#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 2015-2019 Bitergia
#
# 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/>.
#
# Authors:
# Santiago Dueñas <sduenas@bitergia.com>
# Miguel Ángel Fernández <mafesan@bitergia.com>
#
import datetime
import os.path
import unittest
import unittest.mock
from dateutil.tz import UTC
from redis.exceptions import RedisError
from perceval.backend import Summary
from arthur.common import Q_CREATION_JOBS, Q_RETRYING_JOBS
from arthur.errors import NotFoundError
from arthur.events import JobEventType, JobEvent
from arthur.jobs import JobResult
from arthur.scheduler import (_TaskScheduler,
CompletedJobHandler,
FailedJobHandler,
StartedJobHandler,
Scheduler)
from arthur.tasks import (ArchivingTaskConfig,
SchedulingTaskConfig,
TaskRegistry,
TaskStatus)
from base import TestBaseRQ
class TestScheduler(TestBaseRQ):
"""Unit tests for Scheduler class"""
def test_schedule_task(self):
"""Jobs should be added and executed"""
args = {
'uri': 'http://example.com/',
'gitpath': os.path.join(self.dir, 'data/git_log.txt')
}
category = 'commit'
archiving_opts = None
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=0)
registry = TaskRegistry(self.conn)
task = registry.add('mytask', 'git', category, args,
archiving_cfg=archiving_opts,
scheduling_cfg=scheduler_opts)
schlr = Scheduler(self.conn, registry, async_mode=False)
schlr.schedule_task(task.task_id)
task = registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
self.assertEqual(task.age, 0)
schlr.schedule()
task = registry.get('mytask')
self.assertEqual(task.age, 1)
job = schlr._scheduler._queues[Q_CREATION_JOBS].fetch_job(task.jobs[0].id)
result = job.return_value
self.assertEqual(result.task_id, task.task_id)
self.assertEqual(result.job_number, 1)
self.assertEqual(result.summary.last_uuid, '1375b60d3c23ac9b81da92523e4144abc4489d4c')
self.assertEqual(result.summary.max_updated_on,
datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC))
self.assertEqual(result.summary.total, 9)
def test_schedule_task_with_reset(self):
"""Task should be added and executing reseting some of its counters"""
args = {
'uri': 'http://example.com/',
'gitpath': os.path.join(self.dir, 'data/git_log.txt')
}
category = 'commit'
archiving_opts = None
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=0)
registry = TaskRegistry(self.conn)
task = registry.add('mytask', 'git', category, args,
archiving_cfg=archiving_opts,
scheduling_cfg=scheduler_opts)
# Force values to some of the counters
task.age = 100
task.num_failures = 5
registry.update('mytask', task)
schlr = Scheduler(self.conn, registry, async_mode=False)
schlr.schedule_task(task.task_id, reset=True)
# Counters were reset
task = registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
self.assertEqual(task.age, 0)
self.assertEqual(task.num_failures, 0)
schlr.schedule()
task = registry.get('mytask')
self.assertEqual(task.age, 1)
job = schlr._scheduler._queues[Q_CREATION_JOBS].fetch_job(task.jobs[0].id)
result = job.return_value
self.assertEqual(result.task_id, task.task_id)
self.assertEqual(result.job_number, 1)
self.assertEqual(result.summary.last_uuid, '1375b60d3c23ac9b81da92523e4144abc4489d4c')
self.assertEqual(result.summary.max_updated_on,
datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC))
self.assertEqual(result.summary.total, 9)
def test_schedule_task_user_queue(self):
"""Task should be added and executed in the user's queue"""
args = {
'uri': 'http://example.com/',
'gitpath': os.path.join(self.dir, 'data/git_log.txt')
}
category = 'commit'
archiving_opts = None
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=0,
queue='myqueue')
registry = TaskRegistry(self.conn)
task = registry.add('mytask', 'git', category, args,
archiving_cfg=archiving_opts,
scheduling_cfg=scheduler_opts)
schlr = Scheduler(self.conn, registry, async_mode=False)
schlr.schedule_task(task.task_id)
task = registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
self.assertEqual(task.age, 0)
schlr.schedule()
task = registry.get('mytask')
self.assertEqual(task.age, 1)
job = schlr._scheduler._queues['myqueue'].fetch_job(task.jobs[0].id)
result = job.return_value
self.assertEqual(result.task_id, task.task_id)
self.assertEqual(result.job_number, 1)
self.assertEqual(result.summary.last_uuid, '1375b60d3c23ac9b81da92523e4144abc4489d4c')
self.assertEqual(result.summary.max_updated_on,
datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC))
self.assertEqual(result.summary.total, 9)
def test_schudule_task_retries_queue(self):
"""Failed task should be rescheduled to the retries queue"""
args = {
'uri': 'http://example.com/',
'gitpath': os.path.join(self.dir, 'data/git_log.txt')
}
category = 'commit'
archiving_opts = None
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=0)
registry = TaskRegistry(self.conn)
task = registry.add('mytask', 'git', category, args,
archiving_cfg=archiving_opts,
scheduling_cfg=scheduler_opts)
task.num_failures = 2 # Force number of failures before scheduling the task
registry.update(task.task_id, task)
schlr = Scheduler(self.conn, registry, async_mode=False)
schlr.schedule_task(task.task_id)
task = registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
self.assertEqual(task.age, 0)
schlr.schedule()
task = registry.get('mytask')
self.assertEqual(task.age, 1)
job = schlr._scheduler._queues[Q_RETRYING_JOBS].fetch_job(task.jobs[0].id)
result = job.return_value
self.assertEqual(result.task_id, task.task_id)
self.assertEqual(result.job_number, 1)
self.assertEqual(result.summary.last_uuid, '1375b60d3c23ac9b81da92523e4144abc4489d4c')
self.assertEqual(result.summary.max_updated_on,
datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC))
self.assertEqual(result.summary.total, 9)
def test_set_job_number(self):
"""Check if the job number is set correctly when a new job is enqueued"""
args = {
'uri': 'http://example.com/',
'gitpath': os.path.join(self.dir, 'data/git_log.txt')
}
category = 'commit'
archiving_opts = None
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=0,
queue='myqueue')
registry = TaskRegistry(self.conn)
task = registry.add('mytask', 'git', category, args,
archiving_cfg=archiving_opts,
scheduling_cfg=scheduler_opts)
schlr = Scheduler(self.conn, registry, async_mode=False)
schlr.schedule_task(task.task_id)
task = registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
self.assertEqual(task.age, 0)
# Modify the list of jobs to pretend this is not the first
# time running this task. Job number will be calculated
# adding one to the length of jobs.
task.jobs = ['A', 'B', 'C']
registry.update('mytask', task)
schlr = Scheduler(self.conn, registry, async_mode=False)
schlr.schedule_task(task.task_id)
task = registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
self.assertEqual(task.age, 0)
schlr.schedule()
task = registry.get('mytask')
self.assertEqual(task.age, 1)
# Get the last job run and check the result
job = schlr._scheduler._queues['myqueue'].fetch_job(task.jobs[3].id)
result = job.return_value
self.assertEqual(result.task_id, task.task_id)
self.assertEqual(result.job_number, 4)
def test_not_found_task(self):
"""Raises an error when the task to schedule does not exist"""
registry = TaskRegistry(self.conn)
schlr = Scheduler(self.conn, registry, async_mode=False)
self.assertRaises(NotFoundError, schlr.schedule_task, 'mytask')
def test_task_jobs_is_updated(self):
"""Test if the list of job ids for a task is updated"""
args = {
'uri': 'http://example.com/',
'gitpath': os.path.join(self.dir, 'data/git_log.txt')
}
category = 'commit'
archiving_opts = None
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=0)
registry = TaskRegistry(self.conn)
task = registry.add('mytask', 'git', category, args,
archiving_cfg=archiving_opts,
scheduling_cfg=scheduler_opts)
schlr = Scheduler(self.conn, registry, async_mode=False)
schlr.schedule_task(task.task_id)
task = registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
self.assertEqual(task.age, 0)
self.assertListEqual(task.jobs, [])
schlr.schedule()
task = registry.get('mytask')
self.assertEqual(task.age, 1)
self.assertEqual(len(task.jobs), 1)
class TestStartedJobHandler(TestBaseRQ):
"""Unit tests for StartedJobHandler"""
def setUp(self):
super().setUp()
self.registry = TaskRegistry(self.conn)
self.task_scheduler = _TaskScheduler(self.registry, self.conn, [])
def test_initialization(self):
"""Check if the handler is correctly initialized"""
handler = StartedJobHandler(self.task_scheduler)
self.assertEqual(handler.task_scheduler, self.task_scheduler)
def test_task_status(self):
"""Check if the handler changes the task status to running"""
handler = StartedJobHandler(self.task_scheduler)
_ = self.registry.add('mytask', 'git', 'commit', {})
event = JobEvent(JobEventType.STARTED, 0, 'mytask', None)
handled = handler(event)
self.assertEqual(handled, True)
task = self.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.RUNNING)
def test_ignore_orphan_event(self):
"""Check if an orphan event is ignored"""
handler = StartedJobHandler(self.task_scheduler)
event = JobEvent(JobEventType.STARTED, 0, 'mytask', None)
handled = handler(event)
self.assertEqual(handled, False)
@unittest.mock.patch('redis.StrictRedis.get')
def test_ignore_event_on_get_task_registry_error(self, mock_redis_get):
"""Check if an event is ignored when a TaskRegistryError is thrown"""
mock_redis_get.side_effect = RedisError
self.task_scheduler.registry.add('mytask', 'git', 'commit', {})
handler = StartedJobHandler(self.task_scheduler)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
event = JobEvent(JobEventType.STARTED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, False)
@unittest.mock.patch('redis.StrictRedis.exists')
def test_ignore_event_on_update_task_registry_error(self, mock_redis_exists):
"""Check if an event is ignored when a TaskRegistryError is thrown"""
mock_redis_exists.side_effect = [False, True, RedisError]
self.task_scheduler.registry.add('mytask', 'git', 'commit', {})
handler = StartedJobHandler(self.task_scheduler)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
event = JobEvent(JobEventType.STARTED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, False)
class TestCompletedJobHandler(TestBaseRQ):
"""Unit tests for CompletedJobHandler"""
def setUp(self):
super().setUp()
self.registry = TaskRegistry(self.conn)
self.task_scheduler = _TaskScheduler(self.registry, self.conn, [])
def test_initialization(self):
"""Check if the handler is correctly initialized"""
handler = CompletedJobHandler(self.task_scheduler)
self.assertEqual(handler.task_scheduler, self.task_scheduler)
def test_task_rescheduling(self):
"""Check if the task related to the event is re-scheduled"""
handler = CompletedJobHandler(self.task_scheduler)
_ = self.registry.add('mytask', 'git', 'commit', {})
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 10
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC)
result.summary = summary
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, True)
task = self.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
def test_task_rescheduling_age(self):
"""Check if the task is re-scheduled when maximum age is set"""
handler = CompletedJobHandler(self.task_scheduler)
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=0, max_age=3)
task = self.registry.add('mytask', 'git', 'commit', {},
scheduling_cfg=scheduler_opts)
# Force the age to be lower than its limit
task.age = 2
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 10
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC)
result.summary = summary
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, True)
task = self.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
def test_task_rescheduling_unlimited_age(self):
"""Check if the task is re-scheduled when unlimited age is set"""
handler = CompletedJobHandler(self.task_scheduler)
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=0, max_age=None)
task = self.registry.add('mytask', 'git', 'commit', {},
scheduling_cfg=scheduler_opts)
# Force the age to be large value
task.age = 1000000
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 10
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC)
result.summary = summary
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, True)
task = self.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
def test_task_not_rescheduled_age_limit(self):
"""Check if the task is not re-scheduled when age reaches its limit"""
handler = CompletedJobHandler(self.task_scheduler)
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=0, max_age=3)
task = self.task_scheduler.registry.add('mytask', 'git', 'commit', {},
scheduling_cfg=scheduler_opts)
# Force the age to its pre-defined limit
task.age = 3
self.task_scheduler.registry.update('mytask', task)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 10
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC)
result.summary = summary
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, True)
task = self.task_scheduler.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.COMPLETED)
def test_task_not_rescheduled_archive_task(self):
"""Check if archive tasks are not rescheduled"""
handler = CompletedJobHandler(self.task_scheduler)
archiving_cfg = ArchivingTaskConfig('/tmp/archive', True)
_ = self.task_scheduler.registry.add('mytask', 'git', 'commit', {}, archiving_cfg=archiving_cfg)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 10
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC)
result.summary = summary
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, True)
task = self.task_scheduler.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.COMPLETED)
def test_task_rescheduled_with_next_from_date(self):
"""Check if tasks are rescheduled updating next_from_date"""
handler = CompletedJobHandler(self.task_scheduler)
_ = self.task_scheduler.registry.add('mytask', 'git', 'commit', {})
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 10
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC)
result.summary = summary
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, True)
task = self.task_scheduler.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
# The field is updated to the max date received
# within the result
self.assertEqual(task.backend_args['next_from_date'],
datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC))
def test_task_rescheduled_with_next_offset(self):
"""Check if tasks are rescheduled updating next_offset"""
handler = CompletedJobHandler(self.task_scheduler)
_ = self.task_scheduler.registry.add('mytask', 'git', 'commit', {})
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 10
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC)
summary.last_offset = 800
summary.max_offset = 1000
result.summary = summary
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, True)
task = self.task_scheduler.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
# Both fields are updated to the max value received
# within the result
self.assertEqual(task.backend_args['next_from_date'],
datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC))
self.assertEqual(task.backend_args['next_offset'], 1000)
def test_task_rescheduled_no_new_items(self):
"""Check if tasks are rescheduled when no items where generated before"""
handler = CompletedJobHandler(self.task_scheduler)
_ = self.task_scheduler.registry.add('mytask', 'git', 'commit', {})
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 0
summary.max_updated_on = None
summary.max_offset = None
result.summary = summary
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, True)
task = self.task_scheduler.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
# Both fields are not updated
self.assertNotIn('next_from_date', task.backend_args)
self.assertNotIn('next_offset', task.backend_args)
def test_task_reset_num_failures(self):
"""Check if the number of failures is reset if the task is successful"""
handler = CompletedJobHandler(self.task_scheduler)
task = self.task_scheduler.registry.add('mytask', 'git', 'commit', {})
# Force to a pre-defined number of failures
task.num_failures = 2
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 10
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC)
result.summary = summary
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, True)
task = self.task_scheduler.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
self.assertEqual(task.num_failures, 0)
def test_ignore_orphan_event(self):
"""Check if an orphan event is ignored"""
handler = CompletedJobHandler(self.task_scheduler)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, False)
@unittest.mock.patch('redis.StrictRedis.get')
def test_ignore_event_on_task_registry_error(self, mock_redis_get):
"""Check if an event is ignored when a TaskRegistryError is thrown"""
mock_redis_get.side_effect = RedisError
self.task_scheduler.registry.add('mytask', 'git', 'commit', {})
handler = CompletedJobHandler(self.task_scheduler)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
event = JobEvent(JobEventType.COMPLETED, 0, 'mytask', result)
handled = handler(event)
self.assertEqual(handled, False)
class TestFailedJobHandler(TestBaseRQ):
"""Unit tests for CompletedJobHandler"""
def setUp(self):
super().setUp()
self.registry = TaskRegistry(self.conn)
self.task_scheduler = _TaskScheduler(self.registry, self.conn, [])
def test_initialization(self):
"""Check if the handler is correctly initialized"""
handler = FailedJobHandler(self.task_scheduler)
self.assertEqual(handler.task_scheduler, self.task_scheduler)
def test_handle_event(self):
"""Check if the event is handled correctly"""
handler = FailedJobHandler(self.task_scheduler)
_ = self.registry.add('mytask', 'git', 'commit', {})
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 2
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
result.summary = summary
payload = {
'error': "Error",
'result': result
}
event = JobEvent(JobEventType.FAILURE, 0, 'mytask', payload)
# It won't be scheduled because max_retries is not set
handled = handler(event)
self.assertEqual(handled, True)
task = self.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.FAILED)
def test_task_not_rescheduled_not_resume(self):
"""Check if tasks unable to resume are not rescheduled"""
handler = FailedJobHandler(self.task_scheduler)
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=3)
task = self.registry.add('mytask', 'gerrit', 'review', {},
scheduling_cfg=scheduler_opts)
result = JobResult(0, 1, 'mytask', 'gerrit', 'review')
summary = Summary()
summary.fetched = 2
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
result.summary = summary
payload = {
'error': "Error",
'result': result
}
event = JobEvent(JobEventType.FAILURE, 0, 'mytask', payload)
handled = handler(event)
self.assertEqual(handled, True)
task = self.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.FAILED)
self.assertEqual(task.num_failures, 1)
def test_failed_task_not_rescheduled_max_retries(self):
"""Check if the task is not re-scheduled when num failures reaches its limit"""
handler = FailedJobHandler(self.task_scheduler)
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=3)
task = self.task_scheduler.registry.add('mytask', 'git', 'commit', {}, scheduling_cfg=scheduler_opts)
# Force to a pre-defined number of failures
task.num_failures = 2
self.task_scheduler.registry.update('mytask', task)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 2
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
result.summary = summary
payload = {
'error': "Error",
'result': result
}
event = JobEvent(JobEventType.FAILURE, 0, 'mytask', payload)
handled = handler(event)
self.assertEqual(handled, True)
task = self.task_scheduler.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.FAILED)
self.assertEqual(task.num_failures, 3)
def test_failed_task_rescheduled_with_next_from_date(self):
"""Check if failed tasks are rescheduled updating next_from_date"""
handler = FailedJobHandler(self.task_scheduler)
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=3)
_ = self.task_scheduler.registry.add('mytask', 'git', 'commit', {}, scheduling_cfg=scheduler_opts)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 2
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC)
result.summary = summary
payload = {
'error': "Error",
'result': result
}
event = JobEvent(JobEventType.FAILURE, 0, 'mytask', payload)
handled = handler(event)
self.assertEqual(handled, True)
task = self.task_scheduler.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
# The field is updated to the max date received
# within the result
self.assertEqual(task.backend_args['next_from_date'],
datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC))
self.assertEqual(task.num_failures, 1)
def test_failed_task_rescheduled_with_next_offset(self):
"""Check if failed tasks are rescheduled updating next_offset"""
handler = FailedJobHandler(self.task_scheduler)
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=3)
_ = self.registry.add('mytask', 'git', 'commit', {}, scheduling_cfg=scheduler_opts)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 2
summary.last_updated_on = datetime.datetime(2010, 1, 1, 1, 0, 0, tzinfo=UTC)
summary.max_updated_on = datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC)
summary.last_offset = 800
summary.max_offset = 1000
result.summary = summary
payload = {
'error': "Error",
'result': result
}
event = JobEvent(JobEventType.FAILURE, 0, 'mytask', payload)
handled = handler(event)
self.assertEqual(handled, True)
task = self.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
# Both fields are updated to the max value received
# within the result
self.assertEqual(task.backend_args['next_from_date'],
datetime.datetime(2014, 2, 12, 6, 10, 39, tzinfo=UTC))
self.assertEqual(task.backend_args['next_offset'], 1000)
self.assertEqual(task.num_failures, 1)
def test_failed_task_rescheduled_no_new_items(self):
"""Check if tasks are rescheduled when no items where generated before"""
handler = FailedJobHandler(self.task_scheduler)
scheduler_opts = SchedulingTaskConfig(delay=0, max_retries=3)
_ = self.task_scheduler.registry.add('mytask', 'git', 'commit', {}, scheduling_cfg=scheduler_opts)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
summary = Summary()
summary.fetched = 0
summary.max_updated_on = None
summary.max_offset = None
result.summary = summary
payload = {
'error': "Error",
'result': result
}
event = JobEvent(JobEventType.FAILURE, 0, 'mytask', payload)
handled = handler(event)
self.assertEqual(handled, True)
task = self.task_scheduler.registry.get('mytask')
self.assertEqual(task.status, TaskStatus.SCHEDULED)
# Both fields are not updated
self.assertNotIn('next_from_date', task.backend_args)
self.assertNotIn('next_offset', task.backend_args)
def test_ignore_orphan_event(self):
"""Check if an orphan event is ignored"""
handler = FailedJobHandler(self.task_scheduler)
result = JobResult(0, 1, 'mytask', 'git', 'commit')
payload = {
'error': "Error",
'result': result
}
event = JobEvent(JobEventType.FAILURE, 0, 'mytask', payload)
handled = handler(event)
self.assertEqual(handled, False)
if __name__ == "__main__":
unittest.main()
