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

133 lines
5.9 KiB
Python

##############################################################################
# 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
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##############################################################################
'''
Test cases for the isodate module.
'''
import unittest
from datetime import date
from isodate import parse_date, ISO8601Error, date_isoformat
from isodate import DATE_CENTURY, DATE_YEAR
from isodate import DATE_BAS_MONTH, DATE_EXT_MONTH
from isodate import DATE_EXT_COMPLETE, DATE_BAS_COMPLETE
from isodate import DATE_BAS_ORD_COMPLETE, DATE_EXT_ORD_COMPLETE
from isodate import DATE_BAS_WEEK, DATE_BAS_WEEK_COMPLETE
from isodate import DATE_EXT_WEEK, DATE_EXT_WEEK_COMPLETE
# the following list contains tuples of ISO date strings and the expected
# result from the parse_date method. A result of None means an ISO8601Error
# is expected. The test cases are grouped into dates with 4 digit years
# and 6 digit years.
TEST_CASES = {4: [('19', date(1901, 1, 1), DATE_CENTURY),
('1985', date(1985, 1, 1), DATE_YEAR),
('1985-04', date(1985, 4, 1), DATE_EXT_MONTH),
('198504', date(1985, 4, 1), DATE_BAS_MONTH),
('1985-04-12', date(1985, 4, 12), DATE_EXT_COMPLETE),
('19850412', date(1985, 4, 12), DATE_BAS_COMPLETE),
('1985102', date(1985, 4, 12), DATE_BAS_ORD_COMPLETE),
('1985-102', date(1985, 4, 12), DATE_EXT_ORD_COMPLETE),
('1985W155', date(1985, 4, 12), DATE_BAS_WEEK_COMPLETE),
('1985-W15-5', date(1985, 4, 12), DATE_EXT_WEEK_COMPLETE),
('1985W15', date(1985, 4, 8), DATE_BAS_WEEK),
('1985-W15', date(1985, 4, 8), DATE_EXT_WEEK),
('1989-W15', date(1989, 4, 10), DATE_EXT_WEEK),
('1989-W15-5', date(1989, 4, 14), DATE_EXT_WEEK_COMPLETE),
('1-W1-1', None, DATE_BAS_WEEK_COMPLETE)],
6: [('+0019', date(1901, 1, 1), DATE_CENTURY),
('+001985', date(1985, 1, 1), DATE_YEAR),
('+001985-04', date(1985, 4, 1), DATE_EXT_MONTH),
('+001985-04-12', date(1985, 4, 12), DATE_EXT_COMPLETE),
('+0019850412', date(1985, 4, 12), DATE_BAS_COMPLETE),
('+001985102', date(1985, 4, 12), DATE_BAS_ORD_COMPLETE),
('+001985-102', date(1985, 4, 12), DATE_EXT_ORD_COMPLETE),
('+001985W155', date(1985, 4, 12), DATE_BAS_WEEK_COMPLETE),
('+001985-W15-5', date(1985, 4, 12), DATE_EXT_WEEK_COMPLETE),
('+001985W15', date(1985, 4, 8), DATE_BAS_WEEK),
('+001985-W15', date(1985, 4, 8), DATE_EXT_WEEK)]}
def create_testcase(yeardigits, datestring, expectation, format):
'''
Create a TestCase class for a specific test.
This allows having a separate TestCase for each test tuple from the
TEST_CASES list, so that a failed test won't stop other tests.
'''
class TestDate(unittest.TestCase):
'''
A test case template to parse an ISO date string into a date
object.
'''
def test_parse(self):
'''
Parse an ISO date string and compare it to the expected value.
'''
if expectation is None:
self.assertRaises(ISO8601Error, parse_date, datestring,
yeardigits)
else:
result = parse_date(datestring, yeardigits)
self.assertEqual(result, expectation)
def test_format(self):
'''
Take date object and create ISO string from it.
This is the reverse test to test_parse.
'''
if expectation is None:
self.assertRaises(AttributeError,
date_isoformat, expectation, format,
yeardigits)
else:
self.assertEqual(date_isoformat(expectation, format,
yeardigits),
datestring)
return unittest.TestLoader().loadTestsFromTestCase(TestDate)
def test_suite():
'''
Construct a TestSuite instance for all test cases.
'''
suite = unittest.TestSuite()
for yeardigits, tests in TEST_CASES.items():
for datestring, expectation, format in tests:
suite.addTest(create_testcase(yeardigits, datestring,
expectation, format))
return suite
# load_tests Protocol
def load_tests(loader, tests, pattern):
return test_suite()
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')