from __future__ import absolute_import, unicode_literals from django.test import TestCase, RequestFactory from django.contrib import admin from django.contrib.admin.options import ModelAdmin from django.contrib.auth.models import User from .models import (Band, Song, SongInlineDefaultOrdering, SongInlineNewOrdering, DynOrderingBandAdmin) class MockRequest(object): pass class MockSuperUser(object): def has_perm(self, perm): return True request = MockRequest() request.user = MockSuperUser() class TestAdminOrdering(TestCase): """ Let's make sure that ModelAdmin.get_queryset uses the ordering we define in ModelAdmin rather that ordering defined in the model's inner Meta class. """ def setUp(self): self.request_factory = RequestFactory() b1 = Band(name='Aerosmith', bio='', rank=3) b1.save() b2 = Band(name='Radiohead', bio='', rank=1) b2.save() b3 = Band(name='Van Halen', bio='', rank=2) b3.save() def test_default_ordering(self): """ The default ordering should be by name, as specified in the inner Meta class. """ ma = ModelAdmin(Band, None) names = [b.name for b in ma.get_queryset(request)] self.assertEqual(['Aerosmith', 'Radiohead', 'Van Halen'], names) def test_specified_ordering(self): """ Let's use a custom ModelAdmin that changes the ordering, and make sure it actually changes. """ class BandAdmin(ModelAdmin): ordering = ('rank',) # default ordering is ('name',) ma = BandAdmin(Band, None) names = [b.name for b in ma.get_queryset(request)] self.assertEqual(['Radiohead', 'Van Halen', 'Aerosmith'], names) def test_dynamic_ordering(self): """ Let's use a custom ModelAdmin that changes the ordering dinamically. """ super_user = User.objects.create(username='admin', is_superuser=True) other_user = User.objects.create(username='other') request = self.request_factory.get('/') request.user = super_user ma = DynOrderingBandAdmin(Band, None) names = [b.name for b in ma.get_queryset(request)] self.assertEqual(['Radiohead', 'Van Halen', 'Aerosmith'], names) request.user = other_user names = [b.name for b in ma.get_queryset(request)] self.assertEqual(['Aerosmith', 'Radiohead', 'Van Halen'], names) class TestInlineModelAdminOrdering(TestCase): """ Let's make sure that InlineModelAdmin.get_queryset uses the ordering we define in InlineModelAdmin. """ def setUp(self): b = Band(name='Aerosmith', bio='', rank=3) b.save() self.b = b s1 = Song(band=b, name='Pink', duration=235) s1.save() s2 = Song(band=b, name='Dude (Looks Like a Lady)', duration=264) s2.save() s3 = Song(band=b, name='Jaded', duration=214) s3.save() def test_default_ordering(self): """ The default ordering should be by name, as specified in the inner Meta class. """ inline = SongInlineDefaultOrdering(self.b, None) names = [s.name for s in inline.get_queryset(request)] self.assertEqual(['Dude (Looks Like a Lady)', 'Jaded', 'Pink'], names) def test_specified_ordering(self): """ Let's check with ordering set to something different than the default. """ inline = SongInlineNewOrdering(self.b, None) names = [s.name for s in inline.get_queryset(request)] self.assertEqual(['Jaded', 'Pink', 'Dude (Looks Like a Lady)'], names) class TestRelatedFieldsAdminOrdering(TestCase): def setUp(self): self.b1 = Band(name='Pink Floyd', bio='', rank=1) self.b1.save() self.b2 = Band(name='Foo Fighters', bio='', rank=5) self.b2.save() # we need to register a custom ModelAdmin (instead of just using # ModelAdmin) because the field creator tries to find the ModelAdmin # for the related model class SongAdmin(admin.ModelAdmin): pass admin.site.register(Song, SongAdmin) def check_ordering_of_field_choices(self, correct_ordering): fk_field = admin.site._registry[Song].formfield_for_foreignkey(Song.band.field) m2m_field = admin.site._registry[Song].formfield_for_manytomany(Song.other_interpreters.field) self.assertEqual(list(fk_field.queryset), correct_ordering) self.assertEqual(list(m2m_field.queryset), correct_ordering) def test_no_admin_fallback_to_model_ordering(self): # should be ordered by name (as defined by the model) self.check_ordering_of_field_choices([self.b2, self.b1]) def test_admin_with_no_ordering_fallback_to_model_ordering(self): class NoOrderingBandAdmin(admin.ModelAdmin): pass admin.site.register(Band, NoOrderingBandAdmin) # should be ordered by name (as defined by the model) self.check_ordering_of_field_choices([self.b2, self.b1]) def test_admin_ordering_beats_model_ordering(self): class StaticOrderingBandAdmin(admin.ModelAdmin): ordering = ('rank', ) admin.site.register(Band, StaticOrderingBandAdmin) # should be ordered by rank (defined by the ModelAdmin) self.check_ordering_of_field_choices([self.b1, self.b2]) def tearDown(self): admin.site.unregister(Song) if Band in admin.site._registry: admin.site.unregister(Band)