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33 lines
1.3 KiB
Python
33 lines
1.3 KiB
Python
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from django.db import DEFAULT_DB_ALIAS, connection, connections
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from django.db.backends.base.base import BaseDatabaseWrapper
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from django.test import SimpleTestCase
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class DatabaseWrapperTests(SimpleTestCase):
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def test_initialization_class_attributes(self):
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"""
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The "initialization" class attributes like client_class and
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creation_class should be set on the class and reflected in the
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corresponding instance attributes of the instantiated backend.
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"""
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conn = connections[DEFAULT_DB_ALIAS]
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conn_class = type(conn)
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attr_names = [
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('client_class', 'client'),
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('creation_class', 'creation'),
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('features_class', 'features'),
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('introspection_class', 'introspection'),
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('ops_class', 'ops'),
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('validation_class', 'validation'),
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]
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for class_attr_name, instance_attr_name in attr_names:
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class_attr_value = getattr(conn_class, class_attr_name)
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self.assertIsNotNone(class_attr_value)
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instance_attr_value = getattr(conn, instance_attr_name)
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self.assertIsInstance(instance_attr_value, class_attr_value)
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def test_initialization_display_name(self):
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self.assertEqual(BaseDatabaseWrapper.display_name, 'unknown')
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self.assertNotEqual(connection.display_name, 'unknown')
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