django/tests/regressiontests/backends/tests.py

79 lines
2.6 KiB
Python

# -*- coding: utf-8 -*-
# Unit and doctests for specific database backends.
import unittest
from django.db import backend, connection
from django.db.backends.signals import connection_created
from django.conf import settings
class Callproc(unittest.TestCase):
def test_dbms_session(self):
# If the backend is Oracle, test that we can call a standard
# stored procedure through our cursor wrapper.
if settings.DATABASE_ENGINE == 'oracle':
convert_unicode = backend.convert_unicode
cursor = connection.cursor()
cursor.callproc(convert_unicode('DBMS_SESSION.SET_IDENTIFIER'),
[convert_unicode('_django_testing!'),])
return True
else:
return True
class LongString(unittest.TestCase):
def test_long_string(self):
# If the backend is Oracle, test that we can save a text longer
# than 4000 chars and read it properly
if settings.DATABASE_ENGINE == 'oracle':
c = connection.cursor()
c.execute('CREATE TABLE ltext ("TEXT" NCLOB)')
long_str = ''.join([unicode(x) for x in xrange(4000)])
c.execute('INSERT INTO ltext VALUES (%s)',[long_str])
c.execute('SELECT text FROM ltext')
row = c.fetchone()
c.execute('DROP TABLE ltext')
self.assertEquals(long_str, row[0].read())
def connection_created_test(sender, **kwargs):
print 'connection_created signal'
__test__ = {'API_TESTS': """
# Check Postgres version parsing
>>> from django.db.backends.postgresql import version as pg_version
>>> pg_version._parse_version("PostgreSQL 8.3.1 on i386-apple-darwin9.2.2, compiled by GCC i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5478)")
(8, 3, 1)
>>> pg_version._parse_version("PostgreSQL 8.3.6")
(8, 3, 6)
>>> pg_version._parse_version("PostgreSQL 8.3")
(8, 3, None)
>>> pg_version._parse_version("EnterpriseDB 8.3")
(8, 3, None)
>>> pg_version._parse_version("PostgreSQL 8.3 beta4")
(8, 3, None)
>>> pg_version._parse_version("PostgreSQL 8.4beta1")
(8, 4, None)
"""}
# Unfortunately with sqlite3 the in-memory test database cannot be
# closed, and so it cannot be re-opened during testing, and so we
# sadly disable this test for now.
if settings.DATABASE_ENGINE != 'sqlite3':
__test__['API_TESTS'] += """
>>> connection_created.connect(connection_created_test)
>>> connection.close() # Ensure the connection is closed
>>> cursor = connection.cursor()
connection_created signal
>>> connection_created.disconnect(connection_created_test)
>>> cursor = connection.cursor()
"""
if __name__ == '__main__':
unittest.main()