1841 lines
80 KiB
Python
1841 lines
80 KiB
Python
import datetime
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import re
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from datetime import date
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from decimal import Decimal
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from django import forms
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from django.core.exceptions import ImproperlyConfigured, ValidationError
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from django.db import models
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from django.forms.models import (
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BaseModelFormSet, _get_foreign_key, inlineformset_factory,
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modelformset_factory,
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)
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from django.http import QueryDict
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from django.test import TestCase, skipUnlessDBFeature
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from .models import (
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AlternateBook, Author, AuthorMeeting, BetterAuthor, Book, BookWithCustomPK,
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BookWithOptionalAltEditor, ClassyMexicanRestaurant, CustomPrimaryKey,
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Location, Membership, MexicanRestaurant, Owner, OwnerProfile, Person,
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Place, Player, Poem, Poet, Post, Price, Product, Repository, Restaurant,
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Revision, Team,
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)
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class DeletionTests(TestCase):
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def test_deletion(self):
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PoetFormSet = modelformset_factory(Poet, fields="__all__", can_delete=True)
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poet = Poet.objects.create(name='test')
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data = {
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'form-TOTAL_FORMS': '1',
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'form-INITIAL_FORMS': '1',
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'form-MAX_NUM_FORMS': '0',
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'form-0-id': str(poet.pk),
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'form-0-name': 'test',
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'form-0-DELETE': 'on',
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}
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formset = PoetFormSet(data, queryset=Poet.objects.all())
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formset.save(commit=False)
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self.assertEqual(Poet.objects.count(), 1)
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formset.save()
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self.assertTrue(formset.is_valid())
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self.assertEqual(Poet.objects.count(), 0)
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def test_add_form_deletion_when_invalid(self):
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"""
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Make sure that an add form that is filled out, but marked for deletion
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doesn't cause validation errors.
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"""
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PoetFormSet = modelformset_factory(Poet, fields="__all__", can_delete=True)
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poet = Poet.objects.create(name='test')
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# One existing untouched and two new unvalid forms
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data = {
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'form-TOTAL_FORMS': '3',
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'form-INITIAL_FORMS': '1',
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'form-MAX_NUM_FORMS': '0',
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'form-0-id': str(poet.id),
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'form-0-name': 'test',
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'form-1-id': '',
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'form-1-name': 'x' * 1000, # Too long
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'form-2-id': str(poet.id), # Violate unique constraint
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'form-2-name': 'test2',
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}
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formset = PoetFormSet(data, queryset=Poet.objects.all())
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# Make sure this form doesn't pass validation.
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self.assertIs(formset.is_valid(), False)
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self.assertEqual(Poet.objects.count(), 1)
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# Then make sure that it *does* pass validation and delete the object,
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# even though the data in new forms aren't actually valid.
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data['form-0-DELETE'] = 'on'
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data['form-1-DELETE'] = 'on'
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data['form-2-DELETE'] = 'on'
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formset = PoetFormSet(data, queryset=Poet.objects.all())
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self.assertIs(formset.is_valid(), True)
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formset.save()
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self.assertEqual(Poet.objects.count(), 0)
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def test_change_form_deletion_when_invalid(self):
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"""
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Make sure that a change form that is filled out, but marked for deletion
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doesn't cause validation errors.
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"""
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PoetFormSet = modelformset_factory(Poet, fields="__all__", can_delete=True)
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poet = Poet.objects.create(name='test')
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data = {
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'form-TOTAL_FORMS': '1',
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'form-INITIAL_FORMS': '1',
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'form-MAX_NUM_FORMS': '0',
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'form-0-id': str(poet.id),
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'form-0-name': 'x' * 1000,
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}
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formset = PoetFormSet(data, queryset=Poet.objects.all())
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# Make sure this form doesn't pass validation.
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self.assertIs(formset.is_valid(), False)
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self.assertEqual(Poet.objects.count(), 1)
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# Then make sure that it *does* pass validation and delete the object,
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# even though the data isn't actually valid.
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data['form-0-DELETE'] = 'on'
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formset = PoetFormSet(data, queryset=Poet.objects.all())
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self.assertIs(formset.is_valid(), True)
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formset.save()
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self.assertEqual(Poet.objects.count(), 0)
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def test_outdated_deletion(self):
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poet = Poet.objects.create(name='test')
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poem = Poem.objects.create(name='Brevity is the soul of wit', poet=poet)
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PoemFormSet = inlineformset_factory(Poet, Poem, fields="__all__", can_delete=True)
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# Simulate deletion of an object that doesn't exist in the database
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data = {
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'form-TOTAL_FORMS': '2',
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'form-INITIAL_FORMS': '2',
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'form-0-id': str(poem.pk),
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'form-0-name': 'foo',
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'form-1-id': str(poem.pk + 1), # doesn't exist
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'form-1-name': 'bar',
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'form-1-DELETE': 'on',
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}
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formset = PoemFormSet(data, instance=poet, prefix="form")
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# The formset is valid even though poem.pk + 1 doesn't exist,
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# because it's marked for deletion anyway
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self.assertTrue(formset.is_valid())
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formset.save()
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# Make sure the save went through correctly
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self.assertEqual(Poem.objects.get(pk=poem.pk).name, "foo")
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self.assertEqual(poet.poem_set.count(), 1)
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self.assertFalse(Poem.objects.filter(pk=poem.pk + 1).exists())
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class ModelFormsetTest(TestCase):
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def test_modelformset_factory_without_fields(self):
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""" Regression for #19733 """
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message = (
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"Calling modelformset_factory without defining 'fields' or 'exclude' "
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"explicitly is prohibited."
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)
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with self.assertRaisesMessage(ImproperlyConfigured, message):
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modelformset_factory(Author)
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def test_simple_save(self):
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qs = Author.objects.all()
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AuthorFormSet = modelformset_factory(Author, fields="__all__", extra=3)
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formset = AuthorFormSet(queryset=qs)
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self.assertEqual(len(formset.forms), 3)
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self.assertHTMLEqual(
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formset.forms[0].as_p(),
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'<p><label for="id_form-0-name">Name:</label>'
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'<input id="id_form-0-name" type="text" name="form-0-name" maxlength="100">'
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'<input type="hidden" name="form-0-id" id="id_form-0-id"></p>'
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)
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self.assertHTMLEqual(
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formset.forms[1].as_p(),
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'<p><label for="id_form-1-name">Name:</label>'
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'<input id="id_form-1-name" type="text" name="form-1-name" maxlength="100">'
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'<input type="hidden" name="form-1-id" id="id_form-1-id"></p>'
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)
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self.assertHTMLEqual(
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formset.forms[2].as_p(),
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'<p><label for="id_form-2-name">Name:</label>'
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' <input id="id_form-2-name" type="text" name="form-2-name" maxlength="100">'
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'<input type="hidden" name="form-2-id" id="id_form-2-id"></p>'
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)
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data = {
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'form-TOTAL_FORMS': '3', # the number of forms rendered
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'form-INITIAL_FORMS': '0', # the number of forms with initial data
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'form-MAX_NUM_FORMS': '', # the max number of forms
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'form-0-name': 'Charles Baudelaire',
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'form-1-name': 'Arthur Rimbaud',
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'form-2-name': '',
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}
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formset = AuthorFormSet(data=data, queryset=qs)
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self.assertTrue(formset.is_valid())
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saved = formset.save()
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self.assertEqual(len(saved), 2)
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author1, author2 = saved
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self.assertEqual(author1, Author.objects.get(name='Charles Baudelaire'))
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self.assertEqual(author2, Author.objects.get(name='Arthur Rimbaud'))
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authors = list(Author.objects.order_by('name'))
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self.assertEqual(authors, [author2, author1])
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# Gah! We forgot Paul Verlaine. Let's create a formset to edit the
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# existing authors with an extra form to add him. We *could* pass in a
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# queryset to restrict the Author objects we edit, but in this case
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# we'll use it to display them in alphabetical order by name.
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qs = Author.objects.order_by('name')
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AuthorFormSet = modelformset_factory(Author, fields="__all__", extra=1, can_delete=False)
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formset = AuthorFormSet(queryset=qs)
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self.assertEqual(len(formset.forms), 3)
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self.assertHTMLEqual(
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formset.forms[0].as_p(),
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'<p><label for="id_form-0-name">Name:</label>'
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'<input id="id_form-0-name" type="text" name="form-0-name" value="Arthur Rimbaud" maxlength="100">'
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'<input type="hidden" name="form-0-id" value="%d" id="id_form-0-id"></p>' % author2.id
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)
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self.assertHTMLEqual(
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formset.forms[1].as_p(),
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'<p><label for="id_form-1-name">Name:</label>'
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'<input id="id_form-1-name" type="text" name="form-1-name" value="Charles Baudelaire" maxlength="100">'
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'<input type="hidden" name="form-1-id" value="%d" id="id_form-1-id"></p>' % author1.id
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)
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self.assertHTMLEqual(
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formset.forms[2].as_p(),
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'<p><label for="id_form-2-name">Name:</label>'
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'<input id="id_form-2-name" type="text" name="form-2-name" maxlength="100">'
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'<input type="hidden" name="form-2-id" id="id_form-2-id"></p>'
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)
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data = {
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'form-TOTAL_FORMS': '3', # the number of forms rendered
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'form-INITIAL_FORMS': '2', # the number of forms with initial data
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'form-MAX_NUM_FORMS': '', # the max number of forms
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'form-0-id': str(author2.id),
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'form-0-name': 'Arthur Rimbaud',
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'form-1-id': str(author1.id),
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'form-1-name': 'Charles Baudelaire',
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'form-2-name': 'Paul Verlaine',
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}
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formset = AuthorFormSet(data=data, queryset=qs)
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self.assertTrue(formset.is_valid())
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# Only changed or new objects are returned from formset.save()
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saved = formset.save()
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self.assertEqual(len(saved), 1)
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author3 = saved[0]
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self.assertEqual(author3, Author.objects.get(name='Paul Verlaine'))
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authors = list(Author.objects.order_by('name'))
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self.assertEqual(authors, [author2, author1, author3])
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# This probably shouldn't happen, but it will. If an add form was
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# marked for deletion, make sure we don't save that form.
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qs = Author.objects.order_by('name')
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AuthorFormSet = modelformset_factory(Author, fields="__all__", extra=1, can_delete=True)
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formset = AuthorFormSet(queryset=qs)
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self.assertEqual(len(formset.forms), 4)
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self.assertHTMLEqual(
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formset.forms[0].as_p(),
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'<p><label for="id_form-0-name">Name:</label>'
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'<input id="id_form-0-name" type="text" name="form-0-name" '
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'value="Arthur Rimbaud" maxlength="100"></p>'
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'<p><label for="id_form-0-DELETE">Delete:</label>'
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'<input type="checkbox" name="form-0-DELETE" id="id_form-0-DELETE">'
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'<input type="hidden" name="form-0-id" value="%d" id="id_form-0-id"></p>' % author2.id
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)
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self.assertHTMLEqual(
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formset.forms[1].as_p(),
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'<p><label for="id_form-1-name">Name:</label>'
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'<input id="id_form-1-name" type="text" name="form-1-name" '
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'value="Charles Baudelaire" maxlength="100"></p>'
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'<p><label for="id_form-1-DELETE">Delete:</label>'
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'<input type="checkbox" name="form-1-DELETE" id="id_form-1-DELETE">'
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'<input type="hidden" name="form-1-id" value="%d" id="id_form-1-id"></p>' % author1.id
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)
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self.assertHTMLEqual(
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formset.forms[2].as_p(),
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'<p><label for="id_form-2-name">Name:</label>'
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'<input id="id_form-2-name" type="text" name="form-2-name" '
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'value="Paul Verlaine" maxlength="100"></p>'
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'<p><label for="id_form-2-DELETE">Delete:</label>'
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'<input type="checkbox" name="form-2-DELETE" id="id_form-2-DELETE">'
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'<input type="hidden" name="form-2-id" value="%d" id="id_form-2-id"></p>' % author3.id
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)
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self.assertHTMLEqual(
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formset.forms[3].as_p(),
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'<p><label for="id_form-3-name">Name:</label>'
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'<input id="id_form-3-name" type="text" name="form-3-name" maxlength="100"></p>'
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'<p><label for="id_form-3-DELETE">Delete:</label>'
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'<input type="checkbox" name="form-3-DELETE" id="id_form-3-DELETE">'
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'<input type="hidden" name="form-3-id" id="id_form-3-id"></p>'
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)
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data = {
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'form-TOTAL_FORMS': '4', # the number of forms rendered
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'form-INITIAL_FORMS': '3', # the number of forms with initial data
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'form-MAX_NUM_FORMS': '', # the max number of forms
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'form-0-id': str(author2.id),
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'form-0-name': 'Arthur Rimbaud',
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'form-1-id': str(author1.id),
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'form-1-name': 'Charles Baudelaire',
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'form-2-id': str(author3.id),
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'form-2-name': 'Paul Verlaine',
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'form-3-name': 'Walt Whitman',
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'form-3-DELETE': 'on',
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}
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formset = AuthorFormSet(data=data, queryset=qs)
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self.assertTrue(formset.is_valid())
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# No objects were changed or saved so nothing will come back.
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self.assertEqual(formset.save(), [])
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authors = list(Author.objects.order_by('name'))
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self.assertEqual(authors, [author2, author1, author3])
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# Let's edit a record to ensure save only returns that one record.
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data = {
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'form-TOTAL_FORMS': '4', # the number of forms rendered
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'form-INITIAL_FORMS': '3', # the number of forms with initial data
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'form-MAX_NUM_FORMS': '', # the max number of forms
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'form-0-id': str(author2.id),
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'form-0-name': 'Walt Whitman',
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'form-1-id': str(author1.id),
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'form-1-name': 'Charles Baudelaire',
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'form-2-id': str(author3.id),
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'form-2-name': 'Paul Verlaine',
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'form-3-name': '',
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'form-3-DELETE': '',
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}
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formset = AuthorFormSet(data=data, queryset=qs)
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self.assertTrue(formset.is_valid())
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# One record has changed.
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saved = formset.save()
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self.assertEqual(len(saved), 1)
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self.assertEqual(saved[0], Author.objects.get(name='Walt Whitman'))
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def test_commit_false(self):
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# Test the behavior of commit=False and save_m2m
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author1 = Author.objects.create(name='Charles Baudelaire')
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author2 = Author.objects.create(name='Paul Verlaine')
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author3 = Author.objects.create(name='Walt Whitman')
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meeting = AuthorMeeting.objects.create(created=date.today())
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meeting.authors.set(Author.objects.all())
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# create an Author instance to add to the meeting.
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author4 = Author.objects.create(name='John Steinbeck')
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AuthorMeetingFormSet = modelformset_factory(AuthorMeeting, fields="__all__", extra=1, can_delete=True)
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data = {
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'form-TOTAL_FORMS': '2', # the number of forms rendered
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'form-INITIAL_FORMS': '1', # the number of forms with initial data
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'form-MAX_NUM_FORMS': '', # the max number of forms
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'form-0-id': str(meeting.id),
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'form-0-name': '2nd Tuesday of the Week Meeting',
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'form-0-authors': [author2.id, author1.id, author3.id, author4.id],
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'form-1-name': '',
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'form-1-authors': '',
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'form-1-DELETE': '',
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}
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formset = AuthorMeetingFormSet(data=data, queryset=AuthorMeeting.objects.all())
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self.assertTrue(formset.is_valid())
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instances = formset.save(commit=False)
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for instance in instances:
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instance.created = date.today()
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instance.save()
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formset.save_m2m()
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self.assertQuerysetEqual(instances[0].authors.all(), [
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'<Author: Charles Baudelaire>',
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'<Author: John Steinbeck>',
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'<Author: Paul Verlaine>',
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'<Author: Walt Whitman>',
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])
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def test_max_num(self):
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# Test the behavior of max_num with model formsets. It should allow
|
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# all existing related objects/inlines for a given object to be
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# displayed, but not allow the creation of new inlines beyond max_num.
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Author.objects.create(name='Charles Baudelaire')
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Author.objects.create(name='Paul Verlaine')
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Author.objects.create(name='Walt Whitman')
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qs = Author.objects.order_by('name')
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AuthorFormSet = modelformset_factory(Author, fields="__all__", max_num=None, extra=3)
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formset = AuthorFormSet(queryset=qs)
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self.assertEqual(len(formset.forms), 6)
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self.assertEqual(len(formset.extra_forms), 3)
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AuthorFormSet = modelformset_factory(Author, fields="__all__", max_num=4, extra=3)
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formset = AuthorFormSet(queryset=qs)
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self.assertEqual(len(formset.forms), 4)
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self.assertEqual(len(formset.extra_forms), 1)
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AuthorFormSet = modelformset_factory(Author, fields="__all__", max_num=0, extra=3)
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formset = AuthorFormSet(queryset=qs)
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self.assertEqual(len(formset.forms), 3)
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self.assertEqual(len(formset.extra_forms), 0)
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AuthorFormSet = modelformset_factory(Author, fields="__all__", max_num=None)
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formset = AuthorFormSet(queryset=qs)
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self.assertQuerysetEqual(formset.get_queryset(), [
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'<Author: Charles Baudelaire>',
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'<Author: Paul Verlaine>',
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'<Author: Walt Whitman>',
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])
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AuthorFormSet = modelformset_factory(Author, fields="__all__", max_num=0)
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formset = AuthorFormSet(queryset=qs)
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self.assertQuerysetEqual(formset.get_queryset(), [
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'<Author: Charles Baudelaire>',
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'<Author: Paul Verlaine>',
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'<Author: Walt Whitman>',
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])
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AuthorFormSet = modelformset_factory(Author, fields="__all__", max_num=4)
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formset = AuthorFormSet(queryset=qs)
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self.assertQuerysetEqual(formset.get_queryset(), [
|
|
'<Author: Charles Baudelaire>',
|
|
'<Author: Paul Verlaine>',
|
|
'<Author: Walt Whitman>',
|
|
])
|
|
|
|
def test_min_num(self):
|
|
# Test the behavior of min_num with model formsets. It should be
|
|
# added to extra.
|
|
qs = Author.objects.none()
|
|
|
|
AuthorFormSet = modelformset_factory(Author, fields="__all__", extra=0)
|
|
formset = AuthorFormSet(queryset=qs)
|
|
self.assertEqual(len(formset.forms), 0)
|
|
|
|
AuthorFormSet = modelformset_factory(Author, fields="__all__", min_num=1, extra=0)
|
|
formset = AuthorFormSet(queryset=qs)
|
|
self.assertEqual(len(formset.forms), 1)
|
|
|
|
AuthorFormSet = modelformset_factory(Author, fields="__all__", min_num=1, extra=1)
|
|
formset = AuthorFormSet(queryset=qs)
|
|
self.assertEqual(len(formset.forms), 2)
|
|
|
|
def test_min_num_with_existing(self):
|
|
# Test the behavior of min_num with existing objects.
|
|
Author.objects.create(name='Charles Baudelaire')
|
|
qs = Author.objects.all()
|
|
|
|
AuthorFormSet = modelformset_factory(Author, fields="__all__", extra=0, min_num=1)
|
|
formset = AuthorFormSet(queryset=qs)
|
|
self.assertEqual(len(formset.forms), 1)
|
|
|
|
def test_custom_save_method(self):
|
|
class PoetForm(forms.ModelForm):
|
|
def save(self, commit=True):
|
|
# change the name to "Vladimir Mayakovsky" just to be a jerk.
|
|
author = super().save(commit=False)
|
|
author.name = "Vladimir Mayakovsky"
|
|
if commit:
|
|
author.save()
|
|
return author
|
|
|
|
PoetFormSet = modelformset_factory(Poet, fields="__all__", form=PoetForm)
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '3', # the number of forms rendered
|
|
'form-INITIAL_FORMS': '0', # the number of forms with initial data
|
|
'form-MAX_NUM_FORMS': '', # the max number of forms
|
|
'form-0-name': 'Walt Whitman',
|
|
'form-1-name': 'Charles Baudelaire',
|
|
'form-2-name': '',
|
|
}
|
|
|
|
qs = Poet.objects.all()
|
|
formset = PoetFormSet(data=data, queryset=qs)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
poets = formset.save()
|
|
self.assertEqual(len(poets), 2)
|
|
poet1, poet2 = poets
|
|
self.assertEqual(poet1.name, 'Vladimir Mayakovsky')
|
|
self.assertEqual(poet2.name, 'Vladimir Mayakovsky')
|
|
|
|
def test_custom_form(self):
|
|
"""
|
|
model_formset_factory() respects fields and exclude parameters of a
|
|
custom form.
|
|
"""
|
|
class PostForm1(forms.ModelForm):
|
|
class Meta:
|
|
model = Post
|
|
fields = ('title', 'posted')
|
|
|
|
class PostForm2(forms.ModelForm):
|
|
class Meta:
|
|
model = Post
|
|
exclude = ('subtitle',)
|
|
|
|
PostFormSet = modelformset_factory(Post, form=PostForm1)
|
|
formset = PostFormSet()
|
|
self.assertNotIn("subtitle", formset.forms[0].fields)
|
|
|
|
PostFormSet = modelformset_factory(Post, form=PostForm2)
|
|
formset = PostFormSet()
|
|
self.assertNotIn("subtitle", formset.forms[0].fields)
|
|
|
|
def test_custom_queryset_init(self):
|
|
"""
|
|
A queryset can be overridden in the formset's __init__() method.
|
|
"""
|
|
Author.objects.create(name='Charles Baudelaire')
|
|
Author.objects.create(name='Paul Verlaine')
|
|
|
|
class BaseAuthorFormSet(BaseModelFormSet):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
self.queryset = Author.objects.filter(name__startswith='Charles')
|
|
|
|
AuthorFormSet = modelformset_factory(Author, fields='__all__', formset=BaseAuthorFormSet)
|
|
formset = AuthorFormSet()
|
|
self.assertEqual(len(formset.get_queryset()), 1)
|
|
|
|
def test_model_inheritance(self):
|
|
BetterAuthorFormSet = modelformset_factory(BetterAuthor, fields="__all__")
|
|
formset = BetterAuthorFormSet()
|
|
self.assertEqual(len(formset.forms), 1)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_form-0-name">Name:</label>'
|
|
'<input id="id_form-0-name" type="text" name="form-0-name" maxlength="100"></p>'
|
|
'<p><label for="id_form-0-write_speed">Write speed:</label>'
|
|
'<input type="number" name="form-0-write_speed" id="id_form-0-write_speed">'
|
|
'<input type="hidden" name="form-0-author_ptr" id="id_form-0-author_ptr"></p>'
|
|
)
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '1', # the number of forms rendered
|
|
'form-INITIAL_FORMS': '0', # the number of forms with initial data
|
|
'form-MAX_NUM_FORMS': '', # the max number of forms
|
|
'form-0-author_ptr': '',
|
|
'form-0-name': 'Ernest Hemingway',
|
|
'form-0-write_speed': '10',
|
|
}
|
|
|
|
formset = BetterAuthorFormSet(data)
|
|
self.assertTrue(formset.is_valid())
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
author1, = saved
|
|
self.assertEqual(author1, BetterAuthor.objects.get(name='Ernest Hemingway'))
|
|
hemingway_id = BetterAuthor.objects.get(name="Ernest Hemingway").pk
|
|
|
|
formset = BetterAuthorFormSet()
|
|
self.assertEqual(len(formset.forms), 2)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_form-0-name">Name:</label>'
|
|
'<input id="id_form-0-name" type="text" name="form-0-name" value="Ernest Hemingway" maxlength="100"></p>'
|
|
'<p><label for="id_form-0-write_speed">Write speed:</label>'
|
|
'<input type="number" name="form-0-write_speed" value="10" id="id_form-0-write_speed">'
|
|
'<input type="hidden" name="form-0-author_ptr" value="%d" id="id_form-0-author_ptr"></p>' % hemingway_id
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[1].as_p(),
|
|
'<p><label for="id_form-1-name">Name:</label>'
|
|
'<input id="id_form-1-name" type="text" name="form-1-name" maxlength="100"></p>'
|
|
'<p><label for="id_form-1-write_speed">Write speed:</label>'
|
|
'<input type="number" name="form-1-write_speed" id="id_form-1-write_speed">'
|
|
'<input type="hidden" name="form-1-author_ptr" id="id_form-1-author_ptr"></p>'
|
|
)
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '2', # the number of forms rendered
|
|
'form-INITIAL_FORMS': '1', # the number of forms with initial data
|
|
'form-MAX_NUM_FORMS': '', # the max number of forms
|
|
'form-0-author_ptr': hemingway_id,
|
|
'form-0-name': 'Ernest Hemingway',
|
|
'form-0-write_speed': '10',
|
|
'form-1-author_ptr': '',
|
|
'form-1-name': '',
|
|
'form-1-write_speed': '',
|
|
}
|
|
|
|
formset = BetterAuthorFormSet(data)
|
|
self.assertTrue(formset.is_valid())
|
|
self.assertEqual(formset.save(), [])
|
|
|
|
def test_inline_formsets(self):
|
|
# We can also create a formset that is tied to a parent model. This is
|
|
# how the admin system's edit inline functionality works.
|
|
|
|
AuthorBooksFormSet = inlineformset_factory(Author, Book, can_delete=False, extra=3, fields="__all__")
|
|
author = Author.objects.create(name='Charles Baudelaire')
|
|
|
|
formset = AuthorBooksFormSet(instance=author)
|
|
self.assertEqual(len(formset.forms), 3)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_book_set-0-title">Title:</label> <input id="id_book_set-0-title" type="text" '
|
|
'name="book_set-0-title" maxlength="100"><input type="hidden" name="book_set-0-author" value="%d" '
|
|
'id="id_book_set-0-author"><input type="hidden" name="book_set-0-id" id="id_book_set-0-id">'
|
|
'</p>' % author.id
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[1].as_p(),
|
|
'<p><label for="id_book_set-1-title">Title:</label>'
|
|
'<input id="id_book_set-1-title" type="text" name="book_set-1-title" maxlength="100">'
|
|
'<input type="hidden" name="book_set-1-author" value="%d" id="id_book_set-1-author">'
|
|
'<input type="hidden" name="book_set-1-id" id="id_book_set-1-id"></p>' % author.id
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[2].as_p(),
|
|
'<p><label for="id_book_set-2-title">Title:</label>'
|
|
'<input id="id_book_set-2-title" type="text" name="book_set-2-title" maxlength="100">'
|
|
'<input type="hidden" name="book_set-2-author" value="%d" id="id_book_set-2-author">'
|
|
'<input type="hidden" name="book_set-2-id" id="id_book_set-2-id"></p>' % author.id
|
|
)
|
|
|
|
data = {
|
|
'book_set-TOTAL_FORMS': '3', # the number of forms rendered
|
|
'book_set-INITIAL_FORMS': '0', # the number of forms with initial data
|
|
'book_set-MAX_NUM_FORMS': '', # the max number of forms
|
|
'book_set-0-title': 'Les Fleurs du Mal',
|
|
'book_set-1-title': '',
|
|
'book_set-2-title': '',
|
|
}
|
|
|
|
formset = AuthorBooksFormSet(data, instance=author)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
book1, = saved
|
|
self.assertEqual(book1, Book.objects.get(title='Les Fleurs du Mal'))
|
|
self.assertQuerysetEqual(author.book_set.all(), ['<Book: Les Fleurs du Mal>'])
|
|
|
|
# Now that we've added a book to Charles Baudelaire, let's try adding
|
|
# another one. This time though, an edit form will be available for
|
|
# every existing book.
|
|
|
|
AuthorBooksFormSet = inlineformset_factory(Author, Book, can_delete=False, extra=2, fields="__all__")
|
|
author = Author.objects.get(name='Charles Baudelaire')
|
|
|
|
formset = AuthorBooksFormSet(instance=author)
|
|
self.assertEqual(len(formset.forms), 3)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_book_set-0-title">Title:</label>'
|
|
'<input id="id_book_set-0-title" type="text" name="book_set-0-title" '
|
|
'value="Les Fleurs du Mal" maxlength="100">'
|
|
'<input type="hidden" name="book_set-0-author" value="%d" id="id_book_set-0-author">'
|
|
'<input type="hidden" name="book_set-0-id" value="%d" id="id_book_set-0-id"></p>' % (
|
|
author.id, book1.id,
|
|
)
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[1].as_p(),
|
|
'<p><label for="id_book_set-1-title">Title:</label>'
|
|
'<input id="id_book_set-1-title" type="text" name="book_set-1-title" maxlength="100">'
|
|
'<input type="hidden" name="book_set-1-author" value="%d" id="id_book_set-1-author">'
|
|
'<input type="hidden" name="book_set-1-id" id="id_book_set-1-id"></p>' % author.id
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[2].as_p(),
|
|
'<p><label for="id_book_set-2-title">Title:</label>'
|
|
'<input id="id_book_set-2-title" type="text" name="book_set-2-title" maxlength="100">'
|
|
'<input type="hidden" name="book_set-2-author" value="%d" id="id_book_set-2-author">'
|
|
'<input type="hidden" name="book_set-2-id" id="id_book_set-2-id"></p>' % author.id
|
|
)
|
|
|
|
data = {
|
|
'book_set-TOTAL_FORMS': '3', # the number of forms rendered
|
|
'book_set-INITIAL_FORMS': '1', # the number of forms with initial data
|
|
'book_set-MAX_NUM_FORMS': '', # the max number of forms
|
|
'book_set-0-id': str(book1.id),
|
|
'book_set-0-title': 'Les Fleurs du Mal',
|
|
'book_set-1-title': 'Les Paradis Artificiels',
|
|
'book_set-2-title': '',
|
|
}
|
|
|
|
formset = AuthorBooksFormSet(data, instance=author)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
book2, = saved
|
|
self.assertEqual(book2, Book.objects.get(title='Les Paradis Artificiels'))
|
|
|
|
# As you can see, 'Les Paradis Artificiels' is now a book belonging to
|
|
# Charles Baudelaire.
|
|
self.assertQuerysetEqual(author.book_set.order_by('title'), [
|
|
'<Book: Les Fleurs du Mal>',
|
|
'<Book: Les Paradis Artificiels>',
|
|
])
|
|
|
|
def test_inline_formsets_save_as_new(self):
|
|
# The save_as_new parameter lets you re-associate the data to a new
|
|
# instance. This is used in the admin for save_as functionality.
|
|
AuthorBooksFormSet = inlineformset_factory(Author, Book, can_delete=False, extra=2, fields="__all__")
|
|
Author.objects.create(name='Charles Baudelaire')
|
|
|
|
# An immutable QueryDict simulates request.POST.
|
|
data = QueryDict(mutable=True)
|
|
data.update({
|
|
'book_set-TOTAL_FORMS': '3', # the number of forms rendered
|
|
'book_set-INITIAL_FORMS': '2', # the number of forms with initial data
|
|
'book_set-MAX_NUM_FORMS': '', # the max number of forms
|
|
'book_set-0-id': '1',
|
|
'book_set-0-title': 'Les Fleurs du Mal',
|
|
'book_set-1-id': '2',
|
|
'book_set-1-title': 'Les Paradis Artificiels',
|
|
'book_set-2-title': '',
|
|
})
|
|
data._mutable = False
|
|
|
|
formset = AuthorBooksFormSet(data, instance=Author(), save_as_new=True)
|
|
self.assertTrue(formset.is_valid())
|
|
self.assertIs(data._mutable, False)
|
|
|
|
new_author = Author.objects.create(name='Charles Baudelaire')
|
|
formset = AuthorBooksFormSet(data, instance=new_author, save_as_new=True)
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 2)
|
|
book1, book2 = saved
|
|
self.assertEqual(book1.title, 'Les Fleurs du Mal')
|
|
self.assertEqual(book2.title, 'Les Paradis Artificiels')
|
|
|
|
# Test using a custom prefix on an inline formset.
|
|
|
|
formset = AuthorBooksFormSet(prefix="test")
|
|
self.assertEqual(len(formset.forms), 2)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_test-0-title">Title:</label>'
|
|
'<input id="id_test-0-title" type="text" name="test-0-title" maxlength="100">'
|
|
'<input type="hidden" name="test-0-author" id="id_test-0-author">'
|
|
'<input type="hidden" name="test-0-id" id="id_test-0-id"></p>'
|
|
)
|
|
|
|
self.assertHTMLEqual(
|
|
formset.forms[1].as_p(),
|
|
'<p><label for="id_test-1-title">Title:</label>'
|
|
'<input id="id_test-1-title" type="text" name="test-1-title" maxlength="100">'
|
|
'<input type="hidden" name="test-1-author" id="id_test-1-author">'
|
|
'<input type="hidden" name="test-1-id" id="id_test-1-id"></p>'
|
|
)
|
|
|
|
def test_inline_formsets_with_custom_pk(self):
|
|
# Test inline formsets where the inline-edited object has a custom
|
|
# primary key that is not the fk to the parent object.
|
|
self.maxDiff = 1024
|
|
|
|
AuthorBooksFormSet2 = inlineformset_factory(
|
|
Author, BookWithCustomPK, can_delete=False, extra=1, fields="__all__"
|
|
)
|
|
author = Author.objects.create(pk=1, name='Charles Baudelaire')
|
|
|
|
formset = AuthorBooksFormSet2(instance=author)
|
|
self.assertEqual(len(formset.forms), 1)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_bookwithcustompk_set-0-my_pk">My pk:</label>'
|
|
'<input id="id_bookwithcustompk_set-0-my_pk" type="number" '
|
|
'name="bookwithcustompk_set-0-my_pk" step="1"></p>'
|
|
'<p><label for="id_bookwithcustompk_set-0-title">Title:</label>'
|
|
'<input id="id_bookwithcustompk_set-0-title" type="text" '
|
|
'name="bookwithcustompk_set-0-title" maxlength="100">'
|
|
'<input type="hidden" name="bookwithcustompk_set-0-author" '
|
|
'value="1" id="id_bookwithcustompk_set-0-author"></p>'
|
|
)
|
|
|
|
data = {
|
|
'bookwithcustompk_set-TOTAL_FORMS': '1', # the number of forms rendered
|
|
'bookwithcustompk_set-INITIAL_FORMS': '0', # the number of forms with initial data
|
|
'bookwithcustompk_set-MAX_NUM_FORMS': '', # the max number of forms
|
|
'bookwithcustompk_set-0-my_pk': '77777',
|
|
'bookwithcustompk_set-0-title': 'Les Fleurs du Mal',
|
|
}
|
|
|
|
formset = AuthorBooksFormSet2(data, instance=author)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
book1, = saved
|
|
self.assertEqual(book1.pk, 77777)
|
|
|
|
book1 = author.bookwithcustompk_set.get()
|
|
self.assertEqual(book1.title, 'Les Fleurs du Mal')
|
|
|
|
def test_inline_formsets_with_multi_table_inheritance(self):
|
|
# Test inline formsets where the inline-edited object uses multi-table
|
|
# inheritance, thus has a non AutoField yet auto-created primary key.
|
|
|
|
AuthorBooksFormSet3 = inlineformset_factory(Author, AlternateBook, can_delete=False, extra=1, fields="__all__")
|
|
author = Author.objects.create(pk=1, name='Charles Baudelaire')
|
|
|
|
formset = AuthorBooksFormSet3(instance=author)
|
|
self.assertEqual(len(formset.forms), 1)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_alternatebook_set-0-title">Title:</label>'
|
|
'<input id="id_alternatebook_set-0-title" type="text" '
|
|
'name="alternatebook_set-0-title" maxlength="100"></p>'
|
|
'<p><label for="id_alternatebook_set-0-notes">Notes:</label>'
|
|
'<input id="id_alternatebook_set-0-notes" type="text" '
|
|
'name="alternatebook_set-0-notes" maxlength="100">'
|
|
'<input type="hidden" name="alternatebook_set-0-author" value="1" '
|
|
'id="id_alternatebook_set-0-author">'
|
|
'<input type="hidden" name="alternatebook_set-0-book_ptr" '
|
|
'id="id_alternatebook_set-0-book_ptr"></p>'
|
|
)
|
|
|
|
data = {
|
|
'alternatebook_set-TOTAL_FORMS': '1', # the number of forms rendered
|
|
'alternatebook_set-INITIAL_FORMS': '0', # the number of forms with initial data
|
|
'alternatebook_set-MAX_NUM_FORMS': '', # the max number of forms
|
|
'alternatebook_set-0-title': 'Flowers of Evil',
|
|
'alternatebook_set-0-notes': 'English translation of Les Fleurs du Mal'
|
|
}
|
|
|
|
formset = AuthorBooksFormSet3(data, instance=author)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
book1, = saved
|
|
self.assertEqual(book1.title, 'Flowers of Evil')
|
|
self.assertEqual(book1.notes, 'English translation of Les Fleurs du Mal')
|
|
|
|
@skipUnlessDBFeature('supports_partially_nullable_unique_constraints')
|
|
def test_inline_formsets_with_nullable_unique_together(self):
|
|
# Test inline formsets where the inline-edited object has a
|
|
# unique_together constraint with a nullable member
|
|
|
|
AuthorBooksFormSet4 = inlineformset_factory(
|
|
Author, BookWithOptionalAltEditor, can_delete=False, extra=2, fields="__all__"
|
|
)
|
|
author = Author.objects.create(pk=1, name='Charles Baudelaire')
|
|
|
|
data = {
|
|
'bookwithoptionalalteditor_set-TOTAL_FORMS': '2', # the number of forms rendered
|
|
'bookwithoptionalalteditor_set-INITIAL_FORMS': '0', # the number of forms with initial data
|
|
'bookwithoptionalalteditor_set-MAX_NUM_FORMS': '', # the max number of forms
|
|
'bookwithoptionalalteditor_set-0-author': '1',
|
|
'bookwithoptionalalteditor_set-0-title': 'Les Fleurs du Mal',
|
|
'bookwithoptionalalteditor_set-1-author': '1',
|
|
'bookwithoptionalalteditor_set-1-title': 'Les Fleurs du Mal',
|
|
}
|
|
formset = AuthorBooksFormSet4(data, instance=author)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 2)
|
|
book1, book2 = saved
|
|
self.assertEqual(book1.author_id, 1)
|
|
self.assertEqual(book1.title, 'Les Fleurs du Mal')
|
|
self.assertEqual(book2.author_id, 1)
|
|
self.assertEqual(book2.title, 'Les Fleurs du Mal')
|
|
|
|
def test_inline_formsets_with_custom_save_method(self):
|
|
AuthorBooksFormSet = inlineformset_factory(Author, Book, can_delete=False, extra=2, fields="__all__")
|
|
author = Author.objects.create(pk=1, name='Charles Baudelaire')
|
|
book1 = Book.objects.create(pk=1, author=author, title='Les Paradis Artificiels')
|
|
book2 = Book.objects.create(pk=2, author=author, title='Les Fleurs du Mal')
|
|
book3 = Book.objects.create(pk=3, author=author, title='Flowers of Evil')
|
|
|
|
class PoemForm(forms.ModelForm):
|
|
def save(self, commit=True):
|
|
# change the name to "Brooklyn Bridge" just to be a jerk.
|
|
poem = super().save(commit=False)
|
|
poem.name = "Brooklyn Bridge"
|
|
if commit:
|
|
poem.save()
|
|
return poem
|
|
|
|
PoemFormSet = inlineformset_factory(Poet, Poem, form=PoemForm, fields="__all__")
|
|
|
|
data = {
|
|
'poem_set-TOTAL_FORMS': '3', # the number of forms rendered
|
|
'poem_set-INITIAL_FORMS': '0', # the number of forms with initial data
|
|
'poem_set-MAX_NUM_FORMS': '', # the max number of forms
|
|
'poem_set-0-name': 'The Cloud in Trousers',
|
|
'poem_set-1-name': 'I',
|
|
'poem_set-2-name': '',
|
|
}
|
|
|
|
poet = Poet.objects.create(name='Vladimir Mayakovsky')
|
|
formset = PoemFormSet(data=data, instance=poet)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 2)
|
|
poem1, poem2 = saved
|
|
self.assertEqual(poem1.name, 'Brooklyn Bridge')
|
|
self.assertEqual(poem2.name, 'Brooklyn Bridge')
|
|
|
|
# We can provide a custom queryset to our InlineFormSet:
|
|
|
|
custom_qs = Book.objects.order_by('-title')
|
|
formset = AuthorBooksFormSet(instance=author, queryset=custom_qs)
|
|
self.assertEqual(len(formset.forms), 5)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_book_set-0-title">Title:</label>'
|
|
'<input id="id_book_set-0-title" type="text" name="book_set-0-title" '
|
|
'value="Les Paradis Artificiels" maxlength="100">'
|
|
'<input type="hidden" name="book_set-0-author" value="1" id="id_book_set-0-author">'
|
|
'<input type="hidden" name="book_set-0-id" value="1" id="id_book_set-0-id"></p>'
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[1].as_p(),
|
|
'<p><label for="id_book_set-1-title">Title:</label>'
|
|
'<input id="id_book_set-1-title" type="text" name="book_set-1-title" '
|
|
'value="Les Fleurs du Mal" maxlength="100">'
|
|
'<input type="hidden" name="book_set-1-author" value="1" id="id_book_set-1-author">'
|
|
'<input type="hidden" name="book_set-1-id" value="2" id="id_book_set-1-id"></p>'
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[2].as_p(),
|
|
'<p><label for="id_book_set-2-title">Title:</label>'
|
|
'<input id="id_book_set-2-title" type="text" name="book_set-2-title" '
|
|
'value="Flowers of Evil" maxlength="100">'
|
|
'<input type="hidden" name="book_set-2-author" value="1" id="id_book_set-2-author">'
|
|
'<input type="hidden" name="book_set-2-id" value="3" id="id_book_set-2-id"></p>'
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[3].as_p(),
|
|
'<p><label for="id_book_set-3-title">Title:</label>'
|
|
'<input id="id_book_set-3-title" type="text" name="book_set-3-title" maxlength="100">'
|
|
'<input type="hidden" name="book_set-3-author" value="1" id="id_book_set-3-author">'
|
|
'<input type="hidden" name="book_set-3-id" id="id_book_set-3-id"></p>'
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[4].as_p(),
|
|
'<p><label for="id_book_set-4-title">Title:</label>'
|
|
'<input id="id_book_set-4-title" type="text" name="book_set-4-title" maxlength="100">'
|
|
'<input type="hidden" name="book_set-4-author" value="1" id="id_book_set-4-author">'
|
|
'<input type="hidden" name="book_set-4-id" id="id_book_set-4-id"></p>'
|
|
)
|
|
|
|
data = {
|
|
'book_set-TOTAL_FORMS': '5', # the number of forms rendered
|
|
'book_set-INITIAL_FORMS': '3', # the number of forms with initial data
|
|
'book_set-MAX_NUM_FORMS': '', # the max number of forms
|
|
'book_set-0-id': str(book1.id),
|
|
'book_set-0-title': 'Les Paradis Artificiels',
|
|
'book_set-1-id': str(book2.id),
|
|
'book_set-1-title': 'Les Fleurs du Mal',
|
|
'book_set-2-id': str(book3.id),
|
|
'book_set-2-title': 'Flowers of Evil',
|
|
'book_set-3-title': 'Revue des deux mondes',
|
|
'book_set-4-title': '',
|
|
}
|
|
formset = AuthorBooksFormSet(data, instance=author, queryset=custom_qs)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
custom_qs = Book.objects.filter(title__startswith='F')
|
|
formset = AuthorBooksFormSet(instance=author, queryset=custom_qs)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_book_set-0-title">Title:</label>'
|
|
'<input id="id_book_set-0-title" type="text" name="book_set-0-title" '
|
|
'value="Flowers of Evil" maxlength="100">'
|
|
'<input type="hidden" name="book_set-0-author" value="1" id="id_book_set-0-author">'
|
|
'<input type="hidden" name="book_set-0-id" value="3" id="id_book_set-0-id"></p>'
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[1].as_p(),
|
|
'<p><label for="id_book_set-1-title">Title:</label>'
|
|
'<input id="id_book_set-1-title" type="text" name="book_set-1-title" maxlength="100">'
|
|
'<input type="hidden" name="book_set-1-author" value="1" id="id_book_set-1-author">'
|
|
'<input type="hidden" name="book_set-1-id" id="id_book_set-1-id"></p>'
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[2].as_p(),
|
|
'<p><label for="id_book_set-2-title">Title:</label>'
|
|
'<input id="id_book_set-2-title" type="text" name="book_set-2-title" maxlength="100">'
|
|
'<input type="hidden" name="book_set-2-author" value="1" id="id_book_set-2-author">'
|
|
'<input type="hidden" name="book_set-2-id" id="id_book_set-2-id"></p>'
|
|
)
|
|
|
|
data = {
|
|
'book_set-TOTAL_FORMS': '3', # the number of forms rendered
|
|
'book_set-INITIAL_FORMS': '1', # the number of forms with initial data
|
|
'book_set-MAX_NUM_FORMS': '', # the max number of forms
|
|
'book_set-0-id': str(book3.id),
|
|
'book_set-0-title': 'Flowers of Evil',
|
|
'book_set-1-title': 'Revue des deux mondes',
|
|
'book_set-2-title': '',
|
|
}
|
|
formset = AuthorBooksFormSet(data, instance=author, queryset=custom_qs)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
def test_inline_formsets_with_custom_save_method_related_instance(self):
|
|
"""
|
|
The ModelForm.save() method should be able to access the related object
|
|
if it exists in the database (#24395).
|
|
"""
|
|
class PoemForm2(forms.ModelForm):
|
|
def save(self, commit=True):
|
|
poem = super().save(commit=False)
|
|
poem.name = "%s by %s" % (poem.name, poem.poet.name)
|
|
if commit:
|
|
poem.save()
|
|
return poem
|
|
|
|
PoemFormSet = inlineformset_factory(Poet, Poem, form=PoemForm2, fields="__all__")
|
|
data = {
|
|
'poem_set-TOTAL_FORMS': '1',
|
|
'poem_set-INITIAL_FORMS': '0',
|
|
'poem_set-MAX_NUM_FORMS': '',
|
|
'poem_set-0-name': 'Le Lac',
|
|
}
|
|
poet = Poet()
|
|
formset = PoemFormSet(data=data, instance=poet)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
# The Poet instance is saved after the formset instantiation. This
|
|
# happens in admin's changeform_view() when adding a new object and
|
|
# some inlines in the same request.
|
|
poet.name = 'Lamartine'
|
|
poet.save()
|
|
poem = formset.save()[0]
|
|
self.assertEqual(poem.name, 'Le Lac by Lamartine')
|
|
|
|
def test_inline_formsets_with_wrong_fk_name(self):
|
|
""" Regression for #23451 """
|
|
message = "fk_name 'title' is not a ForeignKey to 'model_formsets.Author'."
|
|
with self.assertRaisesMessage(ValueError, message):
|
|
inlineformset_factory(Author, Book, fields="__all__", fk_name='title')
|
|
|
|
def test_custom_pk(self):
|
|
# We need to ensure that it is displayed
|
|
|
|
CustomPrimaryKeyFormSet = modelformset_factory(CustomPrimaryKey, fields="__all__")
|
|
formset = CustomPrimaryKeyFormSet()
|
|
self.assertEqual(len(formset.forms), 1)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_form-0-my_pk">My pk:</label> <input id="id_form-0-my_pk" type="text" '
|
|
'name="form-0-my_pk" maxlength="10"></p>'
|
|
'<p><label for="id_form-0-some_field">Some field:</label>'
|
|
'<input id="id_form-0-some_field" type="text" name="form-0-some_field" maxlength="100"></p>'
|
|
)
|
|
|
|
# Custom primary keys with ForeignKey, OneToOneField and AutoField ############
|
|
|
|
place = Place.objects.create(pk=1, name='Giordanos', city='Chicago')
|
|
|
|
FormSet = inlineformset_factory(Place, Owner, extra=2, can_delete=False, fields="__all__")
|
|
formset = FormSet(instance=place)
|
|
self.assertEqual(len(formset.forms), 2)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_owner_set-0-name">Name:</label>'
|
|
'<input id="id_owner_set-0-name" type="text" name="owner_set-0-name" maxlength="100">'
|
|
'<input type="hidden" name="owner_set-0-place" value="1" id="id_owner_set-0-place">'
|
|
'<input type="hidden" name="owner_set-0-auto_id" id="id_owner_set-0-auto_id"></p>'
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[1].as_p(),
|
|
'<p><label for="id_owner_set-1-name">Name:</label>'
|
|
'<input id="id_owner_set-1-name" type="text" name="owner_set-1-name" maxlength="100">'
|
|
'<input type="hidden" name="owner_set-1-place" value="1" id="id_owner_set-1-place">'
|
|
'<input type="hidden" name="owner_set-1-auto_id" id="id_owner_set-1-auto_id"></p>'
|
|
)
|
|
|
|
data = {
|
|
'owner_set-TOTAL_FORMS': '2',
|
|
'owner_set-INITIAL_FORMS': '0',
|
|
'owner_set-MAX_NUM_FORMS': '',
|
|
'owner_set-0-auto_id': '',
|
|
'owner_set-0-name': 'Joe Perry',
|
|
'owner_set-1-auto_id': '',
|
|
'owner_set-1-name': '',
|
|
}
|
|
formset = FormSet(data, instance=place)
|
|
self.assertTrue(formset.is_valid())
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
owner1, = saved
|
|
self.assertEqual(owner1.name, 'Joe Perry')
|
|
self.assertEqual(owner1.place.name, 'Giordanos')
|
|
|
|
formset = FormSet(instance=place)
|
|
self.assertEqual(len(formset.forms), 3)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_owner_set-0-name">Name:</label>'
|
|
'<input id="id_owner_set-0-name" type="text" name="owner_set-0-name" value="Joe Perry" maxlength="100">'
|
|
'<input type="hidden" name="owner_set-0-place" value="1" id="id_owner_set-0-place">'
|
|
'<input type="hidden" name="owner_set-0-auto_id" value="%d" id="id_owner_set-0-auto_id"></p>'
|
|
% owner1.auto_id
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[1].as_p(),
|
|
'<p><label for="id_owner_set-1-name">Name:</label>'
|
|
'<input id="id_owner_set-1-name" type="text" name="owner_set-1-name" maxlength="100">'
|
|
'<input type="hidden" name="owner_set-1-place" value="1" id="id_owner_set-1-place">'
|
|
'<input type="hidden" name="owner_set-1-auto_id" id="id_owner_set-1-auto_id"></p>'
|
|
)
|
|
self.assertHTMLEqual(
|
|
formset.forms[2].as_p(),
|
|
'<p><label for="id_owner_set-2-name">Name:</label>'
|
|
'<input id="id_owner_set-2-name" type="text" name="owner_set-2-name" maxlength="100">'
|
|
'<input type="hidden" name="owner_set-2-place" value="1" id="id_owner_set-2-place">'
|
|
'<input type="hidden" name="owner_set-2-auto_id" id="id_owner_set-2-auto_id"></p>'
|
|
)
|
|
|
|
data = {
|
|
'owner_set-TOTAL_FORMS': '3',
|
|
'owner_set-INITIAL_FORMS': '1',
|
|
'owner_set-MAX_NUM_FORMS': '',
|
|
'owner_set-0-auto_id': str(owner1.auto_id),
|
|
'owner_set-0-name': 'Joe Perry',
|
|
'owner_set-1-auto_id': '',
|
|
'owner_set-1-name': 'Jack Berry',
|
|
'owner_set-2-auto_id': '',
|
|
'owner_set-2-name': '',
|
|
}
|
|
formset = FormSet(data, instance=place)
|
|
self.assertTrue(formset.is_valid())
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
owner2, = saved
|
|
self.assertEqual(owner2.name, 'Jack Berry')
|
|
self.assertEqual(owner2.place.name, 'Giordanos')
|
|
|
|
# Ensure a custom primary key that is a ForeignKey or OneToOneField get rendered for the user to choose.
|
|
|
|
FormSet = modelformset_factory(OwnerProfile, fields="__all__")
|
|
formset = FormSet()
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_form-0-owner">Owner:</label>'
|
|
'<select name="form-0-owner" id="id_form-0-owner">'
|
|
'<option value="" selected>---------</option>'
|
|
'<option value="%d">Joe Perry at Giordanos</option>'
|
|
'<option value="%d">Jack Berry at Giordanos</option>'
|
|
'</select></p>'
|
|
'<p><label for="id_form-0-age">Age:</label>'
|
|
'<input type="number" name="form-0-age" id="id_form-0-age" min="0"></p>'
|
|
% (owner1.auto_id, owner2.auto_id)
|
|
)
|
|
|
|
owner1 = Owner.objects.get(name='Joe Perry')
|
|
FormSet = inlineformset_factory(Owner, OwnerProfile, max_num=1, can_delete=False, fields="__all__")
|
|
self.assertEqual(FormSet.max_num, 1)
|
|
|
|
formset = FormSet(instance=owner1)
|
|
self.assertEqual(len(formset.forms), 1)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_ownerprofile-0-age">Age:</label>'
|
|
'<input type="number" name="ownerprofile-0-age" id="id_ownerprofile-0-age" min="0">'
|
|
'<input type="hidden" name="ownerprofile-0-owner" value="%d" id="id_ownerprofile-0-owner"></p>'
|
|
% owner1.auto_id
|
|
)
|
|
|
|
data = {
|
|
'ownerprofile-TOTAL_FORMS': '1',
|
|
'ownerprofile-INITIAL_FORMS': '0',
|
|
'ownerprofile-MAX_NUM_FORMS': '1',
|
|
'ownerprofile-0-owner': '',
|
|
'ownerprofile-0-age': '54',
|
|
}
|
|
formset = FormSet(data, instance=owner1)
|
|
self.assertTrue(formset.is_valid())
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
profile1, = saved
|
|
self.assertEqual(profile1.owner, owner1)
|
|
self.assertEqual(profile1.age, 54)
|
|
|
|
formset = FormSet(instance=owner1)
|
|
self.assertEqual(len(formset.forms), 1)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_ownerprofile-0-age">Age:</label>'
|
|
'<input type="number" name="ownerprofile-0-age" value="54" id="id_ownerprofile-0-age" min="0">'
|
|
'<input type="hidden" name="ownerprofile-0-owner" value="%d" id="id_ownerprofile-0-owner"></p>'
|
|
% owner1.auto_id
|
|
)
|
|
|
|
data = {
|
|
'ownerprofile-TOTAL_FORMS': '1',
|
|
'ownerprofile-INITIAL_FORMS': '1',
|
|
'ownerprofile-MAX_NUM_FORMS': '1',
|
|
'ownerprofile-0-owner': str(owner1.auto_id),
|
|
'ownerprofile-0-age': '55',
|
|
}
|
|
formset = FormSet(data, instance=owner1)
|
|
self.assertTrue(formset.is_valid())
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
profile1, = saved
|
|
self.assertEqual(profile1.owner, owner1)
|
|
self.assertEqual(profile1.age, 55)
|
|
|
|
def test_unique_true_enforces_max_num_one(self):
|
|
# ForeignKey with unique=True should enforce max_num=1
|
|
|
|
place = Place.objects.create(pk=1, name='Giordanos', city='Chicago')
|
|
|
|
FormSet = inlineformset_factory(Place, Location, can_delete=False, fields="__all__")
|
|
self.assertEqual(FormSet.max_num, 1)
|
|
|
|
formset = FormSet(instance=place)
|
|
self.assertEqual(len(formset.forms), 1)
|
|
self.assertHTMLEqual(
|
|
formset.forms[0].as_p(),
|
|
'<p><label for="id_location_set-0-lat">Lat:</label>'
|
|
'<input id="id_location_set-0-lat" type="text" name="location_set-0-lat" maxlength="100"></p>'
|
|
'<p><label for="id_location_set-0-lon">Lon:</label> '
|
|
'<input id="id_location_set-0-lon" type="text" name="location_set-0-lon" maxlength="100">'
|
|
'<input type="hidden" name="location_set-0-place" value="1" id="id_location_set-0-place">'
|
|
'<input type="hidden" name="location_set-0-id" id="id_location_set-0-id"></p>'
|
|
)
|
|
|
|
def test_foreign_keys_in_parents(self):
|
|
self.assertEqual(type(_get_foreign_key(Restaurant, Owner)), models.ForeignKey)
|
|
self.assertEqual(type(_get_foreign_key(MexicanRestaurant, Owner)), models.ForeignKey)
|
|
|
|
def test_unique_validation(self):
|
|
FormSet = modelformset_factory(Product, fields="__all__", extra=1)
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-slug': 'car-red',
|
|
}
|
|
formset = FormSet(data)
|
|
self.assertTrue(formset.is_valid())
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
product1, = saved
|
|
self.assertEqual(product1.slug, 'car-red')
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-slug': 'car-red',
|
|
}
|
|
formset = FormSet(data)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(formset.errors, [{'slug': ['Product with this Slug already exists.']}])
|
|
|
|
def test_modelformset_validate_max_flag(self):
|
|
# If validate_max is set and max_num is less than TOTAL_FORMS in the
|
|
# data, then throw an exception. MAX_NUM_FORMS in the data is
|
|
# irrelevant here (it's output as a hint for the client but its
|
|
# value in the returned data is not checked)
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '2',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '2', # should be ignored
|
|
'form-0-price': '12.00',
|
|
'form-0-quantity': '1',
|
|
'form-1-price': '24.00',
|
|
'form-1-quantity': '2',
|
|
}
|
|
|
|
FormSet = modelformset_factory(Price, fields="__all__", extra=1, max_num=1, validate_max=True)
|
|
formset = FormSet(data)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(formset.non_form_errors(), ['Please submit 1 or fewer forms.'])
|
|
|
|
# Now test the same thing without the validate_max flag to ensure
|
|
# default behavior is unchanged
|
|
FormSet = modelformset_factory(Price, fields="__all__", extra=1, max_num=1)
|
|
formset = FormSet(data)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
def test_unique_together_validation(self):
|
|
FormSet = modelformset_factory(Price, fields="__all__", extra=1)
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-price': '12.00',
|
|
'form-0-quantity': '1',
|
|
}
|
|
formset = FormSet(data)
|
|
self.assertTrue(formset.is_valid())
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
price1, = saved
|
|
self.assertEqual(price1.price, Decimal('12.00'))
|
|
self.assertEqual(price1.quantity, 1)
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-price': '12.00',
|
|
'form-0-quantity': '1',
|
|
}
|
|
formset = FormSet(data)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(formset.errors, [{'__all__': ['Price with this Price and Quantity already exists.']}])
|
|
|
|
def test_unique_together_with_inlineformset_factory(self):
|
|
# Also see bug #8882.
|
|
|
|
repository = Repository.objects.create(name='Test Repo')
|
|
FormSet = inlineformset_factory(Repository, Revision, extra=1, fields="__all__")
|
|
data = {
|
|
'revision_set-TOTAL_FORMS': '1',
|
|
'revision_set-INITIAL_FORMS': '0',
|
|
'revision_set-MAX_NUM_FORMS': '',
|
|
'revision_set-0-repository': repository.pk,
|
|
'revision_set-0-revision': '146239817507f148d448db38840db7c3cbf47c76',
|
|
'revision_set-0-DELETE': '',
|
|
}
|
|
formset = FormSet(data, instance=repository)
|
|
self.assertTrue(formset.is_valid())
|
|
saved = formset.save()
|
|
self.assertEqual(len(saved), 1)
|
|
revision1, = saved
|
|
self.assertEqual(revision1.repository, repository)
|
|
self.assertEqual(revision1.revision, '146239817507f148d448db38840db7c3cbf47c76')
|
|
|
|
# attempt to save the same revision against the same repo.
|
|
data = {
|
|
'revision_set-TOTAL_FORMS': '1',
|
|
'revision_set-INITIAL_FORMS': '0',
|
|
'revision_set-MAX_NUM_FORMS': '',
|
|
'revision_set-0-repository': repository.pk,
|
|
'revision_set-0-revision': '146239817507f148d448db38840db7c3cbf47c76',
|
|
'revision_set-0-DELETE': '',
|
|
}
|
|
formset = FormSet(data, instance=repository)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(formset.errors, [{'__all__': ['Revision with this Repository and Revision already exists.']}])
|
|
|
|
# unique_together with inlineformset_factory with overridden form fields
|
|
# Also see #9494
|
|
|
|
FormSet = inlineformset_factory(Repository, Revision, fields=('revision',), extra=1)
|
|
data = {
|
|
'revision_set-TOTAL_FORMS': '1',
|
|
'revision_set-INITIAL_FORMS': '0',
|
|
'revision_set-MAX_NUM_FORMS': '',
|
|
'revision_set-0-repository': repository.pk,
|
|
'revision_set-0-revision': '146239817507f148d448db38840db7c3cbf47c76',
|
|
'revision_set-0-DELETE': '',
|
|
}
|
|
formset = FormSet(data, instance=repository)
|
|
self.assertFalse(formset.is_valid())
|
|
|
|
def test_callable_defaults(self):
|
|
# Use of callable defaults (see bug #7975).
|
|
|
|
person = Person.objects.create(name='Ringo')
|
|
FormSet = inlineformset_factory(Person, Membership, can_delete=False, extra=1, fields="__all__")
|
|
formset = FormSet(instance=person)
|
|
|
|
# Django will render a hidden field for model fields that have a callable
|
|
# default. This is required to ensure the value is tested for change correctly
|
|
# when determine what extra forms have changed to save.
|
|
|
|
self.assertEqual(len(formset.forms), 1) # this formset only has one form
|
|
form = formset.forms[0]
|
|
now = form.fields['date_joined'].initial()
|
|
result = form.as_p()
|
|
result = re.sub(r'[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}(?:\.[0-9]+)?', '__DATETIME__', result)
|
|
self.assertHTMLEqual(
|
|
result,
|
|
'<p><label for="id_membership_set-0-date_joined">Date joined:</label>'
|
|
'<input type="text" name="membership_set-0-date_joined" '
|
|
'value="__DATETIME__" id="id_membership_set-0-date_joined">'
|
|
'<input type="hidden" name="initial-membership_set-0-date_joined" value="__DATETIME__" '
|
|
'id="initial-membership_set-0-id_membership_set-0-date_joined"></p>'
|
|
'<p><label for="id_membership_set-0-karma">Karma:</label>'
|
|
'<input type="number" name="membership_set-0-karma" id="id_membership_set-0-karma">'
|
|
'<input type="hidden" name="membership_set-0-person" value="%d" id="id_membership_set-0-person">'
|
|
'<input type="hidden" name="membership_set-0-id" id="id_membership_set-0-id"></p>'
|
|
% person.id)
|
|
|
|
# test for validation with callable defaults. Validations rely on hidden fields
|
|
|
|
data = {
|
|
'membership_set-TOTAL_FORMS': '1',
|
|
'membership_set-INITIAL_FORMS': '0',
|
|
'membership_set-MAX_NUM_FORMS': '',
|
|
'membership_set-0-date_joined': now.strftime('%Y-%m-%d %H:%M:%S'),
|
|
'initial-membership_set-0-date_joined': now.strftime('%Y-%m-%d %H:%M:%S'),
|
|
'membership_set-0-karma': '',
|
|
}
|
|
formset = FormSet(data, instance=person)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
# now test for when the data changes
|
|
|
|
one_day_later = now + datetime.timedelta(days=1)
|
|
filled_data = {
|
|
'membership_set-TOTAL_FORMS': '1',
|
|
'membership_set-INITIAL_FORMS': '0',
|
|
'membership_set-MAX_NUM_FORMS': '',
|
|
'membership_set-0-date_joined': one_day_later.strftime('%Y-%m-%d %H:%M:%S'),
|
|
'initial-membership_set-0-date_joined': now.strftime('%Y-%m-%d %H:%M:%S'),
|
|
'membership_set-0-karma': '',
|
|
}
|
|
formset = FormSet(filled_data, instance=person)
|
|
self.assertFalse(formset.is_valid())
|
|
|
|
# now test with split datetime fields
|
|
|
|
class MembershipForm(forms.ModelForm):
|
|
date_joined = forms.SplitDateTimeField(initial=now)
|
|
|
|
class Meta:
|
|
model = Membership
|
|
fields = "__all__"
|
|
|
|
def __init__(self, **kwargs):
|
|
super().__init__(**kwargs)
|
|
self.fields['date_joined'].widget = forms.SplitDateTimeWidget()
|
|
|
|
FormSet = inlineformset_factory(
|
|
Person,
|
|
Membership,
|
|
form=MembershipForm,
|
|
can_delete=False,
|
|
extra=1,
|
|
fields="__all__",
|
|
)
|
|
data = {
|
|
'membership_set-TOTAL_FORMS': '1',
|
|
'membership_set-INITIAL_FORMS': '0',
|
|
'membership_set-MAX_NUM_FORMS': '',
|
|
'membership_set-0-date_joined_0': now.strftime('%Y-%m-%d'),
|
|
'membership_set-0-date_joined_1': now.strftime('%H:%M:%S'),
|
|
'initial-membership_set-0-date_joined': now.strftime('%Y-%m-%d %H:%M:%S'),
|
|
'membership_set-0-karma': '',
|
|
}
|
|
formset = FormSet(data, instance=person)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
def test_inlineformset_factory_with_null_fk(self):
|
|
# inlineformset_factory tests with fk having null=True. see #9462.
|
|
# create some data that will exhibit the issue
|
|
team = Team.objects.create(name="Red Vipers")
|
|
Player(name="Timmy").save()
|
|
Player(name="Bobby", team=team).save()
|
|
|
|
PlayerInlineFormSet = inlineformset_factory(Team, Player, fields="__all__")
|
|
formset = PlayerInlineFormSet()
|
|
self.assertQuerysetEqual(formset.get_queryset(), [])
|
|
|
|
formset = PlayerInlineFormSet(instance=team)
|
|
players = formset.get_queryset()
|
|
self.assertEqual(len(players), 1)
|
|
player1, = players
|
|
self.assertEqual(player1.team, team)
|
|
self.assertEqual(player1.name, 'Bobby')
|
|
|
|
def test_inlineformset_with_arrayfield(self):
|
|
class SimpleArrayField(forms.CharField):
|
|
"""A proxy for django.contrib.postgres.forms.SimpleArrayField."""
|
|
def to_python(self, value):
|
|
value = super().to_python(value)
|
|
return value.split(',') if value else []
|
|
|
|
class BookForm(forms.ModelForm):
|
|
title = SimpleArrayField()
|
|
|
|
class Meta:
|
|
model = Book
|
|
fields = ('title',)
|
|
|
|
BookFormSet = inlineformset_factory(Author, Book, form=BookForm)
|
|
data = {
|
|
'book_set-TOTAL_FORMS': '3',
|
|
'book_set-INITIAL_FORMS': '0',
|
|
'book_set-MAX_NUM_FORMS': '',
|
|
'book_set-0-title': 'test1,test2',
|
|
'book_set-1-title': 'test1,test2',
|
|
'book_set-2-title': 'test3,test4',
|
|
}
|
|
author = Author.objects.create(name='test')
|
|
formset = BookFormSet(data, instance=author)
|
|
self.assertEqual(formset.errors, [{}, {'__all__': ['Please correct the duplicate values below.']}, {}])
|
|
|
|
def test_model_formset_with_custom_pk(self):
|
|
# a formset for a Model that has a custom primary key that still needs to be
|
|
# added to the formset automatically
|
|
FormSet = modelformset_factory(ClassyMexicanRestaurant, fields=["tacos_are_yummy"])
|
|
self.assertEqual(sorted(FormSet().forms[0].fields), ['tacos_are_yummy', 'the_restaurant'])
|
|
|
|
def test_model_formset_with_initial_model_instance(self):
|
|
# has_changed should compare model instance and primary key
|
|
# see #18898
|
|
FormSet = modelformset_factory(Poem, fields='__all__')
|
|
john_milton = Poet(name="John Milton")
|
|
john_milton.save()
|
|
data = {
|
|
'form-TOTAL_FORMS': 1,
|
|
'form-INITIAL_FORMS': 0,
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-name': '',
|
|
'form-0-poet': str(john_milton.id),
|
|
}
|
|
formset = FormSet(initial=[{'poet': john_milton}], data=data)
|
|
self.assertFalse(formset.extra_forms[0].has_changed())
|
|
|
|
def test_model_formset_with_initial_queryset(self):
|
|
# has_changed should work with queryset and list of pk's
|
|
# see #18898
|
|
FormSet = modelformset_factory(AuthorMeeting, fields='__all__')
|
|
Author.objects.create(pk=1, name='Charles Baudelaire')
|
|
data = {
|
|
'form-TOTAL_FORMS': 1,
|
|
'form-INITIAL_FORMS': 0,
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-name': '',
|
|
'form-0-created': '',
|
|
'form-0-authors': list(Author.objects.values_list('id', flat=True)),
|
|
}
|
|
formset = FormSet(initial=[{'authors': Author.objects.all()}], data=data)
|
|
self.assertFalse(formset.extra_forms[0].has_changed())
|
|
|
|
def test_prevent_duplicates_from_with_the_same_formset(self):
|
|
FormSet = modelformset_factory(Product, fields="__all__", extra=2)
|
|
data = {
|
|
'form-TOTAL_FORMS': 2,
|
|
'form-INITIAL_FORMS': 0,
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-slug': 'red_car',
|
|
'form-1-slug': 'red_car',
|
|
}
|
|
formset = FormSet(data)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(formset._non_form_errors, ['Please correct the duplicate data for slug.'])
|
|
|
|
FormSet = modelformset_factory(Price, fields="__all__", extra=2)
|
|
data = {
|
|
'form-TOTAL_FORMS': 2,
|
|
'form-INITIAL_FORMS': 0,
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-price': '25',
|
|
'form-0-quantity': '7',
|
|
'form-1-price': '25',
|
|
'form-1-quantity': '7',
|
|
}
|
|
formset = FormSet(data)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(
|
|
formset._non_form_errors,
|
|
['Please correct the duplicate data for price and quantity, which must be unique.']
|
|
)
|
|
|
|
# Only the price field is specified, this should skip any unique checks since
|
|
# the unique_together is not fulfilled. This will fail with a KeyError if broken.
|
|
FormSet = modelformset_factory(Price, fields=("price",), extra=2)
|
|
data = {
|
|
'form-TOTAL_FORMS': '2',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-price': '24',
|
|
'form-1-price': '24',
|
|
}
|
|
formset = FormSet(data)
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
FormSet = inlineformset_factory(Author, Book, extra=0, fields="__all__")
|
|
author = Author.objects.create(pk=1, name='Charles Baudelaire')
|
|
Book.objects.create(pk=1, author=author, title='Les Paradis Artificiels')
|
|
Book.objects.create(pk=2, author=author, title='Les Fleurs du Mal')
|
|
Book.objects.create(pk=3, author=author, title='Flowers of Evil')
|
|
|
|
book_ids = author.book_set.order_by('id').values_list('id', flat=True)
|
|
data = {
|
|
'book_set-TOTAL_FORMS': '2',
|
|
'book_set-INITIAL_FORMS': '2',
|
|
'book_set-MAX_NUM_FORMS': '',
|
|
|
|
'book_set-0-title': 'The 2008 Election',
|
|
'book_set-0-author': str(author.id),
|
|
'book_set-0-id': str(book_ids[0]),
|
|
|
|
'book_set-1-title': 'The 2008 Election',
|
|
'book_set-1-author': str(author.id),
|
|
'book_set-1-id': str(book_ids[1]),
|
|
}
|
|
formset = FormSet(data=data, instance=author)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(formset._non_form_errors, ['Please correct the duplicate data for title.'])
|
|
self.assertEqual(formset.errors, [{}, {'__all__': ['Please correct the duplicate values below.']}])
|
|
|
|
FormSet = modelformset_factory(Post, fields="__all__", extra=2)
|
|
data = {
|
|
'form-TOTAL_FORMS': '2',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
|
|
'form-0-title': 'blah',
|
|
'form-0-slug': 'Morning',
|
|
'form-0-subtitle': 'foo',
|
|
'form-0-posted': '2009-01-01',
|
|
'form-1-title': 'blah',
|
|
'form-1-slug': 'Morning in Prague',
|
|
'form-1-subtitle': 'rawr',
|
|
'form-1-posted': '2009-01-01'
|
|
}
|
|
formset = FormSet(data)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(
|
|
formset._non_form_errors,
|
|
['Please correct the duplicate data for title which must be unique for the date in posted.']
|
|
)
|
|
self.assertEqual(
|
|
formset.errors,
|
|
[{}, {'__all__': ['Please correct the duplicate values below.']}]
|
|
)
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '2',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
|
|
'form-0-title': 'foo',
|
|
'form-0-slug': 'Morning in Prague',
|
|
'form-0-subtitle': 'foo',
|
|
'form-0-posted': '2009-01-01',
|
|
'form-1-title': 'blah',
|
|
'form-1-slug': 'Morning in Prague',
|
|
'form-1-subtitle': 'rawr',
|
|
'form-1-posted': '2009-08-02'
|
|
}
|
|
formset = FormSet(data)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(
|
|
formset._non_form_errors,
|
|
['Please correct the duplicate data for slug which must be unique for the year in posted.']
|
|
)
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '2',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
|
|
'form-0-title': 'foo',
|
|
'form-0-slug': 'Morning in Prague',
|
|
'form-0-subtitle': 'rawr',
|
|
'form-0-posted': '2008-08-01',
|
|
'form-1-title': 'blah',
|
|
'form-1-slug': 'Prague',
|
|
'form-1-subtitle': 'rawr',
|
|
'form-1-posted': '2009-08-02'
|
|
}
|
|
formset = FormSet(data)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(
|
|
formset._non_form_errors,
|
|
['Please correct the duplicate data for subtitle which must be unique for the month in posted.']
|
|
)
|
|
|
|
def test_prevent_change_outer_model_and_create_invalid_data(self):
|
|
author = Author.objects.create(name='Charles')
|
|
other_author = Author.objects.create(name='Walt')
|
|
AuthorFormSet = modelformset_factory(Author, fields='__all__')
|
|
data = {
|
|
'form-TOTAL_FORMS': '2',
|
|
'form-INITIAL_FORMS': '2',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-id': str(author.id),
|
|
'form-0-name': 'Charles',
|
|
'form-1-id': str(other_author.id), # A model not in the formset's queryset.
|
|
'form-1-name': 'Changed name',
|
|
}
|
|
# This formset is only for Walt Whitman and shouldn't accept data for
|
|
# other_author.
|
|
formset = AuthorFormSet(data=data, queryset=Author.objects.filter(id__in=(author.id,)))
|
|
self.assertTrue(formset.is_valid())
|
|
formset.save()
|
|
# The name of other_author shouldn't be changed and new models aren't
|
|
# created.
|
|
self.assertQuerysetEqual(Author.objects.all(), ['<Author: Charles>', '<Author: Walt>'])
|
|
|
|
def test_validation_without_id(self):
|
|
AuthorFormSet = modelformset_factory(Author, fields='__all__')
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '1',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-name': 'Charles',
|
|
}
|
|
formset = AuthorFormSet(data)
|
|
self.assertEqual(
|
|
formset.errors,
|
|
[{'id': ['This field is required.']}],
|
|
)
|
|
|
|
def test_validation_with_child_model_without_id(self):
|
|
BetterAuthorFormSet = modelformset_factory(BetterAuthor, fields='__all__')
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '1',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-name': 'Charles',
|
|
'form-0-write_speed': '10',
|
|
}
|
|
formset = BetterAuthorFormSet(data)
|
|
self.assertEqual(
|
|
formset.errors,
|
|
[{'author_ptr': ['This field is required.']}],
|
|
)
|
|
|
|
def test_validation_with_invalid_id(self):
|
|
AuthorFormSet = modelformset_factory(Author, fields='__all__')
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '1',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-id': 'abc',
|
|
'form-0-name': 'Charles',
|
|
}
|
|
formset = AuthorFormSet(data)
|
|
self.assertEqual(
|
|
formset.errors,
|
|
[{'id': ['Select a valid choice. That choice is not one of the available choices.']}],
|
|
)
|
|
|
|
def test_validation_with_nonexistent_id(self):
|
|
AuthorFormSet = modelformset_factory(Author, fields='__all__')
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '1',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-id': '12345',
|
|
'form-0-name': 'Charles',
|
|
}
|
|
formset = AuthorFormSet(data)
|
|
self.assertEqual(
|
|
formset.errors,
|
|
[{'id': ['Select a valid choice. That choice is not one of the available choices.']}],
|
|
)
|
|
|
|
def test_initial_form_count_empty_data_raises_validation_error(self):
|
|
AuthorFormSet = modelformset_factory(Author, fields='__all__')
|
|
msg = 'ManagementForm data is missing or has been tampered with'
|
|
with self.assertRaisesMessage(ValidationError, msg):
|
|
AuthorFormSet({}).initial_form_count()
|
|
|
|
|
|
class TestModelFormsetOverridesTroughFormMeta(TestCase):
|
|
def test_modelformset_factory_widgets(self):
|
|
widgets = {
|
|
'name': forms.TextInput(attrs={'class': 'poet'})
|
|
}
|
|
PoetFormSet = modelformset_factory(Poet, fields="__all__", widgets=widgets)
|
|
form = PoetFormSet.form()
|
|
self.assertHTMLEqual(
|
|
str(form['name']),
|
|
'<input id="id_name" maxlength="100" type="text" class="poet" name="name" required>'
|
|
)
|
|
|
|
def test_inlineformset_factory_widgets(self):
|
|
widgets = {
|
|
'title': forms.TextInput(attrs={'class': 'book'})
|
|
}
|
|
BookFormSet = inlineformset_factory(Author, Book, widgets=widgets, fields="__all__")
|
|
form = BookFormSet.form()
|
|
self.assertHTMLEqual(
|
|
str(form['title']),
|
|
'<input class="book" id="id_title" maxlength="100" name="title" type="text" required>'
|
|
)
|
|
|
|
def test_modelformset_factory_labels_overrides(self):
|
|
BookFormSet = modelformset_factory(Book, fields="__all__", labels={
|
|
'title': 'Name'
|
|
})
|
|
form = BookFormSet.form()
|
|
self.assertHTMLEqual(form['title'].label_tag(), '<label for="id_title">Name:</label>')
|
|
|
|
def test_inlineformset_factory_labels_overrides(self):
|
|
BookFormSet = inlineformset_factory(Author, Book, fields="__all__", labels={
|
|
'title': 'Name'
|
|
})
|
|
form = BookFormSet.form()
|
|
self.assertHTMLEqual(form['title'].label_tag(), '<label for="id_title">Name:</label>')
|
|
|
|
def test_modelformset_factory_help_text_overrides(self):
|
|
BookFormSet = modelformset_factory(Book, fields="__all__", help_texts={
|
|
'title': 'Choose carefully.'
|
|
})
|
|
form = BookFormSet.form()
|
|
self.assertEqual(form['title'].help_text, 'Choose carefully.')
|
|
|
|
def test_inlineformset_factory_help_text_overrides(self):
|
|
BookFormSet = inlineformset_factory(Author, Book, fields="__all__", help_texts={
|
|
'title': 'Choose carefully.'
|
|
})
|
|
form = BookFormSet.form()
|
|
self.assertEqual(form['title'].help_text, 'Choose carefully.')
|
|
|
|
def test_modelformset_factory_error_messages_overrides(self):
|
|
author = Author.objects.create(pk=1, name='Charles Baudelaire')
|
|
BookFormSet = modelformset_factory(Book, fields="__all__", error_messages={
|
|
'title': {
|
|
'max_length': 'Title too long!!'
|
|
}
|
|
})
|
|
form = BookFormSet.form(data={'title': 'Foo ' * 30, 'author': author.id})
|
|
form.full_clean()
|
|
self.assertEqual(form.errors, {'title': ['Title too long!!']})
|
|
|
|
def test_inlineformset_factory_error_messages_overrides(self):
|
|
author = Author.objects.create(pk=1, name='Charles Baudelaire')
|
|
BookFormSet = inlineformset_factory(Author, Book, fields="__all__", error_messages={
|
|
'title': {
|
|
'max_length': 'Title too long!!'
|
|
}
|
|
})
|
|
form = BookFormSet.form(data={'title': 'Foo ' * 30, 'author': author.id})
|
|
form.full_clean()
|
|
self.assertEqual(form.errors, {'title': ['Title too long!!']})
|
|
|
|
def test_modelformset_factory_field_class_overrides(self):
|
|
author = Author.objects.create(pk=1, name='Charles Baudelaire')
|
|
BookFormSet = modelformset_factory(Book, fields="__all__", field_classes={
|
|
'title': forms.SlugField,
|
|
})
|
|
form = BookFormSet.form(data={'title': 'Foo ' * 30, 'author': author.id})
|
|
self.assertIs(Book._meta.get_field('title').__class__, models.CharField)
|
|
self.assertIsInstance(form.fields['title'], forms.SlugField)
|
|
|
|
def test_inlineformset_factory_field_class_overrides(self):
|
|
author = Author.objects.create(pk=1, name='Charles Baudelaire')
|
|
BookFormSet = inlineformset_factory(Author, Book, fields="__all__", field_classes={
|
|
'title': forms.SlugField,
|
|
})
|
|
form = BookFormSet.form(data={'title': 'Foo ' * 30, 'author': author.id})
|
|
self.assertIs(Book._meta.get_field('title').__class__, models.CharField)
|
|
self.assertIsInstance(form.fields['title'], forms.SlugField)
|