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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