django/tests/admin_validation/tests.py

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from __future__ import unicode_literals
from django import forms
from django.contrib import admin
from django.core.exceptions import ImproperlyConfigured
from django.test import TestCase
from django.test.utils import str_prefix
from .models import Song, Book, Album, TwoAlbumFKAndAnE, City
class SongForm(forms.ModelForm):
pass
class ValidFields(admin.ModelAdmin):
form = SongForm
fields = ['title']
class ValidFormFieldsets(admin.ModelAdmin):
def get_form(self, request, obj=None, **kwargs):
class ExtraFieldForm(SongForm):
name = forms.CharField(max_length=50)
return ExtraFieldForm
fieldsets = (
(None, {
'fields': ('name',),
}),
)
class ValidationTestCase(TestCase):
def test_readonly_and_editable(self):
class SongAdmin(admin.ModelAdmin):
readonly_fields = ["original_release"]
fieldsets = [
(None, {
"fields": ["title", "original_release"],
}),
]
SongAdmin.validate(Song)
def test_custom_modelforms_with_fields_fieldsets(self):
"""
# Regression test for #8027: custom ModelForms with fields/fieldsets
"""
ValidFields.validate(Song)
def test_custom_get_form_with_fieldsets(self):
"""
Ensure that the fieldsets validation is skipped when the ModelAdmin.get_form() method
is overridden.
Refs #19445.
"""
ValidFormFieldsets.validate(Song)
def test_exclude_values(self):
"""
Tests for basic validation of 'exclude' option values (#12689)
"""
class ExcludedFields1(admin.ModelAdmin):
exclude = ('foo')
self.assertRaisesMessage(ImproperlyConfigured,
"'ExcludedFields1.exclude' must be a list or tuple.",
ExcludedFields1.validate,
Book)
def test_exclude_duplicate_values(self):
class ExcludedFields2(admin.ModelAdmin):
exclude = ('name', 'name')
self.assertRaisesMessage(ImproperlyConfigured,
"There are duplicate field(s) in ExcludedFields2.exclude",
ExcludedFields2.validate,
Book)
def test_exclude_in_inline(self):
class ExcludedFieldsInline(admin.TabularInline):
model = Song
exclude = ('foo')
class ExcludedFieldsAlbumAdmin(admin.ModelAdmin):
model = Album
inlines = [ExcludedFieldsInline]
self.assertRaisesMessage(ImproperlyConfigured,
"'ExcludedFieldsInline.exclude' must be a list or tuple.",
ExcludedFieldsAlbumAdmin.validate,
Album)
def test_exclude_inline_model_admin(self):
"""
# Regression test for #9932 - exclude in InlineModelAdmin
# should not contain the ForeignKey field used in ModelAdmin.model
"""
class SongInline(admin.StackedInline):
model = Song
exclude = ['album']
class AlbumAdmin(admin.ModelAdmin):
model = Album
inlines = [SongInline]
self.assertRaisesMessage(ImproperlyConfigured,
"SongInline cannot exclude the field 'album' - this is the foreign key to the parent model admin_validation.Album.",
AlbumAdmin.validate,
Album)
def test_app_label_in_admin_validation(self):
"""
Regression test for #15669 - Include app label in admin validation messages
"""
class RawIdNonexistingAdmin(admin.ModelAdmin):
raw_id_fields = ('nonexisting',)
self.assertRaisesMessage(ImproperlyConfigured,
"'RawIdNonexistingAdmin.raw_id_fields' refers to field 'nonexisting' that is missing from model 'admin_validation.Album'.",
RawIdNonexistingAdmin.validate,
Album)
def test_fk_exclusion(self):
"""
Regression test for #11709 - when testing for fk excluding (when exclude is
given) make sure fk_name is honored or things blow up when there is more
than one fk to the parent model.
"""
class TwoAlbumFKAndAnEInline(admin.TabularInline):
model = TwoAlbumFKAndAnE
exclude = ("e",)
fk_name = "album1"
class MyAdmin(admin.ModelAdmin):
inlines = [TwoAlbumFKAndAnEInline]
MyAdmin.validate(Album)
def test_inline_self_validation(self):
class TwoAlbumFKAndAnEInline(admin.TabularInline):
model = TwoAlbumFKAndAnE
class MyAdmin(admin.ModelAdmin):
inlines = [TwoAlbumFKAndAnEInline]
self.assertRaisesMessage(Exception,
"<class 'admin_validation.models.TwoAlbumFKAndAnE'> has more than 1 ForeignKey to <class 'admin_validation.models.Album'>",
MyAdmin.validate, Album)
def test_inline_with_specified(self):
class TwoAlbumFKAndAnEInline(admin.TabularInline):
model = TwoAlbumFKAndAnE
fk_name = "album1"
class MyAdmin(admin.ModelAdmin):
inlines = [TwoAlbumFKAndAnEInline]
MyAdmin.validate(Album)
def test_readonly(self):
class SongAdmin(admin.ModelAdmin):
readonly_fields = ("title",)
SongAdmin.validate(Song)
def test_readonly_on_method(self):
def my_function(obj):
pass
class SongAdmin(admin.ModelAdmin):
readonly_fields = (my_function,)
SongAdmin.validate(Song)
def test_readonly_on_modeladmin(self):
class SongAdmin(admin.ModelAdmin):
readonly_fields = ("readonly_method_on_modeladmin",)
def readonly_method_on_modeladmin(self, obj):
pass
SongAdmin.validate(Song)
def test_readonly_method_on_model(self):
class SongAdmin(admin.ModelAdmin):
readonly_fields = ("readonly_method_on_model",)
SongAdmin.validate(Song)
def test_nonexistant_field(self):
class SongAdmin(admin.ModelAdmin):
readonly_fields = ("title", "nonexistant")
self.assertRaisesMessage(ImproperlyConfigured,
str_prefix("SongAdmin.readonly_fields[1], %(_)s'nonexistant' is not a callable "
"or an attribute of 'SongAdmin' or found in the model 'Song'."),
SongAdmin.validate,
Song)
def test_nonexistant_field_on_inline(self):
class CityInline(admin.TabularInline):
model = City
2013-10-23 10:09:29 +00:00
readonly_fields = ['i_dont_exist'] # Missing attribute
self.assertRaisesMessage(ImproperlyConfigured,
str_prefix("CityInline.readonly_fields[0], %(_)s'i_dont_exist' is not a callable "
"or an attribute of 'CityInline' or found in the model 'City'."),
CityInline.validate,
City)
def test_extra(self):
class SongAdmin(admin.ModelAdmin):
def awesome_song(self, instance):
if instance.title == "Born to Run":
return "Best Ever!"
return "Status unknown."
SongAdmin.validate(Song)
def test_readonly_lambda(self):
class SongAdmin(admin.ModelAdmin):
readonly_fields = (lambda obj: "test",)
SongAdmin.validate(Song)
def test_graceful_m2m_fail(self):
"""
Regression test for #12203/#12237 - Fail more gracefully when a M2M field that
specifies the 'through' option is included in the 'fields' or the 'fieldsets'
ModelAdmin options.
"""
class BookAdmin(admin.ModelAdmin):
fields = ['authors']
self.assertRaisesMessage(ImproperlyConfigured,
"'BookAdmin.fields' can't include the ManyToManyField field 'authors' because 'authors' manually specifies a 'through' model.",
BookAdmin.validate,
Book)
def test_cannot_include_through(self):
class FieldsetBookAdmin(admin.ModelAdmin):
fieldsets = (
('Header 1', {'fields': ('name',)}),
('Header 2', {'fields': ('authors',)}),
)
self.assertRaisesMessage(ImproperlyConfigured,
"'FieldsetBookAdmin.fieldsets[1][1]['fields']' can't include the ManyToManyField field 'authors' because 'authors' manually specifies a 'through' model.",
FieldsetBookAdmin.validate,
Book)
def test_nested_fields(self):
class NestedFieldsAdmin(admin.ModelAdmin):
fields = ('price', ('name', 'subtitle'))
NestedFieldsAdmin.validate(Book)
def test_nested_fieldsets(self):
class NestedFieldsetAdmin(admin.ModelAdmin):
fieldsets = (
('Main', {'fields': ('price', ('name', 'subtitle'))}),
)
NestedFieldsetAdmin.validate(Book)
def test_explicit_through_override(self):
"""
Regression test for #12209 -- If the explicitly provided through model
is specified as a string, the admin should still be able use
Model.m2m_field.through
"""
class AuthorsInline(admin.TabularInline):
model = Book.authors.through
class BookAdmin(admin.ModelAdmin):
inlines = [AuthorsInline]
# If the through model is still a string (and hasn't been resolved to a model)
# the validation will fail.
BookAdmin.validate(Book)
def test_non_model_fields(self):
"""
Regression for ensuring ModelAdmin.fields can contain non-model fields
that broke with r11737
"""
class SongForm(forms.ModelForm):
extra_data = forms.CharField()
class FieldsOnFormOnlyAdmin(admin.ModelAdmin):
form = SongForm
fields = ['title', 'extra_data']
FieldsOnFormOnlyAdmin.validate(Song)
def test_non_model_first_field(self):
"""
Regression for ensuring ModelAdmin.field can handle first elem being a
non-model field (test fix for UnboundLocalError introduced with r16225).
"""
class SongForm(forms.ModelForm):
extra_data = forms.CharField()
class Meta:
model = Song
fields = '__all__'
class FieldsOnFormOnlyAdmin(admin.ModelAdmin):
form = SongForm
fields = ['extra_data', 'title']
FieldsOnFormOnlyAdmin.validate(Song)