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# Copyright (C) 2010 Lars Wirzenius
#
# 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/>.
import datetime
import unittest
import obnamlib
class ForgetPolicyParseTests(unittest.TestCase):
def setUp(self):
self.fp = obnamlib.ForgetPolicy()
def test_raises_error_for_empty_string(self):
self.assertRaises(obnamlib.ObnamError, self.fp.parse, '')
def test_raises_error_for_unknown_period(self):
self.assertRaises(obnamlib.ObnamError, self.fp.parse, '7x')
def test_raises_error_if_period_is_duplicated(self):
self.assertRaises(obnamlib.ObnamError, self.fp.parse, '1h,2h')
def test_raises_error_rules_not_separated_by_comma(self):
self.assertRaises(obnamlib.ObnamError, self.fp.parse, '1h 2d')
def test_parses_single_rule(self):
self.assertEqual(self.fp.parse('7d'),
{ 'hourly': 0,
'daily': 7,
'weekly': 0,
'monthly': 0,
'yearly': 0 })
def test_parses_multiple_rules(self):
self.assertEqual(self.fp.parse('1h,2d,3w,4m,255y'),
{ 'hourly': 1,
'daily': 2,
'weekly': 3,
'monthly': 4,
'yearly': 255 })
class ForgetPolicyMatchTests(unittest.TestCase):
def setUp(self):
self.fp = obnamlib.ForgetPolicy()
def match2(self, spec, times):
rules = self.fp.parse(spec)
return [dt for i, dt in self.fp.match(rules, list(enumerate(times)))]
def test_hourly_matches(self):
h0m0 = datetime.datetime(2000, 1, 1, 0, 0)
h0m59 = datetime.datetime(2000, 1, 1, 0, 59)
h1m0 = datetime.datetime(2000, 1, 1, 1, 0)
h1m59 = datetime.datetime(2000, 1, 1, 1, 59)
self.assertEqual(self.match2('1h', [h0m0, h0m59, h1m0, h1m59]),
[h1m59])
def test_two_hourly_matches(self):
h0m0 = datetime.datetime(2000, 1, 1, 0, 0)
h0m59 = datetime.datetime(2000, 1, 1, 0, 59)
h1m0 = datetime.datetime(2000, 1, 1, 1, 0)
h1m59 = datetime.datetime(2000, 1, 1, 1, 59)
self.assertEqual(self.match2('2h', [h0m0, h0m59, h1m0, h1m59]),
[h0m59, h1m59])
def test_daily_matches(self):
d1h0 = datetime.datetime(2000, 1, 1, 0, 0)
d1h23 = datetime.datetime(2000, 1, 1, 23, 0)
d2h0 = datetime.datetime(2000, 1, 2, 0, 0)
d2h23 = datetime.datetime(2000, 1, 2, 23, 0)
self.assertEqual(self.match2('1d', [d1h0, d1h23, d2h0, d2h23]),
[d2h23])
# Not testing weekly matching, since I can't figure out to make
# a sensible test case right now.
def test_monthly_matches(self):
m1d1 = datetime.datetime(2000, 1, 1, 0, 0)
m1d28 = datetime.datetime(2000, 1, 28, 0, 0)
m2d1 = datetime.datetime(2000, 2, 1, 0, 0)
m2d28 = datetime.datetime(2000, 2, 28, 0, 0)
self.assertEqual(self.match2('1m', [m1d1, m1d28, m2d1, m2d28]),
[m2d28])
def test_yearly_matches(self):
y1m1 = datetime.datetime(2000, 1, 1, 0, 0)
y1m12 = datetime.datetime(2000, 12, 1, 0, 0)
y2m1 = datetime.datetime(2001, 1, 1, 0, 0)
y2m12 = datetime.datetime(2001, 12, 1, 0, 0)
self.assertEqual(self.match2('1y', [y1m1, y1m12, y2m1, y2m12]),
[y2m12])
def test_hourly_and_daily_match_together(self):
d1h0m0 = datetime.datetime(2000, 1, 1, 0, 0)
d1h0m1 = datetime.datetime(2000, 1, 1, 0, 1)
d2h0m0 = datetime.datetime(2000, 1, 2, 0, 0)
d2h0m1 = datetime.datetime(2000, 1, 2, 0, 1)
d3h0m0 = datetime.datetime(2000, 1, 3, 0, 0)
d3h0m1 = datetime.datetime(2000, 1, 3, 0, 1)
genlist = list(enumerate([d1h0m0, d1h0m1, d2h0m0, d2h0m1,
d3h0m0, d3h0m1]))
rules = self.fp.parse('1h,2d')
self.assertEqual([dt for genid, dt in self.fp.match(rules, genlist)],
[d2h0m1, d3h0m1])
def test_hourly_and_daily_together_when_only_daily_backups(self):
d1 = datetime.datetime(2000, 1, 1, 0, 0)
d2 = datetime.datetime(2000, 1, 2, 0, 0)
d3 = datetime.datetime(2000, 1, 3, 0, 0)
self.assertEqual(self.match2('10h,1d', [d1, d2, d3]),
[d1, d2, d3])
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