def test_more_initial_than_max_num(self):
# More initial forms than max_num will result in only the first max_num of
# them to be displayed with no extra forms.
initial = [
{'name': 'Gin Tonic'},
{'name': 'Bloody Mary'},
{'name': 'Jack and Coke'},
]
LimitedFavoriteDrinkFormSet = formset_factory(FavoriteDrinkForm, extra=1, max_num=2)
formset = LimitedFavoriteDrinkFormSet(initial=initial)
form_output = []
for form in formset.forms:
form_output.append(str(form))
self.assertHTMLEqual('\n'.join(form_output), """<tr><th><label for="id_form-0-name">Name:</label></th><td><input type="text" name="form-0-name" value="Gin Tonic" id="id_form-0-name" /></td></tr>
<tr><th><label for="id_form-1-name">Name:</label></th><td><input type="text" name="form-1-name" value="Bloody Mary" id="id_form-1-name" /></td></tr>""")
# One form from initial and extra=3 with max_num=2 should result in the one
# initial form and one extra.
initial = [
{'name': 'Gin Tonic'},
]
LimitedFavoriteDrinkFormSet = formset_factory(FavoriteDrinkForm, extra=3, max_num=2)
formset = LimitedFavoriteDrinkFormSet(initial=initial)
form_output = []
for form in formset.forms:
form_output.append(str(form))
self.assertHTMLEqual('\n'.join(form_output), """<tr><th><label for="id_form-0-name">Name:</label></th><td><input type="text" name="form-0-name" value="Gin Tonic" id="id_form-0-name" /></td></tr>
<tr><th><label for="id_form-1-name">Name:</label></th><td><input type="text" name="form-1-name" id="id_form-1-name" /></td></tr>""")
def test_formset_iteration(self):
# Regression tests for #16455 -- formset instances are iterable
ChoiceFormset = formset_factory(Choice, extra=3)
formset = ChoiceFormset()
# confirm iterated formset yields formset.forms
forms = list(formset)
self.assertEqual(forms, formset.forms)
self.assertEqual(len(formset), len(forms))
# confirm indexing of formset
self.assertEqual(formset[0], forms[0])
try:
formset[3]
self.fail('Requesting an invalid formset index should raise an exception')
except IndexError:
pass
# Formets can override the default iteration order
class BaseReverseFormSet(BaseFormSet):
def __iter__(self):
return reversed(self.forms)
def __getitem__(self, idx):
return super(BaseReverseFormSet, self).__getitem__(len(self) - idx - 1)
ReverseChoiceFormset = formset_factory(Choice, BaseReverseFormSet, extra=3)
reverse_formset = ReverseChoiceFormset()
# confirm that __iter__ modifies rendering order
# compare forms from "reverse" formset with forms from original formset
self.assertEqual(str(reverse_formset[0]), str(forms[-1]))
self.assertEqual(str(reverse_formset[1]), str(forms[-2]))
self.assertEqual(len(reverse_formset), len(forms))
def test_limiting_max_forms(self):
# Limiting the maximum number of forms ########################################
# Base case for max_num.
# When not passed, max_num will take its default value of None, i.e. unlimited
# number of forms, only controlled by the value of the extra parameter.
LimitedFavoriteDrinkFormSet = formset_factory(FavoriteDrinkForm, extra=3)
formset = LimitedFavoriteDrinkFormSet()
form_output = []
for form in formset.forms:
form_output.append(str(form))
self.assertHTMLEqual('\n'.join(form_output), """<tr><th><label for="id_form-0-name">Name:</label></th><td><input type="text" name="form-0-name" id="id_form-0-name" /></td></tr>
<tr><th><label for="id_form-1-name">Name:</label></th><td><input type="text" name="form-1-name" id="id_form-1-name" /></td></tr>
<tr><th><label for="id_form-2-name">Name:</label></th><td><input type="text" name="form-2-name" id="id_form-2-name" /></td></tr>""")
# If max_num is 0 then no form is rendered at all.
LimitedFavoriteDrinkFormSet = formset_factory(FavoriteDrinkForm, extra=3, max_num=0)
formset = LimitedFavoriteDrinkFormSet()
form_output = []
for form in formset.forms:
form_output.append(str(form))
self.assertEqual('\n'.join(form_output), "")
LimitedFavoriteDrinkFormSet = formset_factory(FavoriteDrinkForm, extra=5, max_num=2)
formset = LimitedFavoriteDrinkFormSet()
form_output = []
for form in formset.forms:
form_output.append(str(form))
self.assertHTMLEqual('\n'.join(form_output), """<tr><th><label for="id_form-0-name">Name:</label></th><td><input type="text" name="form-0-name" id="id_form-0-name" /></td></tr>
<tr><th><label for="id_form-1-name">Name:</label></th><td><input type="text" name="form-1-name" id="id_form-1-name" /></td></tr>""")
# Ensure that max_num has no effect when extra is less than max_num.
LimitedFavoriteDrinkFormSet = formset_factory(FavoriteDrinkForm, extra=1, max_num=2)
formset = LimitedFavoriteDrinkFormSet()
form_output = []
for form in formset.forms:
form_output.append(str(form))
self.assertHTMLEqual('\n'.join(form_output), """<tr><th><label for="id_form-0-name">Name:</label></th><td><input type="text" name="form-0-name" id="id_form-0-name" /></td></tr>""")
def test_formset_nonzero(self):
"""
Formsets with no forms should still evaluate as true.
Regression test for #15722
"""
ChoiceFormset = formset_factory(Choice, extra=0)
formset = ChoiceFormset()
self.assertEqual(len(formset.forms), 0)
self.assertTrue(formset)
def test_formsets_with_ordering(self):
# FormSets with ordering ######################################################
# We can also add ordering ability to a FormSet with an argument to
# formset_factory. This will add a integer field to each form instance. When
# form validation succeeds, [form.cleaned_data for form in formset.forms] will have the data in the correct
# order specified by the ordering fields. If a number is duplicated in the set
# of ordering fields, for instance form 0 and form 3 are both marked as 1, then
# the form index used as a secondary ordering criteria. In order to put
# something at the front of the list, you'd need to set it's order to 0.
ChoiceFormSet = formset_factory(Choice, can_order=True)
initial = [{'choice': 'Calexico', 'votes': 100}, {'choice': 'Fergie', 'votes': 900}]
formset = ChoiceFormSet(initial=initial, auto_id=False, prefix='choices')
form_output = []
for form in formset.forms:
form_output.append(form.as_ul())
self.assertHTMLEqual('\n'.join(form_output), """<li>Choice: <input type="text" name="choices-0-choice" value="Calexico" /></li>
<li>Votes: <input type="text" name="choices-0-votes" value="100" /></li>
<li>Order: <input type="text" name="choices-0-ORDER" value="1" /></li>
<li>Choice: <input type="text" name="choices-1-choice" value="Fergie" /></li>
<li>Votes: <input type="text" name="choices-1-votes" value="900" /></li>
<li>Order: <input type="text" name="choices-1-ORDER" value="2" /></li>
<li>Choice: <input type="text" name="choices-2-choice" /></li>
<li>Votes: <input type="text" name="choices-2-votes" /></li>
<li>Order: <input type="text" name="choices-2-ORDER" /></li>""")
data = {
'choices-TOTAL_FORMS': '3', # the number of forms rendered
'choices-INITIAL_FORMS': '2', # the number of forms with initial data
'choices-MAX_NUM_FORMS': '0', # max number of forms
'choices-0-choice': 'Calexico',
'choices-0-votes': '100',
'choices-0-ORDER': '1',
'choices-1-choice': 'Fergie',
'choices-1-votes': '900',
'choices-1-ORDER': '2',
'choices-2-choice': 'The Decemberists',
'choices-2-votes': '500',
'choices-2-ORDER': '0',
}
formset = ChoiceFormSet(data, auto_id=False, prefix='choices')
self.assertTrue(formset.is_valid())
form_output = []
for form in formset.ordered_forms:
form_output.append(form.cleaned_data)
self.assertEqual(form_output, [
{'votes': 500, 'ORDER': 0, 'choice': 'The Decemberists'},
{'votes': 100, 'ORDER': 1, 'choice': 'Calexico'},
{'votes': 900, 'ORDER': 2, 'choice': 'Fergie'},
])
def modelformset_factory(model, form=ModelForm, formfield_callback=None,
formset=BaseModelFormSet,
extra=1, can_delete=False, can_order=False,
max_num=None, fields=None, exclude=None):
"""
Returns a FormSet class for the given Django model class.
"""
form = modelform_factory(model, form=form, fields=fields, exclude=exclude,
formfield_callback=formfield_callback)
FormSet = formset_factory(form, formset, extra=extra, max_num=max_num,
can_order=can_order, can_delete=can_delete)
FormSet.model = model
return FormSet
def test_max_num_zero(self):
# If max_num is 0 then no form is rendered at all, even if extra and initial
# are specified.
initial = [
{'name': 'Fernet and Coke'},
{'name': 'Bloody Mary'},
]
LimitedFavoriteDrinkFormSet = formset_factory(FavoriteDrinkForm, extra=1, max_num=0)
formset = LimitedFavoriteDrinkFormSet(initial=initial)
form_output = []
for form in formset.forms:
form_output.append(str(form))
self.assertEqual('\n'.join(form_output), "")
def test_ordering_blank_fieldsets(self):
# Ordering should work with blank fieldsets.
data = {
'choices-TOTAL_FORMS': '3', # the number of forms rendered
'choices-INITIAL_FORMS': '0', # the number of forms with initial data
'choices-MAX_NUM_FORMS': '0', # max number of forms
}
ChoiceFormSet = formset_factory(Choice, can_order=True)
formset = ChoiceFormSet(data, auto_id=False, prefix='choices')
self.assertTrue(formset.is_valid())
form_output = []
for form in formset.ordered_forms:
form_output.append(form.cleaned_data)
self.assertEqual(form_output, [])
def test_single_form_completed(self):
# We can just fill out one of the forms.
data = {
'choices-TOTAL_FORMS': '3', # the number of forms rendered
'choices-INITIAL_FORMS': '0', # the number of forms with initial data
'choices-MAX_NUM_FORMS': '0', # max number of forms
'choices-0-choice': 'Calexico',
'choices-0-votes': '100',
'choices-1-choice': '',
'choices-1-votes': '',
'choices-2-choice': '',
'choices-2-votes': '',
}
ChoiceFormSet = formset_factory(Choice, extra=3)
formset = ChoiceFormSet(data, auto_id=False, prefix='choices')
self.assertTrue(formset.is_valid())
self.assertEqual([form.cleaned_data for form in formset.forms], [{'votes': 100, 'choice': 'Calexico'}, {}, {}])
def test_max_num_with_initial_data(self):
# max_num with initial data
# When not passed, max_num will take its default value of None, i.e. unlimited
# number of forms, only controlled by the values of the initial and extra
# parameters.
initial = [
{'name': 'Fernet and Coke'},
]
LimitedFavoriteDrinkFormSet = formset_factory(FavoriteDrinkForm, extra=1)
formset = LimitedFavoriteDrinkFormSet(initial=initial)
form_output = []
for form in formset.forms:
form_output.append(str(form))
self.assertHTMLEqual('\n'.join(form_output), """<tr><th><label for="id_form-0-name">Name:</label></th><td><input type="text" name="form-0-name" value="Fernet and Coke" id="id_form-0-name" /></td></tr>
<tr><th><label for="id_form-1-name">Name:</label></th><td><input type="text" name="form-1-name" id="id_form-1-name" /></td></tr>""")
def test_invalid_deleted_form_with_ordering(self):
# Should be able to get ordered forms from a valid formset even if a
# deleted form would have been invalid.
class Person(Form):
name = CharField()
PeopleForm = formset_factory(form=Person, can_delete=True, can_order=True)
p = PeopleForm({
'form-0-name': '',
'form-0-DELETE': 'on', # no name!
'form-TOTAL_FORMS': 1,
'form-INITIAL_FORMS': 1,
'form-MAX_NUM_FORMS': 1
})
self.assertTrue(p.is_valid())
self.assertEqual(p.ordered_forms, [])
def test_second_form_partially_filled_2(self):
# And once again, if we try to partially complete a form, validation will fail.
data = {
'choices-TOTAL_FORMS': '3', # the number of forms rendered
'choices-INITIAL_FORMS': '0', # the number of forms with initial data
'choices-MAX_NUM_FORMS': '0', # max number of forms
'choices-0-choice': 'Calexico',
'choices-0-votes': '100',
'choices-1-choice': 'The Decemberists',
'choices-1-votes': '', # missing value
'choices-2-choice': '',
'choices-2-votes': '',
}
ChoiceFormSet = formset_factory(Choice, extra=3)
formset = ChoiceFormSet(data, auto_id=False, prefix='choices')
self.assertFalse(formset.is_valid())
self.assertEqual(formset.errors, [{}, {'votes': ['This field is required.']}, {}])
def test_displaying_more_than_one_blank_form(self):
# Displaying more than 1 blank form ###########################################
# We can also display more than 1 empty form at a time. To do so, pass a
# extra argument to formset_factory.
ChoiceFormSet = formset_factory(Choice, extra=3)
formset = ChoiceFormSet(auto_id=False, prefix='choices')
form_output = []
for form in formset.forms:
form_output.append(form.as_ul())
self.assertHTMLEqual('\n'.join(form_output), """<li>Choice: <input type="text" name="choices-0-choice" /></li>
<li>Votes: <input type="text" name="choices-0-votes" /></li>
<li>Choice: <input type="text" name="choices-1-choice" /></li>
<li>Votes: <input type="text" name="choices-1-votes" /></li>
<li>Choice: <input type="text" name="choices-2-choice" /></li>
<li>Votes: <input type="text" name="choices-2-votes" /></li>""")
# Since we displayed every form as blank, we will also accept them back as blank.
# This may seem a little strange, but later we will show how to require a minimum
# number of forms to be completed.
data = {
'choices-TOTAL_FORMS': '3', # the number of forms rendered
'choices-INITIAL_FORMS': '0', # the number of forms with initial data
'choices-MAX_NUM_FORMS': '0', # max number of forms
'choices-0-choice': '',
'choices-0-votes': '',
'choices-1-choice': '',
'choices-1-votes': '',
'choices-2-choice': '',
'choices-2-votes': '',
}
formset = ChoiceFormSet(data, auto_id=False, prefix='choices')
self.assertTrue(formset.is_valid())
self.assertEqual([form.cleaned_data for form in formset.forms], [{}, {}, {}])
def test_more_initial_data(self):
# The extra argument also works when the formset is pre-filled with initial
# data.
data = {
'choices-TOTAL_FORMS': '3', # the number of forms rendered
'choices-INITIAL_FORMS': '0', # the number of forms with initial data
'choices-MAX_NUM_FORMS': '0', # max number of forms
'choices-0-choice': 'Calexico',
'choices-0-votes': '100',
'choices-1-choice': '',
'choices-1-votes': '', # missing value
'choices-2-choice': '',
'choices-2-votes': '',
}
initial = [{'choice': 'Calexico', 'votes': 100}]
ChoiceFormSet = formset_factory(Choice, extra=3)
formset = ChoiceFormSet(initial=initial, auto_id=False, prefix='choices')
form_output = []
for form in formset.forms:
form_output.append(form.as_ul())
self.assertHTMLEqual('\n'.join(form_output), """<li>Choice: <input type="text" name="choices-0-choice" value="Calexico" /></li>
<li>Votes: <input type="text" name="choices-0-votes" value="100" /></li>
<li>Choice: <input type="text" name="choices-1-choice" /></li>
<li>Votes: <input type="text" name="choices-1-votes" /></li>
<li>Choice: <input type="text" name="choices-2-choice" /></li>
<li>Votes: <input type="text" name="choices-2-votes" /></li>
<li>Choice: <input type="text" name="choices-3-choice" /></li>
<li>Votes: <input type="text" name="choices-3-votes" /></li>""")
# Make sure retrieving an empty form works, and it shows up in the form list
self.assertTrue(formset.empty_form.empty_permitted)
self.assertHTMLEqual(formset.empty_form.as_ul(), """<li>Choice: <input type="text" name="choices-__prefix__-choice" /></li>
<li>Votes: <input type="text" name="choices-__prefix__-votes" /></li>""")
def test_empty_ordered_fields(self):
# Ordering fields are allowed to be left blank, and if they *are* left blank,
# they will be sorted below everything else.
data = {
'choices-TOTAL_FORMS': '4', # the number of forms rendered
'choices-INITIAL_FORMS': '3', # the number of forms with initial data
'choices-MAX_NUM_FORMS': '0', # max number of forms
'choices-0-choice': 'Calexico',
'choices-0-votes': '100',
'choices-0-ORDER': '1',
'choices-1-choice': 'Fergie',
'choices-1-votes': '900',
'choices-1-ORDER': '2',
'choices-2-choice': 'The Decemberists',
'choices-2-votes': '500',
'choices-2-ORDER': '',
'choices-3-choice': 'Basia Bulat',
'choices-3-votes': '50',
'choices-3-ORDER': '',
}
ChoiceFormSet = formset_factory(Choice, can_order=True)
formset = ChoiceFormSet(data, auto_id=False, prefix='choices')
self.assertTrue(formset.is_valid())
form_output = []
for form in formset.ordered_forms:
form_output.append(form.cleaned_data)
self.assertEqual(form_output, [
{'votes': 100, 'ORDER': 1, 'choice': 'Calexico'},
{'votes': 900, 'ORDER': 2, 'choice': 'Fergie'},
{'votes': 500, 'ORDER': None, 'choice': 'The Decemberists'},
{'votes': 50, 'ORDER': None, 'choice': 'Basia Bulat'},
])
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from djangocg.forms import Form, CharField, IntegerField, ValidationError, DateField
from djangocg.forms.formsets import formset_factory, BaseFormSet
from djangocg.test import TestCase
class Choice(Form):
choice = CharField()
votes = IntegerField()
# FormSet allows us to use multiple instance of the same form on 1 page. For now,
# the best way to create a FormSet is by using the formset_factory function.
ChoiceFormSet = formset_factory(Choice)
class FavoriteDrinkForm(Form):
name = CharField()
class BaseFavoriteDrinksFormSet(BaseFormSet):
def clean(self):
seen_drinks = []
for drink in self.cleaned_data:
if drink['name'] in seen_drinks:
raise ValidationError('You may only specify a drink once.')
seen_drinks.append(drink['name'])
def test_formset_with_ordering_and_deletion(self):
# FormSets with ordering + deletion ###########################################
# Let's try throwing ordering and deletion into the same form.
ChoiceFormSet = formset_factory(Choice, can_order=True, can_delete=True)
initial = [
{'choice': 'Calexico', 'votes': 100},
{'choice': 'Fergie', 'votes': 900},
{'choice': 'The Decemberists', 'votes': 500},
]
formset = ChoiceFormSet(initial=initial, auto_id=False, prefix='choices')
form_output = []
for form in formset.forms:
form_output.append(form.as_ul())
self.assertHTMLEqual('\n'.join(form_output), """<li>Choice: <input type="text" name="choices-0-choice" value="Calexico" /></li>
<li>Votes: <input type="text" name="choices-0-votes" value="100" /></li>
<li>Order: <input type="text" name="choices-0-ORDER" value="1" /></li>
<li>Delete: <input type="checkbox" name="choices-0-DELETE" /></li>
<li>Choice: <input type="text" name="choices-1-choice" value="Fergie" /></li>
<li>Votes: <input type="text" name="choices-1-votes" value="900" /></li>
<li>Order: <input type="text" name="choices-1-ORDER" value="2" /></li>
<li>Delete: <input type="checkbox" name="choices-1-DELETE" /></li>
<li>Choice: <input type="text" name="choices-2-choice" value="The Decemberists" /></li>
<li>Votes: <input type="text" name="choices-2-votes" value="500" /></li>
<li>Order: <input type="text" name="choices-2-ORDER" value="3" /></li>
<li>Delete: <input type="checkbox" name="choices-2-DELETE" /></li>
<li>Choice: <input type="text" name="choices-3-choice" /></li>
<li>Votes: <input type="text" name="choices-3-votes" /></li>
<li>Order: <input type="text" name="choices-3-ORDER" /></li>
<li>Delete: <input type="checkbox" name="choices-3-DELETE" /></li>""")
# Let's delete Fergie, and put The Decemberists ahead of Calexico.
data = {
'choices-TOTAL_FORMS': '4', # the number of forms rendered
'choices-INITIAL_FORMS': '3', # the number of forms with initial data
'choices-MAX_NUM_FORMS': '0', # max number of forms
'choices-0-choice': 'Calexico',
'choices-0-votes': '100',
'choices-0-ORDER': '1',
'choices-0-DELETE': '',
'choices-1-choice': 'Fergie',
'choices-1-votes': '900',
'choices-1-ORDER': '2',
'choices-1-DELETE': 'on',
'choices-2-choice': 'The Decemberists',
'choices-2-votes': '500',
'choices-2-ORDER': '0',
'choices-2-DELETE': '',
'choices-3-choice': '',
'choices-3-votes': '',
'choices-3-ORDER': '',
'choices-3-DELETE': '',
}
formset = ChoiceFormSet(data, auto_id=False, prefix='choices')
self.assertTrue(formset.is_valid())
form_output = []
for form in formset.ordered_forms:
form_output.append(form.cleaned_data)
self.assertEqual(form_output, [
{'votes': 500, 'DELETE': False, 'ORDER': 0, 'choice': 'The Decemberists'},
{'votes': 100, 'DELETE': False, 'ORDER': 1, 'choice': 'Calexico'},
])
self.assertEqual([form.cleaned_data for form in formset.deleted_forms], [{'votes': 900, 'DELETE': True, 'ORDER': 2, 'choice': 'Fergie'}])
def test_formset_with_deletion(self):
# FormSets with deletion ######################################################
# We can easily add deletion ability to a FormSet with an argument to
# formset_factory. This will add a boolean field to each form instance. When
# that boolean field is True, the form will be in formset.deleted_forms
ChoiceFormSet = formset_factory(Choice, can_delete=True)
initial = [{'choice': 'Calexico', 'votes': 100}, {'choice': 'Fergie', 'votes': 900}]
formset = ChoiceFormSet(initial=initial, auto_id=False, prefix='choices')
form_output = []
for form in formset.forms:
form_output.append(form.as_ul())
self.assertHTMLEqual('\n'.join(form_output), """<li>Choice: <input type="text" name="choices-0-choice" value="Calexico" /></li>
<li>Votes: <input type="text" name="choices-0-votes" value="100" /></li>
<li>Delete: <input type="checkbox" name="choices-0-DELETE" /></li>
<li>Choice: <input type="text" name="choices-1-choice" value="Fergie" /></li>
<li>Votes: <input type="text" name="choices-1-votes" value="900" /></li>
<li>Delete: <input type="checkbox" name="choices-1-DELETE" /></li>
<li>Choice: <input type="text" name="choices-2-choice" /></li>
<li>Votes: <input type="text" name="choices-2-votes" /></li>
<li>Delete: <input type="checkbox" name="choices-2-DELETE" /></li>""")
# To delete something, we just need to set that form's special delete field to
# 'on'. Let's go ahead and delete Fergie.
data = {
'choices-TOTAL_FORMS': '3', # the number of forms rendered
'choices-INITIAL_FORMS': '2', # the number of forms with initial data
'choices-MAX_NUM_FORMS': '0', # max number of forms
'choices-0-choice': 'Calexico',
'choices-0-votes': '100',
'choices-0-DELETE': '',
'choices-1-choice': 'Fergie',
'choices-1-votes': '900',
'choices-1-DELETE': 'on',
'choices-2-choice': '',
'choices-2-votes': '',
'choices-2-DELETE': '',
}
formset = ChoiceFormSet(data, auto_id=False, prefix='choices')
self.assertTrue(formset.is_valid())
self.assertEqual([form.cleaned_data for form in formset.forms], [{'votes': 100, 'DELETE': False, 'choice': 'Calexico'}, {'votes': 900, 'DELETE': True, 'choice': 'Fergie'}, {}])
self.assertEqual([form.cleaned_data for form in formset.deleted_forms], [{'votes': 900, 'DELETE': True, 'choice': 'Fergie'}])
# If we fill a form with something and then we check the can_delete checkbox for
# that form, that form's errors should not make the entire formset invalid since
# it's going to be deleted.
class CheckForm(Form):
field = IntegerField(min_value=100)
data = {
'check-TOTAL_FORMS': '3', # the number of forms rendered
'check-INITIAL_FORMS': '2', # the number of forms with initial data
'check-MAX_NUM_FORMS': '0', # max number of forms
'check-0-field': '200',
'check-0-DELETE': '',
'check-1-field': '50',
'check-1-DELETE': 'on',
'check-2-field': '',
'check-2-DELETE': '',
}
CheckFormSet = formset_factory(CheckForm, can_delete=True)
formset = CheckFormSet(data, prefix='check')
self.assertTrue(formset.is_valid())
# If we remove the deletion flag now we will have our validation back.
data['check-1-DELETE'] = ''
formset = CheckFormSet(data, prefix='check')
self.assertFalse(formset.is_valid())
# Should be able to get deleted_forms from a valid formset even if a
# deleted form would have been invalid.
class Person(Form):
name = CharField()
PeopleForm = formset_factory(
form=Person,
can_delete=True)
p = PeopleForm(
{'form-0-name': '', 'form-0-DELETE': 'on', # no name!
'form-TOTAL_FORMS': 1, 'form-INITIAL_FORMS': 1,
'form-MAX_NUM_FORMS': 1})
self.assertTrue(p.is_valid())
self.assertEqual(len(p.deleted_forms), 1)
def test_empty_formset_is_valid(self):
EmptyFsetWontValidateFormset = formset_factory(FavoriteDrinkForm, extra=0, formset=EmptyFsetWontValidate)
formset = EmptyFsetWontValidateFormset(data={'form-INITIAL_FORMS':'0', 'form-TOTAL_FORMS':'0'},prefix="form")
formset2 = EmptyFsetWontValidateFormset(data={'form-INITIAL_FORMS':'0', 'form-TOTAL_FORMS':'1', 'form-0-name':'bah' },prefix="form")
self.assertFalse(formset.is_valid())
self.assertFalse(formset2.is_valid())
temp_storage = FileSystemStorage(location=temp_storage_location)
class Page1(forms.Form):
name = forms.CharField(max_length=100)
user = forms.ModelChoiceField(queryset=User.objects.all())
thirsty = forms.NullBooleanField()
class Page2(forms.Form):
address1 = forms.CharField(max_length=100)
address2 = forms.CharField(max_length=100)
file1 = forms.FileField()
class Page3(forms.Form):
random_crap = forms.CharField(max_length=100)
Page4 = formset_factory(Page3, extra=2)
class ContactWizard(NamedUrlWizardView):
file_storage = temp_storage
def done(self, form_list, **kwargs):
c = Context({
'form_list': [x.cleaned_data for x in form_list],
'all_cleaned_data': self.get_all_cleaned_data()
})
for form in self.form_list.keys():
c[form] = self.get_cleaned_data_for_step(form)
c['this_will_fail'] = self.get_cleaned_data_for_step('this_will_fail')
return HttpResponse(Template('').render(c))
