280 lines
12 KiB
Python
280 lines
12 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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from oslo.config import cfg
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from mistral.tests import base
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from mistral.openstack.common import log as logging
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from mistral.db import api as db_api
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from mistral.actions import std_actions
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from mistral import expressions
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from mistral.engine.scalable import engine
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from mistral.engine import states
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from mistral.engine import client
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LOG = logging.getLogger(__name__)
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WB_NAME = "my_workbook"
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CONTEXT = None # TODO(rakhmerov): Use a meaningful value.
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# Use the set_default method to set value otherwise in certain test cases
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# the change in value is not permanent.
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cfg.CONF.set_default('auth_enable', False, group='pecan')
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#TODO(rakhmerov): add more tests for errors, execution stop etc.
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@mock.patch.object(
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client.EngineClient, 'start_workflow_execution',
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mock.MagicMock(side_effect=base.EngineTestCase.mock_start_workflow))
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@mock.patch.object(
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client.EngineClient, 'convey_task_result',
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mock.MagicMock(side_effect=base.EngineTestCase.mock_task_result))
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@mock.patch.object(
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db_api, 'workbook_get',
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mock.MagicMock(
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return_value={'definition': base.get_resource('test_rest.yaml')}))
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@mock.patch.object(
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std_actions.HTTPAction, 'run',
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mock.MagicMock(return_value={'state': states.SUCCESS}))
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class TestScalableEngine(base.EngineTestCase):
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@mock.patch.object(
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engine.ScalableEngine, "_notify_task_executors",
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mock.MagicMock(return_value=""))
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def test_engine_one_task(self):
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execution = self.engine.start_workflow_execution(WB_NAME, "create-vms",
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CONTEXT)
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task = db_api.tasks_get(WB_NAME, execution['id'])[0]
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self.engine.convey_task_result(WB_NAME, execution['id'], task['id'],
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states.SUCCESS, None)
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task = db_api.tasks_get(WB_NAME, execution['id'])[0]
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execution = db_api.execution_get(WB_NAME, execution['id'])
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self.assertEqual(execution['state'], states.SUCCESS)
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self.assertEqual(task['state'], states.SUCCESS)
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@mock.patch.object(
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client.EngineClient, 'get_workflow_execution_state',
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mock.MagicMock(
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side_effect=base.EngineTestCase.mock_get_workflow_state))
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@mock.patch.object(
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engine.ScalableEngine, "_notify_task_executors",
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mock.MagicMock(return_value=""))
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def test_engine_multiple_tasks(self):
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execution = self.engine.start_workflow_execution(WB_NAME, "backup-vms",
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CONTEXT)
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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self.engine.convey_task_result(WB_NAME, execution['id'],
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tasks[0]['id'],
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states.SUCCESS, None)
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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self.assertIsNotNone(tasks)
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self.assertEqual(2, len(tasks))
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self.assertEqual(tasks[0]['state'], states.SUCCESS)
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# Since we mocked out executor notification we expect IDLE
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# for the second task.
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self.assertEqual(tasks[1]['state'], states.IDLE)
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self.assertEqual(states.RUNNING,
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self.engine.get_workflow_execution_state(
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WB_NAME, execution['id']))
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self.engine.convey_task_result(WB_NAME, execution['id'],
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tasks[1]['id'],
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states.SUCCESS, None)
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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execution = db_api.execution_get(WB_NAME, execution['id'])
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self.assertEqual(execution['state'], states.SUCCESS)
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self.assertEqual(tasks[0]['state'], states.SUCCESS)
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self.assertEqual(tasks[1]['state'], states.SUCCESS)
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self.assertEqual(states.SUCCESS,
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self.engine.get_workflow_execution_state(
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WB_NAME, execution['id']))
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@mock.patch.object(
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engine.ScalableEngine, '_run_tasks',
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mock.MagicMock(side_effect=base.EngineTestCase.mock_run_tasks))
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@mock.patch.object(
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states, "get_state_by_http_status_code",
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mock.MagicMock(return_value=states.SUCCESS))
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@mock.patch.object(
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expressions, "evaluate", mock.MagicMock(side_effect=lambda x, y: x))
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def test_engine_sync_task(self):
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execution = self.engine.start_workflow_execution(WB_NAME,
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"create-vm-nova",
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CONTEXT)
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task = db_api.tasks_get(WB_NAME, execution['id'])[0]
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execution = db_api.execution_get(WB_NAME, execution['id'])
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self.assertEqual(execution['state'], states.SUCCESS)
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self.assertEqual(task['state'], states.SUCCESS)
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@mock.patch.object(
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engine.ScalableEngine, '_run_tasks',
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mock.MagicMock(side_effect=base.EngineTestCase.mock_run_tasks))
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@mock.patch.object(
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expressions, "evaluate", mock.MagicMock(side_effect=lambda x, y: x))
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def test_engine_tasks_on_success_finish(self):
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# Start workflow.
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execution = self.engine.start_workflow_execution(WB_NAME,
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"test_subsequent",
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CONTEXT)
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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self.assertEqual(len(tasks), 1)
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execution = db_api.execution_get(WB_NAME, execution['id'])
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task = self._assert_single_item(tasks, name='test_subsequent')
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# Make 'test_subsequent' task successful.
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self.engine.convey_task_result(WB_NAME, execution['id'],
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task['id'],
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states.SUCCESS, None)
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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self.assertEqual(len(tasks), 4)
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self._assert_single_item(tasks,
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name='test_subsequent',
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state=states.SUCCESS)
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self._assert_single_item(tasks,
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name='attach-volumes',
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state=states.IDLE)
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tasks2 = self._assert_multiple_items(tasks, 2,
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name='create-vms',
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state=states.RUNNING)
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# Make 2 'create-vms' tasks successful.
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self.engine.convey_task_result(WB_NAME, execution['id'],
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tasks2[0]['id'],
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states.SUCCESS, None)
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self.engine.convey_task_result(WB_NAME, execution['id'],
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tasks2[1]['id'],
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states.SUCCESS, None)
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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self._assert_multiple_items(tasks, 2,
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name='create-vms',
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state=states.SUCCESS)
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task = self._assert_single_item(tasks,
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name='attach-volumes',
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state=states.RUNNING)
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# Make 'attach-volumes' task successful.
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self.engine.convey_task_result(WB_NAME, execution['id'],
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task['id'],
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states.SUCCESS, None)
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execution = db_api.execution_get(WB_NAME, execution['id'])
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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self.assertEqual(execution['state'], states.SUCCESS)
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self._assert_multiple_items(tasks, 4, state=states.SUCCESS)
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@mock.patch.object(
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engine.ScalableEngine, '_run_tasks',
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mock.MagicMock(side_effect=base.EngineTestCase.mock_run_tasks))
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@mock.patch.object(
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expressions, "evaluate", mock.MagicMock(side_effect=lambda x, y: x))
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def test_engine_tasks_on_error_finish(self):
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# Start workflow.
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execution = self.engine.start_workflow_execution(WB_NAME,
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"test_subsequent",
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CONTEXT)
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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execution = db_api.execution_get(WB_NAME, execution['id'])
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# Make 'test_subsequent' task successful.
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self.engine.convey_task_result(WB_NAME, execution['id'],
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tasks[0]['id'],
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states.ERROR, None)
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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self.assertEqual(len(tasks), 6)
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self._assert_single_item(tasks,
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name='backup-vms',
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state=states.IDLE)
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self._assert_single_item(tasks,
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name='test_subsequent',
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state=states.ERROR)
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self._assert_single_item(tasks,
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name='attach-volumes',
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state=states.IDLE)
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tasks2 = self._assert_multiple_items(tasks, 3,
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name='create-vms',
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state=states.RUNNING)
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# Make 'create-vms' tasks successful.
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self.engine.convey_task_result(WB_NAME, execution['id'],
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tasks2[0]['id'],
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states.SUCCESS, None)
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self.engine.convey_task_result(WB_NAME, execution['id'],
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tasks2[1]['id'],
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states.SUCCESS, None)
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self.engine.convey_task_result(WB_NAME, execution['id'],
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tasks2[2]['id'],
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states.SUCCESS, None)
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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task1 = self._assert_single_item(tasks,
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name='backup-vms',
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state=states.RUNNING)
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task2 = self._assert_single_item(tasks,
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name='attach-volumes',
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state=states.RUNNING)
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self._assert_multiple_items(tasks, 3,
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name='create-vms',
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state=states.SUCCESS)
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# Make tasks 'backup-vms' and 'attach-volumes' successful.
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self.engine.convey_task_result(WB_NAME, execution['id'],
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task1['id'],
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states.SUCCESS, None)
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self.engine.convey_task_result(WB_NAME, execution['id'],
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task2['id'],
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states.SUCCESS, None)
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execution = db_api.execution_get(WB_NAME, execution['id'])
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self.assertEqual(execution['state'], states.SUCCESS)
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tasks = db_api.tasks_get(WB_NAME, execution['id'])
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self._assert_single_item(tasks, state=states.ERROR)
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self._assert_multiple_items(tasks, 5, state=states.SUCCESS)
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