| from __future__ import with_statement, absolute_import |
| |
| import datetime |
| import os |
| from decimal import Decimal |
| |
| from django import forms |
| from django.core.files.uploadedfile import SimpleUploadedFile |
| from django.core.validators import ValidationError |
| from django.db import connection |
| from django.forms.models import model_to_dict |
| from django.utils.unittest import skipUnless |
| from django.test import TestCase |
| |
| from .models import (Article, ArticleStatus, BetterWriter, BigInt, Book, |
| Category, CommaSeparatedInteger, CustomFieldForExclusionModel, DerivedBook, |
| DerivedPost, ExplicitPK, FlexibleDatePost, ImprovedArticle, |
| ImprovedArticleWithParentLink, Inventory, PhoneNumber, Post, Price, |
| Product, TextFile, Writer, WriterProfile, test_images) |
| |
| if test_images: |
| from .models import ImageFile, OptionalImageFile |
| class ImageFileForm(forms.ModelForm): |
| class Meta: |
| model = ImageFile |
| |
| class OptionalImageFileForm(forms.ModelForm): |
| class Meta: |
| model = OptionalImageFile |
| |
| class ProductForm(forms.ModelForm): |
| class Meta: |
| model = Product |
| |
| |
| class PriceForm(forms.ModelForm): |
| class Meta: |
| model = Price |
| |
| |
| class BookForm(forms.ModelForm): |
| class Meta: |
| model = Book |
| |
| |
| class DerivedBookForm(forms.ModelForm): |
| class Meta: |
| model = DerivedBook |
| |
| |
| class ExplicitPKForm(forms.ModelForm): |
| class Meta: |
| model = ExplicitPK |
| fields = ('key', 'desc',) |
| |
| |
| class PostForm(forms.ModelForm): |
| class Meta: |
| model = Post |
| |
| |
| class DerivedPostForm(forms.ModelForm): |
| class Meta: |
| model = DerivedPost |
| |
| |
| class CustomWriterForm(forms.ModelForm): |
| name = forms.CharField(required=False) |
| |
| class Meta: |
| model = Writer |
| |
| |
| class FlexDatePostForm(forms.ModelForm): |
| class Meta: |
| model = FlexibleDatePost |
| |
| |
| class BaseCategoryForm(forms.ModelForm): |
| class Meta: |
| model = Category |
| |
| |
| class ArticleForm(forms.ModelForm): |
| class Meta: |
| model = Article |
| |
| |
| class ArticleForm(forms.ModelForm): |
| class Meta: |
| model = Article |
| |
| class PartialArticleForm(forms.ModelForm): |
| class Meta: |
| model = Article |
| fields = ('headline','pub_date') |
| |
| class RoykoForm(forms.ModelForm): |
| class Meta: |
| model = Writer |
| |
| class TestArticleForm(forms.ModelForm): |
| class Meta: |
| model = Article |
| |
| class PartialArticleFormWithSlug(forms.ModelForm): |
| class Meta: |
| model = Article |
| fields=('headline', 'slug', 'pub_date') |
| |
| class ArticleStatusForm(forms.ModelForm): |
| class Meta: |
| model = ArticleStatus |
| |
| class InventoryForm(forms.ModelForm): |
| class Meta: |
| model = Inventory |
| |
| class SelectInventoryForm(forms.Form): |
| items = forms.ModelMultipleChoiceField(Inventory.objects.all(), to_field_name='barcode') |
| |
| class CustomFieldForExclusionForm(forms.ModelForm): |
| class Meta: |
| model = CustomFieldForExclusionModel |
| fields = ['name', 'markup'] |
| |
| class ShortCategory(forms.ModelForm): |
| name = forms.CharField(max_length=5) |
| slug = forms.CharField(max_length=5) |
| url = forms.CharField(max_length=3) |
| |
| class ImprovedArticleForm(forms.ModelForm): |
| class Meta: |
| model = ImprovedArticle |
| |
| class ImprovedArticleWithParentLinkForm(forms.ModelForm): |
| class Meta: |
| model = ImprovedArticleWithParentLink |
| |
| class BetterWriterForm(forms.ModelForm): |
| class Meta: |
| model = BetterWriter |
| |
| class WriterProfileForm(forms.ModelForm): |
| class Meta: |
| model = WriterProfile |
| |
| class PhoneNumberForm(forms.ModelForm): |
| class Meta: |
| model = PhoneNumber |
| |
| class TextFileForm(forms.ModelForm): |
| class Meta: |
| model = TextFile |
| |
| class BigIntForm(forms.ModelForm): |
| class Meta: |
| model = BigInt |
| |
| class ModelFormWithMedia(forms.ModelForm): |
| class Media: |
| js = ('/some/form/javascript',) |
| css = { |
| 'all': ('/some/form/css',) |
| } |
| class Meta: |
| model = PhoneNumber |
| |
| class CommaSeparatedIntegerForm(forms.ModelForm): |
| class Meta: |
| model = CommaSeparatedInteger |
| |
| class PriceFormWithoutQuantity(forms.ModelForm): |
| class Meta: |
| model = Price |
| exclude = ('quantity',) |
| |
| |
| class ModelFormBaseTest(TestCase): |
| def test_base_form(self): |
| self.assertEqual(BaseCategoryForm.base_fields.keys(), |
| ['name', 'slug', 'url']) |
| |
| def test_extra_fields(self): |
| class ExtraFields(BaseCategoryForm): |
| some_extra_field = forms.BooleanField() |
| |
| self.assertEqual(ExtraFields.base_fields.keys(), |
| ['name', 'slug', 'url', 'some_extra_field']) |
| |
| def test_replace_field(self): |
| class ReplaceField(forms.ModelForm): |
| url = forms.BooleanField() |
| |
| class Meta: |
| model = Category |
| |
| self.assertTrue(isinstance(ReplaceField.base_fields['url'], |
| forms.fields.BooleanField)) |
| |
| def test_override_field(self): |
| class WriterForm(forms.ModelForm): |
| book = forms.CharField(required=False) |
| |
| class Meta: |
| model = Writer |
| |
| wf = WriterForm({'name': 'Richard Lockridge'}) |
| self.assertTrue(wf.is_valid()) |
| |
| def test_limit_fields(self): |
| class LimitFields(forms.ModelForm): |
| class Meta: |
| model = Category |
| fields = ['url'] |
| |
| self.assertEqual(LimitFields.base_fields.keys(), |
| ['url']) |
| |
| def test_exclude_fields(self): |
| class ExcludeFields(forms.ModelForm): |
| class Meta: |
| model = Category |
| exclude = ['url'] |
| |
| self.assertEqual(ExcludeFields.base_fields.keys(), |
| ['name', 'slug']) |
| |
| def test_confused_form(self): |
| class ConfusedForm(forms.ModelForm): |
| """ Using 'fields' *and* 'exclude'. Not sure why you'd want to do |
| this, but uh, "be liberal in what you accept" and all. |
| """ |
| class Meta: |
| model = Category |
| fields = ['name', 'url'] |
| exclude = ['url'] |
| |
| self.assertEqual(ConfusedForm.base_fields.keys(), |
| ['name']) |
| |
| def test_mixmodel_form(self): |
| class MixModelForm(BaseCategoryForm): |
| """ Don't allow more than one 'model' definition in the |
| inheritance hierarchy. Technically, it would generate a valid |
| form, but the fact that the resulting save method won't deal with |
| multiple objects is likely to trip up people not familiar with the |
| mechanics. |
| """ |
| class Meta: |
| model = Article |
| # MixModelForm is now an Article-related thing, because MixModelForm.Meta |
| # overrides BaseCategoryForm.Meta. |
| |
| self.assertEqual( |
| MixModelForm.base_fields.keys(), |
| ['headline', 'slug', 'pub_date', 'writer', 'article', 'categories', 'status'] |
| ) |
| |
| def test_article_form(self): |
| self.assertEqual( |
| ArticleForm.base_fields.keys(), |
| ['headline', 'slug', 'pub_date', 'writer', 'article', 'categories', 'status'] |
| ) |
| |
| def test_bad_form(self): |
| #First class with a Meta class wins... |
| class BadForm(ArticleForm, BaseCategoryForm): |
| pass |
| |
| self.assertEqual( |
| BadForm.base_fields.keys(), |
| ['headline', 'slug', 'pub_date', 'writer', 'article', 'categories', 'status'] |
| ) |
| |
| def test_subcategory_form(self): |
| class SubCategoryForm(BaseCategoryForm): |
| """ Subclassing without specifying a Meta on the class will use |
| the parent's Meta (or the first parent in the MRO if there are |
| multiple parent classes). |
| """ |
| pass |
| |
| self.assertEqual(SubCategoryForm.base_fields.keys(), |
| ['name', 'slug', 'url']) |
| |
| def test_subclassmeta_form(self): |
| class SomeCategoryForm(forms.ModelForm): |
| checkbox = forms.BooleanField() |
| |
| class Meta: |
| model = Category |
| |
| class SubclassMeta(SomeCategoryForm): |
| """ We can also subclass the Meta inner class to change the fields |
| list. |
| """ |
| class Meta(SomeCategoryForm.Meta): |
| exclude = ['url'] |
| |
| self.assertHTMLEqual( |
| str(SubclassMeta()), |
| """<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_checkbox">Checkbox:</label></th><td><input type="checkbox" name="checkbox" id="id_checkbox" /></td></tr>""" |
| ) |
| |
| def test_orderfields_form(self): |
| class OrderFields(forms.ModelForm): |
| class Meta: |
| model = Category |
| fields = ['url', 'name'] |
| |
| self.assertEqual(OrderFields.base_fields.keys(), |
| ['url', 'name']) |
| self.assertHTMLEqual( |
| str(OrderFields()), |
| """<tr><th><label for="id_url">The URL:</label></th><td><input id="id_url" type="text" name="url" maxlength="40" /></td></tr> |
| <tr><th><label for="id_name">Name:</label></th><td><input id="id_name" type="text" name="name" maxlength="20" /></td></tr>""" |
| ) |
| |
| def test_orderfields2_form(self): |
| class OrderFields2(forms.ModelForm): |
| class Meta: |
| model = Category |
| fields = ['slug', 'url', 'name'] |
| exclude = ['url'] |
| |
| self.assertEqual(OrderFields2.base_fields.keys(), |
| ['slug', 'name']) |
| |
| |
| class TestWidgetForm(forms.ModelForm): |
| class Meta: |
| model = Category |
| fields = ['name', 'url', 'slug'] |
| widgets = { |
| 'name': forms.Textarea, |
| 'url': forms.TextInput(attrs={'class': 'url'}) |
| } |
| |
| |
| |
| class TestWidgets(TestCase): |
| def test_base_widgets(self): |
| frm = TestWidgetForm() |
| self.assertHTMLEqual( |
| str(frm['name']), |
| '<textarea id="id_name" rows="10" cols="40" name="name"></textarea>' |
| ) |
| self.assertHTMLEqual( |
| str(frm['url']), |
| '<input id="id_url" type="text" class="url" name="url" maxlength="40" />' |
| ) |
| self.assertHTMLEqual( |
| str(frm['slug']), |
| '<input id="id_slug" type="text" name="slug" maxlength="20" />' |
| ) |
| |
| |
| 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() |
| |
| |
| |
| |
| # unique/unique_together validation |
| class UniqueTest(TestCase): |
| 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'], [u'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__'], [u'Price with this Price and Quantity already exists.']) |
| |
| 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__'], [u'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': u'1', 'isbn': '12345'}) |
| self.assertFalse(form.is_valid()) |
| self.assertEqual(len(form.errors), 1) |
| self.assertEqual(form.errors['special_id'], [u'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__'], [u'Book with this Title and Author already exists.']) |
| |
| def test_abstract_inherited_unique(self): |
| title = 'Boss' |
| isbn = '12345' |
| dbook = 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'], [u'Derived book with this Isbn already exists.']) |
| |
| def test_abstract_inherited_unique_together(self): |
| title = 'Boss' |
| isbn = '12345' |
| dbook = DerivedBook.objects.create(title=title, author=self.writer, isbn=isbn) |
| form = DerivedBookForm({ |
| 'title': 'Other', |
| 'author': self.writer.pk, |
| 'isbn': '9876', |
| 'suffix1': u'0', |
| 'suffix2': u'0' |
| }) |
| self.assertFalse(form.is_valid()) |
| self.assertEqual(len(form.errors), 1) |
| self.assertEqual(form.errors['__all__'], |
| [u'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': u'', 'desc': u'' }) |
| self.assertFalse(form.is_valid()) |
| |
| def test_explicitpk_unique(self): |
| """Ensure keys and blank character strings are tested for uniqueness.""" |
| form = ExplicitPKForm({'key': u'key1', 'desc': u''}) |
| self.assertTrue(form.is_valid()) |
| form.save() |
| form = ExplicitPKForm({'key': u'key1', 'desc': u''}) |
| self.assertFalse(form.is_valid()) |
| self.assertEqual(len(form.errors), 3) |
| self.assertEqual(form.errors['__all__'], [u'Explicit pk with this Key and Desc already exists.']) |
| self.assertEqual(form.errors['desc'], [u'Explicit pk with this Desc already exists.']) |
| self.assertEqual(form.errors['key'], [u'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'], [u'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'], [u'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'], [u'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'], [u'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'], [u'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'], [u'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'], [u'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'], u'third') |
| self.assertEqual(f.cleaned_data['name'], u'Third test') |
| self.assertEqual(f.cleaned_data['slug'], u'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'], [u'This field is required.']) |
| self.assertEqual(f.errors['slug'], [u"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': u'Test headline', |
| 'slug': 'test-headline', |
| 'pub_date': u'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, u'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': u'New headline', |
| 'slug': 'new-headline', |
| 'pub_date': u'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, u'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': u'New headline', |
| 'slug': u'new-headline', |
| 'pub_date': u'1988-01-04', |
| 'writer': unicode(w_royko.pk), |
| 'article': u'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': u'New headline', 'slug': u'new-headline', 'pub_date': u'1988-01-04', |
| 'writer': unicode(w_royko.pk), 'article': u'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': u'The walrus was Paul', 'slug': u'walrus-was-paul', 'pub_date': u'1967-11-01', |
| 'writer': unicode(w_royko.pk), 'article': u'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': u'The walrus was Paul', 'slug': u'walrus-was-paul', 'pub_date': u'1967-11-01', |
| 'writer': unicode(w_royko.pk), 'article': u'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': u'The walrus was Paul', 'slug': 'walrus-was-paul', 'pub_date': u'1967-11-01', |
| 'writer': unicode(w_royko.pk), 'article': u'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), [ |
| (u'', u'---------'), |
| (c1.pk, u'Entertainment'), |
| (c2.pk, u"It's a test"), |
| (c3.pk, u'Third'), |
| (c4.pk, u'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), [ |
| (u'', u'---------'), |
| (c1.pk, u'Entertainment'), |
| (c2.pk, u"It's a test"), |
| (c3.pk, u'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, u"It's a test")) |
| self.assertEqual(list(gen_two), [ |
| (u'', u'---------'), |
| (c1.pk, u'Entertainment'), |
| (c2.pk, u"It's a test"), |
| (c3.pk, u'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), [ |
| (u'', u'---------'), |
| (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, u'Entertainment'), |
| (c2.pk, u"It's a test"), |
| (c3.pk, u'Third'), |
| (c4.pk, u'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, u'Entertainment'), |
| (c2.pk, u"It's a test"), |
| (c3.pk, u'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=u'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': u'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'], u'312-555-1212') |
| self.assertEqual(f.cleaned_data['description'], u'Assistance') |
| |
| def test_file_field(self): |
| # Test conditions when files is either not given or empty. |
| |
| f = TextFileForm(data={'description': u'Assistance'}) |
| self.assertEqual(f.is_valid(), False) |
| f = TextFileForm(data={'description': u'Assistance'}, files={}) |
| self.assertEqual(f.is_valid(), False) |
| |
| # Upload a file and ensure it all works as expected. |
| |
| f = TextFileForm( |
| data={'description': u'Assistance'}, |
| files={'file': SimpleUploadedFile('test1.txt', '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': u'Assistance'}, |
| files={'file': SimpleUploadedFile('test1.txt', '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': u'Assistance'}, |
| files={'file': SimpleUploadedFile('test-maxlength.txt', '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': u'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': u'Assistance'}, |
| files={'file': SimpleUploadedFile('test2.txt', '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': u'Assistance'}, |
| files={'file': SimpleUploadedFile('test2.txt', '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': u'Assistance'}) |
| f.fields['file'].required = False |
| self.assertEqual(f.is_valid(), True) |
| instance = f.save() |
| self.assertEqual(instance.file.name, '') |
| |
| f = TextFileForm( |
| data={'description': u'Assistance'}, |
| files={'file': SimpleUploadedFile('test3.txt', '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': u'New Description'}, |
| instance=instance) |
| f.fields['file'].required = False |
| self.assertEqual(f.is_valid(), True) |
| instance = f.save() |
| self.assertEqual(instance.description, u'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': u'Assistance'}, |
| files={'file': SimpleUploadedFile('test3.txt', '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': [u'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': [u'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. |
| |
| image_data = open(os.path.join(os.path.dirname(__file__), "test.png"), 'rb').read() |
| image_data2 = open(os.path.join(os.path.dirname(__file__), "test2.png"), 'rb').read() |
| |
| f = ImageFileForm( |
| data={'description': u'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': u'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': u'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': u'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': u'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 u'' instead of |
| # None. |
| if connection.features.interprets_empty_strings_as_nulls: |
| expected_null_imagefield_repr = u'' |
| else: |
| expected_null_imagefield_repr = None |
| |
| f = OptionalImageFileForm(data={'description': u'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': u'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': u'New Description'}, |
| instance=instance) |
| self.assertEqual(f.is_valid(), True) |
| instance = f.save() |
| self.assertEqual(instance.description, u'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': u'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': u'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': u'1,2,3'}) |
| f = CommaSeparatedIntegerForm({'field': '1a,2'}) |
| self.assertEqual(f.errors, {'field': [u'Enter only digits separated by commas.']}) |
| f = CommaSeparatedIntegerForm({'field': ',,,,'}) |
| self.assertEqual(f.is_valid(), True) |
| self.assertEqual(f.cleaned_data, {'field': u',,,,'}) |
| f = CommaSeparatedIntegerForm({'field': '1.2'}) |
| self.assertEqual(f.errors, {'field': [u'Enter only digits separated by commas.']}) |
| f = CommaSeparatedIntegerForm({'field': '1,a,2'}) |
| self.assertEqual(f.errors, {'field': [u'Enter only digits separated by commas.']}) |
| f = CommaSeparatedIntegerForm({'field': '1,,2'}) |
| self.assertEqual(f.is_valid(), True) |
| self.assertEqual(f.cleaned_data, {'field': u'1,,2'}) |
| f = CommaSeparatedIntegerForm({'field': '1'}) |
| self.assertEqual(f.is_valid(), True) |
| self.assertEqual(f.cleaned_data, {'field': u'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), ( |
| (u'', u'---------'), |
| (86, u'Apple'), |
| (87, u'Core'), |
| (22, u'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, u'Apple'), (87, u'Core'), (22, u'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>''') |
