bookkeeper-server/src/test/java/org/apache/bookkeeper/conf/NoSystemPropertiesConfigurationTest.java

/*
 * Copyright 2016 The Apache Software Foundation.
 *
 * 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 org.apache.bookkeeper.conf;

import org.junit.Test;
import static org.junit.Assert.assertEquals;

/**
 * Test Configuration API
 *
 * @author enrico.olivelli
 * @see SystemPropertiesConfigurationTest
 */
public class NoSystemPropertiesConfigurationTest {

    static {  
        // this property is read when AbstractConfiguration class is loaded.
        // this test will work as expected only using a new JVM (or classloader) for the test
        System.setProperty(ClientConfiguration.THROTTLE, "10");
    }

    @Test
    public void testUseSystemProperty() {
        ClientConfiguration clientConfiguration = new ClientConfiguration();
        assertEquals(5000, clientConfiguration.getThrottleValue());
    }
}