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import pickle
from django.core.exceptions import ValidationError
from django.forms import BooleanField
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.assertIs(f.clean(""), False)
self.assertIs(f.clean(None), False)
self.assertIs(f.clean(True), True)
self.assertIs(f.clean(False), False)
self.assertIs(f.clean(1), True)
self.assertIs(f.clean(0), False)
self.assertIs(f.clean("1"), True)
self.assertIs(f.clean("0"), False)
self.assertIs(f.clean("Django rocks"), True)
self.assertIs(f.clean("False"), False)
self.assertIs(f.clean("false"), False)
self.assertIs(f.clean("FaLsE"), 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"))
def test_disabled_has_changed(self):
f = BooleanField(disabled=True)
self.assertIs(f.has_changed("True", "False"), False)
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