rulemgt/src/test/java/org/onap/holmes/rulemgt/RuleAllocatorTest.java

   1 /**
   2  * Copyright 2017-2021 ZTE Corporation.
   3  * <p>
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  * <p>
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  * <p>
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.holmes.rulemgt;
  18
  19
  20 import org.junit.After;
  21 import org.junit.Before;
  22 import org.junit.Test;
  23 import org.onap.holmes.common.api.entity.CorrelationRule;
  24 import org.onap.holmes.rulemgt.bolt.enginebolt.EngineWrapper;
  25 import org.onap.holmes.rulemgt.db.CorrelationRuleService;
  26 import org.onap.holmes.rulemgt.tools.EngineTools;
  27 import org.onap.holmes.rulemgt.wrapper.RuleMgtWrapper;
  28 import org.onap.holmes.rulemgt.wrapper.RuleQueryWrapper;
  29 import org.powermock.api.easymock.PowerMock;
  30 import org.powermock.core.classloader.annotations.PrepareForTest;
  31
  32 import java.util.ArrayList;
  33 import java.util.Calendar;
  34 import java.util.List;
  35 import java.util.stream.Collectors;
  36
  37 import static org.easymock.EasyMock.*;
  38 import static org.onap.holmes.rulemgt.RuleAllocator.ENABLE;
  39
  40 @PrepareForTest({RuleMgtWrapper.class, RuleQueryWrapper.class, EngineWrapper.class,
  41         EngineTools.class})
  42 public class RuleAllocatorTest {
  43
  44     private RuleMgtWrapper ruleMgtWrapperMock;
  45     private RuleQueryWrapper ruleQueryWrapperMock;
  46     private EngineWrapper engineWrapperMock;
  47     private EngineTools engineToolsMock;
  48     private CorrelationRuleService correlationRuleServiceMock;
  49
  50     private List<CorrelationRule> rules;
  51     private List<String> existingIps;
  52
  53     @Before
  54     public void before() {
  55         ruleMgtWrapperMock = PowerMock.createMock(RuleMgtWrapper.class);
  56         ruleQueryWrapperMock = PowerMock.createMock(RuleQueryWrapper.class);
  57         engineWrapperMock = PowerMock.createMock(EngineWrapper.class);
  58         engineToolsMock = PowerMock.createMock(EngineTools.class);
  59         correlationRuleServiceMock = PowerMock.createMock(CorrelationRuleService.class);
  60
  61         rules = new ArrayList<>();
  62         for (int i = 0; i < 20; ++i) {
  63             CorrelationRule rule = new CorrelationRule();
  64             rule.setRid("rid-" + i);
  65             rule.setName("rule-" + i);
  66             rule.setDescription("desc-" + i);
  67             rule.setEnabled(1);
  68             rule.setTemplateID((long) i);
  69             rule.setEngineID("engine-" + i);
  70             rule.setCreateTime(Calendar.getInstance().getTime());
  71             rule.setUpdateTime(Calendar.getInstance().getTime());
  72             rule.setPackageName("package-" + i);
  73             rule.setClosedControlLoopName("CL-" + i);
  74             rule.setEngineInstance("10.15.3." + (i % 10));
  75             rules.add(rule);
  76         }
  77
  78         existingIps = new ArrayList<>();
  79         for (int i = 0; i < 10; ++i) {
  80             existingIps.add("10.15.3." + i);
  81         }
  82     }
  83
  84     @After
  85     public void after() {
  86         PowerMock.resetAll();
  87     }
  88
  89     @Test
  90     public void allocateRuleTest_engine_scaled_out() throws Exception {
  91
  92         List<String> newEngineInstances = new ArrayList();
  93         newEngineInstances.add("127.0.0.1");
  94         newEngineInstances.add("10.23.0.72");
  95
  96         List<String> ipListFromMsb = new ArrayList();
  97         ipListFromMsb.addAll(newEngineInstances);
  98         ipListFromMsb.addAll(existingIps);
  99
 100         expect(engineToolsMock.getInstanceList()).andReturn(ipListFromMsb);
 101         expect(engineToolsMock.getLegacyEngineInstances()).andReturn(existingIps);
 102         expect(ruleQueryWrapperMock.queryRuleByEnable(ENABLE)).andReturn(rules.stream()
 103                 .filter(r -> r.getEnabled() == ENABLE).collect(Collectors.toList()));
 104         for (String ip : existingIps) {
 105             expect(ruleQueryWrapperMock.queryRuleByEngineInstance(ip))
 106                     .andReturn(rules.stream().filter(r -> r.getEngineInstance().equals(ip)).collect(Collectors.toList()));
 107
 108         }
 109         expect(engineWrapperMock.deleteRuleFromEngine(anyObject(String.class),
 110                 anyObject(String.class))).andReturn(true).anyTimes();
 111         expect(ruleQueryWrapperMock.queryRuleByEngineInstance(anyObject(String.class)))
 112                 .andReturn(new ArrayList<>()).times(2);
 113
 114         expect(ruleMgtWrapperMock.deployRule2Engine(anyObject(CorrelationRule.class),
 115                 anyObject(String.class))).andReturn("").anyTimes();
 116         correlationRuleServiceMock.updateRule(anyObject(CorrelationRule.class));
 117         expectLastCall().anyTimes();
 118
 119         PowerMock.replayAll();
 120
 121         RuleAllocator ruleAllocator = new RuleAllocator(ruleMgtWrapperMock, ruleQueryWrapperMock,
 122                 engineWrapperMock, engineToolsMock, correlationRuleServiceMock);
 123         ruleAllocator.allocateRules();
 124
 125         PowerMock.verifyAll();
 126
 127     }
 128
 129     @Test
 130     public void allocateRuleTest_engine_scaled_in() throws Exception {
 131
 132         List<String> ipListFromMsb = new ArrayList<>();
 133         ipListFromMsb.addAll(existingIps);
 134         ipListFromMsb.remove(0);
 135
 136         expect(engineToolsMock.getInstanceList()).andReturn(ipListFromMsb);
 137         expect(engineToolsMock.getLegacyEngineInstances()).andReturn(existingIps);
 138         for (String ip : existingIps) {
 139             expect(ruleQueryWrapperMock.queryRuleByEngineInstance(anyObject(String.class)))
 140                     .andReturn(rules.stream().filter(r -> r.getEngineInstance().equals(ip)).collect(Collectors.toList()));
 141
 142         }
 143         expect(ruleMgtWrapperMock.deployRule2Engine(anyObject(CorrelationRule.class), anyString())).andReturn("anyId").times(2);
 144         correlationRuleServiceMock.updateRule(anyObject(CorrelationRule.class));
 145         expectLastCall().times(2);
 146
 147         PowerMock.replayAll();
 148
 149         RuleAllocator ruleAllocator = new RuleAllocator(ruleMgtWrapperMock, ruleQueryWrapperMock,
 150                 engineWrapperMock, engineToolsMock, correlationRuleServiceMock);
 151
 152         ruleAllocator.allocateRules();
 153
 154         PowerMock.verifyAll();
 155
 156     }
 157 }