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

   1 /**
   2  * Copyright 2017 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 import org.powermock.reflect.Whitebox;
  40
  41 import java.util.ArrayList;
  42 import java.util.Calendar;
  43 import java.util.Collections;
  44 import java.util.List;
  45 import java.util.stream.Collectors;
  46
  47 import static org.hamcrest.core.IsEqual.equalTo;
  48 import static org.junit.Assert.assertThat;
  49 import static org.onap.holmes.rulemgt.send.RuleAllocator.ENABLE;
  50
  51 @RunWith(PowerMockRunner.class)
  52 @PrepareForTest({ServiceLocator.class, RuleMgtWrapper.class, RuleQueryWrapper.class, EngineWrapper.class,
  53         EngineInsQueryTool.class, DbDaoUtil.class, RuleAllocator.class, ServiceLocatorHolder.class})
  54 public class RuleAllocatorTest {
  55
  56     @Rule
  57     public ExpectedException thrown = ExpectedException.none();
  58
  59     private RuleMgtWrapper ruleMgtWrapperMock;
  60     private RuleQueryWrapper ruleQueryWrapperMock;
  61     private EngineWrapper engineWrapperMock;
  62     private EngineInsQueryTool engineInsQueryToolMock;
  63     private DbDaoUtil dbDaoUtilMock;
  64     private CorrelationRuleDao correlationRuleDaoMock;
  65
  66     private List<CorrelationRule> rules;
  67     private List<String> existingIps;
  68
  69     @Before
  70     public void before() {
  71         PowerMock.mockStatic(ServiceLocatorHolder.class);
  72         ServiceLocator locator = PowerMock.createMock(ServiceLocator.class);
  73         EasyMock.expect(ServiceLocatorHolder.getLocator()).andReturn(locator);
  74
  75         ruleMgtWrapperMock = PowerMock.createMock(RuleMgtWrapper.class);
  76         ruleQueryWrapperMock = PowerMock.createMock(RuleQueryWrapper.class);
  77         engineWrapperMock = PowerMock.createMock(EngineWrapper.class);
  78         engineInsQueryToolMock = PowerMock.createMock(EngineInsQueryTool.class);
  79         dbDaoUtilMock = PowerMock.createMock(DbDaoUtil.class);
  80         correlationRuleDaoMock = PowerMock.createMock(CorrelationRuleDao.class);
  81
  82         EasyMock.expect(locator.getService(RuleMgtWrapper.class)).andReturn(ruleMgtWrapperMock);
  83         EasyMock.expect(locator.getService(RuleQueryWrapper.class)).andReturn(ruleQueryWrapperMock);
  84         EasyMock.expect(locator.getService(EngineWrapper.class)).andReturn(engineWrapperMock);
  85         EasyMock.expect(locator.getService(EngineInsQueryTool.class)).andReturn(engineInsQueryToolMock);
  86         EasyMock.expect(locator.getService(DbDaoUtil.class)).andReturn(dbDaoUtilMock);
  87         EasyMock.expect(dbDaoUtilMock.getJdbiDaoByOnDemand(CorrelationRuleDao.class)).andReturn(correlationRuleDaoMock);
  88
  89         rules = new ArrayList<>();
  90         for (int i = 0; i < 20; ++i) {
  91             CorrelationRule rule = new CorrelationRule();
  92             rule.setRid("rid-" + i);
  93             rule.setName("rule-" + i);
  94             rule.setDescription("desc-" + i);
  95             rule.setEnabled(1);
  96             rule.setTemplateID((long) i);
  97             rule.setEngineID("engine-" + i);
  98             rule.setCreateTime(Calendar.getInstance().getTime());
  99             rule.setUpdateTime(Calendar.getInstance().getTime());
 100             rule.setPackageName("package-" + i);
 101             rule.setClosedControlLoopName("CL-" + i);
 102             rule.setEngineInstance("10.15.3." + (i % 10));
 103             rules.add(rule);
 104         }
 105
 106         existingIps = new ArrayList<>();
 107         for (int i = 0; i < 10; ++i) {
 108             existingIps.add("10.15.3." + i);
 109         }
 110     }
 111
 112     @After
 113     public void after() {
 114         PowerMock.resetAll();
 115     }
 116
 117     @Test
 118     public void allocateRuleTest_engine_scaled_out() throws Exception {
 119
 120         List<String> ipListFromMsb = new ArrayList<>();
 121         ipListFromMsb.add("127.0.0.1");
 122         ipListFromMsb.add("10.23.0.72");
 123         ipListFromMsb.addAll(existingIps);
 124
 125         EasyMock.expect(engineInsQueryToolMock.getInstanceList()).andReturn(existingIps);
 126         EasyMock.expect(ruleQueryWrapperMock.queryRuleByEnable(ENABLE)).andReturn(rules.stream()
 127                 .filter(r -> r.getEnabled() == ENABLE).collect(Collectors.toList()));
 128         for (String ip : existingIps) {
 129             EasyMock.expect(ruleQueryWrapperMock.queryRuleByEngineInstance(EasyMock.anyObject(String.class)))
 130                     .andReturn(rules.stream().filter(r -> r.getEngineInstance().equals(ip)).collect(Collectors.toList()));
 131
 132         }
 133         EasyMock.expect(engineWrapperMock.deleteRuleFromEngine(EasyMock.anyObject(String.class),
 134                 EasyMock.anyObject(String.class))).andReturn(true).anyTimes();
 135         EasyMock.expect(ruleQueryWrapperMock.queryRuleByEngineInstance(EasyMock.anyObject(String.class)))
 136                 .andReturn(new ArrayList<>()).times(2);
 137
 138         EasyMock.expect(ruleMgtWrapperMock.deployRule2Engine(EasyMock.anyObject(CorrelationRule.class),
 139                 EasyMock.anyObject(String.class))).andReturn("").anyTimes();
 140         correlationRuleDaoMock.updateRule(EasyMock.anyObject(CorrelationRule.class));
 141         EasyMock.expectLastCall().anyTimes();
 142
 143         PowerMock.replayAll();
 144
 145         RuleAllocator ruleAllocator = new RuleAllocator();
 146         ruleAllocator.allocateRules(ipListFromMsb);
 147
 148         PowerMock.verifyAll();
 149
 150     }
 151
 152     @Test
 153     public void allocateRuleTest_engine_scaled_in() throws Exception {
 154
 155         List<String> ipListFromMsb = new ArrayList<>();
 156         ipListFromMsb.addAll(existingIps);
 157         ipListFromMsb.remove(0);
 158
 159         List<CorrelationRule> rules = new ArrayList<>();
 160
 161
 162         EasyMock.expect(engineInsQueryToolMock.getInstanceList()).andReturn(existingIps);
 163         for (String ip : existingIps) {
 164             EasyMock.expect(ruleQueryWrapperMock.queryRuleByEngineInstance(EasyMock.anyObject(String.class)))
 165                     .andReturn(rules.stream().filter(r -> r.getEngineInstance().equals(ip)).collect(Collectors.toList()));
 166
 167         }
 168         EasyMock.expect(engineWrapperMock.deleteRuleFromEngine(EasyMock.anyObject(String.class),
 169                 EasyMock.anyObject(String.class))).andReturn(true).anyTimes();
 170
 171         PowerMock.replayAll();
 172
 173         RuleAllocator ruleAllocator = new RuleAllocator();
 174         ruleAllocator.allocateRules(ipListFromMsb);
 175
 176         PowerMock.verifyAll();
 177
 178     }
 179
 180     @Test
 181     public void allocateRuleTest_empty_param() throws Exception {
 182
 183         EasyMock.expect(engineInsQueryToolMock.getInstanceList()).andReturn(Collections.emptyList());
 184
 185         thrown.expect(NullPointerException.class);
 186
 187         PowerMock.replayAll();
 188
 189         RuleAllocator ruleAllocator = new RuleAllocator();
 190         ruleAllocator.allocateRules(null);
 191
 192         PowerMock.verifyAll();
 193
 194     }
 195
 196     @Test
 197     public void allocateRuleTest_equal_engine_instance_num() throws Exception {
 198
 199         List<String> ipListFromMsb = new ArrayList<>();
 200         ipListFromMsb.addAll(existingIps);
 201
 202         EasyMock.expect(engineInsQueryToolMock.getInstanceList()).andReturn(existingIps);
 203
 204         PowerMock.replayAll();
 205
 206         RuleAllocator ruleAllocator = new RuleAllocator();
 207         ruleAllocator.allocateRules(ipListFromMsb);
 208
 209         PowerMock.verifyAll();
 210
 211     }
 212
 213 }