71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
|
|
from __future__ import unicode_literals
|
|
|
|
from unittest import skipIf
|
|
|
|
from django.core.exceptions import ValidationError
|
|
from django.db import connection, models
|
|
from django.test import SimpleTestCase, TestCase
|
|
from django.utils.functional import lazy
|
|
|
|
from .models import Post
|
|
|
|
|
|
class TestCharField(TestCase):
|
|
|
|
def test_max_length_passed_to_formfield(self):
|
|
"""
|
|
CharField passes its max_length attribute to form fields created using
|
|
the formfield() method.
|
|
"""
|
|
cf1 = models.CharField()
|
|
cf2 = models.CharField(max_length=1234)
|
|
self.assertIsNone(cf1.formfield().max_length)
|
|
self.assertEqual(1234, cf2.formfield().max_length)
|
|
|
|
def test_lookup_integer_in_charfield(self):
|
|
self.assertEqual(Post.objects.filter(title=9).count(), 0)
|
|
|
|
@skipIf(connection.vendor == 'mysql', 'See https://code.djangoproject.com/ticket/18392')
|
|
def test_emoji(self):
|
|
p = Post.objects.create(title='Smile 😀', body='Whatever.')
|
|
p.refresh_from_db()
|
|
self.assertEqual(p.title, 'Smile 😀')
|
|
|
|
|
|
class ValidationTests(SimpleTestCase):
|
|
|
|
def test_charfield_raises_error_on_empty_string(self):
|
|
f = models.CharField()
|
|
with self.assertRaises(ValidationError):
|
|
f.clean('', None)
|
|
|
|
def test_charfield_cleans_empty_string_when_blank_true(self):
|
|
f = models.CharField(blank=True)
|
|
self.assertEqual('', f.clean('', None))
|
|
|
|
def test_charfield_with_choices_cleans_valid_choice(self):
|
|
f = models.CharField(max_length=1, choices=[('a', 'A'), ('b', 'B')])
|
|
self.assertEqual('a', f.clean('a', None))
|
|
|
|
def test_charfield_with_choices_raises_error_on_invalid_choice(self):
|
|
f = models.CharField(choices=[('a', 'A'), ('b', 'B')])
|
|
with self.assertRaises(ValidationError):
|
|
f.clean('not a', None)
|
|
|
|
def test_charfield_get_choices_with_blank_defined(self):
|
|
f = models.CharField(choices=[('', '<><>'), ('a', 'A')])
|
|
self.assertEqual(f.get_choices(True), [('', '<><>'), ('a', 'A')])
|
|
|
|
def test_charfield_get_choices_doesnt_evaluate_lazy_strings(self):
|
|
# Regression test for #23098
|
|
# Will raise ZeroDivisionError if lazy is evaluated
|
|
lazy_func = lazy(lambda x: 0 / 0, int)
|
|
f = models.CharField(choices=[(lazy_func('group'), (('a', 'A'), ('b', 'B')))])
|
|
self.assertEqual(f.get_choices(True)[0], ('', '---------'))
|
|
|
|
def test_charfield_raises_error_on_empty_input(self):
|
|
f = models.CharField(null=False)
|
|
with self.assertRaises(ValidationError):
|
|
f.clean(None, None)
|