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django/tests/admin_views/test_autocomplete_view.py
Johannes Hoppe 94cd8efc50 Fixed #14370 -- Allowed using a Select2 widget for ForeignKey and ManyToManyField in the admin.
Thanks Florian Apolloner and Tim Graham for review and
contributing to the patch.
2017-09-18 13:48:02 -04:00

232 lines
11 KiB
Python

import json
from django.contrib import admin
from django.contrib.admin import site
from django.contrib.admin.tests import AdminSeleniumTestCase
from django.contrib.admin.views.autocomplete import AutocompleteJsonView
from django.contrib.auth.models import Permission, User
from django.contrib.contenttypes.models import ContentType
from django.http import Http404
from django.test import RequestFactory, override_settings
from django.urls import reverse, reverse_lazy
from .admin import AnswerAdmin, QuestionAdmin
from .models import Answer, Author, Authorship, Book, Question
from .tests import AdminViewBasicTestCase
PAGINATOR_SIZE = AutocompleteJsonView.paginate_by
class AuthorAdmin(admin.ModelAdmin):
search_fields = ['id']
class AuthorshipInline(admin.TabularInline):
model = Authorship
autocomplete_fields = ['author']
class BookAdmin(admin.ModelAdmin):
inlines = [AuthorshipInline]
site.register(Question, QuestionAdmin)
site.register(Answer, AnswerAdmin)
site.register(Author, AuthorAdmin)
site.register(Book, BookAdmin)
class AutocompleteJsonViewTests(AdminViewBasicTestCase):
as_view_args = {'model_admin': QuestionAdmin(Question, site)}
factory = RequestFactory()
url = reverse_lazy('admin:admin_views_question_autocomplete')
@classmethod
def setUpTestData(cls):
cls.user = User.objects.create_user(
username='user', password='secret',
email='user@example.com', is_staff=True,
)
super().setUpTestData()
def test_success(self):
q = Question.objects.create(question='Is this a question?')
request = self.factory.get(self.url, {'term': 'is'})
request.user = self.superuser
response = AutocompleteJsonView.as_view(**self.as_view_args)(request)
self.assertEqual(response.status_code, 200)
data = json.loads(response.content.decode('utf-8'))
self.assertEqual(data, {
'results': [{'id': str(q.pk), 'text': q.question}],
'pagination': {'more': False},
})
def test_must_be_logged_in(self):
response = self.client.get(self.url, {'term': ''})
self.assertEqual(response.status_code, 200)
self.client.logout()
response = self.client.get(self.url, {'term': ''})
self.assertEqual(response.status_code, 302)
def test_has_change_permission_required(self):
"""
Users require the change permission for the related model to the
autocomplete view for it.
"""
request = self.factory.get(self.url, {'term': 'is'})
self.user.is_staff = True
self.user.save()
request.user = self.user
response = AutocompleteJsonView.as_view(**self.as_view_args)(request)
self.assertEqual(response.status_code, 403)
self.assertJSONEqual(response.content.decode('utf-8'), {'error': '403 Forbidden'})
# Add the change permission and retry.
p = Permission.objects.get(
content_type=ContentType.objects.get_for_model(Question),
codename='change_question',
)
self.user.user_permissions.add(p)
request.user = User.objects.get(pk=self.user.pk)
response = AutocompleteJsonView.as_view(**self.as_view_args)(request)
self.assertEqual(response.status_code, 200)
def test_search_use_distinct(self):
"""
Searching across model relations use QuerySet.distinct() to avoid
duplicates.
"""
q1 = Question.objects.create(question='question 1')
q2 = Question.objects.create(question='question 2')
q2.related_questions.add(q1)
q3 = Question.objects.create(question='question 3')
q3.related_questions.add(q1)
request = self.factory.get(self.url, {'term': 'question'})
request.user = self.superuser
class DistinctQuestionAdmin(QuestionAdmin):
search_fields = ['related_questions__question', 'question']
model_admin = DistinctQuestionAdmin(Question, site)
response = AutocompleteJsonView.as_view(model_admin=model_admin)(request)
self.assertEqual(response.status_code, 200)
data = json.loads(response.content.decode('utf-8'))
self.assertEqual(len(data['results']), 3)
def test_missing_search_fields(self):
class EmptySearchAdmin(QuestionAdmin):
search_fields = []
model_admin = EmptySearchAdmin(Question, site)
msg = 'EmptySearchAdmin must have search_fields for the autocomplete_view.'
with self.assertRaisesMessage(Http404, msg):
model_admin.autocomplete_view(self.factory.get(self.url))
def test_get_paginator(self):
"""Search results are paginated."""
Question.objects.bulk_create(Question(question=str(i)) for i in range(PAGINATOR_SIZE + 10))
model_admin = QuestionAdmin(Question, site)
model_admin.ordering = ['pk']
# The first page of results.
request = self.factory.get(self.url, {'term': ''})
request.user = self.superuser
response = AutocompleteJsonView.as_view(model_admin=model_admin)(request)
self.assertEqual(response.status_code, 200)
data = json.loads(response.content.decode('utf-8'))
self.assertEqual(data, {
'results': [{'id': str(q.pk), 'text': q.question} for q in Question.objects.all()[:PAGINATOR_SIZE]],
'pagination': {'more': True},
})
# The second page of results.
request = self.factory.get(self.url, {'term': '', 'page': '2'})
request.user = self.superuser
response = AutocompleteJsonView.as_view(model_admin=model_admin)(request)
self.assertEqual(response.status_code, 200)
data = json.loads(response.content.decode('utf-8'))
self.assertEqual(data, {
'results': [{'id': str(q.pk), 'text': q.question} for q in Question.objects.all()[PAGINATOR_SIZE:]],
'pagination': {'more': False},
})
@override_settings(ROOT_URLCONF='admin_views.urls')
class SeleniumTests(AdminSeleniumTestCase):
available_apps = ['admin_views'] + AdminSeleniumTestCase.available_apps
def setUp(self):
self.superuser = User.objects.create_superuser(
username='super', password='secret', email='super@example.com',
)
self.admin_login(username='super', password='secret', login_url=reverse('admin:index'))
def test_select(self):
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import Select
self.selenium.get(self.live_server_url + reverse('admin:admin_views_answer_add'))
elem = self.selenium.find_element_by_css_selector('.select2-selection')
elem.click() # Open the autocomplete dropdown.
results = self.selenium.find_element_by_css_selector('.select2-results')
self.assertTrue(results.is_displayed())
option = self.selenium.find_element_by_css_selector('.select2-results__option')
self.assertEqual(option.text, 'No results found')
elem.click() # Close the autocomplete dropdown.
q1 = Question.objects.create(question='Who am I?')
Question.objects.bulk_create(Question(question=str(i)) for i in range(PAGINATOR_SIZE + 10))
elem.click() # Reopen the dropdown now that some objects exist.
result_container = self.selenium.find_element_by_css_selector('.select2-results')
self.assertTrue(result_container.is_displayed())
results = result_container.find_elements_by_css_selector('.select2-results__option')
# PAGINATOR_SIZE results and "Loading more results".
self.assertEqual(len(results), PAGINATOR_SIZE + 1)
search = self.selenium.find_element_by_css_selector('.select2-search__field')
# Load next page of results by scrolling to the bottom of the list.
for _ in range(len(results)):
search.send_keys(Keys.ARROW_DOWN)
results = result_container.find_elements_by_css_selector('.select2-results__option')
# All objects and "Loading more results".
self.assertEqual(len(results), PAGINATOR_SIZE + 11)
# Limit the results with the search field.
search.send_keys('Who')
results = result_container.find_elements_by_css_selector('.select2-results__option')
self.assertEqual(len(results), 1)
# Select the result.
search.send_keys(Keys.RETURN)
select = Select(self.selenium.find_element_by_id('id_question'))
self.assertEqual(select.first_selected_option.get_attribute('value'), str(q1.pk))
def test_select_multiple(self):
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import Select
self.selenium.get(self.live_server_url + reverse('admin:admin_views_question_add'))
elem = self.selenium.find_element_by_css_selector('.select2-selection')
elem.click() # Open the autocomplete dropdown.
results = self.selenium.find_element_by_css_selector('.select2-results')
self.assertTrue(results.is_displayed())
option = self.selenium.find_element_by_css_selector('.select2-results__option')
self.assertEqual(option.text, 'No results found')
elem.click() # Close the autocomplete dropdown.
Question.objects.create(question='Who am I?')
Question.objects.bulk_create(Question(question=str(i)) for i in range(PAGINATOR_SIZE + 10))
elem.click() # Reopen the dropdown now that some objects exist.
result_container = self.selenium.find_element_by_css_selector('.select2-results')
self.assertTrue(result_container.is_displayed())
results = result_container.find_elements_by_css_selector('.select2-results__option')
self.assertEqual(len(results), PAGINATOR_SIZE + 1)
search = self.selenium.find_element_by_css_selector('.select2-search__field')
# Load next page of results by scrolling to the bottom of the list.
for _ in range(len(results)):
search.send_keys(Keys.ARROW_DOWN)
results = result_container.find_elements_by_css_selector('.select2-results__option')
self.assertEqual(len(results), 31)
# Limit the results with the search field.
search.send_keys('Who')
results = result_container.find_elements_by_css_selector('.select2-results__option')
self.assertEqual(len(results), 1)
# Select the result.
search.send_keys(Keys.RETURN)
# Reopen the dropdown and add the first result to the selection.
elem.click()
search.send_keys(Keys.ARROW_DOWN)
search.send_keys(Keys.RETURN)
select = Select(self.selenium.find_element_by_id('id_related_questions'))
self.assertEqual(len(select.all_selected_options), 2)