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Java example source code file (TestDefaultConnKeepAliveStrategy.java)

This example source code file (TestDefaultConnKeepAliveStrategy.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

basichttpcontext, basichttpresponse, connectionkeepalivestrategy, defaultconnectionkeepalivestrategy, exception, illegalargumentexception, keep-alive, ok, string, testcase, testdefaultconnkeepalivestrategy

The TestDefaultConnKeepAliveStrategy.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.impl.client;

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

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.HttpVersion;
import org.apache.http.conn.ConnectionKeepAliveStrategy;
import org.apache.http.message.BasicHttpResponse;
import org.apache.http.message.BasicStatusLine;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;

/**
 *  Simple tests for {@link DefaultConnectionKeepAliveStrategy}.
 * 
 */
public class TestDefaultConnKeepAliveStrategy extends TestCase {

    // ------------------------------------------------------------ Constructor
    public TestDefaultConnKeepAliveStrategy(final String testName) {
        super(testName);
    }

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

    // ------------------------------------------------------- TestCase Methods

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

    public void testIllegalResponseArg() throws Exception {
        HttpContext context = new BasicHttpContext(null);
        ConnectionKeepAliveStrategy keepAliveStrat = new DefaultConnectionKeepAliveStrategy();
        try {
            keepAliveStrat.getKeepAliveDuration(null, context);
            fail("IllegalArgumentException should have been thrown");
        } catch (IllegalArgumentException ex) {
            // expected
        }
    }

    public void testNoKeepAliveHeader() throws Exception {
        HttpContext context = new BasicHttpContext(null);
        HttpResponse response = new BasicHttpResponse(
                new BasicStatusLine(HttpVersion.HTTP_1_1, HttpStatus.SC_OK, "OK"));
        ConnectionKeepAliveStrategy keepAliveStrat = new DefaultConnectionKeepAliveStrategy();
        long d = keepAliveStrat.getKeepAliveDuration(response, context);
        assertEquals(-1, d);
    }

    public void testEmptyKeepAliveHeader() throws Exception {
        HttpContext context = new BasicHttpContext(null);
        HttpResponse response = new BasicHttpResponse(
                new BasicStatusLine(HttpVersion.HTTP_1_1, HttpStatus.SC_OK, "OK"));
        response.addHeader("Keep-Alive", "timeout, max=20");
        ConnectionKeepAliveStrategy keepAliveStrat = new DefaultConnectionKeepAliveStrategy();
        long d = keepAliveStrat.getKeepAliveDuration(response, context);
        assertEquals(-1, d);
    }

    public void testInvalidKeepAliveHeader() throws Exception {
        HttpContext context = new BasicHttpContext(null);
        HttpResponse response = new BasicHttpResponse(
                new BasicStatusLine(HttpVersion.HTTP_1_1, HttpStatus.SC_OK, "OK"));
        response.addHeader("Keep-Alive", "timeout=whatever, max=20");
        ConnectionKeepAliveStrategy keepAliveStrat = new DefaultConnectionKeepAliveStrategy();
        long d = keepAliveStrat.getKeepAliveDuration(response, context);
        assertEquals(-1, d);
    }

    public void testKeepAliveHeader() throws Exception {
        HttpContext context = new BasicHttpContext(null);
        HttpResponse response = new BasicHttpResponse(
                new BasicStatusLine(HttpVersion.HTTP_1_1, HttpStatus.SC_OK, "OK"));
        response.addHeader("Keep-Alive", "timeout=300, max=20");
        ConnectionKeepAliveStrategy keepAliveStrat = new DefaultConnectionKeepAliveStrategy();
        long d = keepAliveStrat.getKeepAliveDuration(response, context);
        assertEquals(300000, d);
    }

}

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