c70779041d
Make all DB API public function session aware Change-Id: I2dcba176fa016076372c4dde22cc70986daddc2b Closes-Bug: #1640469
261 lines
7.4 KiB
Python
261 lines
7.4 KiB
Python
# Copyright 2014 - Mirantis, Inc.
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# Copyright 2015 - StackStorm, 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 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.actions import std_actions
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from mistral import context as auth_context
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from mistral.db.v2 import api as db_api
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from mistral import exceptions as exc
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from mistral.services import workbooks as wb_service
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from mistral.tests.unit.engine import base
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from mistral.workflow import states
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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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WB1 = """
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---
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version: '2.0'
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name: wb1
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workflows:
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wf1:
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type: reverse
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input:
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- param1
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- param2
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output:
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final_result: <% $.final_result %>
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tasks:
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task1:
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action: std.echo output=<% $.param1 %>
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publish:
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result1: <% task(task1).result %>
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task2:
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action: std.echo output="'<% $.param1 %> & <% $.param2 %>'"
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publish:
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final_result: <% task(task2).result %>
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requires: [task1]
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wf2:
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type: direct
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output:
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slogan: <% $.slogan %>
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tasks:
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task1:
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workflow: wf1 param1='Bonnie' param2='Clyde' task_name='task2'
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publish:
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slogan: "<% task(task1).result.final_result %> is a cool movie!"
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"""
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WB2 = """
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---
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version: '2.0'
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name: wb2
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workflows:
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wf1:
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type: direct
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tasks:
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task1:
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workflow: wf2
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wf2:
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type: direct
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output:
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var1: <% $.does_not_exist %>
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tasks:
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task1:
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action: std.noop
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"""
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class SubworkflowsTest(base.EngineTestCase):
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def setUp(self):
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super(SubworkflowsTest, self).setUp()
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wb_service.create_workbook_v2(WB1)
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wb_service.create_workbook_v2(WB2)
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def test_subworkflow_success(self):
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wf2_ex = self.engine.start_workflow('wb1.wf2', None)
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project_id = auth_context.ctx().project_id
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# Execution of 'wf2'.
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self.assertEqual(project_id, wf2_ex.project_id)
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self.assertIsNotNone(wf2_ex)
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self.assertDictEqual({}, wf2_ex.input)
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self.assertDictEqual({}, wf2_ex.params)
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self._await(lambda: len(db_api.get_workflow_executions()) == 2, 0.5, 5)
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wf_execs = db_api.get_workflow_executions()
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self.assertEqual(2, len(wf_execs))
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# Execution of 'wf2'.
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wf1_ex = self._assert_single_item(wf_execs, name='wb1.wf1')
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wf2_ex = self._assert_single_item(wf_execs, name='wb1.wf2')
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self.assertEqual(project_id, wf1_ex.project_id)
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self.assertIsNotNone(wf1_ex.task_execution_id)
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self.assertDictContainsSubset(
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{
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'task_name': 'task2',
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'task_execution_id': wf1_ex.task_execution_id
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},
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wf1_ex.params
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)
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self.assertDictEqual(
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{
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'param1': 'Bonnie',
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'param2': 'Clyde'
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},
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wf1_ex.input
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)
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# Wait till workflow 'wf1' is completed.
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self.await_workflow_success(wf1_ex.id)
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with db_api.transaction():
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wf1_ex = db_api.get_workflow_execution(wf1_ex.id)
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wf1_output = wf1_ex.output
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self.assertDictEqual(
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{'final_result': "'Bonnie & Clyde'"},
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wf1_output
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)
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# Wait till workflow 'wf2' is completed.
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self.await_workflow_success(wf2_ex.id, timeout=4)
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with db_api.transaction():
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wf2_ex = db_api.get_workflow_execution(wf2_ex.id)
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wf2_output = wf2_ex.output
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self.assertDictEqual(
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{'slogan': "'Bonnie & Clyde' is a cool movie!"},
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wf2_output
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)
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# Check project_id in tasks.
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wf1_task_execs = db_api.get_task_executions(
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workflow_execution_id=wf1_ex.id
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)
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wf2_task_execs = db_api.get_task_executions(
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workflow_execution_id=wf2_ex.id
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)
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wf2_task1_ex = self._assert_single_item(wf1_task_execs, name='task1')
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wf1_task1_ex = self._assert_single_item(wf2_task_execs, name='task1')
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wf1_task2_ex = self._assert_single_item(wf1_task_execs, name='task2')
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self.assertEqual(project_id, wf2_task1_ex.project_id)
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self.assertEqual(project_id, wf1_task1_ex.project_id)
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self.assertEqual(project_id, wf1_task2_ex.project_id)
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@mock.patch.object(std_actions.EchoAction, 'run',
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mock.MagicMock(side_effect=exc.ActionException))
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def test_subworkflow_error(self):
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self.engine.start_workflow('wb1.wf2', None)
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self._await(lambda: len(db_api.get_workflow_executions()) == 2, 0.5, 5)
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wf_execs = db_api.get_workflow_executions()
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self.assertEqual(2, len(wf_execs))
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wf1_ex = self._assert_single_item(wf_execs, name='wb1.wf1')
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wf2_ex = self._assert_single_item(wf_execs, name='wb1.wf2')
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# Wait till workflow 'wf1' is completed.
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self.await_workflow_error(wf1_ex.id)
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# Wait till workflow 'wf2' is completed, its state must be ERROR.
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self.await_workflow_error(wf2_ex.id)
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def test_subworkflow_yaql_error(self):
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wf_ex = self.engine.start_workflow('wb2.wf1', None)
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self.await_workflow_error(wf_ex.id)
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wf_execs = db_api.get_workflow_executions()
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self.assertEqual(2, len(wf_execs))
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wf2_ex = self._assert_single_item(wf_execs, name='wb2.wf2')
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self.assertEqual(states.ERROR, wf2_ex.state)
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self.assertIn('Can not evaluate YAQL expression', wf2_ex.state_info)
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# Ensure error message is bubbled up to the main workflow.
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wf1_ex = self._assert_single_item(wf_execs, name='wb2.wf1')
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self.assertEqual(states.ERROR, wf1_ex.state)
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self.assertIn('Can not evaluate YAQL expression', wf1_ex.state_info)
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def test_subworkflow_environment_inheritance(self):
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env = {'key1': 'abc'}
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wf2_ex = self.engine.start_workflow('wb1.wf2', None, env=env)
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# Execution of 'wf2'.
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self.assertIsNotNone(wf2_ex)
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self.assertDictEqual({}, wf2_ex.input)
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self.assertDictEqual({'env': env}, wf2_ex.params)
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self._await(lambda: len(db_api.get_workflow_executions()) == 2, 0.5, 5)
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wf_execs = db_api.get_workflow_executions()
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self.assertEqual(2, len(wf_execs))
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# Execution of 'wf1'.
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wf1_ex = self._assert_single_item(wf_execs, name='wb1.wf1')
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wf2_ex = self._assert_single_item(wf_execs, name='wb1.wf2')
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expected_start_params = {
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'task_name': 'task2',
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'task_execution_id': wf1_ex.task_execution_id,
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'env': env
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}
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self.assertIsNotNone(wf1_ex.task_execution_id)
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self.assertDictContainsSubset(expected_start_params, wf1_ex.params)
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# Wait till workflow 'wf1' is completed.
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self.await_workflow_success(wf1_ex.id)
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# Wait till workflow 'wf2' is completed.
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self.await_workflow_success(wf2_ex.id)
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