org.force66.beantester.utils.GenericProxyHandlerTest.java Source code

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Here is the source code for org.force66.beantester.utils.GenericProxyHandlerTest.java

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/*
 * This software is licensed under the Apache License, Version 2.0
 * (the "License") agreement; 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.force66.beantester.utils;

import java.io.Serializable;
import java.lang.reflect.Proxy;

import javax.naming.Name;

import org.apache.commons.lang3.ClassUtils;
import org.apache.commons.lang3.SerializationUtils;
import org.junit.Assert;
import org.junit.Test;

public class GenericProxyHandlerTest {

    GenericProxyHandler proxy;
    TestBean bean;

    @Test
    public void testBasic() throws Exception {

        performRoundTrip(this.makeProxy(Name.class));

        Name nameProxy = (Name) this.makeProxy(Name.class);
        Assert.assertTrue(!nameProxy.equals(null));
        Assert.assertTrue(!nameProxy.equals("foo"));
        Assert.assertTrue(new GenericProxyHandler() != null);

        try {
            nameProxy.getAll();
            Assert.fail();
        } catch (Exception e) {
            Assert.assertTrue(e.getMessage().contains("This is a generic interface proxy with no functionality"));
        }

    }

    private void performRoundTrip(Object obj) {
        bean = new TestBean();
        bean.setFieldValue(obj);
        byte[] serializedObj = SerializationUtils.serialize(bean);
        Serializable sBeanReconstituted = SerializationUtils.deserialize(serializedObj);
        Assert.assertTrue(bean.equals(sBeanReconstituted));
    }

    private Object makeProxy(Class<?> interfaceType) {
        return Proxy.newProxyInstance(interfaceType.getClassLoader(), new Class[] { interfaceType },
                new GenericProxyHandler(interfaceType));
    }

    static class TestBean implements Serializable {
        private Object fieldValue;

        public Object getFieldValue() {
            return fieldValue;
        }

        public void setFieldValue(Object fieldValue) {
            this.fieldValue = fieldValue;
        }

        @Override
        public boolean equals(Object obj) {
            if (obj == null)
                return false;
            if (!ClassUtils.isAssignable(obj.getClass(), this.getClass()))
                return false;
            TestBean other = (TestBean) obj;
            return fieldValue.equals(other.fieldValue);
        }
    }

}