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Fixed #29500 -- Fixed SQLite function crashes on null values.

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Co-authored-by: Srinivas Reddy Thatiparthy <thatiparthysreenivas@gmail.com>
Co-authored-by: Nick Pope <nick.pope@flightdataservices.com>
This commit is contained in:
Srinivas Reddy Thatiparthy 2018-07-01 02:19:20 +05:30 • committed by Tim Graham
parent 76dfa834e7
commit 34d6bceec4
29 changed files with 272 additions and 38 deletions
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16
tests/backends/sqlite/tests.py
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@ -59,6 +59,22 @@ class Tests(TestCase):
creation = DatabaseWrapper(settings_dict).creation
self.assertEqual(creation._get_test_db_name(), creation.connection.settings_dict['TEST']['NAME'])
def test_regexp_function(self):
tests = (
('test', r'[0-9]+', False),
('test', r'[a-z]+', True),
('test', None, None),
(None, r'[a-z]+', None),
(None, None, None),
)
for string, pattern, expected in tests:
with self.subTest((string, pattern)):
with connection.cursor() as cursor:
cursor.execute('SELECT %s REGEXP %s', [string, pattern])
value = cursor.fetchone()[0]
value = bool(value) if value in {0, 1} else value
self.assertIs(value, expected)
@unittest.skipUnless(connection.vendor == 'sqlite', 'SQLite tests')
@isolate_apps('backends')