Fixed #29788 -- Added support for Oracle Managed File (OMF) tablespaces.

4 files changed, 65 insertions, 10 deletions

diff --git a/django/db/backends/oracle/creation.py b/django/db/backends/oracle/creation.py
index 109b97b3f2..98ea186dcb 100644
--- a/django/db/backends/oracle/creation.py
+++ b/django/db/backends/oracle/creation.py
@@ -187,16 +187,32 @@ class DatabaseCreation(BaseDatabaseCreation):
     def _execute_test_db_creation(self, cursor, parameters, verbosity, keepdb=False):
         if verbosity >= 2:
             self.log('_create_test_db(): dbname = %s' % parameters['user'])
-        statements = [
-            """CREATE TABLESPACE %(tblspace)s
-               DATAFILE '%(datafile)s' SIZE %(size)s
-               REUSE AUTOEXTEND ON NEXT %(extsize)s MAXSIZE %(maxsize)s
-            """,
-            """CREATE TEMPORARY TABLESPACE %(tblspace_temp)s
-               TEMPFILE '%(datafile_tmp)s' SIZE %(size_tmp)s
-               REUSE AUTOEXTEND ON NEXT %(extsize_tmp)s MAXSIZE %(maxsize_tmp)s
-            """,
-        ]
+        if self._test_database_oracle_managed_files():
+            statements = [
+                """
+                CREATE TABLESPACE %(tblspace)s
+                DATAFILE SIZE %(size)s
+                AUTOEXTEND ON NEXT %(extsize)s MAXSIZE %(maxsize)s
+                """,
+                """
+                CREATE TEMPORARY TABLESPACE %(tblspace_temp)s
+                TEMPFILE SIZE %(size_tmp)s
+                AUTOEXTEND ON NEXT %(extsize_tmp)s MAXSIZE %(maxsize_tmp)s
+                """,
+            ]
+        else:
+            statements = [
+                """
+                CREATE TABLESPACE %(tblspace)s
+                DATAFILE '%(datafile)s' SIZE %(size)s REUSE
+                AUTOEXTEND ON NEXT %(extsize)s MAXSIZE %(maxsize)s
+                """,
+                """
+                CREATE TEMPORARY TABLESPACE %(tblspace_temp)s
+                TEMPFILE '%(datafile_tmp)s' SIZE %(size_tmp)s REUSE
+                AUTOEXTEND ON NEXT %(extsize_tmp)s MAXSIZE %(maxsize_tmp)s
+                """,
+            ]
         # Ignore "tablespace already exists" error when keepdb is on.
         acceptable_ora_err = 'ORA-01543' if keepdb else None
         self._execute_allow_fail_statements(cursor, statements, parameters, verbosity, acceptable_ora_err)
@@ -359,6 +375,9 @@ class DatabaseCreation(BaseDatabaseCreation):
     def _test_database_tblspace_tmp_extsize(self):
         return self._test_settings_get('DATAFILE_TMP_EXTSIZE', default='25M')
 
+    def _test_database_oracle_managed_files(self):
+        return self._test_settings_get('ORACLE_MANAGED_FILES', default=False)
+
     def _get_test_db_name(self):
         """
         Return the 'production' DB name to get the test DB creation machinery
diff --git a/docs/ref/settings.txt b/docs/ref/settings.txt
index a3f6f421dd..40f8a5cf49 100644
--- a/docs/ref/settings.txt
+++ b/docs/ref/settings.txt
@@ -842,6 +842,20 @@ This is an Oracle-specific setting.
 The password to use when connecting to the Oracle database that will be used
 when running tests. If not provided, Django will generate a random password.
 
+.. setting:: TEST_ORACLE_MANAGED_FILES
+
+``ORACLE_MANAGED_FILES``
+^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. versionadded:: 2.2
+
+Default: ``False``
+
+This is an Oracle-specific setting.
+
+If set to ``True``, Oracle Managed Files (OMF) tablespaces will be used.
+:setting:`DATAFILE` and :setting:`DATAFILE_TMP` will be ignored.
+
 .. setting:: TEST_TBLSPACE
 
 ``TBLSPACE``
diff --git a/docs/releases/2.2.txt b/docs/releases/2.2.txt
index 8a7a75a0bc..debc60c5f6 100644
--- a/docs/releases/2.2.txt
+++ b/docs/releases/2.2.txt
@@ -257,6 +257,9 @@ Tests
   serialization of list and tuple ``data`` when
   ``content_type='application/json'``.
 
+* The new :setting:`ORACLE_MANAGED_FILES <TEST_ORACLE_MANAGED_FILES>` test
+  database setting allows using Oracle Managed Files (OMF) tablespaces.
+
 URLs
 ~~~~
 
diff --git a/tests/backends/oracle/test_creation.py b/tests/backends/oracle/test_creation.py
index 1688c4efd2..f090a0ac89 100644
--- a/tests/backends/oracle/test_creation.py
+++ b/tests/backends/oracle/test_creation.py
@@ -74,3 +74,22 @@ class DatabaseCreationTests(TestCase):
                     creation._create_test_db(verbosity=0, keepdb=False)
                 with self.assertRaises(SystemExit):
                     creation._create_test_db(verbosity=0, keepdb=True)
+
+    def test_oracle_managed_files(self, *mocked_objects):
+        def _execute_capture_statements(self, cursor, statements, parameters, verbosity, allow_quiet_fail=False):
+            self.tblspace_sqls = statements
+
+        creation = DatabaseCreation(connection)
+        # Simulate test database creation with Oracle Managed File (OMF)
+        # tablespaces.
+        with mock.patch.object(DatabaseCreation, '_test_database_oracle_managed_files', return_value=True):
+            with self.patch_execute_statements(_execute_capture_statements):
+                with connection.cursor() as cursor:
+                    creation._execute_test_db_creation(cursor, creation._get_test_db_params(), verbosity=0)
+                    tblspace_sql, tblspace_tmp_sql = creation.tblspace_sqls
+                    # Datafile names shouldn't appear.
+                    self.assertIn('DATAFILE SIZE', tblspace_sql)
+                    self.assertIn('TEMPFILE SIZE', tblspace_tmp_sql)
+                    # REUSE cannot be used with OMF.
+                    self.assertNotIn('REUSE', tblspace_sql)
+                    self.assertNotIn('REUSE', tblspace_tmp_sql)