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/*
* 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.ByteArrayInputStream;
import java.io.IOException;
import java.io.Serializable;
import java.nio.charset.StandardCharsets;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.commons.lang3.StringUtils;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.testelement.AbstractScopedAssertion;
import org.apache.jmeter.testelement.property.BooleanProperty;
import org.apache.jmeter.testelement.property.StringProperty;
import org.apache.jmeter.util.TidyException;
import org.apache.jmeter.util.XPathUtil;
import org.apache.jorphan.util.JOrphanUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
/**
* Checks if the result is a well-formed XML content and whether it matches an
* XPath
*
*/
public class XPathAssertion extends AbstractScopedAssertion implements Serializable, Assertion {
private static final Logger log = LoggerFactory.getLogger(XPathAssertion.class);
private static final long serialVersionUID = 241L;
//+ JMX file attributes
private static final String XPATH_KEY = "XPath.xpath"; // $NON-NLS-1$
private static final String WHITESPACE_KEY = "XPath.whitespace"; // $NON-NLS-1$
private static final String VALIDATE_KEY = "XPath.validate"; // $NON-NLS-1$
private static final String TOLERANT_KEY = "XPath.tolerant"; // $NON-NLS-1$
private static final String NEGATE_KEY = "XPath.negate"; // $NON-NLS-1$
private static final String NAMESPACE_KEY = "XPath.namespace"; // $NON-NLS-1$
private static final String QUIET_KEY = "XPath.quiet"; // $NON-NLS-1$
private static final String REPORT_ERRORS_KEY = "XPath.report_errors"; // $NON-NLS-1$
private static final String SHOW_WARNINGS_KEY = "XPath.show_warnings"; // $NON-NLS-1$
private static final String DOWNLOAD_DTDS = "XPath.download_dtds"; // $NON-NLS-1$
//- JMX file attributes
public static final String DEFAULT_XPATH = "/";
/**
* Returns the result of the Assertion. Checks if the result is well-formed
* XML, and that the XPath expression is matched (or not, as the case may
* be)
*/
@Override
public AssertionResult getResult(SampleResult response) {
// no error as default
AssertionResult result = new AssertionResult(getName());
result.setFailure(false);
result.setFailureMessage("");
byte[] responseData = null;
Document doc = null;
try {
if (isScopeVariable()){
String inputString=getThreadContext().getVariables().get(getVariableName());
if (!StringUtils.isEmpty(inputString)) {
responseData = inputString.getBytes(StandardCharsets.UTF_8);
}
} else {
responseData = response.getResponseData();
}
if (responseData == null || responseData.length == 0) {
return result.setResultForNull();
}
if(log.isDebugEnabled()) {
log.debug("Validation is set to {}, Whitespace is set to {}, Tolerant is set to {}", isValidating(),
isWhitespace(), isTolerant());
}
boolean isXML = JOrphanUtils.isXML(responseData);
doc = XPathUtil.makeDocument(new ByteArrayInputStream(responseData), isValidating(),
isWhitespace(), isNamespace(), isTolerant(), isQuiet(), showWarnings() , reportErrors(), isXML
, isDownloadDTDs());
} catch (SAXException e) {
log.debug("Caught sax exception.", e);
result.setError(true);
result.setFailureMessage("SAXException: " + e.getMessage());
return result;
} catch (IOException e) {
log.warn("Cannot parse result content.", e);
result.setError(true);
result.setFailureMessage("IOException: " + e.getMessage());
return result;
} catch (ParserConfigurationException e) {
log.warn("Cannot parse result content.", e);
result.setError(true);
result.setFailureMessage("ParserConfigurationException: " + e.getMessage());
return result;
} catch (TidyException e) {
result.setError(true);
result.setFailureMessage(e.getMessage());
return result;
}
if (doc == null || doc.getDocumentElement() == null) {
result.setError(true);
result.setFailureMessage("Document is null, probably not parsable");
return result;
}
XPathUtil.computeAssertionResult(result, doc, getXPathString(), isNegated());
return result;
}
/**
* Get The XPath String that will be used in matching the document
*
* @return String xpath String
*/
public String getXPathString() {
return getPropertyAsString(XPATH_KEY, DEFAULT_XPATH);
}
/**
* Set the XPath String this will be used as an xpath
*
* @param xpath
* String
*/
public void setXPathString(String xpath) {
setProperty(new StringProperty(XPATH_KEY, xpath));
}
/**
* Set whether to ignore element whitespace
*
* @param whitespace Flag whether whitespace elements should be ignored
*/
public void setWhitespace(boolean whitespace) {
setProperty(new BooleanProperty(WHITESPACE_KEY, whitespace));
}
/**
* Set use validation
*
* @param validate Flag whether validation should be used
*/
public void setValidating(boolean validate) {
setProperty(new BooleanProperty(VALIDATE_KEY, validate));
}
/**
* Set whether this is namespace aware
*
* @param namespace Flag whether namespace should be used
*/
public void setNamespace(boolean namespace) {
setProperty(new BooleanProperty(NAMESPACE_KEY, namespace));
}
/**
* Set tolerant mode if required
*
* @param tolerant
* true/false
*/
public void setTolerant(boolean tolerant) {
setProperty(new BooleanProperty(TOLERANT_KEY, tolerant));
}
public void setNegated(boolean negate) {
setProperty(new BooleanProperty(NEGATE_KEY, negate));
}
/**
* Is this whitespace ignored.
*
* @return boolean
*/
public boolean isWhitespace() {
return getPropertyAsBoolean(WHITESPACE_KEY, false);
}
/**
* Is this validating
*
* @return boolean
*/
public boolean isValidating() {
return getPropertyAsBoolean(VALIDATE_KEY, false);
}
/**
* Is this namespace aware?
*
* @return boolean
*/
public boolean isNamespace() {
return getPropertyAsBoolean(NAMESPACE_KEY, false);
}
/**
* Is this using tolerant mode?
*
* @return boolean
*/
public boolean isTolerant() {
return getPropertyAsBoolean(TOLERANT_KEY, false);
}
/**
* Negate the XPath test, that is return true if something is not found.
*
* @return boolean negated
*/
public boolean isNegated() {
return getPropertyAsBoolean(NEGATE_KEY, false);
}
public void setReportErrors(boolean val) {
setProperty(REPORT_ERRORS_KEY, val, false);
}
public boolean reportErrors() {
return getPropertyAsBoolean(REPORT_ERRORS_KEY, false);
}
public void setShowWarnings(boolean val) {
setProperty(SHOW_WARNINGS_KEY, val, false);
}
public boolean showWarnings() {
return getPropertyAsBoolean(SHOW_WARNINGS_KEY, false);
}
public void setQuiet(boolean val) {
setProperty(QUIET_KEY, val, true);
}
public boolean isQuiet() {
return getPropertyAsBoolean(QUIET_KEY, true);
}
public void setDownloadDTDs(boolean val) {
setProperty(DOWNLOAD_DTDS, val, false);
}
public boolean isDownloadDTDs() {
return getPropertyAsBoolean(DOWNLOAD_DTDS, false);
}
}
