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31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
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from contextlib import contextmanager
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from django.core.exceptions import FieldDoesNotExist, FieldError
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from django.db.models.query_utils import InvalidQuery
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from django.test import SimpleTestCase
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from django.utils.deprecation import RemovedInDjango40Warning
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class InvalidQueryTests(SimpleTestCase):
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@contextmanager
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def assert_warns(self):
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msg = (
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'The InvalidQuery exception class is deprecated. Use '
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'FieldDoesNotExist or FieldError instead.'
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)
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with self.assertWarnsMessage(RemovedInDjango40Warning, msg):
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yield
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def test_type(self):
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self.assertIsInstance(InvalidQuery(), InvalidQuery)
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def test_isinstance(self):
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for exception in (FieldError, FieldDoesNotExist):
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with self.assert_warns(), self.subTest(exception.__name__):
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self.assertIsInstance(exception(), InvalidQuery)
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def test_issubclass(self):
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for exception in (FieldError, FieldDoesNotExist, InvalidQuery):
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with self.assert_warns(), self.subTest(exception.__name__):
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self.assertIs(issubclass(exception, InvalidQuery), True)
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