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Java example source code file (TestRouteParams.java)

This example source code file (TestRouteParams.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java tags/keywords

basichttpparams, clientparamsstack, defaultedhttpparams, exceptionininitializererror, httphost, httpparams, httproute, illegalargumentexception, inetaddress, local1, net, network, route1, string, target1, testrouteparams

The TestRouteParams.java example source code

/*
 * ====================================================================
 * 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package org.apache.http.conn.params;

import java.net.InetAddress;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.apache.http.HttpHost;
import org.apache.http.params.HttpParams;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.DefaultedHttpParams;
import org.apache.http.conn.routing.HttpRoute;

// for hierarchy testing
import org.apache.http.impl.client.ClientParamsStack;

/**
 * Unit tests for parameters.
 * Trivial, but it looks better in the Clover reports.
 */
public class TestRouteParams extends TestCase {

    public final static
        HttpHost TARGET1 = new HttpHost("target1.test.invalid");
    public final static
        HttpRoute ROUTE1 = new HttpRoute(TARGET1);
    public final static InetAddress LOCAL1;

    // need static initializer to deal with exceptions
    static {
        try {
            LOCAL1 = InetAddress.getByAddress(new byte[]{ 127, 0, 0, 1 });
        } catch (Exception x) {
            throw new ExceptionInInitializerError(x);
        }
    }


    public TestRouteParams(String testName) {
        super(testName);
    }

    public static void main(String args[]) {
        String[] testCaseName = { TestRouteParams.class.getName() };
        junit.textui.TestRunner.main(testCaseName);
    }

    public static Test suite() {
        return new TestSuite(TestRouteParams.class);
    }



    public void testSetGet() {
        HttpParams params = new BasicHttpParams();

        assertNull("phantom proxy",
                   ConnRouteParams.getDefaultProxy(params));
        assertNull("phantom route",
                   ConnRouteParams.getForcedRoute(params));
        assertNull("phantom address",
                   ConnRouteParams.getLocalAddress(params));

        ConnRouteParams.setDefaultProxy(params, TARGET1);
        assertSame("wrong proxy", TARGET1,
                   ConnRouteParams.getDefaultProxy(params));
        ConnRouteParams.setForcedRoute(params, ROUTE1);
        assertSame("wrong route", ROUTE1,
                   ConnRouteParams.getForcedRoute(params));
        ConnRouteParams.setLocalAddress(params, LOCAL1);
        assertSame("wrong address", LOCAL1,
                   ConnRouteParams.getLocalAddress(params));
    }


    public void testSetNull() {
        HttpParams params = new BasicHttpParams();

        ConnRouteParams.setDefaultProxy(params, null);
        ConnRouteParams.setForcedRoute(params, null);
        ConnRouteParams.setLocalAddress(params, null);

        assertNull("phantom proxy",
                   ConnRouteParams.getDefaultProxy(params));
        assertNull("phantom route",
                   ConnRouteParams.getForcedRoute(params));
        assertNull("phantom address",
                   ConnRouteParams.getLocalAddress(params));

        ConnRouteParams.setDefaultProxy(params, ConnRouteParams.NO_HOST);
        assertNull("null proxy not detected",
                   ConnRouteParams.getDefaultProxy(params));

        ConnRouteParams.setForcedRoute(params, ConnRouteParams.NO_ROUTE);
        assertNull("null route not detected",
                   ConnRouteParams.getForcedRoute(params));
    }


    public void testUnsetHierarchy() {
        // hierarchical unsetting is only tested for the default proxy
        HttpParams daddy = new BasicHttpParams();
        HttpParams dummy  = new BasicHttpParams();
        HttpParams child  = new BasicHttpParams();

        ConnRouteParams.setDefaultProxy(daddy, TARGET1);
        ConnRouteParams.setDefaultProxy(child, ConnRouteParams.NO_HOST);

        HttpParams hierarchy =
            new ClientParamsStack(null, daddy, child, null);
        assertNull("1", ConnRouteParams.getDefaultProxy(hierarchy));

        hierarchy = new ClientParamsStack
            (null,
             daddy,
             new ClientParamsStack(null, child, dummy, null),
             null);
        assertNull("2", ConnRouteParams.getDefaultProxy(hierarchy));

        hierarchy = new ClientParamsStack
            (null, daddy, new DefaultedHttpParams(child, dummy), null);
        assertNull("3", ConnRouteParams.getDefaultProxy(hierarchy));

        hierarchy = new DefaultedHttpParams(child, daddy);
        assertNull("4", ConnRouteParams.getDefaultProxy(hierarchy));

        hierarchy = new DefaultedHttpParams
            (new DefaultedHttpParams(child, dummy), daddy);
        assertNull("5", ConnRouteParams.getDefaultProxy(hierarchy));

        hierarchy = new DefaultedHttpParams
            (child, new DefaultedHttpParams(dummy, daddy));
        assertNull("6", ConnRouteParams.getDefaultProxy(hierarchy));
    }


    public void testBadArgs() {

        try {
            ConnRouteParams.getDefaultProxy(null);
        } catch (IllegalArgumentException iax) {
            // expected
        }

        try {
            ConnRouteParams.getForcedRoute(null);
        } catch (IllegalArgumentException iax) {
            // expected
        }

        try {
            ConnRouteParams.getLocalAddress(null);
        } catch (IllegalArgumentException iax) {
            // expected
        }

        try {
            ConnRouteParams.setDefaultProxy(null, null);
        } catch (IllegalArgumentException iax) {
            // expected
        }

        try {
            ConnRouteParams.setForcedRoute(null, null);
        } catch (IllegalArgumentException iax) {
            // expected
        }

        try {
            ConnRouteParams.setLocalAddress(null, null);
        } catch (IllegalArgumentException iax) {
            // expected
        }
    }


}

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