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209 lines
7.1 KiB
Python
209 lines
7.1 KiB
Python
from django.contrib import admin
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from django.contrib.admin.options import ModelAdmin
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from django.contrib.auth.models import User
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from django.db.models import F
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from django.test import RequestFactory, TestCase
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from .models import (
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Band,
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DynOrderingBandAdmin,
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Song,
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SongInlineDefaultOrdering,
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SongInlineNewOrdering,
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)
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class MockRequest:
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pass
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class MockSuperUser:
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def has_perm(self, perm, obj=None):
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return True
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def has_module_perms(self, module):
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return True
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request = MockRequest()
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request.user = MockSuperUser()
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site = admin.AdminSite()
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class TestAdminOrdering(TestCase):
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"""
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Let's make sure that ModelAdmin.get_queryset uses the ordering we define
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in ModelAdmin rather that ordering defined in the model's inner Meta
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class.
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"""
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request_factory = RequestFactory()
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@classmethod
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def setUpTestData(cls):
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Band.objects.bulk_create(
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[
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Band(name="Aerosmith", bio="", rank=3),
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Band(name="Radiohead", bio="", rank=1),
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Band(name="Van Halen", bio="", rank=2),
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]
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)
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def test_default_ordering(self):
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"""
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The default ordering should be by name, as specified in the inner Meta
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class.
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"""
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ma = ModelAdmin(Band, site)
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names = [b.name for b in ma.get_queryset(request)]
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self.assertEqual(["Aerosmith", "Radiohead", "Van Halen"], names)
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def test_specified_ordering(self):
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"""
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Let's use a custom ModelAdmin that changes the ordering, and make sure
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it actually changes.
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"""
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class BandAdmin(ModelAdmin):
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ordering = ("rank",) # default ordering is ('name',)
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ma = BandAdmin(Band, site)
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names = [b.name for b in ma.get_queryset(request)]
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self.assertEqual(["Radiohead", "Van Halen", "Aerosmith"], names)
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def test_specified_ordering_by_f_expression(self):
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class BandAdmin(ModelAdmin):
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ordering = (F("rank").desc(nulls_last=True),)
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band_admin = BandAdmin(Band, site)
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names = [b.name for b in band_admin.get_queryset(request)]
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self.assertEqual(["Aerosmith", "Van Halen", "Radiohead"], names)
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def test_dynamic_ordering(self):
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"""
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Let's use a custom ModelAdmin that changes the ordering dynamically.
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"""
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super_user = User.objects.create(username="admin", is_superuser=True)
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other_user = User.objects.create(username="other")
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request = self.request_factory.get("/")
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request.user = super_user
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ma = DynOrderingBandAdmin(Band, site)
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names = [b.name for b in ma.get_queryset(request)]
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self.assertEqual(["Radiohead", "Van Halen", "Aerosmith"], names)
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request.user = other_user
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names = [b.name for b in ma.get_queryset(request)]
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self.assertEqual(["Aerosmith", "Radiohead", "Van Halen"], names)
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class TestInlineModelAdminOrdering(TestCase):
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"""
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Let's make sure that InlineModelAdmin.get_queryset uses the ordering we
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define in InlineModelAdmin.
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"""
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@classmethod
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def setUpTestData(cls):
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cls.band = Band.objects.create(name="Aerosmith", bio="", rank=3)
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Song.objects.bulk_create(
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[
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Song(band=cls.band, name="Pink", duration=235),
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Song(band=cls.band, name="Dude (Looks Like a Lady)", duration=264),
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Song(band=cls.band, name="Jaded", duration=214),
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]
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)
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def test_default_ordering(self):
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"""
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The default ordering should be by name, as specified in the inner Meta
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class.
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"""
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inline = SongInlineDefaultOrdering(self.band, site)
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names = [s.name for s in inline.get_queryset(request)]
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self.assertEqual(["Dude (Looks Like a Lady)", "Jaded", "Pink"], names)
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def test_specified_ordering(self):
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"""
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Let's check with ordering set to something different than the default.
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"""
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inline = SongInlineNewOrdering(self.band, site)
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names = [s.name for s in inline.get_queryset(request)]
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self.assertEqual(["Jaded", "Pink", "Dude (Looks Like a Lady)"], names)
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class TestRelatedFieldsAdminOrdering(TestCase):
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@classmethod
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def setUpTestData(cls):
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cls.b1 = Band.objects.create(name="Pink Floyd", bio="", rank=1)
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cls.b2 = Band.objects.create(name="Foo Fighters", bio="", rank=5)
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def setUp(self):
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# we need to register a custom ModelAdmin (instead of just using
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# ModelAdmin) because the field creator tries to find the ModelAdmin
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# for the related model
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class SongAdmin(admin.ModelAdmin):
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pass
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site.register(Song, SongAdmin)
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def tearDown(self):
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site.unregister(Song)
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if Band in site._registry:
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site.unregister(Band)
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def check_ordering_of_field_choices(self, correct_ordering):
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fk_field = site._registry[Song].formfield_for_foreignkey(
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Song.band.field, request=None
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)
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m2m_field = site._registry[Song].formfield_for_manytomany(
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Song.other_interpreters.field, request=None
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)
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self.assertEqual(list(fk_field.queryset), correct_ordering)
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self.assertEqual(list(m2m_field.queryset), correct_ordering)
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def test_no_admin_fallback_to_model_ordering(self):
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# should be ordered by name (as defined by the model)
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self.check_ordering_of_field_choices([self.b2, self.b1])
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def test_admin_with_no_ordering_fallback_to_model_ordering(self):
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class NoOrderingBandAdmin(admin.ModelAdmin):
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pass
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site.register(Band, NoOrderingBandAdmin)
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# should be ordered by name (as defined by the model)
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self.check_ordering_of_field_choices([self.b2, self.b1])
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def test_admin_ordering_beats_model_ordering(self):
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class StaticOrderingBandAdmin(admin.ModelAdmin):
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ordering = ("rank",)
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site.register(Band, StaticOrderingBandAdmin)
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# should be ordered by rank (defined by the ModelAdmin)
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self.check_ordering_of_field_choices([self.b1, self.b2])
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def test_custom_queryset_still_wins(self):
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"""Custom queryset has still precedence (#21405)"""
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class SongAdmin(admin.ModelAdmin):
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# Exclude one of the two Bands from the querysets
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def formfield_for_foreignkey(self, db_field, request, **kwargs):
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if db_field.name == "band":
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kwargs["queryset"] = Band.objects.filter(rank__gt=2)
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return super().formfield_for_foreignkey(db_field, request, **kwargs)
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def formfield_for_manytomany(self, db_field, request, **kwargs):
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if db_field.name == "other_interpreters":
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kwargs["queryset"] = Band.objects.filter(rank__gt=2)
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return super().formfield_for_foreignkey(db_field, request, **kwargs)
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class StaticOrderingBandAdmin(admin.ModelAdmin):
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ordering = ("rank",)
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site.unregister(Song)
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site.register(Song, SongAdmin)
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site.register(Band, StaticOrderingBandAdmin)
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self.check_ordering_of_field_choices([self.b2])
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