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from django import forms
from django.contrib import admin
from django.contrib.admin.widgets import AutocompleteSelect
from django.forms import ModelChoiceField
from django.test import TestCase, override_settings
from django.utils import translation
from .models import Album, Band
class AlbumForm(forms.ModelForm):
class Meta:
model = Album
fields = ['band', 'featuring']
widgets = {
'band': AutocompleteSelect(
Album._meta.get_field('band').remote_field,
admin.site,
attrs={'class': 'my-class'},
),
'featuring': AutocompleteSelect(
Album._meta.get_field('featuring').remote_field,
admin.site,
)
}
class NotRequiredBandForm(forms.Form):
band = ModelChoiceField(
queryset=Album.objects.all(),
widget=AutocompleteSelect(Album._meta.get_field('band').remote_field, admin.site),
required=False,
)
class RequiredBandForm(forms.Form):
band = ModelChoiceField(
queryset=Album.objects.all(),
widget=AutocompleteSelect(Album._meta.get_field('band').remote_field, admin.site),
required=True,
)
@override_settings(ROOT_URLCONF='admin_widgets.urls')
class AutocompleteMixinTests(TestCase):
empty_option = '<option value=""></option>'
maxDiff = 1000
def test_build_attrs(self):
form = AlbumForm()
attrs = form['band'].field.widget.get_context(name='my_field', value=None, attrs={})['widget']['attrs']
self.assertEqual(attrs, {
'class': 'my-class admin-autocomplete',
'data-ajax--cache': 'true',
'data-ajax--type': 'GET',
'data-ajax--url': '/admin_widgets/band/autocomplete/',
'data-theme': 'admin-autocomplete',
'data-allow-clear': 'false',
'data-placeholder': ''
})
def test_build_attrs_no_custom_class(self):
form = AlbumForm()
attrs = form['featuring'].field.widget.get_context(name='name', value=None, attrs={})['widget']['attrs']
self.assertEqual(attrs['class'], 'admin-autocomplete')
def test_build_attrs_not_required_field(self):
form = NotRequiredBandForm()
attrs = form['band'].field.widget.build_attrs({})
self.assertJSONEqual(attrs['data-allow-clear'], True)
def test_build_attrs_required_field(self):
form = RequiredBandForm()
attrs = form['band'].field.widget.build_attrs({})
self.assertJSONEqual(attrs['data-allow-clear'], False)
def test_get_url(self):
rel = Album._meta.get_field('band').remote_field
w = AutocompleteSelect(rel, admin.site)
url = w.get_url()
self.assertEqual(url, '/admin_widgets/band/autocomplete/')
def test_render_options(self):
beatles = Band.objects.create(name='The Beatles', style='rock')
who = Band.objects.create(name='The Who', style='rock')
# With 'band', a ForeignKey.
form = AlbumForm(initial={'band': beatles.pk})
output = form.as_table()
selected_option = '<option value="%s" selected>The Beatles</option>' % beatles.pk
option = '<option value="%s">The Who</option>' % who.pk
self.assertIn(selected_option, output)
self.assertNotIn(option, output)
# With 'featuring', a ManyToManyField.
form = AlbumForm(initial={'featuring': [beatles.pk, who.pk]})
output = form.as_table()
selected_option = '<option value="%s" selected>The Beatles</option>' % beatles.pk
option = '<option value="%s" selected>The Who</option>' % who.pk
self.assertIn(selected_option, output)
self.assertIn(option, output)
def test_render_options_required_field(self):
"""Empty option is present if the field isn't required."""
form = NotRequiredBandForm()
output = form.as_table()
self.assertIn(self.empty_option, output)
def test_render_options_not_required_field(self):
"""Empty option isn't present if the field isn't required."""
form = RequiredBandForm()
output = form.as_table()
self.assertNotIn(self.empty_option, output)
def test_media(self):
rel = Album._meta.get_field('band').remote_field
base_files = (
'admin/js/vendor/jquery/jquery.min.js',
'admin/js/vendor/select2/select2.full.min.js',
# Language file is inserted here.
'admin/js/jquery.init.js',
'admin/js/autocomplete.js',
)
languages = (
('de', 'de'),
# Language with code 00 does not exist.
('00', None),
# Language files are case sensitive.
('sr-cyrl', 'sr-Cyrl'),
('zh-hans', 'zh-CN'),
('zh-hant', 'zh-TW'),
)
for lang, select_lang in languages:
with self.subTest(lang=lang):
if select_lang:
expected_files = (
base_files[:2] +
(('admin/js/vendor/select2/i18n/%s.js' % select_lang),) +
base_files[2:]
)
else:
expected_files = base_files
with translation.override(lang):
self.assertEqual(AutocompleteSelect(rel, admin.site).media._js, list(expected_files))
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