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   1 /*
   2  * Sonar, open source software quality management tool.
   3  * Copyright (C) 2008-2012 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.sensors;
  21
  22 import org.junit.Before;
  23 import org.junit.Test;
  24 import org.sonar.api.batch.DecoratorContext;
  25 import org.sonar.api.measures.CoreMetrics;
  26 import org.sonar.api.measures.Measure;
  27 import org.sonar.api.measures.Metric;
  28 import org.sonar.api.resources.Project;
  29 import org.sonar.api.resources.Scopes;
  30
  31 import java.util.Collection;
  32
  33 import static org.fest.assertions.Assertions.assertThat;
  34 import static org.mockito.Matchers.anyDouble;
  35 import static org.mockito.Matchers.eq;
  36 import static org.mockito.Mockito.mock;
  37 import static org.mockito.Mockito.never;
  38 import static org.mockito.Mockito.verify;
  39 import static org.mockito.Mockito.when;
  40
  41 public class OverallCoverageDecoratorTest {
  42   private final OverallCoverageDecorator decorator = new OverallCoverageDecorator();
  43   private final Project project = mock(Project.class);
  44
  45   @Before
  46   public void before() {
  47     when(project.getScope()).thenReturn(Scopes.PROJECT);
  48   }
  49
  50   @Test
  51   public void should_use_metrics() {
  52     Collection<Metric> metrics = decorator.usedMetrics();
  53
  54     assertThat(metrics).containsOnly(CoreMetrics.OVERALL_LINES_TO_COVER, CoreMetrics.OVERALL_UNCOVERED_LINES, CoreMetrics.NEW_OVERALL_LINES_TO_COVER,
  55         CoreMetrics.NEW_OVERALL_UNCOVERED_LINES, CoreMetrics.OVERALL_CONDITIONS_TO_COVER, CoreMetrics.OVERALL_UNCOVERED_CONDITIONS,
  56         CoreMetrics.NEW_OVERALL_CONDITIONS_TO_COVER, CoreMetrics.NEW_OVERALL_UNCOVERED_CONDITIONS);
  57   }
  58
  59   @Test
  60   public void noCoverageWhenStaticAnalysis() {
  61     when(project.getAnalysisType()).thenReturn(Project.AnalysisType.STATIC);
  62     assertThat(new CoverageDecorator().shouldExecuteOnProject(project)).isFalse();
  63
  64     when(project.getAnalysisType()).thenReturn(Project.AnalysisType.REUSE_REPORTS);
  65     assertThat(new CoverageDecorator().shouldExecuteOnProject(project)).isTrue();
  66
  67     when(project.getAnalysisType()).thenReturn(Project.AnalysisType.DYNAMIC);
  68     assertThat(new CoverageDecorator().shouldExecuteOnProject(project)).isTrue();
  69   }
  70
  71   @Test
  72   public void coverage() {
  73     DecoratorContext context = mockContext(50, 40, 10, 8);
  74
  75     decorator.decorate(project, context);
  76
  77     // (50-40 covered lines + 10-8 covered conditions) / (50 lines + 10 conditions)
  78     verify(context).saveMeasure(CoreMetrics.OVERALL_COVERAGE, 20.0);
  79   }
  80
  81   @Test
  82   public void coverageCanBe0() {
  83     DecoratorContext context = mockContext(50, 50, 5, 5);
  84
  85     decorator.decorate(project, context);
  86
  87     verify(context).saveMeasure(CoreMetrics.OVERALL_COVERAGE, 0.0);
  88   }
  89
  90   @Test
  91   public void coverageCanBe100() {
  92     DecoratorContext context = mockContext(50, 0, 5, 0);
  93
  94     decorator.decorate(project, context);
  95
  96     verify(context).saveMeasure(CoreMetrics.OVERALL_COVERAGE, 100.0);
  97   }
  98
  99   @Test
 100   public void noCoverageIfNoElements() {
 101     DecoratorContext context = mock(DecoratorContext.class);
 102
 103     decorator.decorate(project, context);
 104
 105     verify(context, never()).saveMeasure(eq(CoreMetrics.OVERALL_COVERAGE), anyDouble());
 106   }
 107
 108   private static DecoratorContext mockContext(int lines, int uncoveredLines, int conditions, int uncoveredConditions) {
 109     DecoratorContext context = mock(DecoratorContext.class);
 110     when(context.getMeasure(CoreMetrics.OVERALL_LINES_TO_COVER)).thenReturn(new Measure(CoreMetrics.OVERALL_LINES_TO_COVER, (double) lines));
 111     when(context.getMeasure(CoreMetrics.OVERALL_UNCOVERED_LINES)).thenReturn(new Measure(CoreMetrics.OVERALL_UNCOVERED_LINES, (double) uncoveredLines));
 112     when(context.getMeasure(CoreMetrics.OVERALL_CONDITIONS_TO_COVER)).thenReturn(new Measure(CoreMetrics.OVERALL_CONDITIONS_TO_COVER, (double) conditions));
 113     when(context.getMeasure(CoreMetrics.OVERALL_UNCOVERED_CONDITIONS)).thenReturn(new Measure(CoreMetrics.OVERALL_UNCOVERED_CONDITIONS, (double) uncoveredConditions));
 114     return context;
 115   }
 116 }