| package org.apache.maven.surefire.api.runorder; |
| |
| /* |
| * 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. |
| */ |
| |
| import org.apache.maven.surefire.api.report.ReportEntry; |
| import org.apache.maven.surefire.api.util.internal.ClassMethod; |
| |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.util.ArrayList; |
| import java.util.Comparator; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Scanner; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import static java.lang.Integer.parseInt; |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static java.util.Collections.sort; |
| import static org.apache.maven.surefire.api.util.internal.StringUtils.NL; |
| |
| /** |
| * @author Kristian Rosenvold |
| */ |
| public final class RunEntryStatisticsMap |
| { |
| private final Map<ClassMethod, RunEntryStatistics> runEntryStatistics; |
| |
| private RunEntryStatisticsMap( Map<ClassMethod, RunEntryStatistics> runEntryStatistics ) |
| { |
| this.runEntryStatistics = new ConcurrentHashMap<>( runEntryStatistics ); |
| } |
| |
| public RunEntryStatisticsMap() |
| { |
| runEntryStatistics = new ConcurrentHashMap<>(); |
| } |
| |
| public static RunEntryStatisticsMap fromFile( File file ) |
| { |
| if ( file.exists() ) |
| { |
| try |
| { |
| return fromStream( new FileInputStream( file ) ); |
| } |
| catch ( IOException e ) |
| { |
| throw new RuntimeException( e ); |
| } |
| } |
| else |
| { |
| return new RunEntryStatisticsMap(); |
| } |
| } |
| |
| public static RunEntryStatisticsMap fromStream( InputStream fileReader ) |
| { |
| Map<ClassMethod, RunEntryStatistics> result = new HashMap<>(); |
| try ( Scanner scanner = new Scanner( fileReader, "UTF-8" ) ) |
| { |
| RunEntryStatistics previous = null; |
| while ( scanner.hasNextLine() ) |
| { |
| String line = scanner.nextLine(); |
| |
| if ( line.charAt( 0 ) == ' ' ) |
| { |
| previous = new RunEntryStatistics( previous.getRunTime(), |
| previous.getSuccessfulBuilds(), |
| previous.getClassMethod().getClazz(), |
| previous.getClassMethod().getMethod() + NL + line.substring( 1 ) ); |
| } |
| else |
| { |
| if ( previous != null ) |
| { |
| result.put( previous.getClassMethod(), previous ); |
| } |
| |
| int to = line.indexOf( ',' ); |
| |
| String successfulBuildsString = line.substring( 0, to ); |
| int successfulBuilds = parseInt( successfulBuildsString ); |
| |
| int from = 1 + to; |
| to = line.indexOf( ',', from + 1 ); |
| |
| String runTimeString = line.substring( from, to ); |
| int runTime = parseInt( runTimeString ); |
| |
| from = 1 + to; |
| to = line.indexOf( ',', from + 1 ); |
| |
| String className = to == -1 ? line.substring( from ) : line.substring( from, to ); |
| |
| from = 1 + to; |
| |
| String methodName = to == -1 ? null : line.substring( from ); |
| |
| ClassMethod classMethod = new ClassMethod( className, methodName ); |
| previous = new RunEntryStatistics( runTime, successfulBuilds, classMethod ); |
| } |
| } |
| if ( previous != null ) |
| { |
| result.put( previous.getClassMethod(), previous ); |
| } |
| } |
| return new RunEntryStatisticsMap( result ); |
| } |
| |
| public void serialize( File statsFile ) |
| throws IOException |
| { |
| if ( statsFile.isFile() ) |
| { |
| //noinspection ResultOfMethodCallIgnored |
| statsFile.delete(); |
| } |
| OutputStream os = new FileOutputStream( statsFile ); |
| try ( BufferedWriter writer = new BufferedWriter( new OutputStreamWriter( os, UTF_8 ), 64 * 1024 ) ) |
| { |
| List<RunEntryStatistics> items = new ArrayList<>( runEntryStatistics.values() ); |
| sort( items, new RunCountComparator() ); |
| for ( Iterator<RunEntryStatistics> it = items.iterator(); it.hasNext(); ) |
| { |
| RunEntryStatistics item = it.next(); |
| ClassMethod test = item.getClassMethod(); |
| String line = item.getSuccessfulBuilds() + "," + item.getRunTime() + "," + test.getClazz() + ","; |
| writer.write( line ); |
| boolean wasFirstLine = false; |
| String method = test.getMethod(); |
| if ( method == null ) |
| { |
| continue; |
| } |
| |
| for ( Scanner scanner = new Scanner( method ); scanner.hasNextLine(); wasFirstLine = true ) |
| { |
| String methodLine = scanner.nextLine(); |
| if ( wasFirstLine ) |
| { |
| writer.write( ' ' ); |
| } |
| writer.write( methodLine ); |
| if ( scanner.hasNextLine() ) |
| { |
| writer.newLine(); |
| } |
| } |
| |
| if ( it.hasNext() ) |
| { |
| writer.newLine(); |
| } |
| } |
| } |
| } |
| |
| private RunEntryStatistics findOrCreate( ReportEntry reportEntry ) |
| { |
| ClassMethod classMethod = new ClassMethod( reportEntry.getSourceName(), reportEntry.getName() ); |
| RunEntryStatistics item = runEntryStatistics.get( classMethod ); |
| return item != null ? item : new RunEntryStatistics( reportEntry.getElapsed( 0 ), 0, classMethod ); |
| } |
| |
| public RunEntryStatistics createNextGeneration( ReportEntry reportEntry ) |
| { |
| RunEntryStatistics newItem = findOrCreate( reportEntry ); |
| return newItem.nextGeneration( reportEntry.getElapsed( 0 ) ); |
| } |
| |
| public RunEntryStatistics createNextGenerationFailure( ReportEntry reportEntry ) |
| { |
| RunEntryStatistics newItem = findOrCreate( reportEntry ); |
| return newItem.nextGenerationFailure( reportEntry.getElapsed( 0 ) ); |
| } |
| |
| public void add( RunEntryStatistics item ) |
| { |
| runEntryStatistics.put( item.getClassMethod(), item ); |
| } |
| |
| static final class RunCountComparator |
| implements Comparator<RunEntryStatistics> |
| { |
| @Override |
| public int compare( RunEntryStatistics o, RunEntryStatistics o1 ) |
| { |
| int runtime = o.getSuccessfulBuilds() - o1.getSuccessfulBuilds(); |
| return runtime == 0 ? o.getRunTime() - o1.getRunTime() : runtime; |
| } |
| } |
| |
| public List<Class<?>> getPrioritizedTestsClassRunTime( List<Class<?>> testsToRun, int threadCount ) |
| { |
| List<PrioritizedTest> prioritizedTests = getPrioritizedTests( testsToRun, new TestRuntimeComparator() ); |
| ThreadedExecutionScheduler threadedExecutionScheduler = new ThreadedExecutionScheduler( threadCount ); |
| for ( Object prioritizedTest1 : prioritizedTests ) |
| { |
| threadedExecutionScheduler.addTest( (PrioritizedTest) prioritizedTest1 ); |
| } |
| |
| return threadedExecutionScheduler.getResult(); |
| } |
| |
| public List<Class<?>> getPrioritizedTestsByFailureFirst( List<Class<?>> testsToRun ) |
| { |
| List<PrioritizedTest> prioritizedTests = getPrioritizedTests( testsToRun, new LeastFailureComparator() ); |
| return transformToClasses( prioritizedTests ); |
| } |
| |
| private List<PrioritizedTest> getPrioritizedTests( List<Class<?>> testsToRun, |
| Comparator<Priority> priorityComparator ) |
| { |
| Map<String, Priority> classPriorities = getPriorities( priorityComparator ); |
| |
| List<PrioritizedTest> tests = new ArrayList<>(); |
| for ( Class<?> clazz : testsToRun ) |
| { |
| Priority pri = classPriorities.get( clazz.getName() ); |
| if ( pri == null ) |
| { |
| pri = Priority.newTestClassPriority( clazz.getName() ); |
| } |
| PrioritizedTest prioritizedTest = new PrioritizedTest( clazz, pri ); |
| tests.add( prioritizedTest ); |
| } |
| sort( tests, new PrioritizedTestComparator() ); |
| return tests; |
| } |
| |
| private static List<Class<?>> transformToClasses( List<PrioritizedTest> tests ) |
| { |
| List<Class<?>> result = new ArrayList<>(); |
| for ( PrioritizedTest test : tests ) |
| { |
| result.add( test.getClazz() ); |
| } |
| return result; |
| } |
| |
| private Map<String, Priority> getPriorities( Comparator<Priority> priorityComparator ) |
| { |
| Map<String, Priority> priorities = new HashMap<>(); |
| for ( Entry<ClassMethod, RunEntryStatistics> testNames : runEntryStatistics.entrySet() ) |
| { |
| String clazzName = testNames.getKey().getClazz(); |
| Priority priority = priorities.get( clazzName ); |
| if ( priority == null ) |
| { |
| priority = new Priority( clazzName ); |
| priorities.put( clazzName, priority ); |
| } |
| priority.addItem( testNames.getValue() ); |
| } |
| |
| List<Priority> items = new ArrayList<>( priorities.values() ); |
| sort( items, priorityComparator ); |
| Map<String, Priority> result = new HashMap<>(); |
| int i = 0; |
| for ( Priority pri : items ) |
| { |
| pri.setPriority( i++ ); |
| result.put( pri.getClassName(), pri ); |
| } |
| return result; |
| } |
| |
| static final class PrioritizedTestComparator |
| implements Comparator<PrioritizedTest> |
| { |
| @Override |
| public int compare( PrioritizedTest o, PrioritizedTest o1 ) |
| { |
| return o.getPriority() - o1.getPriority(); |
| } |
| } |
| |
| static final class TestRuntimeComparator |
| implements Comparator<Priority> |
| { |
| @Override |
| public int compare( Priority o, Priority o1 ) |
| { |
| return o1.getTotalRuntime() - o.getTotalRuntime(); |
| } |
| } |
| |
| static final class LeastFailureComparator |
| implements Comparator<Priority> |
| { |
| @Override |
| public int compare( Priority o, Priority o1 ) |
| { |
| return o.getMinSuccessRate() - o1.getMinSuccessRate(); |
| } |
| } |
| } |