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

   1 /**
   2  * Copyright 2017-2020 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.glassfish.hk2.api.ServiceLocator;
  21 import org.junit.After;
  22 import org.junit.Before;
  23 import org.junit.Ignore;
  24 import org.junit.Test;
  25 import org.junit.runner.RunWith;
  26 import org.onap.holmes.common.api.entity.CorrelationRule;
  27 import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
  28 import org.onap.holmes.common.utils.DbDaoUtil;
  29 import org.onap.holmes.rulemgt.bolt.enginebolt.EngineWrapper;
  30 import org.onap.holmes.rulemgt.db.CorrelationRuleDao;
  31 import org.onap.holmes.rulemgt.tools.EngineTools;
  32 import org.onap.holmes.rulemgt.wrapper.RuleMgtWrapper;
  33 import org.onap.holmes.rulemgt.wrapper.RuleQueryWrapper;
  34 import org.powermock.api.easymock.PowerMock;
  35 import org.powermock.core.classloader.annotations.PrepareForTest;
  36 import org.powermock.modules.junit4.PowerMockRunner;
  37 import org.powermock.reflect.Whitebox;
  38
  39 import java.util.ArrayList;
  40 import java.util.Calendar;
  41 import java.util.List;
  42 import java.util.stream.Collectors;
  43
  44 import static org.easymock.EasyMock.*;
  45 import static org.onap.holmes.rulemgt.RuleAllocator.ENABLE;
  46
  47 @RunWith(PowerMockRunner.class)
  48 @PrepareForTest({ServiceLocator.class, RuleMgtWrapper.class, RuleQueryWrapper.class, EngineWrapper.class,
  49         EngineTools.class, DbDaoUtil.class, ServiceLocatorHolder.class})
  50 public class RuleAllocatorTest {
  51
  52     private RuleMgtWrapper ruleMgtWrapperMock;
  53     private RuleQueryWrapper ruleQueryWrapperMock;
  54     private EngineWrapper engineWrapperMock;
  55     private EngineTools engineToolsMock;
  56     private DbDaoUtil dbDaoUtilMock;
  57     private CorrelationRuleDao correlationRuleDaoMock;
  58
  59     private List<CorrelationRule> rules;
  60     private List<String> existingIps;
  61
  62     @Before
  63     public void before() {
  64         ruleMgtWrapperMock = PowerMock.createMock(RuleMgtWrapper.class);
  65         ruleQueryWrapperMock = PowerMock.createMock(RuleQueryWrapper.class);
  66         engineWrapperMock = PowerMock.createMock(EngineWrapper.class);
  67         engineToolsMock = PowerMock.createMock(EngineTools.class);
  68         dbDaoUtilMock = PowerMock.createMock(DbDaoUtil.class);
  69         correlationRuleDaoMock = PowerMock.createMock(CorrelationRuleDao.class);
  70
  71         rules = new ArrayList<>();
  72         for (int i = 0; i < 20; ++i) {
  73             CorrelationRule rule = new CorrelationRule();
  74             rule.setRid("rid-" + i);
  75             rule.setName("rule-" + i);
  76             rule.setDescription("desc-" + i);
  77             rule.setEnabled(1);
  78             rule.setTemplateID((long) i);
  79             rule.setEngineID("engine-" + i);
  80             rule.setCreateTime(Calendar.getInstance().getTime());
  81             rule.setUpdateTime(Calendar.getInstance().getTime());
  82             rule.setPackageName("package-" + i);
  83             rule.setClosedControlLoopName("CL-" + i);
  84             rule.setEngineInstance("10.15.3." + (i % 10));
  85             rules.add(rule);
  86         }
  87
  88         existingIps = new ArrayList<>();
  89         for (int i = 0; i < 10; ++i) {
  90             existingIps.add("10.15.3." + i);
  91         }
  92     }
  93
  94     @After
  95     public void after() {
  96         PowerMock.resetAll();
  97     }
  98
  99     @Test
 100     public void allocateRuleTest_engine_scaled_out() throws Exception {
 101
 102         List<String> newEngineInstances = new ArrayList();
 103         newEngineInstances.add("127.0.0.1");
 104         newEngineInstances.add("10.23.0.72");
 105
 106         List<String> ipListFromMsb = new ArrayList();
 107         ipListFromMsb.addAll(newEngineInstances);
 108         ipListFromMsb.addAll(existingIps);
 109
 110         expect(dbDaoUtilMock.getJdbiDaoByOnDemand(CorrelationRuleDao.class)).andReturn(correlationRuleDaoMock);
 111         expect(engineToolsMock.getInstanceList()).andReturn(ipListFromMsb);
 112         expect(engineToolsMock.getLegacyEngineInstances()).andReturn(existingIps);
 113         expect(ruleQueryWrapperMock.queryRuleByEnable(ENABLE)).andReturn(rules.stream()
 114                 .filter(r -> r.getEnabled() == ENABLE).collect(Collectors.toList()));
 115         for (String ip : existingIps) {
 116             expect(ruleQueryWrapperMock.queryRuleByEngineInstance(ip))
 117                     .andReturn(rules.stream().filter(r -> r.getEngineInstance().equals(ip)).collect(Collectors.toList()));
 118
 119         }
 120         expect(engineWrapperMock.deleteRuleFromEngine(anyObject(String.class),
 121                 anyObject(String.class))).andReturn(true).anyTimes();
 122         expect(ruleQueryWrapperMock.queryRuleByEngineInstance(anyObject(String.class)))
 123                 .andReturn(new ArrayList<>()).times(2);
 124
 125         expect(ruleMgtWrapperMock.deployRule2Engine(anyObject(CorrelationRule.class),
 126                 anyObject(String.class))).andReturn("").anyTimes();
 127         correlationRuleDaoMock.updateRule(anyObject(CorrelationRule.class));
 128         expectLastCall().anyTimes();
 129
 130         PowerMock.replayAll();
 131
 132         RuleAllocator ruleAllocator = new RuleAllocator(ruleMgtWrapperMock, ruleQueryWrapperMock,
 133                 engineWrapperMock, engineToolsMock, dbDaoUtilMock);
 134         ruleAllocator.allocateRules();
 135
 136         PowerMock.verifyAll();
 137
 138     }
 139
 140     @Test
 141     public void allocateRuleTest_engine_scaled_in() throws Exception {
 142
 143         List<String> ipListFromMsb = new ArrayList<>();
 144         ipListFromMsb.addAll(existingIps);
 145         ipListFromMsb.remove(0);
 146
 147         expect(dbDaoUtilMock.getJdbiDaoByOnDemand(CorrelationRuleDao.class)).andReturn(correlationRuleDaoMock);
 148         expect(engineToolsMock.getInstanceList()).andReturn(ipListFromMsb);
 149         expect(engineToolsMock.getLegacyEngineInstances()).andReturn(existingIps);
 150         for (String ip : existingIps) {
 151             expect(ruleQueryWrapperMock.queryRuleByEngineInstance(anyObject(String.class)))
 152                     .andReturn(rules.stream().filter(r -> r.getEngineInstance().equals(ip)).collect(Collectors.toList()));
 153
 154         }
 155         expect(ruleMgtWrapperMock.deployRule2Engine(anyObject(CorrelationRule.class), anyString())).andReturn("anyId").times(2);
 156         correlationRuleDaoMock.updateRule(anyObject(CorrelationRule.class));
 157         expectLastCall().times(2);
 158
 159         PowerMock.replayAll();
 160
 161         RuleAllocator ruleAllocator = new RuleAllocator(ruleMgtWrapperMock, ruleQueryWrapperMock,
 162                 engineWrapperMock, engineToolsMock, dbDaoUtilMock);
 163
 164         ruleAllocator.allocateRules();
 165
 166         PowerMock.verifyAll();
 167
 168     }
 169 }