129 lines
6.2 KiB
Python
129 lines
6.2 KiB
Python
import unittest
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import re
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from resync.w3c_datetime import str_to_datetime, datetime_to_str
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def rt(dts):
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""" Do simple round-trip """
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return(datetime_to_str(str_to_datetime(dts)))
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class TestW3cDatetime(unittest.TestCase):
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def test01_datetime_to_str(self):
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"""Writing."""
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self.assertEqual(datetime_to_str(0),
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"1970-01-01T00:00:00Z")
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self.assertEqual(datetime_to_str(0.000001),
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"1970-01-01T00:00:00.000001Z")
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self.assertEqual(datetime_to_str(0.1),
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"1970-01-01T00:00:00.100000Z")
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self.assertEqual(datetime_to_str(1),
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"1970-01-01T00:00:01Z")
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self.assertEqual(datetime_to_str(60),
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"1970-01-01T00:01:00Z")
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self.assertEqual(datetime_to_str(60 * 60),
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"1970-01-01T01:00:00Z")
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self.assertEqual(datetime_to_str(60 * 60 * 24),
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"1970-01-02T00:00:00Z")
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self.assertEqual(datetime_to_str(60 * 60 * 24 * 31),
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"1970-02-01T00:00:00Z")
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self.assertEqual(datetime_to_str(60 * 60 * 24 * 365),
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"1971-01-01T00:00:00Z")
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# Random other datetime
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self.assertEqual(datetime_to_str(1234567890),
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"2009-02-13T23:31:30Z")
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# Rounding issues
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self.assertEqual(datetime_to_str(0.199999),
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"1970-01-01T00:00:00.199999Z")
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self.assertEqual(datetime_to_str(0.1999991),
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"1970-01-01T00:00:00.199999Z")
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self.assertEqual(datetime_to_str(0.1999999),
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"1970-01-01T00:00:00.200000Z")
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self.assertEqual(datetime_to_str(0.200000),
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"1970-01-01T00:00:00.200000Z")
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self.assertEqual(datetime_to_str(0.2000001),
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"1970-01-01T00:00:00.200000Z")
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self.assertEqual(datetime_to_str(0.2000009),
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"1970-01-01T00:00:00.200001Z")
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self.assertEqual(datetime_to_str(0.200001),
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"1970-01-01T00:00:00.200001Z")
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# No fractions
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self.assertEqual(datetime_to_str(100, True),
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"1970-01-01T00:01:40Z")
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self.assertEqual(datetime_to_str(0.2000009, True),
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"1970-01-01T00:00:00Z")
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self.assertEqual(datetime_to_str(0.200001, no_fractions=True),
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"1970-01-01T00:00:00Z")
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def test02_str_to_datetime(self):
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"""Reading."""
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self.assertEqual(str_to_datetime("1970-01-01T00:00:00Z"), 0)
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self.assertEqual(str_to_datetime("1970-01-01T00:00:00.000Z"), 0)
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self.assertEqual(str_to_datetime("1970-01-01T00:00:00+00:00"), 0)
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self.assertEqual(str_to_datetime("1970-01-01T00:00:00-00:00"), 0)
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self.assertEqual(str_to_datetime("1970-01-01T00:00:00.000001Z"), 0.000001)
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self.assertEqual(str_to_datetime("1970-01-01T00:00:00.1Z"), 0.1)
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self.assertEqual(str_to_datetime("1970-01-01T00:00:00.100000Z"), 0.1)
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# Random other datetime
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self.assertEqual(str_to_datetime("2009-02-13T23:31:30Z"), 1234567890)
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def test03_same(self):
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"""Datetime values that are the same."""
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astr = '2012-01-01T00:00:00Z'
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a = str_to_datetime(astr)
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for bstr in ('2012',
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'2012-01',
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'2012-01-01',
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'2012-01-01T00:00Z',
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'2012-01-01T00:00:00Z',
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'2012-01-01T00:00:00.000000Z',
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'2012-01-01T00:00:00.000000000000Z',
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'2012-01-01T00:00:00.000000000001Z', # below resolution
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'2012-01-01T00:00:00.00+00:00',
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'2012-01-01T00:00:00.00-00:00',
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'2012-01-01T02:00:00.00-02:00',
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'2011-12-31T23:00:00.00+01:00'
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):
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b = str_to_datetime(bstr)
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self.assertEqual(a, b, ('%s (%f) == %s (%f)' % (astr, a, bstr, b)))
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def test04_bad_str(self):
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"""Bad formats."""
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self.assertRaises(ValueError, str_to_datetime, "bad_lastmod")
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self.assertRaises(ValueError, str_to_datetime, "")
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self.assertRaises(ValueError, str_to_datetime, "2012-13-01")
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self.assertRaises(ValueError, str_to_datetime, "2012-12-32")
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self.assertRaises(ValueError, str_to_datetime, "2012-11-01T10:10:60")
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self.assertRaises(ValueError, str_to_datetime, "2012-11-01T10:10:59.9x")
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# Valid ISO8601 but not allowed in W3C Datetime
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self.assertRaises(ValueError, str_to_datetime, "2012-11-01T01:01:01")
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self.assertRaises(ValueError, str_to_datetime, "2012-11-01 01:01:01Z")
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self.assertRaises(ValueError, str_to_datetime, "2012-11-01T01:01:01+0000")
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self.assertRaises(ValueError, str_to_datetime, "2012-11-01T01:01:01-1000")
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# Bad values
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self.assertRaises(ValueError, str_to_datetime, "2012-00-01T01:01:01Z")
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self.assertRaises(ValueError, str_to_datetime, "2012-13-01T01:01:01Z")
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self.assertRaises(ValueError, str_to_datetime, "2012-11-00T01:01:01Z")
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self.assertRaises(ValueError, str_to_datetime, "2012-11-32T01:01:01Z")
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self.assertRaises(ValueError, str_to_datetime, "2012-13-01T24:01:01Z")
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self.assertRaises(ValueError, str_to_datetime, "2012-13-01T00:60:01Z")
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self.assertRaises(ValueError, str_to_datetime, "2012-13-01T00:00:60Z")
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self.assertRaises(ValueError, str_to_datetime, "2012-11-01T01:01:01+99:00")
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self.assertRaises(ValueError, str_to_datetime, "2012-11-01T01:01:01-25:00")
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def test05_roundtrips(self):
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"""Round trips."""
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self.assertEqual(rt('2012-03-14T00:00:00+00:00'),
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'2012-03-14T00:00:00Z')
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self.assertEqual(rt('2012-03-14T00:00:00-00:00'),
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'2012-03-14T00:00:00Z')
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self.assertEqual(rt('2012-03-14T11:00:00-11:00'),
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'2012-03-14T00:00:00Z')
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self.assertEqual(rt('2012-03-14T18:37:36Z'),
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'2012-03-14T18:37:36Z')
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self.assertEqual(rt('2012-03-14T18:37:36+00:10'),
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'2012-03-14T18:47:36Z')
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self.assertEqual(rt('2012-03-14T18:37:36-01:01'),
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'2012-03-14T17:36:36Z')
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