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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* Modifications Copyright (C) 2020, 2023 Nordix Foundation.
* Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.core.engine.executor;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.TreeMap;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.MockitoJUnitRunner;
import org.onap.policy.apex.context.ContextException;
import org.onap.policy.apex.core.engine.ExecutorParameters;
import org.onap.policy.apex.core.engine.TaskParameters;
import org.onap.policy.apex.core.engine.context.ApexInternalContext;
import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
import org.onap.policy.apex.model.eventmodel.concepts.AxEvent;
import org.onap.policy.apex.model.eventmodel.concepts.AxField;
import org.onap.policy.apex.model.eventmodel.concepts.AxInputField;
import org.onap.policy.apex.model.eventmodel.concepts.AxOutputField;
import org.onap.policy.apex.model.policymodel.concepts.AxTask;
import org.onap.policy.apex.model.policymodel.concepts.AxTaskLogic;
import org.onap.policy.apex.model.policymodel.concepts.AxTaskParameter;
/**
* Test task excutor.
*/
@RunWith(MockitoJUnitRunner.class)
public class TaskExecutorTest {
@Mock
private AxTask axTaskMock;
@Mock
private ApexInternalContext internalContextMock;
@Mock
private AxInputField axInputFieldMock;
@Mock
private AxInputField axOptionalInputFieldMock;
@Mock
private AxOutputField axOutputFieldMock;
@Mock
private AxOutputField axOptionalOutputFieldMock;
@Mock
private AxOutputField axMissingOutputFieldMock;
@Mock
private Executor<Map<String, Object>, Map<String, Map<String, Object>>, AxTask,
ApexInternalContext> nextExecutorMock;
@Mock
private AxTaskLogic taskLogicMock;
private Map<String, AxField> inFieldMap;
private Map<String, AxField> outFieldMap;
private List<TaskParameters> taskParametersFromConfig;
private Map<String, AxEvent> outEvents = new TreeMap<>();
/**
* Set up mocking.
*/
@Before
public void startMocking() {
AxArtifactKey task0Key = new AxArtifactKey("Task0:0.0.1");
Mockito.doReturn(task0Key).when(axTaskMock).getKey();
Mockito.doReturn(task0Key.getId()).when(axTaskMock).getId();
inFieldMap = Map.of("InField0", axInputFieldMock, "InField1", axOptionalInputFieldMock);
outFieldMap = new LinkedHashMap<>();
outFieldMap.put("OutField0", axOutputFieldMock);
outFieldMap.put("OutField1", axOptionalOutputFieldMock);
AxEvent inEvent = new AxEvent();
inEvent.setParameterMap(inFieldMap);
AxEvent outEvent = new AxEvent(new AxArtifactKey("outputEvent:1.0.0"));
outEvent.setParameterMap(outFieldMap);
outEvents.put(outEvent.getKey().getName(), outEvent);
AxArtifactKey schemaKey = new AxArtifactKey("Schema:0.0.1");
Mockito.doReturn(schemaKey).when(axInputFieldMock).getSchema();
Mockito.doReturn(schemaKey).when(axOptionalInputFieldMock).getSchema();
Mockito.doReturn(schemaKey).when(axMissingOutputFieldMock).getSchema();
Mockito.doReturn(true).when(axOptionalInputFieldMock).getOptional();
Mockito.doReturn(false).when(axMissingOutputFieldMock).getOptional();
Mockito.doReturn(taskLogicMock).when(axTaskMock).getTaskLogic();
Mockito.doReturn(inEvent).when(axTaskMock).getInputEvent();
Mockito.doReturn(outEvents).when(axTaskMock).getOutputEvents();
Mockito.doReturn(new AxArtifactKey("Context:0.0.1")).when(internalContextMock).getKey();
Map<String, AxTaskParameter> taskParameters = new HashMap<>();
taskParameters.put("parameterKey2", new AxTaskParameter(new AxReferenceKey(), "parameterOriginalValue2"));
Mockito.doReturn(taskParameters).when(axTaskMock).getTaskParameters();
taskParametersFromConfig = new ArrayList<>();
taskParametersFromConfig.add(new TaskParameters("parameterKey0", "parameterNewValue0", "Task0:0.0.1"));
taskParametersFromConfig.add(new TaskParameters("parameterKey1", "parameterNewValue1", "Task1:0.0.1"));
taskParametersFromConfig.add(new TaskParameters("parameterKey2", "parameterNewValue2", null));
}
@Test
public void testTaskExecutor() throws StateMachineException, ContextException {
final DummyTaskExecutor executor = new DummyTaskExecutor();
executor.setContext(null, axTaskMock, internalContextMock);
assertEquals("Task0:0.0.1", executor.getKey().getId());
assertEquals(null, executor.getExecutionContext());
assertEquals(null, executor.getParent());
assertEquals(internalContextMock, executor.getContext());
assertEquals(null, executor.getNext());
assertEquals(null, executor.getIncoming());
assertEquals(null, executor.getOutgoing());
assertNotNull(executor.getSubject());
executor.setParameters(new ExecutorParameters());
executor.setNext(nextExecutorMock);
assertEquals(nextExecutorMock, executor.getNext());
executor.setNext(null);
assertEquals(null, executor.getNext());
assertThatThrownBy(() -> executor.cleanUp()).hasMessageContaining("cleanUp() not implemented on class");
Mockito.doReturn(null).when(taskLogicMock).getLogic();
assertThatThrownBy(() -> executor.prepare()).hasMessageContaining("task logic cannot be null.");
Mockito.doReturn("some task logic").when(taskLogicMock).getLogic();
executor.prepare();
Map<String, Object> incomingFields = new LinkedHashMap<>();
incomingFields.put("InField0", "A Value");
executor.executePre(0, new Properties(), incomingFields);
assertThatThrownBy(() -> executor.execute(0, new Properties(), incomingFields))
.hasMessageContaining("execute() not implemented on abstract TaskExecutor class, only on its subclasses");
assertThatThrownBy(() -> executor.executePost(false)).hasMessageContaining(
"execute-post: task logic execution failure on task \"Task0\" in model Context:0.0.1");
executor.getExecutionContext().setMessage("Execution message");
assertThatThrownBy(() -> executor.executePost(false)).hasMessageContaining(
"execute-post: task logic execution failure on task \"Task0\" in model Context:0.0.1, "
+ "user message: Execution message");
executor.executePost(true);
outFieldMap.put("MissingField", axMissingOutputFieldMock);
outEvents.get("outputEvent").getParameterMap().put("MissingField", axMissingOutputFieldMock);
assertThatThrownBy(() -> executor.executePost(true)).hasMessageContaining(
"Fields for task output events \"[outputEvent]\" are missing for task \"Task0:0.0.1\"");
outFieldMap.remove("MissingField");
outEvents.get("outputEvent").getParameterMap().remove("MissingField");
executor.getExecutionContext().outFields.put("BadExtraField", "Howdy!");
assertThatThrownBy(() -> executor.executePost(true)).hasMessageContaining(
"task output event \"[outputEvent]\" contains fields that are unwanted for task \"Task0:0.0.1\"");
executor.getExecutionContext().outFields.remove("BadExtraField");
outFieldMap.put("InField1", axMissingOutputFieldMock);
executor.executePost(true);
outFieldMap.put("InField0", axMissingOutputFieldMock);
executor.executePost(true);
executor.getExecutionContext().outFields.put("InField0", "Output Value");
outEvents.get("outputEvent").getParameterMap().put("InField0", axMissingOutputFieldMock);
executor.executePost(true);
executor.getExecutionContext().outFields.remove("InField0");
executor.executePost(true);
assertThatThrownBy(() -> executor.executePre(0, null, incomingFields))
.hasMessageMatching("^executionProperties is marked .*on.*ull but is null$");
}
@Test
public void testTaskExecutorForTaskParameters() {
DummyTaskExecutor executorForParmeterTest = new DummyTaskExecutor(false);
executorForParmeterTest.setContext(null, axTaskMock, internalContextMock);
executorForParmeterTest.updateTaskParameters(taskParametersFromConfig);
assertNotNull(executorForParmeterTest.getSubject().getTaskParameters());
// taskId matched, parameter value updated with the new value
assertEquals("parameterNewValue0",
executorForParmeterTest.getSubject().getTaskParameters().get("parameterKey0").getTaskParameterValue());
// taskId mismatch, so the parameter is not updated in the task
assertNull(executorForParmeterTest.getSubject().getTaskParameters().get("parameterKey1"));
// taskId is not available, so parameter is updated in the task
assertEquals("parameterNewValue2",
executorForParmeterTest.getSubject().getTaskParameters().get("parameterKey2").getTaskParameterValue());
}
}
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