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[3.7] bpo-34482: test datetime classes' handling of non-UTF-8-encodable strings (GH-8878) #10049

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Merged
miss-islington merged 1 commit into from
Oct 23, 2018
Merged

[3.7] bpo-34482: test datetime classes' handling of non-UTF-8-encodable strings (GH-8878) #10049

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40 changes: 40 additions & 0 deletions 40 Lib/test/datetimetester.py
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Original file line number Diff line number Diff line change
Expand Up @@ -303,6 +303,8 @@ def test_tzname(self):
self.assertEqual('UTC+09:30', timezone(9.5 * HOUR).tzname(None))
self.assertEqual('UTC-00:01', timezone(timedelta(minutes=-1)).tzname(None))
self.assertEqual('XYZ', timezone(-5 * HOUR, 'XYZ').tzname(None))
# bpo-34482: Check that surrogates are handled properly.
self.assertEqual('\ud800', timezone(ZERO, '\ud800').tzname(None))

# Sub-minute offsets:
self.assertEqual('UTC+01:06:40', timezone(timedelta(0, 4000)).tzname(None))
Expand Down Expand Up @@ -1308,6 +1310,12 @@ def test_strftime(self):
except ValueError:
pass

# bpo-34482: Check that surrogates don't cause a crash.
try:
t.strftime('%y\ud800%m')
except UnicodeEncodeError:
pass

#check that this standard extension works
t.strftime("%f")

Expand Down Expand Up @@ -1747,6 +1755,9 @@ def test_isoformat(self):
self.assertEqual(t.isoformat('T'), "0001-02-03T04:05:01.000123")
self.assertEqual(t.isoformat(' '), "0001-02-03 04:05:01.000123")
self.assertEqual(t.isoformat('\x00'), "0001-02-03\x0004:05:01.000123")
# bpo-34482: Check that surrogates are handled properly.
self.assertEqual(t.isoformat('\ud800'),
"0001-02-03\ud80004:05:01.000123")
self.assertEqual(t.isoformat(timespec='hours'), "0001-02-03T04")
self.assertEqual(t.isoformat(timespec='minutes'), "0001-02-03T04:05")
self.assertEqual(t.isoformat(timespec='seconds'), "0001-02-03T04:05:01")
Expand All @@ -1755,6 +1766,8 @@ def test_isoformat(self):
self.assertEqual(t.isoformat(timespec='auto'), "0001-02-03T04:05:01.000123")
self.assertEqual(t.isoformat(sep=' ', timespec='minutes'), "0001-02-03 04:05")
self.assertRaises(ValueError, t.isoformat, timespec='foo')
# bpo-34482: Check that surrogates are handled properly.
self.assertRaises(ValueError, t.isoformat, timespec='\ud800')
# str is ISO format with the separator forced to a blank.
self.assertEqual(str(t), "0001-02-03 04:05:01.000123")

Expand Down Expand Up @@ -2286,6 +2299,19 @@ def test_strptime(self):
self.assertIs(type(expected), self.theclass)
self.assertIs(type(got), self.theclass)

# bpo-34482: Check that surrogates are handled properly.
inputs = [
('2004-12-01\ud80013:02:47.197', '%Y-%m-%d\ud800%H:%M:%S.%f'),
('2004\ud80012-01 13:02:47.197', '%Y\ud800%m-%d %H:%M:%S.%f'),
('2004-12-01 13:02\ud80047.197', '%Y-%m-%d %H:%M\ud800%S.%f'),
]
for string, format in inputs:
with self.subTest(string=string, format=format):
expected = _strptime._strptime_datetime(self.theclass, string,
format)
got = self.theclass.strptime(string, format)
self.assertEqual(expected, got)

strptime = self.theclass.strptime
self.assertEqual(strptime("+0002", "%z").utcoffset(), 2 * MINUTE)
self.assertEqual(strptime("-0002", "%z").utcoffset(), -2 * MINUTE)
Expand Down Expand Up @@ -2353,6 +2379,12 @@ def test_more_strftime(self):
t = t.replace(tzinfo=tz)
self.assertEqual(t.strftime("%z"), "-0200" + z)

# bpo-34482: Check that surrogates don't cause a crash.
try:
t.strftime('%y\ud800%m %H\ud800%M')
except UnicodeEncodeError:
pass

def test_extract(self):
dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234)
self.assertEqual(dt.date(), date(2002, 3, 4))
Expand Down Expand Up @@ -2878,6 +2910,8 @@ def test_isoformat(self):
self.assertEqual(t.isoformat(timespec='microseconds'), "12:34:56.123456")
self.assertEqual(t.isoformat(timespec='auto'), "12:34:56.123456")
self.assertRaises(ValueError, t.isoformat, timespec='monkey')
# bpo-34482: Check that surrogates are handled properly.
self.assertRaises(ValueError, t.isoformat, timespec='\ud800')

t = self.theclass(hour=12, minute=34, second=56, microsecond=999500)
self.assertEqual(t.isoformat(timespec='milliseconds'), "12:34:56.999")
Expand Down Expand Up @@ -2928,6 +2962,12 @@ def test_strftime(self):
# A naive object replaces %z and %Z with empty strings.
self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''")

# bpo-34482: Check that surrogates don't cause a crash.
try:
t.strftime('%H\ud800%M')
except UnicodeEncodeError:
pass

def test_format(self):
t = self.theclass(1, 2, 3, 4)
self.assertEqual(t.__format__(''), str(t))
Expand Down
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