mirror of https://github.com/django/django.git
124 lines
4.5 KiB
Python
124 lines
4.5 KiB
Python
# -*- coding: utf-8 -*-
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# Unit and doctests for specific database backends.
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import datetime
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import models
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import unittest
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from django.db import backend, connection, DEFAULT_DB_ALIAS
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from django.db.backends.signals import connection_created
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from django.conf import settings
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from django.test import TestCase
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class Callproc(unittest.TestCase):
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def test_dbms_session(self):
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# If the backend is Oracle, test that we can call a standard
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# stored procedure through our cursor wrapper.
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if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] == 'django.db.backends.oracle':
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convert_unicode = backend.convert_unicode
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cursor = connection.cursor()
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cursor.callproc(convert_unicode('DBMS_SESSION.SET_IDENTIFIER'),
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[convert_unicode('_django_testing!'),])
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return True
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else:
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return True
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class LongString(unittest.TestCase):
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def test_long_string(self):
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# If the backend is Oracle, test that we can save a text longer
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# than 4000 chars and read it properly
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if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] == 'django.db.backends.oracle':
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c = connection.cursor()
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c.execute('CREATE TABLE ltext ("TEXT" NCLOB)')
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long_str = ''.join([unicode(x) for x in xrange(4000)])
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c.execute('INSERT INTO ltext VALUES (%s)',[long_str])
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c.execute('SELECT text FROM ltext')
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row = c.fetchone()
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c.execute('DROP TABLE ltext')
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self.assertEquals(long_str, row[0].read())
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class DateQuotingTest(TestCase):
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def test_django_date_trunc(self):
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"""
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Test the custom ``django_date_trunc method``, in particular against
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fields which clash with strings passed to it (e.g. 'year') - see
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#12818__.
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__: http://code.djangoproject.com/ticket/12818
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"""
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updated = datetime.datetime(2010, 2, 20)
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models.SchoolClass.objects.create(year=2009, last_updated=updated)
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years = models.SchoolClass.objects.dates('last_updated', 'year')
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self.assertEqual(list(years), [datetime.datetime(2010, 1, 1, 0, 0)])
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def test_django_extract(self):
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"""
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Test the custom ``django_extract method``, in particular against fields
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which clash with strings passed to it (e.g. 'day') - see #12818__.
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__: http://code.djangoproject.com/ticket/12818
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"""
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updated = datetime.datetime(2010, 2, 20)
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models.SchoolClass.objects.create(year=2009, last_updated=updated)
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classes = models.SchoolClass.objects.filter(last_updated__day=20)
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self.assertEqual(len(classes), 1)
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class ParameterHandlingTest(TestCase):
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def test_bad_parameter_count(self):
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"An executemany call with too many/not enough parameters will raise an exception (Refs #12612)"
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cursor = connection.cursor()
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query = ('INSERT INTO %s (%s, %s) VALUES (%%s, %%s)' % (
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connection.introspection.table_name_converter('backends_square'),
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connection.ops.quote_name('root'),
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connection.ops.quote_name('square')
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))
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self.assertRaises(Exception, cursor.executemany, query, [(1,2,3),])
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self.assertRaises(Exception, cursor.executemany, query, [(1,),])
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def connection_created_test(sender, **kwargs):
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print 'connection_created signal'
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__test__ = {'API_TESTS': """
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# Check Postgres version parsing
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>>> from django.db.backends.postgresql import version as pg_version
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>>> 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)")
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(8, 3, 1)
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>>> pg_version._parse_version("PostgreSQL 8.3.6")
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(8, 3, 6)
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>>> pg_version._parse_version("PostgreSQL 8.3")
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(8, 3, None)
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>>> pg_version._parse_version("EnterpriseDB 8.3")
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(8, 3, None)
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>>> pg_version._parse_version("PostgreSQL 8.3 beta4")
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(8, 3, None)
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>>> pg_version._parse_version("PostgreSQL 8.4beta1")
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(8, 4, None)
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"""}
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# Unfortunately with sqlite3 the in-memory test database cannot be
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# closed, and so it cannot be re-opened during testing, and so we
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# sadly disable this test for now.
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if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] != 'django.db.backends.sqlite3':
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__test__['API_TESTS'] += """
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>>> connection_created.connect(connection_created_test)
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>>> connection.close() # Ensure the connection is closed
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>>> cursor = connection.cursor()
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connection_created signal
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>>> connection_created.disconnect(connection_created_test)
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>>> cursor = connection.cursor()
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"""
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if __name__ == '__main__':
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unittest.main()
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