Intermediate changes

1 files changed, 964 insertions, 0 deletions

diff --git a/contrib/python/python-dateutil/py3/tests/test_parser.py b/contrib/python/python-dateutil/py3/tests/test_parser.py
new file mode 100644
index 0000000000..08a34dafbc
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+++ b/contrib/python/python-dateutil/py3/tests/test_parser.py
@@ -0,0 +1,964 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+import itertools
+from datetime import datetime, timedelta
+import unittest
+import sys
+
+from dateutil import tz
+from dateutil.tz import tzoffset
+from dateutil.parser import parse, parserinfo
+from dateutil.parser import ParserError
+from dateutil.parser import UnknownTimezoneWarning
+
+from ._common import TZEnvContext
+
+from six import assertRaisesRegex, PY2
+from io import StringIO
+
+import pytest
+
+# Platform info
+IS_WIN = sys.platform.startswith('win')
+
+PLATFORM_HAS_DASH_D = False
+try:
+    if datetime.now().strftime('%-d'):
+        PLATFORM_HAS_DASH_D = True
+except ValueError:
+    pass
+
+
+@pytest.fixture(params=[True, False])
+def fuzzy(request):
+    """Fixture to pass fuzzy=True or fuzzy=False to parse"""
+    return request.param
+
+
+# Parser test cases using no keyword arguments. Format: (parsable_text, expected_datetime, assertion_message)
+PARSER_TEST_CASES = [
+    ("Thu Sep 25 10:36:28 2003", datetime(2003, 9, 25, 10, 36, 28), "date command format strip"),
+    ("Thu Sep 25 2003", datetime(2003, 9, 25), "date command format strip"),
+    ("2003-09-25T10:49:41", datetime(2003, 9, 25, 10, 49, 41), "iso format strip"),
+    ("2003-09-25T10:49", datetime(2003, 9, 25, 10, 49), "iso format strip"),
+    ("2003-09-25T10", datetime(2003, 9, 25, 10), "iso format strip"),
+    ("2003-09-25", datetime(2003, 9, 25), "iso format strip"),
+    ("20030925T104941", datetime(2003, 9, 25, 10, 49, 41), "iso stripped format strip"),
+    ("20030925T1049", datetime(2003, 9, 25, 10, 49, 0), "iso stripped format strip"),
+    ("20030925T10", datetime(2003, 9, 25, 10), "iso stripped format strip"),
+    ("20030925", datetime(2003, 9, 25), "iso stripped format strip"),
+    ("2003-09-25 10:49:41,502", datetime(2003, 9, 25, 10, 49, 41, 502000), "python logger format"),
+    ("199709020908", datetime(1997, 9, 2, 9, 8), "no separator"),
+    ("19970902090807", datetime(1997, 9, 2, 9, 8, 7), "no separator"),
+    ("09-25-2003", datetime(2003, 9, 25), "date with dash"),
+    ("25-09-2003", datetime(2003, 9, 25), "date with dash"),
+    ("10-09-2003", datetime(2003, 10, 9), "date with dash"),
+    ("10-09-03", datetime(2003, 10, 9), "date with dash"),
+    ("2003.09.25", datetime(2003, 9, 25), "date with dot"),
+    ("09.25.2003", datetime(2003, 9, 25), "date with dot"),
+    ("25.09.2003", datetime(2003, 9, 25), "date with dot"),
+    ("10.09.2003", datetime(2003, 10, 9), "date with dot"),
+    ("10.09.03", datetime(2003, 10, 9), "date with dot"),
+    ("2003/09/25", datetime(2003, 9, 25), "date with slash"),
+    ("09/25/2003", datetime(2003, 9, 25), "date with slash"),
+    ("25/09/2003", datetime(2003, 9, 25), "date with slash"),
+    ("10/09/2003", datetime(2003, 10, 9), "date with slash"),
+    ("10/09/03", datetime(2003, 10, 9), "date with slash"),
+    ("2003 09 25", datetime(2003, 9, 25), "date with space"),
+    ("09 25 2003", datetime(2003, 9, 25), "date with space"),
+    ("25 09 2003", datetime(2003, 9, 25), "date with space"),
+    ("10 09 2003", datetime(2003, 10, 9), "date with space"),
+    ("10 09 03", datetime(2003, 10, 9), "date with space"),
+    ("25 09 03", datetime(2003, 9, 25), "date with space"),
+    ("03 25 Sep", datetime(2003, 9, 25), "strangely ordered date"),
+    ("25 03 Sep", datetime(2025, 9, 3), "strangely ordered date"),
+    ("  July   4 ,  1976   12:01:02   am  ", datetime(1976, 7, 4, 0, 1, 2), "extra space"),
+    ("Wed, July 10, '96", datetime(1996, 7, 10, 0, 0), "random format"),
+    ("1996.July.10 AD 12:08 PM", datetime(1996, 7, 10, 12, 8), "random format"),
+    ("July 4, 1976", datetime(1976, 7, 4), "random format"),
+    ("7 4 1976", datetime(1976, 7, 4), "random format"),
+    ("4 jul 1976", datetime(1976, 7, 4), "random format"),
+    ("4 Jul 1976", datetime(1976, 7, 4), "'%-d %b %Y' format"),
+    ("7-4-76", datetime(1976, 7, 4), "random format"),
+    ("19760704", datetime(1976, 7, 4), "random format"),
+    ("0:01:02 on July 4, 1976", datetime(1976, 7, 4, 0, 1, 2), "random format"),
+    ("July 4, 1976 12:01:02 am", datetime(1976, 7, 4, 0, 1, 2), "random format"),
+    ("Mon Jan  2 04:24:27 1995", datetime(1995, 1, 2, 4, 24, 27), "random format"),
+    ("04.04.95 00:22", datetime(1995, 4, 4, 0, 22), "random format"),
+    ("Jan 1 1999 11:23:34.578", datetime(1999, 1, 1, 11, 23, 34, 578000), "random format"),
+    ("950404 122212", datetime(1995, 4, 4, 12, 22, 12), "random format"),
+    ("3rd of May 2001", datetime(2001, 5, 3), "random format"),
+    ("5th of March 2001", datetime(2001, 3, 5), "random format"),
+    ("1st of May 2003", datetime(2003, 5, 1), "random format"),
+    ('0099-01-01T00:00:00', datetime(99, 1, 1, 0, 0), "99 ad"),
+    ('0031-01-01T00:00:00', datetime(31, 1, 1, 0, 0), "31 ad"),
+    ("20080227T21:26:01.123456789", datetime(2008, 2, 27, 21, 26, 1, 123456), "high precision seconds"),
+    ('13NOV2017', datetime(2017, 11, 13), "dBY (See GH360)"),
+    ('0003-03-04', datetime(3, 3, 4), "pre 12 year same month (See GH PR #293)"),
+    ('December.0031.30', datetime(31, 12, 30), "BYd corner case (GH#687)"),
+
+    # Cases with legacy h/m/s format, candidates for deprecation (GH#886)
+    ("2016-12-21 04.2h", datetime(2016, 12, 21, 4, 12), "Fractional Hours"),
+]
+# Check that we don't have any duplicates
+assert len(set([x[0] for x in PARSER_TEST_CASES])) == len(PARSER_TEST_CASES)
+
+
+@pytest.mark.parametrize("parsable_text,expected_datetime,assertion_message", PARSER_TEST_CASES)
+def test_parser(parsable_text, expected_datetime, assertion_message):
+    assert parse(parsable_text) == expected_datetime, assertion_message
+
+
+# Parser test cases using datetime(2003, 9, 25) as a default.
+# Format: (parsable_text, expected_datetime, assertion_message)
+PARSER_DEFAULT_TEST_CASES = [
+    ("Thu Sep 25 10:36:28", datetime(2003, 9, 25, 10, 36, 28), "date command format strip"),
+    ("Thu Sep 10:36:28", datetime(2003, 9, 25, 10, 36, 28), "date command format strip"),
+    ("Thu 10:36:28", datetime(2003, 9, 25, 10, 36, 28), "date command format strip"),
+    ("Sep 10:36:28", datetime(2003, 9, 25, 10, 36, 28), "date command format strip"),
+    ("10:36:28", datetime(2003, 9, 25, 10, 36, 28), "date command format strip"),
+    ("10:36", datetime(2003, 9, 25, 10, 36), "date command format strip"),
+    ("Sep 2003", datetime(2003, 9, 25), "date command format strip"),
+    ("Sep", datetime(2003, 9, 25), "date command format strip"),
+    ("2003", datetime(2003, 9, 25), "date command format strip"),
+    ("10h36m28.5s", datetime(2003, 9, 25, 10, 36, 28, 500000), "hour with letters"),
+    ("10h36m28s", datetime(2003, 9, 25, 10, 36, 28), "hour with letters strip"),
+    ("10h36m", datetime(2003, 9, 25, 10, 36), "hour with letters strip"),
+    ("10h", datetime(2003, 9, 25, 10), "hour with letters strip"),
+    ("10 h 36", datetime(2003, 9, 25, 10, 36), "hour with letters strip"),
+    ("10 h 36.5", datetime(2003, 9, 25, 10, 36, 30), "hour with letter strip"),
+    ("36 m 5", datetime(2003, 9, 25, 0, 36, 5), "hour with letters spaces"),
+    ("36 m 5 s", datetime(2003, 9, 25, 0, 36, 5), "minute with letters spaces"),
+    ("36 m 05", datetime(2003, 9, 25, 0, 36, 5), "minute with letters spaces"),
+    ("36 m 05 s", datetime(2003, 9, 25, 0, 36, 5), "minutes with letters spaces"),
+    ("10h am", datetime(2003, 9, 25, 10), "hour am pm"),
+    ("10h pm", datetime(2003, 9, 25, 22), "hour am pm"),
+    ("10am", datetime(2003, 9, 25, 10), "hour am pm"),
+    ("10pm", datetime(2003, 9, 25, 22), "hour am pm"),
+    ("10:00 am", datetime(2003, 9, 25, 10), "hour am pm"),
+    ("10:00 pm", datetime(2003, 9, 25, 22), "hour am pm"),
+    ("10:00am", datetime(2003, 9, 25, 10), "hour am pm"),
+    ("10:00pm", datetime(2003, 9, 25, 22), "hour am pm"),
+    ("10:00a.m", datetime(2003, 9, 25, 10), "hour am pm"),
+    ("10:00p.m", datetime(2003, 9, 25, 22), "hour am pm"),
+    ("10:00a.m.", datetime(2003, 9, 25, 10), "hour am pm"),
+    ("10:00p.m.", datetime(2003, 9, 25, 22), "hour am pm"),
+    ("Wed", datetime(2003, 10, 1), "weekday alone"),
+    ("Wednesday", datetime(2003, 10, 1), "long weekday"),
+    ("October", datetime(2003, 10, 25), "long month"),
+    ("31-Dec-00", datetime(2000, 12, 31), "zero year"),
+    ("0:01:02", datetime(2003, 9, 25, 0, 1, 2), "random format"),
+    ("12h 01m02s am", datetime(2003, 9, 25, 0, 1, 2), "random format"),
+    ("12:08 PM", datetime(2003, 9, 25, 12, 8), "random format"),
+    ("01h02m03", datetime(2003, 9, 25, 1, 2, 3), "random format"),
+    ("01h02", datetime(2003, 9, 25, 1, 2), "random format"),
+    ("01h02s", datetime(2003, 9, 25, 1, 0, 2), "random format"),
+    ("01m02", datetime(2003, 9, 25, 0, 1, 2), "random format"),
+    ("01m02h", datetime(2003, 9, 25, 2, 1), "random format"),
+    ("2004 10 Apr 11h30m", datetime(2004, 4, 10, 11, 30), "random format")
+]
+# Check that we don't have any duplicates
+assert len(set([x[0] for x in PARSER_DEFAULT_TEST_CASES])) == len(PARSER_DEFAULT_TEST_CASES)
+
+
+@pytest.mark.parametrize("parsable_text,expected_datetime,assertion_message", PARSER_DEFAULT_TEST_CASES)
+def test_parser_default(parsable_text, expected_datetime, assertion_message):
+    assert parse(parsable_text, default=datetime(2003, 9, 25)) == expected_datetime, assertion_message
+
+
+@pytest.mark.parametrize('sep', ['-', '.', '/', ' '])
+def test_parse_dayfirst(sep):
+    expected = datetime(2003, 9, 10)
+    fmt = sep.join(['%d', '%m', '%Y'])
+    dstr = expected.strftime(fmt)
+    result = parse(dstr, dayfirst=True)
+    assert result == expected
+
+
+@pytest.mark.parametrize('sep', ['-', '.', '/', ' '])
+def test_parse_yearfirst(sep):
+    expected = datetime(2010, 9, 3)
+    fmt = sep.join(['%Y', '%m', '%d'])
+    dstr = expected.strftime(fmt)
+    result = parse(dstr, yearfirst=True)
+    assert result == expected
+
+
+@pytest.mark.parametrize('dstr,expected', [
+    ("Thu Sep 25 10:36:28 BRST 2003", datetime(2003, 9, 25, 10, 36, 28)),
+    ("1996.07.10 AD at 15:08:56 PDT", datetime(1996, 7, 10, 15, 8, 56)),
+    ("Tuesday, April 12, 1952 AD 3:30:42pm PST",
+     datetime(1952, 4, 12, 15, 30, 42)),
+    ("November 5, 1994, 8:15:30 am EST", datetime(1994, 11, 5, 8, 15, 30)),
+    ("1994-11-05T08:15:30-05:00", datetime(1994, 11, 5, 8, 15, 30)),
+    ("1994-11-05T08:15:30Z", datetime(1994, 11, 5, 8, 15, 30)),
+    ("1976-07-04T00:01:02Z", datetime(1976, 7, 4, 0, 1, 2)),
+    ("1986-07-05T08:15:30z", datetime(1986, 7, 5, 8, 15, 30)),
+    ("Tue Apr 4 00:22:12 PDT 1995", datetime(1995, 4, 4, 0, 22, 12)),
+])
+def test_parse_ignoretz(dstr, expected):
+    result = parse(dstr, ignoretz=True)
+    assert result == expected
+
+
+_brsttz = tzoffset("BRST", -10800)
+
+
+@pytest.mark.parametrize('dstr,expected', [
+    ("20030925T104941-0300",
+     datetime(2003, 9, 25, 10, 49, 41, tzinfo=_brsttz)),
+    ("Thu, 25 Sep 2003 10:49:41 -0300",
+     datetime(2003, 9, 25, 10, 49, 41, tzinfo=_brsttz)),
+    ("2003-09-25T10:49:41.5-03:00",
+     datetime(2003, 9, 25, 10, 49, 41, 500000, tzinfo=_brsttz)),
+    ("2003-09-25T10:49:41-03:00",
+     datetime(2003, 9, 25, 10, 49, 41, tzinfo=_brsttz)),
+    ("20030925T104941.5-0300",
+     datetime(2003, 9, 25, 10, 49, 41, 500000, tzinfo=_brsttz)),
+])
+def test_parse_with_tzoffset(dstr, expected):
+    # In these cases, we are _not_ passing a tzinfos arg
+    result = parse(dstr)
+    assert result == expected
+
+
+class TestFormat(object):
+
+    def test_ybd(self):
+        # If we have a 4-digit year, a non-numeric month (abbreviated or not),
+        # and a day (1 or 2 digits), then there is no ambiguity as to which
+        # token is a year/month/day.  This holds regardless of what order the
+        # terms are in and for each of the separators below.
+
+        seps = ['-', ' ', '/', '.']
+
+        year_tokens = ['%Y']
+        month_tokens = ['%b', '%B']
+        day_tokens = ['%d']
+        if PLATFORM_HAS_DASH_D:
+            day_tokens.append('%-d')
+
+        prods = itertools.product(year_tokens, month_tokens, day_tokens)
+        perms = [y for x in prods for y in itertools.permutations(x)]
+        unambig_fmts = [sep.join(perm) for sep in seps for perm in perms]
+
+        actual = datetime(2003, 9, 25)
+
+        for fmt in unambig_fmts:
+            dstr = actual.strftime(fmt)
+            res = parse(dstr)
+            assert res == actual
+
+    # TODO: some redundancy with PARSER_TEST_CASES cases
+    @pytest.mark.parametrize("fmt,dstr", [
+        ("%a %b %d %Y", "Thu Sep 25 2003"),
+        ("%b %d %Y", "Sep 25 2003"),
+        ("%Y-%m-%d", "2003-09-25"),
+        ("%Y%m%d", "20030925"),
+        ("%Y-%b-%d", "2003-Sep-25"),
+        ("%d-%b-%Y", "25-Sep-2003"),
+        ("%b-%d-%Y", "Sep-25-2003"),
+        ("%m-%d-%Y", "09-25-2003"),
+        ("%d-%m-%Y", "25-09-2003"),
+        ("%Y.%m.%d", "2003.09.25"),
+        ("%Y.%b.%d", "2003.Sep.25"),
+        ("%d.%b.%Y", "25.Sep.2003"),
+        ("%b.%d.%Y", "Sep.25.2003"),
+        ("%m.%d.%Y", "09.25.2003"),
+        ("%d.%m.%Y", "25.09.2003"),
+        ("%Y/%m/%d", "2003/09/25"),
+        ("%Y/%b/%d", "2003/Sep/25"),
+        ("%d/%b/%Y", "25/Sep/2003"),
+        ("%b/%d/%Y", "Sep/25/2003"),
+        ("%m/%d/%Y", "09/25/2003"),
+        ("%d/%m/%Y", "25/09/2003"),
+        ("%Y %m %d", "2003 09 25"),
+        ("%Y %b %d", "2003 Sep 25"),
+        ("%d %b %Y", "25 Sep 2003"),
+        ("%m %d %Y", "09 25 2003"),
+        ("%d %m %Y", "25 09 2003"),
+        ("%y %d %b", "03 25 Sep",),
+    ])
+    def test_strftime_formats_2003Sep25(self, fmt, dstr):
+        expected = datetime(2003, 9, 25)
+
+        # First check that the format strings behave as expected
+        #  (not strictly necessary, but nice to have)
+        assert expected.strftime(fmt) == dstr
+
+        res = parse(dstr)
+        assert res == expected
+
+
+class TestInputTypes(object):
+    def test_empty_string_invalid(self):
+        with pytest.raises(ParserError):
+            parse('')
+
+    def test_none_invalid(self):
+        with pytest.raises(TypeError):
+            parse(None)
+
+    def test_int_invalid(self):
+        with pytest.raises(TypeError):
+            parse(13)
+
+    def test_duck_typing(self):
+        # We want to support arbitrary classes that implement the stream
+        # interface.
+
+        class StringPassThrough(object):
+            def __init__(self, stream):
+                self.stream = stream
+
+            def read(self, *args, **kwargs):
+                return self.stream.read(*args, **kwargs)
+
+        dstr = StringPassThrough(StringIO('2014 January 19'))
+
+        res = parse(dstr)
+        expected = datetime(2014, 1, 19)
+        assert res == expected
+
+    def test_parse_stream(self):
+        dstr = StringIO('2014 January 19')
+
+        res = parse(dstr)
+        expected = datetime(2014, 1, 19)
+        assert res == expected
+
+    def test_parse_str(self):
+        # Parser should be able to handle bytestring and unicode
+        uni_str = '2014-05-01 08:00:00'
+        bytes_str = uni_str.encode()
+
+        res = parse(bytes_str)
+        expected = parse(uni_str)
+        assert res == expected
+
+    def test_parse_bytes(self):
+        res = parse(b'2014 January 19')
+        expected = datetime(2014, 1, 19)
+        assert res == expected
+
+    def test_parse_bytearray(self):
+        # GH#417
+        res = parse(bytearray(b'2014 January 19'))
+        expected = datetime(2014, 1, 19)
+        assert res == expected
+
+
+class TestTzinfoInputTypes(object):
+    def assert_equal_same_tz(self, dt1, dt2):
+        assert dt1 == dt2
+        assert dt1.tzinfo is dt2.tzinfo
+
+    def test_tzinfo_dict_could_return_none(self):
+        dstr = "2017-02-03 12:40 BRST"
+        result = parse(dstr, tzinfos={"BRST": None})
+        expected = datetime(2017, 2, 3, 12, 40)
+        self.assert_equal_same_tz(result, expected)
+
+    def test_tzinfos_callable_could_return_none(self):
+        dstr = "2017-02-03 12:40 BRST"
+        result = parse(dstr, tzinfos=lambda *args: None)
+        expected = datetime(2017, 2, 3, 12, 40)
+        self.assert_equal_same_tz(result, expected)
+
+    def test_invalid_tzinfo_input(self):
+        dstr = "2014 January 19 09:00 UTC"
+        # Pass an absurd tzinfos object
+        tzinfos = {"UTC": ValueError}
+        with pytest.raises(TypeError):
+            parse(dstr, tzinfos=tzinfos)
+
+    def test_valid_tzinfo_tzinfo_input(self):
+        dstr = "2014 January 19 09:00 UTC"
+        tzinfos = {"UTC": tz.UTC}
+        expected = datetime(2014, 1, 19, 9, tzinfo=tz.UTC)
+        res = parse(dstr, tzinfos=tzinfos)
+        self.assert_equal_same_tz(res, expected)
+
+    def test_valid_tzinfo_unicode_input(self):
+        dstr = "2014 January 19 09:00 UTC"
+        tzinfos = {u"UTC": u"UTC+0"}
+        expected = datetime(2014, 1, 19, 9, tzinfo=tz.tzstr("UTC+0"))
+        res = parse(dstr, tzinfos=tzinfos)
+        self.assert_equal_same_tz(res, expected)
+
+    def test_valid_tzinfo_callable_input(self):
+        dstr = "2014 January 19 09:00 UTC"
+
+        def tzinfos(*args, **kwargs):
+            return u"UTC+0"
+
+        expected = datetime(2014, 1, 19, 9, tzinfo=tz.tzstr("UTC+0"))
+        res = parse(dstr, tzinfos=tzinfos)
+        self.assert_equal_same_tz(res, expected)
+
+    def test_valid_tzinfo_int_input(self):
+        dstr = "2014 January 19 09:00 UTC"
+        tzinfos = {u"UTC": -28800}
+        expected = datetime(2014, 1, 19, 9, tzinfo=tz.tzoffset(u"UTC", -28800))
+        res = parse(dstr, tzinfos=tzinfos)
+        self.assert_equal_same_tz(res, expected)
+
+
+class ParserTest(unittest.TestCase):
+
+    @classmethod
+    def setup_class(cls):
+        cls.tzinfos = {"BRST": -10800}
+        cls.brsttz = tzoffset("BRST", -10800)
+        cls.default = datetime(2003, 9, 25)
+
+        # Parser should be able to handle bytestring and unicode
+        cls.uni_str = '2014-05-01 08:00:00'
+        cls.str_str = cls.uni_str.encode()
+
+    def testParserParseStr(self):
+        from dateutil.parser import parser
+
+        assert parser().parse(self.str_str) == parser().parse(self.uni_str)
+
+    def testParseUnicodeWords(self):
+
+        class rus_parserinfo(parserinfo):
+            MONTHS = [("янв", "Январь"),
+                      ("фев", "Февраль"),
+                      ("мар", "Март"),
+                      ("апр", "Апрель"),
+                      ("май", "Май"),
+                      ("июн", "Июнь"),
+                      ("июл", "Июль"),
+                      ("авг", "Август"),
+                      ("сен", "Сентябрь"),
+                      ("окт", "Октябрь"),
+                      ("ноя", "Ноябрь"),
+                      ("дек", "Декабрь")]
+
+        expected = datetime(2015, 9, 10, 10, 20)
+        res = parse('10 Сентябрь 2015 10:20', parserinfo=rus_parserinfo())
+        assert res  == expected
+
+    def testParseWithNulls(self):
+        # This relies on the from __future__ import unicode_literals, because
+        # explicitly specifying a unicode literal is a syntax error in Py 3.2
+        # May want to switch to u'...' if we ever drop Python 3.2 support.
+        pstring = '\x00\x00August 29, 1924'
+
+        assert parse(pstring) == datetime(1924, 8, 29)
+
+    def testDateCommandFormat(self):
+        self.assertEqual(parse("Thu Sep 25 10:36:28 BRST 2003",
+                               tzinfos=self.tzinfos),
+                         datetime(2003, 9, 25, 10, 36, 28,
+                                  tzinfo=self.brsttz))
+
+    def testDateCommandFormatReversed(self):
+        self.assertEqual(parse("2003 10:36:28 BRST 25 Sep Thu",
+                               tzinfos=self.tzinfos),
+                         datetime(2003, 9, 25, 10, 36, 28,
+                                  tzinfo=self.brsttz))
+
+    def testDateCommandFormatWithLong(self):
+        if PY2:
+            self.assertEqual(parse("Thu Sep 25 10:36:28 BRST 2003",
+                                   tzinfos={"BRST": long(-10800)}),
+                             datetime(2003, 9, 25, 10, 36, 28,
+                                      tzinfo=self.brsttz))
+
+    def testISOFormatStrip2(self):
+        self.assertEqual(parse("2003-09-25T10:49:41+03:00"),
+                         datetime(2003, 9, 25, 10, 49, 41,
+                                  tzinfo=tzoffset(None, 10800)))
+
+    def testISOStrippedFormatStrip2(self):
+        self.assertEqual(parse("20030925T104941+0300"),
+                         datetime(2003, 9, 25, 10, 49, 41,
+                                  tzinfo=tzoffset(None, 10800)))
+
+    def testAMPMNoHour(self):
+        with pytest.raises(ParserError):
+            parse("AM")
+
+        with pytest.raises(ParserError):
+            parse("Jan 20, 2015 PM")
+
+    def testAMPMRange(self):
+        with pytest.raises(ParserError):
+            parse("13:44 AM")
+
+        with pytest.raises(ParserError):
+            parse("January 25, 1921 23:13 PM")
+
+    def testPertain(self):
+        self.assertEqual(parse("Sep 03", default=self.default),
+                         datetime(2003, 9, 3))
+        self.assertEqual(parse("Sep of 03", default=self.default),
+                         datetime(2003, 9, 25))
+
+    def testFuzzy(self):
+        s = "Today is 25 of September of 2003, exactly " \
+            "at 10:49:41 with timezone -03:00."
+        self.assertEqual(parse(s, fuzzy=True),
+                         datetime(2003, 9, 25, 10, 49, 41,
+                                  tzinfo=self.brsttz))
+
+    def testFuzzyWithTokens(self):
+        s1 = "Today is 25 of September of 2003, exactly " \
+            "at 10:49:41 with timezone -03:00."
+        self.assertEqual(parse(s1, fuzzy_with_tokens=True),
+                         (datetime(2003, 9, 25, 10, 49, 41,
+                                   tzinfo=self.brsttz),
+                         ('Today is ', 'of ', ', exactly at ',
+                          ' with timezone ', '.')))
+
+        s2 = "http://biz.yahoo.com/ipo/p/600221.html"
+        self.assertEqual(parse(s2, fuzzy_with_tokens=True),
+                         (datetime(2060, 2, 21, 0, 0, 0),
+                         ('http://biz.yahoo.com/ipo/p/', '.html')))
+
+    def testFuzzyAMPMProblem(self):
+        # Sometimes fuzzy parsing results in AM/PM flag being set without
+        # hours - if it's fuzzy it should ignore that.
+        s1 = "I have a meeting on March 1, 1974."
+        s2 = "On June 8th, 2020, I am going to be the first man on Mars"
+
+        # Also don't want any erroneous AM or PMs changing the parsed time
+        s3 = "Meet me at the AM/PM on Sunset at 3:00 AM on December 3rd, 2003"
+        s4 = "Meet me at 3:00AM on December 3rd, 2003 at the AM/PM on Sunset"
+
+        self.assertEqual(parse(s1, fuzzy=True), datetime(1974, 3, 1))
+        self.assertEqual(parse(s2, fuzzy=True), datetime(2020, 6, 8))
+        self.assertEqual(parse(s3, fuzzy=True), datetime(2003, 12, 3, 3))
+        self.assertEqual(parse(s4, fuzzy=True), datetime(2003, 12, 3, 3))
+
+    def testFuzzyIgnoreAMPM(self):
+        s1 = "Jan 29, 1945 14:45 AM I going to see you there?"
+        with pytest.warns(UnknownTimezoneWarning):
+            res = parse(s1, fuzzy=True)
+        self.assertEqual(res, datetime(1945, 1, 29, 14, 45))
+
+    def testRandomFormat24(self):
+        self.assertEqual(parse("0:00 PM, PST", default=self.default,
+                               ignoretz=True),
+                         datetime(2003, 9, 25, 12, 0))
+
+    def testRandomFormat26(self):
+        with pytest.warns(UnknownTimezoneWarning):
+            res = parse("5:50 A.M. on June 13, 1990")
+
+        self.assertEqual(res, datetime(1990, 6, 13, 5, 50))
+
+    def testUnspecifiedDayFallback(self):
+        # Test that for an unspecified day, the fallback behavior is correct.
+        self.assertEqual(parse("April 2009", default=datetime(2010, 1, 31)),
+                         datetime(2009, 4, 30))
+
+    def testUnspecifiedDayFallbackFebNoLeapYear(self):
+        self.assertEqual(parse("Feb 2007", default=datetime(2010, 1, 31)),
+                         datetime(2007, 2, 28))
+
+    def testUnspecifiedDayFallbackFebLeapYear(self):
+        self.assertEqual(parse("Feb 2008", default=datetime(2010, 1, 31)),
+                         datetime(2008, 2, 29))
+
+    def testErrorType01(self):
+        with pytest.raises(ParserError):
+            parse('shouldfail')
+
+    def testCorrectErrorOnFuzzyWithTokens(self):
+        assertRaisesRegex(self, ParserError, 'Unknown string format',
+                          parse, '04/04/32/423', fuzzy_with_tokens=True)
+        assertRaisesRegex(self, ParserError, 'Unknown string format',
+                          parse, '04/04/04 +32423', fuzzy_with_tokens=True)
+        assertRaisesRegex(self, ParserError, 'Unknown string format',
+                          parse, '04/04/0d4', fuzzy_with_tokens=True)
+
+    def testIncreasingCTime(self):
+        # This test will check 200 different years, every month, every day,
+        # every hour, every minute, every second, and every weekday, using
+        # a delta of more or less 1 year, 1 month, 1 day, 1 minute and
+        # 1 second.
+        delta = timedelta(days=365+31+1, seconds=1+60+60*60)
+        dt = datetime(1900, 1, 1, 0, 0, 0, 0)
+        for i in range(200):
+            assert parse(dt.ctime()) == dt
+            dt += delta
+
+    def testIncreasingISOFormat(self):
+        delta = timedelta(days=365+31+1, seconds=1+60+60*60)
+        dt = datetime(1900, 1, 1, 0, 0, 0, 0)
+        for i in range(200):
+            assert parse(dt.isoformat()) == dt
+            dt += delta
+
+    def testMicrosecondsPrecisionError(self):
+        # Skip found out that sad precision problem. :-(
+        dt1 = parse("00:11:25.01")
+        dt2 = parse("00:12:10.01")
+        assert dt1.microsecond == 10000
+        assert dt2.microsecond == 10000
+
+    def testMicrosecondPrecisionErrorReturns(self):
+        # One more precision issue, discovered by Eric Brown.  This should
+        # be the last one, as we're no longer using floating points.
+        for ms in [100001, 100000, 99999, 99998,
+                    10001,  10000,  9999,  9998,
+                     1001,   1000,   999,   998,
+                      101,    100,    99,    98]:
+            dt = datetime(2008, 2, 27, 21, 26, 1, ms)
+            assert parse(dt.isoformat()) == dt
+
+    def testCustomParserInfo(self):
+        # Custom parser info wasn't working, as Michael Elsdörfer discovered.
+        from dateutil.parser import parserinfo, parser
+
+        class myparserinfo(parserinfo):
+            MONTHS = parserinfo.MONTHS[:]
+            MONTHS[0] = ("Foo", "Foo")
+        myparser = parser(myparserinfo())
+        dt = myparser.parse("01/Foo/2007")
+        assert dt == datetime(2007, 1, 1)
+
+    def testCustomParserShortDaynames(self):
+        # Horacio Hoyos discovered that day names shorter than 3 characters,
+        # for example two letter German day name abbreviations, don't work:
+        # https://github.com/dateutil/dateutil/issues/343
+        from dateutil.parser import parserinfo, parser
+
+        class GermanParserInfo(parserinfo):
+            WEEKDAYS = [("Mo", "Montag"),
+                        ("Di", "Dienstag"),
+                        ("Mi", "Mittwoch"),
+                        ("Do", "Donnerstag"),
+                        ("Fr", "Freitag"),
+                        ("Sa", "Samstag"),
+                        ("So", "Sonntag")]
+
+        myparser = parser(GermanParserInfo())
+        dt = myparser.parse("Sa 21. Jan 2017")
+        self.assertEqual(dt, datetime(2017, 1, 21))
+
+    def testNoYearFirstNoDayFirst(self):
+        dtstr = '090107'
+
+        # Should be MMDDYY
+        self.assertEqual(parse(dtstr),
+                         datetime(2007, 9, 1))
+
+        self.assertEqual(parse(dtstr, yearfirst=False, dayfirst=False),
+                         datetime(2007, 9, 1))
+
+    def testYearFirst(self):
+        dtstr = '090107'
+
+        # Should be MMDDYY
+        self.assertEqual(parse(dtstr, yearfirst=True),
+                         datetime(2009, 1, 7))
+
+        self.assertEqual(parse(dtstr, yearfirst=True, dayfirst=False),
+                         datetime(2009, 1, 7))
+
+    def testDayFirst(self):
+        dtstr = '090107'
+
+        # Should be DDMMYY
+        self.assertEqual(parse(dtstr, dayfirst=True),
+                         datetime(2007, 1, 9))
+
+        self.assertEqual(parse(dtstr, yearfirst=False, dayfirst=True),
+                         datetime(2007, 1, 9))
+
+    def testDayFirstYearFirst(self):
+        dtstr = '090107'
+        # Should be YYDDMM
+        self.assertEqual(parse(dtstr, yearfirst=True, dayfirst=True),
+                         datetime(2009, 7, 1))
+
+    def testUnambiguousYearFirst(self):
+        dtstr = '2015 09 25'
+        self.assertEqual(parse(dtstr, yearfirst=True),
+                         datetime(2015, 9, 25))
+
+    def testUnambiguousDayFirst(self):
+        dtstr = '2015 09 25'
+        self.assertEqual(parse(dtstr, dayfirst=True),
+                         datetime(2015, 9, 25))
+
+    def testUnambiguousDayFirstYearFirst(self):
+        dtstr = '2015 09 25'
+        self.assertEqual(parse(dtstr, dayfirst=True, yearfirst=True),
+                         datetime(2015, 9, 25))
+
+    def test_mstridx(self):
+        # See GH408
+        dtstr = '2015-15-May'
+        self.assertEqual(parse(dtstr),
+                         datetime(2015, 5, 15))
+
+    def test_idx_check(self):
+        dtstr = '2017-07-17 06:15:'
+        # Pre-PR, the trailing colon will cause an IndexError at 824-825
+        # when checking `i < len_l` and then accessing `l[i+1]`
+        res = parse(dtstr, fuzzy=True)
+        assert res == datetime(2017, 7, 17, 6, 15)
+
+    def test_hmBY(self):
+        # See GH#483
+        dtstr = '02:17NOV2017'
+        res = parse(dtstr, default=self.default)
+        assert res == datetime(2017, 11, self.default.day, 2, 17)
+
+    def test_validate_hour(self):
+        # See GH353
+        invalid = "201A-01-01T23:58:39.239769+03:00"
+        with pytest.raises(ParserError):
+            parse(invalid)
+
+    def test_era_trailing_year(self):
+        dstr = 'AD2001'
+        res = parse(dstr)
+        assert res.year == 2001, res
+
+    def test_includes_timestr(self):
+        timestr = "2020-13-97T44:61:83"
+
+        try:
+            parse(timestr)
+        except ParserError as e:
+            assert e.args[1] == timestr
+        else:
+            pytest.fail("Failed to raise ParserError")
+
+
+class TestOutOfBounds(object):
+
+    def test_no_year_zero(self):
+        with pytest.raises(ParserError):
+            parse("0000 Jun 20")
+
+    def test_out_of_bound_day(self):
+        with pytest.raises(ParserError):
+            parse("Feb 30, 2007")
+
+    def test_illegal_month_error(self):
+        with pytest.raises(ParserError):
+            parse("0-100")
+
+    def test_day_sanity(self, fuzzy):
+        dstr = "2014-15-25"
+        with pytest.raises(ParserError):
+            parse(dstr, fuzzy=fuzzy)
+
+    def test_minute_sanity(self, fuzzy):
+        dstr = "2014-02-28 22:64"
+        with pytest.raises(ParserError):
+            parse(dstr, fuzzy=fuzzy)
+
+    def test_hour_sanity(self, fuzzy):
+        dstr = "2014-02-28 25:16 PM"
+        with pytest.raises(ParserError):
+            parse(dstr, fuzzy=fuzzy)
+
+    def test_second_sanity(self, fuzzy):
+        dstr = "2014-02-28 22:14:64"
+        with pytest.raises(ParserError):
+            parse(dstr, fuzzy=fuzzy)
+
+
+class TestParseUnimplementedCases(object):
+    @pytest.mark.xfail
+    def test_somewhat_ambiguous_string(self):
+        # Ref: github issue #487
+        # The parser is choosing the wrong part for hour
+        # causing datetime to raise an exception.
+        dtstr = '1237 PM BRST Mon Oct 30 2017'
+        res = parse(dtstr, tzinfo=self.tzinfos)
+        assert res == datetime(2017, 10, 30, 12, 37, tzinfo=self.tzinfos)
+
+    @pytest.mark.xfail
+    def test_YmdH_M_S(self):
+        # found in nasdaq's ftp data
+        dstr = '1991041310:19:24'
+        expected = datetime(1991, 4, 13, 10, 19, 24)
+        res = parse(dstr)
+        assert res == expected, (res, expected)
+
+    @pytest.mark.xfail
+    def test_first_century(self):
+        dstr = '0031 Nov 03'
+        expected = datetime(31, 11, 3)
+        res = parse(dstr)
+        assert res == expected, res
+
+    @pytest.mark.xfail
+    def test_era_trailing_year_with_dots(self):
+        dstr = 'A.D.2001'
+        res = parse(dstr)
+        assert res.year == 2001, res
+
+    @pytest.mark.xfail
+    def test_ad_nospace(self):
+        expected = datetime(6, 5, 19)
+        for dstr in [' 6AD May 19', ' 06AD May 19',
+                     ' 006AD May 19', ' 0006AD May 19']:
+            res = parse(dstr)
+            assert res == expected, (dstr, res)
+
+    @pytest.mark.xfail
+    def test_four_letter_day(self):
+        dstr = 'Frid Dec 30, 2016'
+        expected = datetime(2016, 12, 30)
+        res = parse(dstr)
+        assert res == expected
+
+    @pytest.mark.xfail
+    def test_non_date_number(self):
+        dstr = '1,700'
+        with pytest.raises(ParserError):
+            parse(dstr)
+
+    @pytest.mark.xfail
+    def test_on_era(self):
+        # This could be classified as an "eras" test, but the relevant part
+        # about this is the ` on `
+        dstr = '2:15 PM on January 2nd 1973 A.D.'
+        expected = datetime(1973, 1, 2, 14, 15)
+        res = parse(dstr)
+        assert res == expected
+
+    @pytest.mark.xfail
+    def test_extraneous_year(self):
+        # This was found in the wild at insidertrading.org
+        dstr = "2011 MARTIN CHILDREN'S IRREVOCABLE TRUST u/a/d NOVEMBER 7, 2012"
+        res = parse(dstr, fuzzy_with_tokens=True)
+        expected = datetime(2012, 11, 7)
+        assert res == expected
+
+    @pytest.mark.xfail
+    def test_extraneous_year_tokens(self):
+        # This was found in the wild at insidertrading.org
+        # Unlike in the case above, identifying the first "2012" as the year
+        # would not be a problem, but inferring that the latter 2012 is hhmm
+        # is a problem.
+        dstr = "2012 MARTIN CHILDREN'S IRREVOCABLE TRUST u/a/d NOVEMBER 7, 2012"
+        expected = datetime(2012, 11, 7)
+        (res, tokens) = parse(dstr, fuzzy_with_tokens=True)
+        assert res == expected
+        assert tokens == ("2012 MARTIN CHILDREN'S IRREVOCABLE TRUST u/a/d ",)
+
+    @pytest.mark.xfail
+    def test_extraneous_year2(self):
+        # This was found in the wild at insidertrading.org
+        dstr = ("Berylson Amy Smith 1998 Grantor Retained Annuity Trust "
+                "u/d/t November 2, 1998 f/b/o Jennifer L Berylson")
+        res = parse(dstr, fuzzy_with_tokens=True)
+        expected = datetime(1998, 11, 2)
+        assert res == expected
+
+    @pytest.mark.xfail
+    def test_extraneous_year3(self):
+        # This was found in the wild at insidertrading.org
+        dstr = "SMITH R &  WEISS D 94 CHILD TR FBO M W SMITH UDT 12/1/1994"
+        res = parse(dstr, fuzzy_with_tokens=True)
+        expected = datetime(1994, 12, 1)
+        assert res == expected
+
+    @pytest.mark.xfail
+    def test_unambiguous_YYYYMM(self):
+        # 171206 can be parsed as YYMMDD. However, 201712 cannot be parsed
+        # as instance of YYMMDD and parser could fallback to YYYYMM format.
+        dstr = "201712"
+        res = parse(dstr)
+        expected = datetime(2017, 12, 1)
+        assert res == expected
+
+    @pytest.mark.xfail
+    def test_extraneous_numerical_content(self):
+        # ref: https://github.com/dateutil/dateutil/issues/1029
+        # parser interprets price and percentage as parts of the date
+        dstr = "£14.99 (25% off, until April 20)"
+        res = parse(dstr, fuzzy=True, default=datetime(2000, 1, 1))
+        expected = datetime(2000, 4, 20)
+        assert res == expected
+
+
+@pytest.mark.skipif(IS_WIN, reason="Windows does not use TZ var")
+class TestTZVar(object):
+    def test_parse_unambiguous_nonexistent_local(self):
+        # When dates are specified "EST" even when they should be "EDT" in the
+        # local time zone, we should still assign the local time zone
+        with TZEnvContext('EST+5EDT,M3.2.0/2,M11.1.0/2'):
+            dt_exp = datetime(2011, 8, 1, 12, 30, tzinfo=tz.tzlocal())
+            dt = parse('2011-08-01T12:30 EST')
+
+            assert dt.tzname() == 'EDT'
+            assert dt == dt_exp
+
+    def test_tzlocal_in_gmt(self):
+        # GH #318
+        with TZEnvContext('GMT0BST,M3.5.0,M10.5.0'):
+            # This is an imaginary datetime in tz.tzlocal() but should still
+            # parse using the GMT-as-alias-for-UTC rule
+            dt = parse('2004-05-01T12:00 GMT')
+            dt_exp = datetime(2004, 5, 1, 12, tzinfo=tz.UTC)
+
+            assert dt == dt_exp
+
+    def test_tzlocal_parse_fold(self):
+        # One manifestion of GH #318
+        with TZEnvContext('EST+5EDT,M3.2.0/2,M11.1.0/2'):
+            dt_exp = datetime(2011, 11, 6, 1, 30, tzinfo=tz.tzlocal())
+            dt_exp = tz.enfold(dt_exp, fold=1)
+            dt = parse('2011-11-06T01:30 EST')
+
+            # Because this is ambiguous, until `tz.tzlocal() is tz.tzlocal()`
+            # we'll just check the attributes we care about rather than
+            # dt == dt_exp
+            assert dt.tzname() == dt_exp.tzname()
+            assert dt.replace(tzinfo=None) == dt_exp.replace(tzinfo=None)
+            assert getattr(dt, 'fold') == getattr(dt_exp, 'fold')
+            assert dt.astimezone(tz.UTC) == dt_exp.astimezone(tz.UTC)
+
+
+def test_parse_tzinfos_fold():
+    NYC = tz.gettz('America/New_York')
+    tzinfos = {'EST': NYC, 'EDT': NYC}
+
+    dt_exp = tz.enfold(datetime(2011, 11, 6, 1, 30, tzinfo=NYC), fold=1)
+    dt = parse('2011-11-06T01:30 EST', tzinfos=tzinfos)
+
+    assert dt == dt_exp
+    assert dt.tzinfo is dt_exp.tzinfo
+    assert getattr(dt, 'fold') == getattr(dt_exp, 'fold')
+    assert dt.astimezone(tz.UTC) == dt_exp.astimezone(tz.UTC)
+
+
+@pytest.mark.parametrize('dtstr,dt', [
+    ('5.6h', datetime(2003, 9, 25, 5, 36)),
+    ('5.6m', datetime(2003, 9, 25, 0, 5, 36)),
+    # '5.6s' never had a rounding problem, test added for completeness
+    ('5.6s', datetime(2003, 9, 25, 0, 0, 5, 600000))
+])
+def test_rounding_floatlike_strings(dtstr, dt):
+    assert parse(dtstr, default=datetime(2003, 9, 25)) == dt
+
+
+@pytest.mark.parametrize('value', ['1: test', 'Nan'])
+def test_decimal_error(value):
+    # GH 632, GH 662 - decimal.Decimal raises some non-ParserError exception
+    # when constructed with an invalid value
+    with pytest.raises(ParserError):
+        parse(value)
+
+def test_parsererror_repr():
+    # GH 991 — the __repr__ was not properly indented and so was never defined.
+    # This tests the current behavior of the ParserError __repr__, but the
+    # precise format is not guaranteed to be stable and may change even in
+    # minor versions. This test exists to avoid regressions.
+    s = repr(ParserError("Problem with string: %s", "2019-01-01"))
+
+    assert s == "ParserError('Problem with string: %s', '2019-01-01')"