1142 lines
30 KiB
Python
1142 lines
30 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 six
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from oslo_config import cfg
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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.lang import parser as spec_parser
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from mistral.scheduler import base as sched_base
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from mistral.services import workflows as wf_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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from mistral_lib import actions as ml_actions
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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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class DirectWorkflowEngineTest(base.EngineTestCase):
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def _run_workflow(self, wf_text, expected_state=states.ERROR):
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wf_service.create_workflows(wf_text)
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wf_ex = self.engine.start_workflow('wf')
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self.await_workflow_state(wf_ex.id, expected_state)
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return db_api.get_workflow_execution(wf_ex.id)
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def test_on_closures(self):
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wf_text = """
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version: '2.0'
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wf:
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# type: direct - 'direct' is default
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tasks:
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task1:
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description: |
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Explicit 'succeed' command should lead to workflow success.
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action: std.echo output="Echo"
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on-success:
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- task2
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- succeed
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on-complete:
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- task3
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- task4
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- fail
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- never_gets_here
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task2:
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action: std.noop
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task3:
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action: std.noop
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task4:
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action: std.noop
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never_gets_here:
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action: std.noop
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"""
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wf_ex = self._run_workflow(wf_text, expected_state=states.SUCCESS)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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tasks = wf_ex.task_executions
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task1 = self._assert_single_item(tasks, name='task1')
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task2 = self._assert_single_item(tasks, name='task2')
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self.assertEqual(2, len(tasks))
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self.await_task_success(task1.id)
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self.await_task_success(task2.id)
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self.assertEqual(wf_ex.state, states.SUCCESS)
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def test_condition_transition_not_triggering(self):
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wf_text = """---
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version: '2.0'
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wf:
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input:
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- var: null
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tasks:
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task1:
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action: std.fail
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on-success:
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- task2
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on-error:
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- task3: <% $.var != null %>
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task2:
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action: std.noop
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task3:
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action: std.noop
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"""
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wf_service.create_workflows(wf_text)
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wf_ex = self.engine.start_workflow('wf')
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self.await_workflow_error(wf_ex.id)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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tasks = wf_ex.task_executions
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task1 = self._assert_single_item(tasks, name='task1')
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self.assertEqual(1, len(tasks))
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self.await_task_error(task1.id)
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self.assertEqual(wf_ex.state, states.ERROR)
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def test_change_state_after_success(self):
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wf_text = """
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version: '2.0'
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wf:
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tasks:
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task1:
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action: std.echo output="Echo"
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on-success:
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- task2
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task2:
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action: std.noop
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"""
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wf_service.create_workflows(wf_text)
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wf_ex = self.engine.start_workflow('wf')
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self.await_workflow_success(wf_ex.id)
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self.assertEqual(
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states.SUCCESS,
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self.engine.resume_workflow(wf_ex.id).state
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)
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self.assertRaises(
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exc.WorkflowException,
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self.engine.pause_workflow, wf_ex.id
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)
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self.assertEqual(
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states.SUCCESS,
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self.engine.stop_workflow(wf_ex.id, states.ERROR).state
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)
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def test_task_not_updated(self):
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wf_text = """
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version: 2.0
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wf:
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tasks:
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task1:
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action: std.echo
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input:
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output: <% task().result.content %>
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"""
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wf_service.create_workflows(wf_text)
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wf_ex = self.engine.start_workflow('wf')
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self.await_workflow_success(wf_ex.id)
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self.assertEqual(
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states.SUCCESS,
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self.engine.resume_workflow(wf_ex.id).state
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)
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self.assertRaises(
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exc.WorkflowException,
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self.engine.pause_workflow, wf_ex.id
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)
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self.assertEqual(
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states.SUCCESS,
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self.engine.stop_workflow(wf_ex.id, states.ERROR).state
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)
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def test_wrong_task_input(self):
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wf_text = """
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version: '2.0'
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wf:
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type: direct
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tasks:
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task1:
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action: std.echo output="Echo"
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on-complete:
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- task2
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task2:
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description: Wrong task output should lead to workflow failure
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action: std.echo wrong_input="Hahaha"
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"""
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wf_ex = self._run_workflow(wf_text)
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self.assertIn('Invalid input', wf_ex.state_info)
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self.assertEqual(wf_ex.state, states.ERROR)
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def test_wrong_first_task_input(self):
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wf_text = """
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version: '2.0'
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wf:
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type: direct
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tasks:
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task1:
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action: std.echo wrong_input="Ha-ha"
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"""
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wf_ex = self._run_workflow(wf_text)
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self.assertIn("Invalid input", wf_ex.state_info)
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self.assertEqual(states.ERROR, wf_ex.state)
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def test_wrong_action(self):
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wf_text = """
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version: '2.0'
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wf:
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type: direct
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tasks:
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task1:
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action: std.echo output="Echo"
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on-complete:
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- task2
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task2:
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action: action.doesnt_exist
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"""
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wf_ex = self._run_workflow(wf_text)
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# TODO(dzimine): Catch tasks caused error, and set them to ERROR:
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# TODO(dzimine): self.assertTrue(task_ex.state, states.ERROR)
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self.assertEqual(wf_ex.state, states.ERROR)
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self.assertIn("Failed to find action", wf_ex.state_info)
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def test_wrong_action_first_task(self):
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wf_text = """
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version: '2.0'
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wf:
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type: direct
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tasks:
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task1:
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action: wrong.task
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"""
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wf_service.create_workflows(wf_text)
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wf_ex = self.engine.start_workflow('wf')
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self.assertIn(
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"Failed to find action [action_name=wrong.task]",
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wf_ex.state_info
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)
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self.assertEqual(states.ERROR, wf_ex.state)
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def test_next_task_with_input_yaql_error(self):
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wf_text = """
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version: '2.0'
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wf:
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type: direct
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tasks:
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task1:
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action: std.echo output="Echo"
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on-complete:
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- task2
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task2:
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action: std.echo output=<% wrong(yaql) %>
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"""
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# Invoke workflow and assert workflow is in ERROR.
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wf_ex = self._run_workflow(wf_text)
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self.assertEqual(states.ERROR, wf_ex.state)
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self.assertIn('Can not evaluate YAQL expression', wf_ex.state_info)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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task_execs = wf_ex.task_executions
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self.assertEqual(2, len(task_execs))
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# 'task1' should be in SUCCESS.
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task_1_ex = self._assert_single_item(
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task_execs,
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name='task1',
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state=states.SUCCESS
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)
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# 'task1' should have exactly one action execution (in SUCCESS).
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task_1_action_exs = db_api.get_action_executions(
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task_execution_id=task_1_ex.id
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)
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self.assertEqual(1, len(task_1_action_exs))
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self.assertEqual(states.SUCCESS, task_1_action_exs[0].state)
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# 'task2' should exist but in ERROR.
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task_2_ex = self._assert_single_item(
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task_execs,
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name='task2',
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state=states.ERROR
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)
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# 'task2' must not have action executions.
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self.assertEqual(
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0,
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len(db_api.get_action_executions(task_execution_id=task_2_ex.id))
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)
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def test_async_next_task_with_input_yaql_error(self):
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wf_text = """
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version: '2.0'
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wf:
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type: direct
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tasks:
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task1:
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action: std.async_noop
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on-complete:
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- task2
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task2:
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action: std.echo output=<% wrong(yaql) %>
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"""
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# Invoke workflow and assert workflow, task,
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# and async action execution are RUNNING.
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wf_ex = self._run_workflow(wf_text, states.RUNNING)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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task_execs = wf_ex.task_executions
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self.assertEqual(states.RUNNING, wf_ex.state)
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self.assertEqual(1, len(task_execs))
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task_1_ex = self._assert_single_item(task_execs, name='task1')
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self.assertEqual(states.RUNNING, task_1_ex.state)
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task_1_action_exs = db_api.get_action_executions(
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task_execution_id=task_1_ex.id
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)
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self.assertEqual(1, len(task_1_action_exs))
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self.assertEqual(states.RUNNING, task_1_action_exs[0].state)
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# Update async action execution result.
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self.engine.on_action_complete(
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task_1_action_exs[0].id,
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ml_actions.Result(data='foobar')
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)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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task_execs = wf_ex.task_executions
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self.assertEqual(states.ERROR, wf_ex.state)
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self.assertIn('Can not evaluate YAQL expression', wf_ex.state_info)
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self.assertEqual(2, len(task_execs))
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# 'task1' must be in SUCCESS.
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task_1_ex = self._assert_single_item(
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task_execs,
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name='task1',
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state=states.SUCCESS
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)
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# 'task1' must have exactly one action execution (in SUCCESS).
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task_1_action_exs = db_api.get_action_executions(
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task_execution_id=task_1_ex.id
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)
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self.assertEqual(1, len(task_1_action_exs))
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self.assertEqual(states.SUCCESS, task_1_action_exs[0].state)
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# 'task2' must be in ERROR.
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task_2_ex = self._assert_single_item(
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task_execs,
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name='task2',
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state=states.ERROR
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)
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# 'task2' must not have action executions.
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self.assertEqual(
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0,
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len(db_api.get_action_executions(task_execution_id=task_2_ex.id))
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)
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def test_join_all_task_with_input_jinja_error(self):
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wf_def = """---
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version: '2.0'
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wf:
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tasks:
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task_1_1:
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action: std.sleep seconds=1
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on-success:
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- task_2
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task_1_2:
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on-success:
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- task_2
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task_2:
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action: std.echo
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join: all
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input:
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output: |
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!! {{ _.nonexistent_variable }} !!"""
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wf_service.create_workflows(wf_def)
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wf_ex = self.engine.start_workflow('wf')
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self.await_workflow_error(wf_ex.id)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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tasks = wf_ex.task_executions
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self.assertEqual(3, len(tasks))
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task_1_1 = self._assert_single_item(
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tasks, name="task_1_1", state=states.SUCCESS
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)
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task_1_2 = self._assert_single_item(
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tasks, name="task_1_2", state=states.SUCCESS
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)
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task_2 = self._assert_single_item(
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tasks, name="task_2", state=states.ERROR
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)
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with db_api.transaction():
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task_1_1_action_exs = db_api.get_action_executions(
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task_execution_id=task_1_1.id)
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task_1_2_action_exs = db_api.get_action_executions(
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task_execution_id=task_1_2.id)
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task_2_action_exs = db_api.get_action_executions(
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task_execution_id=task_2.id)
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self.assertEqual(1, len(task_1_1_action_exs))
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self.assertEqual(states.SUCCESS, task_1_1_action_exs[0].state)
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self.assertEqual(1, len(task_1_2_action_exs))
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self.assertEqual(states.SUCCESS, task_1_2_action_exs[0].state)
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self.assertEqual(0, len(task_2_action_exs))
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def test_second_task_with_input_jinja_error(self):
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wf_def = """---
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version: '2.0'
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wf:
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tasks:
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first:
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on-success:
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- second
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second:
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action: std.echo
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input:
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output: |
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!! {{ _.nonexistent_variable }} !!"""
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wf_service.create_workflows(wf_def)
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wf_ex = self.engine.start_workflow('wf')
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self.await_workflow_error(wf_ex.id)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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tasks = wf_ex.task_executions
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self.assertEqual(2, len(tasks))
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task_first = self._assert_single_item(
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tasks, name="first", state=states.SUCCESS
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)
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task_second = self._assert_single_item(
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tasks, name="second", state=states.ERROR
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)
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with db_api.transaction():
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first_tasks_action_exs = db_api.get_action_executions(
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task_execution_id=task_first.id)
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second_tasks_action_exs = db_api.get_action_executions(
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task_execution_id=task_second.id)
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self.assertEqual(1, len(first_tasks_action_exs))
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self.assertEqual(states.SUCCESS, first_tasks_action_exs[0].state)
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self.assertEqual(0, len(second_tasks_action_exs))
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def test_messed_yaql_in_first_task(self):
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wf_text = """
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version: '2.0'
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wf:
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type: direct
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tasks:
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task1:
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action: std.echo output=<% wrong(yaql) %>
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"""
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wf_service.create_workflows(wf_text)
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wf_ex = self.engine.start_workflow('wf')
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self.assertIn(
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"Can not evaluate YAQL expression [expression=wrong(yaql)",
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wf_ex.state_info
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)
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self.assertEqual(states.ERROR, wf_ex.state)
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def test_mismatched_yaql_in_first_task(self):
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wf_text = """
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version: '2.0'
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wf:
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input:
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- var
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tasks:
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task1:
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action: std.echo output=<% $.var + $.var2 %>
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"""
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wf_service.create_workflows(wf_text)
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wf_ex = self.engine.start_workflow('wf', wf_input={'var': 2})
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self.assertIn("Can not evaluate YAQL expression", wf_ex.state_info)
|
|
self.assertEqual(states.ERROR, wf_ex.state)
|
|
|
|
def test_one_line_syntax_in_on_clauses(self):
|
|
wf_text = """
|
|
version: '2.0'
|
|
|
|
wf:
|
|
type: direct
|
|
|
|
tasks:
|
|
task1:
|
|
action: std.echo output=1
|
|
on-success: task2
|
|
|
|
task2:
|
|
action: std.echo output=1
|
|
on-complete: task3
|
|
|
|
task3:
|
|
action: std.fail
|
|
on-error: task4
|
|
|
|
task4:
|
|
action: std.echo output=4
|
|
"""
|
|
|
|
wf_service.create_workflows(wf_text)
|
|
|
|
wf_ex = self.engine.start_workflow('wf')
|
|
|
|
self.await_workflow_success(wf_ex.id)
|
|
|
|
def test_task_on_clause_has_yaql_error(self):
|
|
wf_text = """
|
|
version: '2.0'
|
|
|
|
wf:
|
|
type: direct
|
|
|
|
tasks:
|
|
task1:
|
|
action: std.noop
|
|
on-success:
|
|
- task2: <% wrong(yaql) %>
|
|
|
|
task2:
|
|
action: std.noop
|
|
"""
|
|
|
|
# Invoke workflow and assert workflow is in ERROR.
|
|
wf_ex = self._run_workflow(wf_text)
|
|
|
|
self.assertEqual(states.ERROR, wf_ex.state)
|
|
self.assertIn('Can not evaluate YAQL expression', wf_ex.state_info)
|
|
|
|
with db_api.transaction():
|
|
wf_ex = db_api.get_workflow_execution(wf_ex.id)
|
|
|
|
task_execs = wf_ex.task_executions
|
|
|
|
# Assert that there is only one task execution and it's SUCCESS.
|
|
self.assertEqual(1, len(task_execs))
|
|
|
|
task_1_ex = self._assert_single_item(
|
|
task_execs,
|
|
name='task1'
|
|
)
|
|
|
|
self.assertEqual(states.ERROR, task_1_ex.state)
|
|
|
|
# Assert that there is only one action execution and it's SUCCESS.
|
|
task_1_action_exs = db_api.get_action_executions(
|
|
task_execution_id=task_1_ex.id
|
|
)
|
|
|
|
self.assertEqual(1, len(task_1_action_exs))
|
|
self.assertEqual(states.SUCCESS, task_1_action_exs[0].state)
|
|
|
|
def test_async_task_on_clause_has_yaql_error(self):
|
|
wf_text = """
|
|
version: '2.0'
|
|
|
|
wf:
|
|
type: direct
|
|
|
|
tasks:
|
|
task1:
|
|
action: std.async_noop
|
|
on-complete:
|
|
- task2: <% wrong(yaql) %>
|
|
|
|
task2:
|
|
action: std.noop
|
|
"""
|
|
|
|
# Invoke workflow and assert workflow, task,
|
|
# and async action execution are RUNNING.
|
|
wf_ex = self._run_workflow(wf_text, states.RUNNING)
|
|
|
|
self.assertEqual(states.RUNNING, wf_ex.state)
|
|
|
|
with db_api.transaction():
|
|
wf_ex = db_api.get_workflow_execution(wf_ex.id)
|
|
|
|
task_execs = wf_ex.task_executions
|
|
|
|
self.assertEqual(1, len(task_execs))
|
|
|
|
task_1_ex = self._assert_single_item(task_execs, name='task1')
|
|
|
|
self.assertEqual(states.RUNNING, task_1_ex.state)
|
|
|
|
task_1_action_exs = db_api.get_action_executions(
|
|
task_execution_id=task_1_ex.id
|
|
)
|
|
|
|
self.assertEqual(1, len(task_1_action_exs))
|
|
self.assertEqual(states.RUNNING, task_1_action_exs[0].state)
|
|
|
|
# Update async action execution result.
|
|
self.engine.on_action_complete(
|
|
task_1_action_exs[0].id,
|
|
ml_actions.Result(data='foobar')
|
|
)
|
|
|
|
# Assert that task1 is SUCCESS and workflow is ERROR.
|
|
with db_api.transaction():
|
|
wf_ex = db_api.get_workflow_execution(wf_ex.id)
|
|
|
|
task_execs = wf_ex.task_executions
|
|
|
|
self.assertEqual(states.ERROR, wf_ex.state)
|
|
self.assertIn('Can not evaluate YAQL expression', wf_ex.state_info)
|
|
self.assertEqual(1, len(task_execs))
|
|
|
|
task_1_ex = self._assert_single_item(task_execs, name='task1')
|
|
|
|
self.assertEqual(states.ERROR, task_1_ex.state)
|
|
|
|
task_1_action_exs = db_api.get_action_executions(
|
|
task_execution_id=task_1_ex.id
|
|
)
|
|
|
|
self.assertEqual(1, len(task_1_action_exs))
|
|
self.assertEqual(states.SUCCESS, task_1_action_exs[0].state)
|
|
|
|
def test_inconsistent_task_names(self):
|
|
wf_text = """
|
|
version: '2.0'
|
|
|
|
wf:
|
|
tasks:
|
|
task1:
|
|
action: std.noop
|
|
on-success: task3
|
|
|
|
task2:
|
|
action: std.noop
|
|
"""
|
|
|
|
exception = self.assertRaises(
|
|
exc.InvalidModelException,
|
|
wf_service.create_workflows,
|
|
wf_text
|
|
)
|
|
|
|
self.assertIn("Task 'task3' not found", str(exception))
|
|
|
|
def test_delete_workflow_integrity_check_on_stop(self):
|
|
wf_text = """---
|
|
version: '2.0'
|
|
|
|
wf:
|
|
tasks:
|
|
async_task:
|
|
action: std.async_noop
|
|
"""
|
|
|
|
wf_service.create_workflows(wf_text)
|
|
|
|
wf_ex = self.engine.start_workflow('wf')
|
|
|
|
self.engine.stop_workflow(wf_ex.id, state=states.CANCELLED)
|
|
|
|
sched = sched_base.get_system_scheduler()
|
|
|
|
self._await(lambda: sched.get_scheduled_jobs_count() == 0)
|
|
|
|
def test_delete_workflow_integrity_check_on_execution_delete(self):
|
|
wf_text = """---
|
|
version: '2.0'
|
|
|
|
wf:
|
|
tasks:
|
|
async_task:
|
|
action: std.async_noop
|
|
"""
|
|
|
|
wf_service.create_workflows(wf_text)
|
|
|
|
wf_ex = self.engine.start_workflow('wf')
|
|
|
|
db_api.delete_workflow_execution(wf_ex.id)
|
|
|
|
sched = sched_base.get_system_scheduler()
|
|
|
|
self._await(lambda: sched.get_scheduled_jobs_count() == 0)
|
|
|
|
def test_output(self):
|
|
wf_text = """---
|
|
version: '2.0'
|
|
|
|
wf:
|
|
tasks:
|
|
task1:
|
|
action: std.echo output="Hi Mistral!"
|
|
on-success: task2
|
|
|
|
task2:
|
|
action: std.noop
|
|
"""
|
|
|
|
wf_service.create_workflows(wf_text)
|
|
|
|
wf_ex = self.engine.start_workflow('wf')
|
|
|
|
self.await_workflow_success(wf_ex.id)
|
|
|
|
with db_api.transaction():
|
|
wf_ex = db_api.get_workflow_execution(wf_ex.id)
|
|
|
|
self.assertDictEqual({}, wf_ex.output)
|
|
|
|
def test_output_expression(self):
|
|
wf_text = """---
|
|
version: '2.0'
|
|
|
|
wf:
|
|
output:
|
|
continue_flag: <% $.continue_flag %>
|
|
|
|
task-defaults:
|
|
on-error:
|
|
- task2
|
|
|
|
tasks:
|
|
task1:
|
|
action: std.fail
|
|
on-success: task3
|
|
|
|
task2:
|
|
action: std.noop
|
|
publish:
|
|
continue_flag: false
|
|
|
|
task3:
|
|
action: std.noop
|
|
"""
|
|
|
|
wf_service.create_workflows(wf_text)
|
|
|
|
wf_ex = self.engine.start_workflow('wf')
|
|
|
|
self.await_workflow_success(wf_ex.id)
|
|
|
|
with db_api.transaction():
|
|
wf_ex = db_api.get_workflow_execution(wf_ex.id)
|
|
|
|
self.assertEqual(2, len(wf_ex.task_executions))
|
|
self.assertDictEqual({'continue_flag': False}, wf_ex.output)
|
|
|
|
def test_triggered_by(self):
|
|
wf_text = """---
|
|
version: '2.0'
|
|
|
|
wf:
|
|
tasks:
|
|
task1:
|
|
action: std.noop
|
|
on-success: task2
|
|
|
|
task2:
|
|
action: std.fail
|
|
on-error: task3
|
|
|
|
task3:
|
|
action: std.fail
|
|
on-error: noop
|
|
on-success: task4
|
|
on-complete: task4
|
|
|
|
task4:
|
|
action: std.noop
|
|
"""
|
|
|
|
wf_service.create_workflows(wf_text)
|
|
|
|
wf_ex = self.engine.start_workflow('wf')
|
|
|
|
self.await_workflow_success(wf_ex.id)
|
|
|
|
with db_api.transaction():
|
|
wf_ex = db_api.get_workflow_execution(wf_ex.id)
|
|
|
|
task_execs = wf_ex.task_executions
|
|
|
|
task1 = self._assert_single_item(task_execs, name='task1')
|
|
task2 = self._assert_single_item(task_execs, name='task2')
|
|
task3 = self._assert_single_item(task_execs, name='task3')
|
|
task4 = self._assert_single_item(task_execs, name='task4')
|
|
|
|
key = 'triggered_by'
|
|
|
|
self.assertIsNone(task1.runtime_context.get(key))
|
|
|
|
self.assertListEqual(
|
|
[
|
|
{
|
|
"task_id": task1.id,
|
|
"event": "on-success"
|
|
}
|
|
],
|
|
task2.runtime_context.get(key)
|
|
)
|
|
|
|
self.assertListEqual(
|
|
[
|
|
{
|
|
"task_id": task2.id,
|
|
"event": "on-error"
|
|
}
|
|
],
|
|
task3.runtime_context.get(key)
|
|
)
|
|
|
|
self.assertListEqual(
|
|
[
|
|
{
|
|
"task_id": task3.id,
|
|
"event": "on-complete"
|
|
}
|
|
],
|
|
task4.runtime_context.get(key)
|
|
)
|
|
|
|
def test_task_in_context_immutability(self):
|
|
wf_text = """---
|
|
version: '2.0'
|
|
|
|
wf:
|
|
description: |
|
|
The idea of this workflow is to have two parallel branches and
|
|
publish different data in these branches. When the workflow
|
|
completed we need to check that during internal manipulations
|
|
with workflow contexts belonging to different branches the inbound
|
|
contexts of all tasks keep their initial values.
|
|
|
|
tasks:
|
|
# Start task.
|
|
task0:
|
|
publish:
|
|
var0: val0
|
|
on-success:
|
|
- task1_1
|
|
- task2_1
|
|
|
|
task1_1:
|
|
publish:
|
|
var1: val1
|
|
on-success: task1_2
|
|
|
|
# The last task in the 1st branch.
|
|
task1_2:
|
|
action: std.noop
|
|
|
|
task2_1:
|
|
publish:
|
|
var2: val2
|
|
on-success: task2_2
|
|
|
|
# The last task in the 2nd branch.
|
|
task2_2:
|
|
action: std.noop
|
|
"""
|
|
|
|
wf_service.create_workflows(wf_text)
|
|
|
|
wf_ex = self.engine.start_workflow('wf')
|
|
|
|
self.await_workflow_success(wf_ex.id)
|
|
|
|
with db_api.transaction():
|
|
wf_ex = db_api.get_workflow_execution(wf_ex.id)
|
|
|
|
tasks_execs = wf_ex.task_executions
|
|
|
|
task0_ex = self._assert_single_item(tasks_execs, name='task0')
|
|
task1_1_ex = self._assert_single_item(tasks_execs, name='task1_1')
|
|
task1_2_ex = self._assert_single_item(tasks_execs, name='task1_2')
|
|
task2_1_ex = self._assert_single_item(tasks_execs, name='task2_1')
|
|
task2_2_ex = self._assert_single_item(tasks_execs, name='task2_2')
|
|
|
|
self.assertDictEqual({}, task0_ex.in_context)
|
|
self.assertDictEqual({'var0': 'val0'}, task1_1_ex.in_context)
|
|
self.assertDictEqual(
|
|
{
|
|
'var0': 'val0',
|
|
'var1': 'val1'
|
|
},
|
|
task1_2_ex.in_context
|
|
)
|
|
self.assertDictEqual({'var0': 'val0'}, task2_1_ex.in_context)
|
|
self.assertDictEqual(
|
|
{
|
|
'var0': 'val0',
|
|
'var2': 'val2'
|
|
},
|
|
task2_2_ex.in_context
|
|
)
|
|
|
|
def test_big_on_closures(self):
|
|
# The idea of the test is to run a workflow with a big 'on-success'
|
|
# list of tasks and big task inbound context ('task_ex.in_context)
|
|
# and observe how it influences memory consumption and performance.
|
|
# The test doesn't have any assertions related to memory(CPU) usage
|
|
# because it's quite difficult to do them. Particular metrics may
|
|
# vary from run to run and also depend on the platform.
|
|
|
|
sub_wf_text = """
|
|
version: '2.0'
|
|
|
|
sub_wf:
|
|
tasks:
|
|
task1:
|
|
action: std.noop
|
|
"""
|
|
|
|
wf_text = """
|
|
version: '2.0'
|
|
|
|
wf:
|
|
tasks:
|
|
task01:
|
|
action: std.noop
|
|
on-success: task02
|
|
|
|
task02:
|
|
action: std.test_dict size=1000 key_prefix='key' val='val'
|
|
publish:
|
|
continue_flag: true
|
|
data: <% task().result %>
|
|
on-success: task0
|
|
|
|
task0:
|
|
workflow: sub_wf
|
|
on-success: {{{__ON_SUCCESS_LIST__}}}
|
|
|
|
{{{__TASK_LIST__}}}
|
|
"""
|
|
|
|
# Generate the workflow text.
|
|
task_cnt = 50
|
|
|
|
on_success_list_str = ''
|
|
|
|
for i in range(1, task_cnt + 1):
|
|
on_success_list_str += (
|
|
'\n - task{}: '
|
|
'<% $.continue_flag = true %>'.format(i)
|
|
)
|
|
|
|
wf_text = wf_text.replace(
|
|
'{{{__ON_SUCCESS_LIST__}}}',
|
|
on_success_list_str
|
|
)
|
|
|
|
task_list_str = ''
|
|
|
|
task_template = """
|
|
task{}:
|
|
action: std.noop
|
|
"""
|
|
|
|
for i in range(1, task_cnt + 1):
|
|
task_list_str += task_template.format(i)
|
|
|
|
wf_text = wf_text.replace('{{{__TASK_LIST__}}}', task_list_str)
|
|
|
|
wf_service.create_workflows(sub_wf_text)
|
|
wf_service.create_workflows(wf_text)
|
|
|
|
# Start the workflow.
|
|
wf_ex = self.engine.start_workflow('wf')
|
|
|
|
self.await_workflow_success(wf_ex.id, timeout=60)
|
|
|
|
self.assertEqual(2, spec_parser.get_wf_execution_spec_cache_size())
|
|
|
|
with db_api.transaction():
|
|
wf_ex = db_api.get_workflow_execution(wf_ex.id)
|
|
|
|
task_execs = wf_ex.task_executions
|
|
|
|
self.assertEqual(task_cnt + 3, len(task_execs))
|
|
|
|
self._assert_single_item(task_execs, name='task0')
|
|
self._assert_single_item(task_execs, name='task{}'.format(task_cnt))
|
|
|
|
def test_action_error_with_array_result(self):
|
|
wf_text = """---
|
|
version: '2.0'
|
|
|
|
wf:
|
|
tasks:
|
|
task1:
|
|
action: std.fail error_data=[1,2,3]
|
|
"""
|
|
|
|
wf_service.create_workflows(wf_text)
|
|
|
|
# Start workflow.
|
|
wf_ex = self.engine.start_workflow('wf')
|
|
|
|
self.await_workflow_error(wf_ex.id)
|
|
|
|
with db_api.transaction():
|
|
# Note: We need to reread execution to access related tasks.
|
|
wf_ex = db_api.get_workflow_execution(wf_ex.id)
|
|
|
|
task_ex = self._assert_single_item(
|
|
wf_ex.task_executions,
|
|
name='task1',
|
|
state=states.ERROR
|
|
)
|
|
|
|
a_ex = self._assert_single_item(
|
|
task_ex.action_executions,
|
|
name='std.fail'
|
|
)
|
|
|
|
self.assertIsInstance(a_ex.output.get('result'), list)
|
|
|
|
# NOTE(rakhmerov): This was previously failing but only Python 2.7
|
|
# probably because SQLAlchemy works differently on different
|
|
# versions of Python. On Python 3 this field's value was always
|
|
# converted into a string no matter what we tried to assign. But
|
|
# that didn't happen on Python 2.7 which caused an SQL exception.
|
|
self.assertIsInstance(task_ex.state_info, six.string_types)
|
|
|
|
def test_single_fail_with_next_noop(self):
|
|
wf_text = """---
|
|
version: '2.0'
|
|
|
|
wf:
|
|
tasks:
|
|
task1:
|
|
action: std.fail
|
|
on-error:
|
|
- noop
|
|
"""
|
|
|
|
wf_service.create_workflows(wf_text)
|
|
|
|
# Start workflow.
|
|
wf_ex = self.engine.start_workflow('wf')
|
|
|
|
self.await_workflow_success(wf_ex.id)
|