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django/tests/generic_inline_admin/tests.py

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from django.contrib import admin
from django.contrib.admin.sites import AdminSite
from django.contrib.auth.models import User
from django.contrib.contenttypes.admin import GenericTabularInline
from django.contrib.contenttypes.forms import generic_inlineformset_factory
from django.contrib.contenttypes.models import ContentType
from django.forms.formsets import DEFAULT_MAX_NUM
from django.forms.models import ModelForm
from django.test import (
RequestFactory, SimpleTestCase, TestCase, override_settings,
)
from django.urls import reverse
from .admin import MediaInline, MediaPermanentInline, site as admin_site
from .models import Category, Episode, EpisodePermanent, Media, PhoneNumber
class TestDataMixin:
@classmethod
def setUpTestData(cls):
cls.superuser = User.objects.create_superuser(username='super', password='secret', email='super@example.com')
# Set DEBUG to True to ensure {% include %} will raise exceptions.
# That is how inlines are rendered and #9498 will bubble up if it is an issue.
@override_settings(DEBUG=True, ROOT_URLCONF='generic_inline_admin.urls')
class GenericAdminViewTest(TestDataMixin, TestCase):
def setUp(self):
self.client.force_login(self.superuser)
e = Episode.objects.create(name='This Week in Django')
self.episode_pk = e.pk
m = Media(content_object=e, url='http://example.com/podcast.mp3')
m.save()
self.mp3_media_pk = m.pk
m = Media(content_object=e, url='http://example.com/logo.png')
m.save()
self.png_media_pk = m.pk
def test_basic_add_GET(self):
"""
A smoke test to ensure GET on the add_view works.
"""
response = self.client.get(reverse('admin:generic_inline_admin_episode_add'))
self.assertEqual(response.status_code, 200)
def test_basic_edit_GET(self):
"""
A smoke test to ensure GET on the change_view works.
"""
response = self.client.get(
reverse('admin:generic_inline_admin_episode_change', args=(self.episode_pk,))
)
self.assertEqual(response.status_code, 200)
def test_basic_add_POST(self):
"""
A smoke test to ensure POST on add_view works.
"""
post_data = {
"name": "This Week in Django",
# inline data
"generic_inline_admin-media-content_type-object_id-TOTAL_FORMS": "1",
"generic_inline_admin-media-content_type-object_id-INITIAL_FORMS": "0",
"generic_inline_admin-media-content_type-object_id-MAX_NUM_FORMS": "0",
}
response = self.client.post(reverse('admin:generic_inline_admin_episode_add'), post_data)
self.assertEqual(response.status_code, 302) # redirect somewhere
def test_basic_edit_POST(self):
"""
A smoke test to ensure POST on edit_view works.
"""
post_data = {
"name": "This Week in Django",
# inline data
"generic_inline_admin-media-content_type-object_id-TOTAL_FORMS": "3",
"generic_inline_admin-media-content_type-object_id-INITIAL_FORMS": "2",
"generic_inline_admin-media-content_type-object_id-MAX_NUM_FORMS": "0",
"generic_inline_admin-media-content_type-object_id-0-id": "%d" % self.mp3_media_pk,
"generic_inline_admin-media-content_type-object_id-0-url": "http://example.com/podcast.mp3",
"generic_inline_admin-media-content_type-object_id-1-id": "%d" % self.png_media_pk,
"generic_inline_admin-media-content_type-object_id-1-url": "http://example.com/logo.png",
"generic_inline_admin-media-content_type-object_id-2-id": "",
"generic_inline_admin-media-content_type-object_id-2-url": "",
}
url = reverse('admin:generic_inline_admin_episode_change', args=(self.episode_pk,))
response = self.client.post(url, post_data)
self.assertEqual(response.status_code, 302) # redirect somewhere
def test_generic_inline_formset(self):
EpisodeMediaFormSet = generic_inlineformset_factory(
Media,
can_delete=False,
exclude=['description', 'keywords'],
extra=3,
)
e = Episode.objects.get(name='This Week in Django')
# Works with no queryset
formset = EpisodeMediaFormSet(instance=e)
self.assertEqual(len(formset.forms), 5)
self.assertHTMLEqual(
formset.forms[0].as_p(),
'<p><label for="id_generic_inline_admin-media-content_type-object_id-0-url">'
'Url:</label> <input id="id_generic_inline_admin-media-content_type-object_id-0-url" '
'type="url" name="generic_inline_admin-media-content_type-object_id-0-url" '
'value="http://example.com/podcast.mp3" maxlength="200" />'
'<input type="hidden" name="generic_inline_admin-media-content_type-object_id-0-id" '
'value="%s" id="id_generic_inline_admin-media-content_type-object_id-0-id" /></p>'
% self.mp3_media_pk
)
self.assertHTMLEqual(
formset.forms[1].as_p(),
'<p><label for="id_generic_inline_admin-media-content_type-object_id-1-url">'
'Url:</label> <input id="id_generic_inline_admin-media-content_type-object_id-1-url" '
'type="url" name="generic_inline_admin-media-content_type-object_id-1-url" '
'value="http://example.com/logo.png" maxlength="200" />'
'<input type="hidden" name="generic_inline_admin-media-content_type-object_id-1-id" '
'value="%s" id="id_generic_inline_admin-media-content_type-object_id-1-id" /></p>'
% self.png_media_pk
)
self.assertHTMLEqual(
formset.forms[2].as_p(),
'<p><label for="id_generic_inline_admin-media-content_type-object_id-2-url">Url:</label>'
'<input id="id_generic_inline_admin-media-content_type-object_id-2-url" type="url" '
'name="generic_inline_admin-media-content_type-object_id-2-url" maxlength="200" />'
'<input type="hidden" name="generic_inline_admin-media-content_type-object_id-2-id" '
'id="id_generic_inline_admin-media-content_type-object_id-2-id" /></p>'
)
# A queryset can be used to alter display ordering
formset = EpisodeMediaFormSet(instance=e, queryset=Media.objects.order_by('url'))
self.assertEqual(len(formset.forms), 5)
self.assertHTMLEqual(
formset.forms[0].as_p(),
'<p><label for="id_generic_inline_admin-media-content_type-object_id-0-url">Url:</label>'
'<input id="id_generic_inline_admin-media-content_type-object_id-0-url" type="url" '
'name="generic_inline_admin-media-content_type-object_id-0-url"'
'value="http://example.com/logo.png" maxlength="200" />'
'<input type="hidden" name="generic_inline_admin-media-content_type-object_id-0-id" '
'value="%s" id="id_generic_inline_admin-media-content_type-object_id-0-id" /></p>'
% self.png_media_pk
)
self.assertHTMLEqual(
formset.forms[1].as_p(),
'<p><label for="id_generic_inline_admin-media-content_type-object_id-1-url">Url:</label>'
'<input id="id_generic_inline_admin-media-content_type-object_id-1-url" type="url" '
'name="generic_inline_admin-media-content_type-object_id-1-url" '
'value="http://example.com/podcast.mp3" maxlength="200" />'
'<input type="hidden" name="generic_inline_admin-media-content_type-object_id-1-id" '
'value="%s" id="id_generic_inline_admin-media-content_type-object_id-1-id" /></p>'
% self.mp3_media_pk
)
self.assertHTMLEqual(
formset.forms[2].as_p(),
'<p><label for="id_generic_inline_admin-media-content_type-object_id-2-url">'
'Url:</label> <input id="id_generic_inline_admin-media-content_type-object_id-2-url" '
'type="url" name="generic_inline_admin-media-content_type-object_id-2-url" maxlength="200" />'
'<input type="hidden" name="generic_inline_admin-media-content_type-object_id-2-id" '
'id="id_generic_inline_admin-media-content_type-object_id-2-id" /></p>'
)
# Works with a queryset that omits items
formset = EpisodeMediaFormSet(instance=e, queryset=Media.objects.filter(url__endswith=".png"))
self.assertEqual(len(formset.forms), 4)
self.assertHTMLEqual(
formset.forms[0].as_p(),
'<p><label for="id_generic_inline_admin-media-content_type-object_id-0-url">Url:</label>'
' <input id="id_generic_inline_admin-media-content_type-object_id-0-url" type="url" '
'name="generic_inline_admin-media-content_type-object_id-0-url" '
'value="http://example.com/logo.png" maxlength="200" />'
'<input type="hidden" name="generic_inline_admin-media-content_type-object_id-0-id" '
'value="%s" id="id_generic_inline_admin-media-content_type-object_id-0-id" /></p>'
% self.png_media_pk
)
self.assertHTMLEqual(
formset.forms[1].as_p(),
'<p><label for="id_generic_inline_admin-media-content_type-object_id-1-url">'
'Url:</label> <input id="id_generic_inline_admin-media-content_type-object_id-1-url" '
'type="url" name="generic_inline_admin-media-content_type-object_id-1-url" maxlength="200" />'
'<input type="hidden" name="generic_inline_admin-media-content_type-object_id-1-id" '
'id="id_generic_inline_admin-media-content_type-object_id-1-id" /></p>'
)
def test_generic_inline_formset_factory(self):
# Regression test for #10522.
inline_formset = generic_inlineformset_factory(Media, exclude=('url',))
# Regression test for #12340.
e = Episode.objects.get(name='This Week in Django')
formset = inline_formset(instance=e)
self.assertTrue(formset.get_queryset().ordered)
@override_settings(ROOT_URLCONF='generic_inline_admin.urls')
class GenericInlineAdminParametersTest(TestDataMixin, TestCase):
def setUp(self):
self.client.force_login(self.superuser)
self.factory = RequestFactory()
def _create_object(self, model):
"""
Create a model with an attached Media object via GFK. We can't
load content via a fixture (since the GenericForeignKey relies on
content type IDs, which will vary depending on what other tests
have been run), thus we do it here.
"""
e = model.objects.create(name='This Week in Django')
Media.objects.create(content_object=e, url='http://example.com/podcast.mp3')
return e
def test_no_param(self):
"""
With one initial form, extra (default) at 3, there should be 4 forms.
"""
e = self._create_object(Episode)
response = self.client.get(reverse('admin:generic_inline_admin_episode_change', args=(e.pk,)))
formset = response.context['inline_admin_formsets'][0].formset
self.assertEqual(formset.total_form_count(), 4)
self.assertEqual(formset.initial_form_count(), 1)
def test_extra_param(self):
"""
With extra=0, there should be one form.
"""
class ExtraInline(GenericTabularInline):
model = Media
extra = 0
modeladmin = admin.ModelAdmin(Episode, admin_site)
modeladmin.inlines = [ExtraInline]
e = self._create_object(Episode)
request = self.factory.get(reverse('admin:generic_inline_admin_episode_change', args=(e.pk,)))
request.user = User(username='super', is_superuser=True)
response = modeladmin.changeform_view(request, object_id=str(e.pk))
formset = response.context_data['inline_admin_formsets'][0].formset
self.assertEqual(formset.total_form_count(), 1)
self.assertEqual(formset.initial_form_count(), 1)
def testMaxNumParam(self):
"""
With extra=5 and max_num=2, there should be only 2 forms.
"""
class MaxNumInline(GenericTabularInline):
model = Media
extra = 5
max_num = 2
modeladmin = admin.ModelAdmin(Episode, admin_site)
modeladmin.inlines = [MaxNumInline]
e = self._create_object(Episode)
request = self.factory.get(reverse('admin:generic_inline_admin_episode_change', args=(e.pk,)))
request.user = User(username='super', is_superuser=True)
response = modeladmin.changeform_view(request, object_id=str(e.pk))
formset = response.context_data['inline_admin_formsets'][0].formset
self.assertEqual(formset.total_form_count(), 2)
self.assertEqual(formset.initial_form_count(), 1)
def test_min_num_param(self):
"""
With extra=3 and min_num=2, there should be five forms.
"""
class MinNumInline(GenericTabularInline):
model = Media
extra = 3
min_num = 2
modeladmin = admin.ModelAdmin(Episode, admin_site)
modeladmin.inlines = [MinNumInline]
e = self._create_object(Episode)
request = self.factory.get(reverse('admin:generic_inline_admin_episode_change', args=(e.pk,)))
request.user = User(username='super', is_superuser=True)
response = modeladmin.changeform_view(request, object_id=str(e.pk))
formset = response.context_data['inline_admin_formsets'][0].formset
self.assertEqual(formset.total_form_count(), 5)
self.assertEqual(formset.initial_form_count(), 1)
def test_get_extra(self):
class GetExtraInline(GenericTabularInline):
model = Media
extra = 4
def get_extra(self, request, obj):
return 2
modeladmin = admin.ModelAdmin(Episode, admin_site)
modeladmin.inlines = [GetExtraInline]
e = self._create_object(Episode)
request = self.factory.get(reverse('admin:generic_inline_admin_episode_change', args=(e.pk,)))
request.user = User(username='super', is_superuser=True)
response = modeladmin.changeform_view(request, object_id=str(e.pk))
formset = response.context_data['inline_admin_formsets'][0].formset
self.assertEqual(formset.extra, 2)
def test_get_min_num(self):
class GetMinNumInline(GenericTabularInline):
model = Media
min_num = 5
def get_min_num(self, request, obj):
return 2
modeladmin = admin.ModelAdmin(Episode, admin_site)
modeladmin.inlines = [GetMinNumInline]
e = self._create_object(Episode)
request = self.factory.get(reverse('admin:generic_inline_admin_episode_change', args=(e.pk,)))
request.user = User(username='super', is_superuser=True)
response = modeladmin.changeform_view(request, object_id=str(e.pk))
formset = response.context_data['inline_admin_formsets'][0].formset
self.assertEqual(formset.min_num, 2)
def test_get_max_num(self):
class GetMaxNumInline(GenericTabularInline):
model = Media
extra = 5
def get_max_num(self, request, obj):
return 2
modeladmin = admin.ModelAdmin(Episode, admin_site)
modeladmin.inlines = [GetMaxNumInline]
e = self._create_object(Episode)
request = self.factory.get(reverse('admin:generic_inline_admin_episode_change', args=(e.pk,)))
request.user = User(username='super', is_superuser=True)
response = modeladmin.changeform_view(request, object_id=str(e.pk))
formset = response.context_data['inline_admin_formsets'][0].formset
self.assertEqual(formset.max_num, 2)
@override_settings(ROOT_URLCONF='generic_inline_admin.urls')
class GenericInlineAdminWithUniqueTogetherTest(TestDataMixin, TestCase):
def setUp(self):
self.client.force_login(self.superuser)
def test_add(self):
category_id = Category.objects.create(name='male').pk
post_data = {
"name": "John Doe",
# inline data
"generic_inline_admin-phonenumber-content_type-object_id-TOTAL_FORMS": "1",
"generic_inline_admin-phonenumber-content_type-object_id-INITIAL_FORMS": "0",
"generic_inline_admin-phonenumber-content_type-object_id-MAX_NUM_FORMS": "0",
"generic_inline_admin-phonenumber-content_type-object_id-0-id": "",
"generic_inline_admin-phonenumber-content_type-object_id-0-phone_number": "555-555-5555",
"generic_inline_admin-phonenumber-content_type-object_id-0-category": "%s" % category_id,
}
response = self.client.get(reverse('admin:generic_inline_admin_contact_add'))
self.assertEqual(response.status_code, 200)
response = self.client.post(reverse('admin:generic_inline_admin_contact_add'), post_data)
self.assertEqual(response.status_code, 302) # redirect somewhere
def test_delete(self):
from .models import Contact
c = Contact.objects.create(name='foo')
PhoneNumber.objects.create(
object_id=c.id,
content_type=ContentType.objects.get_for_model(Contact),
phone_number="555-555-5555",
)
response = self.client.post(reverse('admin:generic_inline_admin_contact_delete', args=[c.pk]))
self.assertContains(response, 'Are you sure you want to delete')
@override_settings(ROOT_URLCONF='generic_inline_admin.urls')
class NoInlineDeletionTest(SimpleTestCase):
def test_no_deletion(self):
inline = MediaPermanentInline(EpisodePermanent, admin_site)
fake_request = object()
formset = inline.get_formset(fake_request)
self.assertFalse(formset.can_delete)
class MockRequest:
pass
class MockSuperUser:
def has_perm(self, perm):
return True
request = MockRequest()
request.user = MockSuperUser()
@override_settings(ROOT_URLCONF='generic_inline_admin.urls')
class GenericInlineModelAdminTest(SimpleTestCase):
def setUp(self):
self.site = AdminSite()
def test_get_formset_kwargs(self):
media_inline = MediaInline(Media, AdminSite())
# Create a formset with default arguments
formset = media_inline.get_formset(request)
self.assertEqual(formset.max_num, DEFAULT_MAX_NUM)
self.assertIs(formset.can_order, False)
# Create a formset with custom keyword arguments
formset = media_inline.get_formset(request, max_num=100, can_order=True)
self.assertEqual(formset.max_num, 100)
self.assertIs(formset.can_order, True)
def test_custom_form_meta_exclude_with_readonly(self):
"""
The custom ModelForm's `Meta.exclude` is respected when
used in conjunction with `GenericInlineModelAdmin.readonly_fields`
and when no `ModelAdmin.exclude` is defined.
"""
class MediaForm(ModelForm):
class Meta:
model = Media
exclude = ['url']
class MediaInline(GenericTabularInline):
readonly_fields = ['description']
form = MediaForm
model = Media
class EpisodeAdmin(admin.ModelAdmin):
inlines = [
MediaInline
]
ma = EpisodeAdmin(Episode, self.site)
self.assertEqual(
list(list(ma.get_formsets_with_inlines(request))[0][0]().forms[0].fields),
['keywords', 'id', 'DELETE'])
def test_custom_form_meta_exclude(self):
"""
The custom ModelForm's `Meta.exclude` is respected by
`GenericInlineModelAdmin.get_formset`, and overridden if
`ModelAdmin.exclude` or `GenericInlineModelAdmin.exclude` are defined.
Refs #15907.
"""
# First with `GenericInlineModelAdmin` -----------------
class MediaForm(ModelForm):
class Meta:
model = Media
exclude = ['url']
class MediaInline(GenericTabularInline):
exclude = ['description']
form = MediaForm
model = Media
class EpisodeAdmin(admin.ModelAdmin):
inlines = [
MediaInline
]
ma = EpisodeAdmin(Episode, self.site)
self.assertEqual(
list(list(ma.get_formsets_with_inlines(request))[0][0]().forms[0].fields),
['url', 'keywords', 'id', 'DELETE'])
# Then, only with `ModelForm` -----------------
class MediaInline(GenericTabularInline):
form = MediaForm
model = Media
class EpisodeAdmin(admin.ModelAdmin):
inlines = [
MediaInline
]
ma = EpisodeAdmin(Episode, self.site)
self.assertEqual(
list(list(ma.get_formsets_with_inlines(request))[0][0]().forms[0].fields),
['description', 'keywords', 'id', 'DELETE'])
def test_get_fieldsets(self):
# get_fieldsets is called when figuring out form fields.
# Refs #18681.
class MediaForm(ModelForm):
class Meta:
model = Media
fields = '__all__'
class MediaInline(GenericTabularInline):
form = MediaForm
model = Media
can_delete = False
def get_fieldsets(self, request, obj=None):
return [(None, {'fields': ['url', 'description']})]
ma = MediaInline(Media, self.site)
form = ma.get_formset(None).form
self.assertEqual(form._meta.fields, ['url', 'description'])
def test_get_formsets_with_inlines_returns_tuples(self):
"""
get_formsets_with_inlines() returns the correct tuples.
"""
class MediaForm(ModelForm):
class Meta:
model = Media
exclude = ['url']
class MediaInline(GenericTabularInline):
form = MediaForm
model = Media
class AlternateInline(GenericTabularInline):
form = MediaForm
model = Media
class EpisodeAdmin(admin.ModelAdmin):
inlines = [
AlternateInline, MediaInline
]
ma = EpisodeAdmin(Episode, self.site)
inlines = ma.get_inline_instances(request)
for (formset, inline), other_inline in zip(ma.get_formsets_with_inlines(request), inlines):
self.assertIsInstance(formset, other_inline.get_formset(request).__class__)
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