django/tests/regressiontests/admin_widgets/tests.py

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# encoding: utf-8
from __future__ import with_statement
from datetime import datetime
from django import forms
from django.conf import settings
from django.contrib import admin
from django.contrib.admin import widgets
from django.core.files.storage import default_storage
from django.core.files.uploadedfile import SimpleUploadedFile
from django.db.models import DateField
from django.test import TestCase as DjangoTestCase
from django.utils import translation
from django.utils.html import conditional_escape
from django.utils.unittest import TestCase
import models
from widgetadmin import site as widget_admin_site
admin_media_prefix = lambda: {
'ADMIN_MEDIA_PREFIX': "%sadmin/" % settings.STATIC_URL,
}
class AdminFormfieldForDBFieldTests(TestCase):
"""
Tests for correct behavior of ModelAdmin.formfield_for_dbfield
"""
def assertFormfield(self, model, fieldname, widgetclass, **admin_overrides):
"""
Helper to call formfield_for_dbfield for a given model and field name
and verify that the returned formfield is appropriate.
"""
# Override any settings on the model admin
class MyModelAdmin(admin.ModelAdmin):
pass
for k in admin_overrides:
setattr(MyModelAdmin, k, admin_overrides[k])
# Construct the admin, and ask it for a formfield
ma = MyModelAdmin(model, admin.site)
ff = ma.formfield_for_dbfield(model._meta.get_field(fieldname), request=None)
# "unwrap" the widget wrapper, if needed
if isinstance(ff.widget, widgets.RelatedFieldWidgetWrapper):
widget = ff.widget.widget
else:
widget = ff.widget
# Check that we got a field of the right type
self.assertTrue(
isinstance(widget, widgetclass),
"Wrong widget for %s.%s: expected %s, got %s" % \
(model.__class__.__name__, fieldname, widgetclass, type(widget))
)
# Return the formfield so that other tests can continue
return ff
def testDateField(self):
self.assertFormfield(models.Event, 'start_date', widgets.AdminDateWidget)
def testDateTimeField(self):
self.assertFormfield(models.Member, 'birthdate', widgets.AdminSplitDateTime)
def testTimeField(self):
self.assertFormfield(models.Event, 'start_time', widgets.AdminTimeWidget)
def testTextField(self):
self.assertFormfield(models.Event, 'description', widgets.AdminTextareaWidget)
def testURLField(self):
self.assertFormfield(models.Event, 'link', widgets.AdminURLFieldWidget)
def testIntegerField(self):
self.assertFormfield(models.Event, 'min_age', widgets.AdminIntegerFieldWidget)
def testCharField(self):
self.assertFormfield(models.Member, 'name', widgets.AdminTextInputWidget)
def testFileField(self):
self.assertFormfield(models.Album, 'cover_art', widgets.AdminFileWidget)
def testForeignKey(self):
self.assertFormfield(models.Event, 'band', forms.Select)
def testRawIDForeignKey(self):
self.assertFormfield(models.Event, 'band', widgets.ForeignKeyRawIdWidget,
raw_id_fields=['band'])
def testRadioFieldsForeignKey(self):
ff = self.assertFormfield(models.Event, 'band', widgets.AdminRadioSelect,
radio_fields={'band':admin.VERTICAL})
self.assertEqual(ff.empty_label, None)
def testManyToMany(self):
self.assertFormfield(models.Band, 'members', forms.SelectMultiple)
def testRawIDManyTOMany(self):
self.assertFormfield(models.Band, 'members', widgets.ManyToManyRawIdWidget,
raw_id_fields=['members'])
def testFilteredManyToMany(self):
self.assertFormfield(models.Band, 'members', widgets.FilteredSelectMultiple,
filter_vertical=['members'])
def testFormfieldOverrides(self):
self.assertFormfield(models.Event, 'start_date', forms.TextInput,
formfield_overrides={DateField: {'widget': forms.TextInput}})
def testFieldWithChoices(self):
self.assertFormfield(models.Member, 'gender', forms.Select)
def testChoicesWithRadioFields(self):
self.assertFormfield(models.Member, 'gender', widgets.AdminRadioSelect,
radio_fields={'gender':admin.VERTICAL})
def testInheritance(self):
self.assertFormfield(models.Album, 'backside_art', widgets.AdminFileWidget)
class AdminFormfieldForDBFieldWithRequestTests(DjangoTestCase):
fixtures = ["admin-widgets-users.xml"]
def testFilterChoicesByRequestUser(self):
"""
Ensure the user can only see their own cars in the foreign key dropdown.
"""
self.client.login(username="super", password="secret")
response = self.client.get("/widget_admin/admin_widgets/cartire/add/")
self.assertTrue("BMW M3" not in response.content)
self.assertTrue("Volkswagon Passat" in response.content)
class AdminForeignKeyWidgetChangeList(DjangoTestCase):
fixtures = ["admin-widgets-users.xml"]
admin_root = '/widget_admin'
def setUp(self):
self.client.login(username="super", password="secret")
def tearDown(self):
self.client.logout()
def test_changelist_foreignkey(self):
response = self.client.get('%s/admin_widgets/car/' % self.admin_root)
self.assertTrue('%s/auth/user/add/' % self.admin_root in response.content)
class AdminForeignKeyRawIdWidget(DjangoTestCase):
fixtures = ["admin-widgets-users.xml"]
admin_root = '/widget_admin'
def setUp(self):
self.client.login(username="super", password="secret")
def tearDown(self):
self.client.logout()
def test_nonexistent_target_id(self):
band = models.Band.objects.create(name='Bogey Blues')
pk = band.pk
band.delete()
post_data = {
"band": u'%s' % pk,
}
# Try posting with a non-existent pk in a raw id field: this
# should result in an error message, not a server exception.
response = self.client.post('%s/admin_widgets/event/add/' % self.admin_root,
post_data)
self.assertContains(response,
'Select a valid choice. That choice is not one of the available choices.')
def test_invalid_target_id(self):
for test_str in ('Iñtërnâtiônàlizætiøn', "1234'", -1234):
# This should result in an error message, not a server exception.
response = self.client.post('%s/admin_widgets/event/add/' % self.admin_root,
{"band": test_str})
self.assertContains(response,
'Select a valid choice. That choice is not one of the available choices.')
def test_url_params_from_lookup_dict_any_iterable(self):
lookup1 = widgets.url_params_from_lookup_dict({'color__in': ('red', 'blue')})
lookup2 = widgets.url_params_from_lookup_dict({'color__in': ['red', 'blue']})
self.assertEqual(lookup1, {'color__in': 'red,blue'})
self.assertEqual(lookup1, lookup2)
class FilteredSelectMultipleWidgetTest(DjangoTestCase):
def test_render(self):
w = widgets.FilteredSelectMultiple('test', False)
self.assertEqual(
conditional_escape(w.render('test', 'test')),
'<select multiple="multiple" name="test" class="selectfilter">\n</select><script type="text/javascript">addEvent(window, "load", function(e) {SelectFilter.init("id_test", "test", 0, "%(ADMIN_MEDIA_PREFIX)s"); });</script>\n' % admin_media_prefix()
)
def test_stacked_render(self):
w = widgets.FilteredSelectMultiple('test', True)
self.assertEqual(
conditional_escape(w.render('test', 'test')),
'<select multiple="multiple" name="test" class="selectfilterstacked">\n</select><script type="text/javascript">addEvent(window, "load", function(e) {SelectFilter.init("id_test", "test", 1, "%(ADMIN_MEDIA_PREFIX)s"); });</script>\n' % admin_media_prefix()
)
class AdminSplitDateTimeWidgetTest(DjangoTestCase):
def test_render(self):
w = widgets.AdminSplitDateTime()
self.assertEqual(
conditional_escape(w.render('test', datetime(2007, 12, 1, 9, 30))),
'<p class="datetime">Date: <input value="2007-12-01" type="text" class="vDateField" name="test_0" size="10" /><br />Time: <input value="09:30:00" type="text" class="vTimeField" name="test_1" size="8" /></p>',
)
def test_localization(self):
w = widgets.AdminSplitDateTime()
with self.settings(USE_L10N=True):
with translation.override('de-at'):
w.is_localized = True
self.assertEqual(
conditional_escape(w.render('test', datetime(2007, 12, 1, 9, 30))),
'<p class="datetime">Datum: <input value="01.12.2007" type="text" class="vDateField" name="test_0" size="10" /><br />Zeit: <input value="09:30:00" type="text" class="vTimeField" name="test_1" size="8" /></p>',
)
class AdminFileWidgetTest(DjangoTestCase):
def test_render(self):
band = models.Band.objects.create(name='Linkin Park')
album = band.album_set.create(
name='Hybrid Theory', cover_art=r'albums\hybrid_theory.jpg'
)
w = widgets.AdminFileWidget()
self.assertEqual(
conditional_escape(w.render('test', album.cover_art)),
'<p class="file-upload">Currently: <a href="%(STORAGE_URL)salbums/hybrid_theory.jpg">albums\hybrid_theory.jpg</a> <span class="clearable-file-input"><input type="checkbox" name="test-clear" id="test-clear_id" /> <label for="test-clear_id">Clear</label></span><br />Change: <input type="file" name="test" /></p>' % { 'STORAGE_URL': default_storage.url('') },
)
self.assertEqual(
conditional_escape(w.render('test', SimpleUploadedFile('test', 'content'))),
'<input type="file" name="test" />',
)
class ForeignKeyRawIdWidgetTest(DjangoTestCase):
def test_render(self):
band = models.Band.objects.create(name='Linkin Park')
band.album_set.create(
name='Hybrid Theory', cover_art=r'albums\hybrid_theory.jpg'
)
rel = models.Album._meta.get_field('band').rel
w = widgets.ForeignKeyRawIdWidget(rel, widget_admin_site)
self.assertEqual(
conditional_escape(w.render('test', band.pk, attrs={})),
'<input type="text" name="test" value="%(bandpk)s" class="vForeignKeyRawIdAdminField" /><a href="/widget_admin/admin_widgets/band/?t=id" class="related-lookup" id="lookup_id_test" onclick="return showRelatedObjectLookupPopup(this);"> <img src="%(ADMIN_MEDIA_PREFIX)simg/selector-search.gif" width="16" height="16" alt="Lookup" /></a>&nbsp;<strong>Linkin Park</strong>' % dict(admin_media_prefix(), bandpk=band.pk)
)
def test_relations_to_non_primary_key(self):
# Check that ForeignKeyRawIdWidget works with fields which aren't
# related to the model's primary key.
apple = models.Inventory.objects.create(barcode=86, name='Apple')
models.Inventory.objects.create(barcode=22, name='Pear')
core = models.Inventory.objects.create(
barcode=87, name='Core', parent=apple
)
rel = models.Inventory._meta.get_field('parent').rel
w = widgets.ForeignKeyRawIdWidget(rel, widget_admin_site)
self.assertEqual(
w.render('test', core.parent_id, attrs={}),
'<input type="text" name="test" value="86" class="vForeignKeyRawIdAdminField" /><a href="/widget_admin/admin_widgets/inventory/?t=barcode" class="related-lookup" id="lookup_id_test" onclick="return showRelatedObjectLookupPopup(this);"> <img src="%(ADMIN_MEDIA_PREFIX)simg/selector-search.gif" width="16" height="16" alt="Lookup" /></a>&nbsp;<strong>Apple</strong>' % admin_media_prefix()
)
def test_fk_related_model_not_in_admin(self):
# FK to a model not registered with admin site. Raw ID widget shoud
# have no magnifying glass link. See #16542
big_honeycomb = models.Honeycomb.objects.create(location='Old tree')
big_honeycomb.bee_set.create()
rel = models.Bee._meta.get_field('honeycomb').rel
w = widgets.ForeignKeyRawIdWidget(rel, widget_admin_site)
self.assertEqual(
conditional_escape(w.render('honeycomb_widget', big_honeycomb.pk, attrs={})),
'<input type="text" name="honeycomb_widget" value="%(hcombpk)s" />&nbsp;<strong>Honeycomb object</strong>' % {'hcombpk': big_honeycomb.pk}
)
def test_fk_to_self_model_not_in_admin(self):
# FK to self, not registered with admin site. Raw ID widget shoud have
# no magnifying glass link. See #16542
subject1 = models.Individual.objects.create(name='Subject #1')
models.Individual.objects.create(name='Child', parent=subject1)
rel = models.Individual._meta.get_field('parent').rel
w = widgets.ForeignKeyRawIdWidget(rel, widget_admin_site)
self.assertEqual(
conditional_escape(w.render('individual_widget', subject1.pk, attrs={})),
'<input type="text" name="individual_widget" value="%(subj1pk)s" />&nbsp;<strong>Individual object</strong>' % {'subj1pk': subject1.pk}
)
def test_proper_manager_for_label_lookup(self):
# see #9258
rel = models.Inventory._meta.get_field('parent').rel
w = widgets.ForeignKeyRawIdWidget(rel, widget_admin_site)
hidden = models.Inventory.objects.create(
barcode=93, name='Hidden', hidden=True
)
child_of_hidden = models.Inventory.objects.create(
barcode=94, name='Child of hidden', parent=hidden
)
self.assertEqual(
w.render('test', child_of_hidden.parent_id, attrs={}),
'<input type="text" name="test" value="93" class="vForeignKeyRawIdAdminField" /><a href="/widget_admin/admin_widgets/inventory/?t=barcode" class="related-lookup" id="lookup_id_test" onclick="return showRelatedObjectLookupPopup(this);"> <img src="%(ADMIN_MEDIA_PREFIX)simg/selector-search.gif" width="16" height="16" alt="Lookup" /></a>&nbsp;<strong>Hidden</strong>' % admin_media_prefix()
)
class ManyToManyRawIdWidgetTest(DjangoTestCase):
def test_render(self):
band = models.Band.objects.create(name='Linkin Park')
m1 = models.Member.objects.create(name='Chester')
m2 = models.Member.objects.create(name='Mike')
band.members.add(m1, m2)
rel = models.Band._meta.get_field('members').rel
w = widgets.ManyToManyRawIdWidget(rel, widget_admin_site)
self.assertEqual(
conditional_escape(w.render('test', [m1.pk, m2.pk], attrs={})),
'<input type="text" name="test" value="%(m1pk)s,%(m2pk)s" class="vManyToManyRawIdAdminField" /><a href="/widget_admin/admin_widgets/member/" class="related-lookup" id="lookup_id_test" onclick="return showRelatedObjectLookupPopup(this);"> <img src="/static/admin/img/selector-search.gif" width="16" height="16" alt="Lookup" /></a>' % dict(admin_media_prefix(), m1pk=m1.pk, m2pk=m2.pk)
)
self.assertEqual(
conditional_escape(w.render('test', [m1.pk])),
'<input type="text" name="test" value="%(m1pk)s" class="vManyToManyRawIdAdminField" /><a href="/widget_admin/admin_widgets/member/" class="related-lookup" id="lookup_id_test" onclick="return showRelatedObjectLookupPopup(this);"> <img src="%(ADMIN_MEDIA_PREFIX)simg/selector-search.gif" width="16" height="16" alt="Lookup" /></a>' % dict(admin_media_prefix(), m1pk=m1.pk)
)
self.assertEqual(w._has_changed(None, None), False)
self.assertEqual(w._has_changed([], None), False)
self.assertEqual(w._has_changed(None, [u'1']), True)
self.assertEqual(w._has_changed([1, 2], [u'1', u'2']), False)
self.assertEqual(w._has_changed([1, 2], [u'1']), True)
self.assertEqual(w._has_changed([1, 2], [u'1', u'3']), True)
def test_m2m_related_model_not_in_admin(self):
# M2M relationship with model not registered with admin site. Raw ID
# widget shoud have no magnifying glass link. See #16542
consultor1 = models.Advisor.objects.create(name='Rockstar Techie')
c1 = models.Company.objects.create(name='Doodle')
c2 = models.Company.objects.create(name='Pear')
consultor1.companies.add(c1, c2)
rel = models.Advisor._meta.get_field('companies').rel
w = widgets.ManyToManyRawIdWidget(rel, widget_admin_site)
self.assertEqual(
conditional_escape(w.render('company_widget1', [c1.pk, c2.pk], attrs={})),
'<input type="text" name="company_widget1" value="%(c1pk)s,%(c2pk)s" />' % {'c1pk': c1.pk, 'c2pk': c2.pk}
)
self.assertEqual(
conditional_escape(w.render('company_widget2', [c1.pk])),
'<input type="text" name="company_widget2" value="%(c1pk)s" />' % {'c1pk': c1.pk}
)
class RelatedFieldWidgetWrapperTests(DjangoTestCase):
def test_no_can_add_related(self):
rel = models.Individual._meta.get_field('parent').rel
w = widgets.AdminRadioSelect()
# Used to fail with a name error.
w = widgets.RelatedFieldWidgetWrapper(w, rel, widget_admin_site)
self.assertFalse(w.can_add_related)