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org.codehaus.mojo.chronos.TimerMojo Maven / Gradle / Ivy

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This plugin enables you to track and the executiontimes of a selection of Your unittests (JUnit or TestNG). One usage is to regard some of your automatic testcases as performancetests, tracking their executiontimes. Another usage is simply to monitor Your automatic tests to discover reasons for slow build times.

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/*
 * The MIT License
 *
 * Original work sponsored and donated by National Board of e-Health (NSI), Denmark (http://www.nsi.dk)
 * Further enhancement before move to Codehaus sponsored and donated by Lakeside A/S (http://www.lakeside.dk)
 *
 * Copyright (c) to all contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * $HeadURL: https://svn.codehaus.org/mojo/tags/chronos-1.0/chronos-jmeter-maven-plugin/src/main/java/org/codehaus/mojo/chronos/check/CheckMojo.java $
 * $Id: CheckMojo.java 14893 2011-10-24 12:08:52Z soelvpil $
 */
package org.codehaus.mojo.chronos;

import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.codehaus.mojo.chronos.data.HibernateUtil;
import org.codehaus.mojo.chronos.data.TestCase;
import org.codehaus.mojo.chronos.data.TestCaseResult;
import org.codehaus.mojo.chronos.data.Thresholds;
import org.codehaus.mojo.chronos.xml.GroupedResponseTimeSamples;
import org.codehaus.mojo.chronos.xml.ResponseTimeSampleGroup;
import org.codehaus.plexus.util.DirectoryScanner;
import org.hibernate.Query;
import org.hibernate.Session;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.input.SAXBuilder;

import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * Goal which collects the execution of each performed unittest, and compares the execution time to previous measured
* execution times for the same test.
* If the new execution time is larger then the old ones, the build will fail with a list of non-complient tests. * * @goal collect * * @phase verify */ public class TimerMojo extends AbstractMojo { private static final String TESTCASE_TAG = "testcase"; private List compliencyProblems = new ArrayList(); /** * The id of the data, to create a report from. * * @parameter default-value = "performancetest" */ protected String dataid; /** * The directory where surefire reports results are stored. * * @parameter expression="${basedir}/target/surefire-reports" */ /* pp */File surefiredir; /** * The directory to store chronos timing output. * * @parameter expression="${basedir}/target/chronos" */ /* pp */File chronosdir; /** * The number of (latest) results to include in the final graphs.
* The more result - the longer processing time! * * @parameter default-value="200" */ /* pp */int maxnumberofresults; /** * The maximum difference allowed between two measurements in percentage.
* Setting this to 0 (or less) will cause many failed builds, since there will almost always be a small discrepancy between two identical runs. * * @parameter default-value="5" */ /* pp */int discrepancy; /** * @parameter expression="${project.build.testSourceDirectory}" */ private File testSourceDirectory; /** * Instructs chronos-timing to either fail or ignore the descrepancy (if any). * * @parameter default-value="true" */ /* pp */boolean failbuild; /** * List of test cases to exclude from reporting and validation * * @parameter */ private String[] excludes; /** * List of test cases to include in reporting and validation * * @parameter */ private String[] includes; /** * List of test cases to exclude from discrepancy tests.
* Chronos will still collect and report the execution time, but will not fail the build. * * @parameter */ private String[] reports; /** * Many unittests only takes a short time (< 100 m.seconds). Such tests will usually fail in chronos-surefire,
* because the default discrepancy of 50 m.seconds is 5 m.seconds, which is below the precision of the execution time recorder.
* In order to prevent such problems, chronos-timing will per default filter out tests with an execution time less the a certain minimum execution time. * * @parameter default-value="100" */ private long minimumexecutiontime = 100; public void execute() throws MojoExecutionException { File[] xmlFiles = surefiredir.listFiles(new FilenameFilter() { public boolean accept(File dir, String name) { return name.endsWith(".xml"); } }); final Set testCases = new HashSet(); final Thresholds baseTimes; try { baseTimes = new Thresholds( discrepancy ); } catch ( IOException e ) { throw new MojoExecutionException( "unable to load basetimes", e ); } for ( final File xmlFile : xmlFiles ) { Element testsuiteXML = loadFile( xmlFile ); List testCaseXMLs = testsuiteXML.getChildren( TESTCASE_TAG ); for ( Element testCaseXML : testCaseXMLs ) { final String classname = testCaseXML.getAttributeValue( "classname" ); final String name = testCaseXML.getAttributeValue( "name" ); final int executionTime = convertTime( testCaseXML.getAttributeValue( "time" ) ); if ( !getIncludedTests().contains( asPath( classname ) ) ) { continue; } HibernateUtil.run( new Transactional() { public void run( Session session ) throws MojoExecutionException { Query query = session.getNamedQuery("testcase.byClassAndName"); query.setString("classname", classname ); query.setString("name", name ); List res = query.list(); TestCase tc = res.isEmpty() ? null : res.get( 0 ); if ( tc == null && executionTime >= minimumexecutiontime ) { tc = new TestCase( classname, name ); } if ( tc != null ) { checkExecutionTime( tc, executionTime, baseTimes ); tc.addExecution( true, xmlFile.lastModified(), executionTime ); session.saveOrUpdate( tc ); testCases.add( classname ); } } } ); } } verifyCompliancy(); try { baseTimes.store(); } catch ( IOException e ) { throw new MojoExecutionException( "unable to store basetimes", e ); } exportToXml( testCases ); } private void verifyCompliancy() throws MojoExecutionException { if ( compliencyProblems.isEmpty() ) { return; } for ( String compliencyProblem : compliencyProblems ) { getLog().error( compliencyProblem ); } if ( failbuild ) { throw new MojoExecutionException( "Chronos-timing failed build due to compliency problems." ); } } private int convertTime(String time) { double dTime = Double.parseDouble(time); dTime = dTime * 1000; return new Double(dTime).intValue(); } private void exportToXml( final Set testClasses ) throws MojoExecutionException { HibernateUtil.run( new Transactional() { public void run( Session session ) throws MojoExecutionException { GroupedResponseTimeSamples samples = new GroupedResponseTimeSamples(); try { for (String testClass : testClasses) { Query query = session.getNamedQuery("testcase.byClass"); query.setString("classname", testClass ); List testCases = (List) query.list(); for (TestCase testCase : testCases) { samples.addGroup(assempleGroup(testCase)); } } } catch (IOException ex) { throw new MojoExecutionException("Error while saving results", ex); } getOutputdir().mkdirs(); try { samples.dumpResults(getOutputdir()); } catch (IOException ex) { throw new MojoExecutionException("Error while saving results", ex); } } } ); } private File getOutputdir() { return new File( chronosdir, dataid ); } private ResponseTimeSampleGroup assempleGroup(TestCase testCase) throws IOException { ResponseTimeSampleGroup tr = new ResponseTimeSampleGroup(testCase.getTestIdentifier()); int count = 0; int startIndex = testCase.getResults().size() - maxnumberofresults; for (TestCaseResult tcr : testCase.getResults()) { if (count >= startIndex) { tr.addMeasurement( tcr.getTimeOfMeasurement(), tcr.getTime(), tcr.isSuccess(), tcr.getIdentifier() ); } count++; } return tr; } private void checkExecutionTime( TestCase tc, int executionTime, Thresholds basetimes ) { if ( getValidatedTests().contains(asPath( tc.getClassname() ) ) ) { boolean valid = basetimes.validate( tc, executionTime ); if ( !valid ) { compliencyProblems.add( tc.getTestIdentifier() + " failed with an execution executionTime of " + executionTime + " against a base executionTime of " + basetimes.getBaseTime( tc ) ); } } } private Set getIncludedTests() { DirectoryScanner scanner = new DirectoryScanner(); scanner.setBasedir( testSourceDirectory ); scanner.setIncludes( merge( includes, reports ) ); scanner.setExcludes( excludes ); scanner.scan(); Set res = new HashSet( ); for (String filePath : scanner.getIncludedFiles()) { res.add( filePath ); } return res; } private Set getValidatedTests() { DirectoryScanner scanner = new DirectoryScanner(); scanner.setBasedir( testSourceDirectory ); scanner.setIncludes( includes ); scanner.setExcludes( merge( excludes, reports ) ); scanner.scan(); Set res = new HashSet( ); for (String filePath : scanner.getIncludedFiles()) { res.add( filePath ); } return res; } private String asPath(String className) { return className.replace( '.', File.separatorChar ) + ".java"; } private static String[] merge(String[] src1, String[] src2) { if ( src1 == null ) { src1 = new String[0]; } if ( src2 == null ) { src2 = new String[0]; } String[] dest = new String[src1.length + src2.length]; System.arraycopy( src1, 0, dest, 0, src1.length ); System.arraycopy( src2, 0, dest, src1.length, src2.length ); return dest; } private Element loadFile(File xmlFile) throws MojoExecutionException { try { SAXBuilder sb = new SAXBuilder(); Document doc = sb.build(xmlFile); return doc.getRootElement(); } catch (JDOMException e) { throw new MojoExecutionException("Error during parsing xml file.", e); } catch (IOException e) { throw new MojoExecutionException("Error loading xml file.", e); } } }




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