rulemgt/src/test/java/org/onap/holmes/rulemgt/send/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.send;
  18
  19
  20 import org.easymock.EasyMock;
  21 import org.glassfish.hk2.api.ServiceLocator;
  22 import org.junit.After;
  23 import org.junit.Before;
  24 import org.junit.Rule;
  25 import org.junit.Test;
  26 import org.junit.rules.ExpectedException;
  27 import org.junit.runner.RunWith;
  28 import org.onap.holmes.common.api.entity.CorrelationRule;
  29 import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
  30 import org.onap.holmes.common.utils.DbDaoUtil;
  31 import org.onap.holmes.rulemgt.bolt.enginebolt.EngineWrapper;
  32 import org.onap.holmes.rulemgt.db.CorrelationRuleDao;
  33 import org.onap.holmes.rulemgt.msb.EngineInsQueryTool;
  34 import org.onap.holmes.rulemgt.wrapper.RuleMgtWrapper;
  35 import org.onap.holmes.rulemgt.wrapper.RuleQueryWrapper;
  36 import org.powermock.api.easymock.PowerMock;
  37 import org.powermock.core.classloader.annotations.PrepareForTest;
  38 import org.powermock.modules.junit4.PowerMockRunner;
  39
  40 import java.util.ArrayList;
  41 import java.util.Calendar;
  42 import java.util.Collections;
  43 import java.util.List;
  44 import java.util.stream.Collectors;
  45
  46 import static org.onap.holmes.rulemgt.send.RuleAllocator.ENABLE;
  47
  48 @RunWith(PowerMockRunner.class)
  49 @PrepareForTest({ServiceLocator.class, RuleMgtWrapper.class, RuleQueryWrapper.class, EngineWrapper.class,
  50         EngineInsQueryTool.class, DbDaoUtil.class, ServiceLocatorHolder.class})
  51 public class RuleAllocatorTest {
  52
  53     @Rule
  54     public ExpectedException thrown = ExpectedException.none();
  55
  56     private RuleMgtWrapper ruleMgtWrapperMock;
  57     private RuleQueryWrapper ruleQueryWrapperMock;
  58     private EngineWrapper engineWrapperMock;
  59     private EngineInsQueryTool engineInsQueryToolMock;
  60     private DbDaoUtil dbDaoUtilMock;
  61     private CorrelationRuleDao correlationRuleDaoMock;
  62
  63     private List<CorrelationRule> rules;
  64     private List<String> existingIps;
  65
  66     @Before
  67     public void before() {
  68         PowerMock.mockStatic(ServiceLocatorHolder.class);
  69         ServiceLocator locator = PowerMock.createMock(ServiceLocator.class);
  70         EasyMock.expect(ServiceLocatorHolder.getLocator()).andReturn(locator);
  71
  72         ruleMgtWrapperMock = PowerMock.createMock(RuleMgtWrapper.class);
  73         ruleQueryWrapperMock = PowerMock.createMock(RuleQueryWrapper.class);
  74         engineWrapperMock = PowerMock.createMock(EngineWrapper.class);
  75         engineInsQueryToolMock = PowerMock.createMock(EngineInsQueryTool.class);
  76         dbDaoUtilMock = PowerMock.createMock(DbDaoUtil.class);
  77         correlationRuleDaoMock = PowerMock.createMock(CorrelationRuleDao.class);
  78
  79         EasyMock.expect(locator.getService(RuleMgtWrapper.class)).andReturn(ruleMgtWrapperMock);
  80         EasyMock.expect(locator.getService(RuleQueryWrapper.class)).andReturn(ruleQueryWrapperMock);
  81         EasyMock.expect(locator.getService(EngineWrapper.class)).andReturn(engineWrapperMock);
  82         EasyMock.expect(locator.getService(EngineInsQueryTool.class)).andReturn(engineInsQueryToolMock);
  83         EasyMock.expect(locator.getService(DbDaoUtil.class)).andReturn(dbDaoUtilMock);
  84         EasyMock.expect(dbDaoUtilMock.getJdbiDaoByOnDemand(CorrelationRuleDao.class)).andReturn(correlationRuleDaoMock);
  85
  86         rules = new ArrayList<>();
  87         for (int i = 0; i < 20; ++i) {
  88             CorrelationRule rule = new CorrelationRule();
  89             rule.setRid("rid-" + i);
  90             rule.setName("rule-" + i);
  91             rule.setDescription("desc-" + i);
  92             rule.setEnabled(1);
  93             rule.setTemplateID((long) i);
  94             rule.setEngineID("engine-" + i);
  95             rule.setCreateTime(Calendar.getInstance().getTime());
  96             rule.setUpdateTime(Calendar.getInstance().getTime());
  97             rule.setPackageName("package-" + i);
  98             rule.setClosedControlLoopName("CL-" + i);
  99             rule.setEngineInstance("10.15.3." + (i % 10));
 100             rules.add(rule);
 101         }
 102
 103         existingIps = new ArrayList<>();
 104         for (int i = 0; i < 10; ++i) {
 105             existingIps.add("10.15.3." + i);
 106         }
 107     }
 108
 109     @After
 110     public void after() {
 111         PowerMock.resetAll();
 112     }
 113
 114     @Test
 115     public void allocateRuleTest_engine_scaled_out() throws Exception {
 116
 117         List<String> ipListFromMsb = new ArrayList<>();
 118         ipListFromMsb.add("127.0.0.1");
 119         ipListFromMsb.add("10.23.0.72");
 120         ipListFromMsb.addAll(existingIps);
 121
 122         EasyMock.expect(engineInsQueryToolMock.getInstanceList()).andReturn(existingIps);
 123         EasyMock.expect(ruleQueryWrapperMock.queryRuleByEnable(ENABLE)).andReturn(rules.stream()
 124                 .filter(r -> r.getEnabled() == ENABLE).collect(Collectors.toList()));
 125         for (String ip : existingIps) {
 126             EasyMock.expect(ruleQueryWrapperMock.queryRuleByEngineInstance(EasyMock.anyObject(String.class)))
 127                     .andReturn(rules.stream().filter(r -> r.getEngineInstance().equals(ip)).collect(Collectors.toList()));
 128
 129         }
 130         EasyMock.expect(engineWrapperMock.deleteRuleFromEngine(EasyMock.anyObject(String.class),
 131                 EasyMock.anyObject(String.class))).andReturn(true).anyTimes();
 132         EasyMock.expect(ruleQueryWrapperMock.queryRuleByEngineInstance(EasyMock.anyObject(String.class)))
 133                 .andReturn(new ArrayList<>()).times(2);
 134
 135         EasyMock.expect(ruleMgtWrapperMock.deployRule2Engine(EasyMock.anyObject(CorrelationRule.class),
 136                 EasyMock.anyObject(String.class))).andReturn("").anyTimes();
 137         correlationRuleDaoMock.updateRule(EasyMock.anyObject(CorrelationRule.class));
 138         EasyMock.expectLastCall().anyTimes();
 139
 140         PowerMock.replayAll();
 141
 142         RuleAllocator ruleAllocator = new RuleAllocator();
 143         ruleAllocator.allocateRules(ipListFromMsb);
 144
 145         PowerMock.verifyAll();
 146
 147     }
 148
 149     @Test
 150     public void allocateRuleTest_engine_scaled_in() throws Exception {
 151
 152         List<String> ipListFromMsb = new ArrayList<>();
 153         ipListFromMsb.addAll(existingIps);
 154         ipListFromMsb.remove(0);
 155
 156         List<CorrelationRule> rules = new ArrayList<>();
 157
 158
 159         EasyMock.expect(engineInsQueryToolMock.getInstanceList()).andReturn(existingIps);
 160         for (String ip : existingIps) {
 161             EasyMock.expect(ruleQueryWrapperMock.queryRuleByEngineInstance(EasyMock.anyObject(String.class)))
 162                     .andReturn(rules.stream().filter(r -> r.getEngineInstance().equals(ip)).collect(Collectors.toList()));
 163
 164         }
 165         EasyMock.expect(engineWrapperMock.deleteRuleFromEngine(EasyMock.anyObject(String.class),
 166                 EasyMock.anyObject(String.class))).andReturn(true).anyTimes();
 167
 168         PowerMock.replayAll();
 169
 170         RuleAllocator ruleAllocator = new RuleAllocator();
 171         ruleAllocator.allocateRules(ipListFromMsb);
 172
 173         PowerMock.verifyAll();
 174
 175     }
 176
 177     @Test
 178     public void allocateRuleTest_empty_param() throws Exception {
 179
 180         EasyMock.expect(engineInsQueryToolMock.getInstanceList()).andReturn(Collections.emptyList());
 181
 182         thrown.expect(NullPointerException.class);
 183
 184         PowerMock.replayAll();
 185
 186         RuleAllocator ruleAllocator = new RuleAllocator();
 187         ruleAllocator.allocateRules(null);
 188
 189         PowerMock.verifyAll();
 190
 191     }
 192
 193     @Test
 194     public void allocateRuleTest_equal_engine_instance_num() throws Exception {
 195
 196         List<String> ipListFromMsb = new ArrayList<>();
 197         ipListFromMsb.addAll(existingIps);
 198
 199         EasyMock.expect(engineInsQueryToolMock.getInstanceList()).andReturn(existingIps);
 200
 201         PowerMock.replayAll();
 202
 203         RuleAllocator ruleAllocator = new RuleAllocator();
 204         ruleAllocator.allocateRules(ipListFromMsb);
 205
 206         PowerMock.verifyAll();
 207
 208     }
 209
 210 }