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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
# (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!
""" Test the adaptation offers. """
import sys
import unittest
from traits.adaptation.adaptation_offer import AdaptationOffer
class TestAdaptationOffer(unittest.TestCase):
""" Test the adaptation offers. """
def test_lazy_loading(self):
LAZY_EXAMPLES = "traits.adaptation.tests.lazy_examples"
if LAZY_EXAMPLES in sys.modules:
del sys.modules[LAZY_EXAMPLES]
offer = AdaptationOffer(
factory=(LAZY_EXAMPLES + ".IBarToIFoo"),
from_protocol=(LAZY_EXAMPLES + ".IBar"),
to_protocol=(LAZY_EXAMPLES + ".IFoo"),
)
self.assertNotIn(LAZY_EXAMPLES, sys.modules)
factory = offer.factory
self.assertIn(LAZY_EXAMPLES, sys.modules)
from traits.adaptation.tests.lazy_examples import IBarToIFoo
self.assertIs(factory, IBarToIFoo)
del sys.modules[LAZY_EXAMPLES]
from_protocol = offer.from_protocol
from traits.adaptation.tests.lazy_examples import IBar
self.assertIs(from_protocol, IBar)
del sys.modules[LAZY_EXAMPLES]
to_protocol = offer.to_protocol
from traits.adaptation.tests.lazy_examples import IFoo
self.assertIs(to_protocol, IFoo)
def test_adaptation_offer_str_representation(self):
""" test string representation of the AdaptationOffer class. """
class Foo:
pass
class Bar:
pass
adaptation_offer = AdaptationOffer(from_protocol=Foo, to_protocol=Bar)
desired_repr = "<AdaptationOffer: '{}' -> '{}'>".format(
adaptation_offer.from_protocol_name,
adaptation_offer.to_protocol_name
)
self.assertEqual(desired_repr, str(adaptation_offer))
self.assertEqual(desired_repr, repr(adaptation_offer))
|
