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import unittest
from django.contrib import admin
from django.contrib.admin.views.main import ChangeList
from regressiontests.admin_changelist.models import Child
class ChangeListTests(unittest.TestCase):
def test_select_related_preserved(self):
"""
Regression test for #10348: ChangeList.get_query_set() shouldn't
overwrite a custom select_related provided by ModelAdmin.queryset().
"""
m = ChildAdmin(Child, admin.site)
cl = ChangeList(MockRequest(), Child, m.list_display, m.list_display_links,
m.list_filter,m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page, m.list_editable, m)
self.assertEqual(cl.query_set.query.select_related, {'parent': {'name': {}}})
class ChildAdmin(admin.ModelAdmin):
list_display = ['name', 'parent']
def queryset(self, request):
return super(ChildAdmin, self).queryset(request).select_related("parent__name")
class MockRequest(object):
GET = {}
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