django1/tests/forms_tests/tests/test_error_messages.py

273 lines
11 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.core.files.uploadedfile import SimpleUploadedFile
from django.forms import (
BooleanField, CharField, ChoiceField, DateField, DateTimeField,
DecimalField, EmailField, FileField, FloatField, Form,
GenericIPAddressField, IntegerField, ModelChoiceField,
ModelMultipleChoiceField, MultipleChoiceField, RegexField,
SplitDateTimeField, TimeField, URLField, ValidationError, utils,
)
from django.test import SimpleTestCase, TestCase
from django.utils.encoding import python_2_unicode_compatible
from django.utils.safestring import mark_safe
class AssertFormErrorsMixin(object):
def assertFormErrors(self, expected, the_callable, *args, **kwargs):
with self.assertRaises(ValidationError) as cm:
the_callable(*args, **kwargs)
self.assertEqual(cm.exception.messages, expected)
class FormsErrorMessagesTestCase(SimpleTestCase, AssertFormErrorsMixin):
def test_charfield(self):
e = {
'required': 'REQUIRED',
'min_length': 'LENGTH %(show_value)s, MIN LENGTH %(limit_value)s',
'max_length': 'LENGTH %(show_value)s, MAX LENGTH %(limit_value)s',
}
f = CharField(min_length=5, max_length=10, error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['LENGTH 4, MIN LENGTH 5'], f.clean, '1234')
self.assertFormErrors(['LENGTH 11, MAX LENGTH 10'], f.clean, '12345678901')
def test_integerfield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID',
'min_value': 'MIN VALUE IS %(limit_value)s',
'max_value': 'MAX VALUE IS %(limit_value)s',
}
f = IntegerField(min_value=5, max_value=10, error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID'], f.clean, 'abc')
self.assertFormErrors(['MIN VALUE IS 5'], f.clean, '4')
self.assertFormErrors(['MAX VALUE IS 10'], f.clean, '11')
def test_floatfield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID',
'min_value': 'MIN VALUE IS %(limit_value)s',
'max_value': 'MAX VALUE IS %(limit_value)s',
}
f = FloatField(min_value=5, max_value=10, error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID'], f.clean, 'abc')
self.assertFormErrors(['MIN VALUE IS 5'], f.clean, '4')
self.assertFormErrors(['MAX VALUE IS 10'], f.clean, '11')
def test_decimalfield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID',
'min_value': 'MIN VALUE IS %(limit_value)s',
'max_value': 'MAX VALUE IS %(limit_value)s',
'max_digits': 'MAX DIGITS IS %(max)s',
'max_decimal_places': 'MAX DP IS %(max)s',
'max_whole_digits': 'MAX DIGITS BEFORE DP IS %(max)s',
}
f = DecimalField(min_value=5, max_value=10, error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID'], f.clean, 'abc')
self.assertFormErrors(['MIN VALUE IS 5'], f.clean, '4')
self.assertFormErrors(['MAX VALUE IS 10'], f.clean, '11')
f2 = DecimalField(max_digits=4, decimal_places=2, error_messages=e)
self.assertFormErrors(['MAX DIGITS IS 4'], f2.clean, '123.45')
self.assertFormErrors(['MAX DP IS 2'], f2.clean, '1.234')
self.assertFormErrors(['MAX DIGITS BEFORE DP IS 2'], f2.clean, '123.4')
def test_datefield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID',
}
f = DateField(error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID'], f.clean, 'abc')
def test_timefield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID',
}
f = TimeField(error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID'], f.clean, 'abc')
def test_datetimefield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID',
}
f = DateTimeField(error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID'], f.clean, 'abc')
def test_regexfield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID',
'min_length': 'LENGTH %(show_value)s, MIN LENGTH %(limit_value)s',
'max_length': 'LENGTH %(show_value)s, MAX LENGTH %(limit_value)s',
}
f = RegexField(r'^[0-9]+$', min_length=5, max_length=10, error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID'], f.clean, 'abcde')
self.assertFormErrors(['LENGTH 4, MIN LENGTH 5'], f.clean, '1234')
self.assertFormErrors(['LENGTH 11, MAX LENGTH 10'], f.clean, '12345678901')
def test_emailfield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID',
'min_length': 'LENGTH %(show_value)s, MIN LENGTH %(limit_value)s',
'max_length': 'LENGTH %(show_value)s, MAX LENGTH %(limit_value)s',
}
f = EmailField(min_length=8, max_length=10, error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID'], f.clean, 'abcdefgh')
self.assertFormErrors(['LENGTH 7, MIN LENGTH 8'], f.clean, 'a@b.com')
self.assertFormErrors(['LENGTH 11, MAX LENGTH 10'], f.clean, 'aye@bee.com')
def test_filefield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID',
'missing': 'MISSING',
'empty': 'EMPTY FILE',
}
f = FileField(error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID'], f.clean, 'abc')
self.assertFormErrors(['EMPTY FILE'], f.clean, SimpleUploadedFile('name', None))
self.assertFormErrors(['EMPTY FILE'], f.clean, SimpleUploadedFile('name', ''))
def test_urlfield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID',
'max_length': '"%(value)s" has more than %(limit_value)d characters.',
}
f = URLField(error_messages=e, max_length=17)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID'], f.clean, 'abc.c')
self.assertFormErrors(
['"http://djangoproject.com" has more than 17 characters.'],
f.clean,
'djangoproject.com'
)
def test_booleanfield(self):
e = {
'required': 'REQUIRED',
}
f = BooleanField(error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
def test_choicefield(self):
e = {
'required': 'REQUIRED',
'invalid_choice': '%(value)s IS INVALID CHOICE',
}
f = ChoiceField(choices=[('a', 'aye')], error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['b IS INVALID CHOICE'], f.clean, 'b')
def test_multiplechoicefield(self):
e = {
'required': 'REQUIRED',
'invalid_choice': '%(value)s IS INVALID CHOICE',
'invalid_list': 'NOT A LIST',
}
f = MultipleChoiceField(choices=[('a', 'aye')], error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['NOT A LIST'], f.clean, 'b')
self.assertFormErrors(['b IS INVALID CHOICE'], f.clean, ['b'])
def test_splitdatetimefield(self):
e = {
'required': 'REQUIRED',
'invalid_date': 'INVALID DATE',
'invalid_time': 'INVALID TIME',
}
f = SplitDateTimeField(error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID DATE', 'INVALID TIME'], f.clean, ['a', 'b'])
def test_generic_ipaddressfield(self):
e = {
'required': 'REQUIRED',
'invalid': 'INVALID IP ADDRESS',
}
f = GenericIPAddressField(error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID IP ADDRESS'], f.clean, '127.0.0')
def test_subclassing_errorlist(self):
class TestForm(Form):
first_name = CharField()
last_name = CharField()
birthday = DateField()
def clean(self):
raise ValidationError("I like to be awkward.")
@python_2_unicode_compatible
class CustomErrorList(utils.ErrorList):
def __str__(self):
return self.as_divs()
def as_divs(self):
if not self:
return ''
return mark_safe('<div class="error">%s</div>' % ''.join('<p>%s</p>' % e for e in self))
# This form should print errors the default way.
form1 = TestForm({'first_name': 'John'})
self.assertHTMLEqual(
str(form1['last_name'].errors),
'<ul class="errorlist"><li>This field is required.</li></ul>'
)
self.assertHTMLEqual(
str(form1.errors['__all__']),
'<ul class="errorlist nonfield"><li>I like to be awkward.</li></ul>'
)
# This one should wrap error groups in the customized way.
form2 = TestForm({'first_name': 'John'}, error_class=CustomErrorList)
self.assertHTMLEqual(str(form2['last_name'].errors), '<div class="error"><p>This field is required.</p></div>')
self.assertHTMLEqual(str(form2.errors['__all__']), '<div class="error"><p>I like to be awkward.</p></div>')
class ModelChoiceFieldErrorMessagesTestCase(TestCase, AssertFormErrorsMixin):
def test_modelchoicefield(self):
# Create choices for the model choice field tests below.
from forms_tests.models import ChoiceModel
ChoiceModel.objects.create(pk=1, name='a')
ChoiceModel.objects.create(pk=2, name='b')
ChoiceModel.objects.create(pk=3, name='c')
# ModelChoiceField
e = {
'required': 'REQUIRED',
'invalid_choice': 'INVALID CHOICE',
}
f = ModelChoiceField(queryset=ChoiceModel.objects.all(), error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['INVALID CHOICE'], f.clean, '4')
# ModelMultipleChoiceField
e = {
'required': 'REQUIRED',
'invalid_choice': '%(value)s IS INVALID CHOICE',
'list': 'NOT A LIST OF VALUES',
}
f = ModelMultipleChoiceField(queryset=ChoiceModel.objects.all(), error_messages=e)
self.assertFormErrors(['REQUIRED'], f.clean, '')
self.assertFormErrors(['NOT A LIST OF VALUES'], f.clean, '3')
self.assertFormErrors(['4 IS INVALID CHOICE'], f.clean, ['4'])