2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2022-2025 Nordix Foundation
4 * Modifications Copyright (C) 2022 Bell Canada
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.cps.ncmp.impl.inventory.sync
24 import com.hazelcast.map.IMap
25 import java.util.concurrent.ArrayBlockingQueue
26 import org.onap.cps.ncmp.impl.inventory.models.YangModelCmHandle
27 import spock.lang.Specification
29 class ModuleSyncWatchdogSpec extends Specification {
31 def mockModuleOperationsUtils = Mock(ModuleOperationsUtils)
33 def static testQueueCapacity = 50 + 2 * ModuleSyncWatchdog.MODULE_SYNC_BATCH_SIZE
35 def moduleSyncWorkQueue = new ArrayBlockingQueue(testQueueCapacity)
37 def mockModuleSyncStartedOnCmHandles = Mock(IMap<String, Object>)
39 def mockModuleSyncTasks = Mock(ModuleSyncTasks)
41 def mockCpsAndNcmpLock = Mock(IMap<String,String>)
43 def objectUnderTest = new ModuleSyncWatchdog(mockModuleOperationsUtils, moduleSyncWorkQueue , mockModuleSyncStartedOnCmHandles, mockModuleSyncTasks, mockCpsAndNcmpLock)
45 def 'Module sync advised cm handles with #scenario.'() {
46 given: 'module sync utilities returns #numberOfAdvisedCmHandles advised cm handles'
47 mockModuleOperationsUtils.getAdvisedCmHandleIds() >> createCmHandleIds(numberOfAdvisedCmHandles)
48 and: 'module sync utilities returns no failed (locked) cm handles'
49 mockModuleOperationsUtils.getCmHandlesThatFailedModelSyncOrUpgrade() >> []
50 and: 'the work queue can be locked'
51 mockCpsAndNcmpLock.tryLock('workQueueLock') >> true
52 when: ' module sync is started'
53 objectUnderTest.moduleSyncAdvisedCmHandles()
54 then: 'it performs #expectedNumberOfTaskExecutions tasks'
55 expectedNumberOfTaskExecutions * mockModuleSyncTasks.performModuleSync(*_)
56 and: 'the executing thread is unlocked'
57 1 * mockCpsAndNcmpLock.unlock('workQueueLock')
58 where: 'the following parameter are used'
59 scenario | numberOfAdvisedCmHandles || expectedNumberOfTaskExecutions
60 'none at all' | 0 || 0
61 'less then 1 batch' | 1 || 1
62 'exactly 1 batch' | ModuleSyncWatchdog.MODULE_SYNC_BATCH_SIZE || 1
63 '2 batches' | 2 * ModuleSyncWatchdog.MODULE_SYNC_BATCH_SIZE || 2
64 'queue capacity' | testQueueCapacity || 3
65 'over queue capacity' | testQueueCapacity + 2 * ModuleSyncWatchdog.MODULE_SYNC_BATCH_SIZE || 3
68 def 'Module sync cm handles starts with no available threads.'() {
69 given: 'module sync utilities returns a advise cm handles'
70 mockModuleOperationsUtils.getAdvisedCmHandleIds() >> createCmHandleIds(1)
71 and: 'the work queue can be locked'
72 mockCpsAndNcmpLock.tryLock('workQueueLock') >> true
73 when: ' module sync is started'
74 objectUnderTest.moduleSyncAdvisedCmHandles()
75 then: 'it performs one task'
76 1 * mockModuleSyncTasks.performModuleSync(*_)
79 def 'Module sync advised cm handle already handled by other thread.'() {
80 given: 'module sync utilities returns an advised cm handle'
81 mockModuleOperationsUtils.getAdvisedCmHandleIds() >> createCmHandleIds(1)
82 and: 'the work queue can be locked'
83 mockCpsAndNcmpLock.tryLock('workQueueLock') >> true
84 and: 'the semaphore cache indicates the cm handle is already being processed'
85 mockModuleSyncStartedOnCmHandles.putIfAbsent(*_) >> 'Started'
86 when: 'module sync is started'
87 objectUnderTest.moduleSyncAdvisedCmHandles()
88 then: 'it does NOT execute a task to process the (empty) batch'
89 0 * mockModuleSyncTasks.performModuleSync(*_)
92 def 'Module sync with previous cm handle(s) left in work queue.'() {
93 given: 'there is still a cm handle in the queue'
94 moduleSyncWorkQueue.offer('ch-1')
95 when: 'module sync is started'
96 objectUnderTest.moduleSyncAdvisedCmHandles()
97 then: 'it does executes only one task to process the remaining handle in the queue'
98 1 * mockModuleSyncTasks.performModuleSync(*_)
101 def 'Reset failed cm handles.'() {
102 given: 'module sync utilities returns failed cm handles'
103 def failedCmHandles = [new YangModelCmHandle()]
104 mockModuleOperationsUtils.getCmHandlesThatFailedModelSyncOrUpgrade() >> failedCmHandles
105 when: 'reset failed cm handles is started'
106 objectUnderTest.setPreviouslyLockedCmHandlesToAdvised()
107 then: 'it is delegated to the module sync task (service)'
108 1 * mockModuleSyncTasks.setCmHandlesToAdvised(failedCmHandles)
111 def 'Module Sync Locking.'() {
112 given: 'module sync utilities returns an advised cm handle'
113 mockModuleOperationsUtils.getAdvisedCmHandleIds() >> createCmHandleIds(1)
114 and: 'can be locked is : #canLock'
115 mockCpsAndNcmpLock.tryLock('workQueueLock') >> canLock
116 when: 'attempt to populate the work queue'
117 objectUnderTest.populateWorkQueueIfNeeded()
118 then: 'the queue remains empty is #expectQueueRemainsEmpty'
119 assert moduleSyncWorkQueue.isEmpty() == expectQueueRemainsEmpty
120 and: 'unlock is called only when thread is able to enter the critical section'
121 expectedInvocationToUnlock * mockCpsAndNcmpLock.unlock('workQueueLock')
122 where: 'the following lock states are applied'
123 canLock || expectQueueRemainsEmpty || expectedInvocationToUnlock
128 def createCmHandleIds(numberOfCmHandles) {
129 return (numberOfCmHandles > 0) ? (1..numberOfCmHandles).collect { 'ch-'+it } : []