[soc2009/multidb] Fix the remaining tests that were depending on the out of date setting.

git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2009/multidb@11407 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/backends/tests.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # Unit and doctests for specific database backends.
 import unittest
-from django.db import connection
+from django.db import connection, DEFAULT_DB_ALIAS
 from django.db.backends.signals import connection_created
 from django.conf import settings
 
@@ -10,7 +10,7 @@ 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':
+        if settings.DATABASES[DEFAULT_DB_ALIAS]['DATABASE_ENGINE'] == 'oracle':
             cursor = connection.cursor()
             cursor.callproc('DBMS_SESSION.SET_IDENTIFIER',
                             ['_django_testing!',])
@@ -33,6 +33,21 @@ class LongString(unittest.TestCase):
             c.execute('DROP TABLE ltext')
             self.assertEquals(long_str, row[0].read())
 
+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.DATABASES[DEFAULT_DB_ALIAS]['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'
 
@@ -63,7 +78,7 @@ __test__ = {'API_TESTS': """
 # 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':
+if settings.DATABASES[DEFAULT_DB_ALIAS]['DATABASE_ENGINE'] != 'sqlite3':
     __test__['API_TESTS'] += """
 >>> connection_created.connect(connection_created_test)
 >>> connection.close() # Ensure the connection is closed