1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
import collections
import enum
import unittest
from traits.trait_base import safe_contains
class Lights(enum.Enum):
red = "red"
blue = "blue"
green = "green"
class MoreLights(enum.Enum):
amber = 1
aquamarine = 2
azure = 3
class RaisingContainer(collections.abc.Sequence):
def __len__(self):
return 15
def __getitem__(self, index):
if not 0 <= index < 15:
raise IndexError("Index out of range")
return 1729
def __contains__(self, value):
if value != 1729:
raise TypeError("My contents are my own private business!")
return True
class TestTraitBase(unittest.TestCase):
def test_safe_contains(self):
self.assertFalse(safe_contains(1, Lights))
self.assertFalse(safe_contains(MoreLights.amber, Lights))
self.assertTrue(safe_contains(Lights.red, Lights))
lights_list = list(Lights)
self.assertFalse(safe_contains(1, lights_list))
self.assertFalse(safe_contains(MoreLights.amber, lights_list))
self.assertTrue(safe_contains(Lights.red, lights_list))
unfriendly_container = RaisingContainer()
self.assertFalse(safe_contains(1, unfriendly_container))
self.assertTrue(safe_contains(1729, unfriendly_container))
self.assertFalse(safe_contains(Lights.green, unfriendly_container))
|
