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// $Header: /home/cvs/jakarta-jmeter/src/components/org/apache/jmeter/assertions/MD5HexAssertion.java,v 1.2 2004/02/13 01:27:26 sebb Exp $
/*
 * Copyright 2004 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.
 * 
*/

/**
 * MD5HexAssertion class creates an MD5 checksum from the response 
* and matches it with the MD5 hex provided. * The assertion will fail when the expected hex is different from the
* one calculated from the response OR when the expected hex is left empty. * * @author Jorg Heymans * @version $Revision: 1.2 $ last updated $Date: 2004/02/13 01:27:26 $ */ package org.apache.jmeter.assertions; import java.io.Serializable; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.text.MessageFormat; import junit.framework.TestCase; import org.apache.jmeter.samplers.SampleResult; import org.apache.jmeter.testelement.AbstractTestElement; import org.apache.jmeter.testelement.property.StringProperty; import org.apache.jmeter.util.JMeterUtils; public class MD5HexAssertion extends AbstractTestElement implements Serializable, Assertion { /** Key for storing assertion-informations in the jmx-file. */ private static final String MD5HEX_KEY = "MD5HexAssertion.size"; /* * @param response * @return */ public AssertionResult getResult(SampleResult response) { AssertionResult result = new AssertionResult(); result.setFailure(false); byte[] resultData = response.getResponseData(); if (resultData == null) { result.setError(false); result.setFailure(true); result.setFailureMessage("Response was null"); return result; } //no point in checking if we don't have anything to compare against if (getAllowedMD5Hex().equals("")) { result.setError(false); result.setFailure(true); result.setFailureMessage("MD5Hex to test against is empty"); return result; } String md5Result=baMD5Hex(resultData); //String md5Result = DigestUtils.md5Hex(resultData); if (!md5Result.equalsIgnoreCase(getAllowedMD5Hex())) { result.setFailure(true); Object[] arguments = { md5Result, getAllowedMD5Hex()}; String message = MessageFormat.format( JMeterUtils.getResString("md5hex_assertion_failure"), arguments); result.setFailureMessage(message); } return result; } public void setAllowedMD5Hex(String hex) { setProperty(new StringProperty(MD5HexAssertion.MD5HEX_KEY, hex)); } public String getAllowedMD5Hex() { return getPropertyAsString(MD5HexAssertion.MD5HEX_KEY); } private static String baToHex(byte ba []) { StringBuffer sb = new StringBuffer(32); for (int i = 0; i
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