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date_interval_test.py
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# -*- coding: utf-8 -*-
#
# Copyright 2012-2015 Spotify AB
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import datetime
from helpers import LuigiTestCase, in_parse
import luigi
from luigi.parameter import DateIntervalParameter as DI
class DateIntervalTest(LuigiTestCase):
def test_date(self):
di = DI().parse('2012-01-01')
self.assertEqual(di.dates(), [datetime.date(2012, 1, 1)])
self.assertEqual(di.next().dates(), [datetime.date(2012, 1, 2)])
self.assertEqual(di.prev().dates(), [datetime.date(2011, 12, 31)])
self.assertEqual(str(di), '2012-01-01')
def test_month(self):
di = DI().parse('2012-01')
self.assertEqual(di.dates(), [datetime.date(2012, 1, 1) + datetime.timedelta(i) for i in range(31)])
self.assertEqual(di.next().dates(), [datetime.date(2012, 2, 1) + datetime.timedelta(i) for i in range(29)])
self.assertEqual(di.prev().dates(), [datetime.date(2011, 12, 1) + datetime.timedelta(i) for i in range(31)])
self.assertEqual(str(di), '2012-01')
def test_year(self):
di = DI().parse('2012')
self.assertEqual(di.dates(), [datetime.date(2012, 1, 1) + datetime.timedelta(i) for i in range(366)])
self.assertEqual(di.next().dates(), [datetime.date(2013, 1, 1) + datetime.timedelta(i) for i in range(365)])
self.assertEqual(di.prev().dates(), [datetime.date(2011, 1, 1) + datetime.timedelta(i) for i in range(365)])
self.assertEqual(str(di), '2012')
def test_week(self):
# >>> datetime.date(2012, 1, 1).isocalendar()
# (2011, 52, 7)
# >>> datetime.date(2012, 12, 31).isocalendar()
# (2013, 1, 1)
di = DI().parse('2011-W52')
self.assertEqual(di.dates(), [datetime.date(2011, 12, 26) + datetime.timedelta(i) for i in range(7)])
self.assertEqual(di.next().dates(), [datetime.date(2012, 1, 2) + datetime.timedelta(i) for i in range(7)])
self.assertEqual(str(di), '2011-W52')
di = DI().parse('2013-W01')
self.assertEqual(di.dates(), [datetime.date(2012, 12, 31) + datetime.timedelta(i) for i in range(7)])
self.assertEqual(di.prev().dates(), [datetime.date(2012, 12, 24) + datetime.timedelta(i) for i in range(7)])
self.assertEqual(str(di), '2013-W01')
def test_interval(self):
di = DI().parse('2012-01-01-2012-02-01')
self.assertEqual(di.dates(), [datetime.date(2012, 1, 1) + datetime.timedelta(i) for i in range(31)])
self.assertRaises(NotImplementedError, di.next)
self.assertRaises(NotImplementedError, di.prev)
self.assertEqual(di.to_string(), '2012-01-01-2012-02-01')
def test_exception(self):
self.assertRaises(ValueError, DI().parse, 'xyz')
def test_comparison(self):
a = DI().parse('2011')
b = DI().parse('2013')
c = DI().parse('2012')
self.assertTrue(a < b)
self.assertTrue(a < c)
self.assertTrue(b > c)
d = DI().parse('2012')
self.assertTrue(d == c)
self.assertEqual(d, min(c, b))
self.assertEqual(3, len(set([a, b, c, d])))
def test_comparison_different_types(self):
x = DI().parse('2012')
y = DI().parse('2012-01-01-2013-01-01')
self.assertRaises(TypeError, lambda: x == y)
def test_parameter_parse_and_default(self):
month = luigi.date_interval.Month(2012, 11)
other = luigi.date_interval.Month(2012, 10)
class MyTask(luigi.Task):
di = DI(default=month)
class MyTaskNoDefault(luigi.Task):
di = DI()
self.assertEqual(MyTask().di, month)
in_parse(["MyTask", "--di", "2012-10"],
lambda task: self.assertEqual(task.di, other))
task = MyTask(month)
self.assertEqual(task.di, month)
task = MyTask(di=month)
self.assertEqual(task.di, month)
task = MyTask(other)
self.assertNotEqual(task.di, month)
def fail1():
return MyTaskNoDefault()
self.assertRaises(luigi.parameter.MissingParameterException, fail1)
in_parse(["MyTaskNoDefault", "--di", "2012-10"],
lambda task: self.assertEqual(task.di, other))
def test_hours(self):
d = DI().parse('2015')
self.assertEqual(len(list(d.hours())), 24 * 365)
def test_cmp(self):
operators = [lambda x, y: x == y,
lambda x, y: x != y,
lambda x, y: x < y,
lambda x, y: x > y,
lambda x, y: x <= y,
lambda x, y: x >= y]
dates = [(1, 30, DI().parse('2015-01-01-2015-01-30')),
(1, 15, DI().parse('2015-01-01-2015-01-15')),
(10, 20, DI().parse('2015-01-10-2015-01-20')),
(20, 30, DI().parse('2015-01-20-2015-01-30'))]
for from_a, to_a, di_a in dates:
for from_b, to_b, di_b in dates:
for op in operators:
self.assertEqual(
op((from_a, to_a), (from_b, to_b)),
op(di_a, di_b))