plugins/plugins-executor/plugins-executor-mvel/src/test/java/org/onap/policy/apex/plugins/executor/mvel/MvelStateFinalizerExecutorTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 Nordix Foundation.
   4  *  Modifications Copyright (C) 2020 Nordix Foundation
   5  * ================================================================================
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *      http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  * SPDX-License-Identifier: Apache-2.0
  19  * ============LICENSE_END=========================================================
  20  */
  21
  22 package org.onap.policy.apex.plugins.executor.mvel;
  23
  24 import static org.assertj.core.api.Assertions.assertThatThrownBy;
  25 import static org.junit.Assert.assertEquals;
  26 import static org.junit.Assert.assertNotNull;
  27
  28 import java.util.Properties;
  29 import org.junit.After;
  30 import org.junit.Before;
  31 import org.junit.Test;
  32 import org.onap.policy.apex.context.ContextException;
  33 import org.onap.policy.apex.context.parameters.ContextParameterConstants;
  34 import org.onap.policy.apex.context.parameters.DistributorParameters;
  35 import org.onap.policy.apex.context.parameters.LockManagerParameters;
  36 import org.onap.policy.apex.context.parameters.PersistorParameters;
  37 import org.onap.policy.apex.core.engine.EngineParameterConstants;
  38 import org.onap.policy.apex.core.engine.EngineParameters;
  39 import org.onap.policy.apex.core.engine.context.ApexInternalContext;
  40 import org.onap.policy.apex.core.engine.event.EnEvent;
  41 import org.onap.policy.apex.core.engine.executor.StateExecutor;
  42 import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
  43 import org.onap.policy.apex.core.engine.executor.impl.ExecutorFactoryImpl;
  44 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
  45 import org.onap.policy.apex.model.eventmodel.concepts.AxEvent;
  46 import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
  47 import org.onap.policy.apex.model.policymodel.concepts.AxState;
  48 import org.onap.policy.apex.model.policymodel.concepts.AxStateFinalizerLogic;
  49 import org.onap.policy.common.parameters.ParameterService;
  50 import org.slf4j.ext.XLogger;
  51 import org.slf4j.ext.XLoggerFactory;
  52
  53 /**
  54  * Test the MvelStateFinalizerExecutor class.
  55  *
  56  */
  57 public class MvelStateFinalizerExecutorTest {
  58
  59     private static final XLogger LOGGER = XLoggerFactory.getXLogger(MvelStateFinalizerExecutorTest.class);
  60
  61     /**
  62      * Initiate Parameters.
  63      */
  64     @Before
  65     public void initiateParameters() {
  66         ParameterService.register(new DistributorParameters());
  67         ParameterService.register(new LockManagerParameters());
  68         ParameterService.register(new PersistorParameters());
  69         ParameterService.register(new EngineParameters());
  70     }
  71
  72     /**
  73      * Clear down Parameters.
  74      */
  75     @After
  76     public void clearParameters() {
  77         ParameterService.deregister(ContextParameterConstants.DISTRIBUTOR_GROUP_NAME);
  78         ParameterService.deregister(ContextParameterConstants.LOCKING_GROUP_NAME);
  79         ParameterService.deregister(ContextParameterConstants.PERSISTENCE_GROUP_NAME);
  80         ParameterService.deregister(EngineParameterConstants.MAIN_GROUP_NAME);
  81     }
  82
  83     @Test
  84     public void testJavaStateFinalizerExecutor() throws StateMachineException, ContextException {
  85         MvelStateFinalizerExecutor msfe = new MvelStateFinalizerExecutor();
  86         assertNotNull(msfe);
  87
  88         assertThatThrownBy(msfe::prepare)
  89             .isInstanceOf(java.lang.NullPointerException.class);
  90         ApexInternalContext internalContext = null;
  91         internalContext = new ApexInternalContext(new AxPolicyModel());
  92
  93         StateExecutor parentStateExcutor = null;
  94
  95         parentStateExcutor = new StateExecutor(new ExecutorFactoryImpl());
  96
  97         AxState state = new AxState();
  98         parentStateExcutor.setContext(null, state, internalContext);
  99         AxStateFinalizerLogic stateFinalizerLogic = new AxStateFinalizerLogic();
 100         msfe.setContext(parentStateExcutor, stateFinalizerLogic, internalContext);
 101
 102         stateFinalizerLogic.setLogic("x > 1 2 ()");
 103         assertThatThrownBy(msfe::prepare)
 104             .hasMessage("failed to compile MVEL code for state NULL:0.0.0:NULL:NULL");
 105         stateFinalizerLogic.setLogic("java.lang.String");
 106
 107         msfe.prepare();
 108
 109         assertThatThrownBy(() -> msfe.execute(-1, new Properties(), null))
 110             .hasMessage("failed to execute MVEL code for state NULL:0.0.0:NULL:NULL");
 111         AxEvent axEvent = new AxEvent(new AxArtifactKey("Event", "0.0.1"));
 112         EnEvent event = new EnEvent(axEvent);
 113         assertThatThrownBy(() -> msfe.execute(-1, new Properties(), event))
 114             .hasMessage("failed to execute MVEL code for state NULL:0.0.0:NULL:NULL");
 115         stateFinalizerLogic.setLogic("executionId !=-1");
 116         msfe.prepare();
 117         assertThatThrownBy(() -> msfe.execute(-1, new Properties(), event))
 118             .hasMessage("execute-post: state finalizer logic execution failure on state \"NULL:0.0.0:"
 119                 + "NULL:NULL\" on finalizer logic NULL:0.0.0:NULL:NULL");
 120         stateFinalizerLogic.setLogic(
 121                 "if (executionId == -1) {return false;}setSelectedStateOutputName(\"SelectedOutputIsMe\");"
 122                         + "return true;");
 123         state.getStateOutputs().put("SelectedOutputIsMe", null);
 124
 125         msfe.prepare();
 126         String stateOutput = msfe.execute(0, new Properties(), event);
 127         assertEquals("SelectedOutputIsMe", stateOutput);
 128         msfe.cleanUp();
 129     }
 130 }