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118 lines
4.4 KiB
Python
118 lines
4.4 KiB
Python
from django.contrib import admin
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from django.contrib.admin.decorators import register
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from django.contrib.admin.sites import site
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from django.core.exceptions import ImproperlyConfigured
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from django.test import SimpleTestCase
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from .models import Location, Person, Place, Traveler
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class NameAdmin(admin.ModelAdmin):
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list_display = ['name']
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save_on_top = True
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class CustomSite(admin.AdminSite):
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pass
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class TestRegistration(SimpleTestCase):
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def setUp(self):
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self.site = admin.AdminSite()
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def test_bare_registration(self):
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self.site.register(Person)
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self.assertIsInstance(self.site._registry[Person], admin.ModelAdmin)
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def test_registration_with_model_admin(self):
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self.site.register(Person, NameAdmin)
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self.assertIsInstance(self.site._registry[Person], NameAdmin)
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def test_prevent_double_registration(self):
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self.site.register(Person)
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msg = 'The model Person is already registered'
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with self.assertRaisesMessage(admin.sites.AlreadyRegistered, msg):
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self.site.register(Person)
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def test_registration_with_star_star_options(self):
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self.site.register(Person, search_fields=['name'])
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self.assertEqual(self.site._registry[Person].search_fields, ['name'])
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def test_star_star_overrides(self):
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self.site.register(Person, NameAdmin, search_fields=["name"], list_display=['__str__'])
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self.assertEqual(self.site._registry[Person].search_fields, ['name'])
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self.assertEqual(self.site._registry[Person].list_display, ['__str__'])
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self.assertTrue(self.site._registry[Person].save_on_top)
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def test_iterable_registration(self):
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self.site.register([Person, Place], search_fields=['name'])
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self.assertIsInstance(self.site._registry[Person], admin.ModelAdmin)
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self.assertEqual(self.site._registry[Person].search_fields, ['name'])
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self.assertIsInstance(self.site._registry[Place], admin.ModelAdmin)
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self.assertEqual(self.site._registry[Place].search_fields, ['name'])
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def test_abstract_model(self):
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"""
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Exception is raised when trying to register an abstract model.
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Refs #12004.
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"""
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msg = 'The model Location is abstract, so it cannot be registered with admin.'
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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self.site.register(Location)
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def test_is_registered_model(self):
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"Checks for registered models should return true."
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self.site.register(Person)
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self.assertTrue(self.site.is_registered(Person))
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def test_is_registered_not_registered_model(self):
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"Checks for unregistered models should return false."
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self.assertFalse(self.site.is_registered(Person))
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class TestRegistrationDecorator(SimpleTestCase):
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"""
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Tests the register decorator in admin.decorators
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For clarity:
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@register(Person)
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class AuthorAdmin(ModelAdmin):
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pass
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is functionally equal to (the way it is written in these tests):
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AuthorAdmin = register(Person)(AuthorAdmin)
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"""
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def setUp(self):
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self.default_site = site
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self.custom_site = CustomSite()
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def test_basic_registration(self):
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register(Person)(NameAdmin)
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self.assertIsInstance(self.default_site._registry[Person], admin.ModelAdmin)
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self.default_site.unregister(Person)
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def test_custom_site_registration(self):
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register(Person, site=self.custom_site)(NameAdmin)
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self.assertIsInstance(self.custom_site._registry[Person], admin.ModelAdmin)
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def test_multiple_registration(self):
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register(Traveler, Place)(NameAdmin)
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self.assertIsInstance(self.default_site._registry[Traveler], admin.ModelAdmin)
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self.default_site.unregister(Traveler)
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self.assertIsInstance(self.default_site._registry[Place], admin.ModelAdmin)
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self.default_site.unregister(Place)
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def test_wrapped_class_not_a_model_admin(self):
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with self.assertRaisesMessage(ValueError, 'Wrapped class must subclass ModelAdmin.'):
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register(Person)(CustomSite)
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def test_custom_site_not_an_admin_site(self):
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with self.assertRaisesMessage(ValueError, 'site must subclass AdminSite'):
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register(Person, site=Traveler)(NameAdmin)
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def test_empty_models_list_registration_fails(self):
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with self.assertRaisesMessage(ValueError, 'At least one model must be passed to register.'):
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register()(NameAdmin)
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