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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
# Copyright (c) 2013 OpenStack Foundation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from openstack.common.scheduler import base_filter
from tests import utils
class TestBaseFilter(utils.BaseTestCase):
def setUp(self):
super(TestBaseFilter, self).setUp()
self.filter = base_filter.BaseFilter()
def test_filter_one_is_called(self):
filters = [1, 2, 3, 4]
filter_properties = {'x': 'y'}
self.mox.StubOutWithMock(self.filter, '_filter_one')
self.filter._filter_one(1, filter_properties).AndReturn(False)
self.filter._filter_one(2, filter_properties).AndReturn(True)
self.filter._filter_one(3, filter_properties).AndReturn(True)
self.filter._filter_one(4, filter_properties).AndReturn(False)
self.mox.ReplayAll()
result = list(self.filter.filter_all(filters, filter_properties))
self.assertEqual([2, 3], result)
class FakeExtension(object):
def __init__(self, plugin):
self.plugin = plugin
class BaseFakeFilter(base_filter.BaseFilter):
pass
class FakeFilter1(BaseFakeFilter):
"""
* Should be included in the output of all_classes
* It derives from BaseFakeFilter
* AND
* It has a fake entry point defined (is returned by fake ExtensionManager)
"""
pass
class FakeFilter2(BaseFakeFilter):
"""
* Should be NOT included in all_classes
* Derives from BaseFakeFilter
* BUT
* It has no entry point
"""
pass
class FakeFilter3(base_filter.BaseFilter):
"""
* Should NOT be included
* Does NOT derive from BaseFakeFilter
"""
pass
class FakeFilter4(BaseFakeFilter):
"""
Should be included
* Derives from BaseFakeFilter
* AND
* It has an entrypoint
"""
pass
class FakeFilter5(BaseFakeFilter):
"""
Should NOT be included
* Derives from BaseFakeFilter
* BUT
* It has NO entrypoint
"""
pass
class FakeExtensionManager(list):
def __init__(self, namespace):
classes = [FakeFilter1, FakeFilter3, FakeFilter4]
exts = map(FakeExtension, classes)
super(FakeExtensionManager, self).__init__(exts)
self.namespace = namespace
class TestBaseFilterHandler(utils.BaseTestCase):
def setUp(self):
super(TestBaseFilterHandler, self).setUp()
self.stubs.Set(base_filter.base_handler.extension, 'ExtensionManager',
FakeExtensionManager)
self.handler = base_filter.BaseFilterHandler(BaseFakeFilter,
'fake_filters')
def test_get_all_classes(self):
# In order for a FakeFilter to be returned by get_all_classes, it has
# to comply with these rules:
# * It must be derived from BaseFakeFilter
# AND
# * It must have a python entrypoint assigned (returned by
# FakeExtensionManager)
expected = [FakeFilter1, FakeFilter4]
result = self.handler.get_all_classes()
self.assertEqual(expected, result)
|