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from __future__ import unicode_literals
import pickle
from django.forms import BooleanField, ValidationError
from django.test import SimpleTestCase
class BooleanFieldTest(SimpleTestCase):
def test_booleanfield_clean_1(self):
f = BooleanField()
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean('')
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean(None)
self.assertTrue(f.clean(True))
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean(False)
self.assertTrue(f.clean(1))
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean(0)
self.assertTrue(f.clean('Django rocks'))
self.assertTrue(f.clean('True'))
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean('False')
def test_booleanfield_clean_2(self):
f = BooleanField(required=False)
self.assertEqual(False, f.clean(''))
self.assertEqual(False, f.clean(None))
self.assertEqual(True, f.clean(True))
self.assertEqual(False, f.clean(False))
self.assertEqual(True, f.clean(1))
self.assertEqual(False, f.clean(0))
self.assertEqual(True, f.clean('1'))
self.assertEqual(False, f.clean('0'))
self.assertEqual(True, f.clean('Django rocks'))
self.assertEqual(False, f.clean('False'))
self.assertEqual(False, f.clean('false'))
self.assertEqual(False, f.clean('FaLsE'))
def test_boolean_picklable(self):
self.assertIsInstance(pickle.loads(pickle.dumps(BooleanField())), BooleanField)
def test_booleanfield_changed(self):
f = BooleanField()
self.assertFalse(f.has_changed(None, None))
self.assertFalse(f.has_changed(None, ''))
self.assertFalse(f.has_changed('', None))
self.assertFalse(f.has_changed('', ''))
self.assertTrue(f.has_changed(False, 'on'))
self.assertFalse(f.has_changed(True, 'on'))
self.assertTrue(f.has_changed(True, ''))
# Initial value may have mutated to a string due to show_hidden_initial (#19537)
self.assertTrue(f.has_changed('False', 'on'))
# HiddenInput widget sends string values for boolean but doesn't clean them in value_from_datadict
self.assertFalse(f.has_changed(False, 'False'))
self.assertFalse(f.has_changed(True, 'True'))
self.assertTrue(f.has_changed(False, 'True'))
self.assertTrue(f.has_changed(True, 'False'))
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