| /* |
| * 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.jmeter.assertions; |
| |
| import java.io.Serializable; |
| import java.security.MessageDigest; |
| import java.security.NoSuchAlgorithmException; |
| import java.text.MessageFormat; |
| |
| 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; |
| import org.apache.jorphan.util.JOrphanUtils; |
| import org.jetbrains.annotations.VisibleForTesting; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * MD5HexAssertion class creates an MD5 checksum from the response |
| * and matches it with the MD5 hex provided. |
| * <p>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.</p> |
| */ |
| public class MD5HexAssertion extends AbstractTestElement implements Serializable, Assertion { |
| |
| private static final long serialVersionUID = 241L; |
| |
| private static final Logger log = LoggerFactory.getLogger(MD5HexAssertion.class); |
| |
| /** Key for storing assertion-information in the jmx-file. */ |
| private static final String MD5HEX_KEY = "MD5HexAssertion.size"; |
| |
| @Override |
| public AssertionResult getResult(SampleResult response) { |
| |
| AssertionResult result = new AssertionResult(getName()); |
| result.setFailure(false); |
| byte[] resultData = response.getResponseData(); |
| |
| if (resultData.length == 0) { |
| 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().isEmpty()) { |
| result.setError(false); |
| result.setFailure(true); |
| result.setFailureMessage("MD5Hex to test against is empty"); |
| return result; |
| } |
| |
| String md5Result = md5Hex(resultData); |
| |
| if (!md5Result.equalsIgnoreCase(getAllowedMD5Hex())) { |
| result.setFailure(true); |
| |
| Object[] arguments = { md5Result, getAllowedMD5Hex() }; |
| String message = MessageFormat.format( |
| JMeterUtils.getResString("md5hex_assertion_failure"), // $NON-NLS-1$ |
| 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); |
| } |
| |
| @VisibleForTesting |
| static String md5Hex(byte[] bytes) { |
| byte[] md5Result = {}; |
| |
| try { |
| md5Result = MessageDigest.getInstance("MD5").digest(bytes); |
| } catch (NoSuchAlgorithmException e) { |
| log.error("Message digestion failed.", e); |
| } |
| return JOrphanUtils.baToHexString(md5Result); |
| } |
| } |