1. import pickle

  2. 

  3. from django.core.exceptions import ValidationError

  4. from django.forms import BooleanField

  5. from django.test import SimpleTestCase

  6. 

  7. 

  8. class BooleanFieldTest(SimpleTestCase):

  9.     def test_booleanfield_clean_1(self):

  10.         f = BooleanField()

  11.         with self.assertRaisesMessage(ValidationError, "'This field is required.'"):

  12.             f.clean("")

  13.         with self.assertRaisesMessage(ValidationError, "'This field is required.'"):

  14.             f.clean(None)

  15.         self.assertTrue(f.clean(True))

  16.         with self.assertRaisesMessage(ValidationError, "'This field is required.'"):

  17.             f.clean(False)

  18.         self.assertTrue(f.clean(1))

  19.         with self.assertRaisesMessage(ValidationError, "'This field is required.'"):

  20.             f.clean(0)

  21.         self.assertTrue(f.clean("Django rocks"))

  22.         self.assertTrue(f.clean("True"))

  23.         with self.assertRaisesMessage(ValidationError, "'This field is required.'"):

  24.             f.clean("False")

  25. 

  26.     def test_booleanfield_clean_2(self):

  27.         f = BooleanField(required=False)

  28.         self.assertIs(f.clean(""), False)

  29.         self.assertIs(f.clean(None), False)

  30.         self.assertIs(f.clean(True), True)

  31.         self.assertIs(f.clean(False), False)

  32.         self.assertIs(f.clean(1), True)

  33.         self.assertIs(f.clean(0), False)

  34.         self.assertIs(f.clean("1"), True)

  35.         self.assertIs(f.clean("0"), False)

  36.         self.assertIs(f.clean("Django rocks"), True)

  37.         self.assertIs(f.clean("False"), False)

  38.         self.assertIs(f.clean("false"), False)

  39.         self.assertIs(f.clean("FaLsE"), False)

  40. 

  41.     def test_boolean_picklable(self):

  42.         self.assertIsInstance(pickle.loads(pickle.dumps(BooleanField())), BooleanField)

  43. 

  44.     def test_booleanfield_changed(self):

  45.         f = BooleanField()

  46.         self.assertFalse(f.has_changed(None, None))

  47.         self.assertFalse(f.has_changed(None, ""))

  48.         self.assertFalse(f.has_changed("", None))

  49.         self.assertFalse(f.has_changed("", ""))

  50.         self.assertTrue(f.has_changed(False, "on"))

  51.         self.assertFalse(f.has_changed(True, "on"))

  52.         self.assertTrue(f.has_changed(True, ""))

  53.         # Initial value may have mutated to a string due to show_hidden_initial (#19537)

  54.         self.assertTrue(f.has_changed("False", "on"))

  55.         # HiddenInput widget sends string values for boolean but doesn't clean

  56.         # them in value_from_datadict.

  57.         self.assertFalse(f.has_changed(False, "False"))

  58.         self.assertFalse(f.has_changed(True, "True"))

  59.         self.assertTrue(f.has_changed(False, "True"))

  60.         self.assertTrue(f.has_changed(True, "False"))

  61. 

  62.     def test_disabled_has_changed(self):

  63.         f = BooleanField(disabled=True)

  64.         self.assertIs(f.has_changed("True", "False"), False)
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