import io from django.core.management import call_command from django.test import TestCase class CoreCommandsNoOutputTests(TestCase): available_apps = ['empty_models'] def test_sqlflush_no_tables(self): err = io.StringIO() call_command('sqlflush', stderr=err) self.assertEqual(err.getvalue(), 'No tables found.\n') def test_sqlsequencereset_no_sequences(self): err = io.StringIO() call_command('sqlsequencereset', 'empty_models', stderr=err) self.assertEqual(err.getvalue(), 'No sequences found.\n')