136 lines
5.1 KiB
Python
136 lines
5.1 KiB
Python
##############################################################################
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# Copyright 2009, Gerhard Weis
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# * Neither the name of the authors nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT
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##############################################################################
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'''
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Test cases for the isodate module.
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'''
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import unittest
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import time
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from datetime import datetime, timedelta
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from isodate import strftime
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from isodate import LOCAL
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from isodate import DT_EXT_COMPLETE
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from isodate import tzinfo
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TEST_CASES = ((datetime(2012, 12, 25, 13, 30, 0, 0, LOCAL), DT_EXT_COMPLETE,
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"2012-12-25T13:30:00+10:00"),
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# DST ON
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(datetime(1999, 12, 25, 13, 30, 0, 0, LOCAL), DT_EXT_COMPLETE,
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"1999-12-25T13:30:00+11:00"),
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# microseconds
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(datetime(2012, 10, 12, 8, 29, 46, 69178),
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"%Y-%m-%dT%H:%M:%S.%f",
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"2012-10-12T08:29:46.069178"),
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(datetime(2012, 10, 12, 8, 29, 46, 691780),
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"%Y-%m-%dT%H:%M:%S.%f",
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"2012-10-12T08:29:46.691780"),
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)
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def create_testcase(dt, format, expectation):
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"""
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Create a TestCase class for a specific test.
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This allows having a separate TestCase for each test tuple from the
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TEST_CASES list, so that a failed test won't stop other tests.
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"""
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class TestDate(unittest.TestCase):
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'''
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A test case template to test ISO date formatting.
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'''
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# local time zone mock function
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def localtime_mock(self, secs):
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"""
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mock time.localtime so that it always returns a time_struct with
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tm_idst=1
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"""
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tt = self.ORIG['localtime'](secs)
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# befor 2000 everything is dst, after 2000 no dst.
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if tt.tm_year < 2000:
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dst = 1
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else:
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dst = 0
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tt = (tt.tm_year, tt.tm_mon, tt.tm_mday,
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tt.tm_hour, tt.tm_min, tt.tm_sec,
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tt.tm_wday, tt.tm_yday, dst)
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return time.struct_time(tt)
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def setUp(self):
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self.ORIG = {}
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self.ORIG['STDOFFSET'] = tzinfo.STDOFFSET
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self.ORIG['DSTOFFSET'] = tzinfo.DSTOFFSET
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self.ORIG['DSTDIFF'] = tzinfo.DSTDIFF
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self.ORIG['localtime'] = time.localtime
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# ovveride all saved values with fixtures.
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# calculate LOCAL TZ offset, so that this test runs in
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# every time zone
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tzinfo.STDOFFSET = timedelta(seconds=36000) # assume LOC = +10:00
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tzinfo.DSTOFFSET = timedelta(seconds=39600) # assume DST = +11:00
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tzinfo.DSTDIFF = tzinfo.DSTOFFSET - tzinfo.STDOFFSET
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time.localtime = self.localtime_mock
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def tearDown(self):
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# restore test fixtures
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tzinfo.STDOFFSET = self.ORIG['STDOFFSET']
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tzinfo.DSTOFFSET = self.ORIG['DSTOFFSET']
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tzinfo.DSTDIFF = self.ORIG['DSTDIFF']
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time.localtime = self.ORIG['localtime']
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def test_format(self):
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'''
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Take date object and create ISO string from it.
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This is the reverse test to test_parse.
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'''
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if expectation is None:
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self.assertRaises(AttributeError,
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strftime(dt, format))
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else:
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self.assertEqual(strftime(dt, format),
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expectation)
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return unittest.TestLoader().loadTestsFromTestCase(TestDate)
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def test_suite():
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'''
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Construct a TestSuite instance for all test cases.
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'''
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suite = unittest.TestSuite()
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for dt, format, expectation in TEST_CASES:
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suite.addTest(create_testcase(dt, format, expectation))
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return suite
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# load_tests Protocol
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def load_tests(loader, tests, pattern):
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return test_suite()
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if __name__ == '__main__':
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unittest.main(defaultTest='test_suite')
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