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95 lines
5.2 KiB
Python
95 lines
5.2 KiB
Python
import unittest
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from io import StringIO
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from unittest import mock
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from django.db import DatabaseError, connection
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from django.db.backends.oracle.creation import DatabaseCreation
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from django.test import TestCase
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@unittest.skipUnless(connection.vendor == 'oracle', 'Oracle tests')
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@mock.patch.object(DatabaseCreation, '_maindb_connection', return_value=connection)
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@mock.patch('sys.stdout', new_callable=StringIO)
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@mock.patch('sys.stderr', new_callable=StringIO)
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class DatabaseCreationTests(TestCase):
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def _execute_raise_user_already_exists(self, cursor, statements, parameters, verbosity, allow_quiet_fail=False):
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# Raise "user already exists" only in test user creation
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if statements and statements[0].startswith('CREATE USER'):
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raise DatabaseError("ORA-01920: user name 'string' conflicts with another user or role name")
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def _execute_raise_tablespace_already_exists(
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self, cursor, statements, parameters, verbosity, allow_quiet_fail=False
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):
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raise DatabaseError("ORA-01543: tablespace 'string' already exists")
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def _execute_raise_insufficient_privileges(
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self, cursor, statements, parameters, verbosity, allow_quiet_fail=False
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):
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raise DatabaseError("ORA-01031: insufficient privileges")
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def _test_database_passwd(self):
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# Mocked to avoid test user password changed
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return connection.settings_dict['SAVED_PASSWORD']
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def patch_execute_statements(self, execute_statements):
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return mock.patch.object(DatabaseCreation, '_execute_statements', execute_statements)
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@mock.patch.object(DatabaseCreation, '_test_user_create', return_value=False)
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def test_create_test_db(self, *mocked_objects):
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creation = DatabaseCreation(connection)
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# Simulate test database creation raising "tablespace already exists"
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with self.patch_execute_statements(self._execute_raise_tablespace_already_exists):
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with mock.patch('builtins.input', return_value='no'):
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with self.assertRaises(SystemExit):
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# SystemExit is raised if the user answers "no" to the
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# prompt asking if it's okay to delete the test tablespace.
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creation._create_test_db(verbosity=0, keepdb=False)
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# "Tablespace already exists" error is ignored when keepdb is on
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creation._create_test_db(verbosity=0, keepdb=True)
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# Simulate test database creation raising unexpected error
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with self.patch_execute_statements(self._execute_raise_insufficient_privileges):
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with self.assertRaises(SystemExit):
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creation._create_test_db(verbosity=0, keepdb=False)
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with self.assertRaises(SystemExit):
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creation._create_test_db(verbosity=0, keepdb=True)
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@mock.patch.object(DatabaseCreation, '_test_database_create', return_value=False)
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def test_create_test_user(self, *mocked_objects):
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creation = DatabaseCreation(connection)
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with mock.patch.object(DatabaseCreation, '_test_database_passwd', self._test_database_passwd):
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# Simulate test user creation raising "user already exists"
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with self.patch_execute_statements(self._execute_raise_user_already_exists):
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with mock.patch('builtins.input', return_value='no'):
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with self.assertRaises(SystemExit):
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# SystemExit is raised if the user answers "no" to the
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# prompt asking if it's okay to delete the test user.
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creation._create_test_db(verbosity=0, keepdb=False)
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# "User already exists" error is ignored when keepdb is on
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creation._create_test_db(verbosity=0, keepdb=True)
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# Simulate test user creation raising unexpected error
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with self.patch_execute_statements(self._execute_raise_insufficient_privileges):
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with self.assertRaises(SystemExit):
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creation._create_test_db(verbosity=0, keepdb=False)
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with self.assertRaises(SystemExit):
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creation._create_test_db(verbosity=0, keepdb=True)
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def test_oracle_managed_files(self, *mocked_objects):
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def _execute_capture_statements(self, cursor, statements, parameters, verbosity, allow_quiet_fail=False):
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self.tblspace_sqls = statements
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creation = DatabaseCreation(connection)
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# Simulate test database creation with Oracle Managed File (OMF)
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# tablespaces.
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with mock.patch.object(DatabaseCreation, '_test_database_oracle_managed_files', return_value=True):
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with self.patch_execute_statements(_execute_capture_statements):
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with connection.cursor() as cursor:
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creation._execute_test_db_creation(cursor, creation._get_test_db_params(), verbosity=0)
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tblspace_sql, tblspace_tmp_sql = creation.tblspace_sqls
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# Datafile names shouldn't appear.
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self.assertIn('DATAFILE SIZE', tblspace_sql)
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self.assertIn('TEMPFILE SIZE', tblspace_tmp_sql)
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# REUSE cannot be used with OMF.
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self.assertNotIn('REUSE', tblspace_sql)
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self.assertNotIn('REUSE', tblspace_tmp_sql)
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