2413 lines
98 KiB
Python
2413 lines
98 KiB
Python
from __future__ import unicode_literals
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import datetime
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import os
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from decimal import Decimal
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from unittest import skipUnless
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from django import forms
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from django.core.exceptions import FieldError, ImproperlyConfigured, NON_FIELD_ERRORS
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from django.core.files.uploadedfile import SimpleUploadedFile
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from django.core.validators import ValidationError
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from django.db import connection
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from django.db.models.query import EmptyQuerySet
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from django.forms.models import (construct_instance, fields_for_model,
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model_to_dict, modelform_factory, ModelFormMetaclass)
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from django.test import TestCase, skipUnlessDBFeature
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from django.utils._os import upath
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from django.utils import six
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from .models import (Article, ArticleStatus, Author, Author1, BetterWriter, BigInt, Book,
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Category, CommaSeparatedInteger, CustomFF, CustomFieldForExclusionModel,
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DerivedBook, DerivedPost, Document, ExplicitPK, FilePathModel, FlexibleDatePost, Homepage,
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ImprovedArticle, ImprovedArticleWithParentLink, Inventory, Person, Post, Price,
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Product, Publication, TextFile, Triple, Writer, WriterProfile,
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Colour, ColourfulItem, DateTimePost, CustomErrorMessage,
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test_images, StumpJoke, Character)
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if test_images:
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from .models import ImageFile, OptionalImageFile
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class ImageFileForm(forms.ModelForm):
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class Meta:
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model = ImageFile
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fields = '__all__'
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class OptionalImageFileForm(forms.ModelForm):
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class Meta:
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model = OptionalImageFile
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fields = '__all__'
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class ProductForm(forms.ModelForm):
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class Meta:
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model = Product
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fields = '__all__'
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class PriceForm(forms.ModelForm):
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class Meta:
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model = Price
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fields = '__all__'
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class BookForm(forms.ModelForm):
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class Meta:
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model = Book
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fields = '__all__'
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class DerivedBookForm(forms.ModelForm):
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class Meta:
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model = DerivedBook
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fields = '__all__'
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class ExplicitPKForm(forms.ModelForm):
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class Meta:
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model = ExplicitPK
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fields = ('key', 'desc',)
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class PostForm(forms.ModelForm):
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class Meta:
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model = Post
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fields = '__all__'
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class DerivedPostForm(forms.ModelForm):
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class Meta:
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model = DerivedPost
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fields = '__all__'
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class CustomWriterForm(forms.ModelForm):
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name = forms.CharField(required=False)
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class Meta:
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model = Writer
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fields = '__all__'
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class BaseCategoryForm(forms.ModelForm):
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class Meta:
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model = Category
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fields = '__all__'
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class ArticleForm(forms.ModelForm):
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class Meta:
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model = Article
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fields = '__all__'
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class RoykoForm(forms.ModelForm):
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class Meta:
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model = Writer
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fields = '__all__'
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class ArticleStatusForm(forms.ModelForm):
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class Meta:
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model = ArticleStatus
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fields = '__all__'
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class InventoryForm(forms.ModelForm):
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class Meta:
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model = Inventory
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fields = '__all__'
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class SelectInventoryForm(forms.Form):
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items = forms.ModelMultipleChoiceField(Inventory.objects.all(), to_field_name='barcode')
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class CustomFieldForExclusionForm(forms.ModelForm):
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class Meta:
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model = CustomFieldForExclusionModel
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fields = ['name', 'markup']
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class TextFileForm(forms.ModelForm):
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class Meta:
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model = TextFile
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fields = '__all__'
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class BigIntForm(forms.ModelForm):
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class Meta:
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model = BigInt
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fields = '__all__'
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class ModelFormWithMedia(forms.ModelForm):
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class Media:
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js = ('/some/form/javascript',)
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css = {
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'all': ('/some/form/css',)
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}
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class Meta:
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model = TextFile
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fields = '__all__'
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class CustomErrorMessageForm(forms.ModelForm):
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name1 = forms.CharField(error_messages={'invalid': 'Form custom error message.'})
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class Meta:
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fields = '__all__'
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model = CustomErrorMessage
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class ModelFormBaseTest(TestCase):
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def test_base_form(self):
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self.assertEqual(list(BaseCategoryForm.base_fields),
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['name', 'slug', 'url'])
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def test_no_model_class(self):
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class NoModelModelForm(forms.ModelForm):
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pass
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self.assertRaises(ValueError, NoModelModelForm)
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def test_empty_fields_to_fields_for_model(self):
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"""
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An argument of fields=() to fields_for_model should return an empty dictionary
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"""
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field_dict = fields_for_model(Person, fields=())
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self.assertEqual(len(field_dict), 0)
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def test_empty_fields_on_modelform(self):
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"""
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No fields on a ModelForm should actually result in no fields.
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"""
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class EmptyPersonForm(forms.ModelForm):
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class Meta:
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model = Person
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fields = ()
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form = EmptyPersonForm()
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self.assertEqual(len(form.fields), 0)
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def test_empty_fields_to_construct_instance(self):
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"""
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No fields should be set on a model instance if construct_instance receives fields=().
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"""
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form = modelform_factory(Person, fields="__all__")({'name': 'John Doe'})
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self.assertTrue(form.is_valid())
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instance = construct_instance(form, Person(), fields=())
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self.assertEqual(instance.name, '')
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def test_missing_fields_attribute(self):
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message = (
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"Creating a ModelForm without either the 'fields' attribute "
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"or the 'exclude' attribute is prohibited; form "
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"MissingFieldsForm needs updating."
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)
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with self.assertRaisesMessage(ImproperlyConfigured, message):
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class MissingFieldsForm(forms.ModelForm):
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class Meta:
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model = Category
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def test_extra_fields(self):
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class ExtraFields(BaseCategoryForm):
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some_extra_field = forms.BooleanField()
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self.assertEqual(list(ExtraFields.base_fields),
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['name', 'slug', 'url', 'some_extra_field'])
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def test_extra_field_model_form(self):
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try:
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class ExtraPersonForm(forms.ModelForm):
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""" ModelForm with an extra field """
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age = forms.IntegerField()
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class Meta:
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model = Person
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fields = ('name', 'no-field')
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except FieldError as e:
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# Make sure the exception contains some reference to the
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# field responsible for the problem.
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self.assertTrue('no-field' in e.args[0])
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else:
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self.fail('Invalid "no-field" field not caught')
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def test_extra_declared_field_model_form(self):
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try:
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class ExtraPersonForm(forms.ModelForm):
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""" ModelForm with an extra field """
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age = forms.IntegerField()
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class Meta:
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model = Person
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fields = ('name', 'age')
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except FieldError:
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self.fail('Declarative field raised FieldError incorrectly')
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def test_extra_field_modelform_factory(self):
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self.assertRaises(FieldError, modelform_factory,
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Person, fields=['no-field', 'name'])
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def test_replace_field(self):
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class ReplaceField(forms.ModelForm):
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url = forms.BooleanField()
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class Meta:
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model = Category
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fields = '__all__'
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self.assertIsInstance(ReplaceField.base_fields['url'],
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forms.fields.BooleanField)
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def test_replace_field_variant_2(self):
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# Should have the same result as before,
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# but 'fields' attribute specified differently
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class ReplaceField(forms.ModelForm):
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url = forms.BooleanField()
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class Meta:
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model = Category
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fields = ['url']
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self.assertIsInstance(ReplaceField.base_fields['url'],
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forms.fields.BooleanField)
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def test_replace_field_variant_3(self):
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# Should have the same result as before,
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# but 'fields' attribute specified differently
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class ReplaceField(forms.ModelForm):
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url = forms.BooleanField()
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class Meta:
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model = Category
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fields = [] # url will still appear, since it is explicit above
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self.assertIsInstance(ReplaceField.base_fields['url'],
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forms.fields.BooleanField)
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def test_override_field(self):
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class WriterForm(forms.ModelForm):
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book = forms.CharField(required=False)
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class Meta:
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model = Writer
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fields = '__all__'
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wf = WriterForm({'name': 'Richard Lockridge'})
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self.assertTrue(wf.is_valid())
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def test_limit_nonexistent_field(self):
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expected_msg = 'Unknown field(s) (nonexistent) specified for Category'
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with self.assertRaisesMessage(FieldError, expected_msg):
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class InvalidCategoryForm(forms.ModelForm):
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class Meta:
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model = Category
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fields = ['nonexistent']
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def test_limit_fields_with_string(self):
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expected_msg = "CategoryForm.Meta.fields cannot be a string. Did you mean to type: ('url',)?"
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with self.assertRaisesMessage(TypeError, expected_msg):
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class CategoryForm(forms.ModelForm):
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class Meta:
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model = Category
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fields = ('url') # note the missing comma
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def test_exclude_fields(self):
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class ExcludeFields(forms.ModelForm):
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class Meta:
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model = Category
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exclude = ['url']
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self.assertEqual(list(ExcludeFields.base_fields),
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['name', 'slug'])
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def test_exclude_nonexistent_field(self):
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class ExcludeFields(forms.ModelForm):
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class Meta:
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model = Category
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exclude = ['nonexistent']
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self.assertEqual(list(ExcludeFields.base_fields),
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['name', 'slug', 'url'])
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def test_exclude_fields_with_string(self):
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expected_msg = "CategoryForm.Meta.exclude cannot be a string. Did you mean to type: ('url',)?"
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with self.assertRaisesMessage(TypeError, expected_msg):
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class CategoryForm(forms.ModelForm):
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class Meta:
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model = Category
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exclude = ('url') # note the missing comma
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def test_exclude_and_validation(self):
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# This Price instance generated by this form is not valid because the quantity
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# field is required, but the form is valid because the field is excluded from
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# the form. This is for backwards compatibility.
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class PriceFormWithoutQuantity(forms.ModelForm):
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class Meta:
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model = Price
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exclude = ('quantity',)
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form = PriceFormWithoutQuantity({'price': '6.00'})
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self.assertTrue(form.is_valid())
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price = form.save(commit=False)
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with self.assertRaises(ValidationError):
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price.full_clean()
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# The form should not validate fields that it doesn't contain even if they are
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# specified using 'fields', not 'exclude'.
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class PriceFormWithoutQuantity(forms.ModelForm):
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class Meta:
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model = Price
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fields = ('price',)
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form = PriceFormWithoutQuantity({'price': '6.00'})
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self.assertTrue(form.is_valid())
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# The form should still have an instance of a model that is not complete and
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# not saved into a DB yet.
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self.assertEqual(form.instance.price, Decimal('6.00'))
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self.assertIsNone(form.instance.quantity)
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self.assertIsNone(form.instance.pk)
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def test_confused_form(self):
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class ConfusedForm(forms.ModelForm):
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""" Using 'fields' *and* 'exclude'. Not sure why you'd want to do
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this, but uh, "be liberal in what you accept" and all.
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"""
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class Meta:
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model = Category
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fields = ['name', 'url']
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exclude = ['url']
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self.assertEqual(list(ConfusedForm.base_fields),
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['name'])
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def test_mixmodel_form(self):
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class MixModelForm(BaseCategoryForm):
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""" Don't allow more than one 'model' definition in the
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inheritance hierarchy. Technically, it would generate a valid
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form, but the fact that the resulting save method won't deal with
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multiple objects is likely to trip up people not familiar with the
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mechanics.
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"""
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class Meta:
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model = Article
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fields = '__all__'
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# MixModelForm is now an Article-related thing, because MixModelForm.Meta
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# overrides BaseCategoryForm.Meta.
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self.assertEqual(
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list(MixModelForm.base_fields),
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['headline', 'slug', 'pub_date', 'writer', 'article', 'categories', 'status']
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)
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def test_article_form(self):
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self.assertEqual(
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list(ArticleForm.base_fields),
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['headline', 'slug', 'pub_date', 'writer', 'article', 'categories', 'status']
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)
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def test_bad_form(self):
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# First class with a Meta class wins...
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class BadForm(ArticleForm, BaseCategoryForm):
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pass
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self.assertEqual(
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list(BadForm.base_fields),
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['headline', 'slug', 'pub_date', 'writer', 'article', 'categories', 'status']
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)
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def test_invalid_meta_model(self):
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class InvalidModelForm(forms.ModelForm):
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class Meta:
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pass # no model
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# Can't create new form
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with self.assertRaises(ValueError):
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InvalidModelForm()
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# Even if you provide a model instance
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with self.assertRaises(ValueError):
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InvalidModelForm(instance=Category)
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def test_subcategory_form(self):
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class SubCategoryForm(BaseCategoryForm):
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""" Subclassing without specifying a Meta on the class will use
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the parent's Meta (or the first parent in the MRO if there are
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multiple parent classes).
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"""
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pass
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self.assertEqual(list(SubCategoryForm.base_fields),
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['name', 'slug', 'url'])
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def test_subclassmeta_form(self):
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class SomeCategoryForm(forms.ModelForm):
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checkbox = forms.BooleanField()
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class Meta:
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model = Category
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fields = '__all__'
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class SubclassMeta(SomeCategoryForm):
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""" We can also subclass the Meta inner class to change the fields
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list.
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"""
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class Meta(SomeCategoryForm.Meta):
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exclude = ['url']
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self.assertHTMLEqual(
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str(SubclassMeta()),
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"""<tr><th><label for="id_name">Name:</label></th><td><input id="id_name" type="text" name="name" maxlength="20" /></td></tr>
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<tr><th><label for="id_slug">Slug:</label></th><td><input id="id_slug" type="text" name="slug" maxlength="20" /></td></tr>
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<tr><th><label for="id_checkbox">Checkbox:</label></th><td><input type="checkbox" name="checkbox" id="id_checkbox" /></td></tr>"""
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)
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|
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def test_orderfields_form(self):
|
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class OrderFields(forms.ModelForm):
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class Meta:
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model = Category
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fields = ['url', 'name']
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self.assertEqual(list(OrderFields.base_fields),
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['url', 'name'])
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self.assertHTMLEqual(
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str(OrderFields()),
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"""<tr><th><label for="id_url">The URL:</label></th><td><input id="id_url" type="text" name="url" maxlength="40" /></td></tr>
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<tr><th><label for="id_name">Name:</label></th><td><input id="id_name" type="text" name="name" maxlength="20" /></td></tr>"""
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)
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|
|
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def test_orderfields2_form(self):
|
|
class OrderFields2(forms.ModelForm):
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class Meta:
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model = Category
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fields = ['slug', 'url', 'name']
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exclude = ['url']
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self.assertEqual(list(OrderFields2.base_fields),
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['slug', 'name'])
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|
|
|
|
class FieldOverridesByFormMetaForm(forms.ModelForm):
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class Meta:
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model = Category
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fields = ['name', 'url', 'slug']
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widgets = {
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'name': forms.Textarea,
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'url': forms.TextInput(attrs={'class': 'url'})
|
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}
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labels = {
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'name': 'Title',
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}
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help_texts = {
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'slug': 'Watch out! Letters, numbers, underscores and hyphens only.',
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}
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error_messages = {
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'slug': {
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'invalid': (
|
|
"Didn't you read the help text? "
|
|
"We said letters, numbers, underscores and hyphens only!"
|
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)
|
|
}
|
|
}
|
|
|
|
|
|
class TestFieldOverridesByFormMeta(TestCase):
|
|
def test_widget_overrides(self):
|
|
form = FieldOverridesByFormMetaForm()
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self.assertHTMLEqual(
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str(form['name']),
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'<textarea id="id_name" rows="10" cols="40" name="name" maxlength="20"></textarea>',
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)
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self.assertHTMLEqual(
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str(form['url']),
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'<input id="id_url" type="text" class="url" name="url" maxlength="40" />',
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)
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self.assertHTMLEqual(
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str(form['slug']),
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'<input id="id_slug" type="text" name="slug" maxlength="20" />',
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)
|
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|
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def test_label_overrides(self):
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form = FieldOverridesByFormMetaForm()
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self.assertHTMLEqual(
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str(form['name'].label_tag()),
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|
'<label for="id_name">Title:</label>',
|
|
)
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self.assertHTMLEqual(
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str(form['url'].label_tag()),
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|
'<label for="id_url">The URL:</label>',
|
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)
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self.assertHTMLEqual(
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str(form['slug'].label_tag()),
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|
'<label for="id_slug">Slug:</label>',
|
|
)
|
|
|
|
def test_help_text_overrides(self):
|
|
form = FieldOverridesByFormMetaForm()
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self.assertEqual(
|
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form['slug'].help_text,
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'Watch out! Letters, numbers, underscores and hyphens only.',
|
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)
|
|
|
|
def test_error_messages_overrides(self):
|
|
form = FieldOverridesByFormMetaForm(data={
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'name': 'Category',
|
|
'url': '/category/',
|
|
'slug': '!%#*@',
|
|
})
|
|
form.full_clean()
|
|
|
|
error = [
|
|
"Didn't you read the help text? "
|
|
"We said letters, numbers, underscores and hyphens only!",
|
|
]
|
|
self.assertEqual(form.errors, {'slug': error})
|
|
|
|
|
|
class IncompleteCategoryFormWithFields(forms.ModelForm):
|
|
"""
|
|
A form that replaces the model's url field with a custom one. This should
|
|
prevent the model field's validation from being called.
|
|
"""
|
|
url = forms.CharField(required=False)
|
|
|
|
class Meta:
|
|
fields = ('name', 'slug')
|
|
model = Category
|
|
|
|
|
|
class IncompleteCategoryFormWithExclude(forms.ModelForm):
|
|
"""
|
|
A form that replaces the model's url field with a custom one. This should
|
|
prevent the model field's validation from being called.
|
|
"""
|
|
url = forms.CharField(required=False)
|
|
|
|
class Meta:
|
|
exclude = ['url']
|
|
model = Category
|
|
|
|
|
|
class ValidationTest(TestCase):
|
|
def test_validates_with_replaced_field_not_specified(self):
|
|
form = IncompleteCategoryFormWithFields(data={'name': 'some name', 'slug': 'some-slug'})
|
|
assert form.is_valid()
|
|
|
|
def test_validates_with_replaced_field_excluded(self):
|
|
form = IncompleteCategoryFormWithExclude(data={'name': 'some name', 'slug': 'some-slug'})
|
|
assert form.is_valid()
|
|
|
|
def test_notrequired_overrides_notblank(self):
|
|
form = CustomWriterForm({})
|
|
assert form.is_valid()
|
|
|
|
|
|
class UniqueTest(TestCase):
|
|
"""
|
|
unique/unique_together validation.
|
|
"""
|
|
def setUp(self):
|
|
self.writer = Writer.objects.create(name='Mike Royko')
|
|
|
|
def test_simple_unique(self):
|
|
form = ProductForm({'slug': 'teddy-bear-blue'})
|
|
self.assertTrue(form.is_valid())
|
|
obj = form.save()
|
|
form = ProductForm({'slug': 'teddy-bear-blue'})
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['slug'], ['Product with this Slug already exists.'])
|
|
form = ProductForm({'slug': 'teddy-bear-blue'}, instance=obj)
|
|
self.assertTrue(form.is_valid())
|
|
|
|
def test_unique_together(self):
|
|
"""ModelForm test of unique_together constraint"""
|
|
form = PriceForm({'price': '6.00', 'quantity': '1'})
|
|
self.assertTrue(form.is_valid())
|
|
form.save()
|
|
form = PriceForm({'price': '6.00', 'quantity': '1'})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['__all__'], ['Price with this Price and Quantity already exists.'])
|
|
|
|
def test_multiple_field_unique_together(self):
|
|
"""
|
|
When the same field is involved in multiple unique_together
|
|
constraints, we need to make sure we don't remove the data for it
|
|
before doing all the validation checking (not just failing after
|
|
the first one).
|
|
"""
|
|
class TripleForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Triple
|
|
fields = '__all__'
|
|
|
|
Triple.objects.create(left=1, middle=2, right=3)
|
|
|
|
form = TripleForm({'left': '1', 'middle': '2', 'right': '3'})
|
|
self.assertFalse(form.is_valid())
|
|
|
|
form = TripleForm({'left': '1', 'middle': '3', 'right': '1'})
|
|
self.assertTrue(form.is_valid())
|
|
|
|
@skipUnlessDBFeature('ignores_nulls_in_unique_constraints')
|
|
def test_unique_null(self):
|
|
title = 'I May Be Wrong But I Doubt It'
|
|
form = BookForm({'title': title, 'author': self.writer.pk})
|
|
self.assertTrue(form.is_valid())
|
|
form.save()
|
|
form = BookForm({'title': title, 'author': self.writer.pk})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['__all__'], ['Book with this Title and Author already exists.'])
|
|
form = BookForm({'title': title})
|
|
self.assertTrue(form.is_valid())
|
|
form.save()
|
|
form = BookForm({'title': title})
|
|
self.assertTrue(form.is_valid())
|
|
|
|
def test_inherited_unique(self):
|
|
title = 'Boss'
|
|
Book.objects.create(title=title, author=self.writer, special_id=1)
|
|
form = DerivedBookForm({'title': 'Other', 'author': self.writer.pk, 'special_id': '1', 'isbn': '12345'})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['special_id'], ['Book with this Special id already exists.'])
|
|
|
|
def test_inherited_unique_together(self):
|
|
title = 'Boss'
|
|
form = BookForm({'title': title, 'author': self.writer.pk})
|
|
self.assertTrue(form.is_valid())
|
|
form.save()
|
|
form = DerivedBookForm({'title': title, 'author': self.writer.pk, 'isbn': '12345'})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['__all__'], ['Book with this Title and Author already exists.'])
|
|
|
|
def test_abstract_inherited_unique(self):
|
|
title = 'Boss'
|
|
isbn = '12345'
|
|
DerivedBook.objects.create(title=title, author=self.writer, isbn=isbn)
|
|
form = DerivedBookForm({'title': 'Other', 'author': self.writer.pk, 'isbn': isbn})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['isbn'], ['Derived book with this Isbn already exists.'])
|
|
|
|
def test_abstract_inherited_unique_together(self):
|
|
title = 'Boss'
|
|
isbn = '12345'
|
|
DerivedBook.objects.create(title=title, author=self.writer, isbn=isbn)
|
|
form = DerivedBookForm({
|
|
'title': 'Other',
|
|
'author': self.writer.pk,
|
|
'isbn': '9876',
|
|
'suffix1': '0',
|
|
'suffix2': '0'
|
|
})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['__all__'],
|
|
['Derived book with this Suffix1 and Suffix2 already exists.'])
|
|
|
|
def test_explicitpk_unspecified(self):
|
|
"""Test for primary_key being in the form and failing validation."""
|
|
form = ExplicitPKForm({'key': '', 'desc': ''})
|
|
self.assertFalse(form.is_valid())
|
|
|
|
def test_explicitpk_unique(self):
|
|
"""Ensure keys and blank character strings are tested for uniqueness."""
|
|
form = ExplicitPKForm({'key': 'key1', 'desc': ''})
|
|
self.assertTrue(form.is_valid())
|
|
form.save()
|
|
form = ExplicitPKForm({'key': 'key1', 'desc': ''})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 3)
|
|
self.assertEqual(form.errors['__all__'], ['Explicit pk with this Key and Desc already exists.'])
|
|
self.assertEqual(form.errors['desc'], ['Explicit pk with this Desc already exists.'])
|
|
self.assertEqual(form.errors['key'], ['Explicit pk with this Key already exists.'])
|
|
|
|
def test_unique_for_date(self):
|
|
p = Post.objects.create(title="Django 1.0 is released",
|
|
slug="Django 1.0", subtitle="Finally", posted=datetime.date(2008, 9, 3))
|
|
form = PostForm({'title': "Django 1.0 is released", 'posted': '2008-09-03'})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['title'], ['Title must be unique for Posted date.'])
|
|
form = PostForm({'title': "Work on Django 1.1 begins", 'posted': '2008-09-03'})
|
|
self.assertTrue(form.is_valid())
|
|
form = PostForm({'title': "Django 1.0 is released", 'posted': '2008-09-04'})
|
|
self.assertTrue(form.is_valid())
|
|
form = PostForm({'slug': "Django 1.0", 'posted': '2008-01-01'})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['slug'], ['Slug must be unique for Posted year.'])
|
|
form = PostForm({'subtitle': "Finally", 'posted': '2008-09-30'})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(form.errors['subtitle'], ['Subtitle must be unique for Posted month.'])
|
|
form = PostForm({'subtitle': "Finally", "title": "Django 1.0 is released",
|
|
"slug": "Django 1.0", 'posted': '2008-09-03'}, instance=p)
|
|
self.assertTrue(form.is_valid())
|
|
form = PostForm({'title': "Django 1.0 is released"})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['posted'], ['This field is required.'])
|
|
|
|
def test_unique_for_date_in_exclude(self):
|
|
"""
|
|
If the date for unique_for_* constraints is excluded from the
|
|
ModelForm (in this case 'posted' has editable=False, then the
|
|
constraint should be ignored.
|
|
"""
|
|
class DateTimePostForm(forms.ModelForm):
|
|
class Meta:
|
|
model = DateTimePost
|
|
fields = '__all__'
|
|
|
|
DateTimePost.objects.create(title="Django 1.0 is released",
|
|
slug="Django 1.0", subtitle="Finally",
|
|
posted=datetime.datetime(2008, 9, 3, 10, 10, 1))
|
|
# 'title' has unique_for_date='posted'
|
|
form = DateTimePostForm({'title': "Django 1.0 is released", 'posted': '2008-09-03'})
|
|
self.assertTrue(form.is_valid())
|
|
# 'slug' has unique_for_year='posted'
|
|
form = DateTimePostForm({'slug': "Django 1.0", 'posted': '2008-01-01'})
|
|
self.assertTrue(form.is_valid())
|
|
# 'subtitle' has unique_for_month='posted'
|
|
form = DateTimePostForm({'subtitle': "Finally", 'posted': '2008-09-30'})
|
|
self.assertTrue(form.is_valid())
|
|
|
|
def test_inherited_unique_for_date(self):
|
|
p = Post.objects.create(title="Django 1.0 is released",
|
|
slug="Django 1.0", subtitle="Finally", posted=datetime.date(2008, 9, 3))
|
|
form = DerivedPostForm({'title': "Django 1.0 is released", 'posted': '2008-09-03'})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['title'], ['Title must be unique for Posted date.'])
|
|
form = DerivedPostForm({'title': "Work on Django 1.1 begins", 'posted': '2008-09-03'})
|
|
self.assertTrue(form.is_valid())
|
|
form = DerivedPostForm({'title': "Django 1.0 is released", 'posted': '2008-09-04'})
|
|
self.assertTrue(form.is_valid())
|
|
form = DerivedPostForm({'slug': "Django 1.0", 'posted': '2008-01-01'})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['slug'], ['Slug must be unique for Posted year.'])
|
|
form = DerivedPostForm({'subtitle': "Finally", 'posted': '2008-09-30'})
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(form.errors['subtitle'], ['Subtitle must be unique for Posted month.'])
|
|
form = DerivedPostForm({'subtitle': "Finally", "title": "Django 1.0 is released",
|
|
"slug": "Django 1.0", 'posted': '2008-09-03'}, instance=p)
|
|
self.assertTrue(form.is_valid())
|
|
|
|
def test_unique_for_date_with_nullable_date(self):
|
|
class FlexDatePostForm(forms.ModelForm):
|
|
class Meta:
|
|
model = FlexibleDatePost
|
|
fields = '__all__'
|
|
|
|
p = FlexibleDatePost.objects.create(title="Django 1.0 is released",
|
|
slug="Django 1.0", subtitle="Finally", posted=datetime.date(2008, 9, 3))
|
|
|
|
form = FlexDatePostForm({'title': "Django 1.0 is released"})
|
|
self.assertTrue(form.is_valid())
|
|
form = FlexDatePostForm({'slug': "Django 1.0"})
|
|
self.assertTrue(form.is_valid())
|
|
form = FlexDatePostForm({'subtitle': "Finally"})
|
|
self.assertTrue(form.is_valid())
|
|
form = FlexDatePostForm({'subtitle': "Finally", "title": "Django 1.0 is released",
|
|
"slug": "Django 1.0"}, instance=p)
|
|
self.assertTrue(form.is_valid())
|
|
|
|
def test_override_unique_message(self):
|
|
class CustomProductForm(ProductForm):
|
|
class Meta(ProductForm.Meta):
|
|
error_messages = {
|
|
'slug': {
|
|
'unique': "%(model_name)s's %(field_label)s not unique.",
|
|
}
|
|
}
|
|
|
|
Product.objects.create(slug='teddy-bear-blue')
|
|
form = CustomProductForm({'slug': 'teddy-bear-blue'})
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['slug'], ["Product's Slug not unique."])
|
|
|
|
def test_override_unique_together_message(self):
|
|
class CustomPriceForm(PriceForm):
|
|
class Meta(PriceForm.Meta):
|
|
error_messages = {
|
|
NON_FIELD_ERRORS: {
|
|
'unique_together': "%(model_name)s's %(field_labels)s not unique.",
|
|
}
|
|
}
|
|
|
|
Price.objects.create(price=6.00, quantity=1)
|
|
form = CustomPriceForm({'price': '6.00', 'quantity': '1'})
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors[NON_FIELD_ERRORS], ["Price's Price and Quantity not unique."])
|
|
|
|
def test_override_unique_for_date_message(self):
|
|
class CustomPostForm(PostForm):
|
|
class Meta(PostForm.Meta):
|
|
error_messages = {
|
|
'title': {
|
|
'unique_for_date': "%(model_name)s's %(field_label)s not unique for %(date_field_label)s date.",
|
|
}
|
|
}
|
|
|
|
Post.objects.create(title="Django 1.0 is released",
|
|
slug="Django 1.0", subtitle="Finally", posted=datetime.date(2008, 9, 3))
|
|
form = CustomPostForm({'title': "Django 1.0 is released", 'posted': '2008-09-03'})
|
|
self.assertEqual(len(form.errors), 1)
|
|
self.assertEqual(form.errors['title'], ["Post's Title not unique for Posted date."])
|
|
|
|
|
|
class ModelToDictTests(TestCase):
|
|
"""
|
|
Tests for forms.models.model_to_dict
|
|
"""
|
|
def test_model_to_dict_many_to_many(self):
|
|
categories = [
|
|
Category(name='TestName1', slug='TestName1', url='url1'),
|
|
Category(name='TestName2', slug='TestName2', url='url2'),
|
|
Category(name='TestName3', slug='TestName3', url='url3')
|
|
]
|
|
for c in categories:
|
|
c.save()
|
|
writer = Writer(name='Test writer')
|
|
writer.save()
|
|
|
|
art = Article(
|
|
headline='Test article',
|
|
slug='test-article',
|
|
pub_date=datetime.date(1988, 1, 4),
|
|
writer=writer,
|
|
article='Hello.'
|
|
)
|
|
art.save()
|
|
for c in categories:
|
|
art.categories.add(c)
|
|
art.save()
|
|
|
|
with self.assertNumQueries(1):
|
|
d = model_to_dict(art)
|
|
|
|
# Ensure all many-to-many categories appear in model_to_dict
|
|
for c in categories:
|
|
self.assertIn(c.pk, d['categories'])
|
|
# Ensure many-to-many relation appears as a list
|
|
self.assertIsInstance(d['categories'], list)
|
|
|
|
def test_reuse_prefetched(self):
|
|
# model_to_dict should not hit the database if it can reuse
|
|
# the data populated by prefetch_related.
|
|
categories = [
|
|
Category(name='TestName1', slug='TestName1', url='url1'),
|
|
Category(name='TestName2', slug='TestName2', url='url2'),
|
|
Category(name='TestName3', slug='TestName3', url='url3')
|
|
]
|
|
for c in categories:
|
|
c.save()
|
|
writer = Writer(name='Test writer')
|
|
writer.save()
|
|
|
|
art = Article(
|
|
headline='Test article',
|
|
slug='test-article',
|
|
pub_date=datetime.date(1988, 1, 4),
|
|
writer=writer,
|
|
article='Hello.'
|
|
)
|
|
art.save()
|
|
for c in categories:
|
|
art.categories.add(c)
|
|
|
|
art = Article.objects.prefetch_related('categories').get(pk=art.pk)
|
|
|
|
with self.assertNumQueries(0):
|
|
d = model_to_dict(art)
|
|
|
|
#Ensure all many-to-many categories appear in model_to_dict
|
|
for c in categories:
|
|
self.assertIn(c.pk, d['categories'])
|
|
#Ensure many-to-many relation appears as a list
|
|
self.assertIsInstance(d['categories'], list)
|
|
|
|
|
|
class ModelFormBasicTests(TestCase):
|
|
def create_basic_data(self):
|
|
self.c1 = Category.objects.create(
|
|
name="Entertainment", slug="entertainment", url="entertainment")
|
|
self.c2 = Category.objects.create(
|
|
name="It's a test", slug="its-test", url="test")
|
|
self.c3 = Category.objects.create(
|
|
name="Third test", slug="third-test", url="third")
|
|
self.w_royko = Writer.objects.create(name='Mike Royko')
|
|
self.w_woodward = Writer.objects.create(name='Bob Woodward')
|
|
|
|
def test_base_form(self):
|
|
self.assertEqual(Category.objects.count(), 0)
|
|
f = BaseCategoryForm()
|
|
self.assertHTMLEqual(
|
|
str(f),
|
|
"""<tr><th><label for="id_name">Name:</label></th><td><input id="id_name" type="text" name="name" maxlength="20" /></td></tr>
|
|
<tr><th><label for="id_slug">Slug:</label></th><td><input id="id_slug" type="text" name="slug" maxlength="20" /></td></tr>
|
|
<tr><th><label for="id_url">The URL:</label></th><td><input id="id_url" type="text" name="url" maxlength="40" /></td></tr>"""
|
|
)
|
|
self.assertHTMLEqual(
|
|
str(f.as_ul()),
|
|
"""<li><label for="id_name">Name:</label> <input id="id_name" type="text" name="name" maxlength="20" /></li>
|
|
<li><label for="id_slug">Slug:</label> <input id="id_slug" type="text" name="slug" maxlength="20" /></li>
|
|
<li><label for="id_url">The URL:</label> <input id="id_url" type="text" name="url" maxlength="40" /></li>"""
|
|
)
|
|
self.assertHTMLEqual(
|
|
str(f["name"]),
|
|
"""<input id="id_name" type="text" name="name" maxlength="20" />""")
|
|
|
|
def test_auto_id(self):
|
|
f = BaseCategoryForm(auto_id=False)
|
|
self.assertHTMLEqual(
|
|
str(f.as_ul()),
|
|
"""<li>Name: <input type="text" name="name" maxlength="20" /></li>
|
|
<li>Slug: <input type="text" name="slug" maxlength="20" /></li>
|
|
<li>The URL: <input type="text" name="url" maxlength="40" /></li>"""
|
|
)
|
|
|
|
def test_initial_values(self):
|
|
self.create_basic_data()
|
|
# Initial values can be provided for model forms
|
|
f = ArticleForm(
|
|
auto_id=False,
|
|
initial={
|
|
'headline': 'Your headline here',
|
|
'categories': [str(self.c1.id), str(self.c2.id)]
|
|
})
|
|
self.assertHTMLEqual(f.as_ul(), '''<li>Headline: <input type="text" name="headline" value="Your headline here" maxlength="50" /></li>
|
|
<li>Slug: <input type="text" name="slug" maxlength="50" /></li>
|
|
<li>Pub date: <input type="text" name="pub_date" /></li>
|
|
<li>Writer: <select name="writer">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="%s">Bob Woodward</option>
|
|
<option value="%s">Mike Royko</option>
|
|
</select></li>
|
|
<li>Article: <textarea rows="10" cols="40" name="article"></textarea></li>
|
|
<li>Categories: <select multiple="multiple" name="categories">
|
|
<option value="%s" selected="selected">Entertainment</option>
|
|
<option value="%s" selected="selected">It's a test</option>
|
|
<option value="%s">Third test</option>
|
|
</select></li>
|
|
<li>Status: <select name="status">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="1">Draft</option>
|
|
<option value="2">Pending</option>
|
|
<option value="3">Live</option>
|
|
</select></li>''' % (self.w_woodward.pk, self.w_royko.pk, self.c1.pk, self.c2.pk, self.c3.pk))
|
|
|
|
# When the ModelForm is passed an instance, that instance's current values are
|
|
# inserted as 'initial' data in each Field.
|
|
f = RoykoForm(auto_id=False, instance=self.w_royko)
|
|
self.assertHTMLEqual(six.text_type(f), '''<tr><th>Name:</th><td><input type="text" name="name" value="Mike Royko" maxlength="50" /><br /><span class="helptext">Use both first and last names.</span></td></tr>''')
|
|
|
|
art = Article.objects.create(
|
|
headline='Test article',
|
|
slug='test-article',
|
|
pub_date=datetime.date(1988, 1, 4),
|
|
writer=self.w_royko,
|
|
article='Hello.'
|
|
)
|
|
art_id_1 = art.id
|
|
|
|
f = ArticleForm(auto_id=False, instance=art)
|
|
self.assertHTMLEqual(f.as_ul(), '''<li>Headline: <input type="text" name="headline" value="Test article" maxlength="50" /></li>
|
|
<li>Slug: <input type="text" name="slug" value="test-article" maxlength="50" /></li>
|
|
<li>Pub date: <input type="text" name="pub_date" value="1988-01-04" /></li>
|
|
<li>Writer: <select name="writer">
|
|
<option value="">---------</option>
|
|
<option value="%s">Bob Woodward</option>
|
|
<option value="%s" selected="selected">Mike Royko</option>
|
|
</select></li>
|
|
<li>Article: <textarea rows="10" cols="40" name="article">Hello.</textarea></li>
|
|
<li>Categories: <select multiple="multiple" name="categories">
|
|
<option value="%s">Entertainment</option>
|
|
<option value="%s">It's a test</option>
|
|
<option value="%s">Third test</option>
|
|
</select></li>
|
|
<li>Status: <select name="status">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="1">Draft</option>
|
|
<option value="2">Pending</option>
|
|
<option value="3">Live</option>
|
|
</select></li>''' % (self.w_woodward.pk, self.w_royko.pk, self.c1.pk, self.c2.pk, self.c3.pk))
|
|
|
|
f = ArticleForm({
|
|
'headline': 'Test headline',
|
|
'slug': 'test-headline',
|
|
'pub_date': '1984-02-06',
|
|
'writer': six.text_type(self.w_royko.pk),
|
|
'article': 'Hello.'
|
|
}, instance=art)
|
|
self.assertEqual(f.errors, {})
|
|
self.assertTrue(f.is_valid())
|
|
test_art = f.save()
|
|
self.assertEqual(test_art.id, art_id_1)
|
|
test_art = Article.objects.get(id=art_id_1)
|
|
self.assertEqual(test_art.headline, 'Test headline')
|
|
|
|
def test_m2m_initial_callable(self):
|
|
"""
|
|
Regression for #10349: A callable can be provided as the initial value for an m2m field
|
|
"""
|
|
self.maxDiff = 1200
|
|
self.create_basic_data()
|
|
|
|
# Set up a callable initial value
|
|
def formfield_for_dbfield(db_field, **kwargs):
|
|
if db_field.name == 'categories':
|
|
kwargs['initial'] = lambda: Category.objects.all().order_by('name')[:2]
|
|
return db_field.formfield(**kwargs)
|
|
|
|
# Create a ModelForm, instantiate it, and check that the output is as expected
|
|
ModelForm = modelform_factory(Article, fields=['headline', 'categories'],
|
|
formfield_callback=formfield_for_dbfield)
|
|
form = ModelForm()
|
|
self.assertHTMLEqual(form.as_ul(), """<li><label for="id_headline">Headline:</label> <input id="id_headline" type="text" name="headline" maxlength="50" /></li>
|
|
<li><label for="id_categories">Categories:</label> <select multiple="multiple" name="categories" id="id_categories">
|
|
<option value="%d" selected="selected">Entertainment</option>
|
|
<option value="%d" selected="selected">It&39;s a test</option>
|
|
<option value="%d">Third test</option>
|
|
</select></li>"""
|
|
% (self.c1.pk, self.c2.pk, self.c3.pk))
|
|
|
|
def test_basic_creation(self):
|
|
self.assertEqual(Category.objects.count(), 0)
|
|
f = BaseCategoryForm({'name': 'Entertainment',
|
|
'slug': 'entertainment',
|
|
'url': 'entertainment'})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(f.cleaned_data['name'], 'Entertainment')
|
|
self.assertEqual(f.cleaned_data['slug'], 'entertainment')
|
|
self.assertEqual(f.cleaned_data['url'], 'entertainment')
|
|
c1 = f.save()
|
|
# Testing wether the same object is returned from the
|
|
# ORM... not the fastest way...
|
|
|
|
self.assertEqual(Category.objects.count(), 1)
|
|
self.assertEqual(c1, Category.objects.all()[0])
|
|
self.assertEqual(c1.name, "Entertainment")
|
|
|
|
def test_save_commit_false(self):
|
|
# If you call save() with commit=False, then it will return an object that
|
|
# hasn't yet been saved to the database. In this case, it's up to you to call
|
|
# save() on the resulting model instance.
|
|
f = BaseCategoryForm({'name': 'Third test', 'slug': 'third-test', 'url': 'third'})
|
|
self.assertTrue(f.is_valid())
|
|
c1 = f.save(commit=False)
|
|
self.assertEqual(c1.name, "Third test")
|
|
self.assertEqual(Category.objects.count(), 0)
|
|
c1.save()
|
|
self.assertEqual(Category.objects.count(), 1)
|
|
|
|
def test_save_with_data_errors(self):
|
|
# If you call save() with invalid data, you'll get a ValueError.
|
|
f = BaseCategoryForm({'name': '', 'slug': 'not a slug!', 'url': 'foo'})
|
|
self.assertEqual(f.errors['name'], ['This field is required.'])
|
|
self.assertEqual(f.errors['slug'], ["Enter a valid 'slug' consisting of letters, numbers, underscores or hyphens."])
|
|
self.assertEqual(f.cleaned_data, {'url': 'foo'})
|
|
with self.assertRaises(ValueError):
|
|
f.save()
|
|
f = BaseCategoryForm({'name': '', 'slug': '', 'url': 'foo'})
|
|
with self.assertRaises(ValueError):
|
|
f.save()
|
|
|
|
def test_multi_fields(self):
|
|
self.create_basic_data()
|
|
self.maxDiff = None
|
|
# ManyToManyFields are represented by a MultipleChoiceField, ForeignKeys and any
|
|
# fields with the 'choices' attribute are represented by a ChoiceField.
|
|
f = ArticleForm(auto_id=False)
|
|
self.assertHTMLEqual(six.text_type(f), '''<tr><th>Headline:</th><td><input type="text" name="headline" maxlength="50" /></td></tr>
|
|
<tr><th>Slug:</th><td><input type="text" name="slug" maxlength="50" /></td></tr>
|
|
<tr><th>Pub date:</th><td><input type="text" name="pub_date" /></td></tr>
|
|
<tr><th>Writer:</th><td><select name="writer">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="%s">Bob Woodward</option>
|
|
<option value="%s">Mike Royko</option>
|
|
</select></td></tr>
|
|
<tr><th>Article:</th><td><textarea rows="10" cols="40" name="article"></textarea></td></tr>
|
|
<tr><th>Categories:</th><td><select multiple="multiple" name="categories">
|
|
<option value="%s">Entertainment</option>
|
|
<option value="%s">It's a test</option>
|
|
<option value="%s">Third test</option>
|
|
</select></td></tr>
|
|
<tr><th>Status:</th><td><select name="status">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="1">Draft</option>
|
|
<option value="2">Pending</option>
|
|
<option value="3">Live</option>
|
|
</select></td></tr>''' % (self.w_woodward.pk, self.w_royko.pk, self.c1.pk, self.c2.pk, self.c3.pk))
|
|
|
|
# Add some categories and test the many-to-many form output.
|
|
new_art = Article.objects.create(
|
|
article="Hello.", headline="New headline", slug="new-headline",
|
|
pub_date=datetime.date(1988, 1, 4), writer=self.w_royko)
|
|
new_art.categories.add(Category.objects.get(name='Entertainment'))
|
|
self.assertQuerysetEqual(new_art.categories.all(), ["Entertainment"])
|
|
f = ArticleForm(auto_id=False, instance=new_art)
|
|
self.assertHTMLEqual(f.as_ul(), '''<li>Headline: <input type="text" name="headline" value="New headline" maxlength="50" /></li>
|
|
<li>Slug: <input type="text" name="slug" value="new-headline" maxlength="50" /></li>
|
|
<li>Pub date: <input type="text" name="pub_date" value="1988-01-04" /></li>
|
|
<li>Writer: <select name="writer">
|
|
<option value="">---------</option>
|
|
<option value="%s">Bob Woodward</option>
|
|
<option value="%s" selected="selected">Mike Royko</option>
|
|
</select></li>
|
|
<li>Article: <textarea rows="10" cols="40" name="article">Hello.</textarea></li>
|
|
<li>Categories: <select multiple="multiple" name="categories">
|
|
<option value="%s" selected="selected">Entertainment</option>
|
|
<option value="%s">It's a test</option>
|
|
<option value="%s">Third test</option>
|
|
</select></li>
|
|
<li>Status: <select name="status">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="1">Draft</option>
|
|
<option value="2">Pending</option>
|
|
<option value="3">Live</option>
|
|
</select></li>''' % (self.w_woodward.pk, self.w_royko.pk, self.c1.pk, self.c2.pk, self.c3.pk))
|
|
|
|
def test_subset_fields(self):
|
|
# You can restrict a form to a subset of the complete list of fields
|
|
# by providing a 'fields' argument. If you try to save a
|
|
# model created with such a form, you need to ensure that the fields
|
|
# that are _not_ on the form have default values, or are allowed to have
|
|
# a value of None. If a field isn't specified on a form, the object created
|
|
# from the form can't provide a value for that field!
|
|
class PartialArticleForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Article
|
|
fields = ('headline', 'pub_date')
|
|
|
|
f = PartialArticleForm(auto_id=False)
|
|
self.assertHTMLEqual(six.text_type(f), '''<tr><th>Headline:</th><td><input type="text" name="headline" maxlength="50" /></td></tr>
|
|
<tr><th>Pub date:</th><td><input type="text" name="pub_date" /></td></tr>''')
|
|
|
|
# You can create a form over a subset of the available fields
|
|
# by specifying a 'fields' argument to form_for_instance.
|
|
class PartialArticleFormWithSlug(forms.ModelForm):
|
|
class Meta:
|
|
model = Article
|
|
fields = ('headline', 'slug', 'pub_date')
|
|
|
|
w_royko = Writer.objects.create(name='Mike Royko')
|
|
art = Article.objects.create(
|
|
article="Hello.", headline="New headline", slug="new-headline",
|
|
pub_date=datetime.date(1988, 1, 4), writer=w_royko)
|
|
f = PartialArticleFormWithSlug({
|
|
'headline': 'New headline',
|
|
'slug': 'new-headline',
|
|
'pub_date': '1988-01-04'
|
|
}, auto_id=False, instance=art)
|
|
self.assertHTMLEqual(f.as_ul(), '''<li>Headline: <input type="text" name="headline" value="New headline" maxlength="50" /></li>
|
|
<li>Slug: <input type="text" name="slug" value="new-headline" maxlength="50" /></li>
|
|
<li>Pub date: <input type="text" name="pub_date" value="1988-01-04" /></li>''')
|
|
self.assertTrue(f.is_valid())
|
|
new_art = f.save()
|
|
self.assertEqual(new_art.id, art.id)
|
|
new_art = Article.objects.get(id=art.id)
|
|
self.assertEqual(new_art.headline, 'New headline')
|
|
|
|
def test_m2m_editing(self):
|
|
self.create_basic_data()
|
|
form_data = {
|
|
'headline': 'New headline',
|
|
'slug': 'new-headline',
|
|
'pub_date': '1988-01-04',
|
|
'writer': six.text_type(self.w_royko.pk),
|
|
'article': 'Hello.',
|
|
'categories': [six.text_type(self.c1.id), six.text_type(self.c2.id)]
|
|
}
|
|
# Create a new article, with categories, via the form.
|
|
f = ArticleForm(form_data)
|
|
new_art = f.save()
|
|
new_art = Article.objects.get(id=new_art.id)
|
|
art_id_1 = new_art.id
|
|
self.assertQuerysetEqual(new_art.categories.order_by('name'),
|
|
["Entertainment", "It's a test"])
|
|
|
|
# Now, submit form data with no categories. This deletes the existing categories.
|
|
form_data['categories'] = []
|
|
f = ArticleForm(form_data, instance=new_art)
|
|
new_art = f.save()
|
|
self.assertEqual(new_art.id, art_id_1)
|
|
new_art = Article.objects.get(id=art_id_1)
|
|
self.assertQuerysetEqual(new_art.categories.all(), [])
|
|
|
|
# Create a new article, with no categories, via the form.
|
|
f = ArticleForm(form_data)
|
|
new_art = f.save()
|
|
art_id_2 = new_art.id
|
|
self.assertNotIn(art_id_2, (None, art_id_1))
|
|
new_art = Article.objects.get(id=art_id_2)
|
|
self.assertQuerysetEqual(new_art.categories.all(), [])
|
|
|
|
# Create a new article, with categories, via the form, but use commit=False.
|
|
# The m2m data won't be saved until save_m2m() is invoked on the form.
|
|
form_data['categories'] = [six.text_type(self.c1.id), six.text_type(self.c2.id)]
|
|
f = ArticleForm(form_data)
|
|
new_art = f.save(commit=False)
|
|
|
|
# Manually save the instance
|
|
new_art.save()
|
|
art_id_3 = new_art.id
|
|
self.assertNotIn(art_id_3, (None, art_id_1, art_id_2))
|
|
|
|
# The instance doesn't have m2m data yet
|
|
new_art = Article.objects.get(id=art_id_3)
|
|
self.assertQuerysetEqual(new_art.categories.all(), [])
|
|
|
|
# Save the m2m data on the form
|
|
f.save_m2m()
|
|
self.assertQuerysetEqual(new_art.categories.order_by('name'),
|
|
["Entertainment", "It's a test"])
|
|
|
|
def test_custom_form_fields(self):
|
|
# Here, we define a custom ModelForm. Because it happens to have the same fields as
|
|
# the Category model, we can just call the form's save() to apply its changes to an
|
|
# existing Category instance.
|
|
class ShortCategory(forms.ModelForm):
|
|
name = forms.CharField(max_length=5)
|
|
slug = forms.CharField(max_length=5)
|
|
url = forms.CharField(max_length=3)
|
|
|
|
class Meta:
|
|
model = Category
|
|
fields = '__all__'
|
|
|
|
cat = Category.objects.create(name='Third test')
|
|
form = ShortCategory({'name': 'Third', 'slug': 'third', 'url': '3rd'}, instance=cat)
|
|
self.assertEqual(form.save().name, 'Third')
|
|
self.assertEqual(Category.objects.get(id=cat.id).name, 'Third')
|
|
|
|
def test_runtime_choicefield_populated(self):
|
|
self.maxDiff = None
|
|
# Here, we demonstrate that choices for a ForeignKey ChoiceField are determined
|
|
# at runtime, based on the data in the database when the form is displayed, not
|
|
# the data in the database when the form is instantiated.
|
|
self.create_basic_data()
|
|
f = ArticleForm(auto_id=False)
|
|
self.assertHTMLEqual(f.as_ul(), '''<li>Headline: <input type="text" name="headline" maxlength="50" /></li>
|
|
<li>Slug: <input type="text" name="slug" maxlength="50" /></li>
|
|
<li>Pub date: <input type="text" name="pub_date" /></li>
|
|
<li>Writer: <select name="writer">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="%s">Bob Woodward</option>
|
|
<option value="%s">Mike Royko</option>
|
|
</select></li>
|
|
<li>Article: <textarea rows="10" cols="40" name="article"></textarea></li>
|
|
<li>Categories: <select multiple="multiple" name="categories">
|
|
<option value="%s">Entertainment</option>
|
|
<option value="%s">It's a test</option>
|
|
<option value="%s">Third test</option>
|
|
</select> </li>
|
|
<li>Status: <select name="status">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="1">Draft</option>
|
|
<option value="2">Pending</option>
|
|
<option value="3">Live</option>
|
|
</select></li>''' % (self.w_woodward.pk, self.w_royko.pk, self.c1.pk, self.c2.pk, self.c3.pk))
|
|
|
|
c4 = Category.objects.create(name='Fourth', url='4th')
|
|
w_bernstein = Writer.objects.create(name='Carl Bernstein')
|
|
self.assertHTMLEqual(f.as_ul(), '''<li>Headline: <input type="text" name="headline" maxlength="50" /></li>
|
|
<li>Slug: <input type="text" name="slug" maxlength="50" /></li>
|
|
<li>Pub date: <input type="text" name="pub_date" /></li>
|
|
<li>Writer: <select name="writer">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="%s">Bob Woodward</option>
|
|
<option value="%s">Carl Bernstein</option>
|
|
<option value="%s">Mike Royko</option>
|
|
</select></li>
|
|
<li>Article: <textarea rows="10" cols="40" name="article"></textarea></li>
|
|
<li>Categories: <select multiple="multiple" name="categories">
|
|
<option value="%s">Entertainment</option>
|
|
<option value="%s">It's a test</option>
|
|
<option value="%s">Third test</option>
|
|
<option value="%s">Fourth</option>
|
|
</select></li>
|
|
<li>Status: <select name="status">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="1">Draft</option>
|
|
<option value="2">Pending</option>
|
|
<option value="3">Live</option>
|
|
</select></li>''' % (self.w_woodward.pk, w_bernstein.pk, self.w_royko.pk, self.c1.pk, self.c2.pk, self.c3.pk, c4.pk))
|
|
|
|
|
|
class ModelChoiceFieldTests(TestCase):
|
|
def setUp(self):
|
|
self.c1 = Category.objects.create(
|
|
name="Entertainment", slug="entertainment", url="entertainment")
|
|
self.c2 = Category.objects.create(
|
|
name="It's a test", slug="its-test", url="test")
|
|
self.c3 = Category.objects.create(
|
|
name="Third", slug="third-test", url="third")
|
|
|
|
# ModelChoiceField ############################################################
|
|
def test_modelchoicefield(self):
|
|
f = forms.ModelChoiceField(Category.objects.all())
|
|
self.assertEqual(list(f.choices), [
|
|
('', '---------'),
|
|
(self.c1.pk, 'Entertainment'),
|
|
(self.c2.pk, "It's a test"),
|
|
(self.c3.pk, 'Third')])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean('')
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(None)
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(0)
|
|
self.assertEqual(f.clean(self.c2.id).name, "It's a test")
|
|
self.assertEqual(f.clean(self.c3.id).name, 'Third')
|
|
|
|
# Add a Category object *after* the ModelChoiceField has already been
|
|
# instantiated. This proves clean() checks the database during clean() rather
|
|
# than caching it at time of instantiation.
|
|
c4 = Category.objects.create(name='Fourth', url='4th')
|
|
self.assertEqual(f.clean(c4.id).name, 'Fourth')
|
|
|
|
# Delete a Category object *after* the ModelChoiceField has already been
|
|
# instantiated. This proves clean() checks the database during clean() rather
|
|
# than caching it at time of instantiation.
|
|
Category.objects.get(url='4th').delete()
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(c4.id)
|
|
|
|
def test_modelchoicefield_choices(self):
|
|
f = forms.ModelChoiceField(Category.objects.filter(pk=self.c1.id), required=False)
|
|
self.assertIsNone(f.clean(''))
|
|
self.assertEqual(f.clean(str(self.c1.id)).name, "Entertainment")
|
|
with self.assertRaises(ValidationError):
|
|
f.clean('100')
|
|
|
|
# len can be called on choices
|
|
self.assertEqual(len(f.choices), 2)
|
|
|
|
# queryset can be changed after the field is created.
|
|
f.queryset = Category.objects.exclude(name='Third')
|
|
self.assertEqual(list(f.choices), [
|
|
('', '---------'),
|
|
(self.c1.pk, 'Entertainment'),
|
|
(self.c2.pk, "It's a test")])
|
|
self.assertEqual(f.clean(self.c2.id).name, "It's a test")
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(self.c3.id)
|
|
|
|
# check that we can safely iterate choices repeatedly
|
|
gen_one = list(f.choices)
|
|
gen_two = f.choices
|
|
self.assertEqual(gen_one[2], (self.c2.pk, "It's a test"))
|
|
self.assertEqual(list(gen_two), [
|
|
('', '---------'),
|
|
(self.c1.pk, 'Entertainment'),
|
|
(self.c2.pk, "It's a test")])
|
|
|
|
# check that we can override the label_from_instance method to print custom labels (#4620)
|
|
f.queryset = Category.objects.all()
|
|
f.label_from_instance = lambda obj: "category " + str(obj)
|
|
self.assertEqual(list(f.choices), [
|
|
('', '---------'),
|
|
(self.c1.pk, 'category Entertainment'),
|
|
(self.c2.pk, "category It's a test"),
|
|
(self.c3.pk, 'category Third')])
|
|
|
|
def test_modelchoicefield_11183(self):
|
|
"""
|
|
Regression test for ticket #11183.
|
|
"""
|
|
class ModelChoiceForm(forms.Form):
|
|
category = forms.ModelChoiceField(Category.objects.all())
|
|
|
|
form1 = ModelChoiceForm()
|
|
field1 = form1.fields['category']
|
|
# To allow the widget to change the queryset of field1.widget.choices correctly,
|
|
# without affecting other forms, the following must hold:
|
|
self.assertTrue(field1 is not ModelChoiceForm.base_fields['category'])
|
|
self.assertTrue(field1.widget.choices.field is field1)
|
|
|
|
|
|
class ModelMultipleChoiceFieldTests(TestCase):
|
|
def setUp(self):
|
|
self.c1 = Category.objects.create(
|
|
name="Entertainment", slug="entertainment", url="entertainment")
|
|
self.c2 = Category.objects.create(
|
|
name="It's a test", slug="its-test", url="test")
|
|
self.c3 = Category.objects.create(
|
|
name="Third", slug="third-test", url="third")
|
|
|
|
def test_model_multiple_choice_field(self):
|
|
f = forms.ModelMultipleChoiceField(Category.objects.all())
|
|
self.assertEqual(list(f.choices), [
|
|
(self.c1.pk, 'Entertainment'),
|
|
(self.c2.pk, "It's a test"),
|
|
(self.c3.pk, 'Third')])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(None)
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([])
|
|
self.assertQuerysetEqual(f.clean([self.c1.id]), ["Entertainment"])
|
|
self.assertQuerysetEqual(f.clean([self.c2.id]), ["It's a test"])
|
|
self.assertQuerysetEqual(f.clean([str(self.c1.id)]), ["Entertainment"])
|
|
self.assertQuerysetEqual(f.clean([str(self.c1.id), str(self.c2.id)]),
|
|
["Entertainment", "It's a test"], ordered=False)
|
|
self.assertQuerysetEqual(f.clean([self.c1.id, str(self.c2.id)]),
|
|
["Entertainment", "It's a test"], ordered=False)
|
|
self.assertQuerysetEqual(f.clean((self.c1.id, str(self.c2.id))),
|
|
["Entertainment", "It's a test"], ordered=False)
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(['100'])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean('hello')
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(['fail'])
|
|
|
|
# Add a Category object *after* the ModelMultipleChoiceField has already been
|
|
# instantiated. This proves clean() checks the database during clean() rather
|
|
# than caching it at time of instantiation.
|
|
# Note, we are using an id of 1006 here since tests that run before
|
|
# this may create categories with primary keys up to 6. Use
|
|
# a number that will not conflict.
|
|
c6 = Category.objects.create(id=1006, name='Sixth', url='6th')
|
|
self.assertQuerysetEqual(f.clean([c6.id]), ["Sixth"])
|
|
|
|
# Delete a Category object *after* the ModelMultipleChoiceField has already been
|
|
# instantiated. This proves clean() checks the database during clean() rather
|
|
# than caching it at time of instantiation.
|
|
Category.objects.get(url='6th').delete()
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([c6.id])
|
|
|
|
def test_model_multiple_choice_required_false(self):
|
|
f = forms.ModelMultipleChoiceField(Category.objects.all(), required=False)
|
|
self.assertIsInstance(f.clean([]), EmptyQuerySet)
|
|
self.assertIsInstance(f.clean(()), EmptyQuerySet)
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(['0'])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([str(self.c3.id), '0'])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([str(self.c1.id), '0'])
|
|
|
|
# queryset can be changed after the field is created.
|
|
f.queryset = Category.objects.exclude(name='Third')
|
|
self.assertEqual(list(f.choices), [
|
|
(self.c1.pk, 'Entertainment'),
|
|
(self.c2.pk, "It's a test")])
|
|
self.assertQuerysetEqual(f.clean([self.c2.id]), ["It's a test"])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([self.c3.id])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([str(self.c2.id), str(self.c3.id)])
|
|
|
|
f.queryset = Category.objects.all()
|
|
f.label_from_instance = lambda obj: "multicategory " + str(obj)
|
|
self.assertEqual(list(f.choices), [
|
|
(self.c1.pk, 'multicategory Entertainment'),
|
|
(self.c2.pk, "multicategory It's a test"),
|
|
(self.c3.pk, 'multicategory Third')])
|
|
|
|
def test_model_multiple_choice_number_of_queries(self):
|
|
"""
|
|
Test that ModelMultipleChoiceField does O(1) queries instead of
|
|
O(n) (#10156).
|
|
"""
|
|
persons = [Writer.objects.create(name="Person %s" % i) for i in range(30)]
|
|
|
|
f = forms.ModelMultipleChoiceField(queryset=Writer.objects.all())
|
|
self.assertNumQueries(1, f.clean, [p.pk for p in persons[1:11:2]])
|
|
|
|
def test_model_multiple_choice_run_validators(self):
|
|
"""
|
|
Test that ModelMultipleChoiceField run given validators (#14144).
|
|
"""
|
|
for i in range(30):
|
|
Writer.objects.create(name="Person %s" % i)
|
|
|
|
self._validator_run = False
|
|
|
|
def my_validator(value):
|
|
self._validator_run = True
|
|
|
|
f = forms.ModelMultipleChoiceField(queryset=Writer.objects.all(),
|
|
validators=[my_validator])
|
|
|
|
f.clean([p.pk for p in Writer.objects.all()[8:9]])
|
|
self.assertTrue(self._validator_run)
|
|
|
|
def test_model_multiple_choice_show_hidden_initial(self):
|
|
"""
|
|
Test support of show_hidden_initial by ModelMultipleChoiceField.
|
|
"""
|
|
class WriterForm(forms.Form):
|
|
persons = forms.ModelMultipleChoiceField(show_hidden_initial=True,
|
|
queryset=Writer.objects.all())
|
|
|
|
person1 = Writer.objects.create(name="Person 1")
|
|
person2 = Writer.objects.create(name="Person 2")
|
|
|
|
form = WriterForm(initial={'persons': [person1, person2]},
|
|
data={'initial-persons': [str(person1.pk), str(person2.pk)],
|
|
'persons': [str(person1.pk), str(person2.pk)]})
|
|
self.assertTrue(form.is_valid())
|
|
self.assertFalse(form.has_changed())
|
|
|
|
form = WriterForm(initial={'persons': [person1, person2]},
|
|
data={'initial-persons': [str(person1.pk), str(person2.pk)],
|
|
'persons': [str(person2.pk)]})
|
|
self.assertTrue(form.is_valid())
|
|
self.assertTrue(form.has_changed())
|
|
|
|
|
|
class ModelOneToOneFieldTests(TestCase):
|
|
def test_modelform_onetoonefield(self):
|
|
class ImprovedArticleForm(forms.ModelForm):
|
|
class Meta:
|
|
model = ImprovedArticle
|
|
fields = '__all__'
|
|
|
|
class ImprovedArticleWithParentLinkForm(forms.ModelForm):
|
|
class Meta:
|
|
model = ImprovedArticleWithParentLink
|
|
fields = '__all__'
|
|
|
|
self.assertEqual(list(ImprovedArticleForm.base_fields), ['article'])
|
|
self.assertEqual(list(ImprovedArticleWithParentLinkForm.base_fields), [])
|
|
|
|
def test_modelform_subclassed_model(self):
|
|
class BetterWriterForm(forms.ModelForm):
|
|
class Meta:
|
|
# BetterWriter model is a subclass of Writer with an additional `score` field
|
|
model = BetterWriter
|
|
fields = '__all__'
|
|
|
|
bw = BetterWriter.objects.create(name='Joe Better', score=10)
|
|
self.assertEqual(sorted(model_to_dict(bw)),
|
|
['id', 'name', 'score', 'writer_ptr'])
|
|
|
|
form = BetterWriterForm({'name': 'Some Name', 'score': 12})
|
|
self.assertTrue(form.is_valid())
|
|
bw2 = form.save()
|
|
self.assertEqual(bw2.score, 12)
|
|
|
|
def test_onetoonefield(self):
|
|
class WriterProfileForm(forms.ModelForm):
|
|
class Meta:
|
|
# WriterProfile has a OneToOneField to Writer
|
|
model = WriterProfile
|
|
fields = '__all__'
|
|
|
|
self.w_royko = Writer.objects.create(name='Mike Royko')
|
|
self.w_woodward = Writer.objects.create(name='Bob Woodward')
|
|
|
|
form = WriterProfileForm()
|
|
self.assertHTMLEqual(form.as_p(), '''<p><label for="id_writer">Writer:</label> <select name="writer" id="id_writer">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="%s">Bob Woodward</option>
|
|
<option value="%s">Mike Royko</option>
|
|
</select></p>
|
|
<p><label for="id_age">Age:</label> <input type="number" name="age" id="id_age" min="0" /></p>''' % (self.w_woodward.pk, self.w_royko.pk))
|
|
|
|
data = {
|
|
'writer': six.text_type(self.w_woodward.pk),
|
|
'age': '65',
|
|
}
|
|
form = WriterProfileForm(data)
|
|
instance = form.save()
|
|
self.assertEqual(six.text_type(instance), 'Bob Woodward is 65')
|
|
|
|
form = WriterProfileForm(instance=instance)
|
|
self.assertHTMLEqual(form.as_p(), '''<p><label for="id_writer">Writer:</label> <select name="writer" id="id_writer">
|
|
<option value="">---------</option>
|
|
<option value="%s" selected="selected">Bob Woodward</option>
|
|
<option value="%s">Mike Royko</option>
|
|
</select></p>
|
|
<p><label for="id_age">Age:</label> <input type="number" name="age" value="65" id="id_age" min="0" /></p>''' % (self.w_woodward.pk, self.w_royko.pk))
|
|
|
|
def test_assignment_of_none(self):
|
|
class AuthorForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Author
|
|
fields = ['publication', 'full_name']
|
|
|
|
publication = Publication.objects.create(title="Pravda",
|
|
date_published=datetime.date(1991, 8, 22))
|
|
author = Author.objects.create(publication=publication, full_name='John Doe')
|
|
form = AuthorForm({'publication': '', 'full_name': 'John Doe'}, instance=author)
|
|
self.assertTrue(form.is_valid())
|
|
self.assertEqual(form.cleaned_data['publication'], None)
|
|
author = form.save()
|
|
# author object returned from form still retains original publication object
|
|
# that's why we need to retrieve it from database again
|
|
new_author = Author.objects.get(pk=author.pk)
|
|
self.assertEqual(new_author.publication, None)
|
|
|
|
def test_assignment_of_none_null_false(self):
|
|
class AuthorForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Author1
|
|
fields = ['publication', 'full_name']
|
|
|
|
publication = Publication.objects.create(title="Pravda",
|
|
date_published=datetime.date(1991, 8, 22))
|
|
author = Author1.objects.create(publication=publication, full_name='John Doe')
|
|
form = AuthorForm({'publication': '', 'full_name': 'John Doe'}, instance=author)
|
|
self.assertFalse(form.is_valid())
|
|
|
|
|
|
class FileAndImageFieldTests(TestCase):
|
|
def test_clean_false(self):
|
|
"""
|
|
If the ``clean`` method on a non-required FileField receives False as
|
|
the data (meaning clear the field value), it returns False, regardless
|
|
of the value of ``initial``.
|
|
"""
|
|
f = forms.FileField(required=False)
|
|
self.assertEqual(f.clean(False), False)
|
|
self.assertEqual(f.clean(False, 'initial'), False)
|
|
|
|
def test_clean_false_required(self):
|
|
"""
|
|
If the ``clean`` method on a required FileField receives False as the
|
|
data, it has the same effect as None: initial is returned if non-empty,
|
|
otherwise the validation catches the lack of a required value.
|
|
"""
|
|
f = forms.FileField(required=True)
|
|
self.assertEqual(f.clean(False, 'initial'), 'initial')
|
|
self.assertRaises(ValidationError, f.clean, False)
|
|
|
|
def test_full_clear(self):
|
|
"""
|
|
Integration happy-path test that a model FileField can actually be set
|
|
and cleared via a ModelForm.
|
|
"""
|
|
class DocumentForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Document
|
|
fields = '__all__'
|
|
|
|
form = DocumentForm()
|
|
self.assertTrue('name="myfile"' in six.text_type(form))
|
|
self.assertTrue('myfile-clear' not in six.text_type(form))
|
|
form = DocumentForm(files={'myfile': SimpleUploadedFile('something.txt', b'content')})
|
|
self.assertTrue(form.is_valid())
|
|
doc = form.save(commit=False)
|
|
self.assertEqual(doc.myfile.name, 'something.txt')
|
|
form = DocumentForm(instance=doc)
|
|
self.assertTrue('myfile-clear' in six.text_type(form))
|
|
form = DocumentForm(instance=doc, data={'myfile-clear': 'true'})
|
|
doc = form.save(commit=False)
|
|
self.assertEqual(bool(doc.myfile), False)
|
|
|
|
def test_clear_and_file_contradiction(self):
|
|
"""
|
|
If the user submits a new file upload AND checks the clear checkbox,
|
|
they get a validation error, and the bound redisplay of the form still
|
|
includes the current file and the clear checkbox.
|
|
"""
|
|
class DocumentForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Document
|
|
fields = '__all__'
|
|
|
|
form = DocumentForm(files={'myfile': SimpleUploadedFile('something.txt', b'content')})
|
|
self.assertTrue(form.is_valid())
|
|
doc = form.save(commit=False)
|
|
form = DocumentForm(instance=doc,
|
|
files={'myfile': SimpleUploadedFile('something.txt', b'content')},
|
|
data={'myfile-clear': 'true'})
|
|
self.assertTrue(not form.is_valid())
|
|
self.assertEqual(form.errors['myfile'],
|
|
['Please either submit a file or check the clear checkbox, not both.'])
|
|
rendered = six.text_type(form)
|
|
self.assertTrue('something.txt' in rendered)
|
|
self.assertTrue('myfile-clear' in rendered)
|
|
|
|
def test_file_field_data(self):
|
|
# Test conditions when files is either not given or empty.
|
|
f = TextFileForm(data={'description': 'Assistance'})
|
|
self.assertFalse(f.is_valid())
|
|
f = TextFileForm(data={'description': 'Assistance'}, files={})
|
|
self.assertFalse(f.is_valid())
|
|
|
|
# Upload a file and ensure it all works as expected.
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
files={'file': SimpleUploadedFile('test1.txt', b'hello world')})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(type(f.cleaned_data['file']), SimpleUploadedFile)
|
|
instance = f.save()
|
|
self.assertEqual(instance.file.name, 'tests/test1.txt')
|
|
instance.file.delete()
|
|
|
|
# If the previous file has been deleted, the file name can be reused
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
files={'file': SimpleUploadedFile('test1.txt', b'hello world')})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(type(f.cleaned_data['file']), SimpleUploadedFile)
|
|
instance = f.save()
|
|
self.assertEqual(instance.file.name, 'tests/test1.txt')
|
|
|
|
# Check if the max_length attribute has been inherited from the model.
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
files={'file': SimpleUploadedFile('test-maxlength.txt', b'hello world')})
|
|
self.assertFalse(f.is_valid())
|
|
|
|
# Edit an instance that already has the file defined in the model. This will not
|
|
# save the file again, but leave it exactly as it is.
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
instance=instance)
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(f.cleaned_data['file'].name, 'tests/test1.txt')
|
|
instance = f.save()
|
|
self.assertEqual(instance.file.name, 'tests/test1.txt')
|
|
|
|
# Delete the current file since this is not done by Django.
|
|
instance.file.delete()
|
|
|
|
# Override the file by uploading a new one.
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
files={'file': SimpleUploadedFile('test2.txt', b'hello world')}, instance=instance)
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.file.name, 'tests/test2.txt')
|
|
|
|
# Delete the current file since this is not done by Django.
|
|
instance.file.delete()
|
|
instance.delete()
|
|
|
|
def test_filefield_required_false(self):
|
|
# Test the non-required FileField
|
|
f = TextFileForm(data={'description': 'Assistance'})
|
|
f.fields['file'].required = False
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.file.name, '')
|
|
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
files={'file': SimpleUploadedFile('test3.txt', b'hello world')}, instance=instance)
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.file.name, 'tests/test3.txt')
|
|
|
|
# Instance can be edited w/out re-uploading the file and existing file should be preserved.
|
|
f = TextFileForm(
|
|
data={'description': 'New Description'},
|
|
instance=instance)
|
|
f.fields['file'].required = False
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.description, 'New Description')
|
|
self.assertEqual(instance.file.name, 'tests/test3.txt')
|
|
|
|
# Delete the current file since this is not done by Django.
|
|
instance.file.delete()
|
|
instance.delete()
|
|
|
|
def test_custom_file_field_save(self):
|
|
"""
|
|
Regression for #11149: save_form_data should be called only once
|
|
"""
|
|
class CFFForm(forms.ModelForm):
|
|
class Meta:
|
|
model = CustomFF
|
|
fields = '__all__'
|
|
|
|
# It's enough that the form saves without error -- the custom save routine will
|
|
# generate an AssertionError if it is called more than once during save.
|
|
form = CFFForm(data={'f': None})
|
|
form.save()
|
|
|
|
def test_file_path_field_blank(self):
|
|
"""
|
|
Regression test for #8842: FilePathField(blank=True)
|
|
"""
|
|
class FPForm(forms.ModelForm):
|
|
class Meta:
|
|
model = FilePathModel
|
|
fields = '__all__'
|
|
|
|
form = FPForm()
|
|
names = [p[1] for p in form['path'].field.choices]
|
|
names.sort()
|
|
self.assertEqual(names, ['---------', '__init__.py', 'models.py', 'tests.py'])
|
|
|
|
@skipUnless(test_images, "Pillow not installed")
|
|
def test_image_field(self):
|
|
# ImageField and FileField are nearly identical, but they differ slighty when
|
|
# it comes to validation. This specifically tests that #6302 is fixed for
|
|
# both file fields and image fields.
|
|
|
|
with open(os.path.join(os.path.dirname(upath(__file__)), "test.png"), 'rb') as fp:
|
|
image_data = fp.read()
|
|
with open(os.path.join(os.path.dirname(upath(__file__)), "test2.png"), 'rb') as fp:
|
|
image_data2 = fp.read()
|
|
|
|
f = ImageFileForm(
|
|
data={'description': 'An image'},
|
|
files={'image': SimpleUploadedFile('test.png', image_data)})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(type(f.cleaned_data['image']), SimpleUploadedFile)
|
|
instance = f.save()
|
|
self.assertEqual(instance.image.name, 'tests/test.png')
|
|
self.assertEqual(instance.width, 16)
|
|
self.assertEqual(instance.height, 16)
|
|
|
|
# Delete the current file since this is not done by Django, but don't save
|
|
# because the dimension fields are not null=True.
|
|
instance.image.delete(save=False)
|
|
f = ImageFileForm(
|
|
data={'description': 'An image'},
|
|
files={'image': SimpleUploadedFile('test.png', image_data)})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(type(f.cleaned_data['image']), SimpleUploadedFile)
|
|
instance = f.save()
|
|
self.assertEqual(instance.image.name, 'tests/test.png')
|
|
self.assertEqual(instance.width, 16)
|
|
self.assertEqual(instance.height, 16)
|
|
|
|
# Edit an instance that already has the (required) image defined in the model. This will not
|
|
# save the image again, but leave it exactly as it is.
|
|
|
|
f = ImageFileForm(data={'description': 'Look, it changed'}, instance=instance)
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(f.cleaned_data['image'].name, 'tests/test.png')
|
|
instance = f.save()
|
|
self.assertEqual(instance.image.name, 'tests/test.png')
|
|
self.assertEqual(instance.height, 16)
|
|
self.assertEqual(instance.width, 16)
|
|
|
|
# Delete the current file since this is not done by Django, but don't save
|
|
# because the dimension fields are not null=True.
|
|
instance.image.delete(save=False)
|
|
# Override the file by uploading a new one.
|
|
|
|
f = ImageFileForm(
|
|
data={'description': 'Changed it'},
|
|
files={'image': SimpleUploadedFile('test2.png', image_data2)}, instance=instance)
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.image.name, 'tests/test2.png')
|
|
self.assertEqual(instance.height, 32)
|
|
self.assertEqual(instance.width, 48)
|
|
|
|
# Delete the current file since this is not done by Django, but don't save
|
|
# because the dimension fields are not null=True.
|
|
instance.image.delete(save=False)
|
|
instance.delete()
|
|
|
|
f = ImageFileForm(
|
|
data={'description': 'Changed it'},
|
|
files={'image': SimpleUploadedFile('test2.png', image_data2)})
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.image.name, 'tests/test2.png')
|
|
self.assertEqual(instance.height, 32)
|
|
self.assertEqual(instance.width, 48)
|
|
|
|
# Delete the current file since this is not done by Django, but don't save
|
|
# because the dimension fields are not null=True.
|
|
instance.image.delete(save=False)
|
|
instance.delete()
|
|
|
|
# Test the non-required ImageField
|
|
# Note: In Oracle, we expect a null ImageField to return '' instead of
|
|
# None.
|
|
if connection.features.interprets_empty_strings_as_nulls:
|
|
expected_null_imagefield_repr = ''
|
|
else:
|
|
expected_null_imagefield_repr = None
|
|
|
|
f = OptionalImageFileForm(data={'description': 'Test'})
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.image.name, expected_null_imagefield_repr)
|
|
self.assertEqual(instance.width, None)
|
|
self.assertEqual(instance.height, None)
|
|
|
|
f = OptionalImageFileForm(
|
|
data={'description': 'And a final one'},
|
|
files={'image': SimpleUploadedFile('test3.png', image_data)}, instance=instance)
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.image.name, 'tests/test3.png')
|
|
self.assertEqual(instance.width, 16)
|
|
self.assertEqual(instance.height, 16)
|
|
|
|
# Editing the instance without re-uploading the image should not affect the image or its width/height properties
|
|
f = OptionalImageFileForm(
|
|
data={'description': 'New Description'},
|
|
instance=instance)
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.description, 'New Description')
|
|
self.assertEqual(instance.image.name, 'tests/test3.png')
|
|
self.assertEqual(instance.width, 16)
|
|
self.assertEqual(instance.height, 16)
|
|
|
|
# Delete the current file since this is not done by Django.
|
|
instance.image.delete()
|
|
instance.delete()
|
|
|
|
f = OptionalImageFileForm(
|
|
data={'description': 'And a final one'},
|
|
files={'image': SimpleUploadedFile('test4.png', image_data2)}
|
|
)
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.image.name, 'tests/test4.png')
|
|
self.assertEqual(instance.width, 48)
|
|
self.assertEqual(instance.height, 32)
|
|
instance.delete()
|
|
# Test callable upload_to behavior that's dependent on the value of another field in the model
|
|
f = ImageFileForm(
|
|
data={'description': 'And a final one', 'path': 'foo'},
|
|
files={'image': SimpleUploadedFile('test4.png', image_data)})
|
|
self.assertTrue(f.is_valid())
|
|
instance = f.save()
|
|
self.assertEqual(instance.image.name, 'foo/test4.png')
|
|
instance.delete()
|
|
|
|
|
|
class ModelOtherFieldTests(TestCase):
|
|
def test_big_integer_field(self):
|
|
bif = BigIntForm({'biggie': '-9223372036854775808'})
|
|
self.assertTrue(bif.is_valid())
|
|
bif = BigIntForm({'biggie': '-9223372036854775809'})
|
|
self.assertFalse(bif.is_valid())
|
|
self.assertEqual(bif.errors, {'biggie': ['Ensure this value is greater than or equal to -9223372036854775808.']})
|
|
bif = BigIntForm({'biggie': '9223372036854775807'})
|
|
self.assertTrue(bif.is_valid())
|
|
bif = BigIntForm({'biggie': '9223372036854775808'})
|
|
self.assertFalse(bif.is_valid())
|
|
self.assertEqual(bif.errors, {'biggie': ['Ensure this value is less than or equal to 9223372036854775807.']})
|
|
|
|
def test_comma_separated_integer_field(self):
|
|
class CommaSeparatedIntegerForm(forms.ModelForm):
|
|
class Meta:
|
|
model = CommaSeparatedInteger
|
|
fields = '__all__'
|
|
|
|
f = CommaSeparatedIntegerForm({'field': '1,2,3'})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(f.cleaned_data, {'field': '1,2,3'})
|
|
f = CommaSeparatedIntegerForm({'field': '1a,2'})
|
|
self.assertEqual(f.errors, {'field': ['Enter only digits separated by commas.']})
|
|
f = CommaSeparatedIntegerForm({'field': ',,,,'})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(f.cleaned_data, {'field': ',,,,'})
|
|
f = CommaSeparatedIntegerForm({'field': '1.2'})
|
|
self.assertEqual(f.errors, {'field': ['Enter only digits separated by commas.']})
|
|
f = CommaSeparatedIntegerForm({'field': '1,a,2'})
|
|
self.assertEqual(f.errors, {'field': ['Enter only digits separated by commas.']})
|
|
f = CommaSeparatedIntegerForm({'field': '1,,2'})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(f.cleaned_data, {'field': '1,,2'})
|
|
f = CommaSeparatedIntegerForm({'field': '1'})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(f.cleaned_data, {'field': '1'})
|
|
|
|
def test_url_on_modelform(self):
|
|
"Check basic URL field validation on model forms"
|
|
class HomepageForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Homepage
|
|
fields = '__all__'
|
|
|
|
self.assertFalse(HomepageForm({'url': 'foo'}).is_valid())
|
|
self.assertFalse(HomepageForm({'url': 'http://'}).is_valid())
|
|
self.assertFalse(HomepageForm({'url': 'http://example'}).is_valid())
|
|
self.assertFalse(HomepageForm({'url': 'http://example.'}).is_valid())
|
|
self.assertFalse(HomepageForm({'url': 'http://com.'}).is_valid())
|
|
|
|
self.assertTrue(HomepageForm({'url': 'http://localhost'}).is_valid())
|
|
self.assertTrue(HomepageForm({'url': 'http://example.com'}).is_valid())
|
|
self.assertTrue(HomepageForm({'url': 'http://www.example.com'}).is_valid())
|
|
self.assertTrue(HomepageForm({'url': 'http://www.example.com:8000'}).is_valid())
|
|
self.assertTrue(HomepageForm({'url': 'http://www.example.com/test'}).is_valid())
|
|
self.assertTrue(HomepageForm({'url': 'http://www.example.com:8000/test'}).is_valid())
|
|
self.assertTrue(HomepageForm({'url': 'http://example.com/foo/bar'}).is_valid())
|
|
|
|
def test_http_prefixing(self):
|
|
"""
|
|
If the http:// prefix is omitted on form input, the field adds it again. (Refs #13613)
|
|
"""
|
|
class HomepageForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Homepage
|
|
fields = '__all__'
|
|
|
|
form = HomepageForm({'url': 'example.com'})
|
|
self.assertTrue(form.is_valid())
|
|
self.assertEqual(form.cleaned_data['url'], 'http://example.com')
|
|
|
|
form = HomepageForm({'url': 'example.com/test'})
|
|
self.assertTrue(form.is_valid())
|
|
self.assertEqual(form.cleaned_data['url'], 'http://example.com/test')
|
|
|
|
|
|
class OtherModelFormTests(TestCase):
|
|
def test_media_on_modelform(self):
|
|
# Similar to a regular Form class you can define custom media to be used on
|
|
# the ModelForm.
|
|
f = ModelFormWithMedia()
|
|
self.assertHTMLEqual(six.text_type(f.media), '''<link href="/some/form/css" type="text/css" media="all" rel="stylesheet" />
|
|
<script type="text/javascript" src="/some/form/javascript"></script>''')
|
|
|
|
def test_choices_type(self):
|
|
# Choices on CharField and IntegerField
|
|
f = ArticleForm()
|
|
with self.assertRaises(ValidationError):
|
|
f.fields['status'].clean('42')
|
|
|
|
f = ArticleStatusForm()
|
|
with self.assertRaises(ValidationError):
|
|
f.fields['status'].clean('z')
|
|
|
|
def test_foreignkeys_which_use_to_field(self):
|
|
apple = Inventory.objects.create(barcode=86, name='Apple')
|
|
Inventory.objects.create(barcode=22, name='Pear')
|
|
core = Inventory.objects.create(barcode=87, name='Core', parent=apple)
|
|
|
|
field = forms.ModelChoiceField(Inventory.objects.all(), to_field_name='barcode')
|
|
self.assertEqual(tuple(field.choices), (
|
|
('', '---------'),
|
|
(86, 'Apple'),
|
|
(87, 'Core'),
|
|
(22, 'Pear')))
|
|
|
|
form = InventoryForm(instance=core)
|
|
self.assertHTMLEqual(six.text_type(form['parent']), '''<select name="parent" id="id_parent">
|
|
<option value="">---------</option>
|
|
<option value="86" selected="selected">Apple</option>
|
|
<option value="87">Core</option>
|
|
<option value="22">Pear</option>
|
|
</select>''')
|
|
data = model_to_dict(core)
|
|
data['parent'] = '22'
|
|
form = InventoryForm(data=data, instance=core)
|
|
core = form.save()
|
|
self.assertEqual(core.parent.name, 'Pear')
|
|
|
|
class CategoryForm(forms.ModelForm):
|
|
description = forms.CharField()
|
|
|
|
class Meta:
|
|
model = Category
|
|
fields = ['description', 'url']
|
|
|
|
self.assertEqual(list(CategoryForm.base_fields),
|
|
['description', 'url'])
|
|
|
|
self.assertHTMLEqual(six.text_type(CategoryForm()), '''<tr><th><label for="id_description">Description:</label></th><td><input type="text" name="description" id="id_description" /></td></tr>
|
|
<tr><th><label for="id_url">The URL:</label></th><td><input id="id_url" type="text" name="url" maxlength="40" /></td></tr>''')
|
|
# to_field_name should also work on ModelMultipleChoiceField ##################
|
|
|
|
field = forms.ModelMultipleChoiceField(Inventory.objects.all(), to_field_name='barcode')
|
|
self.assertEqual(tuple(field.choices), ((86, 'Apple'), (87, 'Core'), (22, 'Pear')))
|
|
self.assertQuerysetEqual(field.clean([86]), ['Apple'])
|
|
|
|
form = SelectInventoryForm({'items': [87, 22]})
|
|
self.assertTrue(form.is_valid())
|
|
self.assertEqual(len(form.cleaned_data), 1)
|
|
self.assertQuerysetEqual(form.cleaned_data['items'], ['Core', 'Pear'])
|
|
|
|
def test_model_field_that_returns_none_to_exclude_itself_with_explicit_fields(self):
|
|
self.assertEqual(list(CustomFieldForExclusionForm.base_fields),
|
|
['name'])
|
|
self.assertHTMLEqual(six.text_type(CustomFieldForExclusionForm()),
|
|
'''<tr><th><label for="id_name">Name:</label></th><td><input id="id_name" type="text" name="name" maxlength="10" /></td></tr>''')
|
|
|
|
def test_iterable_model_m2m(self):
|
|
class ColourfulItemForm(forms.ModelForm):
|
|
class Meta:
|
|
model = ColourfulItem
|
|
fields = '__all__'
|
|
|
|
colour = Colour.objects.create(name='Blue')
|
|
form = ColourfulItemForm()
|
|
self.maxDiff = 1024
|
|
self.assertHTMLEqual(
|
|
form.as_p(),
|
|
"""<p><label for="id_name">Name:</label> <input id="id_name" type="text" name="name" maxlength="50" /></p>
|
|
<p><label for="id_colours">Colours:</label> <select multiple="multiple" name="colours" id="id_colours">
|
|
<option value="%(blue_pk)s">Blue</option>
|
|
</select></p>"""
|
|
% {'blue_pk': colour.pk})
|
|
|
|
|
|
class ModelFormCustomErrorTests(TestCase):
|
|
def test_custom_error_messages(self):
|
|
data = {'name1': '@#$!!**@#$', 'name2': '@#$!!**@#$'}
|
|
errors = CustomErrorMessageForm(data).errors
|
|
self.assertHTMLEqual(
|
|
str(errors['name1']),
|
|
'<ul class="errorlist"><li>Form custom error message.</li></ul>'
|
|
)
|
|
self.assertHTMLEqual(
|
|
str(errors['name2']),
|
|
'<ul class="errorlist"><li>Model custom error message.</li></ul>'
|
|
)
|
|
|
|
def test_model_clean_error_messages(self):
|
|
data = {'name1': 'FORBIDDEN_VALUE', 'name2': 'ABC'}
|
|
form = CustomErrorMessageForm(data)
|
|
self.assertFalse(form.is_valid())
|
|
self.assertHTMLEqual(
|
|
str(form.errors['name1']),
|
|
'<ul class="errorlist"><li>Model.clean() error messages.</li></ul>'
|
|
)
|
|
data = {'name1': 'GLOBAL_ERROR', 'name2': 'ABC'}
|
|
form = CustomErrorMessageForm(data)
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(form.errors['__all__'], ['Global error message.'])
|
|
|
|
|
|
class CustomCleanTests(TestCase):
|
|
def test_override_clean(self):
|
|
"""
|
|
Regression for #12596: Calling super from ModelForm.clean() should be
|
|
optional.
|
|
"""
|
|
class TripleFormWithCleanOverride(forms.ModelForm):
|
|
class Meta:
|
|
model = Triple
|
|
fields = '__all__'
|
|
|
|
def clean(self):
|
|
if not self.cleaned_data['left'] == self.cleaned_data['right']:
|
|
raise forms.ValidationError('Left and right should be equal')
|
|
return self.cleaned_data
|
|
|
|
form = TripleFormWithCleanOverride({'left': 1, 'middle': 2, 'right': 1})
|
|
self.assertTrue(form.is_valid())
|
|
# form.instance.left will be None if the instance was not constructed
|
|
# by form.full_clean().
|
|
self.assertEqual(form.instance.left, 1)
|
|
|
|
def test_model_form_clean_applies_to_model(self):
|
|
"""
|
|
Regression test for #12960. Make sure the cleaned_data returned from
|
|
ModelForm.clean() is applied to the model instance.
|
|
"""
|
|
class CategoryForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Category
|
|
fields = '__all__'
|
|
|
|
def clean(self):
|
|
self.cleaned_data['name'] = self.cleaned_data['name'].upper()
|
|
return self.cleaned_data
|
|
|
|
data = {'name': 'Test', 'slug': 'test', 'url': '/test'}
|
|
form = CategoryForm(data)
|
|
category = form.save()
|
|
self.assertEqual(category.name, 'TEST')
|
|
|
|
|
|
class ModelFormInheritanceTests(TestCase):
|
|
def test_form_subclass_inheritance(self):
|
|
class Form(forms.Form):
|
|
age = forms.IntegerField()
|
|
|
|
class ModelForm(forms.ModelForm, Form):
|
|
class Meta:
|
|
model = Writer
|
|
fields = '__all__'
|
|
|
|
self.assertEqual(list(ModelForm().fields.keys()), ['name', 'age'])
|
|
|
|
def test_field_shadowing(self):
|
|
class ModelForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Writer
|
|
fields = '__all__'
|
|
|
|
class Mixin(object):
|
|
age = None
|
|
|
|
class Form(forms.Form):
|
|
age = forms.IntegerField()
|
|
|
|
class Form2(forms.Form):
|
|
foo = forms.IntegerField()
|
|
|
|
self.assertEqual(list(ModelForm().fields.keys()), ['name'])
|
|
self.assertEqual(list(type(str('NewForm'), (Mixin, Form), {})().fields.keys()), [])
|
|
self.assertEqual(list(type(str('NewForm'), (Form2, Mixin, Form), {})().fields.keys()), ['foo'])
|
|
self.assertEqual(list(type(str('NewForm'), (Mixin, ModelForm, Form), {})().fields.keys()), ['name'])
|
|
self.assertEqual(list(type(str('NewForm'), (ModelForm, Mixin, Form), {})().fields.keys()), ['name'])
|
|
self.assertEqual(list(type(str('NewForm'), (ModelForm, Form, Mixin), {})().fields.keys()), ['name', 'age'])
|
|
self.assertEqual(list(type(str('NewForm'), (ModelForm, Form), {'age': None})().fields.keys()), ['name'])
|
|
|
|
|
|
class StumpJokeForm(forms.ModelForm):
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class Meta:
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model = StumpJoke
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fields = '__all__'
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class LimitChoicesToTest(TestCase):
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"""
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Tests the functionality of ``limit_choices_to``.
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"""
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def setUp(self):
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self.threepwood = Character.objects.create(
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username='threepwood',
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last_action=datetime.datetime.today() + datetime.timedelta(days=1),
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)
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self.marley = Character.objects.create(
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username='marley',
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last_action=datetime.datetime.today() - datetime.timedelta(days=1),
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)
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def test_limit_choices_to_callable_for_fk_rel(self):
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"""
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A ForeignKey relation can use ``limit_choices_to`` as a callable, re #2554.
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"""
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stumpjokeform = StumpJokeForm()
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self.assertIn(self.threepwood, stumpjokeform.fields['most_recently_fooled'].queryset)
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self.assertNotIn(self.marley, stumpjokeform.fields['most_recently_fooled'].queryset)
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|
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def test_limit_choices_to_callable_for_m2m_rel(self):
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"""
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|
A ManyToMany relation can use ``limit_choices_to`` as a callable, re #2554.
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"""
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stumpjokeform = StumpJokeForm()
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self.assertIn(self.threepwood, stumpjokeform.fields['has_fooled_today'].queryset)
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self.assertNotIn(self.marley, stumpjokeform.fields['has_fooled_today'].queryset)
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|
|
|
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class FormFieldCallbackTests(TestCase):
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|
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def test_baseform_with_widgets_in_meta(self):
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"""Regression for #13095: Using base forms with widgets defined in Meta should not raise errors."""
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widget = forms.Textarea()
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|
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class BaseForm(forms.ModelForm):
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class Meta:
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model = Person
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|
widgets = {'name': widget}
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fields = "__all__"
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|
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Form = modelform_factory(Person, form=BaseForm)
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self.assertTrue(Form.base_fields['name'].widget is widget)
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|
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def test_factory_with_widget_argument(self):
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|
""" Regression for #15315: modelform_factory should accept widgets
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|
argument
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|
"""
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|
widget = forms.Textarea()
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|
|
|
# Without a widget should not set the widget to textarea
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|
Form = modelform_factory(Person, fields="__all__")
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self.assertNotEqual(Form.base_fields['name'].widget.__class__, forms.Textarea)
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|
|
|
# With a widget should not set the widget to textarea
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Form = modelform_factory(Person, fields="__all__", widgets={'name': widget})
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self.assertEqual(Form.base_fields['name'].widget.__class__, forms.Textarea)
|
|
|
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def test_modelform_factory_without_fields(self):
|
|
""" Regression for #19733 """
|
|
message = (
|
|
"Calling modelform_factory without defining 'fields' or 'exclude' "
|
|
"explicitly is prohibited."
|
|
)
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|
with self.assertRaisesMessage(ImproperlyConfigured, message):
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|
modelform_factory(Person)
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|
|
|
def test_modelform_factory_with_all_fields(self):
|
|
""" Regression for #19733 """
|
|
form = modelform_factory(Person, fields="__all__")
|
|
self.assertEqual(list(form.base_fields), ["name"])
|
|
|
|
def test_custom_callback(self):
|
|
"""Test that a custom formfield_callback is used if provided"""
|
|
|
|
callback_args = []
|
|
|
|
def callback(db_field, **kwargs):
|
|
callback_args.append((db_field, kwargs))
|
|
return db_field.formfield(**kwargs)
|
|
|
|
widget = forms.Textarea()
|
|
|
|
class BaseForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Person
|
|
widgets = {'name': widget}
|
|
fields = "__all__"
|
|
|
|
modelform_factory(Person, form=BaseForm, formfield_callback=callback)
|
|
id_field, name_field = Person._meta.fields
|
|
|
|
self.assertEqual(callback_args,
|
|
[(id_field, {}), (name_field, {'widget': widget})])
|
|
|
|
def test_bad_callback(self):
|
|
# A bad callback provided by user still gives an error
|
|
self.assertRaises(TypeError, modelform_factory, Person, fields="__all__",
|
|
formfield_callback='not a function or callable')
|
|
|
|
|
|
class LocalizedModelFormTest(TestCase):
|
|
def test_model_form_applies_localize_to_some_fields(self):
|
|
class PartiallyLocalizedTripleForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Triple
|
|
localized_fields = ('left', 'right',)
|
|
fields = '__all__'
|
|
|
|
f = PartiallyLocalizedTripleForm({'left': 10, 'middle': 10, 'right': 10})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertTrue(f.fields['left'].localize)
|
|
self.assertFalse(f.fields['middle'].localize)
|
|
self.assertTrue(f.fields['right'].localize)
|
|
|
|
def test_model_form_applies_localize_to_all_fields(self):
|
|
class FullyLocalizedTripleForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Triple
|
|
localized_fields = '__all__'
|
|
fields = '__all__'
|
|
|
|
f = FullyLocalizedTripleForm({'left': 10, 'middle': 10, 'right': 10})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertTrue(f.fields['left'].localize)
|
|
self.assertTrue(f.fields['middle'].localize)
|
|
self.assertTrue(f.fields['right'].localize)
|
|
|
|
def test_model_form_refuses_arbitrary_string(self):
|
|
with self.assertRaises(TypeError):
|
|
class BrokenLocalizedTripleForm(forms.ModelForm):
|
|
class Meta:
|
|
model = Triple
|
|
localized_fields = "foo"
|
|
|
|
|
|
class CustomMetaclass(ModelFormMetaclass):
|
|
def __new__(cls, name, bases, attrs):
|
|
new = super(CustomMetaclass, cls).__new__(cls, name, bases, attrs)
|
|
new.base_fields = {}
|
|
return new
|
|
|
|
|
|
class CustomMetaclassForm(six.with_metaclass(CustomMetaclass, forms.ModelForm)):
|
|
pass
|
|
|
|
|
|
class CustomMetaclassTestCase(TestCase):
|
|
def test_modelform_factory_metaclass(self):
|
|
new_cls = modelform_factory(Person, fields="__all__", form=CustomMetaclassForm)
|
|
self.assertEqual(new_cls.base_fields, {})
|