434 lines
12 KiB
Python
434 lines
12 KiB
Python
# Copyright 2015 - 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 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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from oslo_config import cfg
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from mistral.db.v2 import api as db_api
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from mistral.services import workflows as wf_service
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from mistral.tests.unit.engine import base as engine_test_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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class YAQLFunctionsEngineTest(engine_test_base.EngineTestCase):
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def test_task_function(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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description: This is task 1
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tags: ['t1']
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action: std.echo output=1
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publish:
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name: <% task(task1).name %>
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description: <% task(task1).spec.description %>
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tags: <% task(task1).spec.tags%>
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state: <% task(task1).state %>
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state_info: <% task(task1).state_info %>
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res: <% task(task1).result %>
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on-success:
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- task2
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task2:
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action: std.echo output=<% task(task1).result + 1 %>
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publish:
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name: <% task(task1).name %>
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description: <% task(task1).spec.description %>
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tags: <% task(task1).spec.tags%>
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state: <% task(task1).state %>
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state_info: <% task(task1).state_info %>
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res: <% task(task1).result %>
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task2_res: <% task(task2).result %>
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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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with db_api.transaction():
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# Reread execution to access related tasks.
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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(states.SUCCESS, wf_ex.state)
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task1 = self._assert_single_item(
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tasks,
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name='task1',
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state=states.SUCCESS
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)
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task2 = self._assert_single_item(
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tasks,
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name='task2',
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state=states.SUCCESS
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)
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self.assertDictEqual(
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{
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'name': 'task1',
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'description': 'This is task 1',
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'tags': ['t1'],
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'state': states.SUCCESS,
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'state_info': None,
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'res': 1
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},
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task1.published
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)
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self.assertDictEqual(
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{
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'name': 'task1',
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'description': 'This is task 1',
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'tags': ['t1'],
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'state': states.SUCCESS,
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'state_info': None,
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'res': 1,
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'task2_res': 2
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},
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task2.published
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)
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def test_task_function_returns_null(self):
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wf_text = """---
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version: '2.0'
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wf:
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output:
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task2: <% task(task2) %>
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task2bool: <% task(task2) = null %>
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tasks:
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task1:
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action: std.noop
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on-success:
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- task2: <% false %>
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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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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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self.assertDictEqual(
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{
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'task2': None,
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'task2bool': True
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},
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wf_ex.output
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)
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task_execs = wf_ex.task_executions
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self.assertEqual(1, len(task_execs))
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def test_task_function_non_existing(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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output:
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task_name: <% task(non_existing_task).name %>
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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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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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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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self.assertEqual(states.ERROR, wf_ex.state)
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self.assertIn('non_existing_task', wf_ex.state_info)
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def test_task_function_no_arguments(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=1
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publish:
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task1_id: <% task().id %>
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task1_result: <% task().result %>
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task1_state: <% task().state %>
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on-success: task2
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task2:
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action: std.echo output=2
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publish:
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task2_id: <% task().id %>
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task2_result: <% task().result %>
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task2_state: <% task().state %>
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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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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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task1_ex = self._assert_single_item(
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wf_ex.task_executions,
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name='task1'
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)
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task2_ex = self._assert_single_item(
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wf_ex.task_executions,
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name='task2'
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)
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self.assertDictEqual(
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{
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'task1_id': task1_ex.id,
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'task1_result': 1,
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'task1_state': states.SUCCESS
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},
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task1_ex.published
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)
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self.assertDictEqual(
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{
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'task2_id': task2_ex.id,
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'task2_result': 2,
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'task2_state': states.SUCCESS
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},
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task2_ex.published
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)
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# The internal data needed for evaluation of the task() function
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# should not be persisted to DB.
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self.assertNotIn('__task_execution', task1_ex.in_context)
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self.assertNotIn('__task_execution', task2_ex.in_context)
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def test_task_function_no_name_on_complete_case(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=1
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on-complete:
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- fail(msg=<% 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.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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self.assertEqual(states.ERROR, wf_ex.state)
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self.assertIsNotNone(wf_ex.state_info)
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self.assertIn(wf_ex.id, wf_ex.state_info)
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def test_task_function_no_name_on_success_case(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=1
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on-success:
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- task2: <% task().result = 1 %>
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- task3: <% task().result = 100 %>
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task2:
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action: std.echo output=2
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task3:
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action: std.echo output=3
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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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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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self.assertEqual(2, len(wf_ex.task_executions))
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self._assert_single_item(wf_ex.task_executions, name='task1')
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self._assert_single_item(wf_ex.task_executions, name='task2')
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def test_uuid_function(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=<% uuid() %>
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publish:
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result: <% task(task1).result %>
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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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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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task_ex = task_execs[0]
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result = task_ex.published['result']
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self.assertIsNotNone(result)
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self.assertEqual(36, len(result))
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self.assertEqual(4, result.count('-'))
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def test_execution_function(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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- k1
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- k2: v2_default
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tasks:
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task1:
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action: std.echo output=<% execution() %>
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publish:
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result: <% task(task1).result %>
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"""
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wf_service.create_workflows(wf_text)
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wf_ex = self.engine.start_workflow(
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'wf',
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wf_input={'k1': 'v1'},
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param1='blablabla'
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)
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self.await_workflow_success(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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task_execs = wf_ex.task_executions
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task_ex = task_execs[0]
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execution = task_ex.published['result']
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self.assertIsInstance(execution, dict)
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spec = execution['spec']
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self.assertEqual('2.0', spec['version'])
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self.assertEqual('wf', spec['name'])
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self.assertIn('tasks', spec)
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self.assertEqual(1, len(spec['tasks']))
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self.assertDictEqual(
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{
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'k1': 'v1',
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'k2': 'v2_default'
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},
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execution['input']
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)
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self.assertDictEqual(
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{
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'param1': 'blablabla',
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'namespace': '',
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'env': {}
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},
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execution['params']
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)
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self.assertEqual(
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wf_ex.created_at.isoformat(' '),
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execution['created_at']
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)
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def test_yaml_dump_function(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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publish:
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data: <% {key1 => foo, key2 => bar} %>
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on-success: task2
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task2:
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publish:
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yaml_str: <% yaml_dump($.data) %>
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json_str: <% json_dump($.data) %>
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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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with db_api.transaction(read_only=True):
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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task_ex = self._assert_single_item(
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wf_ex.task_executions,
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name='task2'
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)
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yaml_str = task_ex.published['yaml_str']
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json_str = task_ex.published['json_str']
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self.assertIsNotNone(yaml_str)
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self.assertIn('key1: foo', yaml_str)
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self.assertIn('key2: bar', yaml_str)
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self.assertIsNotNone(json_str)
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self.assertIn('"key1": "foo"', json_str)
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self.assertIn('"key2": "bar"', json_str)
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