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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 isodate module.
+'''
+import unittest
+import time
+from datetime import datetime, timedelta
+from isodate import strftime
+from isodate import LOCAL
+from isodate import DT_EXT_COMPLETE
+from isodate import tzinfo
+
+
+TEST_CASES = ((datetime(2012, 12, 25, 13, 30, 0, 0, LOCAL), DT_EXT_COMPLETE,
+ "2012-12-25T13:30:00+10:00"),
+ # DST ON
+ (datetime(1999, 12, 25, 13, 30, 0, 0, LOCAL), DT_EXT_COMPLETE,
+ "1999-12-25T13:30:00+11:00"),
+ # microseconds
+ (datetime(2012, 10, 12, 8, 29, 46, 69178),
+ "%Y-%m-%dT%H:%M:%S.%f",
+ "2012-10-12T08:29:46.069178"),
+ (datetime(2012, 10, 12, 8, 29, 46, 691780),
+ "%Y-%m-%dT%H:%M:%S.%f",
+ "2012-10-12T08:29:46.691780"),
+ )
+
+
+def create_testcase(dt, format, expectation):
+ """
+ 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 test ISO date formatting.
+ '''
+
+ # local time zone mock function
+ def localtime_mock(self, secs):
+ """
+ mock time.localtime so that it always returns a time_struct with
+ tm_idst=1
+ """
+ tt = self.ORIG['localtime'](secs)
+ # befor 2000 everything is dst, after 2000 no dst.
+ if tt.tm_year < 2000:
+ dst = 1
+ else:
+ dst = 0
+ tt = (tt.tm_year, tt.tm_mon, tt.tm_mday,
+ tt.tm_hour, tt.tm_min, tt.tm_sec,
+ tt.tm_wday, tt.tm_yday, dst)
+ return time.struct_time(tt)
+
+ def setUp(self):
+ self.ORIG = {}
+ self.ORIG['STDOFFSET'] = tzinfo.STDOFFSET
+ self.ORIG['DSTOFFSET'] = tzinfo.DSTOFFSET
+ self.ORIG['DSTDIFF'] = tzinfo.DSTDIFF
+ self.ORIG['localtime'] = time.localtime
+ # ovveride all saved values with fixtures.
+ # calculate LOCAL TZ offset, so that this test runs in
+ # every time zone
+ tzinfo.STDOFFSET = timedelta(seconds=36000) # assume LOC = +10:00
+ tzinfo.DSTOFFSET = timedelta(seconds=39600) # assume DST = +11:00
+ tzinfo.DSTDIFF = tzinfo.DSTOFFSET - tzinfo.STDOFFSET
+ time.localtime = self.localtime_mock
+
+ def tearDown(self):
+ # restore test fixtures
+ tzinfo.STDOFFSET = self.ORIG['STDOFFSET']
+ tzinfo.DSTOFFSET = self.ORIG['DSTOFFSET']
+ tzinfo.DSTDIFF = self.ORIG['DSTDIFF']
+ time.localtime = self.ORIG['localtime']
+
+ 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,
+ strftime(dt, format))
+ else:
+ self.assertEqual(strftime(dt, format),
+ expectation)
+
+ return unittest.TestLoader().loadTestsFromTestCase(TestDate)
+
+
+def test_suite():
+ '''
+ Construct a TestSuite instance for all test cases.
+ '''
+ suite = unittest.TestSuite()
+ for dt, format, expectation in TEST_CASES:
+ suite.addTest(create_testcase(dt, format, expectation))
+ return suite
+
+
+# load_tests Protocol
+def load_tests(loader, tests, pattern):
+ return test_suite()
+
+if __name__ == '__main__':
+ unittest.main(defaultTest='test_suite')