source.dussan.org Git - sonarqube.git/blob

   1 /*
   2  * SonarQube
   3  * Copyright (C) 2009-2017 SonarSource SA
   4  * mailto:info AT sonarsource DOT com
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  */
  20 package org.sonar.server.computation.task.projectanalysis.step;
  21
  22 import java.util.Collection;
  23 import javax.annotation.Nullable;
  24 import org.sonar.api.measures.CoreMetrics;
  25 import org.sonar.server.computation.task.projectanalysis.component.Component;
  26 import org.sonar.server.computation.task.projectanalysis.measure.Measure;
  27 import org.sonar.server.computation.task.projectanalysis.measure.MeasureRepository;
  28 import org.sonar.server.computation.task.projectanalysis.metric.MetricRepository;
  29 import org.sonar.server.computation.task.projectanalysis.qualitygate.EvaluationResult;
  30
  31 import static java.util.Arrays.asList;
  32
  33 public class SmallChangesetQualityGateSpecialCase {
  34
  35   /**
  36    * Some metrics will only produce warnings (never errors) on very small change sets.
  37    */
  38   private static final Collection<String> METRICS_THAT_CAN_ONLY_PRODUCE_WARNINGS_ON_SMALL_CHANGESETS = asList(
  39     CoreMetrics.NEW_COVERAGE_KEY,
  40     CoreMetrics.NEW_LINE_COVERAGE_KEY,
  41     CoreMetrics.NEW_BRANCH_COVERAGE_KEY,
  42     CoreMetrics.NEW_DUPLICATED_LINES_DENSITY_KEY,
  43     CoreMetrics.NEW_DUPLICATED_LINES_KEY,
  44     CoreMetrics.NEW_BLOCKS_DUPLICATED_KEY
  45   );
  46   private static final int MAXIMUM_NEW_LINES_FOR_SMALL_CHANGESETS = 19;
  47
  48   private final MeasureRepository measureRepository;
  49   private final MetricRepository metricRepository;
  50
  51   public SmallChangesetQualityGateSpecialCase(MeasureRepository measureRepository, MetricRepository metricRepository) {
  52     this.measureRepository = measureRepository;
  53     this.metricRepository = metricRepository;
  54   }
  55
  56   QualityGateMeasuresStep.MetricEvaluationResult applyIfNeeded(Component project, @Nullable QualityGateMeasuresStep.MetricEvaluationResult metricEvaluationResult) {
  57     if (metricEvaluationResult == null) {
  58       return metricEvaluationResult;
  59     }
  60     if (metricEvaluationResult.evaluationResult.getLevel() == Measure.Level.OK) {
  61       return metricEvaluationResult;
  62     }
  63     if (!METRICS_THAT_CAN_ONLY_PRODUCE_WARNINGS_ON_SMALL_CHANGESETS.contains(metricEvaluationResult.condition.getMetric().getKey())) {
  64       return metricEvaluationResult;
  65     }
  66     if (!isSmallChangeset(project)) {
  67       return metricEvaluationResult;
  68     }
  69     return calculateModifiedResult(metricEvaluationResult);
  70   }
  71
  72   private QualityGateMeasuresStep.MetricEvaluationResult calculateModifiedResult(@Nullable QualityGateMeasuresStep.MetricEvaluationResult metricEvaluationResult) {
  73     return new QualityGateMeasuresStep.MetricEvaluationResult(
  74       new EvaluationResult(Measure.Level.OK, metricEvaluationResult.evaluationResult.getValue()), metricEvaluationResult.condition);
  75   }
  76
  77   private boolean isSmallChangeset(Component project) {
  78     return measureRepository.getRawMeasure(project, metricRepository.getByKey(CoreMetrics.NEW_LINES_KEY))
  79       .transform(newLines -> newLines.hasVariation() && newLines.getVariation() <= MAXIMUM_NEW_LINES_FOR_SMALL_CHANGESETS)
  80       .or(false);
  81   }
  82 }