phoenix-core/src/test/java/org/apache/phoenix/util/PhoenixContextExecutorTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.phoenix.util;

import java.net.URL;
import java.net.URLClassLoader;
import java.util.concurrent.Callable;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class PhoenixContextExecutorTest {
    @Test
    public void testCall() {
        URLClassLoader customerClassLoader = new URLClassLoader(new URL[]{});
        ClassLoader saveCcl = Thread.currentThread().getContextClassLoader();
        Thread.currentThread().setContextClassLoader(customerClassLoader);
        try {
            PhoenixContextExecutor.callWithoutPropagation(new Callable<Object>() {
                @Override
                public Object call() {
                    assertEquals(
                            PhoenixContextExecutor.class.getClassLoader(),
                            Thread.currentThread().getContextClassLoader());
                    return null;
                }
            });
        } finally {
            Thread.currentThread().setContextClassLoader(saveCcl);
        }

    }
}