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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.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import javax.persistence.EntityTransaction;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.common.utils.jpa.EntityTransCloser;
public class EntityTransCloserTest {
private EntityTransaction trans;
@Before
public void setUp() throws Exception {
trans = mock(EntityTransaction.class);
when(trans.isActive()).thenReturn(true);
}
/**
* Verifies that the constructor starts a transaction, but does not do
* anything extra before being closed.
*/
@Test
public void testEntityTransCloser() {
EntityTransCloser t = new EntityTransCloser(trans);
assertEquals(trans, t.getTransation());
// verify that transaction was started
verify(trans).begin();
// verify not closed, committed, or rolled back yet
verify(trans, never()).commit();
verify(trans, never()).rollback();
t.close();
verify(trans).rollback();
}
@Test
public void testGetTransation() {
try(EntityTransCloser t = new EntityTransCloser(trans)) {
assertEquals(trans, t.getTransation());
}
}
/**
* Verifies that the transaction is rolled back and the manager is
* closed when and a transaction is active.
*/
@Test
public void testClose_Active() {
EntityTransCloser t = new EntityTransCloser(trans);
when(trans.isActive()).thenReturn(true);
t.close();
// closed and rolled back, but not committed
verify(trans, never()).commit();
verify(trans).rollback();
}
/**
* Verifies that the manager is closed, but that the transaction is
* <i>not</i> rolled back and when and no transaction is active.
*/
@Test
public void testClose_Inactive() {
EntityTransCloser t = new EntityTransCloser(trans);
when(trans.isActive()).thenReturn(false);
t.close();
// closed, but not committed or rolled back
verify(trans, never()).commit();
verify(trans, never()).rollback();
}
/**
* Verifies that the manager is closed and the transaction rolled back
* when "try" block exits normally and a transaction is active.
*/
@Test
public void testClose_TryWithoutExcept_Active() {
when(trans.isActive()).thenReturn(true);
try(EntityTransCloser t = new EntityTransCloser(trans)) {
}
// closed and rolled back, but not committed
verify(trans, never()).commit();
verify(trans).rollback();
}
/**
* Verifies that the manager is closed, but that the transaction is
* <i>not</i> rolled back when "try" block exits normally and no
* transaction is active.
*/
@Test
public void testClose_TryWithoutExcept_Inactive() {
when(trans.isActive()).thenReturn(false);
try(EntityTransCloser t = new EntityTransCloser(trans)) {
}
// closed, but not rolled back or committed
verify(trans, never()).commit();
verify(trans, never()).rollback();
}
/**
* Verifies that the manager is closed and the transaction rolled back
* when "try" block throws an exception and a transaction is active.
*/
@Test
public void testClose_TryWithExcept_Active() {
when(trans.isActive()).thenReturn(true);
try {
try(EntityTransCloser t = new EntityTransCloser(trans)) {
throw new Exception("expected exception");
}
} catch (Exception e) {
}
// closed and rolled back, but not committed
verify(trans, never()).commit();
verify(trans).rollback();
}
/**
* Verifies that the manager is closed, but that the transaction is
* <i>not</i> rolled back when "try" block throws an exception and no
* transaction is active.
*/
@Test
public void testClose_TryWithExcept_Inactive() {
when(trans.isActive()).thenReturn(false);
try {
try(EntityTransCloser t = new EntityTransCloser(trans)) {
throw new Exception("expected exception");
}
} catch (Exception e) {
}
// closed, but not rolled back or committed
verify(trans, never()).commit();
verify(trans, never()).rollback();
}
/**
* Verifies that commit() only commits, and that the subsequent close()
* does not re-commit.
*/
@Test
public void testCommit() {
EntityTransCloser t = new EntityTransCloser(trans);
t.commit();
// committed, but not closed or rolled back
verify(trans).commit();
verify(trans, never()).rollback();
// closed, but not re-committed
t.close();
verify(trans, times(1)).commit();
}
/**
* Verifies that rollback() only rolls back, and that the subsequent
* close() does not re-roll back.
*/
@Test
public void testRollback() {
EntityTransCloser t = new EntityTransCloser(trans);
t.rollback();
// rolled back, but not closed or committed
verify(trans, never()).commit();
verify(trans).rollback();
// closed, but not re-rolled back
when(trans.isActive()).thenReturn(false);
t.close();
verify(trans, times(1)).rollback();
}
}
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