScenarioRunner))
return scenario_runner
def test__send_result(self):
task = fakes.FakeTask(uuid="foo_uuid")
task.result_has_valid_schema = mock.MagicMock(return_value=True)
runner_ = self._get_runner(task=task)
result = {"timestamp": 42}
self.assertIsNone(runner_._send_result(result))
self.assertEqual([], runner_.result_batch)
self.assertEqual(collections.deque([[result]]), runner_.result_queue)
@mock.patch("rally.task.runner.LOG")
def test__send_result_with_invalid_schema(self, mock_log):
task = fakes.FakeTask(uuid="foo_uuid")
task.result_has_valid_schema = mock.MagicMock(return_value=False)
runner_ = self._get_runner(task=task)
result = {"timestamp": 42}
self.assertIsNone(runner_._send_result(result))
runner_.task.result_has_valid_schema.assert_called_once_with(result)
self.assertTrue(mock_log.warning.called)
self.assertEqual([], runner_.result_batch)
self.assertEqual(collections.deque([]), runner_.result_queue)
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