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f39b0421b4
Thanks Jonathan Lindén for the initial patch, and Tim Graham and Gabe Jackson for the suggestions.
58 lines
2.1 KiB
Python
58 lines
2.1 KiB
Python
from django.core import management
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from django.core.checks import run_checks, Error
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from django.db.models.signals import post_init
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from django.test import TestCase
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from django.utils import six
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from django.test.utils import override_settings
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class OnPostInit(object):
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def __call__(self, **kwargs):
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pass
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def on_post_init(**kwargs):
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pass
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@override_settings(
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INSTALLED_APPS=['django.contrib.auth', 'django.contrib.contenttypes'],
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SILENCED_SYSTEM_CHECKS=['fields.W342'], # ForeignKey(unique=True)
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)
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class ModelValidationTest(TestCase):
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def test_models_validate(self):
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# All our models should validate properly
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# Validation Tests:
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# * choices= Iterable of Iterables
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# See: https://code.djangoproject.com/ticket/20430
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# * related_name='+' doesn't clash with another '+'
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# See: https://code.djangoproject.com/ticket/21375
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management.call_command("check", stdout=six.StringIO())
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def test_model_signal(self):
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unresolved_references = post_init.unresolved_references.copy()
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post_init.connect(on_post_init, sender='missing-app.Model')
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post_init.connect(OnPostInit(), sender='missing-app.Model')
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errors = run_checks()
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expected = [
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Error(
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"The 'on_post_init' function was connected to the 'post_init' "
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"signal with a lazy reference to the 'missing-app.Model' "
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"sender, which has not been installed.",
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hint=None,
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obj='model_validation.tests',
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id='signals.E001',
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),
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Error(
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"An instance of the 'OnPostInit' class was connected to "
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"the 'post_init' signal with a lazy reference to the "
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"'missing-app.Model' sender, which has not been installed.",
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hint=None,
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obj='model_validation.tests',
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id='signals.E001',
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)
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]
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self.assertEqual(errors, expected)
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post_init.unresolved_references = unresolved_references
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