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/*
* ============LICENSE_START=======================================================
* Common Utils
* ================================================================================
* Copyright (C) 2018 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.common.utils.jpa;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import javax.persistence.EntityManagerFactory;
import org.junit.Before;
import org.junit.Test;
public class EntityMgrFactoryCloserTest {
private EntityManagerFactory factory;
@Before
public void setUp() throws Exception {
factory = mock(EntityManagerFactory.class);
}
/**
* Verifies that the constructor does not do anything extra before being closed.
*/
@Test
public void testEntityMgrFactoryCloser() {
EntityMgrFactoryCloser entityMgrFactoryCloser = new EntityMgrFactoryCloser(factory);
assertEquals(factory, entityMgrFactoryCloser.getFactory());
// verify not closed yet
verify(factory, never()).close();
entityMgrFactoryCloser.close();
verify(factory).close();
}
@Test
public void testgetFactory() {
try (EntityMgrFactoryCloser c = new EntityMgrFactoryCloser(factory)) {
assertEquals(factory, c.getFactory());
}
}
/**
* Verifies that the manager gets closed when close() is invoked.
*/
@Test
public void testClose() {
EntityMgrFactoryCloser entityMgrFactoryCloser = new EntityMgrFactoryCloser(factory);
entityMgrFactoryCloser.close();
// should be closed
verify(factory).close();
}
/**
* Ensures that the manager gets closed when "try" block exits normally.
*/
@Test
public void testClose_TryWithoutExcept() {
try (EntityMgrFactoryCloser entityMgrFactoryCloser = new EntityMgrFactoryCloser(factory)) {
// No need to do anything in the try block
}
verify(factory).close();
}
/**
* Ensures that the manager gets closed when "try" block throws an exception.
*/
@Test
public void testClose_TryWithExcept() {
try {
try (EntityMgrFactoryCloser c = new EntityMgrFactoryCloser(factory)) {
throw new Exception("expected exception");
}
} catch (Exception exception) {
// Ignore the exception
}
verify(factory).close();
}
}
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