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   1 /*
   2  * Sonar, open source software quality management tool.
   3  * Copyright (C) 2008-2011 SonarSource
   4  * mailto:contact AT sonarsource DOT com
   5  *
   6  * Sonar 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  * Sonar 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
  17  * License along with Sonar; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
  19  */
  20 package org.sonar.plugins.core.timemachine;
  21
  22 import org.junit.Test;
  23 import org.mockito.Matchers;
  24 import org.sonar.api.batch.DecoratorContext;
  25 import org.sonar.api.database.model.MeasureModel;
  26 import org.sonar.api.database.model.Snapshot;
  27 import org.sonar.api.measures.Measure;
  28 import org.sonar.api.measures.MeasuresFilter;
  29 import org.sonar.api.measures.Metric;
  30 import org.sonar.api.measures.MetricFinder;
  31 import org.sonar.api.resources.*;
  32 import org.sonar.batch.components.PastMeasuresLoader;
  33 import org.sonar.batch.components.PastSnapshot;
  34 import org.sonar.jpa.test.AbstractDbUnitTestCase;
  35
  36 import java.util.Arrays;
  37 import java.util.Date;
  38
  39 import static org.hamcrest.CoreMatchers.is;
  40 import static org.hamcrest.MatcherAssert.assertThat;
  41 import static org.hamcrest.core.IsNull.nullValue;
  42 import static org.mockito.Mockito.*;
  43
  44 public class VariationDecoratorTest extends AbstractDbUnitTestCase {
  45
  46   public static final Metric NCLOC = new Metric("ncloc").setId(12);
  47   public static final Metric COVERAGE = new Metric("coverage").setId(16);
  48
  49   @Test
  50   public void shouldNotCalculateVariationsOnFiles() {
  51     assertThat(VariationDecorator.shouldCalculateVariations(new Project("foo")), is(true));
  52     assertThat(VariationDecorator.shouldCalculateVariations(new JavaPackage("org.foo")), is(true));
  53     assertThat(VariationDecorator.shouldCalculateVariations(new Directory("org/foo")), is(true));
  54
  55     assertThat(VariationDecorator.shouldCalculateVariations(new JavaFile("org.foo.Bar")), is(false));
  56     assertThat(VariationDecorator.shouldCalculateVariations(new JavaFile("org.foo.Bar", true)), is(false));
  57     assertThat(VariationDecorator.shouldCalculateVariations(new File("org/foo/Bar.php")), is(false));
  58   }
  59
  60   @Test
  61   public void shouldCompareAndSaveVariation() {
  62     Resource javaPackage = new JavaPackage("org.foo");
  63
  64     PastMeasuresLoader pastMeasuresLoader = mock(PastMeasuresLoader.class);
  65     PastSnapshot pastSnapshot1 = new PastSnapshot("days", new Date()).setIndex(1);
  66     PastSnapshot pastSnapshot3 = new PastSnapshot("days", new Date()).setIndex(3);
  67
  68     // first past analysis
  69     when(pastMeasuresLoader.getPastMeasures(javaPackage, pastSnapshot1)).thenReturn(Arrays.asList(
  70         newMeasureModel(NCLOC, 180.0),
  71         newMeasureModel(COVERAGE, 75.0)));
  72
  73     // second past analysis
  74     when(pastMeasuresLoader.getPastMeasures(javaPackage, pastSnapshot3)).thenReturn(Arrays.asList(
  75         newMeasureModel(NCLOC, 240.0)));
  76
  77     // current analysis
  78     DecoratorContext context = mock(DecoratorContext.class);
  79     Measure currentNcloc = newMeasure(NCLOC, 200.0);
  80     Measure currentCoverage = newMeasure(COVERAGE, 80.0);
  81     when(context.getMeasures(Matchers.<MeasuresFilter>anyObject())).thenReturn(Arrays.asList(currentNcloc, currentCoverage));
  82
  83     VariationDecorator decorator = new VariationDecorator(pastMeasuresLoader, mock(MetricFinder.class), Arrays.asList(pastSnapshot1, pastSnapshot3));
  84     decorator.decorate(javaPackage, context);
  85
  86     // context updated for each variation : 2 times for ncloc and 1 time for coverage
  87     verify(context, times(3)).saveMeasure(Matchers.<Measure>anyObject());
  88
  89     assertThat(currentNcloc.getVariation1(), is(20.0));
  90     assertThat(currentNcloc.getVariation2(), nullValue());
  91     assertThat(currentNcloc.getVariation3(), is(-40.0));
  92
  93     assertThat(currentCoverage.getVariation1(), is(5.0));
  94     assertThat(currentCoverage.getVariation2(), nullValue());
  95     assertThat(currentCoverage.getVariation3(), nullValue());
  96   }
  97
  98   private Measure newMeasure(Metric metric, double value) {
  99     return new Measure(metric, value);
 100   }
 101
 102   private MeasureModel newMeasureModel(Metric metric, double value) {
 103     return new MeasureModel(metric.getId(), value);
 104   }
 105 }