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"""
Tests of ModelAdmin validation logic.
"""
from django.db import models
class Album(models.Model):
title = models.CharField(max_length=150)
class Song(models.Model):
title = models.CharField(max_length=150)
album = models.ForeignKey(Album)
class Meta:
ordering = ('title',)
def __unicode__(self):
return self.title
class TwoAlbumFKAndAnE(models.Model):
album1 = models.ForeignKey(Album, related_name="album1_set")
album2 = models.ForeignKey(Album, related_name="album2_set")
e = models.CharField(max_length=1)
__test__ = {'API_TESTS':"""
>>> from django import forms
>>> from django.contrib import admin
>>> from django.contrib.admin.validation import validate, validate_inline
# Regression test for #8027: custom ModelForms with fields/fieldsets
>>> class SongForm(forms.ModelForm):
... pass
>>> class ValidFields(admin.ModelAdmin):
... form = SongForm
... fields = ['title']
>>> class InvalidFields(admin.ModelAdmin):
... form = SongForm
... fields = ['spam']
>>> validate(ValidFields, Song)
>>> validate(InvalidFields, Song)
Traceback (most recent call last):
...
ImproperlyConfigured: 'InvalidFields.fields' refers to field 'spam' that is missing from the form.
# 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]
>>> validate(AlbumAdmin, Album)
Traceback (most recent call last):
...
ImproperlyConfigured: SongInline cannot exclude the field 'album' - this is the foreign key to the parent model Album.
# 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"
>>> validate_inline(TwoAlbumFKAndAnEInline, None, Album)
# Ensure inlines validate that they can be used correctly.
>>> class TwoAlbumFKAndAnEInline(admin.TabularInline):
... model = TwoAlbumFKAndAnE
>>> validate_inline(TwoAlbumFKAndAnEInline, None, Album)
Traceback (most recent call last):
...
Exception: <class 'regressiontests.admin_validation.models.TwoAlbumFKAndAnE'> has more than 1 ForeignKey to <class 'regressiontests.admin_validation.models.Album'>
>>> class TwoAlbumFKAndAnEInline(admin.TabularInline):
... model = TwoAlbumFKAndAnE
... fk_name = "album1"
>>> validate_inline(TwoAlbumFKAndAnEInline, None, Album)
"""}
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