mirror of https://github.com/django/django.git
44 lines
1.7 KiB
Python
44 lines
1.7 KiB
Python
from unittest import mock
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from django.db import connections, models
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from django.test import SimpleTestCase
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from django.test.utils import isolate_apps, override_settings
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class TestRouter:
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"""
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Routes to the 'other' database if the model name starts with 'Other'.
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"""
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def allow_migrate(self, db, app_label, model_name=None, **hints):
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return db == ('other' if model_name.startswith('other') else 'default')
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@override_settings(DATABASE_ROUTERS=[TestRouter()])
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@isolate_apps('check_framework')
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class TestMultiDBChecks(SimpleTestCase):
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def _patch_check_field_on(self, db):
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return mock.patch.object(connections[db].validation, 'check_field')
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def test_checks_called_on_the_default_database(self):
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class Model(models.Model):
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field = models.CharField(max_length=100)
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model = Model()
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with self._patch_check_field_on('default') as mock_check_field_default:
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with self._patch_check_field_on('other') as mock_check_field_other:
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model.check(databases={'default', 'other'})
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self.assertTrue(mock_check_field_default.called)
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self.assertFalse(mock_check_field_other.called)
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def test_checks_called_on_the_other_database(self):
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class OtherModel(models.Model):
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field = models.CharField(max_length=100)
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model = OtherModel()
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with self._patch_check_field_on('other') as mock_check_field_other:
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with self._patch_check_field_on('default') as mock_check_field_default:
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model.check(databases={'default', 'other'})
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self.assertTrue(mock_check_field_other.called)
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self.assertFalse(mock_check_field_default.called)
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