django/tests/forms_tests/field_tests/test_multiplechoicefield.py

73 lines
3.4 KiB
Python

from __future__ import unicode_literals
from django.forms import MultipleChoiceField, ValidationError
from django.test import SimpleTestCase
class MultipleChoiceFieldTest(SimpleTestCase):
def test_multiplechoicefield_1(self):
f = MultipleChoiceField(choices=[('1', 'One'), ('2', 'Two')])
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean('')
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean(None)
self.assertEqual(['1'], f.clean([1]))
self.assertEqual(['1'], f.clean(['1']))
self.assertEqual(['1', '2'], f.clean(['1', '2']))
self.assertEqual(['1', '2'], f.clean([1, '2']))
self.assertEqual(['1', '2'], f.clean((1, '2')))
with self.assertRaisesMessage(ValidationError, "'Enter a list of values.'"):
f.clean('hello')
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean([])
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean(())
msg = "'Select a valid choice. 3 is not one of the available choices.'"
with self.assertRaisesMessage(ValidationError, msg):
f.clean(['3'])
def test_multiplechoicefield_2(self):
f = MultipleChoiceField(choices=[('1', 'One'), ('2', 'Two')], required=False)
self.assertEqual([], f.clean(''))
self.assertEqual([], f.clean(None))
self.assertEqual(['1'], f.clean([1]))
self.assertEqual(['1'], f.clean(['1']))
self.assertEqual(['1', '2'], f.clean(['1', '2']))
self.assertEqual(['1', '2'], f.clean([1, '2']))
self.assertEqual(['1', '2'], f.clean((1, '2')))
with self.assertRaisesMessage(ValidationError, "'Enter a list of values.'"):
f.clean('hello')
self.assertEqual([], f.clean([]))
self.assertEqual([], f.clean(()))
msg = "'Select a valid choice. 3 is not one of the available choices.'"
with self.assertRaisesMessage(ValidationError, msg):
f.clean(['3'])
def test_multiplechoicefield_3(self):
f = MultipleChoiceField(
choices=[('Numbers', (('1', 'One'), ('2', 'Two'))), ('Letters', (('3', 'A'), ('4', 'B'))), ('5', 'Other')]
)
self.assertEqual(['1'], f.clean([1]))
self.assertEqual(['1'], f.clean(['1']))
self.assertEqual(['1', '5'], f.clean([1, 5]))
self.assertEqual(['1', '5'], f.clean([1, '5']))
self.assertEqual(['1', '5'], f.clean(['1', 5]))
self.assertEqual(['1', '5'], f.clean(['1', '5']))
msg = "'Select a valid choice. 6 is not one of the available choices.'"
with self.assertRaisesMessage(ValidationError, msg):
f.clean(['6'])
msg = "'Select a valid choice. 6 is not one of the available choices.'"
with self.assertRaisesMessage(ValidationError, msg):
f.clean(['1', '6'])
def test_multiplechoicefield_changed(self):
f = MultipleChoiceField(choices=[('1', 'One'), ('2', 'Two'), ('3', 'Three')])
self.assertFalse(f.has_changed(None, None))
self.assertFalse(f.has_changed([], None))
self.assertTrue(f.has_changed(None, ['1']))
self.assertFalse(f.has_changed([1, 2], ['1', '2']))
self.assertFalse(f.has_changed([2, 1], ['1', '2']))
self.assertTrue(f.has_changed([1, 2], ['1']))
self.assertTrue(f.has_changed([1, 2], ['1', '3']))