deb-mistral/mistral/tests/unit/engine/test_reverse_workflow.py
Renat Akhmerov c4c0aec7b2 Allowing a single string value for "requires" clause
* Making it symmetric to on-success/on-error/on-complete

Change-Id: I902649e7ca5615234fab9638e673ff807e7b8113
2015-04-30 17:58:50 +06:00

155 lines
4.2 KiB
Python

# Copyright 2014 - Mirantis, 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.openstack.common import log as logging
from mistral.services import workbooks as wb_service
from mistral.tests.unit.engine import base
from mistral.workflow import states
LOG = logging.getLogger(__name__)
# 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 = """
---
version: '2.0'
name: my_wb
workflows:
wf1:
type: reverse
input:
- param1
- param2
tasks:
task1:
action: std.echo output=<% $.param1 %>
publish:
result1: <% $.task1 %>
task2:
action: std.echo output="<% $.result1 %> & <% $.param2 %>"
publish:
result2: <% $.task2 %>
requires: [task1]
task3:
action: std.noop
task4:
action: std.noop
requires: task3
"""
class ReverseWorkflowEngineTest(base.EngineTestCase):
def setUp(self):
super(ReverseWorkflowEngineTest, self).setUp()
wb_service.create_workbook_v2(WORKBOOK)
def test_start_task1(self):
wf_input = {'param1': 'a', 'param2': 'b'}
wf_ex = self.engine.start_workflow(
'my_wb.wf1',
wf_input,
task_name='task1'
)
# Execution 1.
self.assertIsNotNone(wf_ex)
self.assertDictEqual(wf_input, wf_ex.input)
self.assertDictEqual({'task_name': 'task1'}, wf_ex.params)
# Wait till workflow 'wf1' is completed.
self._await(lambda: self.is_execution_success(wf_ex.id))
wf_ex = db_api.get_workflow_execution(wf_ex.id)
self.assertEqual(1, len(wf_ex.task_executions))
self.assertEqual(1, len(db_api.get_task_executions()))
task_ex = self._assert_single_item(
wf_ex.task_executions,
name='task1',
state=states.SUCCESS
)
self.assertDictEqual({'result1': 'a'}, task_ex.published)
def test_start_task2(self):
wf_input = {'param1': 'a', 'param2': 'b'}
wf_ex = self.engine.start_workflow(
'my_wb.wf1',
wf_input,
task_name='task2'
)
# Execution 1.
self.assertIsNotNone(wf_ex)
self.assertDictEqual(wf_input, wf_ex.input)
self.assertDictEqual({'task_name': 'task2'}, wf_ex.params)
# Wait till workflow 'wf1' is completed.
self._await(lambda: self.is_execution_success(wf_ex.id))
wf_ex = db_api.get_workflow_execution(wf_ex.id)
self.assertEqual(2, len(wf_ex.task_executions))
self.assertEqual(2, len(db_api.get_task_executions()))
task1_ex = self._assert_single_item(
wf_ex.task_executions,
name='task1',
state=states.SUCCESS
)
self.assertDictEqual({'result1': 'a'}, task1_ex.published)
task2_ex = self._assert_single_item(
wf_ex.task_executions,
name='task2',
state=states.SUCCESS
)
self.assertDictEqual({'result2': 'a & b'}, task2_ex.published)
def test_one_line_requires_syntax(self):
wf_input = {'param1': 'a', 'param2': 'b'}
wf_ex = self.engine.start_workflow(
'my_wb.wf1',
wf_input,
task_name='task4'
)
self._await(lambda: self.is_execution_success(wf_ex.id))
tasks = db_api.get_task_executions()
self.assertEqual(2, len(tasks))
self._assert_single_item(tasks, name='task4', state=states.SUCCESS)
self._assert_single_item(tasks, name='task3', state=states.SUCCESS)