django1/tests/forms_tests/field_tests/test_multiplechoicefield.py

79 lines
3.7 KiB
Python

from django.core.exceptions import ValidationError
from django.forms import MultipleChoiceField
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"]))
def test_disabled_has_changed(self):
f = MultipleChoiceField(choices=[("1", "One"), ("2", "Two")], disabled=True)
self.assertIs(f.has_changed("x", "y"), False)