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/*-
* ============LICENSE_START=======================================================
* feature-drools-init
* ================================================================================
* Copyright (C) 2019-2020 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.droolsinit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.rule.FactHandle;
import org.onap.policy.drools.core.PolicySession;
import org.onap.policy.drools.system.PolicyEngineConstants;
import org.powermock.reflect.Whitebox;
public class DroolsInitFeatureTest {
private static final String POLICY_ENGINE_EXECUTOR_FIELD = "executorService";
private static ScheduledExecutorService saveExec;
private static PolicySession policySession;
private static KieSession kieSession;
private DroolsInitFeature feature;
/**
* Class-level initialization.
*/
@BeforeClass
public static void setUpBeforeClass() {
saveExec = Whitebox.getInternalState(PolicyEngineConstants.getManager(), POLICY_ENGINE_EXECUTOR_FIELD);
policySession = mock(PolicySession.class);
kieSession = mock(KieSession.class);
when(policySession.getKieSession()).thenReturn(kieSession);
}
/**
* Restore 'PolicyEngineConstants.manager'.
*/
@AfterClass
public static void cleanup() {
Whitebox.setInternalState(PolicyEngineConstants.getManager(), POLICY_ENGINE_EXECUTOR_FIELD, saveExec);
}
@Before
public void setUp() {
feature = new DroolsInitFeature();
}
@Test
public void getSequenceNumberTest() {
assertEquals(0, feature.getSequenceNumber());
}
@Test
public void selectThreadModelTest() {
assertNull(feature.selectThreadModel(policySession));
}
@Test
public void testInit() {
FactHandle factHandle = mock(FactHandle.class);
when(kieSession.insert(any())).thenReturn(factHandle);
when(kieSession.getObject(factHandle)).thenReturn(new Object());
// dummy 'ScheduledExecutorService' -- 'schedule' runs immediately
ScheduledExecutorService executorService = new ScheduledThreadPoolExecutor(3) {
@Override
public ScheduledFuture<?> schedule(Runnable runnable, long delay, TimeUnit unit) {
runnable.run();
return null;
}
};
Whitebox.setInternalState(PolicyEngineConstants.getManager(), POLICY_ENGINE_EXECUTOR_FIELD, executorService);
// triggers creation of 'DroolsInitFeature.Init'
feature.selectThreadModel(policySession);
// prove that the 'delete' code ran
verify(kieSession).delete(factHandle);
}
}
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