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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
# Copyright 2019 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import unittest
import make_runtime_features_utilities as util
from blinkbuild.name_style_converter import NameStyleConverter
def _feature(name,
depends_on=[],
implied_by=[],
origin_trial_feature_name=None):
return {
'name': name,
'depends_on': depends_on,
'implied_by': implied_by,
'origin_trial_feature_name': origin_trial_feature_name
}
class MakeRuntimeFeaturesUtilitiesTest(unittest.TestCase):
def test_cycle(self):
# Cycle: 'c' => 'd' => 'e' => 'c'
with self.assertRaisesRegexp(
AssertionError, 'Cycle found in depends_on/implied_by graph'):
util.origin_trials([
_feature('a', depends_on=['b']),
_feature('b'),
_feature('c', implied_by=['a', 'd']),
_feature('d', depends_on=['e']),
_feature('e', implied_by=['c'])
])
def test_bad_dependency(self):
with self.assertRaisesRegexp(AssertionError,
'a: Depends on non-existent-feature: x'):
util.origin_trials([_feature('a', depends_on=['x'])])
def test_bad_implication(self):
with self.assertRaisesRegexp(AssertionError,
'a: Implied by non-existent-feature: x'):
util.origin_trials([_feature('a', implied_by=['x'])])
with self.assertRaisesRegexp(
AssertionError,
'a: A feature must be in origin trial if implied by an origin trial feature: b'
):
util.origin_trials([
_feature('a', implied_by=['b']),
_feature('b', origin_trial_feature_name='b')
])
def test_both_dependency_and_implication(self):
with self.assertRaisesRegexp(
AssertionError,
'c: Only one of implied_by and depends_on is allowed'):
util.origin_trials([
_feature('a'),
_feature('b'),
_feature('c', depends_on=['a'], implied_by=['b'])
])
def test_origin_trials(self):
features = [
_feature(NameStyleConverter('a')),
_feature(
NameStyleConverter('b'),
depends_on=['a'],
origin_trial_feature_name='b'),
_feature(NameStyleConverter('c'), depends_on=['b']),
_feature(NameStyleConverter('d'), depends_on=['b']),
_feature(NameStyleConverter('e'), depends_on=['d'])
]
self.assertSetEqual(util.origin_trials(features), {'b', 'c', 'd', 'e'})
features = [
_feature('a'),
_feature('b', depends_on=['x', 'y']),
_feature('c', depends_on=['y', 'z']),
_feature('x', depends_on=['a']),
_feature('y', depends_on=['x'], origin_trial_feature_name='y'),
_feature('z', depends_on=['y'])
]
self.assertSetEqual(util.origin_trials(features), {'b', 'c', 'y', 'z'})
if __name__ == "__main__":
unittest.main()
|
