1 files changed, 112 insertions, 0 deletions
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();
+	}
+
+}