celery/celery/tests/bin/test_beat.py

from __future__ import absolute_import, unicode_literals

import logging
import sys

from celery import beat
from celery import platforms
from celery.bin import beat as beat_bin
from celery.apps import beat as beatapp

from celery.tests.case import AppCase, Mock, mock, patch


class MockBeat(beatapp.Beat):
    Service = Mock(
        name='MockBeat.Service',
        return_value=Mock(name='MockBeat()', max_interval=3.3),
    )


class test_Beat(AppCase):

    def test_loglevel_string(self):
        b = beatapp.Beat(app=self.app, loglevel='DEBUG',
                         redirect_stdouts=False)
        self.assertEqual(b.loglevel, logging.DEBUG)

        b2 = beatapp.Beat(app=self.app, loglevel=logging.DEBUG,
                          redirect_stdouts=False)
        self.assertEqual(b2.loglevel, logging.DEBUG)

    def test_colorize(self):
        self.app.log.setup = Mock()
        b = beatapp.Beat(app=self.app, no_color=True,
                         redirect_stdouts=False)
        b.setup_logging()
        self.app.log.setup.assert_called()
        self.assertEqual(self.app.log.setup.call_args[1]['colorize'], False)

    def test_init_loader(self):
        b = beatapp.Beat(app=self.app, redirect_stdouts=False)
        b.init_loader()

    def test_process_title(self):
        b = beatapp.Beat(app=self.app, redirect_stdouts=False)
        b.set_process_title()

    def test_run(self):
        b = MockBeat(app=self.app, redirect_stdouts=False)
        b.install_sync_handler = Mock(name='beat.install_sync_handler')
        b.Service.return_value.max_interval = 3.0
        b.run()
        b.Service().start.assert_called_with()

    def psig(self, fun, *args, **kwargs):
        handlers = {}

        class Signals(platforms.Signals):

            def __setitem__(self, sig, handler):
                handlers[sig] = handler

        p, platforms.signals = platforms.signals, Signals()
        try:
            fun(*args, **kwargs)
            return handlers
        finally:
            platforms.signals = p

    def test_install_sync_handler(self):
        b = beatapp.Beat(app=self.app, redirect_stdouts=False)
        clock = beat.Service(app=self.app)
        clock.start = Mock(name='beat.Service().start')
        clock.sync = Mock(name='beat.Service().sync')
        handlers = self.psig(b.install_sync_handler, clock)
        with self.assertRaises(SystemExit):
            handlers['SIGINT']('SIGINT', object())
        clock.sync.assert_called_with()

    @mock.restore_logging()
    def test_setup_logging(self):
        try:
            # py3k
            delattr(sys.stdout, 'logger')
        except AttributeError:
            pass
        b = beatapp.Beat(app=self.app, redirect_stdouts=False)
        b.redirect_stdouts = False
        b.app.log.already_setup = False
        b.setup_logging()
        with self.assertRaises(AttributeError):
            sys.stdout.logger

    import sys
    orig_stdout = sys.__stdout__

    @patch('celery.apps.beat.logger')
    @mock.restore_logging()
    @mock.stdouts
    def test_logs_errors(self, logger, stdout, stderr):
        b = MockBeat(
            app=self.app, redirect_stdouts=False, socket_timeout=None,
        )
        b.install_sync_handler = Mock('beat.install_sync_handler')
        b.install_sync_handler.side_effect = RuntimeError('xxx')
        with self.assertRaises(RuntimeError):
            b.start_scheduler()
        logger.critical.assert_called()

    @patch('celery.platforms.create_pidlock')
    @mock.stdouts
    def test_using_pidfile(self, create_pidlock, stdout, stderr):
        b = MockBeat(app=self.app, pidfile='pidfilelockfilepid',
                     socket_timeout=None, redirect_stdouts=False)
        b.install_sync_handler = Mock(name='beat.install_sync_handler')
        b.start_scheduler()
        create_pidlock.assert_called()


class test_div(AppCase):

    def setup(self):
        self.Beat = self.app.Beat = self.patch('celery.apps.beat.Beat')
        self.detached = self.patch('celery.bin.beat.detached')
        self.Beat.__name__ = 'Beat'

    def test_main(self):
        sys.argv = [sys.argv[0], '-s', 'foo']
        beat_bin.main(app=self.app)
        self.Beat().run.assert_called_with()

    def test_detach(self):
        cmd = beat_bin.beat()
        cmd.app = self.app
        cmd.run(detach=True)
        self.detached.assert_called()

    def test_parse_options(self):
        cmd = beat_bin.beat()
        cmd.app = self.app
        options, args = cmd.parse_options('celery beat', ['-s', 'foo'])
        self.assertEqual(options.schedule, 'foo')