dbt-selly/dbt-env/lib/python3.8/site-packages/isodate/tests/test_duration.py

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##############################################################################
# Copyright 2009, Gerhard Weis
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# * Neither the name of the authors nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT
##############################################################################
'''
Test cases for the isoduration module.
'''
import unittest
import operator
from datetime import timedelta, date, datetime
from isodate import Duration, parse_duration, ISO8601Error
from isodate import D_DEFAULT, D_WEEK, D_ALT_EXT, duration_isoformat
# the following list contains tuples of ISO duration strings and the expected
# result from the parse_duration method. A result of None means an ISO8601Error
# is expected.
PARSE_TEST_CASES = {'P18Y9M4DT11H9M8S': (Duration(4, 8, 0, 0, 9, 11, 0, 9, 18),
D_DEFAULT, None),
'P2W': (timedelta(weeks=2), D_WEEK, None),
'P3Y6M4DT12H30M5S': (Duration(4, 5, 0, 0, 30, 12, 0, 6, 3),
D_DEFAULT, None),
'P23DT23H': (timedelta(hours=23, days=23),
D_DEFAULT, None),
'P4Y': (Duration(years=4), D_DEFAULT, None),
'P1M': (Duration(months=1), D_DEFAULT, None),
'PT1M': (timedelta(minutes=1), D_DEFAULT, None),
'P0.5Y': (Duration(years=0.5), D_DEFAULT, None),
'PT36H': (timedelta(hours=36), D_DEFAULT, 'P1DT12H'),
'P1DT12H': (timedelta(days=1, hours=12), D_DEFAULT, None),
'+P11D': (timedelta(days=11), D_DEFAULT, 'P11D'),
'-P2W': (timedelta(weeks=-2), D_WEEK, None),
'-P2.2W': (timedelta(weeks=-2.2), D_DEFAULT,
'-P15DT9H36M'),
'P1DT2H3M4S': (timedelta(days=1, hours=2, minutes=3,
seconds=4), D_DEFAULT, None),
'P1DT2H3M': (timedelta(days=1, hours=2, minutes=3),
D_DEFAULT, None),
'P1DT2H': (timedelta(days=1, hours=2), D_DEFAULT, None),
'PT2H': (timedelta(hours=2), D_DEFAULT, None),
'PT2.3H': (timedelta(hours=2.3), D_DEFAULT, 'PT2H18M'),
'PT2H3M4S': (timedelta(hours=2, minutes=3, seconds=4),
D_DEFAULT, None),
'PT3M4S': (timedelta(minutes=3, seconds=4), D_DEFAULT,
None),
'PT22S': (timedelta(seconds=22), D_DEFAULT, None),
'PT22.22S': (timedelta(seconds=22.22), 'PT%S.%fS',
'PT22.220000S'),
'-P2Y': (Duration(years=-2), D_DEFAULT, None),
'-P3Y6M4DT12H30M5S': (Duration(-4, -5, 0, 0, -30, -12, 0,
-6, -3), D_DEFAULT, None),
'-P1DT2H3M4S': (timedelta(days=-1, hours=-2, minutes=-3,
seconds=-4), D_DEFAULT, None),
# alternative format
'P0018-09-04T11:09:08': (Duration(4, 8, 0, 0, 9, 11, 0, 9,
18), D_ALT_EXT, None),
# 'PT000022.22': timedelta(seconds=22.22),
}
# d1 d2 '+', '-', '>'
# A list of test cases to test addition and subtraction between datetime and
# Duration objects.
# each tuple contains 2 duration strings, and a result string for addition and
# one for subtraction. The last value says, if the first duration is greater
# than the second.
MATH_TEST_CASES = (('P5Y7M1DT9H45M16.72S', 'PT27M24.68S',
'P5Y7M1DT10H12M41.4S', 'P5Y7M1DT9H17M52.04S', None),
('PT28M12.73S', 'PT56M29.92S',
'PT1H24M42.65S', '-PT28M17.19S', False),
('P3Y7M23DT5H25M0.33S', 'PT1H1.95S',
'P3Y7M23DT6H25M2.28S', 'P3Y7M23DT4H24M58.38S', None),
('PT1H1.95S', 'P3Y7M23DT5H25M0.33S',
'P3Y7M23DT6H25M2.28S', '-P3Y7M23DT4H24M58.38S', None),
('P1332DT55M0.33S', 'PT1H1.95S',
'P1332DT1H55M2.28S', 'P1331DT23H54M58.38S', True),
('PT1H1.95S', 'P1332DT55M0.33S',
'P1332DT1H55M2.28S', '-P1331DT23H54M58.38S', False))
# A list of test cases to test addition and subtraction of date/datetime
# and Duration objects. They are tested against the results of an
# equal long timedelta duration.
DATE_TEST_CASES = ((date(2008, 2, 29),
timedelta(days=10, hours=12, minutes=20),
Duration(days=10, hours=12, minutes=20)),
(date(2008, 1, 31),
timedelta(days=10, hours=12, minutes=20),
Duration(days=10, hours=12, minutes=20)),
(datetime(2008, 2, 29),
timedelta(days=10, hours=12, minutes=20),
Duration(days=10, hours=12, minutes=20)),
(datetime(2008, 1, 31),
timedelta(days=10, hours=12, minutes=20),
Duration(days=10, hours=12, minutes=20)),
(datetime(2008, 4, 21),
timedelta(days=10, hours=12, minutes=20),
Duration(days=10, hours=12, minutes=20)),
(datetime(2008, 5, 5),
timedelta(days=10, hours=12, minutes=20),
Duration(days=10, hours=12, minutes=20)),
(datetime(2000, 1, 1),
timedelta(hours=-33),
Duration(hours=-33)),
(datetime(2008, 5, 5),
Duration(years=1, months=1, days=10, hours=12,
minutes=20),
Duration(months=13, days=10, hours=12, minutes=20)),
(datetime(2000, 3, 30),
Duration(years=1, months=1, days=10, hours=12,
minutes=20),
Duration(months=13, days=10, hours=12, minutes=20)),
)
# A list of test cases of additon of date/datetime and Duration. The results
# are compared against a given expected result.
DATE_CALC_TEST_CASES = (
(date(2000, 2, 1),
Duration(years=1, months=1),
date(2001, 3, 1)),
(date(2000, 2, 29),
Duration(years=1, months=1),
date(2001, 3, 29)),
(date(2000, 2, 29),
Duration(years=1),
date(2001, 2, 28)),
(date(1996, 2, 29),
Duration(years=4),
date(2000, 2, 29)),
(date(2096, 2, 29),
Duration(years=4),
date(2100, 2, 28)),
(date(2000, 2, 1),
Duration(years=-1, months=-1),
date(1999, 1, 1)),
(date(2000, 2, 29),
Duration(years=-1, months=-1),
date(1999, 1, 29)),
(date(2000, 2, 1),
Duration(years=1, months=1, days=1),
date(2001, 3, 2)),
(date(2000, 2, 29),
Duration(years=1, months=1, days=1),
date(2001, 3, 30)),
(date(2000, 2, 29),
Duration(years=1, days=1),
date(2001, 3, 1)),
(date(1996, 2, 29),
Duration(years=4, days=1),
date(2000, 3, 1)),
(date(2096, 2, 29),
Duration(years=4, days=1),
date(2100, 3, 1)),
(date(2000, 2, 1),
Duration(years=-1, months=-1, days=-1),
date(1998, 12, 31)),
(date(2000, 2, 29),
Duration(years=-1, months=-1, days=-1),
date(1999, 1, 28)),
(date(2001, 4, 1),
Duration(years=-1, months=-1, days=-1),
date(2000, 2, 29)),
(date(2000, 4, 1),
Duration(years=-1, months=-1, days=-1),
date(1999, 2, 28)),
(Duration(years=1, months=2),
Duration(years=0, months=0, days=1),
Duration(years=1, months=2, days=1)),
(Duration(years=-1, months=-1, days=-1),
date(2000, 4, 1),
date(1999, 2, 28)),
(Duration(years=1, months=1, weeks=5),
date(2000, 1, 30),
date(2001, 4, 4)),
(parse_duration("P1Y1M5W"),
date(2000, 1, 30),
date(2001, 4, 4)),
(parse_duration("P0.5Y"),
date(2000, 1, 30),
None),
(Duration(years=1, months=1, hours=3),
datetime(2000, 1, 30, 12, 15, 00),
datetime(2001, 2, 28, 15, 15, 00)),
(parse_duration("P1Y1MT3H"),
datetime(2000, 1, 30, 12, 15, 00),
datetime(2001, 2, 28, 15, 15, 00)),
(Duration(years=1, months=2),
timedelta(days=1),
Duration(years=1, months=2, days=1)),
(timedelta(days=1),
Duration(years=1, months=2),
Duration(years=1, months=2, days=1)),
(datetime(2008, 1, 1, 0, 2),
Duration(months=1),
datetime(2008, 2, 1, 0, 2)),
(datetime.strptime("200802", "%Y%M"),
parse_duration("P1M"),
datetime(2008, 2, 1, 0, 2)),
(datetime(2008, 2, 1),
Duration(months=1),
datetime(2008, 3, 1)),
(datetime.strptime("200802", "%Y%m"),
parse_duration("P1M"),
datetime(2008, 3, 1)),
# (date(2000, 1, 1),
# Duration(years=1.5),
# date(2001, 6, 1)),
# (date(2000, 1, 1),
# Duration(years=1, months=1.5),
# date(2001, 2, 14)),
)
# A list of test cases of multiplications of durations
# are compared against a given expected result.
DATE_MUL_TEST_CASES = (
(Duration(years=1, months=1),
3,
Duration(years=3, months=3)),
(Duration(years=1, months=1),
-3,
Duration(years=-3, months=-3)),
(3,
Duration(years=1, months=1),
Duration(years=3, months=3)),
(-3,
Duration(years=1, months=1),
Duration(years=-3, months=-3)),
(5,
Duration(years=2, minutes=40),
Duration(years=10, hours=3, minutes=20)),
(-5,
Duration(years=2, minutes=40),
Duration(years=-10, hours=-3, minutes=-20)),
(7,
Duration(years=1, months=2, weeks=40),
Duration(years=8, months=2, weeks=280)))
class DurationTest(unittest.TestCase):
'''
This class tests various other aspects of the isoduration module,
which are not covered with the test cases listed above.
'''
def test_associative(self):
'''
Adding 2 durations to a date is not associative.
'''
days1 = Duration(days=1)
months1 = Duration(months=1)
start = date(2000, 3, 30)
res1 = start + days1 + months1
res2 = start + months1 + days1
self.assertNotEqual(res1, res2)
def test_typeerror(self):
'''
Test if TypError is raised with certain parameters.
'''
self.assertRaises(TypeError, parse_duration, date(2000, 1, 1))
self.assertRaises(TypeError, operator.sub, Duration(years=1),
date(2000, 1, 1))
self.assertRaises(TypeError, operator.sub, 'raise exc',
Duration(years=1))
self.assertRaises(TypeError, operator.add,
Duration(years=1, months=1, weeks=5),
'raise exception')
self.assertRaises(TypeError, operator.add, 'raise exception',
Duration(years=1, months=1, weeks=5))
self.assertRaises(TypeError, operator.mul,
Duration(years=1, months=1, weeks=5),
'raise exception')
self.assertRaises(TypeError, operator.mul, 'raise exception',
Duration(years=1, months=1, weeks=5))
self.assertRaises(TypeError, operator.mul,
Duration(years=1, months=1, weeks=5),
3.14)
self.assertRaises(TypeError, operator.mul, 3.14,
Duration(years=1, months=1, weeks=5))
def test_parseerror(self):
'''
Test for unparseable duration string.
'''
self.assertRaises(ISO8601Error, parse_duration, 'T10:10:10')
def test_repr(self):
'''
Test __repr__ and __str__ for Duration objects.
'''
dur = Duration(10, 10, years=10, months=10)
self.assertEqual('10 years, 10 months, 10 days, 0:00:10', str(dur))
self.assertEqual('isodate.duration.Duration(10, 10, 0,'
' years=10, months=10)', repr(dur))
dur = Duration(months=0)
self.assertEqual('0:00:00', str(dur))
dur = Duration(months=1)
self.assertEqual('1 month, 0:00:00', str(dur))
def test_hash(self):
'''
Test __hash__ for Duration objects.
'''
dur1 = Duration(10, 10, years=10, months=10)
dur2 = Duration(9, 9, years=9, months=9)
dur3 = Duration(10, 10, years=10, months=10)
self.assertNotEqual(hash(dur1), hash(dur2))
self.assertNotEqual(id(dur1), id(dur2))
self.assertEqual(hash(dur1), hash(dur3))
self.assertNotEqual(id(dur1), id(dur3))
durSet = set()
durSet.add(dur1)
durSet.add(dur2)
durSet.add(dur3)
self.assertEqual(len(durSet), 2)
def test_neg(self):
'''
Test __neg__ for Duration objects.
'''
self.assertEqual(-Duration(0), Duration(0))
self.assertEqual(-Duration(years=1, months=1),
Duration(years=-1, months=-1))
self.assertEqual(-Duration(years=1, months=1), Duration(months=-13))
self.assertNotEqual(-Duration(years=1), timedelta(days=-365))
self.assertNotEqual(-timedelta(days=365), Duration(years=-1))
# FIXME: this test fails in python 3... it seems like python3
# treats a == b the same b == a
# self.assertNotEqual(-timedelta(days=10), -Duration(days=10))
def test_format(self):
'''
Test various other strftime combinations.
'''
self.assertEqual(duration_isoformat(Duration(0)), 'P0D')
self.assertEqual(duration_isoformat(-Duration(0)), 'P0D')
self.assertEqual(duration_isoformat(Duration(seconds=10)), 'PT10S')
self.assertEqual(duration_isoformat(Duration(years=-1, months=-1)),
'-P1Y1M')
self.assertEqual(duration_isoformat(-Duration(years=1, months=1)),
'-P1Y1M')
self.assertEqual(duration_isoformat(-Duration(years=-1, months=-1)),
'P1Y1M')
self.assertEqual(duration_isoformat(-Duration(years=-1, months=-1)),
'P1Y1M')
dur = Duration(years=3, months=7, days=23, hours=5, minutes=25,
milliseconds=330)
self.assertEqual(duration_isoformat(dur), 'P3Y7M23DT5H25M0.33S')
self.assertEqual(duration_isoformat(-dur), '-P3Y7M23DT5H25M0.33S')
def test_equal(self):
'''
Test __eq__ and __ne__ methods.
'''
self.assertEqual(Duration(years=1, months=1),
Duration(years=1, months=1))
self.assertEqual(Duration(years=1, months=1), Duration(months=13))
self.assertNotEqual(Duration(years=1, months=2),
Duration(years=1, months=1))
self.assertNotEqual(Duration(years=1, months=1), Duration(months=14))
self.assertNotEqual(Duration(years=1), timedelta(days=365))
self.assertFalse(Duration(years=1, months=1) !=
Duration(years=1, months=1))
self.assertFalse(Duration(years=1, months=1) != Duration(months=13))
self.assertTrue(Duration(years=1, months=2) !=
Duration(years=1, months=1))
self.assertTrue(Duration(years=1, months=1) != Duration(months=14))
self.assertTrue(Duration(years=1) != timedelta(days=365))
self.assertEqual(Duration(days=1), timedelta(days=1))
# FIXME: this test fails in python 3... it seems like python3
# treats a != b the same b != a
# self.assertNotEqual(timedelta(days=1), Duration(days=1))
def test_totimedelta(self):
'''
Test conversion form Duration to timedelta.
'''
dur = Duration(years=1, months=2, days=10)
self.assertEqual(dur.totimedelta(datetime(1998, 2, 25)),
timedelta(434))
# leap year has one day more in february
self.assertEqual(dur.totimedelta(datetime(2000, 2, 25)),
timedelta(435))
dur = Duration(months=2)
# march is longer than february, but april is shorter than
# march (cause only one day difference compared to 2)
self.assertEqual(dur.totimedelta(datetime(2000, 2, 25)), timedelta(60))
self.assertEqual(dur.totimedelta(datetime(2001, 2, 25)), timedelta(59))
self.assertEqual(dur.totimedelta(datetime(2001, 3, 25)), timedelta(61))
def create_parsetestcase(durationstring, expectation, format, altstr):
"""
Create a TestCase class for a specific test.
This allows having a separate TestCase for each test tuple from the
PARSE_TEST_CASES list, so that a failed test won't stop other tests.
"""
class TestParseDuration(unittest.TestCase):
'''
A test case template to parse an ISO duration string into a
timedelta or Duration object.
'''
def test_parse(self):
'''
Parse an ISO duration string and compare it to the expected value.
'''
result = parse_duration(durationstring)
self.assertEqual(result, expectation)
def test_format(self):
'''
Take duration/timedelta object and create ISO string from it.
This is the reverse test to test_parse.
'''
if altstr:
self.assertEqual(duration_isoformat(expectation, format),
altstr)
else:
# if durationstring == '-P2W':
# import pdb; pdb.set_trace()
self.assertEqual(duration_isoformat(expectation, format),
durationstring)
return unittest.TestLoader().loadTestsFromTestCase(TestParseDuration)
def create_mathtestcase(dur1, dur2, resadd, ressub, resge):
"""
Create a TestCase class for a specific test.
This allows having a separate TestCase for each test tuple from the
MATH_TEST_CASES list, so that a failed test won't stop other tests.
"""
dur1 = parse_duration(dur1)
dur2 = parse_duration(dur2)
resadd = parse_duration(resadd)
ressub = parse_duration(ressub)
class TestMathDuration(unittest.TestCase):
'''
A test case template test addition, subtraction and >
operators for Duration objects.
'''
def test_add(self):
'''
Test operator + (__add__, __radd__)
'''
self.assertEqual(dur1 + dur2, resadd)
def test_sub(self):
'''
Test operator - (__sub__, __rsub__)
'''
self.assertEqual(dur1 - dur2, ressub)
def test_ge(self):
'''
Test operator > and <
'''
def dogetest():
''' Test greater than.'''
return dur1 > dur2
def doletest():
''' Test less than.'''
return dur1 < dur2
if resge is None:
self.assertRaises(TypeError, dogetest)
self.assertRaises(TypeError, doletest)
else:
self.assertEqual(dogetest(), resge)
self.assertEqual(doletest(), not resge)
return unittest.TestLoader().loadTestsFromTestCase(TestMathDuration)
def create_datetestcase(start, tdelta, duration):
"""
Create a TestCase class for a specific test.
This allows having a separate TestCase for each test tuple from the
DATE_TEST_CASES list, so that a failed test won't stop other tests.
"""
class TestDateCalc(unittest.TestCase):
'''
A test case template test addition, subtraction
operators for Duration objects.
'''
def test_add(self):
'''
Test operator +.
'''
self.assertEqual(start + tdelta, start + duration)
def test_sub(self):
'''
Test operator -.
'''
self.assertEqual(start - tdelta, start - duration)
return unittest.TestLoader().loadTestsFromTestCase(TestDateCalc)
def create_datecalctestcase(start, duration, expectation):
"""
Create a TestCase class for a specific test.
This allows having a separate TestCase for each test tuple from the
DATE_CALC_TEST_CASES list, so that a failed test won't stop other tests.
"""
class TestDateCalc(unittest.TestCase):
'''
A test case template test addition operators for Duration objects.
'''
def test_calc(self):
'''
Test operator +.
'''
if expectation is None:
self.assertRaises(ValueError, operator.add, start, duration)
else:
self.assertEqual(start + duration, expectation)
return unittest.TestLoader().loadTestsFromTestCase(TestDateCalc)
def create_datemultestcase(operand1, operand2, expectation):
"""
Create a TestCase class for a specific test.
This allows having a separate TestCase for each test tuple from the
DATE_CALC_TEST_CASES list, so that a failed test won't stop other tests.
"""
class TestDateMul(unittest.TestCase):
'''
A test case template test addition operators for Duration objects.
'''
def test_mul(self):
'''
Test operator *.
'''
self.assertEqual(operand1 * operand2, expectation)
return unittest.TestLoader().loadTestsFromTestCase(TestDateMul)
def test_suite():
'''
Return a test suite containing all test defined above.
'''
suite = unittest.TestSuite()
for durationstring, (expectation, format,
altstr) in PARSE_TEST_CASES.items():
suite.addTest(create_parsetestcase(durationstring, expectation,
format, altstr))
for testdata in MATH_TEST_CASES:
suite.addTest(create_mathtestcase(*testdata))
for testdata in DATE_TEST_CASES:
suite.addTest(create_datetestcase(*testdata))
for testdata in DATE_CALC_TEST_CASES:
suite.addTest(create_datecalctestcase(*testdata))
for testdata in DATE_MUL_TEST_CASES:
suite.addTest(create_datemultestcase(*testdata))
suite.addTest(unittest.TestLoader().loadTestsFromTestCase(DurationTest))
return suite
# load_tests Protocol
def load_tests(loader, tests, pattern):
return test_suite()
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')