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-rw-r--r--utils/pom.xml120
-rw-r--r--utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrCloser.java59
-rw-r--r--utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrFactoryCloser.java59
-rw-r--r--utils/src/main/java/org/onap/policy/common/utils/jpa/EntityTransCloser.java77
-rw-r--r--utils/src/test/java/org/onap/policy/common/utils/jpa/EntityMgrCloserTest.java112
-rw-r--r--utils/src/test/java/org/onap/policy/common/utils/jpa/EntityMgrFactoryCloserTest.java112
-rw-r--r--utils/src/test/java/org/onap/policy/common/utils/jpa/EntityTransCloserTest.java231
7 files changed, 770 insertions, 0 deletions
diff --git a/utils/pom.xml b/utils/pom.xml
new file mode 100644
index 00000000..a9aff9e4
--- /dev/null
+++ b/utils/pom.xml
@@ -0,0 +1,120 @@
+<!--
+ ============LICENSE_START=======================================================
+ ONAP Policy Engine - Common Modules
+ ================================================================================
+ 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=========================================================
+ -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.onap.policy.common</groupId>
+ <artifactId>common-modules</artifactId>
+ <version>1.2.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>utils</artifactId>
+ <description>Common Utilities</description>
+ <packaging>jar</packaging>
+
+ <properties>
+ <powermock.version>1.6.6</powermock.version>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>4.11</version>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>javax.persistence</groupId>
+ <artifactId>persistence-api</artifactId>
+ <version>${javax.persistence.api.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.powermock</groupId>
+ <artifactId>powermock-api-mockito</artifactId>
+ <version>${powermock.version}</version>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.powermock</groupId>
+ <artifactId>powermock-module-junit4</artifactId>
+ <version>${powermock.version}</version>
+ <scope>test</scope>
+ <exclusions>
+ <exclusion>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.powermock</groupId>
+ <artifactId>powermock-core</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.powermock</groupId>
+ <artifactId>powermock-reflect</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.javassist</groupId>
+ <artifactId>javassist</artifactId>
+ </exclusion>
+ </exclusions>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <pluginManagement>
+ <plugins>
+ <!--This plugin's configuration is used to store Eclipse m2e settings
+ only. It has no influence on the Maven build itself. -->
+ <plugin>
+ <groupId>org.eclipse.m2e</groupId>
+ <artifactId>lifecycle-mapping</artifactId>
+ <version>1.0.0</version>
+ <configuration>
+ <lifecycleMappingMetadata>
+ <pluginExecutions>
+ <pluginExecution>
+ <pluginExecutionFilter>
+ <groupId>org.jacoco</groupId>
+ <artifactId>
+ jacoco-maven-plugin
+ </artifactId>
+ <versionRange>
+ [0.7.1.201405082137,)
+ </versionRange>
+ <goals>
+ <goal>prepare-agent</goal>
+ </goals>
+ </pluginExecutionFilter>
+ <action>
+ <ignore></ignore>
+ </action>
+ </pluginExecution>
+ </pluginExecutions>
+ </lifecycleMappingMetadata>
+ </configuration>
+ </plugin>
+ </plugins>
+ </pluginManagement>
+ </build>
+</project>
diff --git a/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrCloser.java b/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrCloser.java
new file mode 100644
index 00000000..2ed54196
--- /dev/null
+++ b/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrCloser.java
@@ -0,0 +1,59 @@
+/*
+ * ============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 javax.persistence.EntityManager;
+
+/**
+ * Wrapper for an <i>EntityManager</i>, providing auto-close functionality. This
+ * is useful in try-with-resources statements.
+ */
+public class EntityMgrCloser implements AutoCloseable {
+
+ /**
+ * The wrapped manager.
+ */
+ private final EntityManager em;
+
+ /**
+ *
+ * @param em
+ * manager to be auto-closed
+ */
+ public EntityMgrCloser(EntityManager em) {
+ this.em = em;
+ }
+
+ /**
+ * Gets the EntityManager wrapped within this object.
+ *
+ * @return the associated EntityManager
+ */
+ public EntityManager getManager() {
+ return em;
+ }
+
+ @Override
+ public void close() {
+ em.close();
+ }
+
+}
diff --git a/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrFactoryCloser.java b/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrFactoryCloser.java
new file mode 100644
index 00000000..8910c087
--- /dev/null
+++ b/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrFactoryCloser.java
@@ -0,0 +1,59 @@
+/*
+ * ============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 javax.persistence.EntityManagerFactory;
+
+/**
+ * Wrapper for an <i>EntityManagerFactory</i>, providing auto-close
+ * functionality. This is useful in try-with-resources statements.
+ */
+public class EntityMgrFactoryCloser implements AutoCloseable {
+
+ /**
+ * The wrapped factory.
+ */
+ private final EntityManagerFactory emf;
+
+ /**
+ *
+ * @param emf
+ * manager to be auto-closed
+ */
+ public EntityMgrFactoryCloser(EntityManagerFactory emf) {
+ this.emf = emf;
+ }
+
+ /**
+ * Gets the EntityManagerFactory wrapped within this object.
+ *
+ * @return the associated EntityManagerFactory
+ */
+ public EntityManagerFactory getFactory() {
+ return emf;
+ }
+
+ @Override
+ public void close() {
+ emf.close();
+ }
+
+}
diff --git a/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityTransCloser.java b/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityTransCloser.java
new file mode 100644
index 00000000..ce300741
--- /dev/null
+++ b/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityTransCloser.java
@@ -0,0 +1,77 @@
+/*
+ * ============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 javax.persistence.EntityTransaction;
+
+/**
+ * Wrapper for an <i>EntityTransaction</i> that is auto-rolled back when closed.
+ * This is useful in try-with-resources statements.
+ */
+public class EntityTransCloser implements AutoCloseable {
+
+ /**
+ * Transaction to be rolled back.
+ */
+ private final EntityTransaction trans;
+
+ /**
+ * Begins a transaction.
+ *
+ * @param et
+ * transaction to wrap/begin
+ */
+ public EntityTransCloser(EntityTransaction et) {
+ trans = et;
+ trans.begin();
+ }
+
+ /**
+ * Gets the wrapped transaction.
+ *
+ * @return the transaction
+ */
+ public EntityTransaction getTransation() {
+ return trans;
+ }
+
+ /**
+ * Commits the transaction.
+ */
+ public void commit() {
+ trans.commit();
+ }
+
+ /**
+ * Rolls back the transaction.
+ */
+ public void rollback() {
+ trans.rollback();
+ }
+
+ @Override
+ public void close() {
+ if (trans.isActive()) {
+ trans.rollback();
+ }
+ }
+
+}
diff --git a/utils/src/test/java/org/onap/policy/common/utils/jpa/EntityMgrCloserTest.java b/utils/src/test/java/org/onap/policy/common/utils/jpa/EntityMgrCloserTest.java
new file mode 100644
index 00000000..abc8d93f
--- /dev/null
+++ b/utils/src/test/java/org/onap/policy/common/utils/jpa/EntityMgrCloserTest.java
@@ -0,0 +1,112 @@
+/*
+ * ============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.EntityManager;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.common.utils.jpa.EntityMgrCloser;
+
+public class EntityMgrCloserTest {
+
+ private EntityManager mgr;
+
+
+ @Before
+ public void setUp() throws Exception {
+ mgr = mock(EntityManager.class);
+ }
+
+
+ /**
+ * Verifies that the constructor does not do anything extra before
+ * being closed.
+ */
+ @Test
+ public void testEntityMgrCloser() {
+ EntityMgrCloser c = new EntityMgrCloser(mgr);
+
+ assertEquals(mgr, c.getManager());
+
+ // verify not closed yet
+ verify(mgr, never()).close();
+
+ c.close();
+
+ verify(mgr).close();
+ }
+
+ @Test
+ public void testGetManager() {
+ try(EntityMgrCloser c = new EntityMgrCloser(mgr)) {
+ assertEquals(mgr, c.getManager());
+ }
+ }
+
+ /**
+ * Verifies that the manager gets closed when close() is invoked.
+ */
+ @Test
+ public void testClose() {
+ EntityMgrCloser c = new EntityMgrCloser(mgr);
+
+ c.close();
+
+ // should be closed
+ verify(mgr).close();
+ }
+
+ /**
+ * Ensures that the manager gets closed when "try" block exits normally.
+ */
+ @Test
+ public void testClose_TryWithoutExcept() {
+ try(EntityMgrCloser c = new EntityMgrCloser(mgr)) {
+
+ }
+
+ verify(mgr).close();
+ }
+
+ /**
+ * Ensures that the manager gets closed when "try" block throws an
+ * exception.
+ */
+ @Test
+ public void testClose_TryWithExcept() {
+ try {
+ try(EntityMgrCloser c = new EntityMgrCloser(mgr)) {
+ throw new Exception("expected exception");
+ }
+
+ } catch (Exception e) {
+ }
+
+ verify(mgr).close();
+ }
+
+}
diff --git a/utils/src/test/java/org/onap/policy/common/utils/jpa/EntityMgrFactoryCloserTest.java b/utils/src/test/java/org/onap/policy/common/utils/jpa/EntityMgrFactoryCloserTest.java
new file mode 100644
index 00000000..60ed27d0
--- /dev/null
+++ b/utils/src/test/java/org/onap/policy/common/utils/jpa/EntityMgrFactoryCloserTest.java
@@ -0,0 +1,112 @@
+/*
+ * ============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;
+import org.onap.policy.common.utils.jpa.EntityMgrFactoryCloser;
+
+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 c = new EntityMgrFactoryCloser(factory);
+
+ assertEquals(factory, c.getFactory());
+
+ // verify not closed yet
+ verify(factory, never()).close();
+
+ c.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 c = new EntityMgrFactoryCloser(factory);
+
+ c.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 c = new EntityMgrFactoryCloser(factory)) {
+
+ }
+
+ 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 e) {
+ }
+
+ verify(factory).close();
+ }
+
+}
diff --git a/utils/src/test/java/org/onap/policy/common/utils/jpa/EntityTransCloserTest.java b/utils/src/test/java/org/onap/policy/common/utils/jpa/EntityTransCloserTest.java
new file mode 100644
index 00000000..e7dcf11c
--- /dev/null
+++ b/utils/src/test/java/org/onap/policy/common/utils/jpa/EntityTransCloserTest.java
@@ -0,0 +1,231 @@
+/*
+ * ============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();
+ }
+
+}