/**
* 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.falcon.util;
import org.apache.falcon.FalconException;
import org.apache.falcon.entity.parser.ClusterEntityParser;
import org.testng.Assert;
import org.testng.annotations.Test;
/**
* Tests ReflectionUtils.
*/
@Test
public class ReflectionUtilsTest {
public void testGetInstance() throws FalconException {
//with 1 arg constructor, arg null
Object e = ReflectionUtils.getInstanceByClassName("org.apache.falcon.FalconException", Throwable.class, null);
Assert.assertTrue(e instanceof FalconException);
//with 1 arg constructor, arg not null
e = ReflectionUtils.getInstanceByClassName("org.apache.falcon.FalconException", Throwable.class,
new Throwable());
Assert.assertTrue(e instanceof FalconException);
//no constructor, using get() method
e = ReflectionUtils.getInstanceByClassName("org.apache.falcon.util.StartupProperties");
Assert.assertTrue(e instanceof StartupProperties);
//with empty constructor
e = ReflectionUtils.getInstanceByClassName("org.apache.falcon.entity.parser.ClusterEntityParser");
Assert.assertTrue(e instanceof ClusterEntityParser);
}
}