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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self.assertFalse('UNPUBLISHED' in self.STATUS)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')))
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