mistral/mistral/tests/unit/engine/test_task_started_finished_...

164 lines
5.0 KiB
Python

# 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 mistral.tests.unit.engine import base
from mistral.db.v2 import api as db_api
from mistral.services import workflows as wf_service
WF_FAIL_WITH_WAIT = """
version: "2.0"
wf_fail:
tasks:
task1:
action: std.fail
wait-before: 2
"""
WF_JOIN_ALL = """
version: "2.0"
wf_join:
tasks:
wait_2:
action: std.sleep seconds=2
on-success: finish_wf
wait_4:
action: std.sleep seconds=4
on-success: finish_wf
wait_6:
action: std.sleep seconds=6
on-success: finish_wf
finish_wf:
join: all
action: std.sleep seconds=2
"""
WF_WITH_RETRIES = """
version: "2.0"
wf_retry:
tasks:
task1:
action: std.fail
retry:
delay: 1
count: 5
"""
WF_WAIT_BEFORE_AFTER = """
version: "2.0"
wf_wait:
tasks:
task1:
action: std.noop
wait-before: 3
wait-after: 3
"""
class TaskStartedFinishedAtTest(base.EngineTestCase):
def setUp(self):
super(TaskStartedFinishedAtTest, self).setUp()
def test_started_finished_fields_updated_after_rerun(self):
wf_service.create_workflows(WF_FAIL_WITH_WAIT)
wf_ex = self.engine.start_workflow('wf_fail')
self.await_workflow_error(wf_ex.id)
task_ex = self._get_task_from_wf(wf_ex.id)
started_1st, finished_1st = self._get_started_finished(task_ex)
wf_ex = self.engine.rerun_workflow(task_ex.id)
task_ex = self._get_task_from_wf(wf_ex.id)
self.assertIsNone(task_ex.finished_at)
self.await_workflow_error(wf_ex.id)
task_ex = self._get_task_from_wf(wf_ex.id)
started_2nd, finished_2nd = self._get_started_finished(task_ex)
self.assertNotEqual(started_1st, started_2nd)
self.assertNotEqual(finished_1st, finished_2nd)
def test_correct_duration_in_case_of_join_all(self):
wf_service.create_workflows(WF_JOIN_ALL)
wf_ex = self.engine.start_workflow('wf_join')
self.await_workflow_success(wf_ex.id)
wait_2 = self._get_task_from_wf(wf_ex.id, 'wait_2')
wait_4 = self._get_task_from_wf(wf_ex.id, 'wait_4')
wait_6 = self._get_task_from_wf(wf_ex.id, 'wait_6')
finish_wf = self._get_task_from_wf(wf_ex.id, 'finish_wf')
self._check_was_started_after(finish_wf, wait_2)
self._check_was_started_after(finish_wf, wait_4)
self._check_was_started_after(finish_wf, wait_6)
def test_retries_do_not_update_created_at(self):
wf_service.create_workflows(WF_WITH_RETRIES)
wf_ex = self.engine.start_workflow('wf_retry')
self.await_workflow_error(wf_ex.id)
task_ex = self._get_task_from_wf(wf_ex.id)
created_at = task_ex.created_at
started_at = self._get_started_finished(task_ex)[0]
self.assertEqual(created_at, started_at)
def test_wait_before_after_are_included_to_duration(self):
wf_service.create_workflows(WF_WAIT_BEFORE_AFTER)
wf_ex = self.engine.start_workflow('wf_wait')
self.await_workflow_success(wf_ex.id)
task_ex = self._get_task_from_wf(wf_ex.id)
started, finished = self._get_started_finished(task_ex)
duration = self._get_task_duration(started, finished)
self._check_duration_more_than(duration, 1)
def _get_task_from_wf(self, wf_ex_id, name='task1'):
with db_api.transaction():
wf_ex = db_api.get_workflow_execution(wf_ex_id)
task_execs = wf_ex.task_executions
return self._assert_single_item(task_execs, name=name)
def _get_started_finished(self, task_ex):
started_at = task_ex.started_at
finished_at = task_ex.finished_at
self.assertIsNotNone(started_at)
self.assertIsNotNone(finished_at)
return started_at, finished_at
def _get_task_duration(self, start_time, finish_time):
return (finish_time - start_time).total_seconds()
def _check_was_started_after(self, task_started, task_finished):
first_finished = self._get_started_finished(task_finished)[1]
second_started = self._get_started_finished(task_started)[0]
delta = self._get_task_duration(first_finished, second_started)
self.assertTrue(
delta >= 0,
"Expected {} was started after {} was finished".format(
task_started.name, task_finished.name)
)
def _check_duration_more_than(self, duration, time):
self.assertTrue(
time < duration,
"Expected duration {} was more than {}".format(duration, time)
)