gerrit.onap Code Review - policy/apex-pdp.git/blob

   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
  51 /**
  52  * Test the MvelStateFinalizerExecutor class.
  53  *
  54  */
  55 public class MvelStateFinalizerExecutorTest {
  56     /**
  57      * Initiate Parameters.
  58      */
  59     @Before
  60     public void initiateParameters() {
  61         ParameterService.register(new DistributorParameters());
  62         ParameterService.register(new LockManagerParameters());
  63         ParameterService.register(new PersistorParameters());
  64         ParameterService.register(new EngineParameters());
  65     }
  66
  67     /**
  68      * Clear down Parameters.
  69      */
  70     @After
  71     public void clearParameters() {
  72         ParameterService.deregister(ContextParameterConstants.DISTRIBUTOR_GROUP_NAME);
  73         ParameterService.deregister(ContextParameterConstants.LOCKING_GROUP_NAME);
  74         ParameterService.deregister(ContextParameterConstants.PERSISTENCE_GROUP_NAME);
  75         ParameterService.deregister(EngineParameterConstants.MAIN_GROUP_NAME);
  76     }
  77
  78     @Test
  79     public void testJavaStateFinalizerExecutor() throws StateMachineException, ContextException {
  80         MvelStateFinalizerExecutor msfe = new MvelStateFinalizerExecutor();
  81         assertNotNull(msfe);
  82
  83         assertThatThrownBy(msfe::prepare).isInstanceOf(java.lang.NullPointerException.class);
  84         ApexInternalContext internalContext = null;
  85         internalContext = new ApexInternalContext(new AxPolicyModel());
  86
  87         StateExecutor parentStateExcutor = null;
  88
  89         parentStateExcutor = new StateExecutor(new ExecutorFactoryImpl());
  90
  91         AxState state = new AxState();
  92         parentStateExcutor.setContext(null, state, internalContext);
  93         AxStateFinalizerLogic stateFinalizerLogic = new AxStateFinalizerLogic();
  94         msfe.setContext(parentStateExcutor, stateFinalizerLogic, internalContext);
  95
  96         stateFinalizerLogic.setLogic("x > 1 2 ()");
  97         assertThatThrownBy(msfe::prepare).hasMessage("failed to compile MVEL code for state NULL:0.0.0:NULL:NULL");
  98         stateFinalizerLogic.setLogic("java.lang.String");
  99
 100         msfe.prepare();
 101
 102         assertThatThrownBy(() -> msfe.execute(-1, new Properties(), null))
 103             .hasMessage("failed to execute MVEL code for state NULL:0.0.0:NULL:NULL");
 104         AxEvent axEvent = new AxEvent(new AxArtifactKey("Event", "0.0.1"));
 105         EnEvent event = new EnEvent(axEvent);
 106         assertThatThrownBy(() -> msfe.execute(-1, new Properties(), event))
 107             .hasMessage("failed to execute MVEL code for state NULL:0.0.0:NULL:NULL");
 108         stateFinalizerLogic.setLogic("executionId !=-1");
 109         msfe.prepare();
 110         assertThatThrownBy(() -> msfe.execute(-1, new Properties(), event))
 111             .hasMessage("execute-post: state finalizer logic execution failure on state \"NULL:0.0.0:"
 112                 + "NULL:NULL\" on finalizer logic NULL:0.0.0:NULL:NULL");
 113         stateFinalizerLogic
 114             .setLogic("if (executionId == -1) {return false;}setSelectedStateOutputName(\"SelectedOutputIsMe\");"
 115                 + "return true;");
 116         state.getStateOutputs().put("SelectedOutputIsMe", null);
 117
 118         msfe.prepare();
 119         String stateOutput = msfe.execute(0, new Properties(), event);
 120         assertEquals("SelectedOutputIsMe", stateOutput);
 121         msfe.cleanUp();
 122     }
 123 }