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57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
from django.core import management
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from django.core.checks import Error, run_checks
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from django.db.models.signals import post_init
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from django.test import SimpleTestCase
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from django.test.utils import override_settings
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from django.utils import six
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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(SimpleTestCase):
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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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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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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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