from django.contrib import admin from django.contrib.admin.options import IncorrectLookupParameters from django.contrib.admin.views.main import ChangeList from django.core.paginator import Paginator from django.template import Context, Template from django.test import TransactionTestCase from regressiontests.admin_changelist.models import Child, Parent 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 = 'name(None)' 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 = 'nameParent object' 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 = '
' 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 = '' self.assertFalse('%s' % 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) 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 = {} 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)