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# THIS FILE IS PART OF THE CYLC WORKFLOW ENGINE.
# Copyright (C) NIWA & British Crown (Met Office) & Contributors.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from unittest.mock import MagicMock
import pytest
from types import SimpleNamespace
from cylc.flow.prerequisite import Prerequisite
from cylc.flow.taskdef import TaskDef
from cylc.flow.cycling.integer import IntegerSequence, IntegerPoint
from cylc.flow.run_modes import RunMode, disable_task_event_handlers
from cylc.flow.task_trigger import Dependency, TaskTrigger
from cylc.flow.task_state import (
TaskState,
TASK_STATUS_PREPARING,
TASK_STATUS_SUBMIT_FAILED,
TASK_STATUS_SUBMITTED,
TASK_STATUS_SUCCEEDED,
TASK_STATUS_WAITING,
TASK_STATUS_RUNNING,
)
@pytest.mark.parametrize(
'state,is_held',
[
(TASK_STATUS_WAITING, True),
(TASK_STATUS_SUCCEEDED, False)
]
)
def test_state_comparison(state, is_held):
"""Test the __call__ method."""
tdef = TaskDef('foo', {}, '123', '123')
tstate = TaskState(tdef, '123', state, is_held)
assert tstate(state, is_held=is_held)
assert tstate(state)
assert tstate(is_held=is_held)
assert tstate(state, 'of', 'flux')
assert tstate(state, 'of', 'flux', is_held=is_held)
assert not tstate(state + 'x', is_held=not is_held)
assert not tstate(state, is_held=not is_held)
assert not tstate(state + 'x', is_held=is_held)
assert not tstate(state + 'x')
assert not tstate(is_held=not is_held)
assert not tstate(state + 'x', 'of', 'flux')
@pytest.mark.parametrize(
'state,is_held,should_reset',
[
(None, None, False),
(TASK_STATUS_WAITING, None, False),
(None, True, False),
(TASK_STATUS_WAITING, True, False),
(TASK_STATUS_SUCCEEDED, None, True),
(None, False, True),
(TASK_STATUS_WAITING, False, True),
]
)
def test_reset(state, is_held, should_reset):
"""Test that tasks do or don't have their state changed."""
tdef = TaskDef('foo', {}, '123', '123')
# create task state:
# * status: waiting
# * is_held: true
tstate = TaskState(tdef, '123', TASK_STATUS_WAITING, True)
assert tstate.reset(state, is_held) == should_reset
if is_held is not None:
assert tstate.is_held == is_held
if state is not None:
assert tstate.status == state
def test_task_prereq_duplicates(set_cycling_type):
"""Test prerequisite duplicates from multiple recurrences are discarded."""
set_cycling_type()
seq1 = IntegerSequence('R1', "1")
seq2 = IntegerSequence('R/1/P1', "1")
trig = TaskTrigger('a', "1", 'succeeded', None, None, None, None)
dep = Dependency([trig], [trig], False)
tdef = TaskDef('foo', {}, IntegerPoint("1"), IntegerPoint("1"))
tdef.add_dependency(dep, seq1)
tdef.add_dependency(dep, seq2) # duplicate!
tstate = TaskState(tdef, IntegerPoint("1"), TASK_STATUS_WAITING, False)
prereqs = [p._satisfied for p in tstate.prerequisites]
assert prereqs == [{("1", "a", "succeeded"): False}]
def test_task_state_order():
"""Test is_gt and is_gte methods."""
tdef = TaskDef('foo', {}, IntegerPoint("1"), IntegerPoint("1"))
tstate = TaskState(tdef, IntegerPoint("1"), TASK_STATUS_SUBMITTED, False)
assert tstate.is_gt(TASK_STATUS_WAITING)
assert tstate.is_gt(TASK_STATUS_PREPARING)
assert tstate.is_gt(TASK_STATUS_SUBMIT_FAILED)
assert not tstate.is_gt(TASK_STATUS_SUBMITTED)
assert tstate.is_gte(TASK_STATUS_SUBMITTED)
assert not tstate.is_gt(TASK_STATUS_RUNNING)
assert not tstate.is_gte(TASK_STATUS_RUNNING)
def test_get_resolved_dependencies():
prereq1 = Prerequisite(IntegerPoint('2'))
prereq1[('1', 'a', 'x')] = True
prereq1[('1', 'b', 'x')] = False
prereq1[('1', 'c', 'x')] = 'satisfied from database'
prereq1[('1', 'd', 'x')] = 'force satisfied'
prereq2 = Prerequisite(IntegerPoint('2'))
prereq2[('1', 'e', 'succeeded')] = False
prereq2[('1', 'e', 'failed')] = True
task_state = TaskState(
MagicMock(), IntegerPoint('2'), TASK_STATUS_WAITING, False
)
task_state.prerequisites = [prereq1, prereq2]
assert task_state.get_resolved_dependencies() == [
'1/a',
'1/c',
'1/d',
'1/e',
]
@pytest.mark.parametrize(
'itask_run_mode, disable_handlers, expect',
(
('live', True, False),
('live', False, False),
('dummy', True, False),
('dummy', False, False),
('simulation', True, True),
('simulation', False, True),
('skip', True, True),
('skip', False, False),
)
)
def test_disable_task_event_handlers(itask_run_mode, disable_handlers, expect):
"""Conditions under which task event handlers should not be used.
"""
# Construct a fake itask object:
itask = SimpleNamespace(
run_mode=RunMode(itask_run_mode),
platform={'disable task event handlers': disable_handlers},
tdef=SimpleNamespace(
rtconfig={
'skip': {'disable task event handlers': disable_handlers}})
)
# Check method:
assert disable_task_event_handlers(itask) is expect
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