155 lines
4.2 KiB
Python
155 lines
4.2 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
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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 WorkflowVariablesTest(base.EngineTestCase):
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def test_workflow_variables(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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- param1: "Hello"
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- param2
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vars:
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literal_var: "Literal value"
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yaql_var: "<% $.param1 %> <% $.param2 %>"
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output:
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literal_var: <% $.literal_var %>
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yaql_var: <% $.yaql_var %>
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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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# Start workflow.
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wf_ex = self.engine.start_workflow('wf', wf_input={'param2': 'Renat'})
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self.await_workflow_success(wf_ex.id)
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with db_api.transaction():
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# Note: We need to reread execution to access related tasks.
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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wf_output = wf_ex.output
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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(states.SUCCESS, task1.state)
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self.assertDictEqual(
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{
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'literal_var': 'Literal value',
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'yaql_var': 'Hello Renat'
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},
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wf_output
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)
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def test_dynamic_action_names(self):
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wf_text = """---
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version: '2.0'
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wf2:
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input:
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- wf_action
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- param1
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tasks:
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task1:
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action: <% $.wf_action %> output=<% $.param1 %>
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publish:
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var1: <% task(task1).result %>
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"""
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wf_service.create_workflows(wf_text)
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# Start workflow.
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wf_ex = self.engine.start_workflow(
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'wf2',
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wf_input={'wf_action': 'std.echo', 'param1': 'Hello'}
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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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# Note: We need to reread execution to access related tasks.
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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wf_output = wf_ex.output
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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(states.SUCCESS, task1.state)
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self.assertEqual("Hello", wf_output['var1'])
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def test_dynamic_action_names_and_input(self):
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wf_text = """---
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version: '2.0'
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wf3:
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input:
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- wf_action
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- wf_input
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tasks:
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task1:
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action: <% $.wf_action %>
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input: <% $.wf_input %>
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publish:
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var1: <% task(task1).result %>
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"""
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wf_service.create_workflows(wf_text)
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# Start workflow.
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wf_ex = self.engine.start_workflow(
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'wf3',
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wf_input={'wf_action': 'std.echo', 'wf_input': {'output': 'Hello'}}
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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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# Note: We need to reread execution to access related tasks.
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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wf_output = wf_ex.output
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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(states.SUCCESS, task1.state)
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self.assertEqual("Hello", wf_output['var1'])
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