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#!/usr/bin/env python
#
# Copyright (C) 2012 Jay Sigbrandt <jsigbrandt@slb.com>
# Martin Owens <doctormo@gmail.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 3.0 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library.
#
"""
Test crontab usage.
"""
import os
import sys
import unittest
import crontab
from datetime import date, time, datetime, timedelta
try:
from test import test_support
except ImportError:
from test import support as test_support
crontab.LOG.setLevel(crontab.logging.ERROR)
TEST_DIR = os.path.dirname(__file__)
class DummyStdout(object):
def write(self, text):
pass
BASIC = '@hourly firstcommand\n\n'
USER = '\n*/4 * * * * user_command # user_comment\n\n\n'
crontab.CRONCMD = "%s %s" % (sys.executable, os.path.join(TEST_DIR, 'data', 'crontest'))
def flush():
pass
class Attribute(object):
def __init__(self, obj, attr, value):
self.obj = obj
self.attr = attr
self.value = value
def __enter__(self, *args, **kw):
if hasattr(self.obj, self.attr):
self.previous = getattr(self.obj, self.attr)
setattr(self.obj, self.attr, self.value)
def __exit__(self, *args, **kw):
if hasattr(self, 'previous'):
setattr(self.obj, self.attr, self.previous)
else:
delattr(self.obj, self.attr)
class UseTestCase(unittest.TestCase):
"""Test use documentation in crontab."""
def setUp(self):
self.filenames = []
def test_01_empty(self):
"""Open system crontab"""
cron = crontab.CronTab()
self.assertEqual(cron.render(), "")
self.assertEqual(cron.__unicode__(), "")
self.assertEqual(repr(cron), "<Unattached CronTab>")
def test_02_user(self):
"""Open a user's crontab"""
cron = crontab.CronTab(user='basic')
self.assertEqual(cron.render(), BASIC)
self.assertEqual(repr(cron), "<User CronTab 'basic'>")
def test_03_usage(self):
"""Dont modify crontab"""
cron = crontab.CronTab(tab='')
sys.stdout = DummyStdout()
sys.stdout.flush = flush
try:
exec(crontab.__doc__)
except ImportError:
pass
sys.stdout = sys.__stdout__
self.assertEqual(cron.render(), '')
def test_04_username(self):
"""Username is True"""
cron = crontab.CronTab(user=True)
self.assertNotEqual(cron.user, True)
self.assertEqual(cron.render(), USER)
self.assertEqual(repr(cron), "<My CronTab>")
def test_05_nouser(self):
"""Username doesn't exist"""
cron = crontab.CronTab(user='nouser')
self.assertEqual(cron.render(), '')
def test_06_touser(self):
"""Write to user API"""
cron = crontab.CronTab(tab=USER)
self.assertEqual(repr(cron), "<Unattached CronTab>")
cron.write_to_user('bob')
filename = os.path.join(TEST_DIR, 'data', 'spool', 'bob')
self.filenames.append(filename)
self.assertTrue(os.path.exists(filename))
self.assertEqual(repr(cron), "<User CronTab 'bob'>")
def test_06_touser_fail(self):
"""Write to user failed"""
cron = crontab.CronTab(tab=USER)
self.assertRaises(IOError, cron.write_to_user, 'john')
filename = os.path.join(TEST_DIR, 'data', 'spool', 'john')
if os.path.exists(filename):
os.unlink(filename)
self.assertTrue(filename)
def test_07_ioerror_read(self):
"""No filename ioerror"""
with self.assertRaises(IOError):
cron = crontab.CronTab(user='error')
cron.read()
def test_07_ioerror_write(self):
"""User not specified, nowhere to write to"""
cron = crontab.CronTab()
with self.assertRaises(IOError):
cron.write()
def test_08_cronitem(self):
"""CronItem Standalone"""
item = crontab.CronItem.from_line('noline')
self.assertTrue(item.is_enabled())
with self.assertRaises(UnboundLocalError):
item.delete()
item.command = str('nothing')
self.assertEqual(item.render(), '* * * * * nothing')
def test_10_time_object(self):
"""Set slices using time object"""
item = crontab.CronItem(command='cmd')
self.assertEqual(str(item.slices), '* * * * *')
item.setall(time(1, 2))
self.assertEqual(str(item.slices), '2 1 * * *')
self.assertTrue(item.is_valid())
item.setall(time(0, 30, 0, 0))
self.assertEqual(str(item.slices), '30 0 * * *')
self.assertTrue(item.is_valid())
self.assertEqual(str(item), '30 0 * * * cmd')
def test_11_date_object(self):
"""Set slices using date object"""
item = crontab.CronItem(command='cmd')
self.assertEqual(str(item.slices), '* * * * *')
item.setall(date(2010, 6, 7))
self.assertEqual(str(item.slices), '0 0 7 6 *')
self.assertTrue(item.is_valid())
def test_12_datetime_object(self):
"""Set slices using datetime object"""
item = crontab.CronItem(command='cmd')
self.assertEqual(str(item.slices), '* * * * *')
item.setall(datetime(2009, 8, 9, 3, 4))
self.assertTrue(item.is_valid())
self.assertEqual(str(item.slices), '4 3 9 8 *')
def test_20_slice_validation(self):
"""CronSlices class and objects can validate"""
CronSlices = crontab.CronSlices
self.assertTrue(CronSlices('* * * * *').is_valid())
self.assertTrue(CronSlices.is_valid('* * * * *'))
self.assertTrue(CronSlices.is_valid('*/2 * * * *'))
self.assertTrue(CronSlices.is_valid('* 1,2 * * *'))
self.assertTrue(CronSlices.is_valid('* * 1-5 * *'))
self.assertTrue(CronSlices.is_valid('* * * * MON-WED'))
self.assertTrue(CronSlices.is_valid('@reboot'))
sliced = CronSlices('* * * * *')
sliced[0].parts = [300]
self.assertEqual(str(sliced), '300 * * * *')
self.assertFalse(sliced.is_valid())
self.assertFalse(CronSlices.is_valid('P'))
self.assertFalse(CronSlices.is_valid('*/61 * * * *'))
self.assertFalse(CronSlices.is_valid('* 1,300 * * *'))
self.assertFalse(CronSlices.is_valid('* * 50-1 * *'))
self.assertFalse(CronSlices.is_valid('* * * * FRO-TOO'))
self.assertFalse(CronSlices.is_valid('@retool'))
def test_25_open_pipe(self):
"""Test opening pipes"""
from crontab import open_pipe, CRONCMD
pipe = open_pipe(CRONCMD, h=None, a='one', abc='two')
(out, err) = pipe.communicate()
self.assertEqual(err, b'')
self.assertEqual(out, b'--abc=two|-a|-h|one\n')
def test_07_zero_padding(self):
"""Can we get zero padded output"""
cron = crontab.CronTab(tab="02 3-5 2,4 */2 01 cmd")
self.assertEqual(str(cron), '2 3-5 2,4 */2 1 cmd\n')
with Attribute(crontab, 'ZERO_PAD', True):
self.assertEqual(str(cron), '02 03-05 02,04 */2 01 cmd\n')
def test_08_reset_after_daily(self):
"""Can jobs be rescheduled after midnight"""
cron = crontab.CronTab(tab="@daily cmd")
job = cron[0]
self.assertEqual(str(job), '@daily cmd')
job.minute.on(5)
job.hour.on(1)
self.assertEqual(str(job), '5 1 * * * cmd')
def test_09_pre_comment(self):
"""Test use of pre_comments"""
text = """
# Unattached comment
5 * * * 6 some_command
# Attached comment
*/5 * * * * another_command
*/5 * * * * my_command # Other comment
"""
tab = crontab.CronTab(tab=text)
self.assertEqual(tab[0].comment, "")
self.assertEqual(tab[1].comment, "Attached comment")
self.assertEqual(tab[2].comment, "Other comment")
self.assertEqual(tab.render(), text)
def tearDown(self):
for filename in self.filenames:
if os.path.exists(filename):
os.unlink(filename)
if __name__ == '__main__':
test_support.run_unittest(
UseTestCase,
)
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