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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.models import ContentType
from django.forms.formsets import DEFAULT_MAX_NUM
from django.forms.models import ModelForm
from django.test import (
RequestFactory,
SimpleTestCase,
TestCase,
ignore_warnings,
override_settings,
)
from django.urls import reverse
from django.utils.deprecation import RemovedInDjango60Warning
from .admin import MediaInline, MediaPermanentInline
from .admin import 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"
)
@ignore_warnings(category=RemovedInDjango60Warning)
@override_settings(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
)
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self.assertEqual(response.status_code, 302) # redirect somewhere
def test_basic_edit_POST(self):
"""
A smoke test to ensure POST on edit_view works.
"""
prefix = "generic_inline_admin-media-content_type-object_id"
post_data = {
"name": "This Week in Django",
# inline data
f"{prefix}-TOTAL_FORMS": "3",
f"{prefix}-INITIAL_FORMS": "2",
f"{prefix}-MAX_NUM_FORMS": "0",
f"{prefix}-0-id": str(self.mp3_media_pk),
f"{prefix}-0-url": "http://example.com/podcast.mp3",
f"{prefix}-1-id": str(self.png_media_pk),
f"{prefix}-1-url": "http://example.com/logo.png",
f"{prefix}-2-id": "",
f"{prefix}-2-url": "",
}
url = reverse(
"admin:generic_inline_admin_episode_change", args=(self.episode_pk,)
)
response = self.client.post(url, post_data)
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self.assertEqual(response.status_code, 302) # redirect somewhere
@ignore_warnings(category=RemovedInDjango60Warning)
@override_settings(ROOT_URLCONF="generic_inline_admin.urls")
class GenericInlineAdminParametersTest(TestDataMixin, TestCase):
factory = RequestFactory()
def setUp(self):
self.client.force_login(self.superuser)
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 test_max_num_param(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
prefix = "generic_inline_admin-phonenumber-content_type-object_id"
post_data = {
"name": "John Doe",
# inline data
f"{prefix}-TOTAL_FORMS": "1",
f"{prefix}-INITIAL_FORMS": "0",
f"{prefix}-MAX_NUM_FORMS": "0",
f"{prefix}-0-id": "",
f"{prefix}-0-phone_number": "555-555-5555",
f"{prefix}-0-category": str(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
)
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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):
@ignore_warnings(category=RemovedInDjango60Warning)
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, obj=None):
return True
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request = MockRequest()
request.user = MockSuperUser()
@override_settings(ROOT_URLCONF="generic_inline_admin.urls")
class GenericInlineModelAdminTest(SimpleTestCase):
def setUp(self):
self.site = AdminSite()
@ignore_warnings(category=RemovedInDjango60Warning)
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"],
)
@ignore_warnings(category=RemovedInDjango60Warning)
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"],
)
@ignore_warnings(category=RemovedInDjango60Warning)
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__)
def test_get_inline_instances_override_get_inlines(self):
class MediaInline(GenericTabularInline):
model = Media
class AlternateInline(GenericTabularInline):
model = Media
class EpisodeAdmin(admin.ModelAdmin):
inlines = (AlternateInline, MediaInline)
def get_inlines(self, request, obj):
if hasattr(request, "name"):
if request.name == "alternate":
return self.inlines[:1]
elif request.name == "media":
return self.inlines[1:2]
return []
ma = EpisodeAdmin(Episode, self.site)
self.assertEqual(ma.get_inlines(request, None), [])
self.assertEqual(ma.get_inline_instances(request), [])
for name, inline_class in (
("alternate", AlternateInline),
("media", MediaInline),
):
request.name = name
self.assertEqual(ma.get_inlines(request, None), (inline_class,))
self.assertEqual(type(ma.get_inline_instances(request)[0]), inline_class)