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32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
# -*- encoding: utf-8 -*-
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from __future__ import unicode_literals
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from django.core.checks import Error
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from django.db import connections, models
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from django.test import SimpleTestCase, mock
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from django.test.utils import isolate_apps
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def dummy_allow_migrate(db, app_label, **hints):
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# Prevent checks from being run on the 'other' database, which doesn't have
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# its check_field() method mocked in the test.
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return db == 'default'
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@isolate_apps('invalid_models_tests')
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class BackendSpecificChecksTests(SimpleTestCase):
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@mock.patch('django.db.models.fields.router.allow_migrate', new=dummy_allow_migrate)
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def test_check_field(self):
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""" Test if backend specific checks are performed. """
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error = Error('an error', hint=None)
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class Model(models.Model):
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field = models.IntegerField()
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field = Model._meta.get_field('field')
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with mock.patch.object(connections['default'].validation, 'check_field', return_value=[error]):
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errors = field.check()
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self.assertEqual(errors, [error])
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