/usr/lib/python2.7/dist-packages/glance_store/tests/unit/test_store_capabilities.py is in python-glance-store 0.18.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | # Copyright 2014 OpenStack Foundation
# All Rights Reserved.
#
# 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 glance_store import capabilities as caps
from glance_store.tests import base
class FakeStoreWithStaticCapabilities(caps.StoreCapability):
_CAPABILITIES = caps.BitMasks.READ_RANDOM | caps.BitMasks.DRIVER_REUSABLE
class FakeStoreWithDynamicCapabilities(caps.StoreCapability):
def __init__(self, *cap_list):
super(FakeStoreWithDynamicCapabilities, self).__init__()
if not cap_list:
cap_list = [caps.BitMasks.READ_RANDOM,
caps.BitMasks.DRIVER_REUSABLE]
self.set_capabilities(*cap_list)
class FakeStoreWithMixedCapabilities(caps.StoreCapability):
_CAPABILITIES = caps.BitMasks.READ_RANDOM
def __init__(self):
super(FakeStoreWithMixedCapabilities, self).__init__()
self.set_capabilities(caps.BitMasks.DRIVER_REUSABLE)
class TestStoreCapabilitiesChecking(object):
def test_store_capabilities_checked_on_io_operations(self):
self.assertEqual('op_checker', self.store.add.__name__)
self.assertEqual('op_checker', self.store.get.__name__)
self.assertEqual('op_checker', self.store.delete.__name__)
class TestStoreCapabilities(base.StoreBaseTest):
def _verify_store_capabilities(self, store):
# This function tested is_capable() as well.
self.assertTrue(store.is_capable(caps.BitMasks.READ_RANDOM))
self.assertTrue(store.is_capable(caps.BitMasks.DRIVER_REUSABLE))
self.assertFalse(store.is_capable(caps.BitMasks.WRITE_ACCESS))
def test_static_capabilities_setup(self):
self._verify_store_capabilities(FakeStoreWithStaticCapabilities())
def test_dynamic_capabilities_setup(self):
self._verify_store_capabilities(FakeStoreWithDynamicCapabilities())
def test_mixed_capabilities_setup(self):
self._verify_store_capabilities(FakeStoreWithMixedCapabilities())
def test_set_unset_capabilities(self):
store = FakeStoreWithStaticCapabilities()
self.assertFalse(store.is_capable(caps.BitMasks.WRITE_ACCESS))
# Set and unset single capability on one time
store.set_capabilities(caps.BitMasks.WRITE_ACCESS)
self.assertTrue(store.is_capable(caps.BitMasks.WRITE_ACCESS))
store.unset_capabilities(caps.BitMasks.WRITE_ACCESS)
self.assertFalse(store.is_capable(caps.BitMasks.WRITE_ACCESS))
# Set and unset multiple capabilities on one time
cap_list = [caps.BitMasks.WRITE_ACCESS, caps.BitMasks.WRITE_OFFSET]
store.set_capabilities(*cap_list)
self.assertTrue(store.is_capable(*cap_list))
store.unset_capabilities(*cap_list)
self.assertFalse(store.is_capable(*cap_list))
def test_store_capabilities_property(self):
store1 = FakeStoreWithDynamicCapabilities()
self.assertTrue(hasattr(store1, 'capabilities'))
store2 = FakeStoreWithMixedCapabilities()
self.assertEqual(store1.capabilities, store2.capabilities)
def test_cascaded_unset_capabilities(self):
# Test read capability
store = FakeStoreWithMixedCapabilities()
self._verify_store_capabilities(store)
store.unset_capabilities(caps.BitMasks.READ_ACCESS)
cap_list = [caps.BitMasks.READ_ACCESS, caps.BitMasks.READ_OFFSET,
caps.BitMasks.READ_CHUNK, caps.BitMasks.READ_RANDOM]
for cap in cap_list:
# To make sure all of them are unsetted.
self.assertFalse(store.is_capable(cap))
self.assertTrue(store.is_capable(caps.BitMasks.DRIVER_REUSABLE))
# Test write capability
store = FakeStoreWithDynamicCapabilities(caps.BitMasks.WRITE_RANDOM,
caps.BitMasks.DRIVER_REUSABLE)
self.assertTrue(store.is_capable(caps.BitMasks.WRITE_RANDOM))
self.assertTrue(store.is_capable(caps.BitMasks.DRIVER_REUSABLE))
store.unset_capabilities(caps.BitMasks.WRITE_ACCESS)
cap_list = [caps.BitMasks.WRITE_ACCESS, caps.BitMasks.WRITE_OFFSET,
caps.BitMasks.WRITE_CHUNK, caps.BitMasks.WRITE_RANDOM]
for cap in cap_list:
# To make sure all of them are unsetted.
self.assertFalse(store.is_capable(cap))
self.assertTrue(store.is_capable(caps.BitMasks.DRIVER_REUSABLE))
class TestStoreCapabilityConstants(base.StoreBaseTest):
def test_one_single_capability_own_one_bit(self):
cap_list = [
caps.BitMasks.READ_ACCESS,
caps.BitMasks.WRITE_ACCESS,
caps.BitMasks.DRIVER_REUSABLE,
]
for cap in cap_list:
self.assertEqual(1, bin(cap).count('1'))
def test_combined_capability_bits(self):
check = caps.StoreCapability.contains
check(caps.BitMasks.READ_OFFSET, caps.BitMasks.READ_ACCESS)
check(caps.BitMasks.READ_CHUNK, caps.BitMasks.READ_ACCESS)
check(caps.BitMasks.READ_RANDOM, caps.BitMasks.READ_CHUNK)
check(caps.BitMasks.READ_RANDOM, caps.BitMasks.READ_OFFSET)
check(caps.BitMasks.WRITE_OFFSET, caps.BitMasks.WRITE_ACCESS)
check(caps.BitMasks.WRITE_CHUNK, caps.BitMasks.WRITE_ACCESS)
check(caps.BitMasks.WRITE_RANDOM, caps.BitMasks.WRITE_CHUNK)
check(caps.BitMasks.WRITE_RANDOM, caps.BitMasks.WRITE_OFFSET)
check(caps.BitMasks.RW_ACCESS, caps.BitMasks.READ_ACCESS)
check(caps.BitMasks.RW_ACCESS, caps.BitMasks.WRITE_ACCESS)
check(caps.BitMasks.RW_OFFSET, caps.BitMasks.READ_OFFSET)
check(caps.BitMasks.RW_OFFSET, caps.BitMasks.WRITE_OFFSET)
check(caps.BitMasks.RW_CHUNK, caps.BitMasks.READ_CHUNK)
check(caps.BitMasks.RW_CHUNK, caps.BitMasks.WRITE_CHUNK)
check(caps.BitMasks.RW_RANDOM, caps.BitMasks.READ_RANDOM)
check(caps.BitMasks.RW_RANDOM, caps.BitMasks.WRITE_RANDOM)
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