mistral/mistral/tests/unit/engine/test_tasks_function.py

441 lines
12 KiB
Python

# Copyright 2016 - Nokia, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from oslo_config import cfg
from mistral.db.v2 import api as db_api
from mistral.services import workbooks as wb_service
from mistral.tests.unit.engine import base
from mistral.workflow import states
# Use the set_default method to set value otherwise in certain test cases
# the change in value is not permanent.
cfg.CONF.set_default('auth_enable', False, group='pecan')
WORKBOOK_WITH_EXPRESSIONS = """
---
version: '2.0'
name: wb
workflows:
test_tasks_function:
type: direct
input:
- wf1_wx_id
- wf2_wx_id
- wf3_wx_id
- wf4_wx_id
- wf5_wx_id
tasks:
main_task:
action: std.noop
publish:
all_tasks_yaql: <% tasks() %>
all_tasks_jinja: "{{ tasks() }}"
wf1_tasks_yaql: <% tasks($.wf1_wx_id) %>
wf1_tasks_jinja: "{{ tasks(_.wf1_wx_id) }}"
wf1_recursive_tasks_yaql: <% tasks($.wf1_wx_id, true) %>
wf1_recursive_tasks_jinja: "{{ tasks(_.wf1_wx_id, true) }}"
wf1_recursive_error_tasks_yaql: <% tasks($.wf1_wx_id, true, ERROR) %>
wf1_recursive_error_tasks_jinja:
"{{ tasks(_.wf1_wx_id, True, 'ERROR') }}"
wf1_not_recursive_error_tasks_yaql:
<% tasks($.wf1_wx_id, false, ERROR) %>
wf1_not_recursive_error_tasks_jinja:
"{{ tasks(_.wf1_wx_id, False, 'ERROR') }}"
wf1_recursive_success_flat_tasks_yaql:
<% tasks($.wf1_wx_id, true, SUCCESS, true) %>
wf1_recursive_success_flat_tasks_jinja:
"{{ tasks(_.wf1_wx_id, True, 'SUCCESS', True) }}"
wf2_recursive_tasks_yaql: <% tasks($.wf2_wx_id, true) %>
wf2_recursive_tasks_jinja: "{{ tasks(_.wf2_wx_id, true) }}"
wf3_recursive_error_tasks_yaql: <% tasks($.wf3_wx_id, true, ERROR) %>
wf3_recursive_error_tasks_jinja:
"{{ tasks(_.wf3_wx_id, True, 'ERROR') }}"
wf3_recursive_error_flat_tasks_yaql:
<% tasks($.wf3_wx_id, true, ERROR, true) %>
wf3_recursive_error_flat_tasks_jinja:
"{{ tasks(_.wf3_wx_id, True, 'ERROR', True) }}"
wf4_recursive_error_flat_tasks_yaql:
<% tasks($.wf4_wx_id, true, ERROR, true) %>
wf4_recursive_error_flat_tasks_jinja:
"{{ tasks(_.wf4_wx_id, True, 'ERROR', True) }}"
wf5_recursive_error_flat_tasks_yaql:
<% tasks($.wf5_wx_id, true, ERROR, true) %>
wf5_recursive_error_flat_tasks_jinja:
"{{ tasks(_.wf5_wx_id, True, 'ERROR', True) }}"
wf1_top_lvl:
type: direct
tasks:
top_lvl_wf1_task_1:
workflow: wf1_second_lvl
top_lvl_wf1_task_2:
action: std.noop
wf1_second_lvl:
type: direct
tasks:
second_lvl_wf1_task_1:
workflow: wf1_third_lvl_fail
on-error:
- second_lvl_wf1_task_2
second_lvl_wf1_task_2:
action: std.noop
second_lvl_wf1_task_3:
action: std.noop
wf1_third_lvl_fail:
type: direct
tasks:
third_lvl_wf1_task_1:
action: std.noop
on-success:
- third_lvl_wf1_task_2_fail
third_lvl_wf1_task_2_fail:
action: std.fail
third_lvl_wf1_task_3:
action: std.noop
wf2_top_lvl:
type: direct
tasks:
top_lvl_wf2_task_1:
action: std.noop
top_lvl_wf2_task_2:
action: std.noop
wf3_top_lvl:
type: direct
tasks:
top_lvl_wf3_task_1_fail:
workflow: wf3_second_lvl_fail
top_lvl_wf3_task_2_fail:
action: std.fail
wf3_second_lvl_fail:
type: direct
tasks:
second_lvl_wf3_task_1_fail:
workflow: wf3_third_lvl_fail
second_lvl_wf3_task_2:
action: std.noop
second_lvl_wf3_task_3:
action: std.noop
wf3_third_lvl_fail:
type: direct
tasks:
third_lvl_wf3_task_1:
action: std.noop
on-success:
- third_lvl_wf3_task_2
third_lvl_wf3_task_2:
action: std.noop
third_lvl_wf3_task_3_fail:
action: std.fail
wf4_top_lvl:
type: direct
tasks:
top_lvl_wf4_task_1:
workflow: wf4_second_lvl
publish:
raise_error: <% $.invalid_yaql_expression %>
wf4_second_lvl:
type: direct
tasks:
second_lvl_wf4_task_1:
action: std.noop
wf5_top_lvl:
type: direct
tasks:
top_lvl_wf5_task_1:
workflow: wf4_second_lvl
input:
raise_error: <% $.invalid_yaql_expression2 %>
wf5_second_lvl:
type: direct
tasks:
second_lvl_wf5_task_1:
workflow: wf5_third_lvl
wf5_third_lvl:
type: direct
tasks:
third_lvl_wf5_task_1:
action: std.noop
"""
class TasksFunctionTest(base.EngineTestCase):
def setUp(self):
super(TasksFunctionTest, self).setUp()
def _assert_published_tasks(self, task, published_key,
expected_tasks_count=None,
expected_tasks_names=None):
published = task.published[published_key]
self.assertIsNotNone(
published,
"there is a problem with publishing '{}'".format(published_key)
)
published_names = [t['name'] for t in published]
if expected_tasks_names:
for e in expected_tasks_names:
self.assertIn(e, published_names)
if not expected_tasks_count:
expected_tasks_count = len(expected_tasks_names)
if expected_tasks_count:
self.assertEqual(expected_tasks_count, len(published))
def test_tasks_function(self):
wb_service.create_workbook_v2(WORKBOOK_WITH_EXPRESSIONS)
# Start helping workflow executions.
wf1_ex = self.engine.start_workflow('wb.wf1_top_lvl', {})
wf2_ex = self.engine.start_workflow('wb.wf2_top_lvl', {})
wf3_ex = self.engine.start_workflow('wb.wf3_top_lvl', {})
wf4_ex = self.engine.start_workflow('wb.wf4_top_lvl', {})
wf5_ex = self.engine.start_workflow('wb.wf5_top_lvl', {})
self.await_workflow_success(wf1_ex.id)
self.await_workflow_success(wf2_ex.id)
self.await_workflow_error(wf3_ex.id)
self.await_workflow_error(wf4_ex.id)
self.await_workflow_error(wf5_ex.id)
# Start test workflow execution
execution = self.engine.start_workflow(
'wb.test_tasks_function',
{"wf1_wx_id": wf1_ex.id,
"wf2_wx_id": wf2_ex.id,
"wf3_wx_id": wf3_ex.id,
"wf4_wx_id": wf4_ex.id,
"wf5_wx_id": wf5_ex.id}
)
self.await_workflow_success(execution.id)
with db_api.transaction():
execution = db_api.get_workflow_execution(execution.id)
task_executions = execution.task_executions
self.assertEqual(states.SUCCESS, execution.state)
self.assertEqual(1, len(task_executions))
main_task = task_executions[0]
self._assert_published_tasks(
main_task,
"all_tasks_yaql",
22)
self._assert_published_tasks(
main_task,
"all_tasks_jinja",
22)
self._assert_published_tasks(
main_task,
"wf1_tasks_yaql",
2,
["top_lvl_wf1_task_1", "top_lvl_wf1_task_2"]
)
self._assert_published_tasks(
main_task,
"wf1_tasks_jinja",
2,
["top_lvl_wf1_task_1", "top_lvl_wf1_task_2"]
)
self._assert_published_tasks(
main_task,
"wf1_recursive_tasks_yaql",
8,
[
'top_lvl_wf1_task_1',
'top_lvl_wf1_task_2',
'second_lvl_wf1_task_3',
'second_lvl_wf1_task_1',
'second_lvl_wf1_task_2',
'third_lvl_wf1_task_3',
'third_lvl_wf1_task_1',
'third_lvl_wf1_task_2_fail'
]
)
self._assert_published_tasks(
main_task,
"wf1_recursive_tasks_jinja",
8,
[
'top_lvl_wf1_task_1',
'top_lvl_wf1_task_2',
'second_lvl_wf1_task_3',
'second_lvl_wf1_task_1',
'second_lvl_wf1_task_2',
'third_lvl_wf1_task_3',
'third_lvl_wf1_task_1',
'third_lvl_wf1_task_2_fail'
]
)
self._assert_published_tasks(
main_task,
"wf1_recursive_error_tasks_yaql",
2,
['second_lvl_wf1_task_1', 'third_lvl_wf1_task_2_fail']
)
self._assert_published_tasks(
main_task,
"wf1_recursive_error_tasks_jinja",
2,
['second_lvl_wf1_task_1', 'third_lvl_wf1_task_2_fail']
)
self._assert_published_tasks(
main_task,
"wf1_not_recursive_error_tasks_yaql",
0
)
self._assert_published_tasks(
main_task,
"wf1_not_recursive_error_tasks_jinja",
0
)
self._assert_published_tasks(
main_task,
"wf1_recursive_success_flat_tasks_yaql",
5,
[
'top_lvl_wf1_task_2',
'second_lvl_wf1_task_3',
'second_lvl_wf1_task_2',
'third_lvl_wf1_task_3',
'third_lvl_wf1_task_1'
]
)
self._assert_published_tasks(
main_task,
"wf1_recursive_success_flat_tasks_jinja",
5,
[
'top_lvl_wf1_task_2',
'second_lvl_wf1_task_3',
'second_lvl_wf1_task_2',
'third_lvl_wf1_task_3',
'third_lvl_wf1_task_1'
]
)
self._assert_published_tasks(
main_task,
"wf2_recursive_tasks_yaql",
2,
['top_lvl_wf2_task_2', 'top_lvl_wf2_task_1']
)
self._assert_published_tasks(
main_task,
"wf2_recursive_tasks_jinja",
2,
['top_lvl_wf2_task_2', 'top_lvl_wf2_task_1']
)
self._assert_published_tasks(
main_task,
"wf3_recursive_error_tasks_yaql",
4,
[
'top_lvl_wf3_task_1_fail',
'top_lvl_wf3_task_2_fail',
'second_lvl_wf3_task_1_fail',
'third_lvl_wf3_task_3_fail'
]
)
self._assert_published_tasks(
main_task,
"wf3_recursive_error_tasks_jinja",
4,
[
'top_lvl_wf3_task_1_fail',
'top_lvl_wf3_task_2_fail',
'second_lvl_wf3_task_1_fail',
'third_lvl_wf3_task_3_fail'
]
)
self._assert_published_tasks(
main_task,
"wf3_recursive_error_flat_tasks_yaql",
2,
['top_lvl_wf3_task_2_fail', 'third_lvl_wf3_task_3_fail']
)
self._assert_published_tasks(
main_task,
"wf3_recursive_error_flat_tasks_jinja",
2,
['top_lvl_wf3_task_2_fail', 'third_lvl_wf3_task_3_fail']
)
self._assert_published_tasks(
main_task,
"wf4_recursive_error_flat_tasks_yaql",
1,
['top_lvl_wf4_task_1']
)
self._assert_published_tasks(
main_task,
"wf4_recursive_error_flat_tasks_jinja",
1,
['top_lvl_wf4_task_1']
)
self._assert_published_tasks(
main_task,
"wf5_recursive_error_flat_tasks_yaql",
1,
['top_lvl_wf5_task_1']
)
self._assert_published_tasks(
main_task,
"wf5_recursive_error_flat_tasks_jinja",
1,
['top_lvl_wf5_task_1']
)