SONAR-4969 Do not mix batch and server classpaths

10 files changed, 73 insertions, 1324 deletions

diff --git a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/CorePlugin.java b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/CorePlugin.java
index a87d01690a6..b8770197f47 100644
--- a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/CorePlugin.java
+++ b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/CorePlugin.java
@@ -20,36 +20,84 @@
 package org.sonar.plugins.core;
 
 import com.google.common.collect.ImmutableList;
-import org.sonar.api.*;
+import org.sonar.api.CoreProperties;
+import org.sonar.api.Properties;
+import org.sonar.api.Property;
+import org.sonar.api.PropertyType;
+import org.sonar.api.SonarPlugin;
 import org.sonar.api.checks.NoSonarFilter;
-import org.sonar.api.config.PropertyDefinition;
-import org.sonar.api.resources.Qualifiers;
-import org.sonar.batch.components.PastSnapshotFinder;
-import org.sonar.batch.debt.IssueChangelogDebtCalculator;
-import org.sonar.batch.issue.ignore.IssueExclusionsConfiguration;
 import org.sonar.core.timemachine.Periods;
 import org.sonar.plugins.core.batch.IndexProjectPostJob;
 import org.sonar.plugins.core.charts.DistributionAreaChart;
 import org.sonar.plugins.core.charts.DistributionBarChart;
 import org.sonar.plugins.core.charts.XradarChart;
 import org.sonar.plugins.core.colorizers.JavaColorizerFormat;
-import org.sonar.plugins.core.dashboards.*;
-import org.sonar.plugins.core.issue.*;
-import org.sonar.plugins.core.issue.notification.*;
+import org.sonar.plugins.core.dashboards.GlobalDefaultDashboard;
+import org.sonar.plugins.core.dashboards.ProjectDefaultDashboard;
+import org.sonar.plugins.core.dashboards.ProjectHotspotDashboard;
+import org.sonar.plugins.core.dashboards.ProjectIssuesDashboard;
+import org.sonar.plugins.core.dashboards.ProjectTimeMachineDashboard;
+import org.sonar.plugins.core.issue.CountFalsePositivesDecorator;
+import org.sonar.plugins.core.issue.CountUnresolvedIssuesDecorator;
+import org.sonar.plugins.core.issue.InitialOpenIssuesSensor;
+import org.sonar.plugins.core.issue.InitialOpenIssuesStack;
+import org.sonar.plugins.core.issue.IssueHandlers;
+import org.sonar.plugins.core.issue.IssueTracking;
+import org.sonar.plugins.core.issue.IssueTrackingDecorator;
+import org.sonar.plugins.core.issue.IssuesDensityDecorator;
+import org.sonar.plugins.core.issue.WeightedIssuesDecorator;
+import org.sonar.plugins.core.issue.notification.ChangesOnMyIssueNotificationDispatcher;
+import org.sonar.plugins.core.issue.notification.IssueChangesEmailTemplate;
+import org.sonar.plugins.core.issue.notification.NewFalsePositiveNotificationDispatcher;
+import org.sonar.plugins.core.issue.notification.NewIssuesEmailTemplate;
+import org.sonar.plugins.core.issue.notification.NewIssuesNotificationDispatcher;
+import org.sonar.plugins.core.issue.notification.SendIssueNotificationsPostJob;
 import org.sonar.plugins.core.measurefilters.MyFavouritesFilter;
 import org.sonar.plugins.core.measurefilters.ProjectFilter;
 import org.sonar.plugins.core.notifications.alerts.NewAlerts;
 import org.sonar.plugins.core.security.ApplyProjectRolesDecorator;
-import org.sonar.plugins.core.sensors.*;
-import org.sonar.plugins.core.technicaldebt.DebtDecorator;
-import org.sonar.plugins.core.technicaldebt.NewDebtDecorator;
-import org.sonar.plugins.core.timemachine.*;
+import org.sonar.plugins.core.sensors.BranchCoverageDecorator;
+import org.sonar.plugins.core.sensors.CommentDensityDecorator;
+import org.sonar.plugins.core.sensors.CoverageDecorator;
+import org.sonar.plugins.core.sensors.CoverageMeasurementFilter;
+import org.sonar.plugins.core.sensors.DirectoriesDecorator;
+import org.sonar.plugins.core.sensors.FileHashSensor;
+import org.sonar.plugins.core.sensors.FilesDecorator;
+import org.sonar.plugins.core.sensors.ItBranchCoverageDecorator;
+import org.sonar.plugins.core.sensors.ItCoverageDecorator;
+import org.sonar.plugins.core.sensors.ItLineCoverageDecorator;
+import org.sonar.plugins.core.sensors.LineCoverageDecorator;
+import org.sonar.plugins.core.sensors.ManualMeasureDecorator;
+import org.sonar.plugins.core.sensors.OverallBranchCoverageDecorator;
+import org.sonar.plugins.core.sensors.OverallCoverageDecorator;
+import org.sonar.plugins.core.sensors.OverallLineCoverageDecorator;
+import org.sonar.plugins.core.sensors.ProfileEventsSensor;
+import org.sonar.plugins.core.sensors.ProjectLinksSensor;
+import org.sonar.plugins.core.sensors.UnitTestDecorator;
+import org.sonar.plugins.core.sensors.VersionEventsSensor;
+import org.sonar.plugins.core.timemachine.NewCoverageAggregator;
+import org.sonar.plugins.core.timemachine.NewCoverageFileAnalyzer;
+import org.sonar.plugins.core.timemachine.NewItCoverageFileAnalyzer;
+import org.sonar.plugins.core.timemachine.NewOverallCoverageFileAnalyzer;
+import org.sonar.plugins.core.timemachine.TendencyDecorator;
+import org.sonar.plugins.core.timemachine.TimeMachineConfigurationPersister;
+import org.sonar.plugins.core.timemachine.VariationDecorator;
 import org.sonar.plugins.core.web.TestsViewer;
 import org.sonar.plugins.core.widgets.*;
-import org.sonar.plugins.core.widgets.issues.*;
-import org.sonar.plugins.core.widgets.measures.*;
+import org.sonar.plugins.core.widgets.issues.ActionPlansWidget;
+import org.sonar.plugins.core.widgets.issues.FalsePositiveIssuesWidget;
+import org.sonar.plugins.core.widgets.issues.IssueFilterWidget;
+import org.sonar.plugins.core.widgets.issues.IssuesWidget;
+import org.sonar.plugins.core.widgets.issues.MyUnresolvedIssuesWidget;
+import org.sonar.plugins.core.widgets.issues.UnresolvedIssuesPerAssigneeWidget;
+import org.sonar.plugins.core.widgets.issues.UnresolvedIssuesStatusesWidget;
+import org.sonar.plugins.core.widgets.measures.MeasureFilterAsBubbleChartWidget;
+import org.sonar.plugins.core.widgets.measures.MeasureFilterAsCloudWidget;
+import org.sonar.plugins.core.widgets.measures.MeasureFilterAsHistogramWidget;
+import org.sonar.plugins.core.widgets.measures.MeasureFilterAsPieChartWidget;
+import org.sonar.plugins.core.widgets.measures.MeasureFilterListWidget;
+import org.sonar.plugins.core.widgets.measures.MeasureFilterTreemapWidget;
 
-import java.util.Arrays;
 import java.util.List;
 
 @Properties({
@@ -292,11 +340,6 @@ public final class CorePlugin extends SonarPlugin {
       NewFalsePositiveNotificationDispatcher.class,
       NewFalsePositiveNotificationDispatcher.newMetadata(),
 
-      // technical debt
-      DebtDecorator.class,
-      NewDebtDecorator.class,
-      IssueChangelogDebtCalculator.class,
-
       // batch
       ProfileEventsSensor.class,
       ProjectLinksSensor.class,
@@ -334,64 +377,7 @@ public final class CorePlugin extends SonarPlugin {
       NewAlerts.class,
       NewAlerts.newMetadata());
 
-    extensions.addAll(ExclusionProperties.definitions());
-    extensions.addAll(IssueExclusionsConfiguration.getPropertyDefinitions());
-    extensions.addAll(CoverageMeasurementFilter.getPropertyDefinitions());
-    extensions.addAll(PastSnapshotFinder.getPropertyDefinitions());
-    extensions.addAll(DebtDecorator.definitions());
-    extensions.addAll(propertyDefinitions());
-
     return extensions.build();
   }
 
-  static List<PropertyDefinition> propertyDefinitions() {
-    return Arrays.asList(
-      PropertyDefinition.builder(CoreProperties.CORE_VIOLATION_LOCALE_PROPERTY)
-        .defaultValue("en")
-        .name("Locale used for issue messages")
-        .description("Deprecated property. Keep default value for backward compatibility.")
-        .hidden()
-        .build(),
-      PropertyDefinition.builder(CoreProperties.CORE_ALLOW_USERS_TO_SIGNUP_PROPERTY)
-        .defaultValue("" + CoreProperties.CORE_ALLOW_USERS_TO_SIGNUP_DEAULT_VALUE)
-        .name("Allow users to sign up online")
-        .description("Users can sign up online.")
-        .type(PropertyType.BOOLEAN)
-        .category(CoreProperties.CATEGORY_SECURITY)
-        .build(),
-
-      PropertyDefinition.builder(CoreProperties.CORE_DEFAULT_GROUP)
-        .defaultValue(CoreProperties.CORE_DEFAULT_GROUP_DEFAULT_VALUE)
-        .name("Default user group")
-        .description("Any new users will automatically join this group.")
-        .category(CoreProperties.CATEGORY_SECURITY)
-        .build(),
-
-      PropertyDefinition.builder(CoreProperties.CORE_IMPORT_SOURCES_PROPERTY)
-        .defaultValue("" + CoreProperties.CORE_IMPORT_SOURCES_DEFAULT_VALUE)
-        .name("Import sources")
-        .description("Set to false if sources should not be imported and therefore not available in the Web UI (e.g. for security reasons).")
-        .type(PropertyType.BOOLEAN)
-        .onQualifiers(Qualifiers.PROJECT, Qualifiers.MODULE)
-        .category(CoreProperties.CATEGORY_SECURITY)
-        .build(),
-
-      PropertyDefinition.builder(CoreProperties.CORE_FORCE_AUTHENTICATION_PROPERTY)
-        .defaultValue("" + CoreProperties.CORE_FORCE_AUTHENTICATION_DEFAULT_VALUE)
-        .name("Force user authentication")
-        .description("Forcing user authentication stops un-logged users to access SonarQube.")
-        .type(PropertyType.BOOLEAN)
-        .category(CoreProperties.CATEGORY_SECURITY)
-        .build(),
-
-      PropertyDefinition.builder(CoreProperties.CORE_PREVENT_AUTOMATIC_PROJECT_CREATION)
-        .defaultValue(Boolean.toString(false))
-        .name("Prevent automatic project creation")
-        .description("Set to true to prevent automatic project creation at first analysis and force project provisioning.")
-        .type(PropertyType.BOOLEAN)
-        .category(CoreProperties.CATEGORY_SECURITY)
-        .build()
-    );
-  }
-
 }
diff --git a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/ExclusionProperties.java b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/ExclusionProperties.java
deleted file mode 100644
index b169a572965..00000000000
--- a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/ExclusionProperties.java
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * SonarQube, open source software quality management tool.
- * Copyright (C) 2008-2014 SonarSource
- * mailto:contact AT sonarsource DOT com
- *
- * SonarQube is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * SonarQube is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.plugins.core;
-
-import com.google.common.collect.ImmutableList;
-import org.sonar.api.CoreProperties;
-import org.sonar.api.config.PropertyDefinition;
-import org.sonar.api.resources.Qualifiers;
-
-import java.util.List;
-
-class ExclusionProperties {
-
-  private ExclusionProperties() {
-    // only static stuff
-  }
-
-  static List<PropertyDefinition> definitions() {
-    return ImmutableList.of(
-      PropertyDefinition.builder(CoreProperties.PROJECT_INCLUSIONS_PROPERTY)
-        .name("Source File Inclusions")
-        .multiValues(true)
-        .category(CoreProperties.CATEGORY_EXCLUSIONS)
-        .subCategory(CoreProperties.SUBCATEGORY_FILES_EXCLUSIONS)
-        .onQualifiers(Qualifiers.PROJECT)
-        .index(3)
-        .build(),
-      PropertyDefinition.builder(CoreProperties.PROJECT_TEST_INCLUSIONS_PROPERTY)
-        .name("Test File Inclusions")
-        .multiValues(true)
-        .category(CoreProperties.CATEGORY_EXCLUSIONS)
-        .subCategory(CoreProperties.SUBCATEGORY_FILES_EXCLUSIONS)
-        .onQualifiers(Qualifiers.PROJECT)
-        .index(5)
-        .build(),
-      PropertyDefinition.builder(CoreProperties.GLOBAL_EXCLUSIONS_PROPERTY)
-        .name("Global Source File Exclusions")
-        .multiValues(true)
-        .category(CoreProperties.CATEGORY_EXCLUSIONS)
-        .subCategory(CoreProperties.SUBCATEGORY_FILES_EXCLUSIONS)
-        .index(0)
-        .build(),
-      PropertyDefinition.builder(CoreProperties.GLOBAL_TEST_EXCLUSIONS_PROPERTY)
-        .name("Global Test File Exclusions")
-        .multiValues(true)
-        .category(CoreProperties.CATEGORY_EXCLUSIONS)
-        .subCategory(CoreProperties.SUBCATEGORY_FILES_EXCLUSIONS)
-        .index(1)
-        .build(),
-      PropertyDefinition.builder(CoreProperties.PROJECT_EXCLUSIONS_PROPERTY)
-        .name("Source File Exclusions")
-        .multiValues(true)
-        .category(CoreProperties.CATEGORY_EXCLUSIONS)
-        .subCategory(CoreProperties.SUBCATEGORY_FILES_EXCLUSIONS)
-        .onQualifiers(Qualifiers.PROJECT)
-        .index(2)
-        .build(),
-      PropertyDefinition.builder(CoreProperties.PROJECT_TEST_EXCLUSIONS_PROPERTY)
-        .name("Test File Exclusions")
-        .multiValues(true)
-        .category(CoreProperties.CATEGORY_EXCLUSIONS)
-        .subCategory(CoreProperties.SUBCATEGORY_FILES_EXCLUSIONS)
-        .onQualifiers(Qualifiers.PROJECT)
-        .index(4)
-        .build(),
-      PropertyDefinition.builder(CoreProperties.CORE_SKIPPED_MODULES_PROPERTY)
-        .name("Exclude Modules")
-        .description("Maven artifact ids of modules to exclude.")
-        .multiValues(true)
-        .category(CoreProperties.CATEGORY_EXCLUSIONS)
-        .subCategory(CoreProperties.SUBCATEGORY_FILES_EXCLUSIONS)
-        .onlyOnQualifiers(Qualifiers.PROJECT)
-        .index(0)
-        .build(),
-      PropertyDefinition.builder(CoreProperties.CORE_INCLUDED_MODULES_PROPERTY)
-        .name("Include Modules")
-        .description("Maven artifact ids of modules to include.")
-        .multiValues(true)
-        .category(CoreProperties.CATEGORY_EXCLUSIONS)
-        .subCategory(CoreProperties.SUBCATEGORY_FILES_EXCLUSIONS)
-        .onlyOnQualifiers(Qualifiers.PROJECT)
-        .index(1)
-        .build());
-  }
-}
diff --git a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/sensors/CoverageMeasurementFilter.java b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/sensors/CoverageMeasurementFilter.java
index e2bcea80dce..eeda60396a9 100644
--- a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/sensors/CoverageMeasurementFilter.java
+++ b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/sensors/CoverageMeasurementFilter.java
@@ -23,34 +23,26 @@ import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableList.Builder;
 import com.google.common.collect.ImmutableSet;
-import org.sonar.api.CoreProperties;
-import org.sonar.api.PropertyType;
-import org.sonar.api.config.PropertyDefinition;
 import org.sonar.api.config.Settings;
 import org.sonar.api.measures.Measure;
 import org.sonar.api.measures.Metric;
-import org.sonar.api.resources.Qualifiers;
 import org.sonar.api.resources.Resource;
 import org.sonar.api.utils.WildcardPattern;
 import org.sonar.core.measure.MeasurementFilter;
 
 import java.util.Collection;
 import java.util.Iterator;
-import java.util.List;
 
 public class CoverageMeasurementFilter implements MeasurementFilter {
 
-  public static final String PROPERTY_COVERAGE_EXCLUSIONS = "sonar.coverage.exclusions";
-  public static final String PROPERTY_COVERAGE_INCLUSIONS = "sonar.coverage.inclusions";
-
   private final Settings settings;
   private final ImmutableSet<Metric> coverageMetrics;
   private Collection<WildcardPattern> resourcePatterns;
 
   public CoverageMeasurementFilter(Settings settings,
-    CoverageDecorator coverageDecorator,
-    LineCoverageDecorator lineCoverageDecorator,
-    BranchCoverageDecorator branchCoverageDecorator) {
+                                   CoverageDecorator coverageDecorator,
+                                   LineCoverageDecorator lineCoverageDecorator,
+                                   BranchCoverageDecorator branchCoverageDecorator) {
     this.settings = settings;
     this.coverageMetrics = ImmutableSet.<Metric>builder()
       .addAll(coverageDecorator.generatedMetrics())
@@ -88,22 +80,10 @@ public class CoverageMeasurementFilter implements MeasurementFilter {
 
   @VisibleForTesting
   final void initPatterns() {
-    Builder<WildcardPattern> builder = ImmutableList.<WildcardPattern>builder();
-    for (String pattern : settings.getStringArray(PROPERTY_COVERAGE_EXCLUSIONS)) {
+    Builder<WildcardPattern> builder = ImmutableList.builder();
+    for (String pattern : settings.getStringArray("sonar.coverage.exclusions")) {
       builder.add(WildcardPattern.create(pattern));
     }
     resourcePatterns = builder.build();
   }
-
-  public static List<PropertyDefinition> getPropertyDefinitions() {
-    return ImmutableList.of(
-      PropertyDefinition.builder(PROPERTY_COVERAGE_EXCLUSIONS)
-        .category(CoreProperties.CATEGORY_EXCLUSIONS)
-        .subCategory(CoreProperties.SUBCATEGORY_COVERAGE_EXCLUSIONS)
-        .type(PropertyType.STRING)
-        .multiValues(true)
-        .onQualifiers(Qualifiers.PROJECT, Qualifiers.MODULE)
-        .build()
-      );
-  }
 }
diff --git a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/technicaldebt/DebtDecorator.java b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/technicaldebt/DebtDecorator.java
deleted file mode 100644
index 2caf164d9c2..00000000000
--- a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/technicaldebt/DebtDecorator.java
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * SonarQube, open source software quality management tool.
- * Copyright (C) 2008-2014 SonarSource
- * mailto:contact AT sonarsource DOT com
- *
- * SonarQube is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * SonarQube is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-
-package org.sonar.plugins.core.technicaldebt;
-
-import com.google.common.annotations.VisibleForTesting;
-import com.google.common.collect.ImmutableList;
-import org.sonar.api.CoreProperties;
-import org.sonar.api.PropertyType;
-import org.sonar.api.batch.*;
-import org.sonar.api.batch.rule.Rule;
-import org.sonar.api.batch.rule.Rules;
-import org.sonar.api.component.ResourcePerspectives;
-import org.sonar.api.config.PropertyDefinition;
-import org.sonar.api.issue.Issuable;
-import org.sonar.api.issue.Issue;
-import org.sonar.api.issue.internal.DefaultIssue;
-import org.sonar.api.measures.*;
-import org.sonar.api.resources.Project;
-import org.sonar.api.resources.Resource;
-import org.sonar.api.resources.ResourceUtils;
-import org.sonar.api.rule.RuleKey;
-import org.sonar.api.rules.RuleFinder;
-import org.sonar.api.technicaldebt.batch.Characteristic;
-import org.sonar.api.technicaldebt.batch.TechnicalDebtModel;
-
-import javax.annotation.CheckForNull;
-import javax.annotation.Nullable;
-
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import static com.google.common.collect.Lists.newArrayList;
-import static com.google.common.collect.Maps.newHashMap;
-
-/**
- * Decorator that computes the technical debt metric
- */
-@DependsUpon(DecoratorBarriers.ISSUES_TRACKED)
-public final class DebtDecorator implements Decorator {
-
-  private final ResourcePerspectives perspectives;
-  private final TechnicalDebtModel model;
-  private final Rules rules;
-
-  /**
-   * ruleFinder is needed to load "old" rule in order to persist rule measure
-   */
-  private final RuleFinder ruleFinder;
-
-  public DebtDecorator(ResourcePerspectives perspectives, TechnicalDebtModel model, Rules rules, RuleFinder ruleFinder) {
-    this.perspectives = perspectives;
-    this.model = model;
-    this.rules = rules;
-    this.ruleFinder = ruleFinder;
-  }
-
-  public boolean shouldExecuteOnProject(Project project) {
-    return true;
-  }
-
-  @DependedUpon
-  public List<Metric> generatesMetrics() {
-    return Arrays.asList(CoreMetrics.TECHNICAL_DEBT);
-  }
-
-  public void decorate(Resource resource, DecoratorContext context) {
-    Issuable issuable = perspectives.as(Issuable.class, resource);
-    if (issuable != null && shouldSaveMeasure(context)) {
-      List<Issue> issues = newArrayList(issuable.issues());
-      saveMeasures(context, issues);
-    }
-  }
-
-  private void saveMeasures(DecoratorContext context, List<Issue> issues) {
-    Long total = 0L;
-    SumMap<RuleKey> ruleDebts = new SumMap<RuleKey>();
-    SumMap<Characteristic> characteristicDebts = new SumMap<Characteristic>();
-
-    // Aggregate rules debt from current issues (and populate current characteristic debt)
-    for (Issue issue : issues) {
-      Long debt = ((DefaultIssue) issue).debtInMinutes();
-      total += computeDebt(debt, issue.ruleKey(), ruleDebts, characteristicDebts);
-    }
-
-    // Aggregate rules debt from children (and populate children characteristics debt)
-    for (Measure measure : context.getChildrenMeasures(MeasuresFilters.rules(CoreMetrics.TECHNICAL_DEBT))) {
-      Long debt = measure.getValue().longValue();
-      RuleMeasure ruleMeasure = (RuleMeasure) measure;
-      total += computeDebt(debt, ruleMeasure.getRule().ruleKey(), ruleDebts, characteristicDebts);
-    }
-
-    context.saveMeasure(CoreMetrics.TECHNICAL_DEBT, total.doubleValue());
-    saveOnRule(context, ruleDebts);
-    for (Characteristic characteristic : model.characteristics()) {
-      Long debt = characteristicDebts.get(characteristic);
-      saveCharacteristicMeasure(context, characteristic, debt != null ? debt.doubleValue() : 0d, false);
-    }
-  }
-
-  private Long computeDebt(@Nullable Long debt, RuleKey ruleKey, SumMap<RuleKey> ruleDebts, SumMap<Characteristic> characteristicDebts) {
-    if (debt != null) {
-      Rule rule = rules.find(ruleKey);
-      if (rule != null) {
-        String characteristicKey = rule.debtSubCharacteristic();
-        if (characteristicKey != null) {
-          Characteristic characteristic = model.characteristicByKey(characteristicKey);
-          if (characteristic != null) {
-            ruleDebts.add(ruleKey, debt);
-            characteristicDebts.add(characteristic, debt);
-            propagateTechnicalDebtInParents(characteristic.parent(), debt, characteristicDebts);
-            return debt;
-          }
-        }
-      }
-    }
-    return 0L;
-  }
-
-  private void propagateTechnicalDebtInParents(@Nullable Characteristic characteristic, long value, SumMap<Characteristic> characteristicDebts) {
-    if (characteristic != null) {
-      characteristicDebts.add(characteristic, value);
-      propagateTechnicalDebtInParents(characteristic.parent(), value, characteristicDebts);
-    }
-  }
-
-  private void saveOnRule(DecoratorContext context, SumMap<RuleKey> ruleDebts) {
-    for (Map.Entry<RuleKey, Long> entry : ruleDebts.entrySet()) {
-      org.sonar.api.rules.Rule oldRule = ruleFinder.findByKey(entry.getKey());
-      if (oldRule != null) {
-        saveRuleMeasure(context, oldRule, entry.getValue().doubleValue(), ResourceUtils.isEntity(context.getResource()));
-      }
-    }
-  }
-
-  @VisibleForTesting
-  void saveCharacteristicMeasure(DecoratorContext context, Characteristic characteristic, Double value, boolean inMemory) {
-    // we need the value on projects (root or module) even if value==0 in order to display correctly the SQALE history chart (see SQALE-122)
-    // BUT we don't want to save zero-values for non top-characteristics (see SQALE-147)
-    if (value > 0.0 || (ResourceUtils.isProject(context.getResource()) && characteristic.isRoot())) {
-      Measure measure = new Measure(CoreMetrics.TECHNICAL_DEBT);
-      measure.setCharacteristic(characteristic);
-      saveMeasure(context, measure, value, inMemory);
-    }
-  }
-
-  @VisibleForTesting
-  void saveRuleMeasure(DecoratorContext context, org.sonar.api.rules.Rule rule, Double value, boolean inMemory) {
-    // we need the value on projects (root or module) even if value==0 in order to display correctly the SQALE history chart (see SQALE-122)
-    // BUT we don't want to save zero-values for non top-characteristics (see SQALE-147)
-    if (value > 0.0) {
-      RuleMeasure measure = new RuleMeasure(CoreMetrics.TECHNICAL_DEBT, rule, null, null);
-      saveMeasure(context, measure, value, inMemory);
-    }
-  }
-
-  private void saveMeasure(DecoratorContext context, Measure measure, Double value, boolean inMemory) {
-    measure.setValue(value);
-    if (inMemory) {
-      measure.setPersistenceMode(PersistenceMode.MEMORY);
-    }
-    context.saveMeasure(measure);
-  }
-
-  private boolean shouldSaveMeasure(DecoratorContext context) {
-    return context.getMeasure(CoreMetrics.TECHNICAL_DEBT) == null;
-  }
-
-  public static List<PropertyDefinition> definitions() {
-    return ImmutableList.of(
-      PropertyDefinition.builder(CoreProperties.HOURS_IN_DAY)
-        .name("Number of working hours in a day")
-        .type(PropertyType.INTEGER)
-        .defaultValue("8")
-        .category(CoreProperties.CATEGORY_TECHNICAL_DEBT)
-        .deprecatedKey("sqale.hoursInDay")
-        .build()
-    );
-  }
-
-  private static class SumMap<E> {
-    private Map<E, Long> sumByKeys;
-
-    public SumMap() {
-      sumByKeys = newHashMap();
-    }
-
-    public void add(@Nullable E key, Long value) {
-      if (key != null) {
-        Long currentValue = sumByKeys.get(key);
-        sumByKeys.put(key, currentValue != null ? currentValue + value : value);
-      }
-    }
-
-    @CheckForNull
-    public Long get(E key) {
-      return sumByKeys.get(key);
-    }
-
-    public Set<Map.Entry<E, Long>> entrySet() {
-      return sumByKeys.entrySet();
-    }
-  }
-}
diff --git a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/technicaldebt/NewDebtDecorator.java b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/technicaldebt/NewDebtDecorator.java
deleted file mode 100644
index f5f7062a584..00000000000
--- a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/technicaldebt/NewDebtDecorator.java
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * SonarQube, open source software quality management tool.
- * Copyright (C) 2008-2014 SonarSource
- * mailto:contact AT sonarsource DOT com
- *
- * SonarQube is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * SonarQube is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-
-package org.sonar.plugins.core.technicaldebt;
-
-import com.google.common.collect.ImmutableList;
-import org.sonar.api.batch.*;
-import org.sonar.api.component.ResourcePerspectives;
-import org.sonar.api.issue.Issuable;
-import org.sonar.api.issue.Issue;
-import org.sonar.api.measures.CoreMetrics;
-import org.sonar.api.measures.Measure;
-import org.sonar.api.measures.MeasureUtils;
-import org.sonar.api.measures.Metric;
-import org.sonar.api.resources.Project;
-import org.sonar.api.resources.Resource;
-import org.sonar.batch.components.Period;
-import org.sonar.batch.components.TimeMachineConfiguration;
-import org.sonar.batch.debt.IssueChangelogDebtCalculator;
-
-import javax.annotation.Nullable;
-
-import java.util.Collection;
-import java.util.Date;
-import java.util.List;
-
-import static com.google.common.collect.Lists.newArrayList;
-
-/**
- * Decorator that computes the technical debt metric
- */
-@DependsUpon(DecoratorBarriers.ISSUES_TRACKED)
-public final class NewDebtDecorator implements Decorator {
-
-  private final ResourcePerspectives perspectives;
-  private final TimeMachineConfiguration timeMachineConfiguration;
-  private final IssueChangelogDebtCalculator issueChangelogDebtCalculator;
-
-  public NewDebtDecorator(ResourcePerspectives perspectives, TimeMachineConfiguration timeMachineConfiguration,
-                          IssueChangelogDebtCalculator issueChangelogDebtCalculator) {
-    this.perspectives = perspectives;
-    this.timeMachineConfiguration = timeMachineConfiguration;
-    this.issueChangelogDebtCalculator = issueChangelogDebtCalculator;
-  }
-
-  public boolean shouldExecuteOnProject(Project project) {
-    return true;
-  }
-
-  @DependedUpon
-  public List<Metric> generatesMetrics() {
-    return ImmutableList.of(
-      CoreMetrics.NEW_TECHNICAL_DEBT
-    );
-  }
-
-  public void decorate(Resource resource, DecoratorContext context) {
-    Issuable issuable = perspectives.as(Issuable.class, resource);
-    if (issuable != null && shouldSaveNewMetrics(context)) {
-      List<Issue> issues = newArrayList(issuable.issues());
-      saveMeasures(context, issues);
-    }
-  }
-
-  private void saveMeasures(DecoratorContext context, Collection<Issue> issues) {
-    Measure measure = new Measure(CoreMetrics.NEW_TECHNICAL_DEBT);
-    for (Period period : timeMachineConfiguration.periods()) {
-      Date periodDate = period.getDate();
-      double value = calculateNewTechnicalDebtValue(issues, periodDate);
-      Collection<Measure> children = context.getChildrenMeasures(measure.getMetric());
-      double sum = MeasureUtils.sumOnVariation(true, period.getIndex(), children) + value;
-      measure.setVariation(period.getIndex(), sum);
-    }
-    context.saveMeasure(measure);
-  }
-
-  private long calculateNewTechnicalDebtValue(Collection<Issue> issues, @Nullable Date periodDate) {
-    long result = 0;
-    for (Issue issue : issues) {
-      Long debt = issueChangelogDebtCalculator.calculateNewTechnicalDebt(issue, periodDate);
-      if (debt != null) {
-        result += debt;
-      }
-    }
-    return result;
-  }
-
-  private boolean shouldSaveNewMetrics(DecoratorContext context) {
-    return context.getMeasure(CoreMetrics.NEW_TECHNICAL_DEBT) == null;
-  }
-
-}
diff --git a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/technicaldebt/package-info.java b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/technicaldebt/package-info.java
deleted file mode 100644
index defa4e01d36..00000000000
--- a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/technicaldebt/package-info.java
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * SonarQube, open source software quality management tool.
- * Copyright (C) 2008-2014 SonarSource
- * mailto:contact AT sonarsource DOT com
- *
- * SonarQube is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * SonarQube is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-@ParametersAreNonnullByDefault
-package org.sonar.plugins.core.technicaldebt;
-
-import javax.annotation.ParametersAreNonnullByDefault;
diff --git a/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/ExclusionPropertiesTest.java b/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/ExclusionPropertiesTest.java
deleted file mode 100644
index 42aed67cb00..00000000000
--- a/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/ExclusionPropertiesTest.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * SonarQube, open source software quality management tool.
- * Copyright (C) 2008-2014 SonarSource
- * mailto:contact AT sonarsource DOT com
- *
- * SonarQube is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * SonarQube is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.plugins.core;
-
-import org.junit.Test;
-import org.sonar.api.CoreProperties;
-import org.sonar.api.config.PropertyDefinition;
-
-import static org.fest.assertions.Assertions.assertThat;
-
-public class ExclusionPropertiesTest {
-  @Test
-  public void definitions() throws Exception {
-    assertThat(ExclusionProperties.definitions().size()).isGreaterThan(0);
-    for (PropertyDefinition definition : ExclusionProperties.definitions()) {
-      assertThat(definition.category()).isEqualTo(CoreProperties.CATEGORY_EXCLUSIONS);
-    }
-  }
-}
diff --git a/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/sensors/CoverageMeasurementFilterTest.java b/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/sensors/CoverageMeasurementFilterTest.java
index 8254fb28094..072dea5844e 100644
--- a/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/sensors/CoverageMeasurementFilterTest.java
+++ b/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/sensors/CoverageMeasurementFilterTest.java
@@ -27,6 +27,7 @@ import org.sonar.api.measures.CoreMetrics;
 import org.sonar.api.measures.Measure;
 import org.sonar.api.resources.File;
 import org.sonar.api.resources.Resource;
+import org.sonar.core.config.ExclusionProperties;
 
 import static org.fest.assertions.Assertions.assertThat;
 import static org.mockito.Mockito.mock;
@@ -40,7 +41,7 @@ public class CoverageMeasurementFilterTest {
 
   @Before
   public void createFilter() {
-    settings = new Settings(new PropertyDefinitions(CoverageMeasurementFilter.getPropertyDefinitions()));
+    settings = new Settings(new PropertyDefinitions(ExclusionProperties.all()));
     filter = new CoverageMeasurementFilter(settings, new CoverageDecorator(), new LineCoverageDecorator(), new BranchCoverageDecorator());
   }
 
@@ -57,7 +58,7 @@ public class CoverageMeasurementFilterTest {
     Measure coverageMeasure = mock(Measure.class);
     when(coverageMeasure.getMetric()).thenReturn(CoreMetrics.LINES_TO_COVER);
 
-    settings.setProperty(CoverageMeasurementFilter.PROPERTY_COVERAGE_EXCLUSIONS, "src/org/polop/*");
+    settings.setProperty("sonar.coverage.exclusions", "src/org/polop/*");
     filter.initPatterns();
     assertThat(filter.accept(resource, coverageMeasure)).isFalse();
   }
@@ -68,7 +69,7 @@ public class CoverageMeasurementFilterTest {
     Measure coverageMeasure = mock(Measure.class);
     when(coverageMeasure.getMetric()).thenReturn(CoreMetrics.COVERAGE);
 
-    settings.setProperty(CoverageMeasurementFilter.PROPERTY_COVERAGE_EXCLUSIONS, "src/org/other/*");
+    settings.setProperty("sonar.coverage.exclusions", "src/org/other/*");
     filter.initPatterns();
     assertThat(filter.accept(resource, coverageMeasure)).isTrue();
   }
diff --git a/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/technicaldebt/DebtDecoratorTest.java b/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/technicaldebt/DebtDecoratorTest.java
deleted file mode 100644
index 2aac5804446..00000000000
--- a/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/technicaldebt/DebtDecoratorTest.java
+++ /dev/null
@@ -1,351 +0,0 @@
-/*
- * SonarQube, open source software quality management tool.
- * Copyright (C) 2008-2014 SonarSource
- * mailto:contact AT sonarsource DOT com
- *
- * SonarQube is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * SonarQube is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-
-package org.sonar.plugins.core.technicaldebt;
-
-import com.google.common.collect.Lists;
-import org.apache.commons.lang.ObjectUtils;
-import org.apache.commons.lang.builder.ToStringBuilder;
-import org.apache.commons.lang.builder.ToStringStyle;
-import org.hamcrest.Description;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.ArgumentMatcher;
-import org.mockito.Mock;
-import org.mockito.runners.MockitoJUnitRunner;
-import org.sonar.api.batch.DecoratorContext;
-import org.sonar.api.batch.rule.Rules;
-import org.sonar.api.batch.rule.internal.RulesBuilder;
-import org.sonar.api.component.ResourcePerspectives;
-import org.sonar.api.issue.Issuable;
-import org.sonar.api.issue.Issue;
-import org.sonar.api.issue.internal.DefaultIssue;
-import org.sonar.api.measures.*;
-import org.sonar.api.resources.File;
-import org.sonar.api.resources.Project;
-import org.sonar.api.resources.Resource;
-import org.sonar.api.rule.RuleKey;
-import org.sonar.api.rules.RuleFinder;
-import org.sonar.api.technicaldebt.batch.Characteristic;
-import org.sonar.api.technicaldebt.batch.TechnicalDebtModel;
-import org.sonar.api.technicaldebt.batch.internal.DefaultCharacteristic;
-import org.sonar.api.test.IsMeasure;
-import org.sonar.api.utils.Duration;
-
-import java.util.Collections;
-
-import static com.google.common.collect.Lists.newArrayList;
-import static org.fest.assertions.Assertions.assertThat;
-import static org.mockito.Matchers.any;
-import static org.mockito.Mockito.*;
-
-@RunWith(MockitoJUnitRunner.class)
-public class DebtDecoratorTest {
-
-  static final int HOURS_IN_DAY = 8;
-
-  static final Long ONE_DAY_IN_MINUTES = 1L * HOURS_IN_DAY * 60;
-
-  @Mock
-  DecoratorContext context;
-
-  @Mock
-  Resource resource;
-
-  @Mock
-  TechnicalDebtModel debtModel;
-
-  @Mock
-  Issuable issuable;
-
-  @Mock
-  ResourcePerspectives perspectives;
-
-  @Mock
-  RuleFinder ruleFinder;
-
-  RuleKey ruleKey1 = RuleKey.of("repo1", "rule1");
-  RuleKey ruleKey2 = RuleKey.of("repo2", "rule2");
-  Rules rules;
-
-  DefaultCharacteristic efficiency = new DefaultCharacteristic().setKey("EFFICIENCY");
-  DefaultCharacteristic memoryEfficiency = new DefaultCharacteristic().setKey("MEMORY_EFFICIENCY").setParent(efficiency);
-
-  DefaultCharacteristic reusability = new DefaultCharacteristic().setKey("REUSABILITY");
-  DefaultCharacteristic modularity = new DefaultCharacteristic().setKey("MODULARITY").setParent(reusability);
-
-  DebtDecorator decorator;
-
-  @Before
-  public void before() throws Exception {
-    when(perspectives.as(Issuable.class, resource)).thenReturn(issuable);
-    RulesBuilder rulesBuilder = new RulesBuilder();
-    rulesBuilder.add(ruleKey1).setName("rule1").setDebtSubCharacteristic("MEMORY_EFFICIENCY");
-    rulesBuilder.add(ruleKey2).setName("rule2").setDebtSubCharacteristic("MODULARITY");
-    rules = rulesBuilder.build();
-
-    when(ruleFinder.findByKey(ruleKey1)).thenReturn(org.sonar.api.rules.Rule.create(ruleKey1.repository(), ruleKey1.rule()));
-    when(ruleFinder.findByKey(ruleKey2)).thenReturn(org.sonar.api.rules.Rule.create(ruleKey2.repository(), ruleKey2.rule()));
-
-    when(debtModel.characteristics()).thenReturn(newArrayList(efficiency, memoryEfficiency, reusability, modularity));
-    when(debtModel.characteristicByKey("EFFICIENCY")).thenReturn(efficiency);
-    when(debtModel.characteristicByKey("MEMORY_EFFICIENCY")).thenReturn(memoryEfficiency);
-    when(debtModel.characteristicByKey("REUSABILITY")).thenReturn(reusability);
-    when(debtModel.characteristicByKey("MODULARITY")).thenReturn(modularity);
-
-    decorator = new DebtDecorator(perspectives, debtModel, rules, ruleFinder);
-  }
-
-  @Test
-  public void generates_metrics() throws Exception {
-    assertThat(decorator.generatesMetrics()).hasSize(1);
-  }
-
-  @Test
-  public void execute_on_project() throws Exception {
-    assertThat(decorator.shouldExecuteOnProject(null)).isTrue();
-  }
-
-  @Test
-  public void not_save_if_measure_already_computed() {
-    when(context.getMeasure(CoreMetrics.TECHNICAL_DEBT)).thenReturn(new Measure());
-
-    decorator.decorate(resource, context);
-
-    verify(context, never()).saveMeasure(argThat(new IsMeasure(CoreMetrics.TECHNICAL_DEBT)));
-  }
-
-  @Test
-  public void add_technical_debt_from_one_issue_and_no_parent() throws Exception {
-    Issue issue = createIssue("rule1", "repo1").setDebt(Duration.create(ONE_DAY_IN_MINUTES));
-    when(issuable.issues()).thenReturn(newArrayList(issue));
-
-    decorator.decorate(resource, context);
-
-    verify(context).saveMeasure(CoreMetrics.TECHNICAL_DEBT, ONE_DAY_IN_MINUTES.doubleValue());
-    verify(context).saveMeasure(argThat(new IsRuleMeasure(CoreMetrics.TECHNICAL_DEBT, ruleKey1, ONE_DAY_IN_MINUTES.doubleValue())));
-  }
-
-  @Test
-  public void add_technical_debt_from_one_issue_without_debt() throws Exception {
-    Issue issue = createIssue("rule1", "repo1").setDebt(null);
-    when(issuable.issues()).thenReturn(newArrayList(issue));
-
-    decorator.decorate(resource, context);
-
-    verify(context).saveMeasure(CoreMetrics.TECHNICAL_DEBT, 0.0);
-  }
-
-  @Test
-  public void add_technical_debt_from_one_issue_and_propagate_to_parents() throws Exception {
-    Issue issue = createIssue("rule1", "repo1").setDebt(Duration.create(ONE_DAY_IN_MINUTES));
-    when(issuable.issues()).thenReturn(newArrayList(issue));
-
-    decorator.decorate(resource, context);
-
-    verify(context).saveMeasure(CoreMetrics.TECHNICAL_DEBT, ONE_DAY_IN_MINUTES.doubleValue());
-    verify(context).saveMeasure(argThat(new IsRuleMeasure(CoreMetrics.TECHNICAL_DEBT, ruleKey1, ONE_DAY_IN_MINUTES.doubleValue())));
-    verify(context).saveMeasure(argThat(new IsCharacteristicMeasure(CoreMetrics.TECHNICAL_DEBT, efficiency, ONE_DAY_IN_MINUTES.doubleValue())));
-    verify(context).saveMeasure(argThat(new IsCharacteristicMeasure(CoreMetrics.TECHNICAL_DEBT, memoryEfficiency, ONE_DAY_IN_MINUTES.doubleValue())));
-  }
-
-  @Test
-  public void add_technical_debt_from_issues() throws Exception {
-    Long technicalDebt1 = ONE_DAY_IN_MINUTES;
-    Long technicalDebt2 = 2 * ONE_DAY_IN_MINUTES;
-
-    Issue issue1 = createIssue("rule1", "repo1").setDebt(Duration.create(technicalDebt1));
-    Issue issue2 = createIssue("rule1", "repo1").setDebt(Duration.create(technicalDebt1));
-    Issue issue3 = createIssue("rule2", "repo2").setDebt(Duration.create(technicalDebt2));
-    Issue issue4 = createIssue("rule2", "repo2").setDebt(Duration.create(technicalDebt2));
-    when(issuable.issues()).thenReturn(newArrayList(issue1, issue2, issue3, issue4));
-
-    decorator.decorate(resource, context);
-
-    verify(context).saveMeasure(CoreMetrics.TECHNICAL_DEBT, 6d * ONE_DAY_IN_MINUTES);
-    verify(context).saveMeasure(argThat(new IsRuleMeasure(CoreMetrics.TECHNICAL_DEBT, ruleKey1, 2d * ONE_DAY_IN_MINUTES)));
-    verify(context).saveMeasure(argThat(new IsRuleMeasure(CoreMetrics.TECHNICAL_DEBT, ruleKey2, 4d * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void add_technical_debt_from_current_and_children_measures() throws Exception {
-    Issue issue1 = createIssue("rule1", "repo1").setDebt(Duration.create(ONE_DAY_IN_MINUTES));
-    Issue issue2 = createIssue("rule1", "repo1").setDebt(Duration.create(ONE_DAY_IN_MINUTES));
-    when(issuable.issues()).thenReturn(newArrayList(issue1, issue2));
-
-    when(context.getChildrenMeasures(any(MeasuresFilter.class))).thenReturn(Lists.<Measure>newArrayList(
-      new RuleMeasure(CoreMetrics.TECHNICAL_DEBT,
-        org.sonar.api.rules.Rule.create(ruleKey1.repository(), ruleKey1.rule()), null, null)
-        .setValue(5d * ONE_DAY_IN_MINUTES)
-    ));
-    decorator.decorate(resource, context);
-
-    verify(context).saveMeasure(CoreMetrics.TECHNICAL_DEBT, 7d * ONE_DAY_IN_MINUTES);
-    verify(context).saveMeasure(argThat(new IsRuleMeasure(CoreMetrics.TECHNICAL_DEBT, ruleKey1, 7d * ONE_DAY_IN_MINUTES)));
-    verify(context).saveMeasure(argThat(new IsCharacteristicMeasure(CoreMetrics.TECHNICAL_DEBT, memoryEfficiency, 7d * ONE_DAY_IN_MINUTES)));
-    verify(context).saveMeasure(argThat(new IsCharacteristicMeasure(CoreMetrics.TECHNICAL_DEBT, efficiency, 7d * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void add_technical_debt_only_from_children_measures() throws Exception {
-    when(issuable.issues()).thenReturn(Collections.<Issue>emptyList());
-
-    when(context.getChildrenMeasures(any(MeasuresFilter.class))).thenReturn(Lists.<Measure>newArrayList(
-      new RuleMeasure(CoreMetrics.TECHNICAL_DEBT,
-        org.sonar.api.rules.Rule.create(ruleKey1.repository(), ruleKey1.rule())
-        , null, null).setValue(5d * ONE_DAY_IN_MINUTES),
-
-      new RuleMeasure(CoreMetrics.TECHNICAL_DEBT,
-        org.sonar.api.rules.Rule.create(ruleKey2.repository(), ruleKey2.rule())
-        , null, null).setValue(10d * ONE_DAY_IN_MINUTES)
-    ));
-    decorator.decorate(resource, context);
-
-    verify(context).saveMeasure(CoreMetrics.TECHNICAL_DEBT, 15d * ONE_DAY_IN_MINUTES);
-    verify(context).saveMeasure(argThat(new IsRuleMeasure(CoreMetrics.TECHNICAL_DEBT, ruleKey1, 5d * ONE_DAY_IN_MINUTES)));
-    verify(context).saveMeasure(argThat(new IsRuleMeasure(CoreMetrics.TECHNICAL_DEBT, ruleKey2, 10d * ONE_DAY_IN_MINUTES)));
-    verify(context).saveMeasure(argThat(new IsCharacteristicMeasure(CoreMetrics.TECHNICAL_DEBT, memoryEfficiency, 5d * ONE_DAY_IN_MINUTES)));
-    verify(context).saveMeasure(argThat(new IsCharacteristicMeasure(CoreMetrics.TECHNICAL_DEBT, efficiency, 5d * ONE_DAY_IN_MINUTES)));
-    verify(context).saveMeasure(argThat(new IsCharacteristicMeasure(CoreMetrics.TECHNICAL_DEBT, reusability, 10d * ONE_DAY_IN_MINUTES)));
-    verify(context).saveMeasure(argThat(new IsCharacteristicMeasure(CoreMetrics.TECHNICAL_DEBT, modularity, 10d * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void always_save_technical_debt_for_positive_values() throws Exception {
-    // for a project
-    DecoratorContext context = mock(DecoratorContext.class);
-    when(context.getResource()).thenReturn(new Project("foo"));
-    decorator.saveCharacteristicMeasure(context, (Characteristic) null, 12.0, false);
-    verify(context, times(1)).saveMeasure(new Measure(CoreMetrics.TECHNICAL_DEBT));
-
-    // or for a file
-    context = mock(DecoratorContext.class);
-    when(context.getResource()).thenReturn(new File("foo"));
-    decorator.saveCharacteristicMeasure(context, (Characteristic) null, 12.0, false);
-    verify(context, times(1)).saveMeasure(new Measure(CoreMetrics.TECHNICAL_DEBT));
-  }
-
-  @Test
-  public void always_save_technical_debt_for_project_if_top_characteristic() throws Exception {
-    DecoratorContext context = mock(DecoratorContext.class);
-    when(context.getResource()).thenReturn(new Project("foo"));
-
-    // this is a top characteristic
-    DefaultCharacteristic rootCharacteristic = new DefaultCharacteristic().setKey("root");
-
-    decorator.saveCharacteristicMeasure(context, rootCharacteristic, 0.0, true);
-    verify(context, times(1)).saveMeasure(new Measure(CoreMetrics.TECHNICAL_DEBT).setCharacteristic(rootCharacteristic));
-  }
-
-  /**
-   * SQALE-147
-   */
-  @Test
-  public void never_save_technical_debt_for_project_if_not_top_characteristic() throws Exception {
-    DecoratorContext context = mock(DecoratorContext.class);
-    when(context.getResource()).thenReturn(new Project("foo"));
-
-    DefaultCharacteristic rootCharacteristic = new DefaultCharacteristic().setKey("EFFICIENCY");
-    DefaultCharacteristic characteristic = new DefaultCharacteristic().setKey("MEMORY_EFFICIENCY").setParent(rootCharacteristic);
-
-    decorator.saveCharacteristicMeasure(context, characteristic, 0.0, true);
-    verify(context, never()).saveMeasure(any(Measure.class));
-  }
-
-  @Test
-  public void not_save_technical_debt_for_file_if_zero() throws Exception {
-    DecoratorContext context = mock(DecoratorContext.class);
-    when(context.getResource()).thenReturn(new File("foo"));
-
-    decorator.saveCharacteristicMeasure(context, (Characteristic) null, 0.0, true);
-    verify(context, never()).saveMeasure(new Measure(CoreMetrics.TECHNICAL_DEBT));
-  }
-
-  @Test
-  public void check_definitions() {
-    assertThat(DebtDecorator.definitions()).hasSize(1);
-  }
-
-  private DefaultIssue createIssue(String ruleKey, String repositoryKey) {
-    return new DefaultIssue().setRuleKey(RuleKey.of(repositoryKey, ruleKey));
-  }
-
-  class IsCharacteristicMeasure extends ArgumentMatcher<Measure> {
-    Metric metric = null;
-    Characteristic characteristic = null;
-    Double value = null;
-
-    public IsCharacteristicMeasure(Metric metric, Characteristic characteristic, Double value) {
-      this.metric = metric;
-      this.characteristic = characteristic;
-      this.value = value;
-    }
-
-    @Override
-    public boolean matches(Object o) {
-      if (!(o instanceof Measure)) {
-        return false;
-      }
-      Measure m = (Measure) o;
-      return ObjectUtils.equals(metric, m.getMetric()) &&
-        ObjectUtils.equals(characteristic, m.getCharacteristic()) &&
-        ObjectUtils.equals(value, m.getValue());
-    }
-
-    @Override
-    public void describeTo(Description description) {
-      description.appendText(new StringBuilder()
-        .append("value=").append(value).append(",")
-        .append("characteristic=").append(characteristic.key()).append(",")
-        .append("metric=").append(metric.getKey()).toString())
-      ;
-    }
-  }
-
-  class IsRuleMeasure extends ArgumentMatcher<RuleMeasure> {
-    Metric metric = null;
-    RuleKey ruleKey = null;
-    Double value = null;
-
-    public IsRuleMeasure(Metric metric, RuleKey ruleKey, Double value) {
-      this.metric = metric;
-      this.ruleKey = ruleKey;
-      this.value = value;
-    }
-
-    @Override
-    public boolean matches(Object o) {
-      if (!(o instanceof RuleMeasure)) {
-        return false;
-      }
-      RuleMeasure m = (RuleMeasure) o;
-      return ObjectUtils.equals(metric, m.getMetric()) &&
-        ObjectUtils.equals(ruleKey.repository(), m.getRule().getRepositoryKey()) &&
-        ObjectUtils.equals(ruleKey.rule(), m.getRule().getKey()) &&
-        ObjectUtils.equals(value, m.getValue());
-    }
-
-    @Override
-    public void describeTo(Description description) {
-      description.appendText(ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE));
-    }
-  }
-}
diff --git a/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/technicaldebt/NewDebtDecoratorTest.java b/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/technicaldebt/NewDebtDecoratorTest.java
deleted file mode 100644
index a9391f96da2..00000000000
--- a/plugins/sonar-core-plugin/src/test/java/org/sonar/plugins/core/technicaldebt/NewDebtDecoratorTest.java
+++ /dev/null
@@ -1,374 +0,0 @@
-/*
- * SonarQube, open source software quality management tool.
- * Copyright (C) 2008-2014 SonarSource
- * mailto:contact AT sonarsource DOT com
- *
- * SonarQube is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * SonarQube is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-
-package org.sonar.plugins.core.technicaldebt;
-
-import org.apache.commons.lang.ObjectUtils;
-import org.apache.commons.lang.time.DateUtils;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.ArgumentMatcher;
-import org.mockito.Mock;
-import org.mockito.runners.MockitoJUnitRunner;
-import org.sonar.api.CoreProperties;
-import org.sonar.api.batch.DecoratorContext;
-import org.sonar.api.component.ResourcePerspectives;
-import org.sonar.api.config.Settings;
-import org.sonar.api.issue.Issuable;
-import org.sonar.api.issue.Issue;
-import org.sonar.api.issue.internal.DefaultIssue;
-import org.sonar.api.issue.internal.FieldDiffs;
-import org.sonar.api.measures.CoreMetrics;
-import org.sonar.api.measures.Measure;
-import org.sonar.api.measures.Metric;
-import org.sonar.api.resources.Resource;
-import org.sonar.api.test.IsMeasure;
-import org.sonar.api.utils.Duration;
-import org.sonar.batch.components.Period;
-import org.sonar.batch.components.TimeMachineConfiguration;
-import org.sonar.batch.debt.IssueChangelogDebtCalculator;
-
-import java.util.Date;
-
-import static com.google.common.collect.Lists.newArrayList;
-import static org.fest.assertions.Assertions.assertThat;
-import static org.mockito.Matchers.argThat;
-import static org.mockito.Mockito.*;
-
-@RunWith(MockitoJUnitRunner.class)
-public class NewDebtDecoratorTest {
-
-  NewDebtDecorator decorator;
-
-  @Mock
-  TimeMachineConfiguration timeMachineConfiguration;
-
-  @Mock
-  Resource resource;
-
-  @Mock
-  Issuable issuable;
-
-  @Mock
-  DecoratorContext context;
-
-  Date rightNow;
-  Date elevenDaysAgo;
-  Date tenDaysAgo;
-  Date nineDaysAgo;
-  Date fiveDaysAgo;
-  Date fourDaysAgo;
-
-  static final int HOURS_IN_DAY = 8;
-
-  static final Long ONE_DAY_IN_MINUTES = 1L * HOURS_IN_DAY * 60;
-  static final Long TWO_DAYS_IN_MINUTES = 2L * HOURS_IN_DAY * 60;
-  static final Long FIVE_DAYS_IN_MINUTES = 5L * HOURS_IN_DAY * 60;
-
-  @Before
-  public void setup() {
-    Settings settings = new Settings();
-    settings.setProperty(CoreProperties.HOURS_IN_DAY, HOURS_IN_DAY);
-
-    ResourcePerspectives perspectives = mock(ResourcePerspectives.class);
-    when(perspectives.as(Issuable.class, resource)).thenReturn(issuable);
-
-    rightNow = new Date();
-    elevenDaysAgo = DateUtils.addDays(rightNow, -11);
-    tenDaysAgo = DateUtils.addDays(rightNow, -10);
-    nineDaysAgo = DateUtils.addDays(rightNow, -9);
-    fiveDaysAgo = DateUtils.addDays(rightNow, -5);
-    fourDaysAgo = DateUtils.addDays(rightNow, -4);
-
-    when(timeMachineConfiguration.periods()).thenReturn(newArrayList(new Period(1, fiveDaysAgo), new Period(2, tenDaysAgo)));
-
-    decorator = new NewDebtDecorator(perspectives, timeMachineConfiguration, new IssueChangelogDebtCalculator());
-  }
-
-  @Test
-  public void generates_metrics() throws Exception {
-    assertThat(decorator.generatesMetrics()).hasSize(1);
-  }
-
-  @Test
-  public void execute_on_project() throws Exception {
-    assertThat(decorator.shouldExecuteOnProject(null)).isTrue();
-  }
-
-  @Test
-  public void save_on_one_issue_with_one_new_changelog() {
-    Issue issue = new DefaultIssue().setKey("A").setCreationDate(tenDaysAgo).setDebt(Duration.create(TWO_DAYS_IN_MINUTES)).setChanges(
-      newArrayList(
-        // changelog created at is null because it has just been created on the current analysis
-        new FieldDiffs().setDiff("technicalDebt", ONE_DAY_IN_MINUTES, TWO_DAYS_IN_MINUTES).setCreationDate(null)
-      )
-    );
-    when(issuable.issues()).thenReturn(newArrayList(issue));
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 1.0 * ONE_DAY_IN_MINUTES, 1.0 * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void save_on_one_issue_with_changelog() {
-    Issue issue = new DefaultIssue().setKey("A").setCreationDate(tenDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES)).setChanges(
-      newArrayList(
-        new FieldDiffs().setDiff("technicalDebt", TWO_DAYS_IN_MINUTES, FIVE_DAYS_IN_MINUTES).setCreationDate(null),
-        new FieldDiffs().setDiff("technicalDebt", ONE_DAY_IN_MINUTES, TWO_DAYS_IN_MINUTES).setCreationDate(fourDaysAgo)
-      )
-    );
-    when(issuable.issues()).thenReturn(newArrayList(issue));
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 4.0 * ONE_DAY_IN_MINUTES, 4.0 * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void save_on_one_issue_with_changelog_only_in_the_past() {
-    Issue issue = new DefaultIssue().setKey("A").setCreationDate(tenDaysAgo).setDebt(Duration.create(ONE_DAY_IN_MINUTES)).setChanges(
-      newArrayList(
-        // Change before all periods
-        new FieldDiffs().setDiff("technicalDebt", null, ONE_DAY_IN_MINUTES).setCreationDate(elevenDaysAgo)
-      )
-    );
-    when(issuable.issues()).thenReturn(newArrayList(issue));
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 0.0, 0.0)));
-  }
-
-  @Test
-  public void save_on_one_issue_with_changelog_having_null_value() {
-    Issue issue = new DefaultIssue().setKey("A").setCreationDate(tenDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES)).setChanges(
-      newArrayList(
-        new FieldDiffs().setDiff("technicalDebt", null, FIVE_DAYS_IN_MINUTES).setCreationDate(null),
-        new FieldDiffs().setDiff("technicalDebt", ONE_DAY_IN_MINUTES, null).setCreationDate(fourDaysAgo),
-        new FieldDiffs().setDiff("technicalDebt", null, ONE_DAY_IN_MINUTES).setCreationDate(nineDaysAgo)
-      )
-    );
-    when(issuable.issues()).thenReturn(newArrayList(issue));
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 4.0 * ONE_DAY_IN_MINUTES, 5.0 * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void save_on_one_issue_with_changelog_and_periods_have_no_dates() {
-    when(timeMachineConfiguration.periods()).thenReturn(newArrayList(new Period(1, null), new Period(2, null)));
-
-    Issue issue = new DefaultIssue().setKey("A").setCreationDate(tenDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES)).setChanges(
-      newArrayList(
-        new FieldDiffs().setDiff("technicalDebt", null, FIVE_DAYS_IN_MINUTES).setCreationDate(null),
-        new FieldDiffs().setDiff("technicalDebt", ONE_DAY_IN_MINUTES, null).setCreationDate(fourDaysAgo),
-        new FieldDiffs().setDiff("technicalDebt", null, ONE_DAY_IN_MINUTES).setCreationDate(nineDaysAgo)
-      )
-    );
-    when(issuable.issues()).thenReturn(newArrayList(issue));
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 5.0 * ONE_DAY_IN_MINUTES, 5.0 * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void save_on_one_issue_with_changelog_having_not_only_technical_debt_changes() {
-    Issue issue = new DefaultIssue().setKey("A").setCreationDate(tenDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES)).setChanges(
-      newArrayList(
-        new FieldDiffs()
-          .setDiff("actionPlan", "1.0", "1.1").setCreationDate(fourDaysAgo)
-          .setDiff("technicalDebt", ONE_DAY_IN_MINUTES, TWO_DAYS_IN_MINUTES).setCreationDate(fourDaysAgo)
-      )
-    );
-    when(issuable.issues()).thenReturn(newArrayList(issue));
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 4.0 * ONE_DAY_IN_MINUTES, 4.0 * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void save_on_issues_with_changelog() {
-    Issue issue1 = new DefaultIssue().setKey("A").setCreationDate(tenDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES)).setChanges(
-      newArrayList(
-        new FieldDiffs().setDiff("technicalDebt", TWO_DAYS_IN_MINUTES, FIVE_DAYS_IN_MINUTES).setCreationDate(rightNow),
-        new FieldDiffs().setDiff("technicalDebt", ONE_DAY_IN_MINUTES, TWO_DAYS_IN_MINUTES).setCreationDate(fourDaysAgo),
-        new FieldDiffs().setDiff("technicalDebt", null, ONE_DAY_IN_MINUTES).setCreationDate(nineDaysAgo)
-      )
-    );
-    Issue issue2 = new DefaultIssue().setKey("B").setCreationDate(tenDaysAgo).setDebt(Duration.create(TWO_DAYS_IN_MINUTES)).setChanges(
-      newArrayList(
-        new FieldDiffs().setDiff("technicalDebt", ONE_DAY_IN_MINUTES, TWO_DAYS_IN_MINUTES).setCreationDate(rightNow),
-        new FieldDiffs().setDiff("technicalDebt", null, ONE_DAY_IN_MINUTES).setCreationDate(nineDaysAgo)
-      )
-    );
-    when(issuable.issues()).thenReturn(newArrayList(issue1, issue2));
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 5.0 * ONE_DAY_IN_MINUTES, 7.0 * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void save_on_one_issue_without_changelog() {
-    when(issuable.issues()).thenReturn(newArrayList(
-      (Issue) new DefaultIssue().setKey("A").setCreationDate(nineDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES)))
-    );
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 0.0, 5.0 * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void save_on_one_issue_without_technical_debt_and_without_changelog() {
-    when(issuable.issues()).thenReturn(newArrayList(
-      (Issue) new DefaultIssue().setKey("A").setCreationDate(nineDaysAgo).setDebt(null))
-    );
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 0.0, 0.0)));
-  }
-
-  @Test
-  public void save_on_one_issue_without_changelog_and_periods_have_no_dates() {
-    when(timeMachineConfiguration.periods()).thenReturn(newArrayList(new Period(1, null), new Period(2, null)));
-
-    when(issuable.issues()).thenReturn(newArrayList(
-      (Issue) new DefaultIssue().setKey("A").setCreationDate(nineDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES)))
-    );
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is null, period2 is null
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 5.0 * ONE_DAY_IN_MINUTES, 5.0 * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void save_on_issues_without_changelog() {
-    when(issuable.issues()).thenReturn(newArrayList(
-      (Issue) new DefaultIssue().setKey("A").setCreationDate(nineDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES)),
-      new DefaultIssue().setKey("B").setCreationDate(fiveDaysAgo).setDebt(Duration.create(TWO_DAYS_IN_MINUTES))
-    ));
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 0.0, 7.0 * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void save_on_issues_with_changelog_and_issues_without_changelog() {
-    // issue1 and issue2 have changelog
-    Issue issue1 = new DefaultIssue().setKey("A").setCreationDate(tenDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES)).setChanges(
-      newArrayList(
-        new FieldDiffs().setDiff("technicalDebt", TWO_DAYS_IN_MINUTES, FIVE_DAYS_IN_MINUTES).setCreationDate(rightNow),
-        new FieldDiffs().setDiff("technicalDebt", ONE_DAY_IN_MINUTES, TWO_DAYS_IN_MINUTES).setCreationDate(fourDaysAgo),
-        new FieldDiffs().setDiff("technicalDebt", null, ONE_DAY_IN_MINUTES).setCreationDate(nineDaysAgo)
-      )
-    );
-    Issue issue2 = new DefaultIssue().setKey("B").setCreationDate(tenDaysAgo).setDebt(Duration.create(TWO_DAYS_IN_MINUTES)).setChanges(
-      newArrayList(
-        new FieldDiffs().setDiff("technicalDebt", ONE_DAY_IN_MINUTES, TWO_DAYS_IN_MINUTES).setCreationDate(rightNow),
-        new FieldDiffs().setDiff("technicalDebt", null, ONE_DAY_IN_MINUTES).setCreationDate(nineDaysAgo)
-      )
-    );
-
-    // issue3 and issue4 have no changelog
-    Issue issue3 = new DefaultIssue().setKey("C").setCreationDate(nineDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES));
-    Issue issue4 = new DefaultIssue().setKey("D").setCreationDate(fiveDaysAgo).setDebt(Duration.create(TWO_DAYS_IN_MINUTES));
-    when(issuable.issues()).thenReturn(newArrayList(issue1, issue2, issue3, issue4));
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 5.0 * ONE_DAY_IN_MINUTES, 14.0 * ONE_DAY_IN_MINUTES)));
-  }
-
-  @Test
-  public void not_save_if_measure_already_computed() {
-    when(context.getMeasure(CoreMetrics.NEW_TECHNICAL_DEBT)).thenReturn(new Measure());
-    when(issuable.issues()).thenReturn(newArrayList(
-      (Issue) new DefaultIssue().setKey("A").setCreationDate(nineDaysAgo).setDebt(Duration.create(FIVE_DAYS_IN_MINUTES)),
-      new DefaultIssue().setKey("B").setCreationDate(fiveDaysAgo).setDebt(Duration.create(TWO_DAYS_IN_MINUTES))
-    ));
-
-    decorator.decorate(resource, context);
-
-    verify(context, never()).saveMeasure(argThat(new IsMeasure(CoreMetrics.NEW_TECHNICAL_DEBT)));
-  }
-
-  /**
-   * SONAR-5059
-   */
-  @Test
-  public void not_return_negative_debt() {
-    Issue issue = new DefaultIssue().setKey("A").setCreationDate(tenDaysAgo).setDebt(Duration.create(ONE_DAY_IN_MINUTES)).setChanges(
-      newArrayList(
-        // changelog created at is null because it has just been created on the current analysis
-        new FieldDiffs().setDiff("technicalDebt", TWO_DAYS_IN_MINUTES, ONE_DAY_IN_MINUTES).setCreationDate(null)
-      )
-    );
-    when(issuable.issues()).thenReturn(newArrayList(issue));
-
-    decorator.decorate(resource, context);
-
-    // remember : period1 is 5daysAgo, period2 is 10daysAgo
-    verify(context).saveMeasure(argThat(new IsVariationMeasure(CoreMetrics.NEW_TECHNICAL_DEBT, 0.0, 0.0)));
-  }
-
-
-  class IsVariationMeasure extends ArgumentMatcher<Measure> {
-    Metric metric = null;
-    Double var1 = null;
-    Double var2 = null;
-
-    public IsVariationMeasure(Metric metric, Double var1, Double var2) {
-      this.metric = metric;
-      this.var1 = var1;
-      this.var2 = var2;
-    }
-
-    public boolean matches(Object o) {
-      if (!(o instanceof Measure)) {
-        return false;
-      }
-      Measure m = (Measure) o;
-      return ObjectUtils.equals(metric, m.getMetric()) &&
-        ObjectUtils.equals(var1, m.getVariation1()) &&
-        ObjectUtils.equals(var2, m.getVariation2());
-    }
-  }
-
-}