django-model-utils/tests/test_choices.py
Maarten ter Huurne aeeb69a9dd Enable postponed evaluation of annotations for all test modules
This allows using the latest annotation syntax supported by the type
checker regardless of the runtime Python version.
2024-06-13 12:02:05 +02:00

308 lines
8.9 KiB
Python

from __future__ import annotations
from django.test import TestCase
from model_utils import Choices
class ChoicesTests(TestCase):
def setUp(self):
self.STATUS = Choices('DRAFT', 'PUBLISHED')
def test_getattr(self):
self.assertEqual(self.STATUS.DRAFT, 'DRAFT')
def test_indexing(self):
self.assertEqual(self.STATUS['PUBLISHED'], 'PUBLISHED')
def test_iteration(self):
self.assertEqual(tuple(self.STATUS),
(('DRAFT', 'DRAFT'), ('PUBLISHED', 'PUBLISHED')))
def test_reversed(self):
self.assertEqual(tuple(reversed(self.STATUS)),
(('PUBLISHED', 'PUBLISHED'), ('DRAFT', 'DRAFT')))
def test_len(self):
self.assertEqual(len(self.STATUS), 2)
def test_repr(self):
self.assertEqual(repr(self.STATUS), "Choices" + repr((
('DRAFT', 'DRAFT', 'DRAFT'),
('PUBLISHED', 'PUBLISHED', 'PUBLISHED'),
)))
def test_wrong_length_tuple(self):
with self.assertRaises(ValueError):
Choices(('a',))
def test_contains_value(self):
self.assertTrue('PUBLISHED' in self.STATUS)
self.assertTrue('DRAFT' in self.STATUS)
def test_doesnt_contain_value(self):
self.assertFalse('UNPUBLISHED' in self.STATUS)
def test_deepcopy(self):
import copy
self.assertEqual(list(self.STATUS),
list(copy.deepcopy(self.STATUS)))
def test_equality(self):
self.assertEqual(self.STATUS, Choices('DRAFT', 'PUBLISHED'))
def test_inequality(self):
self.assertNotEqual(self.STATUS, ['DRAFT', 'PUBLISHED'])
self.assertNotEqual(self.STATUS, Choices('DRAFT'))
def test_composability(self):
self.assertEqual(Choices('DRAFT') + Choices('PUBLISHED'), self.STATUS)
self.assertEqual(Choices('DRAFT') + ('PUBLISHED',), self.STATUS)
self.assertEqual(('DRAFT',) + Choices('PUBLISHED'), self.STATUS)
def test_option_groups(self):
c = Choices(('group a', ['one', 'two']), ['group b', ('three',)])
self.assertEqual(
list(c),
[
('group a', [('one', 'one'), ('two', 'two')]),
('group b', [('three', 'three')]),
],
)
class LabelChoicesTests(ChoicesTests):
def setUp(self):
self.STATUS = Choices(
('DRAFT', 'is draft'),
('PUBLISHED', 'is published'),
'DELETED',
)
def test_iteration(self):
self.assertEqual(tuple(self.STATUS), (
('DRAFT', 'is draft'),
('PUBLISHED', 'is published'),
('DELETED', 'DELETED'),
))
def test_reversed(self):
self.assertEqual(tuple(reversed(self.STATUS)), (
('DELETED', 'DELETED'),
('PUBLISHED', 'is published'),
('DRAFT', 'is draft'),
))
def test_indexing(self):
self.assertEqual(self.STATUS['PUBLISHED'], 'is published')
def test_default(self):
self.assertEqual(self.STATUS.DELETED, 'DELETED')
def test_provided(self):
self.assertEqual(self.STATUS.DRAFT, 'DRAFT')
def test_len(self):
self.assertEqual(len(self.STATUS), 3)
def test_equality(self):
self.assertEqual(self.STATUS, Choices(
('DRAFT', 'is draft'),
('PUBLISHED', 'is published'),
'DELETED',
))
def test_inequality(self):
self.assertNotEqual(self.STATUS, [
('DRAFT', 'is draft'),
('PUBLISHED', 'is published'),
'DELETED'
])
self.assertNotEqual(self.STATUS, Choices('DRAFT'))
def test_repr(self):
self.assertEqual(repr(self.STATUS), "Choices" + repr((
('DRAFT', 'DRAFT', 'is draft'),
('PUBLISHED', 'PUBLISHED', 'is published'),
('DELETED', 'DELETED', 'DELETED'),
)))
def test_contains_value(self):
self.assertTrue('PUBLISHED' in self.STATUS)
self.assertTrue('DRAFT' in self.STATUS)
# This should be True, because both the display value
# and the internal representation are both DELETED.
self.assertTrue('DELETED' in self.STATUS)
def test_doesnt_contain_value(self):
self.assertFalse('UNPUBLISHED' in self.STATUS)
def test_doesnt_contain_display_value(self):
self.assertFalse('is draft' in self.STATUS)
def test_composability(self):
self.assertEqual(
Choices(('DRAFT', 'is draft',)) + Choices(('PUBLISHED', 'is published'), 'DELETED'),
self.STATUS
)
self.assertEqual(
(('DRAFT', 'is draft',),) + Choices(('PUBLISHED', 'is published'), 'DELETED'),
self.STATUS
)
self.assertEqual(
Choices(('DRAFT', 'is draft',)) + (('PUBLISHED', 'is published'), 'DELETED'),
self.STATUS
)
def test_option_groups(self):
c = Choices(
('group a', [(1, 'one'), (2, 'two')]),
['group b', ((3, 'three'),)]
)
self.assertEqual(
list(c),
[
('group a', [(1, 'one'), (2, 'two')]),
('group b', [(3, 'three')]),
],
)
class IdentifierChoicesTests(ChoicesTests):
def setUp(self):
self.STATUS = Choices(
(0, 'DRAFT', 'is draft'),
(1, 'PUBLISHED', 'is published'),
(2, 'DELETED', 'is deleted'))
def test_iteration(self):
self.assertEqual(tuple(self.STATUS), (
(0, 'is draft'),
(1, 'is published'),
(2, 'is deleted'),
))
def test_reversed(self):
self.assertEqual(tuple(reversed(self.STATUS)), (
(2, 'is deleted'),
(1, 'is published'),
(0, 'is draft'),
))
def test_indexing(self):
self.assertEqual(self.STATUS[1], 'is published')
def test_getattr(self):
self.assertEqual(self.STATUS.DRAFT, 0)
def test_len(self):
self.assertEqual(len(self.STATUS), 3)
def test_repr(self):
self.assertEqual(repr(self.STATUS), "Choices" + repr((
(0, 'DRAFT', 'is draft'),
(1, 'PUBLISHED', 'is published'),
(2, 'DELETED', 'is deleted'),
)))
def test_contains_value(self):
self.assertTrue(0 in self.STATUS)
self.assertTrue(1 in self.STATUS)
self.assertTrue(2 in self.STATUS)
def test_doesnt_contain_value(self):
self.assertFalse(3 in self.STATUS)
def test_doesnt_contain_display_value(self):
self.assertFalse('is draft' in self.STATUS)
def test_doesnt_contain_python_attr(self):
self.assertFalse('PUBLISHED' in self.STATUS)
def test_equality(self):
self.assertEqual(self.STATUS, Choices(
(0, 'DRAFT', 'is draft'),
(1, 'PUBLISHED', 'is published'),
(2, 'DELETED', 'is deleted')
))
def test_inequality(self):
self.assertNotEqual(self.STATUS, [
(0, 'DRAFT', 'is draft'),
(1, 'PUBLISHED', 'is published'),
(2, 'DELETED', 'is deleted')
])
self.assertNotEqual(self.STATUS, Choices('DRAFT'))
def test_composability(self):
self.assertEqual(
Choices(
(0, 'DRAFT', 'is draft'),
(1, 'PUBLISHED', 'is published')
) + Choices(
(2, 'DELETED', 'is deleted'),
),
self.STATUS
)
self.assertEqual(
Choices(
(0, 'DRAFT', 'is draft'),
(1, 'PUBLISHED', 'is published')
) + (
(2, 'DELETED', 'is deleted'),
),
self.STATUS
)
self.assertEqual(
(
(0, 'DRAFT', 'is draft'),
(1, 'PUBLISHED', 'is published')
) + Choices(
(2, 'DELETED', 'is deleted'),
),
self.STATUS
)
def test_option_groups(self):
c = Choices(
('group a', [(1, 'ONE', 'one'), (2, 'TWO', 'two')]),
['group b', ((3, 'THREE', 'three'),)]
)
self.assertEqual(
list(c),
[
('group a', [(1, 'one'), (2, 'two')]),
('group b', [(3, 'three')]),
],
)
class SubsetChoicesTest(TestCase):
def setUp(self):
self.choices = Choices(
(0, 'a', 'A'),
(1, 'b', 'B'),
)
def test_nonexistent_identifiers_raise(self):
with self.assertRaises(ValueError):
self.choices.subset('a', 'c')
def test_solo_nonexistent_identifiers_raise(self):
with self.assertRaises(ValueError):
self.choices.subset('c')
def test_empty_subset_passes(self):
subset = self.choices.subset()
self.assertEqual(subset, Choices())
def test_subset_returns_correct_subset(self):
subset = self.choices.subset('a')
self.assertEqual(subset, Choices((0, 'a', 'A')))