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# -*- coding: utf-8 -*-
import datetime
from django.core.files.uploadedfile import SimpleUploadedFile
from django.forms import Form, ModelForm, FileField, ModelChoiceField
from django.test import TestCase
from regressiontests.forms.models import ChoiceModel, ChoiceOptionModel, ChoiceFieldModel, FileModel, Group, BoundaryModel, Defaults
class ChoiceFieldForm(ModelForm):
class Meta:
model = ChoiceFieldModel
class FileForm(Form):
file1 = FileField()
class TestTicket12510(TestCase):
''' It is not necessary to generate choices for ModelChoiceField (regression test for #12510). '''
def setUp(self):
self.groups = [Group.objects.create(name=name) for name in 'abc']
def test_choices_not_fetched_when_not_rendering(self):
def test():
field = ModelChoiceField(Group.objects.order_by('-name'))
self.assertEqual('a', field.clean(self.groups[0].pk).name)
# only one query is required to pull the model from DB
self.assertNumQueries(1, test)
class ModelFormCallableModelDefault(TestCase):
def test_no_empty_option(self):
"If a model's ForeignKey has blank=False and a default, no empty option is created (Refs #10792)."
option = ChoiceOptionModel.objects.create(name='default')
choices = list(ChoiceFieldForm().fields['choice'].choices)
self.assertEqual(len(choices), 1)
self.assertEqual(choices[0], (option.pk, unicode(option)))
def test_callable_initial_value(self):
"The initial value for a callable default returning a queryset is the pk (refs #13769)"
obj1 = ChoiceOptionModel.objects.create(id=1, name='default')
obj2 = ChoiceOptionModel.objects.create(id=2, name='option 2')
obj3 = ChoiceOptionModel.objects.create(id=3, name='option 3')
self.assertEqual(ChoiceFieldForm().as_p(), """<p><label for="id_choice">Choice:</label> <select name="choice" id="id_choice">
<option value="1" selected="selected">ChoiceOption 1</option>
<option value="2">ChoiceOption 2</option>
<option value="3">ChoiceOption 3</option>
</select><input type="hidden" name="initial-choice" value="1" id="initial-id_choice" /></p>
<p><label for="id_choice_int">Choice int:</label> <select name="choice_int" id="id_choice_int">
<option value="1" selected="selected">ChoiceOption 1</option>
<option value="2">ChoiceOption 2</option>
<option value="3">ChoiceOption 3</option>
</select><input type="hidden" name="initial-choice_int" value="1" id="initial-id_choice_int" /></p>
<p><label for="id_multi_choice">Multi choice:</label> <select multiple="multiple" name="multi_choice" id="id_multi_choice">
<option value="1" selected="selected">ChoiceOption 1</option>
<option value="2">ChoiceOption 2</option>
<option value="3">ChoiceOption 3</option>
</select><input type="hidden" name="initial-multi_choice" value="1" id="initial-id_multi_choice_0" /> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></p>
<p><label for="id_multi_choice_int">Multi choice int:</label> <select multiple="multiple" name="multi_choice_int" id="id_multi_choice_int">
<option value="1" selected="selected">ChoiceOption 1</option>
<option value="2">ChoiceOption 2</option>
<option value="3">ChoiceOption 3</option>
</select><input type="hidden" name="initial-multi_choice_int" value="1" id="initial-id_multi_choice_int_0" /> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></p>""")
def test_initial_instance_value(self):
"Initial instances for model fields may also be instances (refs #7287)"
obj1 = ChoiceOptionModel.objects.create(id=1, name='default')
obj2 = ChoiceOptionModel.objects.create(id=2, name='option 2')
obj3 = ChoiceOptionModel.objects.create(id=3, name='option 3')
self.assertEqual(ChoiceFieldForm(initial={
'choice': obj2,
'choice_int': obj2,
'multi_choice': [obj2,obj3],
'multi_choice_int': ChoiceOptionModel.objects.exclude(name="default"),
}).as_p(), """<p><label for="id_choice">Choice:</label> <select name="choice" id="id_choice">
<option value="1">ChoiceOption 1</option>
<option value="2" selected="selected">ChoiceOption 2</option>
<option value="3">ChoiceOption 3</option>
</select><input type="hidden" name="initial-choice" value="2" id="initial-id_choice" /></p>
<p><label for="id_choice_int">Choice int:</label> <select name="choice_int" id="id_choice_int">
<option value="1">ChoiceOption 1</option>
<option value="2" selected="selected">ChoiceOption 2</option>
<option value="3">ChoiceOption 3</option>
</select><input type="hidden" name="initial-choice_int" value="2" id="initial-id_choice_int" /></p>
<p><label for="id_multi_choice">Multi choice:</label> <select multiple="multiple" name="multi_choice" id="id_multi_choice">
<option value="1">ChoiceOption 1</option>
<option value="2" selected="selected">ChoiceOption 2</option>
<option value="3" selected="selected">ChoiceOption 3</option>
</select><input type="hidden" name="initial-multi_choice" value="2" id="initial-id_multi_choice_0" />
<input type="hidden" name="initial-multi_choice" value="3" id="initial-id_multi_choice_1" /> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></p>
<p><label for="id_multi_choice_int">Multi choice int:</label> <select multiple="multiple" name="multi_choice_int" id="id_multi_choice_int">
<option value="1">ChoiceOption 1</option>
<option value="2" selected="selected">ChoiceOption 2</option>
<option value="3" selected="selected">ChoiceOption 3</option>
</select><input type="hidden" name="initial-multi_choice_int" value="2" id="initial-id_multi_choice_int_0" />
<input type="hidden" name="initial-multi_choice_int" value="3" id="initial-id_multi_choice_int_1" /> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></p>""")
class FormsModelTestCase(TestCase):
def test_unicode_filename(self):
# FileModel with unicode filename and data #########################
f = FileForm(data={}, files={'file1': SimpleUploadedFile('我隻氣墊船裝滿晒鱔.txt', 'मेरी मँडराने वाली नाव सर्पमीनों से भरी ह')}, auto_id=False)
self.assertTrue(f.is_valid())
self.assertTrue('file1' in f.cleaned_data)
m = FileModel.objects.create(file=f.cleaned_data['file1'])
self.assertEqual(m.file.name, u'tests/\u6211\u96bb\u6c23\u588a\u8239\u88dd\u6eff\u6652\u9c54.txt')
m.delete()
def test_boundary_conditions(self):
# Boundary conditions on a PostitiveIntegerField #########################
class BoundaryForm(ModelForm):
class Meta:
model = BoundaryModel
f = BoundaryForm({'positive_integer': 100})
self.assertTrue(f.is_valid())
f = BoundaryForm({'positive_integer': 0})
self.assertTrue(f.is_valid())
f = BoundaryForm({'positive_integer': -100})
self.assertFalse(f.is_valid())
def test_formfield_initial(self):
# Formfield initial values ########
# If the model has default values for some fields, they are used as the formfield
# initial values.
class DefaultsForm(ModelForm):
class Meta:
model = Defaults
self.assertEqual(DefaultsForm().fields['name'].initial, u'class default value')
self.assertEqual(DefaultsForm().fields['def_date'].initial, datetime.date(1980, 1, 1))
self.assertEqual(DefaultsForm().fields['value'].initial, 42)
r1 = DefaultsForm()['callable_default'].as_widget()
r2 = DefaultsForm()['callable_default'].as_widget()
self.assertNotEqual(r1, r2)
# In a ModelForm that is passed an instance, the initial values come from the
# instance's values, not the model's defaults.
foo_instance = Defaults(name=u'instance value', def_date=datetime.date(1969, 4, 4), value=12)
instance_form = DefaultsForm(instance=foo_instance)
self.assertEqual(instance_form.initial['name'], u'instance value')
self.assertEqual(instance_form.initial['def_date'], datetime.date(1969, 4, 4))
self.assertEqual(instance_form.initial['value'], 12)
from django.forms import CharField
class ExcludingForm(ModelForm):
name = CharField(max_length=255)
class Meta:
model = Defaults
exclude = ['name', 'callable_default']
f = ExcludingForm({'name': u'Hello', 'value': 99, 'def_date': datetime.date(1999, 3, 2)})
self.assertTrue(f.is_valid())
self.assertEqual(f.cleaned_data['name'], u'Hello')
obj = f.save()
self.assertEqual(obj.name, u'class default value')
self.assertEqual(obj.value, 99)
self.assertEqual(obj.def_date, datetime.date(1999, 3, 2))
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