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23 lines
721 B
Python
23 lines
721 B
Python
import warnings
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from django.test import TestCase
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from .models import Cash, CashModelDeprecated
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class FromDBValueDeprecationTests(TestCase):
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def test_deprecation(self):
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CashModelDeprecated.objects.create(cash='12.50')
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with warnings.catch_warnings(record=True) as warns:
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warnings.simplefilter('always')
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instance = CashModelDeprecated.objects.get()
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self.assertIsInstance(instance.cash, Cash)
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self.assertEqual(len(warns), 1)
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msg = str(warns[0].message)
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self.assertEqual(
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msg,
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'Remove the context parameter from CashFieldDeprecated.from_db_value(). '
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'Support for it will be removed in Django 3.0.'
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)
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