engine-d/src/test/java/org/onap/holmes/engine/manager/DroolsEngineTest.java

   1 /**\r
   2  * Copyright 2017 ZTE Corporation.\r
   3  * <p>\r
   4  * Licensed under the Apache License, Version 2.0 (the "License");\r
   5  * you may not use this file except in compliance with the License.\r
   6  * You may obtain a copy of the License at\r
   7  * <p>\r
   8  * http://www.apache.org/licenses/LICENSE-2.0\r
   9  * <p>\r
  10  * Unless required by applicable law or agreed to in writing, software\r
  11  * distributed under the License is distributed on an "AS IS" BASIS,\r
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13  * See the License for the specific language governing permissions and\r
  14  * limitations under the License.\r
  15  */\r
  16 \r
  17 package org.onap.holmes.engine.manager;\r
  18 \r
  19 import org.junit.Before;\r
  20 import org.junit.Rule;\r
  21 import org.junit.Test;\r
  22 import org.junit.rules.ExpectedException;\r
  23 import org.onap.holmes.common.api.entity.AlarmInfo;\r
  24 import org.onap.holmes.common.api.entity.CorrelationRule;\r
  25 import org.onap.holmes.common.api.stat.VesAlarm;\r
  26 import org.onap.holmes.common.dmaap.store.ClosedLoopControlNameCache;\r
  27 import org.onap.holmes.common.exception.CorrelationException;\r
  28 import org.onap.holmes.common.utils.DbDaoUtil;\r
  29 import org.onap.holmes.engine.db.AlarmInfoDao;\r
  30 import org.onap.holmes.engine.request.DeployRuleRequest;\r
  31 import org.onap.holmes.engine.wrapper.RuleMgtWrapper;\r
  32 import org.powermock.api.easymock.PowerMock;\r
  33 import org.powermock.reflect.Whitebox;\r
  34 \r
  35 import java.util.ArrayList;\r
  36 import java.util.List;\r
  37 import java.util.UUID;\r
  38 import java.util.stream.Collectors;\r
  39 \r
  40 import static org.hamcrest.CoreMatchers.is;\r
  41 import static org.hamcrest.core.IsEqual.equalTo;\r
  42 import static org.junit.Assert.assertThat;\r
  43 \r
  44 public class DroolsEngineTest {\r
  45 \r
  46     @Rule\r
  47     public ExpectedException thrown = ExpectedException.none();\r
  48 \r
  49     private RuleMgtWrapper ruleMgtWrapper;\r
  50 \r
  51     private DroolsEngine droolsEngine;\r
  52 \r
  53     private DbDaoUtil dbDaoUtilStub;\r
  54 \r
  55     private ClosedLoopControlNameCache closedLoopControlNameCache;\r
  56 \r
  57     public DroolsEngineTest() throws Exception {\r
  58         droolsEngine = new DroolsEngine();\r
  59         ruleMgtWrapper = new RuleMgtWrapperStub();\r
  60         dbDaoUtilStub = new DbDaoUtilStub();\r
  61         closedLoopControlNameCache = new ClosedLoopControlNameCache();\r
  62         droolsEngine.setClosedLoopControlNameCache(closedLoopControlNameCache);\r
  63         droolsEngine.setDaoUtil(dbDaoUtilStub);\r
  64         droolsEngine.setRuleMgtWrapper(ruleMgtWrapper);\r
  65 \r
  66         Whitebox.invokeMethod(droolsEngine, "init");\r
  67     }\r
  68 \r
  69     @Before\r
  70     public void setUp() throws Exception {\r
  71         PowerMock.resetAll();\r
  72     }\r
  73 \r
  74     @Test\r
  75     public void deployRule_rule_is_null() throws CorrelationException {\r
  76         thrown.expect(NullPointerException.class);\r
  77         droolsEngine.deployRule(null);\r
  78     }\r
  79 \r
  80     @Test\r
  81     public void deployRule_invalid_rule_no_pkg_name() throws CorrelationException {\r
  82         DeployRuleRequest rule = new DeployRuleRequest();\r
  83         rule.setContent("rule123;");\r
  84         thrown.expect(CorrelationException.class);\r
  85         thrown.expectMessage("The package name can not be empty.");\r
  86 \r
  87         droolsEngine.deployRule(rule);\r
  88     }\r
  89 \r
  90     @Test\r
  91     public void deployRule_invalid_rule_illegal_contents() throws CorrelationException {\r
  92         DeployRuleRequest rule = new DeployRuleRequest();\r
  93         rule.setContent("package rule123; a random string");\r
  94         thrown.expect(CorrelationException.class);\r
  95 \r
  96         droolsEngine.deployRule(rule);\r
  97     }\r
  98 \r
  99     @Test\r
 100     public void deployRule_package_name_repeat() throws CorrelationException {\r
 101         DeployRuleRequest rule = new DeployRuleRequest();\r
 102         rule.setContent("package rule123");\r
 103 \r
 104         thrown.expect(CorrelationException.class);\r
 105         thrown.expectMessage("A rule with the same package name already exists in the system.");\r
 106         droolsEngine.deployRule(rule);\r
 107         droolsEngine.deployRule(rule);\r
 108     }\r
 109 \r
 110     @Test\r
 111     public void undeployRule_package_name_is_null() throws CorrelationException {\r
 112         String packageName = null;\r
 113         thrown.expect(CorrelationException.class);\r
 114         thrown.expectMessage("The package name should not be null.");\r
 115 \r
 116         droolsEngine.undeployRule(packageName);\r
 117     }\r
 118 \r
 119     @Test\r
 120     public void undeployRule_normal() throws CorrelationException {\r
 121         DeployRuleRequest rule = new DeployRuleRequest();\r
 122         rule.setContent("package rule123");\r
 123         droolsEngine.deployRule(rule);\r
 124         droolsEngine.undeployRule("rule123");\r
 125     }\r
 126 \r
 127     @Test\r
 128     public void compileRule_compilation_failure() throws CorrelationException {\r
 129         String content = "invalid contents";\r
 130 \r
 131         thrown.expect(CorrelationException.class);\r
 132 \r
 133         droolsEngine.compileRule(content);\r
 134     }\r
 135 \r
 136     @Test\r
 137     public void compileRule_compilation_deployed_rule() throws CorrelationException {\r
 138         String content = "package deployed;";\r
 139         DeployRuleRequest rule = new DeployRuleRequest();\r
 140         rule.setContent(content);\r
 141         rule.setLoopControlName(UUID.randomUUID().toString());\r
 142         thrown.expect(CorrelationException.class);\r
 143 \r
 144         droolsEngine.deployRule(rule);\r
 145         droolsEngine.compileRule(content);\r
 146     }\r
 147 \r
 148     @Test\r
 149     public void compileRule_compilation_normal() throws CorrelationException {\r
 150         String content = "package deployed;";\r
 151         DeployRuleRequest rule = new DeployRuleRequest();\r
 152         rule.setContent(content);\r
 153         rule.setLoopControlName(UUID.randomUUID().toString());\r
 154 \r
 155         droolsEngine.compileRule(content);\r
 156     }\r
 157 \r
 158     @Test\r
 159     public void putRaisedIntoStream_facthandle_is_not_null() {\r
 160         VesAlarm raiseAlarm = new VesAlarm();\r
 161         raiseAlarm.setSourceId("11111");\r
 162         raiseAlarm.setEventName("alarm");\r
 163         droolsEngine.putRaisedIntoStream(raiseAlarm);\r
 164         droolsEngine.putRaisedIntoStream(raiseAlarm);\r
 165     }\r
 166 \r
 167     @Test\r
 168     public void putRaisedIntoStream_factHandle_is_null() {\r
 169         VesAlarm raiseAlarm = new VesAlarm();\r
 170         raiseAlarm.setSourceId("11111");\r
 171         raiseAlarm.setEventName("alarm");\r
 172         droolsEngine.putRaisedIntoStream(raiseAlarm);\r
 173     }\r
 174 \r
 175     @Test\r
 176     public void stop() throws Exception {\r
 177         droolsEngine.stop();\r
 178     }\r
 179 \r
 180     @Test\r
 181     public void testConvertAlarmInfo2VesAlarm() throws Exception {\r
 182         AlarmInfo alarmInfo = new AlarmInfo();\r
 183         alarmInfo.setEventId("eventId");\r
 184         alarmInfo.setEventName("eventName");\r
 185         alarmInfo.setStartEpochMicroSec(1L);\r
 186         alarmInfo.setLastEpochMicroSec(1L);\r
 187         alarmInfo.setSourceId("sourceId");\r
 188         alarmInfo.setSourceName("sourceName");\r
 189         alarmInfo.setRootFlag(0);\r
 190         alarmInfo.setAlarmIsCleared(1);\r
 191 \r
 192         VesAlarm vesAlarm = Whitebox.invokeMethod(droolsEngine, "convertAlarmInfo2VesAlarm", alarmInfo);\r
 193 \r
 194         assertThat(vesAlarm.getAlarmIsCleared(), is(1));\r
 195         assertThat(vesAlarm.getSourceName(), equalTo("sourceName"));\r
 196         assertThat(vesAlarm.getSourceId(), equalTo("sourceId"));\r
 197         assertThat(vesAlarm.getStartEpochMicrosec(), is(1L));\r
 198         assertThat(vesAlarm.getLastEpochMicrosec(), is(1L));\r
 199         assertThat(vesAlarm.getEventName(), equalTo("eventName"));\r
 200         assertThat(vesAlarm.getEventId(), equalTo("eventId"));\r
 201         assertThat(vesAlarm.getRootFlag(), is(0));\r
 202     }\r
 203 \r
 204     @Test\r
 205     public void testConvertVesAlarm2AlarmInfo() throws Exception {\r
 206         VesAlarm vesAlarm = new VesAlarm();\r
 207         vesAlarm.setEventId("eventId");\r
 208         vesAlarm.setEventName("eventName");\r
 209         vesAlarm.setStartEpochMicrosec(1L);\r
 210         vesAlarm.setLastEpochMicrosec(1L);\r
 211         vesAlarm.setSourceId("sourceId");\r
 212         vesAlarm.setSourceName("sourceName");\r
 213         vesAlarm.setRootFlag(0);\r
 214         vesAlarm.setAlarmIsCleared(1);\r
 215 \r
 216         AlarmInfo alarmInfo = Whitebox.invokeMethod(droolsEngine, "convertVesAlarm2AlarmInfo", vesAlarm);\r
 217 \r
 218         assertThat(alarmInfo.getAlarmIsCleared(), is(1));\r
 219         assertThat(alarmInfo.getSourceName(), equalTo("sourceName"));\r
 220         assertThat(alarmInfo.getSourceId(), equalTo("sourceId"));\r
 221         assertThat(alarmInfo.getStartEpochMicroSec(), is(1L));\r
 222         assertThat(alarmInfo.getLastEpochMicroSec(), is(1L));\r
 223         assertThat(alarmInfo.getEventName(), equalTo("eventName"));\r
 224         assertThat(alarmInfo.getEventId(), equalTo("eventId"));\r
 225         assertThat(alarmInfo.getRootFlag(), is(0));\r
 226     }\r
 227 \r
 228     @Test\r
 229     public void testQueryPackagesFromEngine() throws CorrelationException {\r
 230 \r
 231         DeployRuleRequest rule = new DeployRuleRequest();\r
 232         rule.setContent("package packageCheck; rule \"test\" when eval(1==1) then System.out.println(1); end");\r
 233         rule.setLoopControlName(UUID.randomUUID().toString());\r
 234 \r
 235         droolsEngine.deployRule(rule);\r
 236 \r
 237         List<String> packages = droolsEngine.queryPackagesFromEngine();\r
 238 \r
 239         assertThat(packages.contains("packageCheck"), is(true));\r
 240     }\r
 241 }\r
 242 \r
 243 class RuleMgtWrapperStub extends RuleMgtWrapper {\r
 244     private List<CorrelationRule> rules;\r
 245 \r
 246     public RuleMgtWrapperStub() {\r
 247         rules = new ArrayList<>();\r
 248         CorrelationRule rule = new CorrelationRule();\r
 249         rule.setEnabled(1);\r
 250         rule.setContent("package org.onap.holmes;");\r
 251         rule.setPackageName("UT");\r
 252         rule.setClosedControlLoopName(UUID.randomUUID().toString());\r
 253         rules.add(rule);\r
 254     }\r
 255 \r
 256     public List<CorrelationRule> getRules() {\r
 257         return rules;\r
 258     }\r
 259 \r
 260     public void setRules(List<CorrelationRule> rules) {\r
 261         this.rules = rules;\r
 262     }\r
 263 \r
 264     @Override\r
 265     public List<CorrelationRule> queryRuleByEnable(int enabled) throws CorrelationException {\r
 266         return rules.stream().filter(rule -> rule.getEnabled() == enabled).collect(Collectors.toList());\r
 267     }\r
 268 }\r
 269 \r
 270 class AlarmInfoDaoStub extends AlarmInfoDao {\r
 271 \r
 272     private List<AlarmInfo> alarms;\r
 273 \r
 274     public AlarmInfoDaoStub() {\r
 275         alarms = new ArrayList<>();\r
 276         AlarmInfo info = new AlarmInfo();\r
 277         info.setEventId("eventId");\r
 278         info.setEventName("eventName");\r
 279         info.setStartEpochMicroSec(1L);\r
 280         info.setLastEpochMicroSec(1L);\r
 281         info.setSourceId("sourceId");\r
 282         info.setSourceName("sourceName");\r
 283         info.setRootFlag(0);\r
 284         info.setAlarmIsCleared(1);\r
 285         alarms.add(info);\r
 286     }\r
 287 \r
 288     @Override\r
 289     protected String addAlarm(AlarmInfo alarmInfo) {\r
 290         alarms.add(alarmInfo);\r
 291         return null;\r
 292     }\r
 293 \r
 294     @Override\r
 295     protected List<AlarmInfo> queryAlarm() {\r
 296         return alarms;\r
 297     }\r
 298 \r
 299     @Override\r
 300     protected int deleteAlarmByAlarmIsCleared(String alarmName, String sourceName, String sourceId) {\r
 301         return 1;\r
 302     }\r
 303 }\r
 304 \r
 305 class DbDaoUtilStub extends DbDaoUtil {\r
 306     private AlarmInfoDao dao = new AlarmInfoDaoStub();\r
 307 \r
 308     @Override\r
 309     public <T> T getJdbiDaoByOnDemand(Class<T> daoClazz) {\r
 310 \r
 311         return (T) dao;\r
 312 \r
 313     }\r
 314 }\r