JdbcConnectionCloseOperationCollectionAspectTest.java

/**
 * Copyright (c) 2009-2011 VMware, Inc. 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.
 */
package com.springsource.insight.plugin.jdbc;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.concurrent.atomic.AtomicReference;

import org.junit.Test;

import com.springsource.insight.collection.OperationCollectionAspectSupport;
import com.springsource.insight.collection.OperationCollector;
import com.springsource.insight.intercept.operation.Operation;


/**
 *
 */
public class JdbcConnectionCloseOperationCollectionAspectTest
        extends JdbcConnectionOperationCollectionTestSupport {

    public JdbcConnectionCloseOperationCollectionAspectTest() {
        super();
    }

    @Test
    public void testCloseAspect() throws SQLException {
        Connection conn = connectDriver.connect(connectUrl, connectProps);
        try {
            assertTrackedConnection(conn, connectUrl);
        } finally {
            conn.close();   // don't need it for anything
            assertConnectionNotTracked(conn);
        }

        assertCloseDetails(connectUrl);
    }

    @Test
    public void testUntrackedConnectionClose() throws SQLException {
        OperationCollectionAspectSupport aspectInstance = getAspect();
        final AtomicReference<Operation> opRef = new AtomicReference<Operation>(null);
        aspectInstance.setCollector(new OperationCollector() {
            public void enter(Operation operation) {
                Operation prev = opRef.getAndSet(operation);
                assertNull("Multiple enter calls", prev);
            }

            public void exitNormal() {
                // ignored
            }

            public void exitNormal(Object returnValue) {
                // ignored
            }

            public void exitAbnormal(Throwable throwable) {
                // ignored
            }

            public void exitAndDiscard() {
                // ignored
            }

            public void exitAndDiscard(Object returnValue) {
                // ignored
            }
        });

        Connection conn = connectDriver.connect(connectUrl, connectProps);
        for (int index = 0; index < Byte.SIZE; index++) {
            /*
             * NOTE: as per the javadoc:
             * 
             *      "Calling the method close on a connection object that is already closed is a no-op."
             */
            conn.close();

            if (index == 0) {
                assertCloseDetails(opRef.get(), connectUrl);
            }
        }
    }

    @Override
    public JdbcConnectionCloseOperationCollectionAspect getAspect() {
        return JdbcConnectionCloseOperationCollectionAspect.aspectOf();
    }
}