django/tests/regressiontests/admin_changelist/tests.py

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from django.contrib import admin
from django.contrib.admin.options import IncorrectLookupParameters
from django.contrib.admin.views.main import ChangeList, SEARCH_VAR
from django.core.paginator import Paginator
from django.template import Context, Template
from django.test import TransactionTestCase
from models import (Child, Parent, Genre, Band, Musician, Group, Quartet,
Membership, ChordsMusician, ChordsBand, Invitation)
class ChangeListTests(TransactionTestCase):
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': {}}})
def test_result_list_empty_changelist_value(self):
"""
Regression test for #14982: EMPTY_CHANGELIST_VALUE should be honored
for relationship fields
"""
new_child = Child.objects.create(name='name', parent=None)
request = MockRequest()
m = ChildAdmin(Child, admin.site)
cl = ChangeList(request, 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)
cl.formset = None
template = Template('{% load admin_list %}{% spaceless %}{% result_list cl %}{% endspaceless %}')
context = Context({'cl': cl})
table_output = template.render(context)
row_html = '<tbody><tr class="row1"><td class="action-checkbox"><input type="checkbox" class="action-select" value="%d" name="_selected_action" /></td><th><a href="%d/">name</a></th><td class="nowrap">(None)</td></tr></tbody>' % (new_child.id, new_child.id)
self.assertFalse(table_output.find(row_html) == -1,
'Failed to find expected row element: %s' % table_output)
def test_result_list_html(self):
"""
Verifies that inclusion tag result_list generates a table when with
default ModelAdmin settings.
"""
new_parent = Parent.objects.create(name='parent')
new_child = Child.objects.create(name='name', parent=new_parent)
request = MockRequest()
m = ChildAdmin(Child, admin.site)
cl = ChangeList(request, 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)
cl.formset = None
template = Template('{% load admin_list %}{% spaceless %}{% result_list cl %}{% endspaceless %}')
context = Context({'cl': cl})
table_output = template.render(context)
row_html = '<tbody><tr class="row1"><td class="action-checkbox"><input type="checkbox" class="action-select" value="%d" name="_selected_action" /></td><th><a href="%d/">name</a></th><td class="nowrap">Parent object</td></tr></tbody>' % (new_child.id, new_child.id)
self.assertFalse(table_output.find(row_html) == -1,
'Failed to find expected row element: %s' % table_output)
def test_result_list_editable_html(self):
"""
Regression tests for #11791: Inclusion tag result_list generates a
table and this checks that the items are nested within the table
element tags.
Also a regression test for #13599, verifies that hidden fields
when list_editable is enabled are rendered in a div outside the
table.
"""
new_parent = Parent.objects.create(name='parent')
new_child = Child.objects.create(name='name', parent=new_parent)
request = MockRequest()
m = ChildAdmin(Child, admin.site)
# Test with list_editable fields
m.list_display = ['id', 'name', 'parent']
m.list_display_links = ['id']
m.list_editable = ['name']
cl = ChangeList(request, 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)
FormSet = m.get_changelist_formset(request)
cl.formset = FormSet(queryset=cl.result_list)
template = Template('{% load admin_list %}{% spaceless %}{% result_list cl %}{% endspaceless %}')
context = Context({'cl': cl})
table_output = template.render(context)
# make sure that hidden fields are in the correct place
hiddenfields_div = '<div class="hiddenfields"><input type="hidden" name="form-0-id" value="%d" id="id_form-0-id" /></div>' % new_child.id
self.assertFalse(table_output.find(hiddenfields_div) == -1,
'Failed to find hidden fields in: %s' % table_output)
# make sure that list editable fields are rendered in divs correctly
editable_name_field = '<input name="form-0-name" value="name" class="vTextField" maxlength="30" type="text" id="id_form-0-name" />'
self.assertFalse('<td>%s</td>' % editable_name_field == -1,
'Failed to find "name" list_editable field in: %s' % table_output)
def test_result_list_editable(self):
"""
Regression test for #14312: list_editable with pagination
"""
new_parent = Parent.objects.create(name='parent')
for i in range(200):
new_child = Child.objects.create(name='name %s' % i, parent=new_parent)
request = MockRequest()
request.GET['p'] = -1 # Anything outside range
m = ChildAdmin(Child, admin.site)
# Test with list_editable fields
m.list_display = ['id', 'name', 'parent']
m.list_display_links = ['id']
m.list_editable = ['name']
self.assertRaises(IncorrectLookupParameters, lambda: \
ChangeList(request, 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))
def test_custom_paginator(self):
new_parent = Parent.objects.create(name='parent')
for i in range(200):
new_child = Child.objects.create(name='name %s' % i, parent=new_parent)
request = MockRequest()
m = ChildAdmin(Child, admin.site)
m.list_display = ['id', 'name', 'parent']
m.list_display_links = ['id']
m.list_editable = ['name']
m.paginator = CustomPaginator
cl = ChangeList(request, 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)
cl.get_results(request)
self.assertIsInstance(cl.paginator, CustomPaginator)
def test_distinct_for_m2m_in_list_filter(self):
"""
Regression test for #13902: When using a ManyToMany in list_filter,
results shouldn't apper more than once. Basic ManyToMany.
"""
blues = Genre.objects.create(name='Blues')
band = Band.objects.create(name='B.B. King Review', nr_of_members=11)
band.genres.add(blues)
band.genres.add(blues)
m = BandAdmin(Band, admin.site)
request = MockFilterRequest('genres', blues.pk)
cl = ChangeList(request, Band, 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)
cl.get_results(request)
# There's only one Group instance
self.assertEqual(cl.result_count, 1)
def test_distinct_for_through_m2m_in_list_filter(self):
"""
Regression test for #13902: When using a ManyToMany in list_filter,
results shouldn't apper more than once. With an intermediate model.
"""
lead = Musician.objects.create(name='Vox')
band = Group.objects.create(name='The Hype')
Membership.objects.create(group=band, music=lead, role='lead voice')
Membership.objects.create(group=band, music=lead, role='bass player')
m = GroupAdmin(Group, admin.site)
request = MockFilterRequest('members', lead.pk)
cl = ChangeList(request, Group, 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)
cl.get_results(request)
# There's only one Group instance
self.assertEqual(cl.result_count, 1)
def test_distinct_for_inherited_m2m_in_list_filter(self):
"""
Regression test for #13902: When using a ManyToMany in list_filter,
results shouldn't apper more than once. Model managed in the
admin inherits from the one that defins the relationship.
"""
lead = Musician.objects.create(name='John')
four = Quartet.objects.create(name='The Beatles')
Membership.objects.create(group=four, music=lead, role='lead voice')
Membership.objects.create(group=four, music=lead, role='guitar player')
m = QuartetAdmin(Quartet, admin.site)
request = MockFilterRequest('members', lead.pk)
cl = ChangeList(request, Quartet, 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)
cl.get_results(request)
# There's only one Quartet instance
self.assertEqual(cl.result_count, 1)
def test_distinct_for_m2m_to_inherited_in_list_filter(self):
"""
Regression test for #13902: When using a ManyToMany in list_filter,
results shouldn't apper more than once. Target of the relationship
inherits from another.
"""
lead = ChordsMusician.objects.create(name='Player A')
three = ChordsBand.objects.create(name='The Chords Trio')
Invitation.objects.create(band=three, player=lead, instrument='guitar')
Invitation.objects.create(band=three, player=lead, instrument='bass')
m = ChordsBandAdmin(ChordsBand, admin.site)
request = MockFilterRequest('members', lead.pk)
cl = ChangeList(request, ChordsBand, 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)
cl.get_results(request)
# There's only one ChordsBand instance
self.assertEqual(cl.result_count, 1)
def test_distinct_for_non_unique_related_object_in_list_filter(self):
"""
Regressions tests for #15819: If a field listed in list_filters
is a non-unique related object, distinct() must be called.
"""
parent = Parent.objects.create(name='Mary')
# Two children with the same name
Child.objects.create(parent=parent, name='Daniel')
Child.objects.create(parent=parent, name='Daniel')
m = ParentAdmin(Parent, admin.site)
request = MockFilterRequest('child__name', 'Daniel')
cl = ChangeList(request, Parent, 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)
# Make sure distinct() was called
self.assertEqual(cl.query_set.count(), 1)
def test_distinct_for_non_unique_related_object_in_search_fields(self):
"""
Regressions tests for #15819: If a field listed in search_fields
is a non-unique related object, distinct() must be called.
"""
parent = Parent.objects.create(name='Mary')
Child.objects.create(parent=parent, name='Danielle')
Child.objects.create(parent=parent, name='Daniel')
m = ParentAdmin(Parent, admin.site)
request = MockSearchRequest('daniel')
cl = ChangeList(request, Parent, 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)
# Make sure distinct() was called
self.assertEqual(cl.query_set.count(), 1)
def test_pagination(self):
"""
Regression tests for #12893: Pagination in admins changelist doesn't
use queryset set by modeladmin.
"""
parent = Parent.objects.create(name='anything')
for i in range(30):
Child.objects.create(name='name %s' % i, parent=parent)
Child.objects.create(name='filtered %s' % i, parent=parent)
request = MockRequest()
# Test default queryset
m = ChildAdmin(Child, admin.site)
cl = ChangeList(request, 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.count(), 60)
self.assertEqual(cl.paginator.count, 60)
self.assertEqual(cl.paginator.page_range, [1, 2, 3, 4, 5, 6])
# Test custom queryset
m = FilteredChildAdmin(Child, admin.site)
cl = ChangeList(request, 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.count(), 30)
self.assertEqual(cl.paginator.count, 30)
self.assertEqual(cl.paginator.page_range, [1, 2, 3])
class ParentAdmin(admin.ModelAdmin):
list_filter = ['child__name']
search_fields = ['child__name']
class ChildAdmin(admin.ModelAdmin):
list_display = ['name', 'parent']
list_per_page = 10
def queryset(self, request):
return super(ChildAdmin, self).queryset(request).select_related("parent__name")
class FilteredChildAdmin(admin.ModelAdmin):
list_display = ['name', 'parent']
list_per_page = 10
def queryset(self, request):
return super(FilteredChildAdmin, self).queryset(request).filter(
name__contains='filtered')
class MockRequest(object):
GET = {}
class CustomPaginator(Paginator):
def __init__(self, queryset, page_size, orphans=0, allow_empty_first_page=True):
super(CustomPaginator, self).__init__(queryset, 5, orphans=2,
allow_empty_first_page=allow_empty_first_page)
class BandAdmin(admin.ModelAdmin):
list_filter = ['genres']
class GroupAdmin(admin.ModelAdmin):
list_filter = ['members']
class QuartetAdmin(admin.ModelAdmin):
list_filter = ['members']
class ChordsBandAdmin(admin.ModelAdmin):
list_filter = ['members']
class MockFilterRequest(object):
def __init__(self, filter, q):
self.GET = {filter: q}
class MockSearchRequest(object):
def __init__(self, q):
self.GET = {SEARCH_VAR: q}