mirror of
https://github.com/django/django.git
synced 2024-12-27 11:35:53 +00:00
4a103086d5
Thanks Vinay Sajip for the support of his django3 branch and Jannis Leidel for the review.
1486 lines
64 KiB
Python
1486 lines
64 KiB
Python
from __future__ import absolute_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 django import forms
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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.forms.models import model_to_dict
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from django.utils.unittest import skipUnless
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from django.test import TestCase
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from .models import (Article, ArticleStatus, BetterWriter, BigInt, Book,
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Category, CommaSeparatedInteger, CustomFieldForExclusionModel, DerivedBook,
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DerivedPost, ExplicitPK, FlexibleDatePost, ImprovedArticle,
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ImprovedArticleWithParentLink, Inventory, PhoneNumber, Post, Price,
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Product, TextFile, Writer, WriterProfile, test_images)
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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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class OptionalImageFileForm(forms.ModelForm):
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class Meta:
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model = OptionalImageFile
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class ProductForm(forms.ModelForm):
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class Meta:
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model = Product
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class PriceForm(forms.ModelForm):
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class Meta:
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model = Price
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class BookForm(forms.ModelForm):
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class Meta:
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model = Book
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class DerivedBookForm(forms.ModelForm):
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class Meta:
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model = DerivedBook
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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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class DerivedPostForm(forms.ModelForm):
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class Meta:
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model = DerivedPost
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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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class FlexDatePostForm(forms.ModelForm):
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class Meta:
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model = FlexibleDatePost
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class BaseCategoryForm(forms.ModelForm):
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class Meta:
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model = Category
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class ArticleForm(forms.ModelForm):
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class Meta:
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model = Article
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class ArticleForm(forms.ModelForm):
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class Meta:
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model = Article
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class PartialArticleForm(forms.ModelForm):
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class Meta:
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model = Article
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fields = ('headline','pub_date')
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class RoykoForm(forms.ModelForm):
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class Meta:
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model = Writer
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class TestArticleForm(forms.ModelForm):
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class Meta:
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model = Article
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class PartialArticleFormWithSlug(forms.ModelForm):
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class Meta:
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model = Article
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fields=('headline', 'slug', 'pub_date')
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class ArticleStatusForm(forms.ModelForm):
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class Meta:
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model = ArticleStatus
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class InventoryForm(forms.ModelForm):
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class Meta:
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model = Inventory
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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 ShortCategory(forms.ModelForm):
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name = forms.CharField(max_length=5)
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slug = forms.CharField(max_length=5)
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url = forms.CharField(max_length=3)
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class ImprovedArticleForm(forms.ModelForm):
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class Meta:
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model = ImprovedArticle
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class ImprovedArticleWithParentLinkForm(forms.ModelForm):
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class Meta:
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model = ImprovedArticleWithParentLink
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class BetterWriterForm(forms.ModelForm):
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class Meta:
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model = BetterWriter
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class WriterProfileForm(forms.ModelForm):
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class Meta:
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model = WriterProfile
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class PhoneNumberForm(forms.ModelForm):
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class Meta:
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model = PhoneNumber
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class TextFileForm(forms.ModelForm):
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class Meta:
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model = TextFile
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class BigIntForm(forms.ModelForm):
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class Meta:
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model = BigInt
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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 = PhoneNumber
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class CommaSeparatedIntegerForm(forms.ModelForm):
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class Meta:
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model = CommaSeparatedInteger
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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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class ModelFormBaseTest(TestCase):
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def test_base_form(self):
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self.assertEqual(BaseCategoryForm.base_fields.keys(),
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['name', 'slug', 'url'])
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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(ExtraFields.base_fields.keys(),
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['name', 'slug', 'url', 'some_extra_field'])
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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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self.assertTrue(isinstance(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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wf = WriterForm({'name': 'Richard Lockridge'})
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self.assertTrue(wf.is_valid())
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def test_limit_fields(self):
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class LimitFields(forms.ModelForm):
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class Meta:
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model = Category
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fields = ['url']
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self.assertEqual(LimitFields.base_fields.keys(),
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['url'])
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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(ExcludeFields.base_fields.keys(),
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['name', 'slug'])
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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(ConfusedForm.base_fields.keys(),
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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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# 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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MixModelForm.base_fields.keys(),
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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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ArticleForm.base_fields.keys(),
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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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BadForm.base_fields.keys(),
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['headline', 'slug', 'pub_date', 'writer', 'article', 'categories', 'status']
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)
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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(SubCategoryForm.base_fields.keys(),
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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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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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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(OrderFields.base_fields.keys(),
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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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def test_orderfields2_form(self):
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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(OrderFields2.base_fields.keys(),
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['slug', 'name'])
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class TestWidgetForm(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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class TestWidgets(TestCase):
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def test_base_widgets(self):
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frm = TestWidgetForm()
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self.assertHTMLEqual(
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str(frm['name']),
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'<textarea id="id_name" rows="10" cols="40" name="name"></textarea>'
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)
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self.assertHTMLEqual(
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str(frm['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(frm['slug']),
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'<input id="id_slug" type="text" name="slug" maxlength="20" />'
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)
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class IncompleteCategoryFormWithFields(forms.ModelForm):
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"""
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A form that replaces the model's url field with a custom one. This should
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prevent the model field's validation from being called.
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"""
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url = forms.CharField(required=False)
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class Meta:
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fields = ('name', 'slug')
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model = Category
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class IncompleteCategoryFormWithExclude(forms.ModelForm):
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"""
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A form that replaces the model's url field with a custom one. This should
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prevent the model field's validation from being called.
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"""
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url = forms.CharField(required=False)
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class Meta:
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exclude = ['url']
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model = Category
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class ValidationTest(TestCase):
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def test_validates_with_replaced_field_not_specified(self):
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form = IncompleteCategoryFormWithFields(data={'name': 'some name', 'slug': 'some-slug'})
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assert form.is_valid()
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def test_validates_with_replaced_field_excluded(self):
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form = IncompleteCategoryFormWithExclude(data={'name': 'some name', 'slug': 'some-slug'})
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assert form.is_valid()
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def test_notrequired_overrides_notblank(self):
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form = CustomWriterForm({})
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assert form.is_valid()
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# unique/unique_together validation
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class UniqueTest(TestCase):
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def setUp(self):
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self.writer = Writer.objects.create(name='Mike Royko')
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def test_simple_unique(self):
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form = ProductForm({'slug': 'teddy-bear-blue'})
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self.assertTrue(form.is_valid())
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obj = form.save()
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form = ProductForm({'slug': 'teddy-bear-blue'})
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['slug'], ['Product with this Slug already exists.'])
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form = ProductForm({'slug': 'teddy-bear-blue'}, instance=obj)
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self.assertTrue(form.is_valid())
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def test_unique_together(self):
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"""ModelForm test of unique_together constraint"""
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form = PriceForm({'price': '6.00', 'quantity': '1'})
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self.assertTrue(form.is_valid())
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form.save()
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form = PriceForm({'price': '6.00', 'quantity': '1'})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['__all__'], ['Price with this Price and Quantity already exists.'])
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def test_unique_null(self):
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title = 'I May Be Wrong But I Doubt It'
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form = BookForm({'title': title, 'author': self.writer.pk})
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self.assertTrue(form.is_valid())
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form.save()
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form = BookForm({'title': title, 'author': self.writer.pk})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['__all__'], ['Book with this Title and Author already exists.'])
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form = BookForm({'title': title})
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self.assertTrue(form.is_valid())
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form.save()
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form = BookForm({'title': title})
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self.assertTrue(form.is_valid())
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def test_inherited_unique(self):
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title = 'Boss'
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Book.objects.create(title=title, author=self.writer, special_id=1)
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form = DerivedBookForm({'title': 'Other', 'author': self.writer.pk, 'special_id': '1', 'isbn': '12345'})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['special_id'], ['Book with this Special id already exists.'])
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def test_inherited_unique_together(self):
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title = 'Boss'
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form = BookForm({'title': title, 'author': self.writer.pk})
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self.assertTrue(form.is_valid())
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form.save()
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form = DerivedBookForm({'title': title, 'author': self.writer.pk, 'isbn': '12345'})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['__all__'], ['Book with this Title and Author already exists.'])
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def test_abstract_inherited_unique(self):
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title = 'Boss'
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isbn = '12345'
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dbook = DerivedBook.objects.create(title=title, author=self.writer, isbn=isbn)
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form = DerivedBookForm({'title': 'Other', 'author': self.writer.pk, 'isbn': isbn})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['isbn'], ['Derived book with this Isbn already exists.'])
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def test_abstract_inherited_unique_together(self):
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title = 'Boss'
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isbn = '12345'
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dbook = DerivedBook.objects.create(title=title, author=self.writer, isbn=isbn)
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form = DerivedBookForm({
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'title': 'Other',
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'author': self.writer.pk,
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'isbn': '9876',
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'suffix1': '0',
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'suffix2': '0'
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})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['__all__'],
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['Derived book with this Suffix1 and Suffix2 already exists.'])
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def test_explicitpk_unspecified(self):
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"""Test for primary_key being in the form and failing validation."""
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form = ExplicitPKForm({'key': '', 'desc': '' })
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self.assertFalse(form.is_valid())
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def test_explicitpk_unique(self):
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"""Ensure keys and blank character strings are tested for uniqueness."""
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form = ExplicitPKForm({'key': 'key1', 'desc': ''})
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self.assertTrue(form.is_valid())
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form.save()
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form = ExplicitPKForm({'key': 'key1', 'desc': ''})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 3)
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self.assertEqual(form.errors['__all__'], ['Explicit pk with this Key and Desc already exists.'])
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self.assertEqual(form.errors['desc'], ['Explicit pk with this Desc already exists.'])
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self.assertEqual(form.errors['key'], ['Explicit pk with this Key already exists.'])
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def test_unique_for_date(self):
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p = Post.objects.create(title="Django 1.0 is released",
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slug="Django 1.0", subtitle="Finally", posted=datetime.date(2008, 9, 3))
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form = PostForm({'title': "Django 1.0 is released", 'posted': '2008-09-03'})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['title'], ['Title must be unique for Posted date.'])
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form = PostForm({'title': "Work on Django 1.1 begins", 'posted': '2008-09-03'})
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self.assertTrue(form.is_valid())
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form = PostForm({'title': "Django 1.0 is released", 'posted': '2008-09-04'})
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self.assertTrue(form.is_valid())
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form = PostForm({'slug': "Django 1.0", 'posted': '2008-01-01'})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['slug'], ['Slug must be unique for Posted year.'])
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form = PostForm({'subtitle': "Finally", 'posted': '2008-09-30'})
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self.assertFalse(form.is_valid())
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self.assertEqual(form.errors['subtitle'], ['Subtitle must be unique for Posted month.'])
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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_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):
|
|
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())
|
|
|
|
class OldFormForXTests(TestCase):
|
|
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_with_data(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(c1, Category.objects.all()[0])
|
|
self.assertEqual(c1.name, "Entertainment")
|
|
self.assertEqual(Category.objects.count(), 1)
|
|
|
|
f = BaseCategoryForm({'name': "It's a test",
|
|
'slug': 'its-test',
|
|
'url': 'test'})
|
|
self.assertTrue(f.is_valid())
|
|
self.assertEqual(f.cleaned_data['name'], "It's a test")
|
|
self.assertEqual(f.cleaned_data['slug'], 'its-test')
|
|
self.assertEqual(f.cleaned_data['url'], 'test')
|
|
c2 = f.save()
|
|
# Testing wether the same object is returned from the
|
|
# ORM... not the fastest way...
|
|
self.assertEqual(c2, Category.objects.get(pk=c2.pk))
|
|
self.assertEqual(c2.name, "It's a test")
|
|
self.assertEqual(Category.objects.count(), 2)
|
|
|
|
# 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.assertEqual(f.is_valid(), True)
|
|
self.assertEqual(f.cleaned_data['url'], 'third')
|
|
self.assertEqual(f.cleaned_data['name'], 'Third test')
|
|
self.assertEqual(f.cleaned_data['slug'], 'third-test')
|
|
c3 = f.save(commit=False)
|
|
self.assertEqual(c3.name, "Third test")
|
|
self.assertEqual(Category.objects.count(), 2)
|
|
c3.save()
|
|
self.assertEqual(Category.objects.count(), 3)
|
|
|
|
# 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."])
|
|
with self.assertRaises(AttributeError):
|
|
f.cleaned_data
|
|
with self.assertRaises(ValueError):
|
|
f.save()
|
|
f = BaseCategoryForm({'name': '', 'slug': '', 'url': 'foo'})
|
|
with self.assertRaises(ValueError):
|
|
f.save()
|
|
|
|
# Create a couple of Writers.
|
|
w_royko = Writer(name='Mike Royko')
|
|
w_royko.save()
|
|
w_woodward = Writer(name='Bob Woodward')
|
|
w_woodward.save()
|
|
# 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(unicode(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><br /><span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></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>''' % (w_woodward.pk, w_royko.pk, c1.pk, c2.pk, c3.pk))
|
|
|
|
# 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!
|
|
f = PartialArticleForm(auto_id=False)
|
|
self.assertHTMLEqual(unicode(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>''')
|
|
|
|
# When the ModelForm is passed an instance, that instance's current values are
|
|
# inserted as 'initial' data in each Field.
|
|
w = Writer.objects.get(name='Mike Royko')
|
|
f = RoykoForm(auto_id=False, instance=w)
|
|
self.assertHTMLEqual(unicode(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(
|
|
headline='Test article',
|
|
slug='test-article',
|
|
pub_date=datetime.date(1988, 1, 4),
|
|
writer=w,
|
|
article='Hello.'
|
|
)
|
|
art.save()
|
|
art_id_1 = art.id
|
|
self.assertEqual(art_id_1 is not None, True)
|
|
f = TestArticleForm(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> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></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>''' % (w_woodward.pk, w_royko.pk, c1.pk, c2.pk, c3.pk))
|
|
f = TestArticleForm({
|
|
'headline': 'Test headline',
|
|
'slug': 'test-headline',
|
|
'pub_date': '1984-02-06',
|
|
'writer': unicode(w_royko.pk),
|
|
'article': 'Hello.'
|
|
}, instance=art)
|
|
self.assertEqual(f.errors, {})
|
|
self.assertEqual(f.is_valid(), True)
|
|
test_art = f.save()
|
|
self.assertEqual(test_art.id == art_id_1, True)
|
|
test_art = Article.objects.get(id=art_id_1)
|
|
self.assertEqual(test_art.headline, 'Test headline')
|
|
# You can create a form over a subset of the available fields
|
|
# by specifying a 'fields' argument to form_for_instance.
|
|
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.assertEqual(f.is_valid(), True)
|
|
new_art = f.save()
|
|
self.assertEqual(new_art.id == art_id_1, True)
|
|
new_art = Article.objects.get(id=art_id_1)
|
|
self.assertEqual(new_art.headline, 'New headline')
|
|
|
|
# Add some categories and test the many-to-many form output.
|
|
self.assertEqual(map(lambda o: o.name, new_art.categories.all()), [])
|
|
new_art.categories.add(Category.objects.get(name='Entertainment'))
|
|
self.assertEqual(map(lambda o: o.name, new_art.categories.all()), ["Entertainment"])
|
|
f = TestArticleForm(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> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></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>''' % (w_woodward.pk, w_royko.pk, c1.pk, c2.pk, c3.pk))
|
|
|
|
# Initial values can be provided for model forms
|
|
f = TestArticleForm(
|
|
auto_id=False,
|
|
initial={
|
|
'headline': 'Your headline here',
|
|
'categories': [str(c1.id), str(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> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></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>''' % (w_woodward.pk, w_royko.pk, c1.pk, c2.pk, c3.pk))
|
|
|
|
f = TestArticleForm({
|
|
'headline': 'New headline',
|
|
'slug': 'new-headline',
|
|
'pub_date': '1988-01-04',
|
|
'writer': unicode(w_royko.pk),
|
|
'article': 'Hello.',
|
|
'categories': [unicode(c1.id), unicode(c2.id)]
|
|
}, instance=new_art)
|
|
new_art = f.save()
|
|
self.assertEqual(new_art.id == art_id_1, True)
|
|
new_art = Article.objects.get(id=art_id_1)
|
|
self.assertEqual(map(lambda o: o.name, new_art.categories.order_by('name')),
|
|
["Entertainment", "It's a test"])
|
|
|
|
# Now, submit form data with no categories. This deletes the existing categories.
|
|
f = TestArticleForm({'headline': 'New headline', 'slug': 'new-headline', 'pub_date': '1988-01-04',
|
|
'writer': unicode(w_royko.pk), 'article': 'Hello.'}, instance=new_art)
|
|
new_art = f.save()
|
|
self.assertEqual(new_art.id == art_id_1, True)
|
|
new_art = Article.objects.get(id=art_id_1)
|
|
self.assertEqual(map(lambda o: o.name, new_art.categories.all()), [])
|
|
|
|
# Create a new article, with categories, via the form.
|
|
f = ArticleForm({'headline': 'The walrus was Paul', 'slug': 'walrus-was-paul', 'pub_date': '1967-11-01',
|
|
'writer': unicode(w_royko.pk), 'article': 'Test.', 'categories': [unicode(c1.id), unicode(c2.id)]})
|
|
new_art = f.save()
|
|
art_id_2 = new_art.id
|
|
self.assertEqual(art_id_2 not in (None, art_id_1), True)
|
|
new_art = Article.objects.get(id=art_id_2)
|
|
self.assertEqual(map(lambda o: o.name, new_art.categories.order_by('name')), ["Entertainment", "It's a test"])
|
|
|
|
# Create a new article, with no categories, via the form.
|
|
f = ArticleForm({'headline': 'The walrus was Paul', 'slug': 'walrus-was-paul', 'pub_date': '1967-11-01',
|
|
'writer': unicode(w_royko.pk), 'article': 'Test.'})
|
|
new_art = f.save()
|
|
art_id_3 = new_art.id
|
|
self.assertEqual(art_id_3 not in (None, art_id_1, art_id_2), True)
|
|
new_art = Article.objects.get(id=art_id_3)
|
|
self.assertEqual(map(lambda o: o.name, 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.
|
|
f = ArticleForm({'headline': 'The walrus was Paul', 'slug': 'walrus-was-paul', 'pub_date': '1967-11-01',
|
|
'writer': unicode(w_royko.pk), 'article': 'Test.', 'categories': [unicode(c1.id), unicode(c2.id)]})
|
|
new_art = f.save(commit=False)
|
|
|
|
# Manually save the instance
|
|
new_art.save()
|
|
art_id_4 = new_art.id
|
|
self.assertEqual(art_id_4 not in (None, art_id_1, art_id_2, art_id_3), True)
|
|
|
|
# The instance doesn't have m2m data yet
|
|
new_art = Article.objects.get(id=art_id_4)
|
|
self.assertEqual(map(lambda o: o.name, new_art.categories.all()), [])
|
|
|
|
# Save the m2m data on the form
|
|
f.save_m2m()
|
|
self.assertEqual(map(lambda o: o.name, new_art.categories.order_by('name')), ["Entertainment", "It's a test"])
|
|
|
|
# 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.
|
|
cat = Category.objects.get(name='Third test')
|
|
self.assertEqual(cat.name, "Third test")
|
|
self.assertEqual(cat.id == c3.id, True)
|
|
form = ShortCategory({'name': 'Third', 'slug': 'third', 'url': '3rd'}, instance=cat)
|
|
self.assertEqual(form.save().name, 'Third')
|
|
self.assertEqual(Category.objects.get(id=c3.id).name, 'Third')
|
|
|
|
# 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.
|
|
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</option>
|
|
</select> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></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>''' % (w_woodward.pk, w_royko.pk, c1.pk, c2.pk, c3.pk))
|
|
|
|
c4 = Category.objects.create(name='Fourth', url='4th')
|
|
self.assertEqual(c4.name, 'Fourth')
|
|
w_bernstein = Writer.objects.create(name='Carl Bernstein')
|
|
self.assertEqual(w_bernstein.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</option>
|
|
<option value="%s">Fourth</option>
|
|
</select> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></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>''' % (w_woodward.pk, w_bernstein.pk, w_royko.pk, c1.pk, c2.pk, c3.pk, c4.pk))
|
|
|
|
# ModelChoiceField ############################################################
|
|
|
|
f = forms.ModelChoiceField(Category.objects.all())
|
|
self.assertEqual(list(f.choices), [
|
|
('', '---------'),
|
|
(c1.pk, 'Entertainment'),
|
|
(c2.pk, "It's a test"),
|
|
(c3.pk, 'Third'),
|
|
(c4.pk, 'Fourth')])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean('')
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(None)
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(0)
|
|
self.assertEqual(f.clean(c3.id).name, 'Third')
|
|
self.assertEqual(f.clean(c2.id).name, "It's a test")
|
|
|
|
# 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.
|
|
c5 = Category.objects.create(name='Fifth', url='5th')
|
|
self.assertEqual(c5.name, 'Fifth')
|
|
self.assertEqual(f.clean(c5.id).name, 'Fifth')
|
|
|
|
# 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='5th').delete()
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(c5.id)
|
|
|
|
f = forms.ModelChoiceField(Category.objects.filter(pk=c1.id), required=False)
|
|
self.assertEqual(f.clean(''), None)
|
|
f.clean('')
|
|
self.assertEqual(f.clean(str(c1.id)).name, "Entertainment")
|
|
with self.assertRaises(ValidationError):
|
|
f.clean('100')
|
|
|
|
# queryset can be changed after the field is created.
|
|
f.queryset = Category.objects.exclude(name='Fourth')
|
|
self.assertEqual(list(f.choices), [
|
|
('', '---------'),
|
|
(c1.pk, 'Entertainment'),
|
|
(c2.pk, "It's a test"),
|
|
(c3.pk, 'Third')])
|
|
self.assertEqual(f.clean(c3.id).name, 'Third')
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(c4.id)
|
|
|
|
# check that we can safely iterate choices repeatedly
|
|
gen_one = list(f.choices)
|
|
gen_two = f.choices
|
|
self.assertEqual(gen_one[2], (c2.pk, "It's a test"))
|
|
self.assertEqual(list(gen_two), [
|
|
('', '---------'),
|
|
(c1.pk, 'Entertainment'),
|
|
(c2.pk, "It's a test"),
|
|
(c3.pk, 'Third')])
|
|
|
|
# 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), [
|
|
('', '---------'),
|
|
(c1.pk, 'category Entertainment'),
|
|
(c2.pk, "category It's a test"),
|
|
(c3.pk, 'category Third'),
|
|
(c4.pk, 'category Fourth')])
|
|
|
|
# ModelMultipleChoiceField ####################################################
|
|
|
|
f = forms.ModelMultipleChoiceField(Category.objects.all())
|
|
self.assertEqual(list(f.choices), [
|
|
(c1.pk, 'Entertainment'),
|
|
(c2.pk, "It's a test"),
|
|
(c3.pk, 'Third'),
|
|
(c4.pk, 'Fourth')])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(None)
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([])
|
|
self.assertEqual(map(lambda o: o.name, f.clean([c1.id])), ["Entertainment"])
|
|
self.assertEqual(map(lambda o: o.name, f.clean([c2.id])), ["It's a test"])
|
|
self.assertEqual(map(lambda o: o.name, f.clean([str(c1.id)])), ["Entertainment"])
|
|
self.assertEqual(map(lambda o: o.name, f.clean([str(c1.id), str(c2.id)])), ["Entertainment", "It's a test"])
|
|
self.assertEqual(map(lambda o: o.name, f.clean([c1.id, str(c2.id)])), ["Entertainment", "It's a test"])
|
|
self.assertEqual(map(lambda o: o.name, f.clean((c1.id, str(c2.id)))), ["Entertainment", "It's a test"])
|
|
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.
|
|
c6 = Category.objects.create(id=6, name='Sixth', url='6th')
|
|
self.assertEqual(c6.name, 'Sixth')
|
|
self.assertEqual(map(lambda o: o.name, 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])
|
|
|
|
f = forms.ModelMultipleChoiceField(Category.objects.all(), required=False)
|
|
self.assertEqual(f.clean([]), [])
|
|
self.assertEqual(f.clean(()), [])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(['10'])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([str(c3.id), '10'])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([str(c1.id), '10'])
|
|
|
|
# queryset can be changed after the field is created.
|
|
f.queryset = Category.objects.exclude(name='Fourth')
|
|
self.assertEqual(list(f.choices), [
|
|
(c1.pk, 'Entertainment'),
|
|
(c2.pk, "It's a test"),
|
|
(c3.pk, 'Third')])
|
|
self.assertEqual(map(lambda o: o.name, f.clean([c3.id])), ["Third"])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([c4.id])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean([str(c3.id), str(c4.id)])
|
|
|
|
f.queryset = Category.objects.all()
|
|
f.label_from_instance = lambda obj: "multicategory " + str(obj)
|
|
self.assertEqual(list(f.choices), [
|
|
(c1.pk, 'multicategory Entertainment'),
|
|
(c2.pk, "multicategory It's a test"),
|
|
(c3.pk, 'multicategory Third'),
|
|
(c4.pk, 'multicategory Fourth')])
|
|
|
|
# OneToOneField ###############################################################
|
|
|
|
self.assertEqual(ImprovedArticleForm.base_fields.keys(), ['article'])
|
|
|
|
self.assertEqual(ImprovedArticleWithParentLinkForm.base_fields.keys(), [])
|
|
|
|
bw = BetterWriter(name='Joe Better', score=10)
|
|
bw.save()
|
|
self.assertEqual(sorted(model_to_dict(bw).keys()),
|
|
['id', 'name', 'score', 'writer_ptr'])
|
|
|
|
form = BetterWriterForm({'name': 'Some Name', 'score': 12})
|
|
self.assertEqual(form.is_valid(), True)
|
|
bw2 = form.save()
|
|
bw2.delete()
|
|
|
|
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">Carl Bernstein</option>
|
|
<option value="%s">Joe Better</option>
|
|
<option value="%s">Mike Royko</option>
|
|
</select></p>
|
|
<p><label for="id_age">Age:</label> <input type="text" name="age" id="id_age" /></p>''' % (w_woodward.pk, w_bernstein.pk, bw.pk, w_royko.pk))
|
|
|
|
data = {
|
|
'writer': unicode(w_woodward.pk),
|
|
'age': '65',
|
|
}
|
|
form = WriterProfileForm(data)
|
|
instance = form.save()
|
|
self.assertEqual(unicode(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">Carl Bernstein</option>
|
|
<option value="%s">Joe Better</option>
|
|
<option value="%s">Mike Royko</option>
|
|
</select></p>
|
|
<p><label for="id_age">Age:</label> <input type="text" name="age" value="65" id="id_age" /></p>''' % (w_woodward.pk, w_bernstein.pk, bw.pk, w_royko.pk))
|
|
|
|
def test_phone_number_field(self):
|
|
f = PhoneNumberForm({'phone': '(312) 555-1212', 'description': 'Assistance'})
|
|
self.assertEqual(f.is_valid(), True)
|
|
self.assertEqual(f.cleaned_data['phone'], '312-555-1212')
|
|
self.assertEqual(f.cleaned_data['description'], 'Assistance')
|
|
|
|
def test_file_field(self):
|
|
# Test conditions when files is either not given or empty.
|
|
|
|
f = TextFileForm(data={'description': 'Assistance'})
|
|
self.assertEqual(f.is_valid(), False)
|
|
f = TextFileForm(data={'description': 'Assistance'}, files={})
|
|
self.assertEqual(f.is_valid(), False)
|
|
|
|
# Upload a file and ensure it all works as expected.
|
|
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
files={'file': SimpleUploadedFile('test1.txt', b'hello world')})
|
|
self.assertEqual(f.is_valid(), True)
|
|
self.assertEqual(type(f.cleaned_data['file']), SimpleUploadedFile)
|
|
instance = f.save()
|
|
self.assertEqual(instance.file.name, 'tests/test1.txt')
|
|
|
|
instance.file.delete()
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
files={'file': SimpleUploadedFile('test1.txt', b'hello world')})
|
|
self.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), False)
|
|
|
|
# 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.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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()
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
files={'file': SimpleUploadedFile('test2.txt', b'hello world')})
|
|
self.assertEqual(f.is_valid(), True)
|
|
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()
|
|
|
|
# Test the non-required FileField
|
|
f = TextFileForm(data={'description': 'Assistance'})
|
|
f.fields['file'].required = False
|
|
self.assertEqual(f.is_valid(), True)
|
|
instance = f.save()
|
|
self.assertEqual(instance.file.name, '')
|
|
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
files={'file': SimpleUploadedFile('test3.txt', b'hello world')}, instance=instance)
|
|
self.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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()
|
|
|
|
f = TextFileForm(
|
|
data={'description': 'Assistance'},
|
|
files={'file': SimpleUploadedFile('test3.txt', b'hello world')})
|
|
self.assertEqual(f.is_valid(), True)
|
|
instance = f.save()
|
|
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_big_integer_field(self):
|
|
bif = BigIntForm({'biggie': '-9223372036854775808'})
|
|
self.assertEqual(bif.is_valid(), True)
|
|
bif = BigIntForm({'biggie': '-9223372036854775809'})
|
|
self.assertEqual(bif.is_valid(), False)
|
|
self.assertEqual(bif.errors, {'biggie': ['Ensure this value is greater than or equal to -9223372036854775808.']})
|
|
bif = BigIntForm({'biggie': '9223372036854775807'})
|
|
self.assertEqual(bif.is_valid(), True)
|
|
bif = BigIntForm({'biggie': '9223372036854775808'})
|
|
self.assertEqual(bif.is_valid(), False)
|
|
self.assertEqual(bif.errors, {'biggie': ['Ensure this value is less than or equal to 9223372036854775807.']})
|
|
|
|
@skipUnless(test_images, "PIL 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(__file__), "test.png"), 'rb') as fp:
|
|
image_data = fp.read()
|
|
with open(os.path.join(os.path.dirname(__file__), "test2.png"), 'rb') as fp:
|
|
image_data2 = fp.read()
|
|
|
|
f = ImageFileForm(
|
|
data={'description': 'An image'},
|
|
files={'image': SimpleUploadedFile('test.png', image_data)})
|
|
self.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
instance = f.save()
|
|
self.assertEqual(instance.image.name, 'foo/test4.png')
|
|
instance.delete()
|
|
|
|
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(unicode(f.media), '''<link href="/some/form/css" type="text/css" media="all" rel="stylesheet" />
|
|
<script type="text/javascript" src="/some/form/javascript"></script>''')
|
|
|
|
f = CommaSeparatedIntegerForm({'field': '1,2,3'})
|
|
self.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
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.assertEqual(f.is_valid(), True)
|
|
self.assertEqual(f.cleaned_data, {'field': '1,,2'})
|
|
f = CommaSeparatedIntegerForm({'field': '1'})
|
|
self.assertEqual(f.is_valid(), True)
|
|
self.assertEqual(f.cleaned_data, {'field': '1'})
|
|
|
|
# This Price instance generated by this form is not valid because the quantity
|
|
# field is required, but the form is valid because the field is excluded from
|
|
# the form. This is for backwards compatibility.
|
|
|
|
form = PriceFormWithoutQuantity({'price': '6.00'})
|
|
self.assertEqual(form.is_valid(), True)
|
|
price = form.save(commit=False)
|
|
with self.assertRaises(ValidationError):
|
|
price.full_clean()
|
|
|
|
# The form should not validate fields that it doesn't contain even if they are
|
|
# specified using 'fields', not 'exclude'.
|
|
class Meta:
|
|
model = Price
|
|
fields = ('price',)
|
|
form = PriceFormWithoutQuantity({'price': '6.00'})
|
|
self.assertEqual(form.is_valid(), True)
|
|
|
|
# The form should still have an instance of a model that is not complete and
|
|
# not saved into a DB yet.
|
|
|
|
self.assertEqual(form.instance.price, Decimal('6.00'))
|
|
self.assertEqual(form.instance.quantity is None, True)
|
|
self.assertEqual(form.instance.pk is None, True)
|
|
|
|
# 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')
|
|
pear = 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(unicode(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(CategoryForm.base_fields.keys(),
|
|
['description', 'url'])
|
|
|
|
self.assertHTMLEqual(unicode(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.assertEqual(map(lambda o: o.name, field.clean([86])), ['Apple'])
|
|
|
|
form = SelectInventoryForm({'items': [87, 22]})
|
|
self.assertEqual(form.is_valid(), True)
|
|
self.assertEqual(len(form.cleaned_data), 1)
|
|
self.assertEqual(map(lambda o: o.name, form.cleaned_data['items']), ['Core', 'Pear'])
|
|
|
|
def test_model_field_that_returns_none_to_exclude_itself_with_explicit_fields(self):
|
|
self.assertEqual(CustomFieldForExclusionForm.base_fields.keys(), ['name'])
|
|
self.assertHTMLEqual(unicode(CustomFieldForExclusionForm()),
|
|
'''<tr><th><label for="id_name">Name:</label></th><td><input id="id_name" type="text" name="name" maxlength="10" /></td></tr>''')
|