JMeter example source code file (XPathAssertionTest.java)

This example JMeter source code file (XPathAssertionTest.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 - JMeter tags/keywords

assertionresult, assertionresult, book, chapter, chapter_text, element, element, exception, exception, header, io, part, pcdata, should, should

The JMeter XPathAssertionTest.java 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.
 * 
 */

package org.apache.jmeter.assertions;

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.IOException;

import org.apache.jmeter.junit.JMeterTestCase;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.threads.JMeterContext;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jmeter.threads.JMeterVariables;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;

public class XPathAssertionTest extends JMeterTestCase {
    private static final Logger log = LoggingManager.getLoggerForClass();

    private XPathAssertion assertion;

    private SampleResult result;

    private JMeterVariables vars;

    private JMeterContext jmctx;

    public XPathAssertionTest(String arg0) {
        super(arg0);
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        jmctx = JMeterContextService.getContext();
        assertion = new XPathAssertion();
        assertion.setThreadContext(jmctx);// This would be done by the run command
        result = new SampleResult();
        result.setResponseData(readFile("testfiles/XPathAssertionTest.xml"));
        vars = new JMeterVariables();
        jmctx.setVariables(vars);
        jmctx.setPreviousResult(result);
        //testLog.setPriority(org.apache.log.Priority.DEBUG);
    }

    private void setAlternateResponseData(){
        String data = "<company-xmlext-query-ret>" + "" + "LIS_OK"
              + "<value field=\"RetCodeExtension\">" + ""
              + "<value field=\"positioncount\">" + "0"
              + "<value field=\"pinposition1\">1" + ""
              + "<value field=\"pinposition2\">5" + ""
              + "<value field=\"pinposition3\">6" + ""
              + "</row>" + "";
        result.setResponseData(data, null);
    }

    private ByteArrayOutputStream readBA(String name) throws IOException {
        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(findTestFile(name)));
        ByteArrayOutputStream baos = new ByteArrayOutputStream(1000);
        int len = 0;
        byte[] data = new byte[512];
        while ((len = bis.read(data)) >= 0) {
            baos.write(data, 0, len);
        }
        bis.close();
        return baos;
    }

    private byte[] readFile(String name) throws IOException {
        return readBA(name).toByteArray();
    }

    public void testAssertionOK() throws Exception {
        assertion.setXPathString("/");
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertFalse("Should not be a failure", res.isFailure());
    }

    public void testAssertionFail() throws Exception {
        assertion.setXPathString("//x");
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertTrue("Should be a failure",res.isFailure());
    }

    public void testAssertionPath1() throws Exception {
        assertion.setXPathString("//*[code=1]");
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertFalse("Should not be a failure",res.isFailure());
    }

    public void testAssertionPath2() throws Exception {
        assertion.setXPathString("//*[code=2]"); // Not present
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertTrue("Should be a failure",res.isFailure());
    }

    public void testAssertionBool1() throws Exception {
        assertion.setXPathString("count(//error)=2");
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertFalse("Should not be a failure",res.isFailure());
    }

    public void testAssertionBool2() throws Exception {
        assertion.setXPathString("count(//*[code=1])=1");
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertFalse("Should not be a failure",res.isFailure());
    }

    public void testAssertionBool3() throws Exception {
        assertion.setXPathString("count(//error)=1"); // wrong
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertTrue("Should be a failure",res.isFailure());
    }

    public void testAssertionBool4() throws Exception {
        assertion.setXPathString("count(//*[code=2])=1"); //Wrong
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertTrue("Should be a failure",res.isFailure());
    }

    public void testAssertionNumber() throws Exception {
        assertion.setXPathString("count(//error)");// not yet handled
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertTrue("Should be a failure",res.isFailure());
    }

    public void testAssertionNoResult() throws Exception {
        // result.setResponseData - not set
        result = new SampleResult();
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertEquals(AssertionResult.RESPONSE_WAS_NULL, res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertTrue("Should be a failure",res.isFailure());
    }

    public void testAssertionEmptyResult() throws Exception {
        result.setResponseData("", null);
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertEquals(AssertionResult.RESPONSE_WAS_NULL, res.getFailureMessage());
        assertFalse("Should not be an error", res.isError());
        assertTrue("Should be a failure",res.isFailure());
    }

    public void testAssertionBlankResult() throws Exception {
        result.setResponseData(" ", null);
        AssertionResult res = assertion.getResult(result);
        testLog.debug("isError() " + res.isError() + " isFailure() " + res.isFailure());
        testLog.debug("failure message: " + res.getFailureMessage());
        assertTrue(res.getFailureMessage().indexOf("Premature end of file") > 0);
        assertTrue("Should be an error",res.isError());
        assertFalse("Should not be a failure", res.isFailure());
    }

    public void testNoTolerance() throws Exception {
        String data = "<html>" + ""
                + "<p>invalid tag nesting
" + "";

        result.setResponseData(data, null);
        vars = new JMeterVariables();
        jmctx.setVariables(vars);
        jmctx.setPreviousResult(result);
        assertion.setXPathString("/html/head/title");
        assertion.setValidating(false);
        assertion.setTolerant(false);
        AssertionResult res = assertion.getResult(result);
        log.debug("failureMessage: " + res.getFailureMessage());
        assertTrue(res.isError());
        assertFalse(res.isFailure());
    }

    public void testAssertion() throws Exception {
        setAlternateResponseData();
        assertion.setXPathString("//row/value[@field = 'alias']");
        AssertionResult res = assertion.getResult(jmctx.getPreviousResult());
        log.debug(" res " + res.isError());
        log.debug(" failure " + res.getFailureMessage());
        assertFalse(res.isError());
        assertFalse(res.isFailure());
    }

    public void testNegateAssertion() throws Exception {
        setAlternateResponseData();
        assertion.setXPathString("//row/value[@field = 'noalias']");
        assertion.setNegated(true);

        AssertionResult res = assertion.getResult(jmctx.getPreviousResult());
        log.debug(" res " + res.isError());
        log.debug(" failure " + res.getFailureMessage());
        assertFalse(res.isError());
        assertFalse(res.isFailure());
    }

    public void testValidationFailure() throws Exception {
        setAlternateResponseData();
        assertion.setXPathString("//row/value[@field = 'alias']");
        assertion.setNegated(false);
        assertion.setValidating(true);
        AssertionResult res = assertion.getResult(jmctx.getPreviousResult());
        log.debug(res.getFailureMessage() + " error: " + res.isError() + " failure: " + res.isFailure());
        assertTrue(res.isError());
        assertFalse(res.isFailure());
    }

    public void testValidationSuccess() throws Exception {
        String data = "<?xml version=\"1.0\"?>" + ""
                + "<!ELEMENT BOOK         (OPENER,SUBTITLE?,INTRODUCTION?,(SECTION | PART)+)>"
                + "<!ELEMENT OPENER       (TITLE_TEXT)*>" + ""
                + "<!ELEMENT SUBTITLE     (#PCDATA)>" + ""
                + "<!ELEMENT PART         (HEADER, CHAPTER+)>" + ""
                + "<!ELEMENT HEADER       (#PCDATA)>" + ""
                + "<!ELEMENT CHAPTER_NUMBER (#PCDATA)>" + "" + "]>" + ""
                + "<OPENER>" + "All About Me" + "" + ""
                + "<HEADER>Welcome To My Book" + ""
                + "<CHAPTER_NUMBER>CHAPTER 1" + ""
                + "<p>Glad you want to hear about me.
" + "
There's so much to say!
"
                + "<p>Where should we start?
" + "
How about more about me?
" + ""
                + "</CHAPTER>" + "" + "";

        result.setResponseData(data, null);
        vars = new JMeterVariables();
        jmctx.setVariables(vars);
        jmctx.setPreviousResult(result);
        assertion.setXPathString("/");
        assertion.setValidating(true);
        AssertionResult res = assertion.getResult(result);
        assertFalse(res.isError());
        assertFalse(res.isFailure());
    }

    public void testValidationFailureWithDTD() throws Exception {
        String data = "<?xml version=\"1.0\"?>" + ""
                + "<!ELEMENT BOOK         (OPENER,SUBTITLE?,INTRODUCTION?,(SECTION | PART)+)>"
                + "<!ELEMENT OPENER       (TITLE_TEXT)*>" + ""
                + "<!ELEMENT SUBTITLE     (#PCDATA)>" + ""
                + "<!ELEMENT PART         (HEADER, CHAPTER+)>" + ""
                + "<!ELEMENT HEADER       (#PCDATA)>" + ""
                + "<!ELEMENT CHAPTER_NUMBER (#PCDATA)>" + "" + "]>" + ""
                + "<OPENER>" + "All About Me" + "" + ""
                + "<HEADER>Welcome To My Book" + ""
                + "<CHAPTER_NUMBER>CHAPTER 1" + ""
                + "<p>Glad you want to hear about me.
" + "
There's so much to say!
"
                + "<p>Where should we start?
" + "
How about more about me?
" + ""
                + "</CHAPTER>" + "not defined in dtd" + "" + "";

        result.setResponseData(data, null);
        vars = new JMeterVariables();
        jmctx.setVariables(vars);
        jmctx.setPreviousResult(result);
        assertion.setXPathString("/");
        assertion.setValidating(true);
        AssertionResult res = assertion.getResult(result);
        log.debug("failureMessage: " + res.getFailureMessage());
        assertTrue(res.isError());
        assertFalse(res.isFailure());
    }

    public void testTolerance() throws Exception {
        String data = "<html>" + ""
                + "<p>invalid tag nesting
" + "";

        result.setResponseData(data, null);
        vars = new JMeterVariables();
        jmctx.setVariables(vars);
        jmctx.setPreviousResult(result);
        assertion.setXPathString("/html/head/title");
        assertion.setValidating(true);
        assertion.setTolerant(true);
        AssertionResult res = assertion.getResult(result);
        log.debug("failureMessage: " + res.getFailureMessage());
        assertFalse(res.isFailure());
        assertFalse(res.isError());
    }

}