164 lines
5.0 KiB
Python
164 lines
5.0 KiB
Python
# 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 mistral.tests.unit.engine import base
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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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WF_FAIL_WITH_WAIT = """
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version: "2.0"
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wf_fail:
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tasks:
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task1:
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action: std.fail
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wait-before: 2
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"""
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WF_JOIN_ALL = """
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version: "2.0"
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wf_join:
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tasks:
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wait_2:
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action: std.sleep seconds=2
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on-success: finish_wf
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wait_4:
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action: std.sleep seconds=4
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on-success: finish_wf
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wait_6:
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action: std.sleep seconds=6
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on-success: finish_wf
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finish_wf:
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join: all
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action: std.sleep seconds=2
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"""
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WF_WITH_RETRIES = """
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version: "2.0"
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wf_retry:
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tasks:
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task1:
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action: std.fail
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retry:
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delay: 1
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count: 5
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"""
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WF_WAIT_BEFORE_AFTER = """
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version: "2.0"
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wf_wait:
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tasks:
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task1:
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action: std.noop
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wait-before: 3
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wait-after: 3
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"""
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class TaskStartedFinishedAtTest(base.EngineTestCase):
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def setUp(self):
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super(TaskStartedFinishedAtTest, self).setUp()
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def test_started_finished_fields_updated_after_rerun(self):
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wf_service.create_workflows(WF_FAIL_WITH_WAIT)
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wf_ex = self.engine.start_workflow('wf_fail')
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self.await_workflow_error(wf_ex.id)
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task_ex = self._get_task_from_wf(wf_ex.id)
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started_1st, finished_1st = self._get_started_finished(task_ex)
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wf_ex = self.engine.rerun_workflow(task_ex.id)
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task_ex = self._get_task_from_wf(wf_ex.id)
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self.assertIsNone(task_ex.finished_at)
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self.await_workflow_error(wf_ex.id)
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task_ex = self._get_task_from_wf(wf_ex.id)
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started_2nd, finished_2nd = self._get_started_finished(task_ex)
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self.assertNotEqual(started_1st, started_2nd)
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self.assertNotEqual(finished_1st, finished_2nd)
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def test_correct_duration_in_case_of_join_all(self):
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wf_service.create_workflows(WF_JOIN_ALL)
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wf_ex = self.engine.start_workflow('wf_join')
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self.await_workflow_success(wf_ex.id)
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wait_2 = self._get_task_from_wf(wf_ex.id, 'wait_2')
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wait_4 = self._get_task_from_wf(wf_ex.id, 'wait_4')
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wait_6 = self._get_task_from_wf(wf_ex.id, 'wait_6')
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finish_wf = self._get_task_from_wf(wf_ex.id, 'finish_wf')
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self._check_was_started_after(finish_wf, wait_2)
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self._check_was_started_after(finish_wf, wait_4)
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self._check_was_started_after(finish_wf, wait_6)
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def test_retries_do_not_update_created_at(self):
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wf_service.create_workflows(WF_WITH_RETRIES)
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wf_ex = self.engine.start_workflow('wf_retry')
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self.await_workflow_error(wf_ex.id)
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task_ex = self._get_task_from_wf(wf_ex.id)
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created_at = task_ex.created_at
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started_at = self._get_started_finished(task_ex)[0]
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self.assertEqual(created_at, started_at)
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def test_wait_before_after_are_included_to_duration(self):
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wf_service.create_workflows(WF_WAIT_BEFORE_AFTER)
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wf_ex = self.engine.start_workflow('wf_wait')
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self.await_workflow_success(wf_ex.id)
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task_ex = self._get_task_from_wf(wf_ex.id)
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started, finished = self._get_started_finished(task_ex)
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duration = self._get_task_duration(started, finished)
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self._check_duration_more_than(duration, 1)
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def _get_task_from_wf(self, wf_ex_id, name='task1'):
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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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return self._assert_single_item(task_execs, name=name)
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def _get_started_finished(self, task_ex):
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started_at = task_ex.started_at
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finished_at = task_ex.finished_at
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self.assertIsNotNone(started_at)
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self.assertIsNotNone(finished_at)
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return started_at, finished_at
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def _get_task_duration(self, start_time, finish_time):
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return (finish_time - start_time).total_seconds()
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def _check_was_started_after(self, task_started, task_finished):
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first_finished = self._get_started_finished(task_finished)[1]
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second_started = self._get_started_finished(task_started)[0]
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delta = self._get_task_duration(first_finished, second_started)
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self.assertTrue(
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delta >= 0,
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"Expected {} was started after {} was finished".format(
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task_started.name, task_finished.name)
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)
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def _check_duration_more_than(self, duration, time):
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self.assertTrue(
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time < duration,
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"Expected duration {} was more than {}".format(duration, time)
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)
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